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remove json lib

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irisz64
2025-06-26 23:33:03 +02:00
parent df55ee6d9b
commit 4e7afcd49e
1175 changed files with 125 additions and 183754 deletions
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external/json/.cirrus.yml vendored
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arm_container:
image: gcc:latest
check_task:
check_script:
- wget https://github.com/Kitware/CMake/releases/download/v3.20.2/cmake-3.20.2.tar.gz
- tar xfz cmake-3.20.2.tar.gz
- cd cmake-3.20.2
- ./configure
- make cmake ctest -j4
- cd ..
- mkdir build
- cd build
- ../cmake-3.20.2/bin/cmake .. -DJSON_FastTests=ON
- make -j4
- cd tests
- ../../cmake-3.20.2/bin/ctest -j4

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external/json/.clang-tidy vendored
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# TODO: The first three checks are only removed to get the CI going. They have to be addressed at some point.
Checks: '*,
-portability-template-virtual-member-function,
-bugprone-use-after-move,
-hicpp-invalid-access-moved,
-altera-id-dependent-backward-branch,
-altera-struct-pack-align,
-altera-unroll-loops,
-android-cloexec-fopen,
-boost-use-ranges,
-bugprone-easily-swappable-parameters,
-cert-err58-cpp,
-clang-analyzer-webkit.NoUncountedMemberChecker,
-concurrency-mt-unsafe,
-cppcoreguidelines-avoid-const-or-ref-data-members,
-cppcoreguidelines-avoid-do-while,
-cppcoreguidelines-avoid-goto,
-cppcoreguidelines-avoid-magic-numbers,
-cppcoreguidelines-avoid-non-const-global-variables,
-cppcoreguidelines-macro-usage,
-cppcoreguidelines-pro-bounds-array-to-pointer-decay,
-cppcoreguidelines-pro-bounds-constant-array-index,
-cppcoreguidelines-pro-bounds-pointer-arithmetic,
-cppcoreguidelines-pro-type-reinterpret-cast,
-cppcoreguidelines-pro-type-union-access,
-cppcoreguidelines-rvalue-reference-param-not-moved,
-cppcoreguidelines-virtual-class-destructor,
-fuchsia-default-arguments-calls,
-fuchsia-default-arguments-declarations,
-fuchsia-overloaded-operator,
-google-explicit-constructor,
-google-readability-function-size,
-google-runtime-int,
-google-runtime-references,
-hicpp-avoid-goto,
-hicpp-explicit-conversions,
-hicpp-function-size,
-hicpp-no-array-decay,
-hicpp-no-assembler,
-hicpp-signed-bitwise,
-hicpp-uppercase-literal-suffix,
-llvm-header-guard,
-llvm-include-order,
-llvmlibc-*,
-misc-use-anonymous-namespace,
-misc-confusable-identifiers,
-misc-include-cleaner,
-misc-no-recursion,
-misc-non-private-member-variables-in-classes,
-modernize-concat-nested-namespaces,
-modernize-type-traits,
-modernize-use-constraints,
-modernize-use-designated-initializers,
-modernize-use-nodiscard,
-modernize-use-ranges,
-modernize-use-std-numbers,
-modernize-use-trailing-return-type,
-performance-enum-size,
-readability-function-cognitive-complexity,
-readability-function-size,
-readability-identifier-length,
-readability-magic-numbers,
-readability-redundant-access-specifiers,
-readability-simplify-boolean-expr,
-readability-uppercase-literal-suffix'
CheckOptions:
- key: hicpp-special-member-functions.AllowSoleDefaultDtor
value: 1
WarningsAsErrors: '*'
#HeaderFilterRegex: '.*nlohmann.*'
HeaderFilterRegex: '.*hpp$'

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external/json/.github/CODEOWNERS vendored
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# JSON for Modern C++ was originally written by Niels Lohmann.
# Since 2013, over 250 contributors have helped to improve the library.
# This CODEOWNERS file is only to make sure that @nlohmann is requested
# for a code review in case of a pull request.
* @nlohmann

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external/json/.github/CODE_OF_CONDUCT.md vendored
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# Contributor Covenant Code of Conduct
## Our Pledge
We as members, contributors, and leaders pledge to make participation in our
community a harassment-free experience for everyone, regardless of age, body
size, visible or invisible disability, ethnicity, sex characteristics, gender
identity and expression, level of experience, education, socio-economic status,
nationality, personal appearance, race, caste, color, religion, or sexual
identity and orientation.
We pledge to act and interact in ways that contribute to an open, welcoming,
diverse, inclusive, and healthy community.
## Our Standards
Examples of behavior that contributes to a positive environment for our
community include:
* Demonstrating empathy and kindness toward other people
* Being respectful of differing opinions, viewpoints, and experiences
* Giving and gracefully accepting constructive feedback
* Accepting responsibility and apologizing to those affected by our mistakes,
and learning from the experience
* Focusing on what is best not just for us as individuals, but for the overall
community
Examples of unacceptable behavior include:
* The use of sexualized language or imagery, and sexual attention or advances of
any kind
* Trolling, insulting or derogatory comments, and personal or political attacks
* Public or private harassment
* Publishing others' private information, such as a physical or email address,
without their explicit permission
* Other conduct which could reasonably be considered inappropriate in a
professional setting
## Enforcement Responsibilities
Community leaders are responsible for clarifying and enforcing our standards of
acceptable behavior and will take appropriate and fair corrective action in
response to any behavior that they deem inappropriate, threatening, offensive,
or harmful.
Community leaders have the right and responsibility to remove, edit, or reject
comments, commits, code, wiki edits, issues, and other contributions that are
not aligned to this Code of Conduct, and will communicate reasons for moderation
decisions when appropriate.
## Scope
This Code of Conduct applies within all community spaces, and also applies when
an individual is officially representing the community in public spaces.
Examples of representing our community include using an official email address,
posting via an official social media account, or acting as an appointed
representative at an online or offline event.
## Enforcement
Instances of abusive, harassing, or otherwise unacceptable behavior may be
reported to the community leaders responsible for enforcement at
[mail@nlohmann.me](mailto:mail@nlohmann.me).
All complaints will be reviewed and investigated promptly and fairly.
All community leaders are obligated to respect the privacy and security of the
reporter of any incident.
## Enforcement Guidelines
Community leaders will follow these Community Impact Guidelines in determining
the consequences for any action they deem in violation of this Code of Conduct:
### 1. Correction
**Community Impact**: Use of inappropriate language or other behavior deemed
unprofessional or unwelcome in the community.
**Consequence**: A private, written warning from community leaders, providing
clarity around the nature of the violation and an explanation of why the
behavior was inappropriate. A public apology may be requested.
### 2. Warning
**Community Impact**: A violation through a single incident or series of
actions.
**Consequence**: A warning with consequences for continued behavior. No
interaction with the people involved, including unsolicited interaction with
those enforcing the Code of Conduct, for a specified period of time. This
includes avoiding interactions in community spaces as well as external channels
like social media. Violating these terms may lead to a temporary or permanent
ban.
### 3. Temporary Ban
**Community Impact**: A serious violation of community standards, including
sustained inappropriate behavior.
**Consequence**: A temporary ban from any sort of interaction or public
communication with the community for a specified period of time. No public or
private interaction with the people involved, including unsolicited interaction
with those enforcing the Code of Conduct, is allowed during this period.
Violating these terms may lead to a permanent ban.
### 4. Permanent Ban
**Community Impact**: Demonstrating a pattern of violation of community
standards, including sustained inappropriate behavior, harassment of an
individual, or aggression toward or disparagement of classes of individuals.
**Consequence**: A permanent ban from any sort of public interaction within the
community.
## Attribution
This Code of Conduct is adapted from the [Contributor Covenant][homepage],
version 2.1, available at
[https://www.contributor-covenant.org/version/2/1/code_of_conduct.html][v2.1].
Community Impact Guidelines were inspired by
[Mozilla's code of conduct enforcement ladder][Mozilla CoC].
For answers to common questions about this code of conduct, see the FAQ at
[https://www.contributor-covenant.org/faq][FAQ]. Translations are available at
[https://www.contributor-covenant.org/translations][translations].
[homepage]: https://www.contributor-covenant.org
[v2.1]: https://www.contributor-covenant.org/version/2/1/code_of_conduct.html
[Mozilla CoC]: https://github.com/mozilla/diversity
[FAQ]: https://www.contributor-covenant.org/faq
[translations]: https://www.contributor-covenant.org/translations

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# Contribution Guidelines
Thank you for your interest in contributing to this project! What began as an exercise to explore the exciting features
of C++11 has evolved into a [widely-used](https://json.nlohmann.me/home/customers/) JSON library. I truly appreciate all
the contributions from the community, whether it's proposing features, identifying bugs, or fixing mistakes! To ensure
that our collaboration is efficient and effective, please follow these guidelines.
Feel free to discuss or suggest improvements to this document
[by submitting a pull request](https://github.com/nlohmann/json/edit/develop/.github/CONTRIBUTING.md).
## Ways to Contribute
There are multiple ways to contribute.
### Reporting an issue
Please [create an issue](https://github.com/nlohmann/json/issues/new/choose), assuming one does not already exist, and
describe your concern. Note you need a [GitHub account](https://github.com/signup/free) for this.
Clearly describe the issue:
- If it is a bug, please describe how to **reproduce** it. If possible, attach a _complete example_ which demonstrates
the error. Please also state what you **expected** to happen instead of the error.
- If you propose a change or addition, try to give an **example** how the improved code could look like or how to use
it.
- If you found a compilation error, please tell us which **compiler** (version and operating system) you used and paste
the (relevant part of) the error messages to the ticket.
Please stick to the provided issue template
[bug report](https://github.com/nlohmann/json/blob/develop/.github/ISSUE_TEMPLATE/bug.yaml) if possible.
### Reporting a security vulnerability
You can report a security vulnerability according to our
[security policy](https://github.com/nlohmann/json/security/policy).
### Discussing a new feature
For questions, feature or support requests, please
[open a discussion](https://github.com/nlohmann/json/discussions/new). If you find a proposed answer satisfactory,
please use the "Mark as answer" button to make it easier for readers to see what helped and for the community to filter
for open questions.
### Proposing a fix or an improvement
Join an ongoing discussion or comment on an existing issue before starting to code. This can help to avoid duplicate
efforts or other frustration during the later review.
Create a [pull request](https://github.com/nlohmann/json/pulls?q=sort%3Aupdated-desc+is%3Apr+is%3Aopen) against the
`develop` branch and follow the pull request template. In particular,
- describe the changes in detail, both the what and why,
- reference existing issues where applicable,
- add tests to maintain 100% test coverage,
- update the documentation as needed, and
- ensure the source code is amalgamated.
We describe all points in detail below.
All contributions (including pull requests) must agree to the
[Developer Certificate of Origin (DCO) version 1.1](https://developercertificate.org). This is exactly the same one
created and used by the Linux kernel developers and posted on http://developercertificate.org/. This is a developer's
certification that he or she has the right to submit the patch for inclusion into the project.
## How to...
### Describe your changes
This library is primarily maintained as a spare-time project. As such, I can not make any guarantee how quickly changes
are merged and released. Therefore, it is very important to make the review as smooth as possible by explaining not only
_what_ you changed, but _why_. This rationale can be very valuable down the road when improvements or bugs are discussed
years later.
### Reference existing issues
[Link a pull request to an issue](https://docs.github.com/en/issues/tracking-your-work-with-issues/using-issues/linking-a-pull-request-to-an-issue)
to clarify that a fix is forthcoming and which issue can be closed after merging. Only few cases (e.g., fixing typos)
don’t require prior discussions.
### Write tests
The library has an extensive test suite that currently covers [100 %](https://coveralls.io/github/nlohmann/json) of the
library's code. These test are crucial to maintain API stability and give future contributors confidence that they do
not accidentally break things. As Titus Winters aptly put it:
> If you liked it, you should have put a test on it.
#### Run the tests
First, ensure the test suite runs before making any changes:
```sh
$ cmake -S. -B build
$ cmake --build build -j 10
$ ctest --test-dir build -j 10
```
The test suite should report:
```
100% tests passed, 0 tests failed out of 98
```
#### Add tests
The tests are located in [`tests/src/unit-*.cpp`](https://github.com/nlohmann/json/tree/develop/tests/src) and contain
[doctest assertions](https://github.com/doctest/doctest/blob/master/doc/markdown/assertions.md) like `CHECK`. The tests
are structured along the features of the library or the nature of the tests. Usually, it should be clear from the
context which existing file needs to be extended, and only very few cases require creating new test files.
When fixing a bug, edit `unit-regression2.cpp` and add a section referencing the fixed issue.
#### Exceptions
When you test exceptions, please use `CHECK_THROWS_WITH_AS` which also takes the `what()` argument of the thrown
exception into account.
#### Coverage
If test coverage decreases, an automatic warning comment will be posted on the pull request. You can access a code
coverage report as artifact to the “Ubuntu” workflow.
### Update the documentation
The [main documentation](https://json.nlohmann.me) of the library is generated from the files
[`docs/mkdocs/docs`](https://github.com/nlohmann/json/blob/develop/docs/mkdocs/docs). This folder contains dedicated
pages for [certain features](https://github.com/nlohmann/json/tree/develop/docs/mkdocs/docs/features), a list of
[all exceptions](https://github.com/nlohmann/json/blob/develop/docs/mkdocs/docs/home/exceptions.md), and an
[extensive API documentation](https://github.com/nlohmann/json/tree/develop/docs/mkdocs/docs/api) with details on every
public API function.
Build the documentation locally using:
```shell
make install_venv -C docs/mkdocs
make serve -C docs/mkdocs
```
The documentation will then available at <http://127.0.0.1:8000/>. See the documentation of
[mkdocs](https://www.mkdocs.org) and [Material for MkDocs](https://squidfunk.github.io/mkdocs-material/) for more
information.
### Amalgamate the source code
The single-header files
[`single_include/nlohmann/json.hpp`](https://github.com/nlohmann/json/blob/develop/single_include/nlohmann/json.hpp) and
[`single_include/nlohmann/json_fwd.hpp`](https://github.com/nlohmann/json/blob/develop/single_include/nlohmann/json_fwd.hpp)
are **generated** from the source files in the
[`include/nlohmann` directory](https://github.com/nlohmann/json/tree/develop/include/nlohmann). **Do not** edit the
files directly; instead, modify the include/nlohmann sources and regenerate the files by executing:
```shell
make amalgamate
```
## Recommended documentation
- The library’s [README file](https://github.com/nlohmann/json/blob/master/README.md) is an excellent starting point to
understand its functionality.
- The [documentation page](https://json.nlohmann.me) is the reference documentation of the library.
- [RFC 8259](https://datatracker.ietf.org/doc/html/rfc8259) is the reference for the JavaScript Object Notation (JSON)
Data Interchange Format.
## Please don't...
Certain contributions are not helpful.
### Break the public API
We take pride in the library being used by
[numerous customers across various industries](https://json.nlohmann.me/home/customers/). They all rely on the
guarantees provided by [semantic versioning](https://semver.org). Please do not change the library such that the public
API of the 3.x.y version is broken. This includes:
- Changing function signatures (altering parameter types, return types, number of parameters) or changing the const-ness
of member functions.
- Removing functions.
- Renaming functions or classes.
- Changing exception handling.
- Changing exception ids.
- Changing access specifiers.
- Changing default arguments.
Although these guidelines may seem restrictive, they are essential for maintaining the library’s utility.
Breaking changes may be introduced when they are guarded with a feature macro such as
[`JSON_USE_IMPLICIT_CONVERSIONS`](https://json.nlohmann.me/api/macros/json_use_implicit_conversions/) which allows to
selectively change the behavior of the library. In next steps, the current behavior can then be deprecated. Using
feature macros then allows users to test their code against the library in the next major release.
### Break C++11 language conformance
This library is designed to work with C++11 and later. This means that any
[supported C++11 compiler](https://github.com/nlohmann/json/blob/master/README.md#supported-compilers) should compile
the library without problems. Some compilers like GCC 4.7 (and earlier), Clang 3.3 (and earlier), or Microsoft Visual
Studio 13.0 and earlier are known not to work due to missing or incomplete C++11 support.
Please do not add features that do not work with the mentioned supported compilers. Please guard features from C++14 and
later against the respective [`JSON_HAS_CPP_14`](https://json.nlohmann.me/api/macros/json_has_cpp_11/) macros.
### Break JSON conformance
Please refrain from proposing changes that would **break [JSON](https://datatracker.ietf.org/doc/html/rfc8259)
conformance**. If you propose a conformant extension of JSON to be supported by the library, please motivate this
extension.
## Wanted
The following areas really need contribution and are always welcomed:
- Extending the **continuous integration** toward more exotic compilers such as Android NDK, Intel's Compiler, or the
bleeding-edge versions Clang.
- Improving the efficiency of the **JSON parser**. The current parser is implemented as a naive recursive descent parser
with hand coded string handling. More sophisticated approaches like LALR parsers would be really appreciated. That
said, parser generators like Bison or ANTLR do not play nice with single-header files -- I really would like to keep
the parser inside the `json.hpp` header, and I am not aware of approaches similar to [`re2c`](http://re2c.org) for
parsing.
- Extending and updating existing **benchmarks** to include (the most recent version of) this library. Though efficiency
is not everything, speed and memory consumption are very important characteristics for C++ developers, so having
proper comparisons would be interesting.
We look forward to your contributions and collaboration to enhance the library!

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github: nlohmann
custom: https://paypal.me/nlohmann

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name: Bug Report
description: Create a bug report
labels:
- 'kind: bug'
body:
- type: markdown
attributes:
value: >
Thanks for taking the time to fill out this bug report!
Make sure you give it a short and specific **title** so that the report
is searchable and uniquely identifiable.
Note that this form is for bug reports only. Please
[open a discussion](https://github.com/nlohmann/json/discussions/new)
for questions, feature requests, or support requests.
- type: textarea
id: summary
attributes:
label: Description
description: >
Please provide an abstract description of the issue to the developers,
and why you consider it to be a bug. Please include any specific links
to the documentation, JSON specification, or code.
validations:
required: true
- type: textarea
id: reproduce
attributes:
label: Reproduction steps
description: >
How do you trigger the bug? Please walk us through step by step. Be as
specific as possible.
validations:
required: true
- type: textarea
id: results
attributes:
label: Expected vs. actual results
description: >
Please describe what you expected to happen after the steps above and
what actually happened.
validations:
required: true
- type: textarea
id: code
attributes:
label: Minimal code example
description: >
If possible, provide a small and self-contained example that triggers
the bug. Please understand that we cannot analyze and debug large code
bases. Please do not paste screenshots here.
render: Shell
- type: textarea
id: output
attributes:
label: Error messages
description: >
Please provide any kind of error output (compilation errors, exception
messages, stack traces, etc.) which can help to diagnose the error.
render: Shell
- type: input
id: compiler
attributes:
label: Compiler and operating system
description: >
On which operating systems and compilers have you observed the issue?
Include as many relevant details about the environment you experienced
the bug in. Make sure you use a
[supported compiler](https://github.com/nlohmann/json#supported-compilers).
validations:
required: true
- type: input
id: version
attributes:
label: Library version
description: >
Which version of the library did you use? If it is a released version,
please enter the version number (e.g., 3.12.0). Otherwise, please enter
the commit hash. If you got the library from another source as the
GitHub repository (e.g., via a package manager), please also state
this.
validations:
required: true
- type: checkboxes
id: validation
attributes:
label: Validation
description: >
Please check these additional steps:
options:
- label: The bug also occurs if the latest version from the [`develop`](https://github.com/nlohmann/json/tree/develop) branch is used.
- label: I can successfully [compile and run the unit tests](https://github.com/nlohmann/json#execute-unit-tests).

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blank_issues_enabled: false
contact_links:
- name: Ask a question
url: https://github.com/nlohmann/json/discussions
about: Ask questions and discuss with other community members

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[Describe your pull request here. Please read the text below the line, and make sure you follow the checklist.]
- [ ] The changes are described in detail, both the what and why.
- [ ] If applicable, an [existing issue](https://github.com/nlohmann/json/issues) is referenced.
- [ ] The [Code coverage](https://coveralls.io/github/nlohmann/json) remained at 100%. A test case for every new line of code.
- [ ] If applicable, the [documentation](https://json.nlohmann.me) is updated.
- [ ] The source code is amalgamated by running `make amalgamate`.
Read the [Contribution Guidelines](https://github.com/nlohmann/json/blob/develop/.github/CONTRIBUTING.md) for detailed information.

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# Security Policy
## Reporting a Vulnerability
We value the security of our users and appreciate your efforts to responsibly disclose vulnerabilities. If you have
identified a security vulnerability in this repository, please use the GitHub Security Advisory
["Report a Vulnerability"](https://github.com/nlohmann/json/security/advisories/new) tab.
Until it is published, this draft security advisory will only be visible to the maintainers of this project. Other
users and teams may be added once the advisory is created.
We will send a response indicating the next steps in handling your report. After the initial reply to your report, we
will keep you informed of the progress towards a fix and full announcement and may ask for additional information or
guidance.
For vulnerabilities in third-party dependencies or modules, please report them directly to the respective maintainers.
## Additional Resources
- Explore security-related topics and contribute to tools and projects through
[GitHub Security Lab](https://securitylab.github.com/).
- Learn more about responsible disclosure and reporting vulnerabilities in GitHub at
[About coordinated disclosure of security vulnerabilities](https://docs.github.com/en/code-security/repository-security-advisories/about-coordinated-disclosure-of-security-vulnerabilities).
We sincerely thank you for contributing to the security and integrity of this project!

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# Configuration for sentiment-bot - https://github.com/behaviorbot/sentiment-bot
# *Required* toxicity threshold between 0 and .99 with the higher numbers being the most toxic
# Anything higher than this threshold will be marked as toxic and commented on
sentimentBotToxicityThreshold: .7
# *Required* Comment to reply with
sentimentBotReplyComment: >
Please be sure to review the [code of conduct](https://github.com/nlohmann/json/blob/develop/.github/CODE_OF_CONDUCT.md) and be respectful of other users. cc/ @nlohmann
# Configuration for request-info - https://github.com/behaviorbot/request-info
# *Required* Comment to reply with
requestInfoReplyComment: >
We would appreciate it if you could provide us with more info about this issue or pull request! Please check the [issue template](https://github.com/nlohmann/json/blob/develop/.github/ISSUE_TEMPLATE.md) and the [pull request template](https://github.com/nlohmann/json/blob/develop/.github/PULL_REQUEST_TEMPLATE.md).
# *OPTIONAL* Label to be added to Issues and Pull Requests with insufficient information given
requestInfoLabelToAdd: "state: needs more info"
checkIssueTemplate: true
checkPullRequestTemplate: true

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version: 2
updates:
- package-ecosystem: github-actions
directory: /
schedule:
interval: daily
- package-ecosystem: pip
directory: /docs/mkdocs
schedule:
interval: daily
- package-ecosystem: pip
directory: /tools/astyle
schedule:
interval: daily
- package-ecosystem: pip
directory: /tools/generate_natvis
schedule:
interval: daily
- package-ecosystem: pip
directory: /tools/serve_header
schedule:
interval: daily
- package-ecosystem: pip
directory: /cmake/requirements
schedule:
interval: daily

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version: '{build}'
# only build PRs and commits to develop branch
# (see https://help.appveyor.com/discussions/questions/55079-two-builds-per-commit-to-pull-request)
branches:
only:
- develop
only_commits:
files:
- .github/external_ci/appveyor.yml
- cmake/
- include/
- tests/
- CMakeLists.txt
environment:
matrix:
- APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
configuration: Debug
platform: x86
CXX_FLAGS: "/W4 /WX"
CMAKE_OPTIONS: ""
GENERATOR: Visual Studio 14 2015
- APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
configuration: Release
platform: x86
CXX_FLAGS: "/W4 /WX"
CMAKE_OPTIONS: ""
GENERATOR: Visual Studio 14 2015
- APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
configuration: Release
platform: x86
name: with_win_header
CXX_FLAGS: "/W4 /WX"
CMAKE_OPTIONS: ""
GENERATOR: Visual Studio 14 2015
- APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
configuration: Release
platform: x86
CXX_FLAGS: "/permissive- /std:c++17 /utf-8 /W4 /WX"
CMAKE_OPTIONS: ""
GENERATOR: Visual Studio 15 2017
- APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
configuration: Release
platform: x86
CXX_FLAGS: "/W4 /WX"
CMAKE_OPTIONS: "-DJSON_ImplicitConversions=OFF"
GENERATOR: Visual Studio 16 2019
- APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
configuration: Release
platform: x64
CXX_FLAGS: "/W4 /WX"
CMAKE_OPTIONS: ""
GENERATOR: Visual Studio 14 2015
- APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
configuration: Release
platform: x64
CXX_FLAGS: "/permissive- /std:c++17 /Zc:__cplusplus /utf-8 /W4 /WX"
CMAKE_OPTIONS: ""
GENERATOR: Visual Studio 15 2017
init:
- cmake --version
- msbuild /version
install:
- if "%platform%"=="x86" set GENERATOR_PLATFORM=Win32
before_build:
# for with_win_header build, inject the inclusion of Windows.h to the single-header library
- ps: if ($env:name -Eq "with_win_header") { $header_path = "single_include\nlohmann\json.hpp" }
- ps: if ($env:name -Eq "with_win_header") { "#include <Windows.h>`n" + (Get-Content $header_path | Out-String) | Set-Content $header_path }
- cmake . -G "%GENERATOR%" -A "%GENERATOR_PLATFORM%" -DCMAKE_CXX_FLAGS="%CXX_FLAGS%" -DCMAKE_IGNORE_PATH="C:/Program Files/Git/usr/bin" -DJSON_BuildTests=On "%CMAKE_OPTIONS%"
build_script:
- cmake --build . --config "%configuration%" --parallel 2
test_script:
- if "%configuration%"=="Release" ctest -C "%configuration%" --parallel 2 --output-on-failure
# On Debug builds, skip test-unicode_all
# as it is extremely slow to run and cause
# occasional timeouts on AppVeyor.
# More info: https://github.com/nlohmann/json/pull/1570
- if "%configuration%"=="Debug" ctest --exclude-regex "test-unicode" -C "%configuration%" --parallel 2 --output-on-failure

38
external/json/.github/labeler.yml vendored
View File

@@ -1,38 +0,0 @@
version: 1
labels:
- label: "documentation"
files:
- "README.md"
- label: "documentation"
files:
- "docs/.*"
- label: "tests"
files:
- "tests/.*"
- label: "CMake"
files:
- ".*CMakeLists.txt"
- label: "CMake"
files:
- "cmake/.*"
- label: "CI"
files:
- "github/workflows/.*"
- label: "CI"
files:
- "github/external_ci/.*"
- label: "S"
size-below: 10
- label: "M"
size-above: 9
size-below: 100
- label: "L"
size-above: 100

76
external/json/.github/workflows/check_amalgamation.yml vendored
View File

@@ -1,76 +0,0 @@
name: "Check amalgamation"
on:
pull_request:
permissions:
contents: read
jobs:
save:
runs-on: ubuntu-latest
steps:
- name: Harden Runner
uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
with:
egress-policy: audit
- name: Save PR number
run: |
mkdir -p ./pr
echo ${{ github.event.number }} > ./pr/number
echo ${{ github.event.pull_request.user.login }} > ./pr/author
- uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
with:
name: pr
path: pr/
check:
runs-on: ubuntu-latest
env:
MAIN_DIR: ${{ github.workspace }}/main
INCLUDE_DIR: ${{ github.workspace }}/main/single_include/nlohmann
TOOL_DIR: ${{ github.workspace }}/tools/tools/amalgamate
steps:
- name: Harden Runner
uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
with:
egress-policy: audit
- name: Checkout pull request
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
with:
path: main
ref: ${{ github.event.pull_request.head.sha }}
- name: Checkout tools
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
with:
path: tools
ref: develop
- name: Install astyle
run: |
python3 -mvenv venv
venv/bin/pip3 install -r $MAIN_DIR/tools/astyle/requirements.txt
- name: Check amalgamation
run: |
cd $MAIN_DIR
rm -fr $INCLUDE_DIR/json.hpp~ $INCLUDE_DIR/json_fwd.hpp~
cp $INCLUDE_DIR/json.hpp $INCLUDE_DIR/json.hpp~
cp $INCLUDE_DIR/json_fwd.hpp $INCLUDE_DIR/json_fwd.hpp~
python3 $TOOL_DIR/amalgamate.py -c $TOOL_DIR/config_json.json -s .
python3 $TOOL_DIR/amalgamate.py -c $TOOL_DIR/config_json_fwd.json -s .
echo "Format (1)"
${{ github.workspace }}/venv/bin/astyle --project=tools/astyle/.astylerc --suffix=none --quiet $INCLUDE_DIR/json.hpp $INCLUDE_DIR/json_fwd.hpp
diff $INCLUDE_DIR/json.hpp~ $INCLUDE_DIR/json.hpp
diff $INCLUDE_DIR/json_fwd.hpp~ $INCLUDE_DIR/json_fwd.hpp
${{ github.workspace }}/venv/bin/astyle --project=tools/astyle/.astylerc --suffix=orig $(find docs/examples include tests -type f \( -name '*.hpp' -o -name '*.cpp' -o -name '*.cu' \) -not -path 'tests/thirdparty/*' -not -path 'tests/abi/include/nlohmann/*' | sort)
echo Check
find $MAIN_DIR -name '*.orig' -exec false {} \+

35
external/json/.github/workflows/cifuzz.yml vendored
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@@ -1,35 +0,0 @@
name: CIFuzz
on: [pull_request]
permissions:
contents: read
jobs:
Fuzzing:
runs-on: ubuntu-latest
steps:
- name: Harden Runner
uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
with:
egress-policy: audit
- name: Build Fuzzers
id: build
uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@57fe4475324c5506adbfecdcdd2917f65c86ee9e # master
with:
oss-fuzz-project-name: 'json'
dry-run: false
language: c++
- name: Run Fuzzers
uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@57fe4475324c5506adbfecdcdd2917f65c86ee9e # master
with:
oss-fuzz-project-name: 'json'
fuzz-seconds: 300
dry-run: false
language: c++
- name: Upload Crash
uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
if: failure() && steps.build.outcome == 'success'
with:
name: artifacts
path: ./out/artifacts

49
external/json/.github/workflows/codeql-analysis.yml vendored
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@@ -1,49 +0,0 @@
name: "Code scanning - action"
on:
push:
branches:
- develop
- master
- release/*
pull_request:
schedule:
- cron: '0 19 * * 1'
workflow_dispatch:
concurrency:
group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
cancel-in-progress: true
permissions:
contents: read
jobs:
CodeQL-Build:
runs-on: ubuntu-latest
permissions:
security-events: write
steps:
- name: Harden Runner
uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
with:
egress-policy: audit
- name: Checkout repository
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
# Initializes the CodeQL tools for scanning.
- name: Initialize CodeQL
uses: github/codeql-action/init@fc7e4a0fa01c3cca5fd6a1fddec5c0740c977aa2 # v3.28.14
with:
languages: c-cpp
# Autobuild attempts to build any compiled languages (C/C++, C#, or Java).
# If this step fails, then you should remove it and run the build manually (see below)
- name: Autobuild
uses: github/codeql-action/autobuild@fc7e4a0fa01c3cca5fd6a1fddec5c0740c977aa2 # v3.28.14
- name: Perform CodeQL Analysis
uses: github/codeql-action/analyze@fc7e4a0fa01c3cca5fd6a1fddec5c0740c977aa2 # v3.28.14

81
external/json/.github/workflows/comment_check_amalgamation.yml vendored
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@@ -1,81 +0,0 @@
name: Comment Check Amalgamation
on:
workflow_run:
workflows: ["Check amalgamation"]
types:
- completed
permissions:
contents: read
jobs:
comment:
if: ${{ github.event.workflow_run.conclusion == 'failure' }}
runs-on: ubuntu-latest
permissions:
contents: read
actions: read
issues: read
pull-requests: write
steps:
- name: Harden Runner
uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
with:
egress-policy: audit
- name: 'Download artifact'
uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
with:
script: |
var artifacts = await github.rest.actions.listWorkflowRunArtifacts({
owner: context.repo.owner,
repo: context.repo.repo,
run_id: ${{github.event.workflow_run.id }},
});
var matchArtifact = artifacts.data.artifacts.filter((artifact) => {
return artifact.name == "pr"
})[0];
var download = await github.rest.actions.downloadArtifact({
owner: context.repo.owner,
repo: context.repo.repo,
artifact_id: matchArtifact.id,
archive_format: 'zip',
});
var fs = require('fs');
fs.writeFileSync('${{github.workspace}}/pr.zip', Buffer.from(download.data));
- run: unzip pr.zip
- name: 'Comment on PR'
uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
with:
github-token: ${{ secrets.GITHUB_TOKEN }}
script: |
var fs = require('fs');
const author = fs.readFileSync('./author')
const issue_number = Number(fs.readFileSync('./number'));
const opts = github.rest.issues.listForRepo.endpoint.merge({
owner: context.repo.owner,
repo: context.repo.repo,
creator: author,
state: 'all'
})
let first = true
const issues = await github.paginate(opts)
for (const issue of issues) {
if (issue.number === issue_number) {
continue
}
if (issue.pull_request) {
first = false
break
}
}
await github.rest.issues.createComment({
issue_number: issue_number,
owner: context.repo.owner,
repo: context.repo.repo,
body: '## 🔴 Amalgamation check failed! 🔴\nThe source code has not been amalgamated.'
+ (first ? ' @' + author + ' Please read and follow the [Contribution Guidelines]'
+ '(https://github.com/nlohmann/json/blob/develop/.github/CONTRIBUTING.md#files-to-change).'
: '')
})

27
external/json/.github/workflows/dependency-review.yml vendored
View File

@@ -1,27 +0,0 @@
# Dependency Review Action
#
# This Action will scan dependency manifest files that change as part of a Pull Request,
# surfacing known-vulnerable versions of the packages declared or updated in the PR.
# Once installed, if the workflow run is marked as required,
# PRs introducing known-vulnerable packages will be blocked from merging.
#
# Source repository: https://github.com/actions/dependency-review-action
name: 'Dependency Review'
on: [pull_request]
permissions:
contents: read
jobs:
dependency-review:
runs-on: ubuntu-latest
steps:
- name: Harden Runner
uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
with:
egress-policy: audit
- name: 'Checkout Repository'
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: 'Dependency Review'
uses: actions/dependency-review-action@ce3cf9537a52e8119d91fd484ab5b8a807627bf8 # v4.6.0

26
external/json/.github/workflows/labeler.yml vendored
View File

@@ -1,26 +0,0 @@
name: "Pull Request Labeler"
on:
pull_request_target:
types: [opened, synchronize]
permissions:
contents: read
jobs:
label:
permissions:
contents: read
pull-requests: write
runs-on: ubuntu-latest
steps:
- name: Harden Runner
uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
with:
egress-policy: audit
- uses: srvaroa/labeler@e216fb40e2e6d3b17d90fb1d950f98bee92f65ce # master
env:
GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

120
external/json/.github/workflows/macos.yml vendored
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@@ -1,120 +0,0 @@
name: macOS
on:
push:
branches:
- develop
- master
- release/*
pull_request:
workflow_dispatch:
concurrency:
group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
cancel-in-progress: true
permissions:
contents: read
jobs:
# macos-11 is deprecated
# macos-11:
# runs-on: macos-11
# strategy:
# matrix:
# xcode: ['11.7', '12.4', '12.5.1', '13.0']
# env:
# DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode }}.app/Contents/Developer
#
# steps:
# - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
# - name: Run CMake
# run: cmake -S . -B build -D CMAKE_BUILD_TYPE=Debug -DJSON_BuildTests=On -DJSON_FastTests=ON
# - name: Build
# run: cmake --build build --parallel 10
# - name: Test
# run: cd build ; ctest -j 10 --output-on-failure
# macos-12 is deprecated (https://github.com/actions/runner-images/issues/10721)
# macos-12:
# runs-on: macos-12 # https://github.com/actions/runner-images/blob/main/images/macos/macos-12-Readme.md
# strategy:
# matrix:
# xcode: ['13.1', '13.2.1', '13.3.1', '13.4.1', '14.0', '14.0.1', '14.1']
# env:
# DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode }}.app/Contents/Developer
#
# steps:
# - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
# - name: Run CMake
# run: cmake -S . -B build -D CMAKE_BUILD_TYPE=Debug -DJSON_BuildTests=On -DJSON_FastTests=ON
# - name: Build
# run: cmake --build build --parallel 10
# - name: Test
# run: cd build ; ctest -j 10 --output-on-failure
macos-13:
runs-on: macos-13 # https://github.com/actions/runner-images/blob/main/images/macos/macos-13-Readme.md
strategy:
matrix:
xcode: ['14.1', '14.2', '14.3', '14.3.1', '15.0.1', '15.1', '15.2']
env:
DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode }}.app/Contents/Developer
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Run CMake
run: cmake -S . -B build -D CMAKE_BUILD_TYPE=Debug -DJSON_BuildTests=On -DJSON_FastTests=ON
- name: Build
run: cmake --build build --parallel 10
- name: Test
run: cd build ; ctest -j 10 --output-on-failure
macos-14:
runs-on: macos-14 # https://github.com/actions/runner-images/blob/main/images/macos/macos-14-Readme.md
strategy:
matrix:
xcode: ['15.3', '15.4']
env:
DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode }}.app/Contents/Developer
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Run CMake
run: cmake -S . -B build -D CMAKE_BUILD_TYPE=Debug -DJSON_BuildTests=On -DJSON_FastTests=ON
- name: Build
run: cmake --build build --parallel 10
- name: Test
run: cd build ; ctest -j 10 --output-on-failure
macos-15:
runs-on: macos-15 # https://github.com/actions/runner-images/blob/main/images/macos/macos-15-Readme.md
strategy:
matrix:
xcode: ['16.0', '16.1', '16.2']
env:
DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode }}.app/Contents/Developer
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Run CMake
run: cmake -S . -B build -D CMAKE_BUILD_TYPE=Debug -DJSON_BuildTests=On -DJSON_FastTests=ON
- name: Build
run: cmake --build build --parallel 10
- name: Test
run: cd build ; ctest -j 10 --output-on-failure
xcode_standards:
runs-on: macos-latest
strategy:
matrix:
standard: [11, 14, 17, 20, 23, 26]
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Run CMake
run: cmake -S . -B build -D CMAKE_BUILD_TYPE=Debug -DJSON_BuildTests=On -DJSON_TestStandards=${{ matrix.standard }}
- name: Build
run: cmake --build build --parallel 10
- name: Test
run: cd build ; ctest -j 10 --output-on-failure

46
external/json/.github/workflows/publish_documentation.yml vendored
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@@ -1,46 +0,0 @@
name: Publish documentation
# publish the documentation on every merge to develop branch
on:
push:
branches:
- develop
paths:
- docs/mkdocs/**
- docs/examples/**
workflow_dispatch:
# we don't want to have concurrent jobs, and we don't want to cancel running jobs to avoid broken publications
concurrency:
group: documentation
cancel-in-progress: false
permissions:
contents: read
jobs:
publish_documentation:
permissions:
contents: write
if: github.repository == 'nlohmann/json'
runs-on: ubuntu-22.04
steps:
- name: Harden Runner
uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
with:
egress-policy: audit
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Install virtual environment
run: make install_venv -C docs/mkdocs
- name: Build documentation
run: make build -C docs/mkdocs
- name: Deploy documentation
uses: peaceiris/actions-gh-pages@4f9cc6602d3f66b9c108549d475ec49e8ef4d45e # v4.0.0
with:
github_token: ${{ secrets.GITHUB_TOKEN }}
publish_dir: ./docs/mkdocs/site

81
external/json/.github/workflows/scorecards.yml vendored
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@@ -1,81 +0,0 @@
# This workflow uses actions that are not certified by GitHub. They are provided
# by a third-party and are governed by separate terms of service, privacy
# policy, and support documentation.
name: Scorecard supply-chain security
on:
# For Branch-Protection check. Only the default branch is supported. See
# https://github.com/ossf/scorecard/blob/main/docs/checks.md#branch-protection
branch_protection_rule:
# To guarantee Maintained check is occasionally updated. See
# https://github.com/ossf/scorecard/blob/main/docs/checks.md#maintained
schedule:
- cron: '20 7 * * 2'
push:
branches: ["develop"]
permissions:
contents: read
jobs:
analysis:
name: Scorecard analysis
runs-on: ubuntu-latest
permissions:
# Needed to upload the results to code-scanning dashboard.
security-events: write
# Needed to publish results and get a badge (see publish_results below).
id-token: write
contents: read
actions: read
# To allow GraphQL ListCommits to work
issues: read
pull-requests: read
# To detect SAST tools
checks: read
steps:
- name: Harden Runner
uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
with:
egress-policy: audit
- name: "Checkout code"
uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
with:
persist-credentials: false
- name: "Run analysis"
uses: ossf/scorecard-action@f49aabe0b5af0936a0987cfb85d86b75731b0186 # v2.4.1
with:
results_file: results.sarif
results_format: sarif
# (Optional) "write" PAT token. Uncomment the `repo_token` line below if:
# - you want to enable the Branch-Protection check on a *public* repository, or
# - you are installing Scorecards on a *private* repository
# To create the PAT, follow the steps in https://github.com/ossf/scorecard-action#authentication-with-pat.
# repo_token: ${{ secrets.SCORECARD_TOKEN }}
# Public repositories:
# - Publish results to OpenSSF REST API for easy access by consumers
# - Allows the repository to include the Scorecard badge.
# - See https://github.com/ossf/scorecard-action#publishing-results.
# For private repositories:
# - `publish_results` will always be set to `false`, regardless
# of the value entered here.
publish_results: true
# Upload the results as artifacts (optional). Commenting out will disable uploads of run results in SARIF
# format to the repository Actions tab.
- name: "Upload artifact"
uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
with:
name: SARIF file
path: results.sarif
retention-days: 5
# Upload the results to GitHub's code scanning dashboard.
- name: "Upload to code-scanning"
uses: github/codeql-action/upload-sarif@fc7e4a0fa01c3cca5fd6a1fddec5c0740c977aa2 # v3.28.14
with:
sarif_file: results.sarif

34
external/json/.github/workflows/stale.yml vendored
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@@ -1,34 +0,0 @@
name: 'Comment and close stale issues and PR'
on:
schedule:
- cron: '0 0 * * *'
permissions:
contents: read
jobs:
stale:
runs-on: ubuntu-latest
permissions:
issues: write
pull-requests: write
steps:
- name: Harden Runner
uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
with:
egress-policy: audit
- uses: actions/stale@5bef64f19d7facfb25b37b414482c7164d639639 # v9.1.0
with:
stale-issue-label: 'state: stale'
stale-pr-label: 'state: stale'
exempt-issue-labels: 'pinned,security'
stale-issue-message: 'This issue has been marked as stale because it has been open for 90 days without activity. If this issue is still relevant, please add a comment or remove the "stale" label. Otherwise, it will be closed in 10 days. Thank you for helping us prioritize our work!'
stale-pr-message: 'This pull request has been marked as stale because it has had no activity for 30 days. While we won’t close it automatically, we encourage you to update or comment if it is still relevant. Keeping pull requests active and up-to-date helps us review and merge changes more efficiently. Thank you for your contributions!'
close-issue-message: 'This issue has been closed after being marked as stale for 10 days without any further activity. If this was done in error or the issue is still relevant, please feel free to reopen it or create a new issue. We appreciate your understanding and contributions.'
days-before-stale: 90
days-before-pr-stale: 30
days-before-close: 10
days-before-pr-close: -1

251
external/json/.github/workflows/ubuntu.yml vendored
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@@ -1,251 +0,0 @@
name: Ubuntu
on:
push:
branches:
- develop
- master
- release/*
pull_request:
workflow_dispatch:
permissions:
contents: read
concurrency:
group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
cancel-in-progress: true
jobs:
ci_test_gcc:
runs-on: ubuntu-latest
container: gcc:latest
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Get latest CMake and ninja
uses: lukka/get-cmake@28983e0d3955dba2bb0a6810caae0c6cf268ec0c # v4.0.0
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_test_gcc
ci_infer:
runs-on: ubuntu-latest
container: ghcr.io/nlohmann/json-ci:v2.4.0
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_infer
ci_static_analysis_ubuntu:
runs-on: ubuntu-latest
strategy:
matrix:
target: [ci_test_amalgamation, ci_test_single_header, ci_cppcheck, ci_cpplint, ci_reproducible_tests, ci_non_git_tests, ci_offline_testdata, ci_reuse_compliance, ci_test_valgrind]
steps:
- name: Harden Runner
uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
with:
egress-policy: audit
- name: Install Valgrind
run: sudo apt-get update ; sudo apt-get install -y valgrind
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Get latest CMake and ninja
uses: lukka/get-cmake@28983e0d3955dba2bb0a6810caae0c6cf268ec0c # v4.0.0
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ${{ matrix.target }}
ci_static_analysis_clang:
runs-on: ubuntu-latest
container: silkeh/clang:dev
strategy:
matrix:
target: [ci_test_clang, ci_clang_tidy, ci_test_clang_sanitizer, ci_clang_analyze, ci_single_binaries]
steps:
- name: Install git, clang-tools, iwyu (ci_single_binaries), and unzip
run: apt-get update ; apt-get install -y git clang-tools iwyu unzip
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Get latest CMake and ninja
uses: lukka/get-cmake@28983e0d3955dba2bb0a6810caae0c6cf268ec0c # v4.0.0
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ${{ matrix.target }}
ci_cmake_options:
runs-on: ubuntu-latest
container: ubuntu:focal
strategy:
matrix:
target: [ci_cmake_flags, ci_test_diagnostics, ci_test_diagnostic_positions, ci_test_noexceptions, ci_test_noimplicitconversions, ci_test_legacycomparison, ci_test_noglobaludls]
steps:
- name: Install build-essential
run: apt-get update ; apt-get install -y build-essential unzip wget git libssl-dev
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Get latest CMake and ninja
uses: lukka/get-cmake@28983e0d3955dba2bb0a6810caae0c6cf268ec0c # v4.0.0
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ${{ matrix.target }}
ci_test_coverage:
runs-on: ubuntu-latest
steps:
- name: Harden Runner
uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
with:
egress-policy: audit
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Install dependencies and de_DE locale
run: |
sudo apt-get clean
sudo apt-get update
sudo apt-get install -y build-essential cmake lcov ninja-build make locales gcc-multilib g++-multilib
sudo locale-gen de_DE
sudo update-locale
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_test_coverage
- name: Archive coverage report
uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
with:
name: code-coverage-report
path: ${{ github.workspace }}/build/html
- name: Publish report to Coveralls
uses: coverallsapp/github-action@648a8eb78e6d50909eff900e4ec85cab4524a45b # v2.3.6
with:
github-token: ${{ secrets.GITHUB_TOKEN }}
path-to-lcov: ${{ github.workspace }}/build/json.info.filtered.noexcept
ci_test_compilers_gcc_old:
runs-on: ubuntu-latest
strategy:
matrix:
compiler: ['4.8', '4.9', '5', '6']
container: ghcr.io/nlohmann/json-ci:v2.4.0
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Run CMake
run: CXX=g++-${{ matrix.compiler }} cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_test_compiler_g++-${{ matrix.compiler }}
ci_test_compilers_gcc:
runs-on: ubuntu-latest
strategy:
matrix:
# older GCC docker images (4, 5, 6) fail to check out code
compiler: ['7', '8', '9', '10', '11', '12', '13', '14', 'latest']
container: gcc:${{ matrix.compiler }}
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Get latest CMake and ninja
uses: lukka/get-cmake@28983e0d3955dba2bb0a6810caae0c6cf268ec0c # v4.0.0
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_test_compiler_default
ci_test_compilers_clang:
runs-on: ubuntu-latest
strategy:
matrix:
compiler: ['3.4', '3.5', '3.6', '3.7', '3.8', '3.9', '4', '5', '6', '7', '8', '9', '10', '11', '12', '13', '14', '15-bullseye', '16', '17', '18', '19', '20', 'latest']
container: silkeh/clang:${{ matrix.compiler }}
steps:
- name: Install unzip and git
run: apt-get update ; apt-get install -y unzip git
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Get latest CMake and ninja
uses: lukka/get-cmake@28983e0d3955dba2bb0a6810caae0c6cf268ec0c # v4.0.0
- name: Set env FORCE_STDCPPFS_FLAG for clang 7 / 8 / 9 / 10
run: echo "JSON_FORCED_GLOBAL_COMPILE_OPTIONS=-DJSON_HAS_FILESYSTEM=0;-DJSON_HAS_EXPERIMENTAL_FILESYSTEM=0" >> "$GITHUB_ENV"
if: ${{ matrix.compiler == '7' || matrix.compiler == '8' || matrix.compiler == '9' || matrix.compiler == '10' }}
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_test_compiler_default
ci_test_standards_gcc:
runs-on: ubuntu-latest
container: gcc:latest
strategy:
matrix:
standard: [11, 14, 17, 20, 23, 26]
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Get latest CMake and ninja
uses: lukka/get-cmake@28983e0d3955dba2bb0a6810caae0c6cf268ec0c # v4.0.0
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_test_gcc_cxx${{ matrix.standard }}
ci_test_standards_clang:
runs-on: ubuntu-latest
container: silkeh/clang:latest
strategy:
matrix:
standard: [11, 14, 17, 20, 23, 26]
stdlib: [libcxx, libstdcxx]
steps:
- name: Install git and unzip
run: apt-get update ; apt-get install -y git unzip
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Get latest CMake and ninja
uses: lukka/get-cmake@28983e0d3955dba2bb0a6810caae0c6cf268ec0c # v4.0.0
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build with libc++
run: cmake --build build --target ci_test_clang_libcxx_cxx${{ matrix.standard }}
if: ${{ matrix.stdlib == 'libcxx' }}
- name: Build with libstdc++
run: cmake --build build --target ci_test_clang_cxx${{ matrix.standard }}
if: ${{ matrix.stdlib == 'libstdcxx' }}
ci_cuda_example:
runs-on: ubuntu-latest
container: ghcr.io/nlohmann/json-ci:v2.4.0
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ci_cuda_example
ci_icpc:
runs-on: ubuntu-latest
container: ghcr.io/nlohmann/json-ci:v2.2.0
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: |
. /opt/intel/oneapi/setvars.sh
cmake --build build --target ci_icpc
ci_test_documentation:
runs-on: ubuntu-latest
strategy:
matrix:
target: [ci_test_examples, ci_test_build_documentation]
steps:
- name: Harden Runner
uses: step-security/harden-runner@c6295a65d1254861815972266d5933fd6e532bdf # v2.11.1
with:
egress-policy: audit
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Run CMake
run: cmake -S . -B build -DJSON_CI=On
- name: Build
run: cmake --build build --target ${{ matrix.target }}

134
external/json/.github/workflows/windows.yml vendored
View File

@@ -1,134 +0,0 @@
name: Windows
on:
push:
branches:
- develop
- master
- release/*
pull_request:
workflow_dispatch:
permissions:
contents: read
concurrency:
group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
cancel-in-progress: true
jobs:
mingw:
runs-on: windows-2019
strategy:
matrix:
architecture: [x64, x86]
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Set up MinGW
uses: egor-tensin/setup-mingw@84c781b557efd538dec66bde06988d81cd3138cf # v2.2.0
with:
platform: ${{ matrix.architecture }}
version: 12.2.0 # https://github.com/egor-tensin/setup-mingw/issues/14
- name: Run CMake
run: cmake -S . -B build -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=Debug -DJSON_BuildTests=On
- name: Build
run: cmake --build build --parallel 10
- name: Test
run: cd build ; ctest -j 10 -C Debug --output-on-failure
msvc2019:
runs-on: windows-2019
strategy:
matrix:
build_type: [Debug, Release]
architecture: [Win32, x64]
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Run CMake
run: cmake -S . -B build -G "Visual Studio 16 2019" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="/W4 /WX"
if: matrix.build_type == 'Release'
- name: Run CMake
run: cmake -S . -B build -G "Visual Studio 16 2019" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DJSON_FastTests=ON -DCMAKE_CXX_FLAGS="/W4 /WX"
if: matrix.build_type == 'Debug'
- name: Build
run: cmake --build build --config ${{ matrix.build_type }} --parallel 10
- name: Test
run: cd build ; ctest -j 10 -C ${{ matrix.build_type }} --output-on-failure
msvc2019_latest:
runs-on: windows-2019
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Run CMake
run: cmake -S . -B build -G "Visual Studio 16 2019" -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="/permissive- /std:c++latest /utf-8 /W4 /WX"
- name: Build
run: cmake --build build --config Release --parallel 10
- name: Test
run: cd build ; ctest -j 10 -C Release --output-on-failure
msvc2022:
runs-on: windows-2022
strategy:
matrix:
build_type: [Debug, Release]
architecture: [Win32, x64]
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Run CMake
run: cmake -S . -B build -G "Visual Studio 17 2022" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="/W4 /WX"
if: matrix.build_type == 'Release'
- name: Run CMake
run: cmake -S . -B build -G "Visual Studio 17 2022" -A ${{ matrix.architecture }} -DJSON_BuildTests=On -DJSON_FastTests=ON -DCMAKE_CXX_FLAGS="/W4 /WX"
if: matrix.build_type == 'Debug'
- name: Build
run: cmake --build build --config ${{ matrix.build_type }} --parallel 10
- name: Test
run: cd build ; ctest -j 10 -C ${{ matrix.build_type }} --output-on-failure
msvc2022_latest:
runs-on: windows-2022
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Run CMake
run: cmake -S . -B build -G "Visual Studio 17 2022" -DJSON_BuildTests=On -DCMAKE_CXX_FLAGS="/permissive- /std:c++latest /utf-8 /W4 /WX"
- name: Build
run: cmake --build build --config Release --parallel 10
- name: Test
run: cd build ; ctest -j 10 -C Release --output-on-failure
clang:
runs-on: windows-2019
strategy:
matrix:
version: [11, 12, 13, 14, 15]
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Install Clang
run: curl -fsSL -o LLVM${{ matrix.version }}.exe https://github.com/llvm/llvm-project/releases/download/llvmorg-${{ matrix.version }}.0.0/LLVM-${{ matrix.version }}.0.0-win64.exe ; 7z x LLVM${{ matrix.version }}.exe -y -o"C:/Program Files/LLVM"
- name: Run CMake
run: cmake -S . -B build -DCMAKE_CXX_COMPILER="C:/Program Files/LLVM/bin/clang++.exe" -G"MinGW Makefiles" -DCMAKE_BUILD_TYPE=Debug -DJSON_BuildTests=On
- name: Build
run: cmake --build build --parallel 10
- name: Test
run: cd build ; ctest -j 10 -C Debug --exclude-regex "test-unicode" --output-on-failure
clang-cl-11:
runs-on: windows-2019
strategy:
matrix:
architecture: [Win32, x64]
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
- name: Run CMake
run: cmake -S . -B build -G "Visual Studio 16 2019" -A ${{ matrix.architecture }} -T ClangCL -DJSON_BuildTests=On
- name: Build
run: cmake --build build --config Debug --parallel 10
- name: Test
run: cd build ; ctest -j 10 -C Debug --exclude-regex "test-unicode" --output-on-failure

47
external/json/.gitignore vendored
View File

@@ -1,47 +0,0 @@
*.dSYM
*.o
*.gcno
*.gcda
.DS_Store
/.idea
/cmake-build-*
# Visual Studio / Visual Studio Code
/.vs/
/.vscode/
/out/
# clangd cache
/.cache/
# build directories (vscode-cmake-tools, user-defined, ...)
/build*/
# fuzzers
/tests/corpus_*
/tests/parse_*_fuzzer
# documentation
/docs/docset/JSON_for_Modern_C++.docset/
/docs/docset/JSON_for_Modern_C++.tgz
/docs/docset/docSet.dsidx
/docs/mkdocs/.cache/
/docs/mkdocs/docs/__pycache__/
/docs/mkdocs/site/
/docs/mkdocs/venv/
# serve_header
/localhost.pem
/localhost-key.pem
/serve_header.yml
# Swift Package Manager build directory
/.build
venv
nlohmann_json.spdx
# Bazel-related
MODULE.bazel.lock

36
external/json/.reuse/dep5 vendored
View File

@@ -1,36 +0,0 @@
Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: json
Upstream-Contact: Niels Lohmann <mail@nlohmann.me>
Source: https://github.com/nlohmann/json
Files: *
Copyright: 2013-2025 Niels Lohmann <https://nlohmann.me>
License: MIT
Files: include/nlohmann/thirdparty/hedley.hpp
Copyright: 2016-2021 Evan Nemerson <evan@nemerson.com>
License: CC0
Files: tests/thirdparty/doctest/*
Copyright: 2016-2023 Viktor Kirilov
License: MIT
Files: tests/thirdparty/fifo_map/*
Copyright: 2015-2017 Niels Lohmann
License: MIT
Files: tests/thirdparty/Fuzzer/*
Copyright: 2003-2022 LLVM Project.
License: Apache-2.0
Files: tests/thirdparty/imapdl/*
Copyright: 2017 Georg Sauthoff <mail@gms.tf>
License: GPL-3.0-only
Files: tools/amalgamate/*
Copyright: 2012 Erik Edlund <erik.edlund@32767.se>
License: BSD-3-Clause
Files: tools/gdb_pretty_printer/*
Copyright: 2020 Hannes Domani <https://github.com/ssbssa>
License: MIT

11
external/json/.reuse/templates/json.jinja2 vendored
View File

@@ -1,11 +0,0 @@
__ _____ _____ _____
__| | __| | | | JSON for Modern C++
| | |__ | | | | | | version 3.12.0
|_____|_____|_____|_|___| https://github.com/nlohmann/json
{% for copyright_line in copyright_lines %}
{{ copyright_line }}
{% endfor %}
{% for expression in spdx_expressions %}
SPDX-License-Identifier: {{ expression }}
{% endfor %}

11
external/json/.reuse/templates/json_support.jinja2 vendored
View File

@@ -1,11 +0,0 @@
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (supporting code)
| | |__ | | | | | | version 3.12.0
|_____|_____|_____|_|___| https://github.com/nlohmann/json
{% for copyright_line in copyright_lines %}
{{ copyright_line }}
{% endfor %}
{% for expression in spdx_expressions %}
SPDX-License-Identifier: {{ expression }}
{% endfor %}

80
external/json/BUILD.bazel vendored
View File

@@ -1,80 +0,0 @@
load("@rules_cc//cc:cc_library.bzl", "cc_library")
load("@rules_license//rules:license.bzl", "license")
package(
default_applicable_licenses = [":license"],
)
exports_files([
"LICENSE.MIT",
])
license(
name = "license",
license_kinds = ["@rules_license//licenses/spdx:MIT"],
license_text = "LICENSE.MIT",
)
cc_library(
name = "json",
hdrs = [
"include/nlohmann/adl_serializer.hpp",
"include/nlohmann/byte_container_with_subtype.hpp",
"include/nlohmann/detail/abi_macros.hpp",
"include/nlohmann/detail/conversions/from_json.hpp",
"include/nlohmann/detail/conversions/to_chars.hpp",
"include/nlohmann/detail/conversions/to_json.hpp",
"include/nlohmann/detail/exceptions.hpp",
"include/nlohmann/detail/hash.hpp",
"include/nlohmann/detail/input/binary_reader.hpp",
"include/nlohmann/detail/input/input_adapters.hpp",
"include/nlohmann/detail/input/json_sax.hpp",
"include/nlohmann/detail/input/lexer.hpp",
"include/nlohmann/detail/input/parser.hpp",
"include/nlohmann/detail/input/position_t.hpp",
"include/nlohmann/detail/iterators/internal_iterator.hpp",
"include/nlohmann/detail/iterators/iter_impl.hpp",
"include/nlohmann/detail/iterators/iteration_proxy.hpp",
"include/nlohmann/detail/iterators/iterator_traits.hpp",
"include/nlohmann/detail/iterators/json_reverse_iterator.hpp",
"include/nlohmann/detail/iterators/primitive_iterator.hpp",
"include/nlohmann/detail/json_custom_base_class.hpp",
"include/nlohmann/detail/json_pointer.hpp",
"include/nlohmann/detail/json_ref.hpp",
"include/nlohmann/detail/macro_scope.hpp",
"include/nlohmann/detail/macro_unscope.hpp",
"include/nlohmann/detail/meta/call_std/begin.hpp",
"include/nlohmann/detail/meta/call_std/end.hpp",
"include/nlohmann/detail/meta/cpp_future.hpp",
"include/nlohmann/detail/meta/detected.hpp",
"include/nlohmann/detail/meta/identity_tag.hpp",
"include/nlohmann/detail/meta/is_sax.hpp",
"include/nlohmann/detail/meta/std_fs.hpp",
"include/nlohmann/detail/meta/type_traits.hpp",
"include/nlohmann/detail/meta/void_t.hpp",
"include/nlohmann/detail/output/binary_writer.hpp",
"include/nlohmann/detail/output/output_adapters.hpp",
"include/nlohmann/detail/output/serializer.hpp",
"include/nlohmann/detail/string_concat.hpp",
"include/nlohmann/detail/string_escape.hpp",
"include/nlohmann/detail/string_utils.hpp",
"include/nlohmann/detail/value_t.hpp",
"include/nlohmann/json.hpp",
"include/nlohmann/json_fwd.hpp",
"include/nlohmann/ordered_map.hpp",
"include/nlohmann/thirdparty/hedley/hedley.hpp",
"include/nlohmann/thirdparty/hedley/hedley_undef.hpp",
],
includes = ["include"],
visibility = ["//visibility:public"],
alwayslink = True,
)
cc_library(
name = "singleheader-json",
hdrs = [
"single_include/nlohmann/json.hpp",
],
includes = ["single_include"],
visibility = ["//visibility:public"],
)

14
external/json/CITATION.cff vendored
View File

@@ -1,14 +0,0 @@
cff-version: 1.2.0
message: "If you use this software, please cite it as below."
authors:
- family-names: Lohmann
given-names: Niels
orcid: https://orcid.org/0000-0001-9037-795X
email: mail@nlohmann.me
website: https://nlohmann.me
title: "JSON for Modern C++"
version: 3.12.0
date-released: 2025-04-07
license: MIT
repository-code: "https://github.com/nlohmann"
url: https://json.nlohmann.me

225
external/json/CMakeLists.txt vendored
View File

@@ -1,225 +0,0 @@
cmake_minimum_required(VERSION 3.5...4.0)
##
## PROJECT
## name and version
##
project(nlohmann_json VERSION 3.12.0 LANGUAGES CXX)
##
## MAIN_PROJECT CHECK
## determine if nlohmann_json is built as a subproject (using add_subdirectory) or if it is the main project
##
set(MAIN_PROJECT OFF)
if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
set(MAIN_PROJECT ON)
endif()
##
## INCLUDE
##
##
set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake ${CMAKE_MODULE_PATH})
include(ExternalProject)
##
## OPTIONS
##
if (POLICY CMP0077)
# Allow CMake 3.13+ to override options when using FetchContent / add_subdirectory.
cmake_policy(SET CMP0077 NEW)
endif ()
# VERSION_GREATER_EQUAL is not available in CMake 3.1
if(${MAIN_PROJECT} AND (${CMAKE_VERSION} VERSION_EQUAL 3.13 OR ${CMAKE_VERSION} VERSION_GREATER 3.13))
set(JSON_BuildTests_INIT ON)
else()
set(JSON_BuildTests_INIT OFF)
endif()
option(JSON_BuildTests "Build the unit tests when BUILD_TESTING is enabled." ${JSON_BuildTests_INIT})
option(JSON_CI "Enable CI build targets." OFF)
option(JSON_Diagnostics "Use extended diagnostic messages." OFF)
option(JSON_Diagnostic_Positions "Enable diagnostic positions." OFF)
option(JSON_GlobalUDLs "Place user-defined string literals in the global namespace." ON)
option(JSON_ImplicitConversions "Enable implicit conversions." ON)
option(JSON_DisableEnumSerialization "Disable default integer enum serialization." OFF)
option(JSON_LegacyDiscardedValueComparison "Enable legacy discarded value comparison." OFF)
option(JSON_Install "Install CMake targets during install step." ${MAIN_PROJECT})
option(JSON_MultipleHeaders "Use non-amalgamated version of the library." ON)
option(JSON_SystemInclude "Include as system headers (skip for clang-tidy)." OFF)
if (JSON_CI)
include(ci)
endif ()
##
## CONFIGURATION
##
include(GNUInstallDirs)
if (NOT DEFINED NLOHMANN_JSON_TARGET_NAME)
# Allow overriding the target name when using FetchContent / add_subdirectory.
set(NLOHMANN_JSON_TARGET_NAME ${PROJECT_NAME})
endif()
set(NLOHMANN_JSON_CONFIG_INSTALL_DIR "${CMAKE_INSTALL_DATADIR}/cmake/${PROJECT_NAME}" CACHE INTERNAL "")
set(NLOHMANN_JSON_INCLUDE_INSTALL_DIR "${CMAKE_INSTALL_INCLUDEDIR}")
set(NLOHMANN_JSON_TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets")
set(NLOHMANN_JSON_CMAKE_CONFIG_TEMPLATE "cmake/config.cmake.in")
set(NLOHMANN_JSON_CMAKE_CONFIG_DIR "${CMAKE_CURRENT_BINARY_DIR}")
set(NLOHMANN_JSON_CMAKE_VERSION_CONFIG_FILE "${NLOHMANN_JSON_CMAKE_CONFIG_DIR}/${PROJECT_NAME}ConfigVersion.cmake")
set(NLOHMANN_JSON_CMAKE_PROJECT_CONFIG_FILE "${NLOHMANN_JSON_CMAKE_CONFIG_DIR}/${PROJECT_NAME}Config.cmake")
set(NLOHMANN_JSON_CMAKE_PROJECT_TARGETS_FILE "${NLOHMANN_JSON_CMAKE_CONFIG_DIR}/${PROJECT_NAME}Targets.cmake")
set(NLOHMANN_JSON_PKGCONFIG_INSTALL_DIR "${CMAKE_INSTALL_DATADIR}/pkgconfig")
if (JSON_MultipleHeaders)
set(NLOHMANN_JSON_INCLUDE_BUILD_DIR "${PROJECT_SOURCE_DIR}/include/")
message(STATUS "Using the multi-header code from ${NLOHMANN_JSON_INCLUDE_BUILD_DIR}")
else()
set(NLOHMANN_JSON_INCLUDE_BUILD_DIR "${PROJECT_SOURCE_DIR}/single_include/")
message(STATUS "Using the single-header code from ${NLOHMANN_JSON_INCLUDE_BUILD_DIR}")
endif()
if (NOT JSON_ImplicitConversions)
message(STATUS "Implicit conversions are disabled (JSON_USE_IMPLICIT_CONVERSIONS=0)")
endif()
if (JSON_DisableEnumSerialization)
message(STATUS "Enum integer serialization is disabled (JSON_DISABLE_ENUM_SERIALIZATION=0)")
endif()
if (JSON_LegacyDiscardedValueComparison)
message(STATUS "Legacy discarded value comparison enabled (JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON=1)")
endif()
if (JSON_Diagnostics)
message(STATUS "Diagnostics enabled (JSON_DIAGNOSTICS=1)")
endif()
if (JSON_Diagnostic_Positions)
message(STATUS "Diagnostic positions enabled (JSON_DIAGNOSTIC_POSITIONS=1)")
endif()
if (NOT JSON_GlobalUDLs)
message(STATUS "User-defined string literals are not put in the global namespace (JSON_USE_GLOBAL_UDLS=0)")
endif()
if (JSON_SystemInclude)
set(NLOHMANN_JSON_SYSTEM_INCLUDE "SYSTEM")
endif()
##
## TARGET
## create target and add include path
##
add_library(${NLOHMANN_JSON_TARGET_NAME} INTERFACE)
add_library(${PROJECT_NAME}::${NLOHMANN_JSON_TARGET_NAME} ALIAS ${NLOHMANN_JSON_TARGET_NAME})
if (${CMAKE_VERSION} VERSION_LESS "3.8.0")
target_compile_features(${NLOHMANN_JSON_TARGET_NAME} INTERFACE cxx_range_for)
else()
target_compile_features(${NLOHMANN_JSON_TARGET_NAME} INTERFACE cxx_std_11)
endif()
target_compile_definitions(
${NLOHMANN_JSON_TARGET_NAME}
INTERFACE
$<$<NOT:$<BOOL:${JSON_GlobalUDLs}>>:JSON_USE_GLOBAL_UDLS=0>
$<$<NOT:$<BOOL:${JSON_ImplicitConversions}>>:JSON_USE_IMPLICIT_CONVERSIONS=0>
$<$<BOOL:${JSON_DisableEnumSerialization}>:JSON_DISABLE_ENUM_SERIALIZATION=1>
$<$<BOOL:${JSON_Diagnostics}>:JSON_DIAGNOSTICS=1>
$<$<BOOL:${JSON_Diagnostic_Positions}>:JSON_DIAGNOSTIC_POSITIONS=1>
$<$<BOOL:${JSON_LegacyDiscardedValueComparison}>:JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON=1>
)
target_include_directories(
${NLOHMANN_JSON_TARGET_NAME}
${NLOHMANN_JSON_SYSTEM_INCLUDE} INTERFACE
$<BUILD_INTERFACE:${NLOHMANN_JSON_INCLUDE_BUILD_DIR}>
$<INSTALL_INTERFACE:${NLOHMANN_JSON_INCLUDE_INSTALL_DIR}>
)
## add debug view definition file for msvc (natvis)
if (MSVC)
set(NLOHMANN_ADD_NATVIS TRUE)
set(NLOHMANN_NATVIS_FILE "nlohmann_json.natvis")
target_sources(
${NLOHMANN_JSON_TARGET_NAME}
INTERFACE
$<INSTALL_INTERFACE:${NLOHMANN_NATVIS_FILE}>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/${NLOHMANN_NATVIS_FILE}>
)
endif()
# Install a pkg-config file, so other tools can find this.
CONFIGURE_FILE(
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/pkg-config.pc.in"
"${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
@ONLY
)
##
## TESTS
## create and configure the unit test target
##
if (JSON_BuildTests)
include(CTest)
enable_testing()
add_subdirectory(tests)
endif()
##
## INSTALL
## install header files, generate and install cmake config files for find_package()
##
include(CMakePackageConfigHelpers)
# use a custom package version config file instead of
# write_basic_package_version_file to ensure that it's architecture-independent
# https://github.com/nlohmann/json/issues/1697
configure_file(
"cmake/nlohmann_jsonConfigVersion.cmake.in"
${NLOHMANN_JSON_CMAKE_VERSION_CONFIG_FILE}
@ONLY
)
configure_file(
${NLOHMANN_JSON_CMAKE_CONFIG_TEMPLATE}
${NLOHMANN_JSON_CMAKE_PROJECT_CONFIG_FILE}
@ONLY
)
if(JSON_Install)
install(
DIRECTORY ${NLOHMANN_JSON_INCLUDE_BUILD_DIR}
DESTINATION ${NLOHMANN_JSON_INCLUDE_INSTALL_DIR}
)
install(
FILES ${NLOHMANN_JSON_CMAKE_PROJECT_CONFIG_FILE} ${NLOHMANN_JSON_CMAKE_VERSION_CONFIG_FILE}
DESTINATION ${NLOHMANN_JSON_CONFIG_INSTALL_DIR}
)
if (NLOHMANN_ADD_NATVIS)
install(
FILES ${NLOHMANN_NATVIS_FILE}
DESTINATION .
)
endif()
export(
TARGETS ${NLOHMANN_JSON_TARGET_NAME}
NAMESPACE ${PROJECT_NAME}::
FILE ${NLOHMANN_JSON_CMAKE_PROJECT_TARGETS_FILE}
)
install(
TARGETS ${NLOHMANN_JSON_TARGET_NAME}
EXPORT ${NLOHMANN_JSON_TARGETS_EXPORT_NAME}
INCLUDES DESTINATION ${NLOHMANN_JSON_INCLUDE_INSTALL_DIR}
)
install(
EXPORT ${NLOHMANN_JSON_TARGETS_EXPORT_NAME}
NAMESPACE ${PROJECT_NAME}::
DESTINATION ${NLOHMANN_JSON_CONFIG_INSTALL_DIR}
)
install(
FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
DESTINATION ${NLOHMANN_JSON_PKGCONFIG_INSTALL_DIR}
)
include(CPack)
endif()

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# Supporting files
This file describes the source for supporting files; that is, files that are not part of the library, but define the infrastructure and other aspects of the project.
- [Continuous Integration](#continuous-integration)
- [GitHub](#github)
- [REUSE](#reuse)
- [Package Managers](#package-managers)
## Continuous Integration
### `.cirrus.yml`
Configuration file for the pipeline at [Cirrus CI](https://cirrus-ci.com/github/nlohmann/json).
Further documentation:
- [Writing tasks](https://cirrus-ci.org/guide/writing-tasks/)
> [!IMPORTANT]
> The filename `.cirrus.yml` and position (root of the repository) are predetermined by Cirrus CI.
### `.github/external_ci/appveyor.yml`
Configuration for the pipelines at [AppVeyor](https://ci.appveyor.com/project/nlohmann/json).
Further documentation:
- [appveyor.yml reference](https://www.appveyor.com/docs/appveyor-yml/)
> [!NOTE]
> The filename can be freely configured in the AppVeyor project.
## GitHub
### `CITATION.cff`
A file to configure the citation for the repository which is displayed in the sidebar of the project.
Further documentation:
- [About CITATION files](https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-citation-files)
> [!IMPORTANT]
> The filename `CITATION.cff` and position (root of the repository) are predetermined by GitHub.
### `.github/CODE_OF_CONDUCT.md`
The code of conduct for the project. This is the Markdown version of the [Contributor Covenant Code of Conduct](https://www.contributor-covenant.org/version/2/1/code_of_conduct/). The code of conduct is linked on the [Community Standards](https://github.com/nlohmann/json/community) page and is mentioned by the Sentiment Bot.
Further documentation:
- [Adding a code of conduct to your project](https://docs.github.com/en/communities/setting-up-your-project-for-healthy-contributions/adding-a-code-of-conduct-to-your-project)
> [!IMPORTANT]
> The filename `.github/CODE_OF_CONDUCT.md` is predetermined by GitHub.
> [!NOTE]
> The file is part of the documentation and is included in `docs/mkdocs/docs/community/code_of_conduct.md`.
### `.github/CODEOWNERS`
The code owners file for the project which is used to select reviewers for new pull requests.
Further documentation:
- [About code owners](https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners)
> [!IMPORTANT]
> The filename `.github/CODEOWNERS` is predetermined by GitHub.
### `.github/config.yml`
Configuration file for [probot](https://probot.github.io/apps/), in particular the [Sentiment Bot](https://probot.github.io/apps/sentiment-bot/) and the [Request Info](https://probot.github.io/apps/request-info/).
> [!IMPORTANT]
> The filename `.github/config.yml` is predetermined by probot.
### `.github/CONTRIBUTING.md`
The contribution guidelines which are linked in the [Community Standards](https://github.com/nlohmann/json/community) and at <https://github.com/nlohmann/json/contribute>.
Further documentation:
- [Setting guidelines for repository contributors](https://docs.github.com/en/communities/setting-up-your-project-for-healthy-contributions/setting-guidelines-for-repository-contributors)
> [!IMPORTANT]
> The filename `.github/CONTRIBUTING.md` is predetermined by GitHub.
> [!NOTE]
> The file is part of the documentation and is included in `docs/mkdocs/docs/community/contribution_guidelines.md`.
### `.github/dependabot.yml`
The configuration of [dependabot](https://github.com/dependabot) which ensures the dependencies (GitHub actions and Python packages used in the CI) remain up-to-date.
Further documentation:
- [Configuring Dependabot security updates](https://docs.github.com/en/code-security/dependabot/dependabot-security-updates/configuring-dependabot-security-updates)
> [!IMPORTANT]
> The filename `.github/dependabot.yml` is predetermined by GitHub.
### `.github/FUNDING.yml`
A file to configure the sponsor button of the repository which is displayed in the sidebar of the project.
Further documentation:
- [Displaying a sponsor button in your repository](https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/displaying-a-sponsor-button-in-your-repository)
> [!IMPORTANT]
> The filename `.github/FUNDING.yml` is predetermined by GitHub.
### `.github/ISSUE_TEMPLATE/bug.yaml`
Issue form template for bugs.
Further documentation:
- [Configuring issue templates for your repository](https://docs.github.com/en/communities/using-templates-to-encourage-useful-issues-and-pull-requests/configuring-issue-templates-for-your-repository)
> [!IMPORTANT]
> The folder `.github/ISSUE_TEMPLATE` is predetermined by GitHub.
### `.github/ISSUE_TEMPLATE/config.yaml`
Issue template chooser configuration. The file is used to configure the dialog when a new issue is created.
Further documentation:
- [Configuring issue templates for your repository](https://docs.github.com/en/communities/using-templates-to-encourage-useful-issues-and-pull-requests/configuring-issue-templates-for-your-repository)
> [!IMPORTANT]
> The filename `.github/ISSUE_TEMPLATE/config.yaml` is predetermined by GitHub.
### `.github/labeler.yml`
Configuration file for the "Pull Request Labeler" workflow defined in `workflows/labeler.yml`. This file defines rules how labels are assigned to pull requests based on which files are changed.
Further documentation:
- [Label manager for PRs and issues based on configurable conditions](https://github.com/srvaroa/labeler)
> [!NOTE]
> The filename defaults to `.github/labeler.yml` and can be configured in the workflow.
### `.github/PULL_REQUEST_TEMPLATE.md`
The pull request template which prefills new pull requests.
Further documentation:
- [Creating a pull request template for your repository](https://docs.github.com/en/communities/using-templates-to-encourage-useful-issues-and-pull-requests/creating-a-pull-request-template-for-your-repository)
> [!IMPORTANT]
> The filename `.github/PULL_REQUEST_TEMPLATE.md` is predetermined by GitHub.
### `.github/SECURITY.md`
The goal is to describe how to securely report security vulnerabilities for this repository. The security policy is linked at <https://github.com/nlohmann/json/security/policy>.
Further documentation:
- [Adding a security policy to your repository](https://docs.github.com/en/code-security/getting-started/adding-a-security-policy-to-your-repository)
> [!IMPORTANT]
> The filename `.github/SECURITY.yml` is predetermined by GitHub.
> [!NOTE]
> The file is part of the documentation and is included in `docs/mkdocs/docs/community/security_policy.md`.
### `LICENSE.MIT`
The license of the project.
Further documentation:
- [Adding a license to a repository](https://docs.github.com/en/communities/setting-up-your-project-for-healthy-contributions/adding-a-license-to-a-repository)
> [!IMPORTANT]
> The filename `LICENSE.MIT` is partly predetermined by GitHub. The root filename must be `LICENSE`.
## REUSE
### `.reuse/dep5`
The file defines the licenses of certain third-party component in the repository. The root `Makefile` contains a target `reuse` that checks for compliance.
Further documentation:
- [DEP5](https://reuse.software/spec-3.2/#dep5-deprecated)
- [reuse command-line tool](https://pypi.org/project/reuse/)
- [documentation of linting](https://reuse.readthedocs.io/en/stable/man/reuse-lint.html)
- [REUSE](http://reuse.software)
> [!IMPORTANT]
> The filename `.reuse/dep5` is predetermined by REUSE. Alternatively, a `REUSE.toml` file can be used.
### `.reuse/templates`
Copyright header templates for source files. The root `Makefile` contains a target `reuse` that updates copyright headers with the templates.
Further information:
- [reuse command-line tool](https://pypi.org/project/reuse/)
- [documentation on templates](https://reuse.readthedocs.io/en/stable/man/reuse-annotate.html#cmdoption-t)
- [REUSE](http://reuse.software)
> [!IMPORTANT]
> The folder name `.reuse/templates` is predetermined by REUSE.
### `LICENSES`
A folder that contains every license of all licenses files (library and third-party code).
Further documentation:
- [REUSE specification](https://reuse.software/spec-3.3/)
> [!IMPORTANT]
> The folder name `LICENSES` is predetermined by REUSE.
## Package Managers
### `BUILD.bazel`
The file can be updated by calling
```shell
make BUILD.bazel
```
### `meson.build`
### `Package.swift`
### `WORKSPACE.bazel`

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MIT License
Copyright (c) 2013-2025 Niels Lohmann
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files.
"Object" form shall mean any form resulting from mechanical transformation or translation of a Source form, including but not limited to compiled object code, generated documentation, and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship. For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to the interfaces of, the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including the original version of the Work and any modifications or additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner or by an individual or Legal Entity authorized to submit on behalf of the copyright owner. For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for the purpose of discussing and improving the Work, but excluding communication that is conspicuously marked or otherwise designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity on behalf of whom a Contribution has been received by Licensor and subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except as stated in this section) patent license to make, have made, use, offer to sell, sell, import, and otherwise transfer the Work, where such license applies only to those patent claims licensable by such Contributor that are necessarily infringed by their Contribution(s) alone or by combination of their Contribution(s) with the Work to which such Contribution(s) was submitted. If You institute patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Work or a Contribution incorporated within the Work constitutes direct or contributory patent infringement, then any patent licenses granted to You under this License for that Work shall terminate as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the Work or Derivative Works thereof in any medium, with or without modifications, and in Source or Object form, provided that You meet the following conditions:
(a) You must give any other recipients of the Work or Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works that You distribute, all copyright, patent, trademark, and attribution notices from the Source form of the Work, excluding those notices that do not pertain to any part of the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its distribution, then any Derivative Works that You distribute must include a readable copy of the attribution notices contained within such NOTICE file, excluding those notices that do not pertain to any part of the Derivative Works, in at least one of the following places: within a NOTICE text file distributed as part of the Derivative Works; within the Source form or documentation, if provided along with the Derivative Works; or, within a display generated by the Derivative Works, if and wherever such third-party notices normally appear. The contents of the NOTICE file are for informational purposes only and do not modify the License. You may add Your own attribution notices within Derivative Works that You distribute, alongside or as an addendum to the NOTICE text from the Work, provided that such additional attribution notices cannot be construed as modifying the License.
You may add Your own copyright statement to Your modifications and may provide additional or different license terms and conditions for use, reproduction, or distribution of Your modifications, or for any such Derivative Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise complies with the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using or redistributing the Work and assume any risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following boilerplate notice, with the fields enclosed by brackets "[]" replaced with your own identifying information. (Don't include the brackets!) The text should be enclosed in the appropriate comment syntax for the file format. We also recommend that a file or class name and description of purpose be included on the same "printed page" as the copyright notice for easier identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

11
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Copyright (c) <year> <owner>.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright © 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.
Preamble
The GNU General Public License is a free, copyleft license for software and other kinds of works.
The licenses for most software and other practical works are designed to take away your freedom to share and change the works. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change all versions of a program--to make sure it remains free software for all its users. We, the Free Software Foundation, use the GNU General Public License for most of our software; it applies also to any other work released this way by its authors. You can apply it to your programs, too.
When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for them if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs, and that you know you can do these things.
To protect your rights, we need to prevent others from denying you these rights or asking you to surrender the rights. Therefore, you have certain responsibilities if you distribute copies of the software, or if you modify it: responsibilities to respect the freedom of others.
For example, if you distribute copies of such a program, whether gratis or for a fee, you must pass on to the recipients the same freedoms that you received. You must make sure that they, too, receive or can get the source code. And you must show them these terms so they know their rights.
Developers that use the GNU GPL protect your rights with two steps: (1) assert copyright on the software, and (2) offer you this License giving you legal permission to copy, distribute and/or modify it.
For the developers' and authors' protection, the GPL clearly explains that there is no warranty for this free software. For both users' and authors' sake, the GPL requires that modified versions be marked as changed, so that their problems will not be attributed erroneously to authors of previous versions.
Some devices are designed to deny users access to install or run modified versions of the software inside them, although the manufacturer can do so. This is fundamentally incompatible with the aim of protecting users' freedom to change the software. The systematic pattern of such abuse occurs in the area of products for individuals to use, which is precisely where it is most unacceptable. Therefore, we have designed this version of the GPL to prohibit the practice for those products. If such problems arise substantially in other domains, we stand ready to extend this provision to those domains in future versions of the GPL, as needed to protect the freedom of users.
Finally, every program is threatened constantly by software patents. States should not allow patents to restrict development and use of software on general-purpose computers, but in those that do, we wish to avoid the special danger that patents applied to a free program could make it effectively proprietary. To prevent this, the GPL assures that patents cannot be used to render the program non-free.
The precise terms and conditions for copying, distribution and modification follow.
TERMS AND CONDITIONS
0. Definitions.
“This License” refers to version 3 of the GNU General Public License.
“Copyright” also means copyright-like laws that apply to other kinds of works, such as semiconductor masks.
“The Program” refers to any copyrightable work licensed under this License. Each licensee is addressed as “you”. “Licensees” and “recipients” may be individuals or organizations.
To “modify” a work means to copy from or adapt all or part of the work in a fashion requiring copyright permission, other than the making of an exact copy. The resulting work is called a “modified version” of the earlier work or a work “based on” the earlier work.
A “covered work” means either the unmodified Program or a work based on the Program.
To “propagate” a work means to do anything with it that, without permission, would make you directly or secondarily liable for infringement under applicable copyright law, except executing it on a computer or modifying a private copy. Propagation includes copying, distribution (with or without modification), making available to the public, and in some countries other activities as well.
To “convey” a work means any kind of propagation that enables other parties to make or receive copies. Mere interaction with a user through a computer network, with no transfer of a copy, is not conveying.
An interactive user interface displays “Appropriate Legal Notices” to the extent that it includes a convenient and prominently visible feature that (1) displays an appropriate copyright notice, and (2) tells the user that there is no warranty for the work (except to the extent that warranties are provided), that licensees may convey the work under this License, and how to view a copy of this License. If the interface presents a list of user commands or options, such as a menu, a prominent item in the list meets this criterion.
1. Source Code.
The “source code” for a work means the preferred form of the work for making modifications to it. “Object code” means any non-source form of a work.
A “Standard Interface” means an interface that either is an official standard defined by a recognized standards body, or, in the case of interfaces specified for a particular programming language, one that is widely used among developers working in that language.
The “System Libraries” of an executable work include anything, other than the work as a whole, that (a) is included in the normal form of packaging a Major Component, but which is not part of that Major Component, and (b) serves only to enable use of the work with that Major Component, or to implement a Standard Interface for which an implementation is available to the public in source code form. A “Major Component”, in this context, means a major essential component (kernel, window system, and so on) of the specific operating system (if any) on which the executable work runs, or a compiler used to produce the work, or an object code interpreter used to run it.
The “Corresponding Source” for a work in object code form means all the source code needed to generate, install, and (for an executable work) run the object code and to modify the work, including scripts to control those activities. However, it does not include the work's System Libraries, or general-purpose tools or generally available free programs which are used unmodified in performing those activities but which are not part of the work. For example, Corresponding Source includes interface definition files associated with source files for the work, and the source code for shared libraries and dynamically linked subprograms that the work is specifically designed to require, such as by intimate data communication or control flow between those subprograms and other parts of the work.
The Corresponding Source need not include anything that users can regenerate automatically from other parts of the Corresponding Source.
The Corresponding Source for a work in source code form is that same work.
2. Basic Permissions.
All rights granted under this License are granted for the term of copyright on the Program, and are irrevocable provided the stated conditions are met. This License explicitly affirms your unlimited permission to run the unmodified Program. The output from running a covered work is covered by this License only if the output, given its content, constitutes a covered work. This License acknowledges your rights of fair use or other equivalent, as provided by copyright law.
You may make, run and propagate covered works that you do not convey, without conditions so long as your license otherwise remains in force. You may convey covered works to others for the sole purpose of having them make modifications exclusively for you, or provide you with facilities for running those works, provided that you comply with the terms of this License in conveying all material for which you do not control copyright. Those thus making or running the covered works for you must do so exclusively on your behalf, under your direction and control, on terms that prohibit them from making any copies of your copyrighted material outside their relationship with you.
Conveying under any other circumstances is permitted solely under the conditions stated below. Sublicensing is not allowed; section 10 makes it unnecessary.
3. Protecting Users' Legal Rights From Anti-Circumvention Law.
No covered work shall be deemed part of an effective technological measure under any applicable law fulfilling obligations under article 11 of the WIPO copyright treaty adopted on 20 December 1996, or similar laws prohibiting or restricting circumvention of such measures.
When you convey a covered work, you waive any legal power to forbid circumvention of technological measures to the extent such circumvention is effected by exercising rights under this License with respect to the covered work, and you disclaim any intention to limit operation or modification of the work as a means of enforcing, against the work's users, your or third parties' legal rights to forbid circumvention of technological measures.
4. Conveying Verbatim Copies.
You may convey verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice; keep intact all notices stating that this License and any non-permissive terms added in accord with section 7 apply to the code; keep intact all notices of the absence of any warranty; and give all recipients a copy of this License along with the Program.
You may charge any price or no price for each copy that you convey, and you may offer support or warranty protection for a fee.
5. Conveying Modified Source Versions.
You may convey a work based on the Program, or the modifications to produce it from the Program, in the form of source code under the terms of section 4, provided that you also meet all of these conditions:
a) The work must carry prominent notices stating that you modified it, and giving a relevant date.
b) The work must carry prominent notices stating that it is released under this License and any conditions added under section 7. This requirement modifies the requirement in section 4 to “keep intact all notices”.
c) You must license the entire work, as a whole, under this License to anyone who comes into possession of a copy. This License will therefore apply, along with any applicable section 7 additional terms, to the whole of the work, and all its parts, regardless of how they are packaged. This License gives no permission to license the work in any other way, but it does not invalidate such permission if you have separately received it.
d) If the work has interactive user interfaces, each must display Appropriate Legal Notices; however, if the Program has interactive interfaces that do not display Appropriate Legal Notices, your work need not make them do so.
A compilation of a covered work with other separate and independent works, which are not by their nature extensions of the covered work, and which are not combined with it such as to form a larger program, in or on a volume of a storage or distribution medium, is called an “aggregate” if the compilation and its resulting copyright are not used to limit the access or legal rights of the compilation's users beyond what the individual works permit. Inclusion of a covered work in an aggregate does not cause this License to apply to the other parts of the aggregate.
6. Conveying Non-Source Forms.
You may convey a covered work in object code form under the terms of sections 4 and 5, provided that you also convey the machine-readable Corresponding Source under the terms of this License, in one of these ways:
a) Convey the object code in, or embodied in, a physical product (including a physical distribution medium), accompanied by the Corresponding Source fixed on a durable physical medium customarily used for software interchange.
b) Convey the object code in, or embodied in, a physical product (including a physical distribution medium), accompanied by a written offer, valid for at least three years and valid for as long as you offer spare parts or customer support for that product model, to give anyone who possesses the object code either (1) a copy of the Corresponding Source for all the software in the product that is covered by this License, on a durable physical medium customarily used for software interchange, for a price no more than your reasonable cost of physically performing this conveying of source, or (2) access to copy the Corresponding Source from a network server at no charge.
c) Convey individual copies of the object code with a copy of the written offer to provide the Corresponding Source. This alternative is allowed only occasionally and noncommercially, and only if you received the object code with such an offer, in accord with subsection 6b.
d) Convey the object code by offering access from a designated place (gratis or for a charge), and offer equivalent access to the Corresponding Source in the same way through the same place at no further charge. You need not require recipients to copy the Corresponding Source along with the object code. If the place to copy the object code is a network server, the Corresponding Source may be on a different server (operated by you or a third party) that supports equivalent copying facilities, provided you maintain clear directions next to the object code saying where to find the Corresponding Source. Regardless of what server hosts the Corresponding Source, you remain obligated to ensure that it is available for as long as needed to satisfy these requirements.
e) Convey the object code using peer-to-peer transmission, provided you inform other peers where the object code and Corresponding Source of the work are being offered to the general public at no charge under subsection 6d.
A separable portion of the object code, whose source code is excluded from the Corresponding Source as a System Library, need not be included in conveying the object code work.
A “User Product” is either (1) a “consumer product”, which means any tangible personal property which is normally used for personal, family, or household purposes, or (2) anything designed or sold for incorporation into a dwelling. In determining whether a product is a consumer product, doubtful cases shall be resolved in favor of coverage. For a particular product received by a particular user, “normally used” refers to a typical or common use of that class of product, regardless of the status of the particular user or of the way in which the particular user actually uses, or expects or is expected to use, the product. A product is a consumer product regardless of whether the product has substantial commercial, industrial or non-consumer uses, unless such uses represent the only significant mode of use of the product.
“Installation Information” for a User Product means any methods, procedures, authorization keys, or other information required to install and execute modified versions of a covered work in that User Product from a modified version of its Corresponding Source. The information must suffice to ensure that the continued functioning of the modified object code is in no case prevented or interfered with solely because modification has been made.
If you convey an object code work under this section in, or with, or specifically for use in, a User Product, and the conveying occurs as part of a transaction in which the right of possession and use of the User Product is transferred to the recipient in perpetuity or for a fixed term (regardless of how the transaction is characterized), the Corresponding Source conveyed under this section must be accompanied by the Installation Information. But this requirement does not apply if neither you nor any third party retains the ability to install modified object code on the User Product (for example, the work has been installed in ROM).
The requirement to provide Installation Information does not include a requirement to continue to provide support service, warranty, or updates for a work that has been modified or installed by the recipient, or for the User Product in which it has been modified or installed. Access to a network may be denied when the modification itself materially and adversely affects the operation of the network or violates the rules and protocols for communication across the network.
Corresponding Source conveyed, and Installation Information provided, in accord with this section must be in a format that is publicly documented (and with an implementation available to the public in source code form), and must require no special password or key for unpacking, reading or copying.
7. Additional Terms.
“Additional permissions” are terms that supplement the terms of this License by making exceptions from one or more of its conditions. Additional permissions that are applicable to the entire Program shall be treated as though they were included in this License, to the extent that they are valid under applicable law. If additional permissions apply only to part of the Program, that part may be used separately under those permissions, but the entire Program remains governed by this License without regard to the additional permissions.
When you convey a copy of a covered work, you may at your option remove any additional permissions from that copy, or from any part of it. (Additional permissions may be written to require their own removal in certain cases when you modify the work.) You may place additional permissions on material, added by you to a covered work, for which you have or can give appropriate copyright permission.
Notwithstanding any other provision of this License, for material you add to a covered work, you may (if authorized by the copyright holders of that material) supplement the terms of this License with terms:
a) Disclaiming warranty or limiting liability differently from the terms of sections 15 and 16 of this License; or
b) Requiring preservation of specified reasonable legal notices or author attributions in that material or in the Appropriate Legal Notices displayed by works containing it; or
c) Prohibiting misrepresentation of the origin of that material, or requiring that modified versions of such material be marked in reasonable ways as different from the original version; or
d) Limiting the use for publicity purposes of names of licensors or authors of the material; or
e) Declining to grant rights under trademark law for use of some trade names, trademarks, or service marks; or
f) Requiring indemnification of licensors and authors of that material by anyone who conveys the material (or modified versions of it) with contractual assumptions of liability to the recipient, for any liability that these contractual assumptions directly impose on those licensors and authors.
All other non-permissive additional terms are considered “further restrictions” within the meaning of section 10. If the Program as you received it, or any part of it, contains a notice stating that it is governed by this License along with a term that is a further restriction, you may remove that term. If a license document contains a further restriction but permits relicensing or conveying under this License, you may add to a covered work material governed by the terms of that license document, provided that the further restriction does not survive such relicensing or conveying.
If you add terms to a covered work in accord with this section, you must place, in the relevant source files, a statement of the additional terms that apply to those files, or a notice indicating where to find the applicable terms.
Additional terms, permissive or non-permissive, may be stated in the form of a separately written license, or stated as exceptions; the above requirements apply either way.
8. Termination.
You may not propagate or modify a covered work except as expressly provided under this License. Any attempt otherwise to propagate or modify it is void, and will automatically terminate your rights under this License (including any patent licenses granted under the third paragraph of section 11).
However, if you cease all violation of this License, then your license from a particular copyright holder is reinstated (a) provisionally, unless and until the copyright holder explicitly and finally terminates your license, and (b) permanently, if the copyright holder fails to notify you of the violation by some reasonable means prior to 60 days after the cessation.
Moreover, your license from a particular copyright holder is reinstated permanently if the copyright holder notifies you of the violation by some reasonable means, this is the first time you have received notice of violation of this License (for any work) from that copyright holder, and you cure the violation prior to 30 days after your receipt of the notice.
Termination of your rights under this section does not terminate the licenses of parties who have received copies or rights from you under this License. If your rights have been terminated and not permanently reinstated, you do not qualify to receive new licenses for the same material under section 10.
9. Acceptance Not Required for Having Copies.
You are not required to accept this License in order to receive or run a copy of the Program. Ancillary propagation of a covered work occurring solely as a consequence of using peer-to-peer transmission to receive a copy likewise does not require acceptance. However, nothing other than this License grants you permission to propagate or modify any covered work. These actions infringe copyright if you do not accept this License. Therefore, by modifying or propagating a covered work, you indicate your acceptance of this License to do so.
10. Automatic Licensing of Downstream Recipients.
Each time you convey a covered work, the recipient automatically receives a license from the original licensors, to run, modify and propagate that work, subject to this License. You are not responsible for enforcing compliance by third parties with this License.
An “entity transaction” is a transaction transferring control of an organization, or substantially all assets of one, or subdividing an organization, or merging organizations. If propagation of a covered work results from an entity transaction, each party to that transaction who receives a copy of the work also receives whatever licenses to the work the party's predecessor in interest had or could give under the previous paragraph, plus a right to possession of the Corresponding Source of the work from the predecessor in interest, if the predecessor has it or can get it with reasonable efforts.
You may not impose any further restrictions on the exercise of the rights granted or affirmed under this License. For example, you may not impose a license fee, royalty, or other charge for exercise of rights granted under this License, and you may not initiate litigation (including a cross-claim or counterclaim in a lawsuit) alleging that any patent claim is infringed by making, using, selling, offering for sale, or importing the Program or any portion of it.
11. Patents.
A “contributor” is a copyright holder who authorizes use under this License of the Program or a work on which the Program is based. The work thus licensed is called the contributor's “contributor version”.
A contributor's “essential patent claims” are all patent claims owned or controlled by the contributor, whether already acquired or hereafter acquired, that would be infringed by some manner, permitted by this License, of making, using, or selling its contributor version, but do not include claims that would be infringed only as a consequence of further modification of the contributor version. For purposes of this definition, “control” includes the right to grant patent sublicenses in a manner consistent with the requirements of this License.
Each contributor grants you a non-exclusive, worldwide, royalty-free patent license under the contributor's essential patent claims, to make, use, sell, offer for sale, import and otherwise run, modify and propagate the contents of its contributor version.
In the following three paragraphs, a “patent license” is any express agreement or commitment, however denominated, not to enforce a patent (such as an express permission to practice a patent or covenant not to sue for patent infringement). To “grant” such a patent license to a party means to make such an agreement or commitment not to enforce a patent against the party.
If you convey a covered work, knowingly relying on a patent license, and the Corresponding Source of the work is not available for anyone to copy, free of charge and under the terms of this License, through a publicly available network server or other readily accessible means, then you must either (1) cause the Corresponding Source to be so available, or (2) arrange to deprive yourself of the benefit of the patent license for this particular work, or (3) arrange, in a manner consistent with the requirements of this License, to extend the patent license to downstream recipients. “Knowingly relying” means you have actual knowledge that, but for the patent license, your conveying the covered work in a country, or your recipient's use of the covered work in a country, would infringe one or more identifiable patents in that country that you have reason to believe are valid.
If, pursuant to or in connection with a single transaction or arrangement, you convey, or propagate by procuring conveyance of, a covered work, and grant a patent license to some of the parties receiving the covered work authorizing them to use, propagate, modify or convey a specific copy of the covered work, then the patent license you grant is automatically extended to all recipients of the covered work and works based on it.
A patent license is “discriminatory” if it does not include within the scope of its coverage, prohibits the exercise of, or is conditioned on the non-exercise of one or more of the rights that are specifically granted under this License. You may not convey a covered work if you are a party to an arrangement with a third party that is in the business of distributing software, under which you make payment to the third party based on the extent of your activity of conveying the work, and under which the third party grants, to any of the parties who would receive the covered work from you, a discriminatory patent license (a) in connection with copies of the covered work conveyed by you (or copies made from those copies), or (b) primarily for and in connection with specific products or compilations that contain the covered work, unless you entered into that arrangement, or that patent license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting any implied license or other defenses to infringement that may otherwise be available to you under applicable patent law.
12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot convey a covered work so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not convey it at all. For example, if you agree to terms that obligate you to collect a royalty for further conveying from those to whom you convey the Program, the only way you could satisfy both those terms and this License would be to refrain entirely from conveying the Program.
13. Use with the GNU Affero General Public License.
Notwithstanding any other provision of this License, you have permission to link or combine any covered work with a work licensed under version 3 of the GNU Affero General Public License into a single combined work, and to convey the resulting work. The terms of this License will continue to apply to the part which is the covered work, but the special requirements of the GNU Affero General Public License, section 13, concerning interaction through a network will apply to the combination as such.
14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions of the GNU General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns.
Each version is given a distinguishing version number. If the Program specifies that a certain numbered version of the GNU General Public License “or any later version” applies to it, you have the option of following the terms and conditions either of that numbered version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of the GNU General Public License, you may choose any version ever published by the Free Software Foundation.
If the Program specifies that a proxy can decide which future versions of the GNU General Public License can be used, that proxy's public statement of acceptance of a version permanently authorizes you to choose that version for the Program.
Later license versions may give you additional or different permissions. However, no additional obligations are imposed on any author or copyright holder as a result of your choosing to follow a later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided above cannot be given local legal effect according to their terms, reviewing courts shall apply local law that most closely approximates an absolute waiver of all civil liability in connection with the Program, unless a warranty or assumption of liability accompanies a copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively state the exclusion of warranty; and each file should have at least the “copyright” line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, your program's commands might be different; for a GUI interface, you would use an “about box”.
You should also get your employer (if you work as a programmer) or school, if any, to sign a “copyright disclaimer” for the program, if necessary. For more information on this, and how to apply and follow the GNU GPL, see <http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. But first, please read <http://www.gnu.org/philosophy/why-not-lgpl.html>.

9
external/json/LICENSES/MIT.txt vendored
View File

@@ -1,9 +0,0 @@
MIT License
Copyright (c) <year> <copyright holders>
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

7
external/json/MODULE.bazel vendored
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@@ -1,7 +0,0 @@
module(
name = "nlohmann_json",
compatibility_level = 1,
)
bazel_dep(name = "rules_cc", version = "0.0.17")
bazel_dep(name = "rules_license", version = "1.0.0")

266
external/json/Makefile vendored
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@@ -1,266 +0,0 @@
.PHONY: pretty clean ChangeLog.md release
##########################################################################
# configuration
##########################################################################
# find GNU sed to use `-i` parameter
SED:=$(shell command -v gsed || which sed)
##########################################################################
# source files
##########################################################################
# the list of sources in the include folder
SRCS=$(shell find include -type f | sort)
# the list of sources in the tests folder
TESTS_SRCS=$(shell find tests -type f \( -name '*.hpp' -o -name '*.cpp' -o -name '*.cu' \) -not -path 'tests/thirdparty/*' -not -path 'tests/abi/include/nlohmann/*' | sort)
# the single headers (amalgamated from the source files)
AMALGAMATED_FILE=single_include/nlohmann/json.hpp
AMALGAMATED_FWD_FILE=single_include/nlohmann/json_fwd.hpp
##########################################################################
# documentation of the Makefile's targets
##########################################################################
# main target
all:
@echo "amalgamate - amalgamate files single_include/nlohmann/json{,_fwd}.hpp from the include/nlohmann sources"
@echo "ChangeLog.md - generate ChangeLog file"
@echo "check-amalgamation - check whether sources have been amalgamated"
@echo "clean - remove built files"
@echo "doctest - compile example files and check their output"
@echo "fuzz_testing - prepare fuzz testing of the JSON parser"
@echo "fuzz_testing_bson - prepare fuzz testing of the BSON parser"
@echo "fuzz_testing_cbor - prepare fuzz testing of the CBOR parser"
@echo "fuzz_testing_msgpack - prepare fuzz testing of the MessagePack parser"
@echo "fuzz_testing_ubjson - prepare fuzz testing of the UBJSON parser"
@echo "pretty - beautify code with Artistic Style"
@echo "run_benchmarks - build and run benchmarks"
##########################################################################
# benchmarks
##########################################################################
run_benchmarks:
rm -fr cmake-build-benchmarks
mkdir cmake-build-benchmarks
cd cmake-build-benchmarks ; cmake ../tests/benchmarks -GNinja -DCMAKE_BUILD_TYPE=Release
cd cmake-build-benchmarks ; ninja
cd cmake-build-benchmarks ; ./json_benchmarks
##########################################################################
# fuzzing
##########################################################################
# the overall fuzz testing target
fuzz_testing:
rm -fr fuzz-testing
mkdir -p fuzz-testing fuzz-testing/testcases fuzz-testing/out
$(MAKE) parse_afl_fuzzer -C tests CXX=afl-clang++
mv tests/parse_afl_fuzzer fuzz-testing/fuzzer
find tests/data/json_tests -size -5k -name *json | xargs -I{} cp "{}" fuzz-testing/testcases
@echo "Execute: afl-fuzz -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer"
fuzz_testing_bson:
rm -fr fuzz-testing
mkdir -p fuzz-testing fuzz-testing/testcases fuzz-testing/out
$(MAKE) parse_bson_fuzzer -C tests CXX=afl-clang++
mv tests/parse_bson_fuzzer fuzz-testing/fuzzer
find tests/data -size -5k -name *.bson | xargs -I{} cp "{}" fuzz-testing/testcases
@echo "Execute: afl-fuzz -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer"
fuzz_testing_cbor:
rm -fr fuzz-testing
mkdir -p fuzz-testing fuzz-testing/testcases fuzz-testing/out
$(MAKE) parse_cbor_fuzzer -C tests CXX=afl-clang++
mv tests/parse_cbor_fuzzer fuzz-testing/fuzzer
find tests/data -size -5k -name *.cbor | xargs -I{} cp "{}" fuzz-testing/testcases
@echo "Execute: afl-fuzz -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer"
fuzz_testing_msgpack:
rm -fr fuzz-testing
mkdir -p fuzz-testing fuzz-testing/testcases fuzz-testing/out
$(MAKE) parse_msgpack_fuzzer -C tests CXX=afl-clang++
mv tests/parse_msgpack_fuzzer fuzz-testing/fuzzer
find tests/data -size -5k -name *.msgpack | xargs -I{} cp "{}" fuzz-testing/testcases
@echo "Execute: afl-fuzz -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer"
fuzz_testing_ubjson:
rm -fr fuzz-testing
mkdir -p fuzz-testing fuzz-testing/testcases fuzz-testing/out
$(MAKE) parse_ubjson_fuzzer -C tests CXX=afl-clang++
mv tests/parse_ubjson_fuzzer fuzz-testing/fuzzer
find tests/data -size -5k -name *.ubjson | xargs -I{} cp "{}" fuzz-testing/testcases
@echo "Execute: afl-fuzz -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer"
fuzzing-start:
afl-fuzz -S fuzzer1 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
afl-fuzz -S fuzzer2 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
afl-fuzz -S fuzzer3 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
afl-fuzz -S fuzzer4 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
afl-fuzz -S fuzzer5 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
afl-fuzz -S fuzzer6 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
afl-fuzz -S fuzzer7 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer > /dev/null &
afl-fuzz -M fuzzer0 -i fuzz-testing/testcases -o fuzz-testing/out fuzz-testing/fuzzer
fuzzing-stop:
-killall fuzzer
-killall afl-fuzz
##########################################################################
# Static analysis
##########################################################################
# call PVS-Studio Analyzer <https://www.viva64.com/en/pvs-studio/>
pvs_studio:
rm -fr cmake-build-pvs-studio
mkdir cmake-build-pvs-studio
cd cmake-build-pvs-studio ; cmake .. -DCMAKE_EXPORT_COMPILE_COMMANDS=On -DJSON_MultipleHeaders=ON
cd cmake-build-pvs-studio ; pvs-studio-analyzer analyze -j 10
cd cmake-build-pvs-studio ; plog-converter -a'GA:1,2;64:1;CS' -t fullhtml PVS-Studio.log -o pvs
open cmake-build-pvs-studio/pvs/index.html
##########################################################################
# Code format and source amalgamation
##########################################################################
ASTYLE=tools/astyle/venv/bin/astyle
install_astyle:
@test -d tools/astyle/venv || python3 -mvenv tools/astyle/venv ; tools/astyle/venv/bin/pip3 install --quiet --upgrade pip
@test -f $(ASTYLE) || tools/astyle/venv/bin/pip3 install --quiet -r tools/astyle/requirements.txt
@$(ASTYLE) --version
# call the Artistic Style pretty printer on all source files
pretty: install_astyle
$(ASTYLE) --project=tools/astyle/.astylerc $(SRCS) $(TESTS_SRCS) $(AMALGAMATED_FILE) $(AMALGAMATED_FWD_FILE) docs/mkdocs/docs/examples/*.cpp
# call the Clang-Format on all source files
pretty_format:
for FILE in $(SRCS) $(TESTS_SRCS) $(AMALGAMATED_FILE) docs/mkdocs/docs/examples/*.cpp; do echo $$FILE; clang-format -i $$FILE; done
# create single header files and pretty print
amalgamate: $(AMALGAMATED_FILE) $(AMALGAMATED_FWD_FILE)
$(MAKE) pretty
# call the amalgamation tool for json.hpp
$(AMALGAMATED_FILE): $(SRCS)
tools/amalgamate/amalgamate.py -c tools/amalgamate/config_json.json -s . --verbose=yes
# call the amalgamation tool for json_fwd.hpp
$(AMALGAMATED_FWD_FILE): $(SRCS)
tools/amalgamate/amalgamate.py -c tools/amalgamate/config_json_fwd.json -s . --verbose=yes
# check if file single_include/nlohmann/json.hpp has been amalgamated from the nlohmann sources
# Note: this target is called by Travis
check-amalgamation:
@mv $(AMALGAMATED_FILE) $(AMALGAMATED_FILE)~
@mv $(AMALGAMATED_FWD_FILE) $(AMALGAMATED_FWD_FILE)~
@$(MAKE) amalgamate
@diff $(AMALGAMATED_FILE) $(AMALGAMATED_FILE)~ || (echo "===================================================================\n Amalgamation required! Please read the contribution guidelines\n in file .github/CONTRIBUTING.md.\n===================================================================" ; mv $(AMALGAMATED_FILE)~ $(AMALGAMATED_FILE) ; false)
@diff $(AMALGAMATED_FWD_FILE) $(AMALGAMATED_FWD_FILE)~ || (echo "===================================================================\n Amalgamation required! Please read the contribution guidelines\n in file .github/CONTRIBUTING.md.\n===================================================================" ; mv $(AMALGAMATED_FWD_FILE)~ $(AMALGAMATED_FWD_FILE) ; false)
@mv $(AMALGAMATED_FILE)~ $(AMALGAMATED_FILE)
@mv $(AMALGAMATED_FWD_FILE)~ $(AMALGAMATED_FWD_FILE)
BUILD.bazel: $(SRCS)
cmake -P cmake/scripts/gen_bazel_build_file.cmake
##########################################################################
# ChangeLog
##########################################################################
# Create a ChangeLog based on the git log using the GitHub Changelog Generator
# (<https://github.com/github-changelog-generator/github-changelog-generator>).
# variable to control the diffs between the last released version and the current repository state
NEXT_VERSION ?= "unreleased"
ChangeLog.md:
github_changelog_generator -o ChangeLog.md --user nlohmann --project json --simple-list --release-url https://github.com/nlohmann/json/releases/tag/%s --future-release $(NEXT_VERSION)
$(SED) -i 's|https://github.com/nlohmann/json/releases/tag/HEAD|https://github.com/nlohmann/json/tree/HEAD|' ChangeLog.md
$(SED) -i '2i All notable changes to this project will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org/).' ChangeLog.md
##########################################################################
# Release files
##########################################################################
# Create a tar.xz archive that contains sufficient files to be used as CMake project (e.g., using FetchContent). The
# archive is created according to the advices of <https://reproducible-builds.org/docs/archives/>.
json.tar.xz:
mkdir json
rsync -R $(shell find LICENSE.MIT nlohmann_json.natvis CMakeLists.txt cmake/*.in include single_include -type f) json
gtar --sort=name --mtime="@$(shell git log -1 --pretty=%ct)" --owner=0 --group=0 --numeric-owner --pax-option=exthdr.name=%d/PaxHeaders/%f,delete=atime,delete=ctime --create --file - json | xz --compress -9e --threads=2 - > json.tar.xz
rm -fr json
# We use `-X` to make the resulting ZIP file reproducible, see
# <https://content.pivotal.io/blog/barriers-to-deterministic-reproducible-zip-files>.
include.zip: BUILD.bazel
zip -9 --recurse-paths -X include.zip $(SRCS) $(AMALGAMATED_FILE) $(AMALGAMATED_FWD_FILE) BUILD.bazel WORKSPACE.bazel meson.build LICENSE.MIT
# Create the files for a release and add signatures and hashes.
release: include.zip json.tar.xz
rm -fr release_files
mkdir release_files
gpg --armor --detach-sig include.zip
gpg --armor --detach-sig $(AMALGAMATED_FILE)
gpg --armor --detach-sig $(AMALGAMATED_FWD_FILE)
gpg --armor --detach-sig json.tar.xz
cp $(AMALGAMATED_FILE) release_files
cp $(AMALGAMATED_FWD_FILE) release_files
mv $(AMALGAMATED_FILE).asc $(AMALGAMATED_FWD_FILE).asc json.tar.xz json.tar.xz.asc include.zip include.zip.asc release_files
cd release_files ; shasum -a 256 json.hpp include.zip json.tar.xz > hashes.txt
##########################################################################
# Maintenance
##########################################################################
# clean up
clean:
rm -fr fuzz fuzz-testing *.dSYM tests/*.dSYM
rm -fr benchmarks/files/numbers/*.json
rm -fr cmake-build-benchmarks fuzz-testing cmake-build-pvs-studio release_files
$(MAKE) clean -Cdocs
##########################################################################
# Thirdparty code
##########################################################################
update_hedley:
rm -f include/nlohmann/thirdparty/hedley/hedley.hpp include/nlohmann/thirdparty/hedley/hedley_undef.hpp
curl https://raw.githubusercontent.com/nemequ/hedley/master/hedley.h -o include/nlohmann/thirdparty/hedley/hedley.hpp
$(SED) -i 's/HEDLEY_/JSON_HEDLEY_/g' include/nlohmann/thirdparty/hedley/hedley.hpp
grep "[[:blank:]]*#[[:blank:]]*undef" include/nlohmann/thirdparty/hedley/hedley.hpp | grep -v "__" | sort | uniq | $(SED) 's/ //g' | $(SED) 's/undef/undef /g' > include/nlohmann/thirdparty/hedley/hedley_undef.hpp
$(SED) -i '1s/^/#pragma once\n\n/' include/nlohmann/thirdparty/hedley/hedley.hpp
$(SED) -i '1s/^/#pragma once\n\n/' include/nlohmann/thirdparty/hedley/hedley_undef.hpp
$(MAKE) amalgamate
##########################################################################
# serve_header.py
##########################################################################
serve_header:
./tools/serve_header/serve_header.py --make $(MAKE)
##########################################################################
# REUSE
##########################################################################
reuse:
pipx run reuse annotate --recursive single_include include -tjson --license MIT --copyright "Niels Lohmann <https://nlohmann.me>" --year "2013-2025" --merge-copyrights
pipx run reuse annotate $(TESTS_SRCS) -tjson_support --license MIT --copyright "Niels Lohmann <https://nlohmann.me>" --year "2013-2025" --merge-copyrights
pipx run reuse lint
spdx:
pipx run reuse spdx --output nlohmann_json.spdx --creator-person "Niels Lohmann" --add-license-concluded

22
external/json/Package.swift vendored
View File

@@ -1,22 +0,0 @@
// swift-tools-version: 5.9
// The swift-tools-version declares the minimum version of Swift required to build this package.
import PackageDescription
let package = Package(
name: "nlohmann-json",
platforms: [
.iOS(.v12), .macOS(.v10_13), .tvOS(.v12), .watchOS(.v4), .visionOS(.v1)
],
products: [
.library(name: "json", targets: ["json"])
],
targets: [
.target(
name: "json",
path: "single_include/nlohmann",
publicHeadersPath: "."
)
],
cxxLanguageStandard: .cxx11
)

1866
external/json/README.md vendored
View File

File diff suppressed because it is too large Load Diff

713
external/json/cmake/ci.cmake vendored
View File

@@ -1,713 +0,0 @@
# number of parallel jobs for CTest
set(N 10)
###############################################################################
# Needed tools.
###############################################################################
include(FindPython3)
find_package(Python3 COMPONENTS Interpreter)
find_program(CLANG_TOOL NAMES clang++-HEAD clang++ clang++-20 clang++-19 clang++-18 clang++-17 clang++-16 clang++-15 clang++-14 clang++-13 clang++-12 clang++-11 clang++)
execute_process(COMMAND ${CLANG_TOOL} --version OUTPUT_VARIABLE CLANG_TOOL_VERSION ERROR_VARIABLE CLANG_TOOL_VERSION)
string(REGEX MATCH "[0-9]+(\\.[0-9]+)+" CLANG_TOOL_VERSION "${CLANG_TOOL_VERSION}")
message(STATUS "🔖 Clang ${CLANG_TOOL_VERSION} (${CLANG_TOOL})")
find_program(CLANG_TIDY_TOOL NAMES clang-tidy-20 clang-tidy-19 clang-tidy-18 clang-tidy-17 clang-tidy-16 clang-tidy-15 clang-tidy-14 clang-tidy-13 clang-tidy-12 clang-tidy-11 clang-tidy)
execute_process(COMMAND ${CLANG_TIDY_TOOL} --version OUTPUT_VARIABLE CLANG_TIDY_TOOL_VERSION ERROR_VARIABLE CLANG_TIDY_TOOL_VERSION)
string(REGEX MATCH "[0-9]+(\\.[0-9]+)+" CLANG_TIDY_TOOL_VERSION "${CLANG_TIDY_TOOL_VERSION}")
message(STATUS "🔖 Clang-Tidy ${CLANG_TIDY_TOOL_VERSION} (${CLANG_TIDY_TOOL})")
message(STATUS "🔖 CMake ${CMAKE_VERSION} (${CMAKE_COMMAND})")
find_program(GCC_TOOL NAMES g++-latest g++-HEAD g++ g++-15 g++-14 g++-13 g++-12 g++-11 g++-10)
execute_process(COMMAND ${GCC_TOOL} --version OUTPUT_VARIABLE GCC_TOOL_VERSION ERROR_VARIABLE GCC_TOOL_VERSION)
string(REGEX MATCH "[0-9]+(\\.[0-9]+)+" GCC_TOOL_VERSION "${GCC_TOOL_VERSION}")
message(STATUS "🔖 GCC ${GCC_TOOL_VERSION} (${GCC_TOOL})")
find_program(GCOV_TOOL NAMES gcov-HEAD gcov gcov-15 gcov-14 gcov-13 gcov-12 gcov-11 gcov-10)
execute_process(COMMAND ${GCOV_TOOL} --version OUTPUT_VARIABLE GCOV_TOOL_VERSION ERROR_VARIABLE GCOV_TOOL_VERSION)
string(REGEX MATCH "[0-9]+(\\.[0-9]+)+" GCOV_TOOL_VERSION "${GCOV_TOOL_VERSION}")
message(STATUS "🔖 GCOV ${GCOV_TOOL_VERSION} (${GCOV_TOOL})")
find_program(GIT_TOOL NAMES git)
execute_process(COMMAND ${GIT_TOOL} --version OUTPUT_VARIABLE GIT_TOOL_VERSION ERROR_VARIABLE GIT_TOOL_VERSION)
string(REGEX MATCH "[0-9]+(\\.[0-9]+)+" GIT_TOOL_VERSION "${GIT_TOOL_VERSION}")
message(STATUS "🔖 Git ${GIT_TOOL_VERSION} (${GIT_TOOL})")
find_program(IWYU_TOOL NAMES include-what-you-use iwyu)
execute_process(COMMAND ${IWYU_TOOL} --version OUTPUT_VARIABLE IWYU_TOOL_VERSION ERROR_VARIABLE IWYU_TOOL_VERSION)
string(REGEX MATCH "[0-9]+(\\.[0-9]+)+" IWYU_TOOL_VERSION "${IWYU_TOOL_VERSION}")
message(STATUS "🔖 include-what-you-use ${IWYU_TOOL_VERSION} (${IWYU_TOOL})")
find_program(INFER_TOOL NAMES infer)
execute_process(COMMAND ${INFER_TOOL} --version OUTPUT_VARIABLE INFER_TOOL_VERSION ERROR_VARIABLE INFER_TOOL_VERSION)
string(REGEX MATCH "[0-9]+(\\.[0-9]+)+" INFER_TOOL_VERSION "${INFER_TOOL_VERSION}")
message(STATUS "🔖 Infer ${INFER_TOOL_VERSION} (${INFER_TOOL})")
find_program(LCOV_TOOL NAMES lcov)
execute_process(COMMAND ${LCOV_TOOL} --version OUTPUT_VARIABLE LCOV_TOOL_VERSION ERROR_VARIABLE LCOV_TOOL_VERSION)
string(REGEX MATCH "[0-9]+(\\.[0-9]+)+" LCOV_TOOL_VERSION "${LCOV_TOOL_VERSION}")
message(STATUS "🔖 LCOV ${LCOV_TOOL_VERSION} (${LCOV_TOOL})")
find_program(NINJA_TOOL NAMES ninja)
execute_process(COMMAND ${NINJA_TOOL} --version OUTPUT_VARIABLE NINJA_TOOL_VERSION ERROR_VARIABLE NINJA_TOOL_VERSION)
string(REGEX MATCH "[0-9]+(\\.[0-9]+)+" NINJA_TOOL_VERSION "${NINJA_TOOL_VERSION}")
message(STATUS "🔖 Ninja ${NINJA_TOOL_VERSION} (${NINJA_TOOL})")
find_program(OCLINT_TOOL NAMES oclint-json-compilation-database)
find_program(OCLINT_VERSION_TOOL NAMES oclint)
execute_process(COMMAND ${OCLINT_VERSION_TOOL} --version OUTPUT_VARIABLE OCLINT_TOOL_VERSION ERROR_VARIABLE OCLINT_TOOL_VERSION)
string(REGEX MATCH "[0-9]+(\\.[0-9]+)+" OCLINT_TOOL_VERSION "${OCLINT_TOOL_VERSION}")
message(STATUS "🔖 OCLint ${OCLINT_TOOL_VERSION} (${OCLINT_TOOL})")
find_program(VALGRIND_TOOL NAMES valgrind)
execute_process(COMMAND ${VALGRIND_TOOL} --version OUTPUT_VARIABLE VALGRIND_TOOL_VERSION ERROR_VARIABLE VALGRIND_TOOL_VERSION)
string(REGEX MATCH "[0-9]+(\\.[0-9]+)+" VALGRIND_TOOL_VERSION "${VALGRIND_TOOL_VERSION}")
message(STATUS "🔖 Valgrind ${VALGRIND_TOOL_VERSION} (${VALGRIND_TOOL})")
find_program(GENHTML_TOOL NAMES genhtml)
find_program(PLOG_CONVERTER_TOOL NAMES plog-converter)
find_program(PVS_STUDIO_ANALYZER_TOOL NAMES pvs-studio-analyzer)
find_program(SCAN_BUILD_TOOL NAMES scan-build-15 scan-build-14 scan-build-13 scan-build-12 scan-build-11 scan-build)
# the individual source files
file(GLOB_RECURSE SRC_FILES ${PROJECT_SOURCE_DIR}/include/nlohmann/*.hpp)
###############################################################################
# Thorough check with recent compilers
###############################################################################
include(clang_flags)
include(gcc_flags)
add_custom_target(ci_test_gcc
COMMAND CXX=${GCC_TOOL} CXXFLAGS="${GCC_CXXFLAGS}" ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_gcc
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_gcc
COMMAND cd ${PROJECT_BINARY_DIR}/build_gcc && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
COMMENT "Compile and test with GCC using maximal warning flags"
)
add_custom_target(ci_test_clang
COMMAND CXX=${CLANG_TOOL} CXXFLAGS="${CLANG_CXXFLAGS}" ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_clang
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_clang
COMMAND cd ${PROJECT_BINARY_DIR}/build_clang && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
COMMENT "Compile and test with Clang using maximal warning flags"
)
###############################################################################
# Different C++ Standards.
###############################################################################
foreach(CXX_STANDARD 11 14 17 20 23 26)
add_custom_target(ci_test_gcc_cxx${CXX_STANDARD}
COMMAND CXX=${GCC_TOOL} CXXFLAGS="${GCC_CXXFLAGS}" ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON -DJSON_FastTests=ON
-DJSON_TestStandards=${CXX_STANDARD}
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_gcc_cxx${CXX_STANDARD}
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_gcc_cxx${CXX_STANDARD}
COMMAND cd ${PROJECT_BINARY_DIR}/build_gcc_cxx${CXX_STANDARD} && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
COMMENT "Compile and test with GCC for C++${CXX_STANDARD}"
)
add_custom_target(ci_test_clang_cxx${CXX_STANDARD}
COMMAND CXX=${CLANG_TOOL} CXXFLAGS="${CLANG_CXXFLAGS}" ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON -DJSON_FastTests=ON
-DJSON_TestStandards=${CXX_STANDARD}
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_clang_cxx${CXX_STANDARD}
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_clang_cxx${CXX_STANDARD}
COMMAND cd ${PROJECT_BINARY_DIR}/build_clang_cxx${CXX_STANDARD} && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
COMMENT "Compile and test with Clang for C++${CXX_STANDARD}"
)
add_custom_target(ci_test_clang_libcxx_cxx${CXX_STANDARD}
COMMAND CXX=${CLANG_TOOL} CXXFLAGS="${CLANG_CXXFLAGS}" ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON -DJSON_FastTests=ON
-DJSON_TestStandards=${CXX_STANDARD}
-DCMAKE_CXX_FLAGS="-stdlib=libc++"
-DCMAKE_EXE_LINKER_FLAGS="-lc++abi"
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_clang_cxx${CXX_STANDARD}
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_clang_cxx${CXX_STANDARD}
COMMAND cd ${PROJECT_BINARY_DIR}/build_clang_cxx${CXX_STANDARD} && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
COMMENT "Compile and test with Clang for C++${CXX_STANDARD} (libc++)"
)
endforeach()
###############################################################################
# Disable exceptions.
###############################################################################
add_custom_target(ci_test_noexceptions
COMMAND ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON -DCMAKE_CXX_FLAGS=-DJSON_NOEXCEPTION -DDOCTEST_TEST_FILTER=--no-throw
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_noexceptions
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_noexceptions
COMMAND cd ${PROJECT_BINARY_DIR}/build_noexceptions && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
COMMENT "Compile and test with exceptions switched off"
)
###############################################################################
# Disable implicit conversions.
###############################################################################
add_custom_target(ci_test_noimplicitconversions
COMMAND ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON -DJSON_ImplicitConversions=OFF
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_noimplicitconversions
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_noimplicitconversions
COMMAND cd ${PROJECT_BINARY_DIR}/build_noimplicitconversions && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
COMMENT "Compile and test with implicit conversions switched off"
)
###############################################################################
# Enable improved diagnostics.
###############################################################################
add_custom_target(ci_test_diagnostics
COMMAND ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON -DJSON_Diagnostics=ON
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_diagnostics
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_diagnostics
COMMAND cd ${PROJECT_BINARY_DIR}/build_diagnostics && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
COMMENT "Compile and test with improved diagnostics enabled"
)
###############################################################################
# Enable diagnostic positions support.
###############################################################################
add_custom_target(ci_test_diagnostic_positions
COMMAND ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON -DJSON_Diagnostic_Positions=ON
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_diagnostic_positions
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_diagnostic_positions
COMMAND cd ${PROJECT_BINARY_DIR}/build_diagnostic_positions && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
COMMENT "Compile and test with diagnostic positions enabled"
)
###############################################################################
# Enable legacy discarded value comparison.
###############################################################################
add_custom_target(ci_test_legacycomparison
COMMAND ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON -DJSON_LegacyDiscardedValueComparison=ON
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_legacycomparison
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_legacycomparison
COMMAND cd ${PROJECT_BINARY_DIR}/build_legacycomparison && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
COMMENT "Compile and test with legacy discarded value comparison enabled"
)
###############################################################################
# Disable global UDLs.
###############################################################################
add_custom_target(ci_test_noglobaludls
COMMAND ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON -DJSON_FastTests=ON -DJSON_GlobalUDLs=OFF
-DCMAKE_CXX_FLAGS=-DJSON_TEST_NO_GLOBAL_UDLS
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_noglobaludls
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_noglobaludls
COMMAND cd ${PROJECT_BINARY_DIR}/build_noglobaludls && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
COMMENT "Compile and test with global UDLs disabled"
)
###############################################################################
# Coverage.
###############################################################################
add_custom_target(ci_test_coverage
COMMAND CXX=g++ ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja -DCMAKE_CXX_FLAGS="--coverage;-fprofile-arcs;-ftest-coverage"
-DJSON_BuildTests=ON
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_coverage
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_coverage
COMMAND cd ${PROJECT_BINARY_DIR}/build_coverage && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
COMMAND CXX=g++ ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja -DCMAKE_CXX_FLAGS="-m32;--coverage;-fprofile-arcs;-ftest-coverage"
-DJSON_BuildTests=ON -DJSON_32bitTest=ONLY
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_coverage32
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_coverage32
COMMAND cd ${PROJECT_BINARY_DIR}/build_coverage32 && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
COMMAND ${LCOV_TOOL} --directory . --capture --output-file json.info --rc branch_coverage=1 --rc geninfo_unexecuted_blocks=1 --ignore-errors mismatch --ignore-errors unused
COMMAND ${LCOV_TOOL} -e json.info ${SRC_FILES} --output-file json.info.filtered --rc branch_coverage=1 --ignore-errors unused
COMMAND ${CMAKE_SOURCE_DIR}/tests/thirdparty/imapdl/filterbr.py json.info.filtered > json.info.filtered.noexcept
COMMAND genhtml --title "JSON for Modern C++" --legend --demangle-cpp --output-directory html --show-details --branch-coverage json.info.filtered.noexcept
COMMENT "Compile and test with coverage"
)
###############################################################################
# Sanitizers.
###############################################################################
set(CLANG_CXX_FLAGS_SANITIZER "-g -O1 -fsanitize=address -fsanitize=undefined -fsanitize=integer -fsanitize=nullability -fno-omit-frame-pointer -fno-sanitize-recover=all -fno-sanitize=unsigned-integer-overflow -fno-sanitize=unsigned-shift-base")
add_custom_target(ci_test_clang_sanitizer
COMMAND CXX=${CLANG_TOOL} CXXFLAGS=${CLANG_CXX_FLAGS_SANITIZER} ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_clang_sanitizer
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_clang_sanitizer
COMMAND cd ${PROJECT_BINARY_DIR}/build_clang_sanitizer && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
COMMENT "Compile and test with sanitizers"
)
###############################################################################
# Check if header is amalgamated and sources are properly indented.
###############################################################################
file(GLOB_RECURSE INDENT_FILES
${PROJECT_SOURCE_DIR}/include/nlohmann/*.hpp
${PROJECT_SOURCE_DIR}/tests/src/*.cpp
${PROJECT_SOURCE_DIR}/tests/src/*.hpp
${PROJECT_SOURCE_DIR}/tests/benchmarks/src/benchmarks.cpp
${PROJECT_SOURCE_DIR}/docs/examples/*.cpp
)
set(include_dir ${PROJECT_SOURCE_DIR}/single_include/nlohmann)
set(tool_dir ${PROJECT_SOURCE_DIR}/tools/amalgamate)
add_custom_target(ci_test_amalgamation
COMMAND rm -fr ${include_dir}/json.hpp~ ${include_dir}/json_fwd.hpp~
COMMAND cp ${include_dir}/json.hpp ${include_dir}/json.hpp~
COMMAND cp ${include_dir}/json_fwd.hpp ${include_dir}/json_fwd.hpp~
COMMAND ${Python3_EXECUTABLE} -mvenv venv_astyle
COMMAND venv_astyle/bin/pip3 --quiet install -r ${CMAKE_SOURCE_DIR}/tools/astyle/requirements.txt
COMMAND venv_astyle/bin/astyle --version
COMMAND ${Python3_EXECUTABLE} ${tool_dir}/amalgamate.py -c ${tool_dir}/config_json.json -s .
COMMAND ${Python3_EXECUTABLE} ${tool_dir}/amalgamate.py -c ${tool_dir}/config_json_fwd.json -s .
COMMAND venv_astyle/bin/astyle --project=tools/astyle/.astylerc --suffix=none ${include_dir}/json.hpp ${include_dir}/json_fwd.hpp
COMMAND diff ${include_dir}/json.hpp~ ${include_dir}/json.hpp
COMMAND diff ${include_dir}/json_fwd.hpp~ ${include_dir}/json_fwd.hpp
COMMAND venv_astyle/bin/astyle --project=tools/astyle/.astylerc --suffix=orig ${INDENT_FILES}
COMMAND for FILE in `find . -name '*.orig'`\; do false \; done
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
COMMENT "Check amalgamation and indentation"
)
###############################################################################
# Build and test using the amalgamated header
###############################################################################
add_custom_target(ci_test_single_header
COMMAND ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON -DJSON_MultipleHeaders=OFF -DJSON_FastTests=ON
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_single_header
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_single_header
COMMAND cd ${PROJECT_BINARY_DIR}/build_single_header && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
COMMENT "Compile and test single-header version"
)
###############################################################################
# Valgrind.
###############################################################################
add_custom_target(ci_test_valgrind
COMMAND CXX=${GCC_TOOL} ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON -DJSON_Valgrind=ON
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_valgrind
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_valgrind
COMMAND cd ${PROJECT_BINARY_DIR}/build_valgrind && ${CMAKE_CTEST_COMMAND} -L valgrind --parallel ${N} --output-on-failure
COMMENT "Compile and test with Valgrind"
)
###############################################################################
# Check code with Clang Static Analyzer.
###############################################################################
set(CLANG_ANALYZER_CHECKS "fuchsia.HandleChecker,nullability.NullableDereferenced,nullability.NullablePassedToNonnull,nullability.NullableReturnedFromNonnull,optin.cplusplus.UninitializedObject,optin.cplusplus.VirtualCall,optin.mpi.MPI-Checker,optin.osx.OSObjectCStyleCast,optin.osx.cocoa.localizability.EmptyLocalizationContextChecker,optin.osx.cocoa.localizability.NonLocalizedStringChecker,optin.performance.GCDAntipattern,optin.performance.Padding,optin.portability.UnixAPI,security.FloatLoopCounter,security.insecureAPI.DeprecatedOrUnsafeBufferHandling,security.insecureAPI.bcmp,security.insecureAPI.bcopy,security.insecureAPI.bzero,security.insecureAPI.rand,security.insecureAPI.strcpy,valist.CopyToSelf,valist.Uninitialized,valist.Unterminated,webkit.NoUncountedMemberChecker,webkit.RefCntblBaseVirtualDtor,core.CallAndMessage,core.DivideZero,core.NonNullParamChecker,core.NullDereference,core.StackAddressEscape,core.UndefinedBinaryOperatorResult,core.VLASize,core.uninitialized.ArraySubscript,core.uninitialized.Assign,core.uninitialized.Branch,core.uninitialized.CapturedBlockVariable,core.uninitialized.UndefReturn,cplusplus.InnerPointer,cplusplus.Move,cplusplus.NewDelete,cplusplus.NewDeleteLeaks,cplusplus.PlacementNew,cplusplus.PureVirtualCall,deadcode.DeadStores,nullability.NullPassedToNonnull,nullability.NullReturnedFromNonnull,osx.API,osx.MIG,osx.NumberObjectConversion,osx.OSObjectRetainCount,osx.ObjCProperty,osx.SecKeychainAPI,osx.cocoa.AtSync,osx.cocoa.AutoreleaseWrite,osx.cocoa.ClassRelease,osx.cocoa.Dealloc,osx.cocoa.IncompatibleMethodTypes,osx.cocoa.Loops,osx.cocoa.MissingSuperCall,osx.cocoa.NSAutoreleasePool,osx.cocoa.NSError,osx.cocoa.NilArg,osx.cocoa.NonNilReturnValue,osx.cocoa.ObjCGenerics,osx.cocoa.RetainCount,osx.cocoa.RunLoopAutoreleaseLeak,osx.cocoa.SelfInit,osx.cocoa.SuperDealloc,osx.cocoa.UnusedIvars,osx.cocoa.VariadicMethodTypes,osx.coreFoundation.CFError,osx.coreFoundation.CFNumber,osx.coreFoundation.CFRetainRelease,osx.coreFoundation.containers.OutOfBounds,osx.coreFoundation.containers.PointerSizedValues,security.insecureAPI.UncheckedReturn,security.insecureAPI.decodeValueOfObjCType,security.insecureAPI.getpw,security.insecureAPI.gets,security.insecureAPI.mkstemp,security.insecureAPI.mktemp,security.insecureAPI.vfork,unix.API,unix.Malloc,unix.MallocSizeof,unix.MismatchedDeallocator,unix.Vfork,unix.cstring.BadSizeArg,unix.cstring.NullArg")
add_custom_target(ci_clang_analyze
COMMAND CXX=${CLANG_TOOL} ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_clang_analyze
COMMAND cd ${PROJECT_BINARY_DIR}/build_clang_analyze && ${SCAN_BUILD_TOOL} -enable-checker ${CLANG_ANALYZER_CHECKS} --use-c++=${CLANG_TOOL} -analyze-headers -o ${PROJECT_BINARY_DIR}/report ninja
COMMENT "Check code with Clang Analyzer"
)
###############################################################################
# Check code with Cppcheck.
###############################################################################
add_custom_target(ci_cppcheck
COMMAND mkdir -p cppcheck
COMMAND clang -dM -E -x c++ -std=c++11 ${CMAKE_SOURCE_DIR}/include/nlohmann/thirdparty/hedley/hedley.hpp > default_defines.hpp 2> /dev/null
COMMAND ${Python3_EXECUTABLE} -mvenv venv_cppcheck
COMMAND venv_cppcheck/bin/pip3 --quiet install -r ${CMAKE_SOURCE_DIR}/cmake/requirements/requirements-cppcheck.txt
COMMAND venv_cppcheck/bin/cppcheck --enable=warning --check-level=exhaustive --inline-suppr --inconclusive --force
--std=c++11 ${PROJECT_SOURCE_DIR}/include/nlohmann/json.hpp -I ${CMAKE_SOURCE_DIR}/include
--error-exitcode=1 --relative-paths=${PROJECT_SOURCE_DIR} -j ${N} --include=default_defines.hpp
--cppcheck-build-dir=cppcheck --check-level=exhaustive
-UJSON_CATCH_USER -UJSON_TRY_USER -UJSON_ASSERT -UJSON_INTERNAL_CATCH -UJSON_THROW
-DJSON_HAS_CPP_11 -UJSON_HAS_CPP_14 -UJSON_HAS_CPP_17 -UJSON_HAS_CPP_20 -UJSON_HAS_THREE_WAY_COMPARISON
COMMENT "Check code with Cppcheck"
)
###############################################################################
# Check code with cpplint.
###############################################################################
add_custom_target(ci_cpplint
COMMAND ${Python3_EXECUTABLE} -mvenv venv_cpplint
COMMAND venv_cpplint/bin/pip3 --quiet install -r ${CMAKE_SOURCE_DIR}/cmake/requirements/requirements-cpplint.txt
COMMAND venv_cpplint/bin/cpplint --filter=-whitespace,-legal,-runtime/references,-runtime/explicit,-runtime/indentation_namespace,-readability/casting,-readability/nolint --quiet --recursive ${SRC_FILES}
COMMENT "Check code with cpplint"
WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
)
###############################################################################
# Check code with OCLint.
###############################################################################
file(COPY ${PROJECT_SOURCE_DIR}/single_include/nlohmann/json.hpp DESTINATION ${PROJECT_BINARY_DIR}/src_single)
file(RENAME ${PROJECT_BINARY_DIR}/src_single/json.hpp ${PROJECT_BINARY_DIR}/src_single/all.cpp)
file(APPEND "${PROJECT_BINARY_DIR}/src_single/all.cpp" "\n\nint main()\n{}\n")
add_executable(single_all ${PROJECT_BINARY_DIR}/src_single/all.cpp)
target_compile_features(single_all PRIVATE cxx_std_11)
add_custom_target(ci_oclint
COMMAND ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug
-DCMAKE_EXPORT_COMPILE_COMMANDS=ON
-DJSON_BuildTests=OFF -DJSON_CI=ON
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_oclint
COMMAND ${OCLINT_TOOL} -i ${PROJECT_BINARY_DIR}/build_oclint/src_single/all.cpp -p ${PROJECT_BINARY_DIR}/build_oclint --
-report-type html -enable-global-analysis --max-priority-1=0 --max-priority-2=1000 --max-priority-3=2000
--disable-rule=MultipleUnaryOperator
--disable-rule=DoubleNegative
--disable-rule=ShortVariableName
--disable-rule=GotoStatement
--disable-rule=LongLine
-o ${PROJECT_BINARY_DIR}/build_oclint/oclint_report.html
COMMENT "Check code with OCLint"
)
###############################################################################
# Check code with Clang-Tidy.
###############################################################################
add_custom_target(ci_clang_tidy
COMMAND CXX=${CLANG_TOOL} ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_CXX_CLANG_TIDY=${CLANG_TIDY_TOOL}
-DJSON_BuildTests=ON
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_clang_tidy
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_clang_tidy
COMMENT "Check code with Clang-Tidy"
)
###############################################################################
# Check code with PVS-Studio Analyzer <https://www.viva64.com/en/pvs-studio/>.
###############################################################################
add_custom_target(ci_pvs_studio
COMMAND CXX=${CLANG_TOOL} ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug
-DCMAKE_EXPORT_COMPILE_COMMANDS=ON
-DJSON_BuildTests=ON
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_pvs_studio
COMMAND cd ${PROJECT_BINARY_DIR}/build_pvs_studio && ${PVS_STUDIO_ANALYZER_TOOL} analyze -j 10
COMMAND cd ${PROJECT_BINARY_DIR}/build_pvs_studio && ${PLOG_CONVERTER_TOOL} -a'GA:1,2;64:1;CS' -t fullhtml PVS-Studio.log -o pvs
COMMENT "Check code with PVS Studio"
)
###############################################################################
# Check code with Infer <https://fbinfer.com> static analyzer.
###############################################################################
add_custom_target(ci_infer
COMMAND mkdir -p ${PROJECT_BINARY_DIR}/build_infer
COMMAND cd ${PROJECT_BINARY_DIR}/build_infer && ${INFER_TOOL} compile -- ${CMAKE_COMMAND} -DCMAKE_BUILD_TYPE=Debug ${PROJECT_SOURCE_DIR} -DJSON_BuildTests=ON
COMMAND cd ${PROJECT_BINARY_DIR}/build_infer && ${INFER_TOOL} run -- make
COMMENT "Check code with Infer"
)
###############################################################################
# Run test suite with previously downloaded test data.
###############################################################################
add_custom_target(ci_offline_testdata
COMMAND mkdir -p ${PROJECT_BINARY_DIR}/build_offline_testdata/test_data
COMMAND cd ${PROJECT_BINARY_DIR}/build_offline_testdata/test_data && ${GIT_TOOL} clone -c advice.detachedHead=false --branch v3.1.0 https://github.com/nlohmann/json_test_data.git --quiet --depth 1
COMMAND ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON -DJSON_FastTests=ON -DJSON_TestDataDirectory=${PROJECT_BINARY_DIR}/build_offline_testdata/test_data/json_test_data
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_offline_testdata
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_offline_testdata
COMMAND cd ${PROJECT_BINARY_DIR}/build_offline_testdata && ${CMAKE_CTEST_COMMAND} --parallel ${N} --output-on-failure
COMMENT "Check code with previously downloaded test data"
)
###############################################################################
# Run test suite when project was not checked out from Git
###############################################################################
add_custom_target(ci_non_git_tests
COMMAND git config --global --add safe.directory ${PROJECT_SOURCE_DIR}
COMMAND mkdir -p ${PROJECT_BINARY_DIR}/build_non_git_tests/sources
COMMAND cd ${PROJECT_SOURCE_DIR} && for FILE in `${GIT_TOOL} ls-tree --name-only HEAD`\; do cp -r $$FILE ${PROJECT_BINARY_DIR}/build_non_git_tests/sources \; done
COMMAND ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON -DJSON_FastTests=ON
-S${PROJECT_BINARY_DIR}/build_non_git_tests/sources -B${PROJECT_BINARY_DIR}/build_non_git_tests
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_non_git_tests
COMMAND cd ${PROJECT_BINARY_DIR}/build_non_git_tests && ${CMAKE_CTEST_COMMAND} --parallel ${N} -LE git_required --output-on-failure
COMMENT "Check code when project was not checked out from Git"
)
###############################################################################
# Run test suite and exclude tests that change installed files
###############################################################################
add_custom_target(ci_reproducible_tests
COMMAND ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON -DJSON_FastTests=ON
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_reproducible_tests
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_reproducible_tests
COMMAND cd ${PROJECT_BINARY_DIR}/build_reproducible_tests && ${CMAKE_CTEST_COMMAND} --parallel ${N} -LE not_reproducible --output-on-failure
COMMENT "Check code and exclude tests that change installed files"
)
###############################################################################
# Check if every header in the include folder includes sufficient headers to
# be compiled individually.
###############################################################################
set(iwyu_path_and_options ${IWYU_TOOL} -Xiwyu --max_line_length=300)
foreach(SRC_FILE ${SRC_FILES})
# get relative path of the header file
file(RELATIVE_PATH RELATIVE_SRC_FILE "${PROJECT_SOURCE_DIR}/include/nlohmann" "${SRC_FILE}")
# replace slashes and strip suffix
string(REPLACE "/" "_" RELATIVE_SRC_FILE "${RELATIVE_SRC_FILE}")
string(REPLACE ".hpp" "" RELATIVE_SRC_FILE "${RELATIVE_SRC_FILE}")
# create code file
file(WRITE "${PROJECT_BINARY_DIR}/src_single/${RELATIVE_SRC_FILE}.cpp" "#include \"${SRC_FILE}\" // IWYU pragma: keep\n\nint main()\n{}\n")
# create executable
add_executable(single_${RELATIVE_SRC_FILE} EXCLUDE_FROM_ALL ${PROJECT_BINARY_DIR}/src_single/${RELATIVE_SRC_FILE}.cpp)
target_include_directories(single_${RELATIVE_SRC_FILE} PRIVATE ${PROJECT_SOURCE_DIR}/include)
target_compile_features(single_${RELATIVE_SRC_FILE} PRIVATE cxx_std_11)
set_property(TARGET single_${RELATIVE_SRC_FILE} PROPERTY CXX_INCLUDE_WHAT_YOU_USE "${iwyu_path_and_options}")
# remember binary for ci_single_binaries target
list(APPEND single_binaries single_${RELATIVE_SRC_FILE})
endforeach()
add_custom_target(ci_single_binaries
DEPENDS ${single_binaries}
COMMENT "Check if headers are self-contained"
)
###############################################################################
# Benchmarks
###############################################################################
add_custom_target(ci_benchmarks
COMMAND ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Release -GNinja
-S${PROJECT_SOURCE_DIR}/benchmarks -B${PROJECT_BINARY_DIR}/build_benchmarks
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_benchmarks --target json_benchmarks
COMMAND cd ${PROJECT_BINARY_DIR}/build_benchmarks && ./json_benchmarks
COMMENT "Run benchmarks"
)
###############################################################################
# CMake flags
###############################################################################
# we test the project with different CMake versions:
# - CMake 3.5 (the earliest supported)
# - CMake 3.31.6 (the latest 3.x release)
# - CMake 4.0.0 (the latest release)
function(ci_get_cmake version var)
set(${var} ${PROJECT_BINARY_DIR}/cmake-${version}/bin/cmake)
add_custom_command(
OUTPUT ${${var}}
COMMAND wget -nc https://github.com/Kitware/CMake/releases/download/v${version}/cmake-${version}.tar.gz
COMMAND tar xfz cmake-${version}.tar.gz
COMMAND rm cmake-${version}.tar.gz
# -DCMAKE_POLICY_VERSION_MINIMUM=3.5 required to compile older CMake versions with CMake 4.0.0
COMMAND cmake -S cmake-${version} -B cmake-${version} -DCMAKE_POLICY_VERSION_MINIMUM=3.5
COMMAND cmake --build cmake-${version} --parallel 10
WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
COMMENT "Download CMake ${version}"
)
set(${var} ${${var}} PARENT_SCOPE)
endfunction()
ci_get_cmake(3.5.0 CMAKE_3_5_0_BINARY)
ci_get_cmake(3.31.6 CMAKE_3_31_6_BINARY)
ci_get_cmake(4.0.0 CMAKE_4_0_0_BINARY)
# the tests require CMake 3.13 or later, so they are excluded for CMake 3.5.0
set(JSON_CMAKE_FLAGS_3_5_0 JSON_Diagnostics JSON_Diagnostic_Positions JSON_GlobalUDLs JSON_ImplicitConversions JSON_DisableEnumSerialization
JSON_LegacyDiscardedValueComparison JSON_Install JSON_MultipleHeaders JSON_SystemInclude JSON_Valgrind)
set(JSON_CMAKE_FLAGS_3_31_6 JSON_BuildTests ${JSON_CMAKE_FLAGS_3_31_6})
set(JSON_CMAKE_FLAGS_4_0_0 JSON_BuildTests ${JSON_CMAKE_FLAGS_3_5_0})
function(ci_add_cmake_flags_targets flag min_version)
string(TOLOWER "ci_cmake_flag_${flag}" flag_target)
string(REPLACE . _ min_version_var ${min_version})
set(cmake_binary ${CMAKE_${min_version_var}_BINARY})
add_custom_target(${flag_target}_${min_version}_2
COMMENT "Check CMake flag ${flag} (CMake ${CMAKE_VERSION})"
COMMAND ${CMAKE_COMMAND}
-Werror=dev
-D${flag}=ON
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_${flag_target}
)
add_custom_target(${flag_target}_${min_version_var}
COMMENT "Check CMake flag ${JSON_CMAKE_FLAG} (CMake ${min_version})"
COMMAND mkdir -pv ${PROJECT_BINARY_DIR}/build_${flag_target}_${min_version_var}
COMMAND cd ${PROJECT_BINARY_DIR}/build_${flag_target}_${min_version_var}
&& ${cmake_binary} -Werror=dev ${PROJECT_SOURCE_DIR} -D${flag}=ON
DEPENDS ${cmake_binary}
)
list(APPEND JSON_CMAKE_FLAG_TARGETS ${JSON_CMAKE_FLAG_TARGET} ${flag_target}_${min_version_var})
list(APPEND JSON_CMAKE_FLAG_BUILD_DIRS ${PROJECT_BINARY_DIR}/build_${flag_target} ${PROJECT_BINARY_DIR}/build_${flag_target}_${min_version_var})
set(JSON_CMAKE_FLAG_TARGETS ${JSON_CMAKE_FLAG_TARGETS} PARENT_SCOPE)
set(JSON_CMAKE_FLAG_BUILD_DIRS ${JSON_CMAKE_FLAG_BUILD_DIRS} PARENT_SCOPE)
endfunction()
foreach(JSON_CMAKE_FLAG ${JSON_CMAKE_FLAGS_3_5_0})
ci_add_cmake_flags_targets(${JSON_CMAKE_FLAG} 3.5.0)
endforeach()
foreach(JSON_CMAKE_FLAG ${JSON_CMAKE_FLAGS_3_31_6})
ci_add_cmake_flags_targets(${JSON_CMAKE_FLAG} 3.31.6)
endforeach()
foreach(JSON_CMAKE_FLAG ${JSON_CMAKE_FLAGS_4_0_0})
ci_add_cmake_flags_targets(${JSON_CMAKE_FLAG} 4.0.0)
endforeach()
add_custom_target(ci_cmake_flags
DEPENDS ${JSON_CMAKE_FLAG_TARGETS}
COMMENT "Check CMake flags"
)
###############################################################################
# Use more installed compilers.
###############################################################################
foreach(COMPILER g++-4.8 g++-4.9 g++-5 g++-6 g++-7 g++-8 g++-9 g++-10 g++-11 clang++-3.5 clang++-3.6 clang++-3.7 clang++-3.8 clang++-3.9 clang++-4.0 clang++-5.0 clang++-6.0 clang++-7 clang++-8 clang++-9 clang++-10 clang++-11 clang++-12 clang++-13 clang++-14 clang++-15 clang++-16 clang++-17 clang++-18 clang++-19 clang++-20)
find_program(COMPILER_TOOL NAMES ${COMPILER})
if (COMPILER_TOOL)
unset(ADDITIONAL_FLAGS)
add_custom_target(ci_test_compiler_${COMPILER}
COMMAND CXX=${COMPILER} ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON -DJSON_FastTests=ON
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_compiler_${COMPILER}
${ADDITIONAL_FLAGS}
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_compiler_${COMPILER}
COMMAND cd ${PROJECT_BINARY_DIR}/build_compiler_${COMPILER} && ${CMAKE_CTEST_COMMAND} --parallel ${N} --exclude-regex "test-unicode" --output-on-failure
COMMENT "Compile and test with ${COMPILER}"
)
endif()
unset(COMPILER_TOOL CACHE)
endforeach()
add_custom_target(ci_test_compiler_default
COMMAND ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DJSON_BuildTests=ON -DJSON_FastTests=ON
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_compiler_default
${ADDITIONAL_FLAGS}
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_compiler_default --parallel ${N}
COMMAND cd ${PROJECT_BINARY_DIR}/build_compiler_default && ${CMAKE_CTEST_COMMAND} --parallel ${N} --exclude-regex "test-unicode" -LE git_required --output-on-failure
COMMENT "Compile and test with default C++ compiler"
)
###############################################################################
# CUDA example
###############################################################################
add_custom_target(ci_cuda_example
COMMAND ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DCMAKE_CUDA_HOST_COMPILER=g++-8
-S${PROJECT_SOURCE_DIR}/tests/cuda_example -B${PROJECT_BINARY_DIR}/build_cuda_example
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_cuda_example
)
###############################################################################
# Intel C++ Compiler
###############################################################################
add_custom_target(ci_icpc
COMMAND ${CMAKE_COMMAND}
-DCMAKE_BUILD_TYPE=Debug -GNinja
-DCMAKE_C_COMPILER=icc -DCMAKE_CXX_COMPILER=icpc
-DJSON_BuildTests=ON -DJSON_FastTests=ON
-S${PROJECT_SOURCE_DIR} -B${PROJECT_BINARY_DIR}/build_icpc
COMMAND ${CMAKE_COMMAND} --build ${PROJECT_BINARY_DIR}/build_icpc
COMMAND cd ${PROJECT_BINARY_DIR}/build_icpc && ${CMAKE_CTEST_COMMAND} --parallel ${N} --exclude-regex "test-unicode" --output-on-failure
COMMENT "Compile and test with ICPC"
)
###############################################################################
# REUSE
###############################################################################
add_custom_target(ci_reuse_compliance
COMMAND ${Python3_EXECUTABLE} -mvenv venv_reuse
COMMAND venv_reuse/bin/pip3 --quiet install -r ${PROJECT_SOURCE_DIR}/cmake/requirements/requirements-reuse.txt
COMMAND venv_reuse/bin/reuse --root ${PROJECT_SOURCE_DIR} lint
COMMENT "Check REUSE specification compliance"
)
###############################################################################
# test documentation
###############################################################################
add_custom_target(ci_test_examples
COMMAND make CXX="${GCC_TOOL}" check_output_portable -j8
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/docs
COMMENT "Check that all examples compile and create the desired output"
)
add_custom_target(ci_test_build_documentation
COMMAND ${Python3_EXECUTABLE} -mvenv venv
COMMAND venv/bin/pip3 --quiet install -r requirements.txt
COMMAND make build
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/docs/mkdocs
COMMENT "Build the documentation"
)
###############################################################################
# Clean up all generated files.
###############################################################################
add_custom_target(ci_clean
COMMAND rm -fr ${PROJECT_BINARY_DIR}/build_* cmake-3.5.0-Darwin64 ${JSON_CMAKE_FLAG_BUILD_DIRS} ${single_binaries}
COMMENT "Clean generated directories"
)

20
external/json/cmake/clang_flags.cmake vendored
View File

@@ -1,20 +0,0 @@
# Ignored Clang warnings:
# -Wno-c++98-compat The library targets C++11.
# -Wno-c++98-compat-pedantic The library targets C++11.
# -Wno-deprecated-declarations The library contains annotations for deprecated functions.
# -Wno-extra-semi-stmt The library uses assert which triggers this warning.
# -Wno-padded We do not care about padding warnings.
# -Wno-covered-switch-default All switches list all cases and a default case.
# -Wno-unsafe-buffer-usage Otherwise Doctest would not compile.
set(CLANG_CXXFLAGS
-Werror
-Weverything
-Wno-c++98-compat
-Wno-c++98-compat-pedantic
-Wno-deprecated-declarations
-Wno-extra-semi-stmt
-Wno-padded
-Wno-covered-switch-default
-Wno-unsafe-buffer-usage
)

15
external/json/cmake/config.cmake.in vendored
View File

@@ -1,15 +0,0 @@
include(FindPackageHandleStandardArgs)
set(${CMAKE_FIND_PACKAGE_NAME}_CONFIG ${CMAKE_CURRENT_LIST_FILE})
find_package_handle_standard_args(@PROJECT_NAME@ CONFIG_MODE)
if(NOT TARGET @PROJECT_NAME@::@NLOHMANN_JSON_TARGET_NAME@)
include("${CMAKE_CURRENT_LIST_DIR}/@NLOHMANN_JSON_TARGETS_EXPORT_NAME@.cmake")
if((NOT TARGET @NLOHMANN_JSON_TARGET_NAME@) AND
(NOT @PROJECT_NAME@_FIND_VERSION OR
@PROJECT_NAME@_FIND_VERSION VERSION_LESS 3.2.0))
add_library(@NLOHMANN_JSON_TARGET_NAME@ INTERFACE IMPORTED)
set_target_properties(@NLOHMANN_JSON_TARGET_NAME@ PROPERTIES
INTERFACE_LINK_LIBRARIES @PROJECT_NAME@::@NLOHMANN_JSON_TARGET_NAME@
)
endif()
endif()

56
external/json/cmake/download_test_data.cmake vendored
View File

@@ -1,56 +0,0 @@
set(JSON_TEST_DATA_URL https://github.com/nlohmann/json_test_data)
set(JSON_TEST_DATA_VERSION 3.1.0)
# if variable is set, use test data from given directory rather than downloading them
if(JSON_TestDataDirectory)
message(STATUS "Using test data in ${JSON_TestDataDirectory}.")
add_custom_target(download_test_data)
file(WRITE ${CMAKE_BINARY_DIR}/include/test_data.hpp "#define TEST_DATA_DIRECTORY \"${JSON_TestDataDirectory}\"\n")
else()
find_package(Git)
# target to download test data
add_custom_target(download_test_data
COMMAND test -d json_test_data || ${GIT_EXECUTABLE} clone -c advice.detachedHead=false --branch v${JSON_TEST_DATA_VERSION} ${JSON_TEST_DATA_URL}.git --quiet --depth 1
COMMENT "Downloading test data from ${JSON_TEST_DATA_URL} (v${JSON_TEST_DATA_VERSION})"
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
)
# create a header with the path to the downloaded test data
file(WRITE ${CMAKE_BINARY_DIR}/include/test_data.hpp "#define TEST_DATA_DIRECTORY \"${CMAKE_BINARY_DIR}/json_test_data\"\n")
endif()
# determine the operating system (for debug and support purposes)
find_program(UNAME_COMMAND uname)
find_program(VER_COMMAND ver)
find_program(LSB_RELEASE_COMMAND lsb_release)
find_program(SW_VERS_COMMAND sw_vers)
set(OS_VERSION_STRINGS "${CMAKE_SYSTEM}")
if (VER_COMMAND)
execute_process(COMMAND ${VER_COMMAND} OUTPUT_VARIABLE VER_COMMAND_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE)
set(OS_VERSION_STRINGS "${OS_VERSION_STRINGS}; ${VER_COMMAND_RESULT}")
endif()
if (SW_VERS_COMMAND)
execute_process(COMMAND ${SW_VERS_COMMAND} OUTPUT_VARIABLE SW_VERS_COMMAND_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
string(REGEX REPLACE "[ ]*\n" "; " SW_VERS_COMMAND_RESULT "${SW_VERS_COMMAND_RESULT}")
set(OS_VERSION_STRINGS "${OS_VERSION_STRINGS}; ${SW_VERS_COMMAND_RESULT}")
endif()
if (LSB_RELEASE_COMMAND)
execute_process(COMMAND ${LSB_RELEASE_COMMAND} -a OUTPUT_VARIABLE LSB_RELEASE_COMMAND_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
string(REGEX REPLACE "[ ]*\n" "; " LSB_RELEASE_COMMAND_RESULT "${LSB_RELEASE_COMMAND_RESULT}")
set(OS_VERSION_STRINGS "${OS_VERSION_STRINGS}; ${LSB_RELEASE_COMMAND_RESULT}")
endif()
if (UNAME_COMMAND)
execute_process(COMMAND ${UNAME_COMMAND} -a OUTPUT_VARIABLE UNAME_COMMAND_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_QUIET)
set(OS_VERSION_STRINGS "${OS_VERSION_STRINGS}; ${UNAME_COMMAND_RESULT}")
endif()
message(STATUS "Operating system: ${OS_VERSION_STRINGS}")
# determine the compiler (for debug and support purposes)
if (MSVC)
execute_process(COMMAND ${CMAKE_CXX_COMPILER} OUTPUT_VARIABLE CXX_VERSION_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_VARIABLE CXX_VERSION_RESULT ERROR_STRIP_TRAILING_WHITESPACE)
set(CXX_VERSION_RESULT "${CXX_VERSION_RESULT}; MSVC_VERSION=${MSVC_VERSION}; MSVC_TOOLSET_VERSION=${MSVC_TOOLSET_VERSION}")
else()
execute_process(COMMAND ${CMAKE_CXX_COMPILER} --version OUTPUT_VARIABLE CXX_VERSION_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
string(REGEX REPLACE "[ ]*\n" "; " CXX_VERSION_RESULT "${CXX_VERSION_RESULT}")
message(STATUS "Compiler: ${CXX_VERSION_RESULT}")

348
external/json/cmake/gcc_flags.cmake vendored
View File

@@ -1,348 +0,0 @@
# Warning flags determined for GCC 14.2.0 with https://github.com/nlohmann/gcc_flags:
# Ignored GCC warnings:
# -Wno-abi-tag We do not care about ABI tags.
# -Wno-aggregate-return The library uses aggregate returns.
# -Wno-long-long The library uses the long long type to interface with system functions.
# -Wno-namespaces The library uses namespaces.
# -Wno-nrvo Doctest triggers this warning.
# -Wno-padded We do not care about padding warnings.
# -Wno-system-headers We do not care about warnings in system headers.
# -Wno-templates The library uses templates.
set(GCC_CXXFLAGS
-pedantic
-Werror
--all-warnings
--extra-warnings
-W
-WNSObject-attribute
-Wno-abi-tag
-Waddress
-Waddress-of-packed-member
-Wno-aggregate-return
-Waggressive-loop-optimizations
-Waligned-new=all
-Wall
-Walloc-size
-Walloc-zero
-Walloca
-Wanalyzer-allocation-size
-Wanalyzer-deref-before-check
-Wanalyzer-double-fclose
-Wanalyzer-double-free
-Wanalyzer-exposure-through-output-file
-Wanalyzer-exposure-through-uninit-copy
-Wanalyzer-fd-access-mode-mismatch
-Wanalyzer-fd-double-close
-Wanalyzer-fd-leak
-Wanalyzer-fd-phase-mismatch
-Wanalyzer-fd-type-mismatch
-Wanalyzer-fd-use-after-close
-Wanalyzer-fd-use-without-check
-Wanalyzer-file-leak
-Wanalyzer-free-of-non-heap
-Wanalyzer-imprecise-fp-arithmetic
-Wanalyzer-infinite-loop
-Wanalyzer-infinite-recursion
-Wanalyzer-jump-through-null
-Wanalyzer-malloc-leak
-Wanalyzer-mismatching-deallocation
-Wanalyzer-null-argument
-Wanalyzer-null-dereference
-Wanalyzer-out-of-bounds
-Wanalyzer-overlapping-buffers
-Wanalyzer-possible-null-argument
-Wanalyzer-possible-null-dereference
-Wanalyzer-putenv-of-auto-var
-Wanalyzer-shift-count-negative
-Wanalyzer-shift-count-overflow
-Wanalyzer-stale-setjmp-buffer
-Wanalyzer-symbol-too-complex
-Wanalyzer-tainted-allocation-size
-Wanalyzer-tainted-array-index
-Wanalyzer-tainted-assertion
-Wanalyzer-tainted-divisor
-Wanalyzer-tainted-offset
-Wanalyzer-tainted-size
-Wanalyzer-too-complex
-Wanalyzer-undefined-behavior-strtok
-Wanalyzer-unsafe-call-within-signal-handler
-Wanalyzer-use-after-free
-Wanalyzer-use-of-pointer-in-stale-stack-frame
-Wanalyzer-use-of-uninitialized-value
-Wanalyzer-va-arg-type-mismatch
-Wanalyzer-va-list-exhausted
-Wanalyzer-va-list-leak
-Wanalyzer-va-list-use-after-va-end
-Wanalyzer-write-to-const
-Wanalyzer-write-to-string-literal
-Warith-conversion
-Warray-bounds=2
-Warray-compare
-Warray-parameter=2
-Wattribute-alias=2
-Wattribute-warning
-Wattributes
-Wbool-compare
-Wbool-operation
-Wbuiltin-declaration-mismatch
-Wbuiltin-macro-redefined
-Wc++0x-compat
-Wc++11-compat
-Wc++11-extensions
-Wc++14-compat
-Wc++14-extensions
-Wc++17-compat
-Wc++17-extensions
-Wc++1z-compat
-Wc++20-compat
-Wc++20-extensions
-Wc++23-extensions
-Wc++26-extensions
-Wc++2a-compat
-Wcalloc-transposed-args
-Wcannot-profile
-Wcast-align
-Wcast-align=strict
-Wcast-function-type
-Wcast-qual
-Wcast-user-defined
-Wcatch-value=3
-Wchanges-meaning
-Wchar-subscripts
-Wclass-conversion
-Wclass-memaccess
-Wclobbered
-Wcomma-subscript
-Wcomment
-Wcomments
-Wcomplain-wrong-lang
-Wconditionally-supported
-Wconversion
-Wconversion-null
-Wcoverage-invalid-line-number
-Wcoverage-mismatch
-Wcoverage-too-many-conditions
-Wcpp
-Wctad-maybe-unsupported
-Wctor-dtor-privacy
-Wdangling-else
-Wdangling-pointer=2
-Wdangling-reference
-Wdate-time
-Wdelete-incomplete
-Wdelete-non-virtual-dtor
-Wdeprecated
-Wdeprecated-copy
-Wdeprecated-copy-dtor
-Wdeprecated-declarations
-Wdeprecated-enum-enum-conversion
-Wdeprecated-enum-float-conversion
-Wdisabled-optimization
-Wdiv-by-zero
-Wdouble-promotion
-Wduplicated-branches
-Wduplicated-cond
-Weffc++
-Welaborated-enum-base
-Wempty-body
-Wendif-labels
-Wenum-compare
-Wenum-conversion
-Wexceptions
-Wexpansion-to-defined
-Wextra
-Wextra-semi
-Wflex-array-member-not-at-end
-Wfloat-conversion
-Wfloat-equal
-Wformat -Wformat-contains-nul
-Wformat -Wformat-extra-args
-Wformat -Wformat-nonliteral
-Wformat -Wformat-security
-Wformat -Wformat-y2k
-Wformat -Wformat-zero-length
-Wformat-diag
-Wformat-overflow=2
-Wformat-signedness
-Wformat-truncation=2
-Wformat=2
-Wframe-address
-Wfree-nonheap-object
-Wglobal-module
-Whardened
-Whsa
-Wif-not-aligned
-Wignored-attributes
-Wignored-qualifiers
-Wimplicit-fallthrough=5
-Winaccessible-base
-Winfinite-recursion
-Winherited-variadic-ctor
-Winit-list-lifetime
-Winit-self
-Winline
-Wint-in-bool-context
-Wint-to-pointer-cast
-Winterference-size
-Winvalid-constexpr
-Winvalid-imported-macros
-Winvalid-memory-model
-Winvalid-offsetof
-Winvalid-pch
-Winvalid-utf8
-Wliteral-suffix
-Wlogical-not-parentheses
-Wlogical-op
-Wno-long-long
-Wlto-type-mismatch
-Wmain
-Wmaybe-uninitialized
-Wmemset-elt-size
-Wmemset-transposed-args
-Wmisleading-indentation
-Wmismatched-dealloc
-Wmismatched-new-delete
-Wmismatched-tags
-Wmissing-attributes
-Wmissing-braces
-Wmissing-declarations
-Wmissing-field-initializers
-Wmissing-include-dirs
-Wmissing-profile
-Wmissing-requires
-Wmissing-template-keyword
-Wmultichar
-Wmultiple-inheritance
-Wmultistatement-macros
-Wno-namespaces
-Wnarrowing
-Wnoexcept
-Wnoexcept-type
-Wnon-template-friend
-Wnon-virtual-dtor
-Wnonnull
-Wnonnull-compare
-Wnormalized=nfkc
-Wno-nrvo
-Wnull-dereference
-Wodr
-Wold-style-cast
-Wopenacc-parallelism
-Wopenmp
-Wopenmp-simd
-Woverflow
-Woverlength-strings
-Woverloaded-virtual=2
-Wpacked
-Wpacked-bitfield-compat
-Wpacked-not-aligned
-Wno-padded
-Wparentheses
-Wpedantic
-Wpessimizing-move
-Wplacement-new=2
-Wpmf-conversions
-Wpointer-arith
-Wpointer-compare
-Wpragmas
-Wprio-ctor-dtor
-Wpsabi
-Wrange-loop-construct
-Wredundant-decls
-Wredundant-move
-Wredundant-tags
-Wregister
-Wreorder
-Wrestrict
-Wreturn-local-addr
-Wreturn-type
-Wscalar-storage-order
-Wself-move
-Wsequence-point
-Wshadow=compatible-local
-Wshadow=global
-Wshadow=local
-Wshift-count-negative
-Wshift-count-overflow
-Wshift-negative-value
-Wshift-overflow=2
-Wsign-compare
-Wsign-conversion
-Wsign-promo
-Wsized-deallocation
-Wsizeof-array-argument
-Wsizeof-array-div
-Wsizeof-pointer-div
-Wsizeof-pointer-memaccess
-Wstack-protector
-Wstrict-aliasing=3
-Wstrict-null-sentinel
-Wstrict-overflow
-Wstring-compare
-Wstringop-overflow=4
-Wstringop-overread
-Wstringop-truncation
-Wsubobject-linkage
-Wsuggest-attribute=cold
-Wsuggest-attribute=const
-Wsuggest-attribute=format
-Wsuggest-attribute=malloc
-Wsuggest-attribute=noreturn
-Wsuggest-attribute=pure
-Wsuggest-attribute=returns_nonnull
-Wsuggest-final-methods
-Wsuggest-final-types
-Wsuggest-override
-Wswitch
-Wswitch-bool
-Wswitch-default
-Wswitch-enum
-Wswitch-outside-range
-Wswitch-unreachable
-Wsync-nand
-Wsynth
-Wno-system-headers
-Wtautological-compare
-Wno-templates
-Wterminate
-Wtrampolines
-Wtrigraphs
-Wtrivial-auto-var-init
-Wtsan
-Wtype-limits
-Wundef
-Wunicode
-Wuninitialized
-Wunknown-pragmas
-Wunreachable-code
-Wunsafe-loop-optimizations
-Wunused
-Wunused-but-set-parameter
-Wunused-but-set-variable
-Wunused-const-variable=2
-Wunused-function
-Wunused-label
-Wunused-local-typedefs
-Wunused-macros
-Wunused-parameter
-Wunused-result
-Wunused-value
-Wunused-variable
-Wuse-after-free=3
-Wuseless-cast
-Wvarargs
-Wvariadic-macros
-Wvector-operation-performance
-Wvexing-parse
-Wvirtual-inheritance
-Wvirtual-move-assign
-Wvla
-Wvla-parameter
-Wvolatile
-Wvolatile-register-var
-Wwrite-strings
-Wxor-used-as-pow
-Wzero-as-null-pointer-constant
-Wzero-length-bounds
)

20
external/json/cmake/nlohmann_jsonConfigVersion.cmake.in vendored
View File

@@ -1,20 +0,0 @@
# This is essentially cmake's BasicConfigVersion-SameMajorVersion.cmake.in but
# without the 32/64-bit check. Since json is a header-only library, it doesn't
# matter if it was built on a different platform than what it is used on (see
# https://github.com/nlohmann/json/issues/1697).
set(PACKAGE_VERSION "@PROJECT_VERSION@")
if(PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION)
set(PACKAGE_VERSION_COMPATIBLE FALSE)
else()
if(PACKAGE_FIND_VERSION_MAJOR STREQUAL "@PROJECT_VERSION_MAJOR@")
set(PACKAGE_VERSION_COMPATIBLE TRUE)
else()
set(PACKAGE_VERSION_COMPATIBLE FALSE)
endif()
if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION)
set(PACKAGE_VERSION_EXACT TRUE)
endif()
endif()

7
external/json/cmake/pkg-config.pc.in vendored
View File

@@ -1,7 +0,0 @@
prefix=@CMAKE_INSTALL_PREFIX@
includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
Name: @PROJECT_NAME@
Description: JSON for Modern C++
Version: @PROJECT_VERSION@
Cflags: -I${includedir}

1
external/json/cmake/requirements/requirements-cppcheck.txt vendored
View File

@@ -1 +0,0 @@
cppcheck==1.5.0

1
external/json/cmake/requirements/requirements-cpplint.txt vendored
View File

@@ -1 +0,0 @@
cpplint==2.0.1

1
external/json/cmake/requirements/requirements-reuse.txt vendored
View File

@@ -1 +0,0 @@
reuse==5.0.2

24
external/json/cmake/scripts/gen_bazel_build_file.cmake vendored
View File

@@ -1,24 +0,0 @@
# generate Bazel BUILD file
set(PROJECT_ROOT "${CMAKE_CURRENT_LIST_DIR}/../..")
set(BUILD_FILE "${PROJECT_ROOT}/BUILD.bazel")
file(GLOB_RECURSE HEADERS LIST_DIRECTORIES false RELATIVE "${PROJECT_ROOT}" "include/*.hpp")
file(WRITE "${BUILD_FILE}" [=[
cc_library(
name = "json",
hdrs = [
]=])
foreach(header ${HEADERS})
file(APPEND "${BUILD_FILE}" " \"${header}\",\n")
endforeach()
file(APPEND "${BUILD_FILE}" [=[
],
includes = ["include"],
visibility = ["//visibility:public"],
alwayslink = True,
)
]=])

273
external/json/cmake/test.cmake vendored
View File

@@ -1,273 +0,0 @@
set(_json_test_cmake_list_file ${CMAKE_CURRENT_LIST_FILE})
#############################################################################
# download test data
#############################################################################
include(download_test_data)
# test fixture to download test data
add_test(NAME "download_test_data" COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR}
--target download_test_data
)
set_tests_properties(download_test_data PROPERTIES FIXTURES_SETUP TEST_DATA)
if(JSON_Valgrind)
find_program(CMAKE_MEMORYCHECK_COMMAND valgrind)
message(STATUS "Executing test suite with Valgrind (${CMAKE_MEMORYCHECK_COMMAND})")
set(memcheck_command "${CMAKE_MEMORYCHECK_COMMAND} ${CMAKE_MEMORYCHECK_COMMAND_OPTIONS} --error-exitcode=1 --leak-check=full")
separate_arguments(memcheck_command)
endif()
#############################################################################
# detect standard support
#############################################################################
# C++11 is the minimum required
set(compiler_supports_cpp_11 TRUE)
foreach(feature ${CMAKE_CXX_COMPILE_FEATURES})
if (${feature} STREQUAL cxx_std_14)
set(compiler_supports_cpp_14 TRUE)
elseif (${feature} STREQUAL cxx_std_17)
set(compiler_supports_cpp_17 TRUE)
elseif (${feature} STREQUAL cxx_std_20)
set(compiler_supports_cpp_20 TRUE)
elseif (${feature} STREQUAL cxx_std_23)
set(compiler_supports_cpp_23 TRUE)
endif()
endforeach()
#############################################################################
# test functions
#############################################################################
#############################################################################
# json_test_set_test_options(
# all|<tests>
# [CXX_STANDARDS all|<args>...]
# [COMPILE_DEFINITIONS <args>...]
# [COMPILE_FEATURES <args>...]
# [COMPILE_OPTIONS <args>...]
# [LINK_LIBRARIES <args>...]
# [LINK_OPTIONS <args>...]
# [TEST_PROPERTIES <args>...])
#
# Supply test- and standard-specific build settings and/or test properties.
# Specify multiple tests using a list e.g., "test-foo;test-bar".
#
# Must be called BEFORE the test is created.
#############################################################################
function(json_test_set_test_options tests)
cmake_parse_arguments(args "" ""
"CXX_STANDARDS;COMPILE_DEFINITIONS;COMPILE_FEATURES;COMPILE_OPTIONS;LINK_LIBRARIES;LINK_OPTIONS;TEST_PROPERTIES"
${ARGN})
if(NOT args_CXX_STANDARDS)
set(args_CXX_STANDARDS "all")
endif()
foreach(test ${tests})
if("${test}" STREQUAL "all")
set(test "")
endif()
foreach(cxx_standard ${args_CXX_STANDARDS})
if("${cxx_standard}" STREQUAL "all")
if("${test}" STREQUAL "")
message(FATAL_ERROR "Not supported. Change defaults in: ${_json_test_cmake_list_file}")
endif()
set(test_interface _json_test_interface_${test})
else()
set(test_interface _json_test_interface_${test}_cpp_${cxx_standard})
endif()
if(NOT TARGET ${test_interface})
add_library(${test_interface} INTERFACE)
endif()
target_compile_definitions(${test_interface} INTERFACE ${args_COMPILE_DEFINITIONS})
target_compile_features(${test_interface} INTERFACE ${args_COMPILE_FEATURES})
target_compile_options(${test_interface} INTERFACE ${args_COMPILE_OPTIONS})
target_link_libraries (${test_interface} INTERFACE ${args_LINK_LIBRARIES})
target_link_options(${test_interface} INTERFACE ${args_LINK_OPTIONS})
#set_target_properties(${test_interface} PROPERTIES JSON_TEST_PROPERTIES "${args_TEST_PROPERTIES}")
set_property(DIRECTORY PROPERTY
${test_interface}_TEST_PROPERTIES "${args_TEST_PROPERTIES}"
)
endforeach()
endforeach()
endfunction()
# for internal use by _json_test_add_test()
function(_json_test_apply_test_properties test_target properties_target)
#get_target_property(test_properties ${properties_target} JSON_TEST_PROPERTIES)
get_property(test_properties DIRECTORY PROPERTY ${properties_target}_TEST_PROPERTIES)
if(test_properties)
set_tests_properties(${test_target} PROPERTIES ${test_properties})
endif()
endfunction()
# for internal use by json_test_add_test_for()
function(_json_test_add_test test_name file main cxx_standard)
set(test_target ${test_name}_cpp${cxx_standard})
if(TARGET ${test_target})
message(FATAL_ERROR "Target ${test_target} has already been added.")
endif()
add_executable(${test_target} ${file})
target_link_libraries(${test_target} PRIVATE ${main})
# set and require C++ standard
set_target_properties(${test_target} PROPERTIES
CXX_STANDARD ${cxx_standard}
CXX_STANDARD_REQUIRED ON
)
# apply standard-specific build settings
if(TARGET _json_test_interface__cpp_${cxx_standard})
target_link_libraries(${test_target} PRIVATE _json_test_interface__cpp_${cxx_standard})
endif()
# apply test-specific build settings
if(TARGET _json_test_interface_${test_name})
target_link_libraries(${test_target} PRIVATE _json_test_interface_${test_name})
endif()
# apply test- and standard-specific build settings
if(TARGET _json_test_interface_${test_name}_cpp_${cxx_standard})
target_link_libraries(${test_target} PRIVATE
_json_test_interface_${test_name}_cpp_${cxx_standard}
)
endif()
if (JSON_FastTests)
add_test(NAME ${test_target}
COMMAND ${test_target} ${DOCTEST_TEST_FILTER}
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
)
else()
add_test(NAME ${test_target}
COMMAND ${test_target} ${DOCTEST_TEST_FILTER} --no-skip
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
)
endif()
set_tests_properties(${test_target} PROPERTIES LABELS "all" FIXTURES_REQUIRED TEST_DATA)
# apply standard-specific test properties
if(TARGET _json_test_interface__cpp_${cxx_standard})
_json_test_apply_test_properties(${test_target} _json_test_interface__cpp_${cxx_standard})
endif()
# apply test-specific test properties
if(TARGET _json_test_interface_${test_name})
_json_test_apply_test_properties(${test_target} _json_test_interface_${test_name})
endif()
# apply test- and standard-specific test properties
if(TARGET _json_test_interface_${test_name}_cpp_${cxx_standard})
_json_test_apply_test_properties(${test_target}
_json_test_interface_${test_name}_cpp_${cxx_standard}
)
endif()
if(JSON_Valgrind)
add_test(NAME ${test_target}_valgrind
COMMAND ${memcheck_command} $<TARGET_FILE:${test_target}> ${DOCTEST_TEST_FILTER}
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
)
set_tests_properties(${test_target}_valgrind PROPERTIES
LABELS "valgrind" FIXTURES_REQUIRED TEST_DATA
)
endif()
endfunction()
#############################################################################
# json_test_add_test_for(
# <file>
# [NAME <name>]
# MAIN <main>
# [CXX_STANDARDS <version_number>...] [FORCE])
#
# Given a <file> unit-foo.cpp, produces
#
# test-foo_cpp<version_number>
#
# if C++ standard <version_number> is supported by the compiler and the
# source file contains JSON_HAS_CPP_<version_number>.
# Use NAME <name> to override the filename-derived test name.
# Use FORCE to create the test regardless of the file containing
# JSON_HAS_CPP_<version_number>.
# Test targets are linked against <main>.
# CXX_STANDARDS defaults to "11".
#############################################################################
function(json_test_add_test_for file)
cmake_parse_arguments(args "FORCE" "MAIN;NAME" "CXX_STANDARDS" ${ARGN})
if("${args_MAIN}" STREQUAL "")
message(FATAL_ERROR "Required argument MAIN <main> missing.")
endif()
if("${args_NAME}" STREQUAL "")
get_filename_component(file_basename ${file} NAME_WE)
string(REGEX REPLACE "unit-([^$]+)" "test-\\1" test_name ${file_basename})
else()
set(test_name ${args_NAME})
if(NOT test_name MATCHES "test-[^$]+")
message(FATAL_ERROR "Test name must start with 'test-'.")
endif()
endif()
if("${args_CXX_STANDARDS}" STREQUAL "")
set(args_CXX_STANDARDS 11)
endif()
file(READ ${file} file_content)
foreach(cxx_standard ${args_CXX_STANDARDS})
if(NOT compiler_supports_cpp_${cxx_standard})
continue()
endif()
# add unconditionally if C++11 (default) or forced
if(NOT ("${cxx_standard}" STREQUAL 11 OR args_FORCE))
string(FIND "${file_content}" JSON_HAS_CPP_${cxx_standard} has_cpp_found)
if(${has_cpp_found} EQUAL -1)
continue()
endif()
endif()
_json_test_add_test(${test_name} ${file} ${args_MAIN} ${cxx_standard})
endforeach()
endfunction()
#############################################################################
# json_test_should_build_32bit_test(
# <build_32bit_var> <build_32bit_only_var> <input>)
#
# Check if the 32bit unit test should be built based on the value of <input>
# and store the result in the variables <build_32bit_var> and
# <build_32bit_only_var>.
#############################################################################
function(json_test_should_build_32bit_test build_32bit_var build_32bit_only_var input)
set(${build_32bit_only_var} OFF PARENT_SCOPE)
string(TOUPPER "${input}" ${build_32bit_var})
if("${${build_32bit_var}}" STREQUAL AUTO)
# check if compiler is targeting 32bit by default
include(CheckTypeSize)
check_type_size("size_t" sizeof_size_t LANGUAGE CXX)
if(${sizeof_size_t} AND ${sizeof_size_t} EQUAL 4)
message(STATUS "Auto-enabling 32bit unit test.")
set(${build_32bit_var} ON)
else()
set(${build_32bit_var} OFF)
endif()
elseif("${${build_32bit_var}}" STREQUAL ONLY)
set(${build_32bit_only_var} ON PARENT_SCOPE)
endif()
set(${build_32bit_var} "${${build_32bit_var}}" PARENT_SCOPE)
endfunction()

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SRCDIR = ../single_include
all: create_output
##########################################################################
# example files
##########################################################################
# where are the example cpp files
EXAMPLES = $(wildcard mkdocs/docs/examples/*.cpp)
cxx_standard = $(lastword c++11 $(filter c++%, $(subst ., ,$1)))
# create output from a stand-alone example file
%.output: %.cpp
@echo "standard $(call cxx_standard $(<:.cpp=))"
$(MAKE) $(<:.cpp=) \
CPPFLAGS="-I $(SRCDIR) -DJSON_USE_GLOBAL_UDLS=0" \
CXXFLAGS="-std=$(call cxx_standard,$(<:.cpp=)) -Wno-deprecated-declarations"
./$(<:.cpp=) > $@
rm $(<:.cpp=)
# compare created output with current output of the example files
%.test: %.cpp
$(MAKE) $(<:.cpp=) \
CPPFLAGS="-I $(SRCDIR) -DJSON_USE_GLOBAL_UDLS=0" \
CXXFLAGS="-std=$(call cxx_standard,$(<:.cpp=)) -Wno-deprecated-declarations"
./$(<:.cpp=) > $@
diff $@ $(<:.cpp=.output)
rm $(<:.cpp=) $@
# create output from all stand-alone example files
create_output: $(EXAMPLES:.cpp=.output)
# check output of all stand-alone example files
check_output: $(EXAMPLES:.cpp=.test)
# check output of all stand-alone example files (exclude files with platform-dependent output.)
# This target is used in the CI (ci_test_documentation).
check_output_portable: $(filter-out mkdocs/docs/examples/meta.test mkdocs/docs/examples/max_size.test mkdocs/docs/examples/std_hash.test mkdocs/docs/examples/basic_json__CompatibleType.test,$(EXAMPLES:.cpp=.test))
clean:
rm -fr $(EXAMPLES:.cpp=)
$(MAKE) clean -C docset

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@@ -1,20 +0,0 @@
# Documentation
## Generate documentation
Note on documentation: The source files contain links to the online documentation at https://json.nlohmann.me. This URL
contains the most recent documentation and should also be applicable to previous versions; documentation for deprecated
functions is not removed, but marked deprecated.
If you want to see the documentation for a specific tag or commit hash, you can generate it as follows (here for tag
`v3.10.2`):
```shell
git clone https://github.com/nlohmann/json.git
cd json
git checkout v3.10.2
make install_venv serve -C docs/mkdocs
```
Open URL <http://127.0.0.1:8000/> in your browser. Replace from any URL from the source code `https://json.nlohmann.me`
with `http://127.0.0.1:8000` to see the documentation for your tag or commit hash.

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleIdentifier</key>
<string>nlohmann_json</string>
<key>CFBundleName</key>
<string>JSON for Modern C++</string>
<key>DocSetPlatformFamily</key>
<string>json</string>
<key>isDashDocset</key>
<true/>
<key>dashIndexFilePath</key>
<string>index.html</string>
<key>DashDocSetFallbackURL</key>
<string>https://nlohmann.github.io/json/</string>
<key>isJavaScriptEnabled</key>
<true/>
</dict>
</plist>

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external/json/docs/docset/Makefile vendored
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@@ -1,88 +0,0 @@
SHELL=/usr/bin/env bash
SED ?= $(shell which gsed 2>/dev/null || which sed)
MKDOCS_PAGES=$(shell cd ../mkdocs/docs/ && find * -type f -name '*.md' | sort)
.PHONY: all
all: JSON_for_Modern_C++.tgz
docSet.dsidx: docSet.sql
# generate index
sqlite3 docSet.dsidx <docSet.sql
JSON_for_Modern_C++.docset: Info.plist docSet.dsidx
rm -fr JSON_for_Modern_C++.docset JSON_for_Modern_C++.tgz
mkdir -p JSON_for_Modern_C++.docset/Contents/Resources/Documents/
cp icon*.png JSON_for_Modern_C++.docset
cp Info.plist JSON_for_Modern_C++.docset/Contents
# build and copy documentation
$(MAKE) install_venv -C ../mkdocs
$(MAKE) build -C ../mkdocs
cp -r ../mkdocs/site/* JSON_for_Modern_C++.docset/Contents/Resources/Documents
# patch CSS to hide navigation items
echo -e "\n\nheader, footer, nav.md-tabs, nav.md-tabs--active, div.md-sidebar--primary, a.md-content__button { display: none; }" >> "$$(ls JSON_for_Modern_C++.docset/Contents/Resources/Documents/assets/stylesheets/main.*.min.css)"
# fix spacing
echo -e "\n\ndiv.md-sidebar div.md-sidebar--secondary, div.md-main__inner { top: 0; margin-top: 0 }" >> "$$(ls JSON_for_Modern_C++.docset/Contents/Resources/Documents/assets/stylesheets/main.*.min.css)"
# remove "JSON for Modern C++" from page titles (fallback)
find JSON_for_Modern_C++.docset/Contents/Resources/Documents -type f -exec $(SED) -i 's| - JSON for Modern C++</title>|</title>|' {} +
# replace page titles with name from index, if available
for page in $(MKDOCS_PAGES); do \
case "$$page" in \
*/index.md) path=$${page/\/index.md/} ;; \
*) path=$${page/.md/} ;; \
esac; \
title=$$(sqlite3 docSet.dsidx "SELECT name FROM searchIndex WHERE path='$$path/index.html'" | tr '\n' ',' | $(SED) -e 's/,/, /g' -e 's/, $$/\n/'); \
if [ "x$$title" != "x" ]; then \
$(SED) -i "s%<title>.*</title>%<title>$$title</title>%" "JSON_for_Modern_C++.docset/Contents/Resources/Documents/$$path/index.html"; \
fi \
done
# clean up
rm JSON_for_Modern_C++.docset/Contents/Resources/Documents/sitemap.*
# copy index
cp docSet.dsidx JSON_for_Modern_C++.docset/Contents/Resources/
JSON_for_Modern_C++.tgz: JSON_for_Modern_C++.docset
tar --exclude='.DS_Store' -cvzf JSON_for_Modern_C++.tgz JSON_for_Modern_C++.docset
# install docset for Zeal documentation browser (https://zealdocs.org/)
.PHONY: install_docset_zeal
install_docset_zeal: JSON_for_Modern_C++.docset
docset_root=$${XDG_DATA_HOME:-$$HOME/.local/share}/Zeal/Zeal/docsets; \
rm -rf $$docset_root/JSON_for_Modern_C++.docset; \
mkdir -p $$docset_root; \
cp -r JSON_for_Modern_C++.docset $$docset_root/
# list mkdocs pages missing from the docset index
.PHONY: list_missing_pages
list_missing_pages: docSet.dsidx
@for page in $(MKDOCS_PAGES); do \
case "$$page" in \
*/index.md) path=$${page/\/index.md/} ;; \
*) path=$${page/.md/} ;; \
esac; \
if [ "x$$page" != "xindex.md" -a "x$$(sqlite3 docSet.dsidx "SELECT COUNT(*) FROM searchIndex WHERE path='$$path/index.html'")" = "x0" ]; then \
echo $$page; \
fi \
done
# list paths in the docset index without a corresponding mkdocs page
.PHONY: list_removed_paths
list_removed_paths: docSet.dsidx
@for path in $$(sqlite3 docSet.dsidx "SELECT path FROM searchIndex"); do \
page=$${path/\/index.html/.md}; \
page_index=$${path/index.html/index.md}; \
page_found=0; \
for p in $(MKDOCS_PAGES); do \
if [ "x$$p" = "x$$page" -o "x$$p" = "x$$page_index" ]; then \
page_found=1; \
fi \
done; \
if [ "x$$page_found" = "x0" ]; then \
echo $$path; \
fi \
done
.PHONY: clean
clean:
rm -f docSet.dsidx
rm -fr JSON_for_Modern_C++.docset JSON_for_Modern_C++.tgz

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external/json/docs/docset/README.md vendored
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@@ -1,19 +0,0 @@
# docset
The folder contains the required files to create a [docset](https://kapeli.com/docsets) which can be used in
documentation browsers like [Dash](https://kapeli.com/dash), [Velocity](https://velocity.silverlakesoftware.com), or
[Zeal](https://zealdocs.org).
The docset can be created with
```sh
make nlohmann_json.docset
```
The generated folder `nlohmann_json.docset` can then be opened in the documentation browser.
A recent version is also part of the [Dash user contributions](https://github.com/Kapeli/Dash-User-Contributions/tree/master/docsets/JSON_for_Modern_C%2B%2B).
## Licenses
The [JSON logo](https://commons.wikimedia.org/wiki/File:JSON_vector_logo.svg) is public domain.

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external/json/docs/docset/docSet.sql vendored
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@@ -1,244 +0,0 @@
DROP TABLE IF EXISTS searchIndex;
CREATE TABLE searchIndex(id INTEGER PRIMARY KEY, name TEXT, type TEXT, path TEXT);
CREATE UNIQUE INDEX anchor ON searchIndex (name, type, path);
-- API
INSERT INTO searchIndex(name, type, path) VALUES ('adl_serializer', 'Class', 'api/adl_serializer/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('adl_serializer::from_json', 'Function', 'api/adl_serializer/from_json/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('adl_serializer::to_json', 'Function', 'api/adl_serializer/to_json/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('byte_container_with_subtype', 'Class', 'api/byte_container_with_subtype/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('byte_container_with_subtype::byte_container_with_subtype', 'Constructor', 'api/byte_container_with_subtype/byte_container_with_subtype/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('byte_container_with_subtype::clear_subtype', 'Method', 'api/byte_container_with_subtype/clear_subtype/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('byte_container_with_subtype::has_subtype', 'Method', 'api/byte_container_with_subtype/has_subtype/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('byte_container_with_subtype::set_subtype', 'Method', 'api/byte_container_with_subtype/set_subtype/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('byte_container_with_subtype::subtype', 'Method', 'api/byte_container_with_subtype/subtype/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json', 'Class', 'api/basic_json/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::accept', 'Function', 'api/basic_json/accept/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::array', 'Function', 'api/basic_json/array/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::array_t', 'Type', 'api/basic_json/array_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::at', 'Method', 'api/basic_json/at/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::back', 'Method', 'api/basic_json/back/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::basic_json', 'Constructor', 'api/basic_json/basic_json/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::begin', 'Method', 'api/basic_json/begin/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::binary', 'Function', 'api/basic_json/binary/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::binary_t', 'Type', 'api/basic_json/binary_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::boolean_t', 'Type', 'api/basic_json/boolean_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::cbegin', 'Method', 'api/basic_json/cbegin/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::cbor_tag_handler_t', 'Enum', 'api/basic_json/cbor_tag_handler_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::cend', 'Method', 'api/basic_json/cend/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::clear', 'Method', 'api/basic_json/clear/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::contains', 'Method', 'api/basic_json/contains/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::count', 'Method', 'api/basic_json/count/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::crbegin', 'Method', 'api/basic_json/crbegin/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::crend', 'Method', 'api/basic_json/crend/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::default_object_comparator_t', 'Type', 'api/basic_json/default_object_comparator_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::diff', 'Function', 'api/basic_json/diff/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::dump', 'Method', 'api/basic_json/dump/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::emplace', 'Method', 'api/basic_json/emplace/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::emplace_back', 'Method', 'api/basic_json/emplace_back/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::empty', 'Method', 'api/basic_json/empty/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::end', 'Method', 'api/basic_json/end/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::end_pos', 'Method', 'api/basic_json/end_pos/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::erase', 'Method', 'api/basic_json/erase/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::error_handler_t', 'Enum', 'api/basic_json/error_handler_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::exception', 'Class', 'api/basic_json/exception/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::find', 'Method', 'api/basic_json/find/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::flatten', 'Method', 'api/basic_json/flatten/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::from_bjdata', 'Function', 'api/basic_json/from_bjdata/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::from_bson', 'Function', 'api/basic_json/from_bson/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::from_cbor', 'Function', 'api/basic_json/from_cbor/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::from_msgpack', 'Function', 'api/basic_json/from_msgpack/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::from_ubjson', 'Function', 'api/basic_json/from_ubjson/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::front', 'Method', 'api/basic_json/front/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::get', 'Method', 'api/basic_json/get/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::get_allocator', 'Function', 'api/basic_json/get_allocator/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::get_binary', 'Method', 'api/basic_json/get_binary/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::get_ptr', 'Method', 'api/basic_json/get_ptr/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::get_ref', 'Method', 'api/basic_json/get_ref/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::get_to', 'Method', 'api/basic_json/get_to/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::input_format_t', 'Enum', 'api/basic_json/input_format_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::insert', 'Method', 'api/basic_json/insert/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::invalid_iterator', 'Class', 'api/basic_json/invalid_iterator/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_array', 'Method', 'api/basic_json/is_array/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_binary', 'Method', 'api/basic_json/is_binary/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_boolean', 'Method', 'api/basic_json/is_boolean/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_discarded', 'Method', 'api/basic_json/is_discarded/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_null', 'Method', 'api/basic_json/is_null/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_number', 'Method', 'api/basic_json/is_number/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_number_float', 'Method', 'api/basic_json/is_number_float/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_number_integer', 'Method', 'api/basic_json/is_number_integer/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_number_unsigned', 'Method', 'api/basic_json/is_number_unsigned/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_object', 'Method', 'api/basic_json/is_object/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_primitive', 'Method', 'api/basic_json/is_primitive/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_string', 'Method', 'api/basic_json/is_string/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::is_structured', 'Method', 'api/basic_json/is_structured/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::items', 'Method', 'api/basic_json/items/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::json_base_class_t', 'Type', 'api/basic_json/json_base_class_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::json_serializer', 'Class', 'api/basic_json/json_serializer/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::max_size', 'Method', 'api/basic_json/max_size/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::merge_patch', 'Method', 'api/basic_json/merge_patch/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::meta', 'Function', 'api/basic_json/meta/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::number_float_t', 'Type', 'api/basic_json/number_float_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::number_integer_t', 'Type', 'api/basic_json/number_integer_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::number_unsigned_t', 'Type', 'api/basic_json/number_unsigned_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::object', 'Function', 'api/basic_json/object/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::object_comparator_t', 'Type', 'api/basic_json/object_comparator_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::object_t', 'Type', 'api/basic_json/object_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator ValueType', 'Operator', 'api/basic_json/operator_ValueType/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator value_t', 'Operator', 'api/basic_json/operator_value_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator[]', 'Operator', 'api/basic_json/operator[]/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator=', 'Operator', 'api/basic_json/operator=/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator+=', 'Operator', 'api/basic_json/operator+=/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator==', 'Operator', 'api/basic_json/operator_eq/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator!=', 'Operator', 'api/basic_json/operator_ne/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator<', 'Operator', 'api/basic_json/operator_lt/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator<=', 'Operator', 'api/basic_json/operator_le/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator>', 'Operator', 'api/basic_json/operator_gt/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator>=', 'Operator', 'api/basic_json/operator_ge/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::operator<=>', 'Operator', 'api/basic_json/operator_spaceship/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::out_of_range', 'Class', 'api/basic_json/out_of_range/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::other_error', 'Class', 'api/basic_json/other_error/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::parse', 'Function', 'api/basic_json/parse/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::parse_error', 'Class', 'api/basic_json/parse_error/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::parse_event_t', 'Enum', 'api/basic_json/parse_event_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::parser_callback_t', 'Type', 'api/basic_json/parser_callback_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::patch', 'Method', 'api/basic_json/patch/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::patch_inplace', 'Method', 'api/basic_json/patch_inplace/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::push_back', 'Method', 'api/basic_json/push_back/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::rbegin', 'Method', 'api/basic_json/rbegin/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::rend', 'Method', 'api/basic_json/rend/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::sax_parse', 'Function', 'api/basic_json/sax_parse/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::size', 'Method', 'api/basic_json/size/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::start_pos', 'Method', 'api/basic_json/start_pos/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::string_t', 'Type', 'api/basic_json/string_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::swap', 'Method', 'api/basic_json/swap/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::type', 'Method', 'api/basic_json/type/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::type_error', 'Class', 'api/basic_json/type_error/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::type_name', 'Method', 'api/basic_json/type_name/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::unflatten', 'Method', 'api/basic_json/unflatten/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::update', 'Method', 'api/basic_json/update/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::to_bjdata', 'Function', 'api/basic_json/to_bjdata/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::to_bson', 'Function', 'api/basic_json/to_bson/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::to_cbor', 'Function', 'api/basic_json/to_cbor/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::to_msgpack', 'Function', 'api/basic_json/to_msgpack/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::to_string', 'Method', 'api/basic_json/to_string/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::to_ubjson', 'Function', 'api/basic_json/to_ubjson/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::value', 'Method', 'api/basic_json/value/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::value_t', 'Enum', 'api/basic_json/value_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('basic_json::~basic_json', 'Method', 'api/basic_json/~basic_json/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json', 'Class', 'api/json/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer', 'Class', 'api/json_pointer/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::back', 'Method', 'api/json_pointer/back/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::empty', 'Method', 'api/json_pointer/empty/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::json_pointer', 'Constructor', 'api/json_pointer/json_pointer/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::operator==', 'Operator', 'api/json_pointer/operator_eq/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::operator!=', 'Operator', 'api/json_pointer/operator_ne/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::operator/', 'Operator', 'api/json_pointer/operator_slash/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::operator/=', 'Operator', 'api/json_pointer/operator_slasheq/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::operator string_t', 'Operator', 'api/json_pointer/operator_string_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::parent_pointer', 'Method', 'api/json_pointer/parent_pointer/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::pop_back', 'Method', 'api/json_pointer/pop_back/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::push_back', 'Method', 'api/json_pointer/push_back/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::string_t', 'Type', 'api/json_pointer/string_t/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_pointer::to_string', 'Method', 'api/json_pointer/to_string/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_sax', 'Class', 'api/json_sax/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::binary', 'Method', 'api/json_sax/binary/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::boolean', 'Method', 'api/json_sax/boolean/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::end_array', 'Method', 'api/json_sax/end_array/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::end_object', 'Method', 'api/json_sax/end_object/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::key', 'Method', 'api/json_sax/key/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::null', 'Method', 'api/json_sax/null/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::number_float', 'Method', 'api/json_sax/number_float/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::number_integer', 'Method', 'api/json_sax/number_integer/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::number_unsigned', 'Method', 'api/json_sax/number_unsigned/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::parse_error', 'Method', 'api/json_sax/parse_error/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::start_array', 'Method', 'api/json_sax/start_array/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::start_object', 'Method', 'api/json_sax/start_object/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('json_sax::string', 'Method', 'api/json_sax/string/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('operator""_json', 'Literal', 'api/operator_literal_json/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('operator""_json_pointer', 'Literal', 'api/operator_literal_json_pointer/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('operator<<', 'Operator', 'api/operator_ltlt/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('operator>>', 'Operator', 'api/operator_gtgt/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('ordered_json', 'Class', 'api/ordered_json/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('ordered_map', 'Class', 'api/ordered_map/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('std::hash<basic_json>', 'Class', 'api/basic_json/std_hash/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('std::swap<basic_json>', 'Function', 'api/basic_json/std_swap/index.html');
-- Features
INSERT INTO searchIndex(name, type, path) VALUES ('Arbitrary Type Conversions', 'Guide', 'features/arbitrary_types/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Binary Formats', 'Guide', 'features/binary_formats/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Binary Formats: BJData', 'Guide', 'features/binary_formats/bjdata/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Binary Formats: BSON', 'Guide', 'features/binary_formats/bson/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Binary Formats: CBOR', 'Guide', 'features/binary_formats/cbor/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Binary Formats: MessagePack', 'Guide', 'features/binary_formats/messagepack/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Binary Formats: UBJSON', 'Guide', 'features/binary_formats/ubjson/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Binary Values', 'Guide', 'features/binary_values/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Comments', 'Guide', 'features/comments/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Element Access', 'Guide', 'features/element_access/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Element Access: Access with default value: value', 'Guide', 'features/element_access/default_value/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Element Access: Checked access: at', 'Guide', 'features/element_access/checked_access/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Element Access: Unchecked access: operator[]', 'Guide', 'features/element_access/unchecked_access/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Exceptions', 'Guide', 'home/exceptions/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Integration: Migration Guide', 'Guide', 'integration/migration_guide/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Integration: CMake', 'Guide', 'integration/cmake/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Integration: Header only', 'Guide', 'integration/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Integration: Package Managers', 'Guide', 'integration/package_managers/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Integration: Pkg-config', 'Guide', 'integration/pkg-config/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Iterators', 'Guide', 'features/iterators/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON Merge Patch', 'Guide', 'features/merge_patch/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON Patch and Diff', 'Guide', 'features/json_patch/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON Pointer', 'Guide', 'features/json_pointer/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('nlohmann Namespace', 'Guide', 'features/namespace/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Types', 'Guide', 'features/types/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Types: Number Handling', 'Guide', 'features/types/number_handling/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Object Order', 'Guide', 'features/object_order/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Parsing', 'Guide', 'features/parsing/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Parsing: JSON Lines', 'Guide', 'features/parsing/json_lines/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Parsing: Parser Callbacks', 'Guide', 'features/parsing/parser_callbacks/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Parsing: Parsing and Exceptions', 'Guide', 'features/parsing/parse_exceptions/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Parsing: SAX Interface', 'Guide', 'features/parsing/sax_interface/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Runtime Assertions', 'Guide', 'features/assertions/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Specializing enum conversion', 'Guide', 'features/enum_conversion/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Supported Macros', 'Guide', 'features/macros/index.html');
-- Macros
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_ASSERT', 'Macro', 'api/macros/json_assert/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_CATCH_USER', 'Macro', 'api/macros/json_throw_user/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_DIAGNOSTICS', 'Macro', 'api/macros/json_diagnostics/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_DIAGNOSTIC_POSITIONS', 'Macro', 'api/macros/json_diagnostic_positions/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_DISABLE_ENUM_SERIALIZATION', 'Macro', 'api/macros/json_disable_enum_serialization/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_CPP_11', 'Macro', 'api/macros/json_has_cpp_11/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_CPP_14', 'Macro', 'api/macros/json_has_cpp_11/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_CPP_17', 'Macro', 'api/macros/json_has_cpp_11/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_CPP_20', 'Macro', 'api/macros/json_has_cpp_11/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_EXPERIMENTAL_FILESYSTEM', 'Macro', 'api/macros/json_has_filesystem/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_FILESYSTEM', 'Macro', 'api/macros/json_has_filesystem/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_RANGES', 'Macro', 'api/macros/json_has_ranges/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_STATIC_RTTI', 'Macro', 'api/macros/json_has_static_rtti/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_HAS_THREE_WAY_COMPARISON', 'Macro', 'api/macros/json_has_three_way_comparison/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_NOEXCEPTION', 'Macro', 'api/macros/json_noexception/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_NO_IO', 'Macro', 'api/macros/json_no_io/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_SKIP_LIBRARY_VERSION_CHECK', 'Macro', 'api/macros/json_skip_library_version_check/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_SKIP_UNSUPPORTED_COMPILER_CHECK', 'Macro', 'api/macros/json_skip_unsupported_compiler_check/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_THROW_USER', 'Macro', 'api/macros/json_throw_user/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_TRY_USER', 'Macro', 'api/macros/json_throw_user/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_USE_GLOBAL_UDLS', 'Macro', 'api/macros/json_use_global_udls/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_USE_IMPLICIT_CONVERSIONS', 'Macro', 'api/macros/json_use_implicit_conversions/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('JSON_USE_LEGACY_DISCARDED_VALUE_COMPARISON', 'Macro', 'api/macros/json_use_legacy_discarded_value_comparison/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('Macros', 'Macro', 'api/macros/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_DERIVED_TYPE_INTRUSIVE', 'Macro', 'api/macros/nlohmann_define_derived_type/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_DERIVED_TYPE_INTRUSIVE_WITH_DEFAULT', 'Macro', 'api/macros/nlohmann_define_derived_type/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_DERIVED_TYPE_NON_INTRUSIVE', 'Macro', 'api/macros/nlohmann_define_derived_type/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_DERIVED_TYPE_NON_INTRUSIVE_WITH_DEFAULT', 'Macro', 'api/macros/nlohmann_define_derived_type/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_TYPE_INTRUSIVE', 'Macro', 'api/macros/nlohmann_define_type_intrusive/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT', 'Macro', 'api/macros/nlohmann_define_type_intrusive/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE', 'Macro', 'api/macros/nlohmann_define_type_non_intrusive/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_DEFINE_TYPE_NON_INTRUSIVE_WITH_DEFAULT', 'Macro', 'api/macros/nlohmann_define_type_non_intrusive/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_JSON_NAMESPACE', 'Macro', 'api/macros/nlohmann_json_namespace/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_JSON_NAMESPACE_BEGIN', 'Macro', 'api/macros/nlohmann_json_namespace_begin/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_JSON_NAMESPACE_END', 'Macro', 'api/macros/nlohmann_json_namespace_begin/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_JSON_NAMESPACE_NO_VERSION', 'Macro', 'api/macros/nlohmann_json_namespace_no_version/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_JSON_SERIALIZE_ENUM', 'Macro', 'api/macros/nlohmann_json_serialize_enum/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_JSON_VERSION_MAJOR', 'Macro', 'api/macros/nlohmann_json_version_major/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_JSON_VERSION_MINOR', 'Macro', 'api/macros/nlohmann_json_version_major/index.html');
INSERT INTO searchIndex(name, type, path) VALUES ('NLOHMANN_JSON_VERSION_PATCH', 'Macro', 'api/macros/nlohmann_json_version_major/index.html');

10
external/json/docs/docset/docset.json vendored
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{
"name": "JSON for Modern C++",
"version": "3.12.0",
"archive": "JSON_for_Modern_C++.tgz",
"author": {
"name": "Niels Lohmann",
"link": "https://twitter.com/nlohmann"
},
"aliases": ["nlohmann/json"]
}

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external/json/docs/mkdocs/Makefile vendored
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# serve the site locally
serve: style_check
venv/bin/mkdocs serve
serve_dirty: style_check
venv/bin/mkdocs serve --dirtyreload
# This target is used in the CI (ci_test_build_documentation).
# This target is used by the docset Makefile.
build: style_check
venv/bin/mkdocs build
style_check:
@cd docs ; ../venv/bin/python3 ../scripts/check_structure.py
# check the links in the documentation files in docs/mkdocs
link_check:
ENABLED_HTMLPROOFER=true venv/bin/mkdocs build
# check the links in all other Markdown files
link_check_markdowns:
npx markdown-link-check --progress --alive 200,429 ../../README.md ../../FILES.md ../../.github/*.md
# publish site to GitHub pages (not working in GitHub Actions; need special action)
publish:
venv/bin/mkdocs gh-deploy --clean --force
# install a Python virtual environment
# This target is used by the docset Makefile.
install_venv: requirements.txt
python3 -mvenv venv
venv/bin/pip install --upgrade pip
venv/bin/pip install -r requirements.txt
# uninstall the virtual environment
uninstall_venv:
rm -fr venv
update_requirements:
rm -fr venv_small
python3 -mvenv venv_small
venv_small/bin/pip3 install pur
venv_small/bin/pur -r requirements.txt
rm -fr venv_small venv
make install_venv

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# <small>nlohmann::adl_serializer::</small>from_json
```cpp
// (1)
template<typename BasicJsonType, typename TargetType = ValueType>
static auto from_json(BasicJsonType && j, TargetType& val) noexcept(
noexcept(::nlohmann::from_json(std::forward<BasicJsonType>(j), val)))
-> decltype(::nlohmann::from_json(std::forward<BasicJsonType>(j), val), void())
// (2)
template<typename BasicJsonType, typename TargetType = ValueType>
static auto from_json(BasicJsonType && j) noexcept(
noexcept(::nlohmann::from_json(std::forward<BasicJsonType>(j), detail::identity_tag<TargetType> {})))
-> decltype(::nlohmann::from_json(std::forward<BasicJsonType>(j), detail::identity_tag<TargetType> {}))
```
This function is usually called by the [`get()`](../basic_json/get.md) function of the [basic_json](../basic_json/index.md)
class (either explicitly or via the conversion operators).
1. This function is chosen for default-constructible value types.
2. This function is chosen for value types which are not default-constructible.
## Parameters
`j` (in)
: JSON value to read from
`val` (out)
: value to write to
## Return value
Copy of the JSON value, converted to `ValueType`
## Examples
??? example "Example: (1) Default-constructible type"
The example below shows how a `from_json` function can be implemented for a user-defined type. This function is
called by the `adl_serializer` when `template get<ns::person>()` is called.
```cpp
--8<-- "examples/from_json__default_constructible.cpp"
```
Output:
```json
--8<-- "examples/from_json__default_constructible.output"
```
??? example "Example: (2) Non-default-constructible type"
The example below shows how a `from_json` is implemented as part of a specialization of the `adl_serializer` to
realize the conversion of a non-default-constructible type.
```cpp
--8<-- "examples/from_json__non_default_constructible.cpp"
```
Output:
```json
--8<-- "examples/from_json__non_default_constructible.output"
```
## See also
- [to_json](to_json.md)
## Version history
- Added in version 2.1.0.

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# <small>nlohmann::</small>adl_serializer
```cpp
template<typename, typename>
struct adl_serializer;
```
Serializer that uses ADL ([Argument-Dependent Lookup](https://en.cppreference.com/w/cpp/language/adl)) to choose
`to_json`/`from_json` functions from the types' namespaces.
It is implemented similar to
```cpp
template<typename ValueType>
struct adl_serializer {
template<typename BasicJsonType>
static void to_json(BasicJsonType& j, const T& value) {
// calls the "to_json" method in T's namespace
}
template<typename BasicJsonType>
static void from_json(const BasicJsonType& j, T& value) {
// same thing, but with the "from_json" method
}
};
```
## Member functions
- [**from_json**](from_json.md) - convert a JSON value to any value type
- [**to_json**](to_json.md) - convert any value type to a JSON value
## Version history
- Added in version 2.1.0.

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# <small>nlohmann::adl_serializer::</small>to_json
```cpp
template<typename BasicJsonType, typename TargetType = ValueType>
static auto to_json(BasicJsonType& j, TargetType && val) noexcept(
noexcept(::nlohmann::to_json(j, std::forward<TargetType>(val))))
-> decltype(::nlohmann::to_json(j, std::forward<TargetType>(val)), void())
```
This function is usually called by the constructors of the [basic_json](../basic_json/index.md) class.
## Parameters
`j` (out)
: JSON value to write to
`val` (in)
: value to read from
## Examples
??? example
The example below shows how a `to_json` function can be implemented for a user-defined type. This function is called
by the `adl_serializer` when the constructor `basic_json(ns::person)` is called.
```cpp
--8<-- "examples/to_json.cpp"
```
Output:
```json
--8<-- "examples/to_json.output"
```
## See also
- [from_json](from_json.md)
## Version history
- Added in version 2.1.0.

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# <small>nlohmann::basic_json::</small>accept
```cpp
// (1)
template<typename InputType>
static bool accept(InputType&& i,
const bool ignore_comments = false);
// (2)
template<typename IteratorType>
static bool accept(IteratorType first, IteratorType last,
const bool ignore_comments = false);
```
Checks whether the input is valid JSON.
1. Reads from a compatible input.
2. Reads from a pair of character iterators
The value_type of the iterator must be an integral type with a size of 1, 2, or 4 bytes, which will be interpreted
respectively as UTF-8, UTF-16, and UTF-32.
Unlike the [`parse()`](parse.md) function, this function neither throws an exception in case of invalid JSON input
(i.e., a parse error) nor creates diagnostic information.
## Template parameters
`InputType`
: A compatible input, for instance:
- an `std::istream` object
- a `#!c FILE` pointer (throws if null)
- a C-style array of characters
- a pointer to a null-terminated string of single byte characters (throws if null)
- a `std::string`
- an object `obj` for which `begin(obj)` and `end(obj)` produces a valid pair of iterators.
`IteratorType`
: a compatible iterator type, for instance.
- a pair of `std::string::iterator` or `std::vector<std::uint8_t>::iterator`
- a pair of pointers such as `ptr` and `ptr + len`
## Parameters
`i` (in)
: Input to parse from.
`ignore_comments` (in)
: whether comments should be ignored and treated like whitespace (`#!cpp true`) or yield a parse error
(`#!cpp false`); (optional, `#!cpp false` by default)
`first` (in)
: iterator to the start of the character range
`last` (in)
: iterator to the end of the character range
## Return value
Whether the input is valid JSON.
## Exception safety
Strong guarantee: if an exception is thrown, there are no changes in the JSON value.
## Exceptions
Throws [`parse_error.101`](../../home/exceptions.md#jsonexceptionparse_error101) in case of an empty input like a null `#!c FILE*` or `#!c char*` pointer.
## Complexity
Linear in the length of the input. The parser is a predictive LL(1) parser.
## Notes
A UTF-8 byte order mark is silently ignored.
## Examples
??? example
The example below demonstrates the `accept()` function reading from a string.
```cpp
--8<-- "examples/accept__string.cpp"
```
Output:
```json
--8<-- "examples/accept__string.output"
```
## See also
- [parse](parse.md) - deserialize from a compatible input
- [operator>>](../operator_gtgt.md) - deserialize from stream
## Version history
- Added in version 3.0.0.
- Ignoring comments via `ignore_comments` added in version 3.9.0.
- Changed [runtime assertion](../../features/assertions.md) in case of `FILE*` null pointers to exception in version 3.12.0.
!!! warning "Deprecation"
Overload (2) replaces calls to `accept` with a pair of iterators as their first parameter which has been
deprecated in version 3.8.0. This overload will be removed in version 4.0.0. Please replace all calls like
`#!cpp accept({ptr, ptr+len}, ...);` with `#!cpp accept(ptr, ptr+len, ...);`.
You should be warned by your compiler with a `-Wdeprecated-declarations` warning if you are using a deprecated
function.

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# <small>nlohmann::basic_json::</small>array
```cpp
static basic_json array(initializer_list_t init = {});
```
Creates a JSON array value from a given initializer list. That is, given a list of values `a, b, c`, creates the JSON
value `#!json [a, b, c]`. If the initializer list is empty, the empty array `#!json []` is created.
## Parameters
`init` (in)
: initializer list with JSON values to create an array from (optional)
## Return value
JSON array value
## Exception safety
Strong guarantee: if an exception is thrown, there are no changes in the JSON value.
## Complexity
Linear in the size of `init`.
## Notes
This function is only needed to express two edge cases that cannot be realized with the initializer list constructor
([`basic_json(initializer_list_t, bool, value_t)`](basic_json.md)). These cases are:
1. creating an array whose elements are all pairs whose first element is a string -- in this case, the initializer list
constructor would create an object, taking the first elements as keys
2. creating an empty array -- passing the empty initializer list to the initializer list constructor yields an empty
object
## Examples
??? example
The following code shows an example for the `array` function.
```cpp
--8<-- "examples/array.cpp"
```
Output:
```json
--8<-- "examples/array.output"
```
## See also
- [`basic_json(initializer_list_t)`](basic_json.md) - create a JSON value from an initializer list
- [`object`](object.md) - create a JSON object value from an initializer list
## Version history
- Added in version 1.0.0.

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# <small>nlohmann::basic_json::</small>array_t
```cpp
using array_t = ArrayType<basic_json, AllocatorType<basic_json>>;
```
The type used to store JSON arrays.
[RFC 8259](https://tools.ietf.org/html/rfc8259) describes JSON arrays as follows:
> An array is an ordered sequence of zero or more values.
To store objects in C++, a type is defined by the template parameters explained below.
## Template parameters
`ArrayType`
: container type to store arrays (e.g., `std::vector` or `std::list`)
`AllocatorType`
: the allocator to use for objects (e.g., `std::allocator`)
## Notes
#### Default type
With the default values for `ArrayType` (`std::vector`) and `AllocatorType` (`std::allocator`), the default value for
`array_t` is:
```cpp
std::vector<
basic_json, // value_type
std::allocator<basic_json> // allocator_type
>
```
#### Limits
[RFC 8259](https://tools.ietf.org/html/rfc8259) specifies:
> An implementation may set limits on the maximum depth of nesting.
In this class, the array's limit of nesting is not explicitly constrained. However, a maximum depth of nesting may be
introduced by the compiler or runtime environment. A theoretical limit can be queried by calling the
[`max_size`](max_size.md) function of a JSON array.
#### Storage
Arrays are stored as pointers in a `basic_json` type. That is, for any access to array values, a pointer of type
`#!cpp array_t*` must be dereferenced.
## Examples
??? example
The following code shows that `array_t` is by default, a typedef to `#!cpp std::vector<nlohmann::json>`.
```cpp
--8<-- "examples/array_t.cpp"
```
Output:
```json
--8<-- "examples/array_t.output"
```
## Version history
- Added in version 1.0.0.

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# <small>nlohmann::basic_json::</small>at
```cpp
// (1)
reference at(size_type idx);
const_reference at(size_type idx) const;
// (2)
reference at(const typename object_t::key_type& key);
const_reference at(const typename object_t::key_type& key) const;
// (3)
template<typename KeyType>
reference at(KeyType&& key);
template<typename KeyType>
const_reference at(KeyType&& key) const;
// (4)
reference at(const json_pointer& ptr);
const_reference at(const json_pointer& ptr) const;
```
1. Returns a reference to the array element at specified location `idx`, with bounds checking.
2. Returns a reference to the object element with specified key `key`, with bounds checking.
3. See 2. This overload is only available if `KeyType` is comparable with `#!cpp typename object_t::key_type` and
`#!cpp typename object_comparator_t::is_transparent` denotes a type.
4. Returns a reference to the element at specified JSON pointer `ptr`, with bounds checking.
## Template parameters
`KeyType`
: A type for an object key other than [`json_pointer`](../json_pointer/index.md) that is comparable with
[`string_t`](string_t.md) using [`object_comparator_t`](object_comparator_t.md).
This can also be a string view (C++17).
## Parameters
`idx` (in)
: index of the element to access
`key` (in)
: object key of the elements to access
`ptr` (in)
: JSON pointer to the desired element
## Return value
1. reference to the element at index `idx`
2. reference to the element at key `key`
3. reference to the element at key `key`
4. reference to the element pointed to by `ptr`
## Exception safety
Strong exception safety: if an exception occurs, the original value stays intact.
## Exceptions
1. The function can throw the following exceptions:
- Throws [`type_error.304`](../../home/exceptions.md#jsonexceptiontype_error304) if the JSON value is not an array;
in this case, calling `at` with an index makes no sense. See the example below.
- Throws [`out_of_range.401`](../../home/exceptions.md#jsonexceptionout_of_range401) if the index `idx` is out of
range of the array; that is, `idx >= size()`. See the example below.
2. The function can throw the following exceptions:
- Throws [`type_error.304`](../../home/exceptions.md#jsonexceptiontype_error304) if the JSON value is not an object;
in this case, calling `at` with a key makes no sense. See the example below.
- Throws [`out_of_range.403`](../../home/exceptions.md#jsonexceptionout_of_range403) if the key `key` is not
stored in the object; that is, `find(key) == end()`. See the example below.
3. See 2.
4. The function can throw the following exceptions:
- Throws [`parse_error.106`](../../home/exceptions.md#jsonexceptionparse_error106) if an array index in the passed
JSON pointer `ptr` begins with '0'. See the example below.
- Throws [`parse_error.109`](../../home/exceptions.md#jsonexceptionparse_error109) if an array index in the passed
JSON pointer `ptr` is not a number. See the example below.
- Throws [`out_of_range.401`](../../home/exceptions.md#jsonexceptionout_of_range401) if an array index in the passed
JSON pointer `ptr` is out of range. See the example below.
- Throws [`out_of_range.402`](../../home/exceptions.md#jsonexceptionout_of_range402) if the array index '-' is used
in the passed JSON pointer `ptr`. As `at` provides checked access (and no elements are implicitly inserted), the
index '-' is always invalid. See the example below.
- Throws [`out_of_range.403`](../../home/exceptions.md#jsonexceptionout_of_range403) if the JSON pointer describes a
key of an object which cannot be found. See the example below.
- Throws [`out_of_range.404`](../../home/exceptions.md#jsonexceptionout_of_range404) if the JSON pointer `ptr` can
not be resolved. See the example below.
## Complexity
1. Constant.
2. Logarithmic in the size of the container.
3. Logarithmic in the size of the container.
4. Logarithmic in the size of the container.
## Examples
??? example "Example: (1) access specified array element with bounds checking"
The example below shows how array elements can be read and written using `at()`. It also demonstrates the different
exceptions that can be thrown.
```cpp
--8<-- "examples/at__size_type.cpp"
```
Output:
```json
--8<-- "examples/at__size_type.output"
```
??? example "Example: (1) access specified array element with bounds checking"
The example below shows how array elements can be read using `at()`. It also demonstrates the different exceptions
that can be thrown.
```cpp
--8<-- "examples/at__size_type_const.cpp"
```
Output:
```json
--8<-- "examples/at__size_type_const.output"
```
??? example "Example: (2) access specified object element with bounds checking"
The example below shows how object elements can be read and written using `at()`. It also demonstrates the different
exceptions that can be thrown.
```cpp
--8<-- "examples/at__object_t_key_type.cpp"
```
Output:
```json
--8<-- "examples/at__object_t_key_type.output"
```
??? example "Example: (2) access specified object element with bounds checking"
The example below shows how object elements can be read using `at()`. It also demonstrates the different exceptions
that can be thrown.
```cpp
--8<-- "examples/at__object_t_key_type_const.cpp"
```
Output:
```json
--8<-- "examples/at__object_t_key_type_const.output"
```
??? example "Example: (3) access specified object element using string_view with bounds checking"
The example below shows how object elements can be read and written using `at()`. It also demonstrates the different
exceptions that can be thrown.
```cpp
--8<-- "examples/at__keytype.c++17.cpp"
```
Output:
```json
--8<-- "examples/at__keytype.c++17.output"
```
??? example "Example: (3) access specified object element using string_view with bounds checking"
The example below shows how object elements can be read using `at()`. It also demonstrates the different exceptions
that can be thrown.
```cpp
--8<-- "examples/at__keytype_const.c++17.cpp"
```
Output:
```json
--8<-- "examples/at__keytype_const.c++17.output"
```
??? example "Example: (4) access specified element via JSON Pointer"
The example below shows how object elements can be read and written using `at()`. It also demonstrates the different
exceptions that can be thrown.
```cpp
--8<-- "examples/at__json_pointer.cpp"
```
Output:
```json
--8<-- "examples/at__json_pointer.output"
```
??? example "Example: (4) access specified element via JSON Pointer"
The example below shows how object elements can be read using `at()`. It also demonstrates the different exceptions
that can be thrown.
```cpp
--8<-- "examples/at__json_pointer_const.cpp"
```
Output:
```json
--8<-- "examples/at__json_pointer_const.output"
```
## See also
- documentation on [checked access](../../features/element_access/checked_access.md)
- [`operator[]`](operator%5B%5D.md) for unchecked access by reference
- [`value`](value.md) for access with default value
## Version history
1. Added in version 1.0.0.
2. Added in version 1.0.0.
3. Added in version 3.11.0.
4. Added in version 2.0.0.

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# <small>nlohmann::basic_json::</small>back
```cpp
reference back();
const_reference back() const;
```
Returns a reference to the last element in the container. For a JSON container `c`, the expression `c.back()` is
equivalent to
```cpp
auto tmp = c.end();
--tmp;
return *tmp;
```
## Return value
In the case of a structured type (array or object), a reference to the last element is returned. In the case of number,
string, boolean, or binary values, a reference to the value is returned.
## Exception safety
Strong guarantee: if an exception is thrown, there are no changes in the JSON value.
## Exceptions
If the JSON value is `#!json null`, exception
[`invalid_iterator.214`](../../home/exceptions.md#jsonexceptioninvalid_iterator214) is thrown.
## Complexity
Constant.
## Notes
!!! info "Precondition"
The array or object must not be empty. Calling `back` on an empty array or object yields undefined behavior.
## Examples
??? example
The following code shows an example for `back()`.
```cpp
--8<-- "examples/back.cpp"
```
Output:
```json
--8<-- "examples/back.output"
```
## See also
- [front](front.md) to access the first element
## Version history
- Added in version 1.0.0.
- Adjusted code to return reference to binary values in version 3.8.0.

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# <small>nlohmann::basic_json::</small>basic_json
```cpp
// (1)
basic_json(const value_t v);
// (2)
basic_json(std::nullptr_t = nullptr) noexcept;
// (3)
template<typename CompatibleType>
basic_json(CompatibleType&& val) noexcept(noexcept(
JSONSerializer<U>::to_json(std::declval<basic_json_t&>(),
std::forward<CompatibleType>(val))));
// (4)
template<typename BasicJsonType>
basic_json(const BasicJsonType& val);
// (5)
basic_json(initializer_list_t init,
bool type_deduction = true,
value_t manual_type = value_t::array);
// (6)
basic_json(size_type cnt, const basic_json& val);
// (7)
basic_json(iterator first, iterator last);
basic_json(const_iterator first, const_iterator last);
// (8)
basic_json(const basic_json& other);
// (9)
basic_json(basic_json&& other) noexcept;
```
1. Create an empty JSON value with a given type. The value will be default initialized with an empty value which depends
on the type:
| Value type | initial value |
|------------|----------------|
| null | `#!json null` |
| boolean | `#!json false` |
| string | `#!json ""` |
| number | `#!json 0` |
| object | `#!json {}` |
| array | `#!json []` |
| binary | empty array |
The postcondition of this constructor can be restored by calling [`clear()`](clear.md).
2. Create a `#!json null` JSON value. It either takes a null pointer as parameter (explicitly creating `#!json null`)
or no parameter (implicitly creating `#!json null`). The passed null pointer itself is not read -- it is only used to
choose the right constructor.
3. This is a "catch all" constructor for all compatible JSON types; that is, types for which a `to_json()` method
exists. The constructor forwards the parameter `val` to that method (to `json_serializer<U>::to_json` method with
`U = uncvref_t<CompatibleType>`, to be exact).
Template type `CompatibleType` includes, but is not limited to, the following types:
- **arrays**: [`array_t`](array_t.md) and all kinds of compatible containers such as `std::vector`, `std::deque`,
`std::list`, `std::forward_list`, `std::array`, `std::valarray`, `std::set`, `std::unordered_set`, `std::multiset`,
and `std::unordered_multiset` with a `value_type` from which a `basic_json` value can be constructed.
- **objects**: [`object_t`](object_t.md) and all kinds of compatible associative containers such as `std::map`,
`std::unordered_map`, `std::multimap`, and `std::unordered_multimap` with a `key_type` compatible to `string_t`
and a `value_type` from which a `basic_json` value can be constructed.
- **strings**: `string_t`, string literals, and all compatible string containers can be used.
- **numbers**: [`number_integer_t`](number_integer_t.md), [`number_unsigned_t`](number_unsigned_t.md),
[`number_float_t`](number_float_t.md), and all convertible number types such as `int`, `size_t`, `int64_t`, `float`
or `double` can be used.
- **boolean**: `boolean_t` / `bool` can be used.
- **binary**: `binary_t` / `std::vector<uint8_t>` may be used; unfortunately because string literals cannot be
distinguished from binary character arrays by the C++ type system, all types compatible with `const char*` will be
directed to the string constructor instead. This is both for backwards compatibility, and due to the fact that a
binary type is not a standard JSON type.
See the examples below.
4. This is a constructor for existing `basic_json` types. It does not hijack copy/move constructors, since the parameter
has different template arguments than the current ones.
The constructor tries to convert the internal `m_value` of the parameter.
5. Creates a JSON value of type array or object from the passed initializer list `init`. In case `type_deduction` is
`#!cpp true` (default), the type of the JSON value to be created is deducted from the initializer list `init`
according to the following rules:
1. If the list is empty, an empty JSON object value `{}` is created.
2. If the list consists of pairs whose first element is a string, a JSON object value is created where the first
elements of the pairs are treated as keys and the second elements are as values.
3. In all other cases, an array is created.
The rules aim to create the best fit between a C++ initializer list and JSON values. The rationale is as follows:
1. The empty initializer list is written as `#!cpp {}` which is exactly an empty JSON object.
2. C++ has no way of describing mapped types other than to list a list of pairs. As JSON requires that keys must be
of type string, rule 2 is the weakest constraint one can pose on initializer lists to interpret them as an
object.
3. In all other cases, the initializer list could not be interpreted as a JSON object type, so interpreting it as a
JSON array type is safe.
With the rules described above, the following JSON values cannot be expressed by an initializer list:
- the empty array (`#!json []`): use `array(initializer_list_t)` with an empty initializer list in this case
- arrays whose elements satisfy rule 2: use `array(initializer_list_t)` with the same initializer list in this case
Function [`array()`](array.md) and [`object()`](object.md) force array and object creation from initializer lists,
respectively.
6. Constructs a JSON array value by creating `cnt` copies of a passed value. In case `cnt` is `0`, an empty array is
created.
7. Constructs the JSON value with the contents of the range `[first, last)`. The semantics depend on the different
types a JSON value can have:
- In case of a `#!json null` type, [invalid_iterator.206](../../home/exceptions.md#jsonexceptioninvalid_iterator206)
is thrown.
- In case of other primitive types (number, boolean, or string), `first` must be `begin()` and `last` must be
`end()`. In this case, the value is copied. Otherwise,
[`invalid_iterator.204`](../../home/exceptions.md#jsonexceptioninvalid_iterator204) is thrown.
- In case of structured types (array, object), the constructor behaves as similar versions for `std::vector` or
`std::map`; that is, a JSON array or object is constructed from the values in the range.
8. Creates a copy of a given JSON value.
9. Move constructor. Constructs a JSON value with the contents of the given value `other` using move semantics. It
"steals" the resources from `other` and leaves it as JSON `#!json null` value.
## Template parameters
`CompatibleType`
: a type such that:
- `CompatibleType` is not derived from `std::istream`,
- `CompatibleType` is not `basic_json` (to avoid hijacking copy/move constructors),
- `CompatibleType` is not a different `basic_json` type (i.e. with different template arguments)
- `CompatibleType` is not a `basic_json` nested type (e.g., `json_pointer`, `iterator`, etc.)
- `json_serializer<U>` (with `U = uncvref_t<CompatibleType>`) has a `to_json(basic_json_t&, CompatibleType&&)`
method
`BasicJsonType`:
: a type such that:
- `BasicJsonType` is a `basic_json` type.
- `BasicJsonType` has different template arguments than `basic_json_t`.
`U`:
: `uncvref_t<CompatibleType>`
## Parameters
`v` (in)
: the type of the value to create
`val` (in)
: the value to be forwarded to the respective constructor
`init` (in)
: initializer list with JSON values
`type_deduction` (in)
: internal parameter; when set to `#!cpp true`, the type of the JSON value is deducted from the initializer list
`init`; when set to `#!cpp false`, the type provided via `manual_type` is forced. This mode is used by the functions
`array(initializer_list_t)` and `object(initializer_list_t)`.
`manual_type` (in)
: internal parameter; when `type_deduction` is set to `#!cpp false`, the created JSON value will use the provided type
(only `value_t::array` and `value_t::object` are valid); when `type_deduction` is set to `#!cpp true`, this
parameter has no effect
`cnt` (in)
: the number of JSON copies of `val` to create
`first` (in)
: the beginning of the range to copy from (included)
`last` (in)
: the end of the range to copy from (excluded)
`other` (in)
: the JSON value to copy/move
## Exception safety
1. Strong guarantee: if an exception is thrown, there are no changes to any JSON value.
2. No-throw guarantee: this constructor never throws exceptions.
3. Depends on the called constructor. For types directly supported by the library (i.e., all types for which no
`to_json()` function was provided), a strong guarantee holds: if an exception is thrown, there are no changes to any
JSON value.
4. Depends on the called constructor. For types directly supported by the library (i.e., all types for which no
`to_json()` function was provided), a strong guarantee holds: if an exception is thrown, there are no changes to any
JSON value.
5. Strong guarantee: if an exception is thrown, there are no changes to any JSON value.
6. Strong guarantee: if an exception is thrown, there are no changes to any JSON value.
7. Strong guarantee: if an exception is thrown, there are no changes to any JSON value.
8. Strong guarantee: if an exception is thrown, there are no changes to any JSON value.
9. No-throw guarantee: this constructor never throws exceptions.
## Exceptions
1. (none)
2. The function does not throw exceptions.
3. (none)
4. (none)
5. The function can throw the following exceptions:
- Throws [`type_error.301`](../../home/exceptions.md#jsonexceptiontype_error301) if `type_deduction` is
`#!cpp false`, `manual_type` is `value_t::object`, but `init` contains an element which is not a pair whose first
element is a string. In this case, the constructor could not create an object. If `type_deduction` would have been
`#!cpp true`, an array would have been created. See `object(initializer_list_t)` for an example.
6. (none)
7. The function can throw the following exceptions:
- Throws [`invalid_iterator.201`](../../home/exceptions.md#jsonexceptioninvalid_iterator201) if iterators `first`
and `last` are not compatible (i.e., do not belong to the same JSON value). In this case, the range
`[first, last)` is undefined.
- Throws [`invalid_iterator.204`](../../home/exceptions.md#jsonexceptioninvalid_iterator204) if iterators `first`
and `last` belong to a primitive type (number, boolean, or string), but `first` does not point to the first
element anymore. In this case, the range `[first, last)` is undefined. See the example code below.
- Throws [`invalid_iterator.206`](../../home/exceptions.md#jsonexceptioninvalid_iterator206) if iterators `first`
and `last` belong to a `#!json null` value. In this case, the range `[first, last)` is undefined.
8. (none)
9. The function does not throw exceptions.
## Complexity
1. Constant.
2. Constant.
3. Usually linear in the size of the passed `val`, also depending on the implementation of the called `to_json()`
method.
4. Usually linear in the size of the passed `val`, also depending on the implementation of the called `to_json()`
method.
5. Linear in the size of the initializer list `init`.
6. Linear in `cnt`.
7. Linear in distance between `first` and `last`.
8. Linear in the size of `other`.
9. Constant.
## Notes
- Overload 5:
!!! note "Empty initializer list"
When used without parentheses around an empty initializer list, `basic_json()` is called instead of this
function, yielding the JSON `#!json null` value.
- Overload 7:
!!! info "Preconditions"
- Iterators `first` and `last` must be initialized. **This precondition is enforced with a
[runtime assertion](../../features/assertions.md).
- Range `[first, last)` is valid. Usually, this precondition cannot be checked efficiently. Only certain edge
cases are detected; see the description of the exceptions above. A violation of this precondition yields
undefined behavior.
!!! danger "Runtime assertion"
A precondition is enforced with a [runtime assertion](../../features/assertions.md).
- Overload 8:
!!! info "Postcondition"
`#!cpp *this == other`
- Overload 9:
!!! info "Postconditions"
- `#!cpp `*this` has the same value as `other` before the call.
- `other` is a JSON `#!json null` value
## Examples
??? example "Example: (1) create an empty value with a given type"
The following code shows the constructor for different `value_t` values.
```cpp
--8<-- "examples/basic_json__value_t.cpp"
```
Output:
```json
--8<-- "examples/basic_json__value_t.output"
```
??? example "Example: (2) create a `#!json null` object"
The following code shows the constructor with and without a null pointer parameter.
```cpp
--8<-- "examples/basic_json__nullptr_t.cpp"
```
Output:
```json
--8<-- "examples/basic_json__nullptr_t.output"
```
??? example "Example: (3) create a JSON value from compatible types"
The following code shows the constructor with several compatible types.
```cpp
--8<-- "examples/basic_json__CompatibleType.cpp"
```
Output:
```json
--8<-- "examples/basic_json__CompatibleType.output"
```
Note the output is platform-dependent.
??? example "Example: (5) create a container (array or object) from an initializer list"
The example below shows how JSON values are created from initializer lists.
```cpp
--8<-- "examples/basic_json__list_init_t.cpp"
```
Output:
```json
--8<-- "examples/basic_json__list_init_t.output"
```
??? example "Example: (6) construct an array with count copies of a given value"
The following code shows examples for creating arrays with several copies of a given value.
```cpp
--8<-- "examples/basic_json__size_type_basic_json.cpp"
```
Output:
```json
--8<-- "examples/basic_json__size_type_basic_json.output"
```
??? example "Example: (7) construct a JSON container given an iterator range"
The example below shows several ways to create JSON values by specifying a subrange with iterators.
```cpp
--8<-- "examples/basic_json__InputIt_InputIt.cpp"
```
Output:
```json
--8<-- "examples/basic_json__InputIt_InputIt.output"
```
??? example "Example: (8) copy constructor"
The following code shows an example for the copy constructor.
```cpp
--8<-- "examples/basic_json__basic_json.cpp"
```
Output:
```json
--8<-- "examples/basic_json__basic_json.output"
```
??? example "Example: (9) move constructor"
The code below shows the move constructor explicitly called via `std::move`.
```cpp
--8<-- "examples/basic_json__moveconstructor.cpp"
```
Output:
```json
--8<-- "examples/basic_json__moveconstructor.output"
```
## Version history
1. Since version 1.0.0.
2. Since version 1.0.0.
3. Since version 2.1.0.
4. Since version 3.2.0.
5. Since version 1.0.0.
6. Since version 1.0.0.
7. Since version 1.0.0.
8. Since version 1.0.0.
9. Since version 1.0.0.

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# <small>nlohmann::basic_json::</small>begin
```cpp
iterator begin() noexcept;
const_iterator begin() const noexcept;
```
Returns an iterator to the first element.
![Illustration from cppreference.com](../../images/range-begin-end.svg)
## Return value
iterator to the first element
## Exception safety
No-throw guarantee: this member function never throws exceptions.
## Complexity
Constant.
## Examples
??? example
The following code shows an example for `begin()`.
```cpp
--8<-- "examples/begin.cpp"
```
Output:
```json
--8<-- "examples/begin.output"
```
## Version history
- Added in version 1.0.0.

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# <small>nlohmann::basic_json::</small>binary
```cpp
// (1)
static basic_json binary(const typename binary_t::container_type& init);
static basic_json binary(typename binary_t::container_type&& init);
// (2)
static basic_json binary(const typename binary_t::container_type& init,
std::uint8_t subtype);
static basic_json binary(typename binary_t::container_type&& init,
std::uint8_t subtype);
```
1. Creates a JSON binary array value from a given binary container.
2. Creates a JSON binary array value from a given binary container with subtype.
Binary values are part of various binary formats, such as CBOR, MessagePack, and BSON. This constructor is used to
create a value for serialization to those formats.
## Parameters
`init` (in)
: container containing bytes to use as a binary type
`subtype` (in)
: subtype to use in CBOR, MessagePack, and BSON
## Return value
JSON binary array value
## Exception safety
Strong guarantee: if an exception is thrown, there are no changes in the JSON value.
## Complexity
Linear in the size of `init`; constant for `typename binary_t::container_type&& init` versions.
## Notes
Note, this function exists because of the difficulty in correctly specifying the correct template overload in the
standard value ctor, as both JSON arrays and JSON binary arrays are backed with some form of a `std::vector`. Because
JSON binary arrays are a non-standard extension, it was decided that it would be best to prevent automatic
initialization of a binary array type, for backwards compatibility and so it does not happen on accident.
## Examples
??? example
The following code shows how to create a binary value.
```cpp
--8<-- "examples/binary.cpp"
```
Output:
```json
--8<-- "examples/binary.output"
```
## Version history
- Added in version 3.8.0.

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# <small>nlohmann::basic_json::</small>binary_t
```cpp
using binary_t = byte_container_with_subtype<BinaryType>;
```
This type is a type designed to carry binary data that appears in various serialized formats, such as CBOR's Major Type
2, MessagePack's bin, and BSON's generic binary subtype. This type is NOT a part of standard JSON and exists solely for
compatibility with these binary types. As such, it is simply defined as an ordered sequence of zero or more byte values.
Additionally, as an implementation detail, the subtype of the binary data is carried around as a `std::uint64_t`, which
is compatible with both of the binary data formats that use binary subtyping, (though the specific numbering is
incompatible with each other, and it is up to the user to translate between them). The subtype is added to `BinaryType`
via the helper type [byte_container_with_subtype](../byte_container_with_subtype/index.md).
[CBOR's RFC 7049](https://tools.ietf.org/html/rfc7049) describes this type as:
> Major type 2: a byte string. The string's length in bytes is represented following the rules for positive integers
> (major type 0).
[MessagePack's documentation on the bin type
family](https://github.com/msgpack/msgpack/blob/master/spec.md#bin-format-family) describes this type as:
> Bin format family stores a byte array in 2, 3, or 5 bytes of extra bytes in addition to the size of the byte array.
[BSON's specifications](http://bsonspec.org/spec.html) describe several binary types; however, this type is intended to
represent the generic binary type which has the description:
> Generic binary subtype - This is the most commonly used binary subtype and should be the 'default' for drivers and
> tools.
None of these impose any limitations on the internal representation other than the basic unit of storage be some type of
array whose parts are decomposable into bytes.
The default representation of this binary format is a `#!cpp std::vector<std::uint8_t>`, which is a very common way to
represent a byte array in modern C++.
## Template parameters
`BinaryType`
: container type to store arrays
## Notes
#### Default type
The default values for `BinaryType` is `#!cpp std::vector<std::uint8_t>`.
#### Storage
Binary Arrays are stored as pointers in a `basic_json` type. That is, for any access to array values, a pointer of the
type `#!cpp binary_t*` must be dereferenced.
#### Notes on subtypes
- CBOR
- Binary values are represented as byte strings. Subtypes are written as tags.
- MessagePack
- If a subtype is given and the binary array contains exactly 1, 2, 4, 8, or 16 elements, the fixext family (fixext1,
fixext2, fixext4, fixext8) is used. For other sizes, the ext family (ext8, ext16, ext32) is used. The subtype is
then added as a signed 8-bit integer.
- If no subtype is given, the bin family (bin8, bin16, bin32) is used.
- BSON
- If a subtype is given, it is used and added as an unsigned 8-bit integer.
- If no subtype is given, the generic binary subtype 0x00 is used.
## Examples
??? example
The following code shows that `binary_t` is by default, a typedef to
`#!cpp nlohmann::byte_container_with_subtype<std::vector<std::uint8_t>>`.
```cpp
--8<-- "examples/binary_t.cpp"
```
Output:
```json
--8<-- "examples/binary_t.output"
```
## See also
- [byte_container_with_subtype](../byte_container_with_subtype/index.md)
## Version history
- Added in version 3.8.0. Changed the type of subtype to `std::uint64_t` in version 3.10.0.

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# <small>nlohmann::basic_json::</small>boolean_t
```cpp
using boolean_t = BooleanType;
```
The type used to store JSON booleans.
[RFC 8259](https://tools.ietf.org/html/rfc8259) implicitly describes a boolean as a type which differentiates the two
literals `#!json true` and `#!json false`.
To store objects in C++, a type is defined by the template parameter `BooleanType` which chooses the type to use.
## Notes
#### Default type
With the default values for `BooleanType` (`#!cpp bool`), the default value for `boolean_t` is `#!cpp bool`.
#### Storage
Boolean values are stored directly inside a `basic_json` type.
## Examples
??? example
The following code shows that `boolean_t` is by default, a typedef to `#!cpp bool`.
```cpp
--8<-- "examples/boolean_t.cpp"
```
Output:
```json
--8<-- "examples/boolean_t.output"
```
## Version history
- Added in version 1.0.0.

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# <small>nlohmann::basic_json::</small>cbegin
```cpp
const_iterator cbegin() const noexcept;
```
Returns an iterator to the first element.
![Illustration from cppreference.com](../../images/range-begin-end.svg)
## Return value
iterator to the first element
## Exception safety
No-throw guarantee: this member function never throws exceptions.
## Complexity
Constant.
## Examples
??? example
The following code shows an example for `cbegin()`.
```cpp
--8<-- "examples/cbegin.cpp"
```
Output:
```json
--8<-- "examples/cbegin.output"
```
## Version history
- Added in version 1.0.0.

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# <small>nlohmann::basic_json::</small>cbor_tag_handler_t
```cpp
enum class cbor_tag_handler_t
{
error,
ignore,
store
};
```
This enumeration is used in the [`from_cbor`](from_cbor.md) function to choose how to treat tags:
error
: throw a `parse_error` exception in case of a tag
ignore
: ignore tags
store
: store tagged values as binary container with subtype (for bytes 0xd8..0xdb)
## Examples
??? example
The example below shows how the different values of the `cbor_tag_handler_t` influence the behavior of
[`from_cbor`](from_cbor.md) when reading a tagged byte string.
```cpp
--8<-- "examples/cbor_tag_handler_t.cpp"
```
Output:
```json
--8<-- "examples/cbor_tag_handler_t.output"
```
## Version history
- Added in version 3.9.0. Added value `store` in 3.10.0.

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# <small>nlohmann::basic_json::</small>cend
```cpp
const_iterator cend() const noexcept;
```
Returns an iterator to one past the last element.
![Illustration from cppreference.com](../../images/range-begin-end.svg)
## Return value
iterator one past the last element
## Exception safety
No-throw guarantee: this member function never throws exceptions.
## Complexity
Constant.
## Examples
??? example
The following code shows an example for `cend()`.
```cpp
--8<-- "examples/cend.cpp"
```
Output:
```json
--8<-- "examples/cend.output"
```
## Version history
- Added in version 1.0.0.

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# <small>nlohmann::basic_json::</small>clear
```cpp
void clear() noexcept;
```
Clears the content of a JSON value and resets it to the default value as if [`basic_json(value_t)`](basic_json.md) would
have been called with the current value type from [`type()`](type.md):
| Value type | initial value |
|------------|----------------------|
| null | `null` |
| boolean | `false` |
| string | `""` |
| number | `0` |
| binary | An empty byte vector |
| object | `{}` |
| array | `[]` |
Has the same effect as calling
```.cpp
*this = basic_json(type());
```
## Exception safety
No-throw guarantee: this function never throws exceptions.
## Complexity
Linear in the size of the JSON value.
## Notes
All iterators, pointers, and references related to this container are invalidated.
## Examples
??? example
The example below shows the effect of `clear()` to different
JSON types.
```cpp
--8<-- "examples/clear.cpp"
```
Output:
```json
--8<-- "examples/clear.output"
```
## Version history
- Added in version 1.0.0.
- Added support for binary types in version 3.8.0.

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# <small>nlohmann::basic_json::</small>contains
```cpp
// (1)
bool contains(const typename object_t::key_type& key) const;
// (2)
template<typename KeyType>
bool contains(KeyType&& key) const;
// (3)
bool contains(const json_pointer& ptr) const;
```
1. Check whether an element exists in a JSON object with a key equivalent to `key`. If the element is not found or the
JSON value is not an object, `#!cpp false` is returned.
2. See 1. This overload is only available if `KeyType` is comparable with `#!cpp typename object_t::key_type` and
`#!cpp typename object_comparator_t::is_transparent` denotes a type.
3. Check whether the given JSON pointer `ptr` can be resolved in the current JSON value.
## Template parameters
`KeyType`
: A type for an object key other than [`json_pointer`](../json_pointer/index.md) that is comparable with
[`string_t`](string_t.md) using [`object_comparator_t`](object_comparator_t.md).
This can also be a string view (C++17).
## Parameters
`key` (in)
: key value to check its existence.
`ptr` (in)
: JSON pointer to check its existence.
## Return value
1. `#!cpp true` if an element with specified `key` exists. If no such element with such a key is found or the JSON value
is not an object, `#!cpp false` is returned.
2. See 1.
3. `#!cpp true` if the JSON pointer can be resolved to a stored value, `#!cpp false` otherwise.
## Exception safety
Strong exception safety: if an exception occurs, the original value stays intact.
## Exceptions
1. The function does not throw exceptions.
2. The function does not throw exceptions.
3. The function can throw the following exceptions:
- Throws [`parse_error.106`](../../home/exceptions.md#jsonexceptionparse_error106) if an array index begins with
`0`.
- Throws [`parse_error.109`](../../home/exceptions.md#jsonexceptionparse_error109) if an array index was not a
number.
## Complexity
Logarithmic in the size of the JSON object.
## Notes
- This method always returns `#!cpp false` when executed on a JSON type that is not an object.
- This method can be executed on any JSON value type.
!!! info "Postconditions"
If `#!cpp j.contains(x)` returns `#!c true` for a key or JSON pointer `x`, then it is safe to call `j[x]`.
## Examples
??? example "Example: (1) check with key"
The example shows how `contains()` is used.
```cpp
--8<-- "examples/contains__object_t_key_type.cpp"
```
Output:
```json
--8<-- "examples/contains__object_t_key_type.output"
```
??? example "Example: (2) check with key using string_view"
The example shows how `contains()` is used.
```cpp
--8<-- "examples/contains__keytype.c++17.cpp"
```
Output:
```json
--8<-- "examples/contains__keytype.c++17.output"
```
??? example "Example: (3) check with JSON pointer"
The example shows how `contains()` is used.
```cpp
--8<-- "examples/contains__json_pointer.cpp"
```
Output:
```json
--8<-- "examples/contains__json_pointer.output"
```
## Version history
1. Added in version 3.11.0.
2. Added in version 3.6.0. Extended template `KeyType` to support comparable types in version 3.11.0.
3. Added in version 3.7.0.

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# <small>nlohmann::basic_json::</small>count
```cpp
// (1)
size_type count(const typename object_t::key_type& key) const;
// (2)
template<typename KeyType>
size_type count(KeyType&& key) const;
```
1. Returns the number of elements with key `key`. If `ObjectType` is the default `std::map` type, the return value will
always be `0` (`key` was not found) or `1` (`key` was found).
2. See 1. This overload is only available if `KeyType` is comparable with `#!cpp typename object_t::key_type` and
`#!cpp typename object_comparator_t::is_transparent` denotes a type.
## Template parameters
`KeyType`
: A type for an object key other than [`json_pointer`](../json_pointer/index.md) that is comparable with
[`string_t`](string_t.md) using [`object_comparator_t`](object_comparator_t.md).
This can also be a string view (C++17).
## Parameters
`key` (in)
: key value of the element to count.
## Return value
Number of elements with key `key`. If the JSON value is not an object, the return value will be `0`.
## Exception safety
Strong exception safety: if an exception occurs, the original value stays intact.
## Complexity
Logarithmic in the size of the JSON object.
## Notes
This method always returns `0` when executed on a JSON type that is not an object.
## Examples
??? example "Example: (1) count number of elements"
The example shows how `count()` is used.
```cpp
--8<-- "examples/count__object_t_key_type.cpp"
```
Output:
```json
--8<-- "examples/count__object_t_key_type.output"
```
??? example "Example: (2) count number of elements using string_view"
The example shows how `count()` is used.
```cpp
--8<-- "examples/count__keytype.c++17.cpp"
```
Output:
```json
--8<-- "examples/count__keytype.c++17.output"
```
## Version history
1. Added in version 3.11.0.
2. Added in version 1.0.0. Changed parameter `key` type to `KeyType&&` in version 3.11.0.

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# <small>nlohmann::basic_json::</small>crbegin
```cpp
const_reverse_iterator crbegin() const noexcept;
```
Returns an iterator to the reverse-beginning; that is, the last element.
![Illustration from cppreference.com](../../images/range-rbegin-rend.svg)
## Return value
reverse iterator to the first element
## Exception safety
No-throw guarantee: this member function never throws exceptions.
## Complexity
Constant.
## Examples
??? example
The following code shows an example for `crbegin()`.
```cpp
--8<-- "examples/crbegin.cpp"
```
Output:
```json
--8<-- "examples/crbegin.output"
```
## Version history
- Added in version 1.0.0.

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# <small>nlohmann::basic_json::</small>crend
```cpp
const_reverse_iterator crend() const noexcept;
```
Returns an iterator to the reverse-end; that is, one before the first element. This element acts as a placeholder,
attempting to access it results in undefined behavior.
![Illustration from cppreference.com](../../images/range-rbegin-rend.svg)
## Return value
reverse iterator to the element following the last element
## Exception safety
No-throw guarantee: this member function never throws exceptions.
## Complexity
Constant.
## Examples
??? example
The following code shows an example for `eend()`.
```cpp
--8<-- "examples/crend.cpp"
```
Output:
```json
--8<-- "examples/crend.output"
```
## Version history
- Added in version 1.0.0.

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# <small>nlohmann::basic_json::</small>default_object_comparator_t
```cpp
using default_object_comparator_t = std::less<StringType>; // until C++14
using default_object_comparator_t = std::less<>; // since C++14
```
The default comparator used by [`object_t`](object_t.md).
Since C++14 a transparent comparator is used which prevents unnecessary string construction
when looking up a key in an object.
The actual comparator used depends on [`object_t`](object_t.md) and can be obtained via
[`object_comparator_t`](object_comparator_t.md).
## Examples
??? example
The example below demonstrates the default comparator.
```cpp
--8<-- "examples/default_object_comparator_t.cpp"
```
Output:
```json
--8<-- "examples/default_object_comparator_t.output"
```
## Version history
- Added in version 3.11.0.

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# <small>nlohmann::basic_json::</small>diff
```cpp
static basic_json diff(const basic_json& source,
const basic_json& target);
```
Creates a [JSON Patch](http://jsonpatch.com) so that value `source` can be changed into the value `target` by calling
[`patch`](patch.md) function.
For two JSON values `source` and `target`, the following code yields always `#!cpp true`:
```cpp
source.patch(diff(source, target)) == target;
```
## Parameters
`source` (in)
: JSON value to compare from
`target` (in)
: JSON value to compare against
## Return value
a JSON patch to convert the `source` to `target`
## Exception safety
Strong guarantee: if an exception is thrown, there are no changes in the JSON value.
## Complexity
Linear in the lengths of `source` and `target`.
## Notes
Currently, only `remove`, `add`, and `replace` operations are generated.
## Examples
??? example
The following code shows how a JSON patch is created as a diff for two JSON values.
```cpp
--8<-- "examples/diff.cpp"
```
Output:
```json
--8<-- "examples/diff.output"
```
## See also
- [RFC 6902 (JSON Patch)](https://tools.ietf.org/html/rfc6902)
## Version history
- Added in version 2.0.0.

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# <small>nlohmann::basic_json::</small>dump
```cpp
string_t dump(const int indent = -1,
const char indent_char = ' ',
const bool ensure_ascii = false,
const error_handler_t error_handler = error_handler_t::strict) const;
```
Serialization function for JSON values. The function tries to mimic Python's
[`json.dumps()` function](https://docs.python.org/2/library/json.html#json.dump), and currently supports its `indent`
and `ensure_ascii` parameters.
## Parameters
`indent` (in)
: If `indent` is nonnegative, then array elements and object members will be pretty-printed with that indent level. An
indent level of `0` will only insert newlines. `-1` (the default) selects the most compact representation.
`indent_char` (in)
: The character to use for indentation if `indent` is greater than `0`. The default is ` ` (space).
`ensure_ascii` (in)
: If `ensure_ascii` is true, all non-ASCII characters in the output are escaped with `\uXXXX` sequences, and the
result consists of ASCII characters only.
`error_handler` (in)
: how to react on decoding errors; there are three possible values (see [`error_handler_t`](error_handler_t.md):
`strict` (throws and exception in case a decoding error occurs; default), `replace` (replace invalid UTF-8 sequences
with U+FFFD), and `ignore` (ignore invalid UTF-8 sequences during serialization; all bytes are copied to the output
unchanged)).
## Return value
string containing the serialization of the JSON value
## Exception safety
Strong guarantee: if an exception is thrown, there are no changes to any JSON value.
## Exceptions
Throws [`type_error.316`](../../home/exceptions.md#jsonexceptiontype_error316) if a string stored inside the JSON value
is not UTF-8 encoded and `error_handler` is set to `strict`
## Complexity
Linear.
## Notes
Binary values are serialized as an object containing two keys:
- "bytes": an array of bytes as integers
- "subtype": the subtype as integer or `#!json null` if the binary has no subtype
## Examples
??? example
The following example shows the effect of different `indent`, `indent_char`, and `ensure_ascii` parameters to the
result of the serialization.
```cpp
--8<-- "examples/dump.cpp"
```
Output:
```json
--8<-- "examples/dump.output"
```
## Version history
- Added in version 1.0.0.
- Indentation character `indent_char`, option `ensure_ascii` and exceptions added in version 3.0.0.
- Error handlers added in version 3.4.0.
- Serialization of binary values added in version 3.8.0.

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# <small>nlohmann::basic_json::</small>emplace
```cpp
template<class... Args>
std::pair<iterator, bool> emplace(Args&& ... args);
```
Inserts a new element into a JSON object constructed in-place with the given `args` if there is no element with the key
in the container. If the function is called on a JSON null value, an empty object is created before appending the value
created from `args`.
## Template parameters
`Args`
: compatible types to create a `basic_json` object
## Iterator invalidation
For [`ordered_json`](../ordered_json.md), adding a value to an object can yield a reallocation, in which case all
iterators (including the `end()` iterator) and all references to the elements are invalidated.
## Parameters
`args` (in)
: arguments to forward to a constructor of `basic_json`
## Return value
a pair consisting of an iterator to the inserted element, or the already-existing element if no insertion happened, and
a `#!cpp bool` denoting whether the insertion took place.
## Exceptions
Throws [`type_error.311`](../../home/exceptions.md#jsonexceptiontype_error311) when called on a type other than JSON
object or `#!json null`; example: `"cannot use emplace() with number"`
## Complexity
Logarithmic in the size of the container, O(log(`size()`)).
## Examples
??? example
The example shows how `emplace()` can be used to add elements to a JSON object. Note how the `#!json null` value was
silently converted to a JSON object. Further note how no value is added if there was already one value stored with
the same key.
```cpp
--8<-- "examples/emplace.cpp"
```
Output:
```json
--8<-- "examples/emplace.output"
```
## Version history
- Since version 2.0.8.

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# <small>nlohmann::basic_json::</small>emplace_back
```cpp
template<class... Args>
reference emplace_back(Args&& ... args);
```
Creates a JSON value from the passed parameters `args` to the end of the JSON value. If the function is called on a JSON
`#!json null` value, an empty array is created before appending the value created from `args`.
## Template parameters
`Args`
: compatible types to create a `basic_json` object
## Iterator invalidation
By adding an element to the end of the array, a reallocation can happen, in which case all iterators (including the
[`end()`](end.md) iterator) and all references to the elements are invalidated. Otherwise, only the [`end()`](end.md)
iterator is invalidated.
## Parameters
`args` (in)
: arguments to forward to a constructor of `basic_json`
## Return value
reference to the inserted element
## Exceptions
Throws [`type_error.311`](../../home/exceptions.md#jsonexceptiontype_error311) when called on a type other than JSON
array or `#!json null`; example: `"cannot use emplace_back() with number"`
## Complexity
Amortized constant.
## Examples
??? example
The example shows how `emplace_back()` can be used to add elements to a JSON array. Note how the `null` value was
silently converted to a JSON array.
```cpp
--8<-- "examples/emplace_back.cpp"
```
Output:
```json
--8<-- "examples/emplace_back.output"
```
## See also
- [operator+=](operator+=.md) add a value to an array/object
- [push_back](push_back.md) add a value to an array/object
## Version history
- Since version 2.0.8.
- Returns reference since 3.7.0.

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# <small>nlohmann::basic_json::</small>empty
```cpp
bool empty() const noexcept;
```
Checks if a JSON value has no elements (i.e. whether its [`size()`](size.md) is `0`).
## Return value
The return value depends on the different types and is defined as follows:
| Value type | return value |
|------------|----------------------------------------|
| null | `#!cpp true` |
| boolean | `#!cpp false` |
| string | `#!cpp false` |
| number | `#!cpp false` |
| binary | `#!cpp false` |
| object | result of function `object_t::empty()` |
| array | result of function `array_t::empty()` |
## Exception safety
No-throw guarantee: this function never throws exceptions.
## Complexity
Constant, as long as [`array_t`](array_t.md) and [`object_t`](object_t.md) satisfy the
[Container](https://en.cppreference.com/w/cpp/named_req/Container) concept; that is, their `empty()` functions have
constant complexity.
## Possible implementation
```cpp
bool empty() const noexcept
{
return size() == 0;
}
```
## Notes
This function does not return whether a string stored as JSON value is empty -- it returns whether the JSON container
itself is empty which is `#!cpp false` in the case of a string.
## Examples
??? example
The following code uses `empty()` to check if a JSON object contains any elements.
```cpp
--8<-- "examples/empty.cpp"
```
Output:
```json
--8<-- "examples/empty.output"
```
## Version history
- Added in version 1.0.0.
- Extended to return `#!cpp false` for binary types in version 3.8.0.

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# <small>nlohmann::basic_json::</small>end
```cpp
iterator end() noexcept;
const_iterator end() const noexcept;
```
Returns an iterator to one past the last element.
![Illustration from cppreference.com](../../images/range-begin-end.svg)
## Return value
iterator one past the last element
## Exception safety
No-throw guarantee: this member function never throws exceptions.
## Complexity
Constant.
## Examples
??? example
The following code shows an example for `end()`.
```cpp
--8<-- "examples/end.cpp"
```
Output:
```json
--8<-- "examples/end.output"
```
## Version history
- Added in version 1.0.0.

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# <small>nlohmann::basic_json::</small>end_pos
```cpp
#if JSON_DIAGNOSTIC_POSITIONS
constexpr std::size_t end_pos() const noexcept;
#endif
```
Returns the position immediately following the last character of the JSON string from which the value was parsed from.
| JSON type | return value |
|-----------|-----------------------------------|
| object | position after the closing `}` |
| array | position after the closing `]` |
| string | position after the closing `"` |
| number | position after the last character |
| boolean | position after `e` |
| null | position after `l` |
## Return value
the position of the character _following_ the last character of the given value in the parsed JSON string, if the
value was created by the [`parse`](parse.md) function, or `std::string::npos` if the value was constructed otherwise
## Exception safety
No-throw guarantee: this member function never throws exceptions.
## Complexity
Constant.
## Notes
!!! note "Note"
The function is only available if macro [`JSON_DIAGNOSTIC_POSITIONS`](../macros/json_diagnostic_positions.md) has
been defined to `#!cpp 1` before including the library header.
!!! warning "Invalidation"
The returned positions are only valid as long as the JSON value is not changed. The positions are *not* updated
when the JSON value is changed.
## Examples
??? example "Example"
```cpp
--8<-- "examples/diagnostic_positions.cpp"
```
Output:
```
--8<-- "examples/diagnostic_positions.output"
```
The output shows the start/end positions of all the objects and fields in the JSON string.
## See also
- [start_pos](start_pos.md) to access the start position
- [JSON_DIAGNOSTIC_POSITIONS](../macros/json_diagnostic_positions.md) for an overview of the diagnostic positions
## Version history
- Added in version 3.12.0.

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# <small>nlohmann::basic_json::</small>erase
```cpp
// (1)
iterator erase(iterator pos);
const_iterator erase(const_iterator pos);
// (2)
iterator erase(iterator first, iterator last);
const_iterator erase(const_iterator first, const_iterator last);
// (3)
size_type erase(const typename object_t::key_type& key);
// (4)
template<typename KeyType>
size_type erase(KeyType&& key);
// (5)
void erase(const size_type idx);
```
1. Removes an element from a JSON value specified by iterator `pos`. The iterator `pos` must be valid and
dereferenceable. Thus, the `end()` iterator (which is valid, but is not dereferenceable) cannot be used as a value for
`pos`.
If called on a primitive type other than `#!json null`, the resulting JSON value will be `#!json null`.
2. Remove an element range specified by `[first; last)` from a JSON value. The iterator `first` does not need to be
dereferenceable if `first == last`: erasing an empty range is a no-op.
If called on a primitive type other than `#!json null`, the resulting JSON value will be `#!json null`.
3. Removes an element from a JSON object by key.
4. See 3. This overload is only available if `KeyType` is comparable with `#!cpp typename object_t::key_type` and
`#!cpp typename object_comparator_t::is_transparent` denotes a type.
5. Removes an element from a JSON array by index.
## Template parameters
`KeyType`
: A type for an object key other than [`json_pointer`](../json_pointer/index.md) that is comparable with
[`string_t`](string_t.md) using [`object_comparator_t`](object_comparator_t.md).
This can also be a string view (C++17).
## Parameters
`pos` (in)
: iterator to the element to remove
`first` (in)
: iterator to the beginning of the range to remove
`last` (in)
: iterator past the end of the range to remove
`key` (in)
: object key of the elements to remove
`idx` (in)
: array index of the element to remove
## Return value
1. Iterator following the last removed element. If the iterator `pos` refers to the last element, the `end()` iterator
is returned.
2. Iterator following the last removed element. If the iterator `last` refers to the last element, the `end()` iterator
is returned.
3. Number of elements removed. If `ObjectType` is the default `std::map` type, the return value will always be `0`
(`key` was not found) or `1` (`key` was found).
4. See 3.
5. (none)
## Exception safety
Strong exception safety: if an exception occurs, the original value stays intact.
## Exceptions
1. The function can throw the following exceptions:
- Throws [`type_error.307`](../../home/exceptions.md#jsonexceptiontype_error307) if called on a `null` value;
example: `"cannot use erase() with null"`
- Throws [`invalid_iterator.202`](../../home/exceptions.md#jsonexceptioninvalid_iterator202) if called on an
iterator which does not belong to the current JSON value; example: `"iterator does not fit current value"`
- Throws [`invalid_iterator.205`](../../home/exceptions.md#jsonexceptioninvalid_iterator205) if called on a
primitive type with invalid iterator (i.e., any iterator which is not `begin()`); example: `"iterator out of
range"`
2. The function can throw the following exceptions:
- Throws [`type_error.307`](../../home/exceptions.md#jsonexceptiontype_error307) if called on a `null` value;
example: `"cannot use erase() with null"`
- Throws [`invalid_iterator.203`](../../home/exceptions.md#jsonexceptioninvalid_iterator203) if called on iterators
which does not belong to the current JSON value; example: `"iterators do not fit current value"`
- Throws [`invalid_iterator.204`](../../home/exceptions.md#jsonexceptioninvalid_iterator204) if called on a
primitive type with invalid iterators (i.e., if `first != begin()` and `last != end()`); example: `"iterators out
of range"`
3. The function can throw the following exceptions:
- Throws [`type_error.307`](../../home/exceptions.md#jsonexceptiontype_error307) when called on a type other than
JSON object; example: `"cannot use erase() with null"`
4. See 3.
5. The function can throw the following exceptions:
- Throws [`type_error.307`](../../home/exceptions.md#jsonexceptiontype_error307) when called on a type other than
JSON object; example: `"cannot use erase() with null"`
- Throws [`out_of_range.401`](../../home/exceptions.md#jsonexceptionout_of_range401) when `idx >= size()`; example:
`"array index 17 is out of range"`
## Complexity
1. The complexity depends on the type:
- objects: amortized constant
- arrays: linear in distance between `pos` and the end of the container
- strings and binary: linear in the length of the member
- other types: constant
2. The complexity depends on the type:
- objects: `log(size()) + std::distance(first, last)`
- arrays: linear in the distance between `first` and `last`, plus linear
in the distance between `last` and end of the container
- strings and binary: linear in the length of the member
- other types: constant
3. `log(size()) + count(key)`
4. `log(size()) + count(key)`
5. Linear in distance between `idx` and the end of the container.
## Notes
1. Invalidates iterators and references at or after the point of the `erase`, including the `end()` iterator.
2. (none)
3. References and iterators to the erased elements are invalidated. Other references and iterators are not affected.
4. See 3.
5. (none)
## Examples
??? example "Example: (1) remove element given an iterator"
The example shows the effect of `erase()` for different JSON types using an iterator.
```cpp
--8<-- "examples/erase__IteratorType.cpp"
```
Output:
```json
--8<-- "examples/erase__IteratorType.output"
```
??? example "Example: (2) remove elements given an iterator range"
The example shows the effect of `erase()` for different JSON types using an iterator range.
```cpp
--8<-- "examples/erase__IteratorType_IteratorType.cpp"
```
Output:
```json
--8<-- "examples/erase__IteratorType_IteratorType.output"
```
??? example "Example: (3) remove element from a JSON object given a key"
The example shows the effect of `erase()` for different JSON types using an object key.
```cpp
--8<-- "examples/erase__object_t_key_type.cpp"
```
Output:
```json
--8<-- "examples/erase__object_t_key_type.output"
```
??? example "Example: (4) remove element from a JSON object given a key using string_view"
The example shows the effect of `erase()` for different JSON types using an object key.
```cpp
--8<-- "examples/erase__keytype.c++17.cpp"
```
Output:
```json
--8<-- "examples/erase__keytype.c++17.output"
```
??? example "Example: (5) remove element from a JSON array given an index"
The example shows the effect of `erase()` using an array index.
```cpp
--8<-- "examples/erase__size_type.cpp"
```
Output:
```json
--8<-- "examples/erase__size_type.output"
```
## Version history
1. Added in version 1.0.0. Added support for binary types in version 3.8.0.
2. Added in version 1.0.0. Added support for binary types in version 3.8.0.
3. Added in version 1.0.0.
4. Added in version 3.11.0.
5. Added in version 1.0.0.

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# <small>nlohmann::basic_json::</small>error_handler_t
```cpp
enum class error_handler_t {
strict,
replace,
ignore
};
```
This enumeration is used in the [`dump`](dump.md) function to choose how to treat decoding errors while serializing a
`basic_json` value. Three values are differentiated:
strict
: throw a `type_error` exception in case of invalid UTF-8
replace
: replace invalid UTF-8 sequences with U+FFFD (<28> REPLACEMENT CHARACTER)
ignore
: ignore invalid UTF-8 sequences; all bytes are copied to the output unchanged
## Examples
??? example
The example below shows how the different values of the `error_handler_t` influence the behavior of
[`dump`](dump.md) when reading serializing an invalid UTF-8 sequence.
```cpp
--8<-- "examples/error_handler_t.cpp"
```
Output:
```json
--8<-- "examples/error_handler_t.output"
```
## Version history
- Added in version 3.4.0.

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# <small>nlohmann::basic_json::</small>exception
```cpp
class exception : public std::exception;
```
This class is an extension of [`std::exception`](https://en.cppreference.com/w/cpp/error/exception) objects with a
member `id` for exception ids. It is used as the base class for all exceptions thrown by the `basic_json` class. This
class can hence be used as "wildcard" to catch exceptions, see example below.
```mermaid
classDiagram
direction LR
class std_exception ["std::exception"] {
<<interface>>
}
class json_exception ["basic_json::exception"] {
+const int id
+const char* what() const
}
class json_parse_error ["basic_json::parse_error"] {
+const std::size_t byte
}
class json_invalid_iterator ["basic_json::invalid_iterator"]
class json_type_error ["basic_json::type_error"]
class json_out_of_range ["basic_json::out_of_range"]
class json_other_error ["basic_json::other_error"]
std_exception <|-- json_exception
json_exception <|-- json_parse_error
json_exception <|-- json_invalid_iterator
json_exception <|-- json_type_error
json_exception <|-- json_out_of_range
json_exception <|-- json_other_error
style json_exception fill:#CCCCFF
```
Subclasses:
- [`parse_error`](parse_error.md) for exceptions indicating a parse error
- [`invalid_iterator`](invalid_iterator.md) for exceptions indicating errors with iterators
- [`type_error`](type_error.md) for exceptions indicating executing a member function with a wrong type
- [`out_of_range`](out_of_range.md) for exceptions indicating access out of the defined range
- [`other_error`](other_error.md) for exceptions indicating other library errors
## Member functions
- **what** - returns explanatory string
## Member variables
- **id** - the id of the exception
## Notes
To have nothrow-copy-constructible exceptions, we internally use `std::runtime_error` which can cope with
arbitrary-length error messages. Intermediate strings are built with static functions and then passed to the actual
constructor.
## Examples
??? example
The following code shows how arbitrary library exceptions can be caught.
```cpp
--8<-- "examples/exception.cpp"
```
Output:
```json
--8<-- "examples/exception.output"
```
## See also
[List of exceptions](../../home/exceptions.md)
## Version history
- Since version 3.0.0.

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