Jansson
json
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| Jansson | json | |
|---|---|---|
| 6 | 93 | |
| 2,971 | 40,148 | |
| - | - | |
| 6.2 | 7.6 | |
| 6 days ago | 8 days ago | |
| C | C++ | |
| GNU General Public License v3.0 or later | MIT License |
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Jansson
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A good C library to parse json data
I'm a fan of jansson easy to use and great documentation
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jemi: a compact JSON serializer for embedded systems
Context: I needed to emit rather complex compound JSON data for a C-based project I'm working on. I could do it all with sprintf(), but it got messy quickly. I looked at available libraries such as jansson and CCAN's json, but they both used malloc(), which isn't an option in my case.
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How can I parse JSON with C?
I find jansson quite usable and minimal: https://github.com/akheron/jansson
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Good json libraries?
JanSON has been really good for my uses. Simple, intuitive, fast.
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How I cut GTA Online loading times by 70%
I don't see why something like Jansson wouldn't.
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C Deep
Jansson - Library for encoding, decoding and manipulating JSON. MIT
json
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Learn Modern C++
I have not done a "desktop" program in 25+ years and never using C++ (or C), since then I'm mostly a web developer (PHP,Elixir, JS, Kotlin etc).
I'm currently doing a C++ audio plugin with the Juce framework.
This website has been a good resource, alongside https://www.learncpp.com
But I was actually close to give up before using those two things:
- https://github.com/nlohmann/json : my plugin use a json api backend and the Juce json implementation is atrocious (apparently because of being born in previous c++ version), but this library is GREAT.
- ChatGPT 4. I'm not sure I would have "succeeded" without it, at least not in a reasonable time frame. ChatGPT 3.5 is slow and does not give good results for my use case but 4 is impressive. And I use in a very dumb way, just posing question in the web UI. I probably could have it directly in MSVC?
Also I must say, for all its flaws, I have a renewed appreciation for doing UI on the web ;)
- JSON for Modern C++ 3.11.3 (first release since 473 days)
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What C++ library do you wish existed but hasn’t been created yet?
https://github.com/nlohmann/json works well for me
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[CMake] Can't include external header in .h file
cmake_minimum_required(VERSION 3.15) project(xrpc++ DESCRIPTION "C++ AT Protocol XRPC library" VERSION 1.0.0 LANGUAGES CXX) include(FetchContent) FetchContent_Declare(cpr GIT_REPOSITORY https://github.com/libcpr/cpr.git GIT_TAG 2553fc41450301cd09a9271c8d2c3e0cf3546b73) # The commit hash for 1.10.x. Replace with the latest from: https://github.com/libcpr/cpr/releases FetchContent_MakeAvailable(cpr) FetchContent_Declare(json URL https://github.com/nlohmann/json/releases/download/v3.11.2/json.tar.xz) FetchContent_MakeAvailable(json) add_library(${PROJECT_NAME} SHARED src/lexicon.cpp src/xrpc.cpp ) target_link_libraries(${PROJECT_NAME} PRIVATE cpr::cpr) target_link_libraries(${PROJECT_NAME} PRIVATE nlohmann_json::nlohmann_json) set_target_properties(${PROJECT_NAME} PROPERTIES VERSION ${PROJECT_VERSION}) set_target_properties(${PROJECT_NAME} PROPERTIES SOVERSION 1) target_include_directories(${PROJECT_NAME} PUBLIC include) set(CMAKE_BUILD_TYPE debug)
FetchContent_Declare(json URL https://github.com/nlohmann/json/releases/download/v3.11.2/json.tar.xz) FetchContent_MakeAvailable(json)
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It is either a clever technique or a sad failure
Here is one popular C++ library (nlohmann/json) removing its use.
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How to compile project to separate files to prevent having single large executable as a result?
Before going into binary serialization I suggest you to get comfortable with serialization to text. You can try to write your data to text files and read them in again. Then after you get an idea of how this works you can try to use a library that writes to XML or json, e.g. nlohmann json
- What are some ways I can serialize objects?
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C++ that allows tracking peer to peer multimedia streaming connections using a Flat File - NOT MySql
Download the single header file json.hpp from https://github.com/nlohmann/json/releases and place it in your project directory or an include directory.
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C++ Reflection for Component Serialization and Inspection
Exemple of a JSON library: https://github.com/nlohmann/json (For XML, there's tinyxml)
What are some alternatives?
json-c - https://github.com/json-c/json-c is the official code repository for json-c. See the wiki for release tarballs for download. API docs at http://json-c.github.io/json-c/
RapidJSON - A fast JSON parser/generator for C++ with both SAX/DOM style API
cJSON - Ultralightweight JSON parser in ANSI C
JsonCpp - A C++ library for interacting with JSON.
ArduinoJson - 📟 JSON library for Arduino and embedded C++. Simple and efficient.
libjson - a JSON parser and printer library in C. easy to integrate with any model.
Boost.PropertyTree - Boost.org property_tree module
yaml-cpp - A YAML parser and emitter in C++
JSMN - Jsmn is a world fastest JSON parser/tokenizer. This is the official repo replacing the old one at Bitbucket