Tencent/rapidjson 源码下载_部署教程

项目概述

A fast JSON parser/generator for C++ with both SAX/DOM style API

项目地址

https://github.com/Tencent/rapidjson

项目页面预览

Tencent/rapidjson preview

关键指标

Stars：14957
主要语言：C++
License：Other
最近更新：2025-02-05T13:28:08Z
默认分支：master

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安装部署要点（README 精选）

Installation

RapidJSON is a header-only C++ library. Just copy the include/rapidjson folder to system or project’s include path.

Alternatively, if you are using the vcpkg dependency manager you can download and install rapidjson with CMake integration in a single command:
* vcpkg install rapidjson

RapidJSON uses following software as its dependencies:
* CMake as a general build tool
* (optional) Doxygen to build documentation
* (optional) googletest for unit and performance testing

To generate user documentation and run tests please proceed with the steps below:

Execute git submodule update --init to get the files of thirdparty submodules (google test).
Create directory called build in rapidjson source directory.
Change to build directory and run cmake .. command to configure your build. Windows users can do the same with cmake-gui application.
On Windows, build the solution found in the build directory. On Linux, run make from the build directory.

On successful build you will find compiled test and example binaries in bin
directory. The generated documentation will be available in doc/html
directory of the build tree. To run tests after finished build please run make test or ctest from your build tree. You can get detailed output using ctest -V command.

It is possible to install library system-wide by running make install command
from the build tree with administrative privileges. This will install all files
according to system preferences. Once RapidJSON is installed, it is possible
to use it from other CMake projects by adding find_package(RapidJSON) line to
your CMakeLists.txt.

Usage at a glance

This simple example parses a JSON string into a document (DOM), make a simple modification of the DOM, and finally stringify the DOM to a JSON string.

// rapidjson/example/simpledom/simpledom.cpp`
#include "rapidjson/document.h"
#include "rapidjson/writer.h"
#include "rapidjson/stringbuffer.h"
#include <iostream>

using namespace rapidjson;

int main() {
    // 1. Parse a JSON string into DOM.
    const char* json = "{\"project\":\"rapidjson\",\"stars\":10}";
    Document d;
    d.Parse(json);

    // 2. Modify it by DOM.
    Value& s = d["stars"];
    s.SetInt(s.GetInt() + 1);

    // 3. Stringify the DOM
    StringBuffer buffer;
    Writer<StringBuffer> writer(buffer);
    d.Accept(writer);

    // Output {"project":"rapidjson","stars":11}
    std::cout << buffer.GetString() << std::endl;
    return 0;
}

Note that this example did not handle potential errors.

The following diagram shows the process.

simpledom

More examples are available:

DOM API
tutorial: Basic usage of DOM API.
SAX API
simplereader: Dumps all SAX events while parsing a JSON by Reader.
condense: A command line tool to rewrite a JSON, with all whitespaces removed.
pretty: A command line tool to rewrite a JSON with indents and newlines by PrettyWriter.
capitalize: A command line tool to capitalize strings in JSON.
messagereader: Parse a JSON message with SAX API.
serialize: Serialize a C++ object into JSON with SAX API.
jsonx: Implements a JsonxWriter which stringify SAX events into JSONx (a kind of XML) format. The example is a command line tool which converts input JSON into JSONx format.
Schema
schemavalidator : A command line tool to validate a JSON with a JSON schema.
Advanced
prettyauto: A modified version of pretty to automatically handle JSON with any UTF encodings.
parsebyparts: Implements an AsyncDocumentParser which can parse JSON in parts, using C++11 thread.
filterkey: A command line tool to remove all values with user-specified key.
filterkeydom: Same tool as above, but it demonstrates how to use a generator to populate a Document.

常用命令（从 README 提取）

Tencent is pleased to support the open source community by making RapidJSON available.

Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip.

Licensed under the MIT License (the "License"); you may not use this file except
in compliance with the License. You may obtain a copy of the License at

http://opensource.org/licenses/MIT

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.