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https://github.com/lefticus/json2cpp

Compiles JSON into static constexpr C++ data structures with nlohmann::json API
https://github.com/lefticus/json2cpp

cpp cpp17 json json-schema

Last synced: about 10 hours ago
JSON representation

Compiles JSON into static constexpr C++ data structures with nlohmann::json API

Host: GitHub
URL: https://github.com/lefticus/json2cpp
Owner: lefticus
License: mit
Created: 2022-01-31T15:29:30.000Z (almost 3 years ago)
Default Branch: main
Last Pushed: 2024-05-06T06:15:32.000Z (8 months ago)
Last Synced: 2024-12-17T13:06:20.650Z (8 days ago)
Topics: cpp, cpp17, json, json-schema
Language: CMake
Homepage:
Size: 1.06 MB
Stars: 263
Watchers: 13
Forks: 18
Open Issues: 5
Metadata Files:
- Readme: README.md
- Funding: .github/FUNDING.yml
- License: LICENSE

Awesome Lists containing this project

README

        # json2cpp

![CI](https://github.com/lefticus/json2cpp/workflows/ci/badge.svg)

[![codecov](https://codecov.io/gh/lefticus/json2cpp/branch/main/graph/badge.svg)](https://codecov.io/gh/lefticus/json2cpp)

[![Language grade: C++](https://img.shields.io/lgtm/grade/cpp/github/lefticus/json2cpp)](https://lgtm.com/projects/g/lefticus/json2cpp/context:cpp)

**json2cpp** compiles a json file into `static constexpr` data structures that can be used at compile time or runtime.

Features

 * Literally 0 runtime overhead for loading the statically compiled JSON resource

 * Fully constexpr capable if you want to make compile-time decisions based on the JSON resource file

 * A `.cpp` firewall file is provided for you, if you have a large resource and don't want to pay the cost of compiling it more than once (but for normal size files it is VERY fast to compile, they are just data structures)

 * [nlohmann::json](https://github.com/nlohmann/json) compatible API (should be a drop-in replacement, some features might still be missing)

 * [valijson](https://github.com/tristanpenman/valijson) adapter file provided

See the [test](test) folder for examples for building resources, using the valijson adapter, constexpr usage of resources, and firewalled usage of resources.