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63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
#include "rapidjson/document.h"
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#include "rapidjson/filewritestream.h"
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#include <rapidjson/prettywriter.h>
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#include <algorithm>
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#include <iostream>
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using namespace rapidjson;
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using namespace std;
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static void printIt(const Value &doc) {
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char writeBuffer[65536];
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FileWriteStream os(stdout, writeBuffer, sizeof(writeBuffer));
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PrettyWriter<FileWriteStream> writer(os);
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doc.Accept(writer);
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cout << endl;
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}
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struct NameComparator {
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bool operator()(const Value::Member &lhs, const Value::Member &rhs) const {
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return (strcmp(lhs.name.GetString(), rhs.name.GetString()) < 0);
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}
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};
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int main() {
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Document d(kObjectType);
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Document::AllocatorType &allocator = d.GetAllocator();
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d.AddMember("zeta", Value().SetBool(false), allocator);
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d.AddMember("gama", Value().SetString("test string", allocator), allocator);
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d.AddMember("delta", Value().SetInt(123), allocator);
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d.AddMember("alpha", Value(kArrayType).Move(), allocator);
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printIt(d);
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/*
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{
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"zeta": false,
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"gama": "test string",
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"delta": 123,
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"alpha": []
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}
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*/
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// C++11 supports std::move() of Value so it always have no problem for std::sort().
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// Some C++03 implementations of std::sort() requires copy constructor which causes compilation error.
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// Needs a sorting function only depends on std::swap() instead.
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#if __cplusplus >= 201103L || (!defined(__GLIBCXX__) && (!defined(_MSC_VER) || _MSC_VER >= 1900))
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std::sort(d.MemberBegin(), d.MemberEnd(), NameComparator());
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printIt(d);
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/*
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{
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"alpha": [],
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"delta": 123,
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"gama": "test string",
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"zeta": false
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}
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*/
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#endif
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}
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