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Best Way To Parse JSON in C?
I need to parse, validate and query JSON data in a C application, and I am looking for recommendations for the best C JSON library.
The data will be input as strings (char* UTF-8 data), which I first need to validate to ensure the input is valid JSON, and then I will need to perform some simple queries (iterating over the data).
I do not need to produce JSON, I only need to consume it. I also would prefer a parser that will load the whole document into memory rather than a SAX-style parser.
Can anyone recommend a good library, or does anyone have any experience or had problems with libraries?
I have seen the list of libraries in C on JSON.org - are there any good libraries missing from this list?
My requirements are for a small library with as little code / runtime size as possible, and a permissive BSD/MIT style license, since my library will be embedded in other applications.
Thanks,
Marc
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Parsing JSON in C using microjson Developed originally for server-browser communication, the use of JSON has since expanded into a universal data interchange format. This tutorial will provide a simple introduction to parsing JSON strings in the C programming language using the microjson library.
Welcome to cJSON. It's a single file of C, and a single header file. JSON is described best here: http://www.json.org/ It's like XML, but fat-free. You use it to move data around, store things, or just generally represent your program's state.
jsmn (pronounced like 'jasmine') is a minimalistic JSON parser in C. It can be easily integrated into resource-limited or embedded projects. You can find more information about JSON format at json.org. Library sources are available at https://github.com/zserge/jsmn.
Tagged: JSON, C++ json. hpp is a single-header C++ library for handling JSON. It provides easy, clean ways to read from and write to JSON files.
I'm recommending Jansson, which I find quite easy to use (and which loads the JSON in memory at once). However, I don't know well all the alternatives, and I don't have a working experience of all of them.
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