1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
#define RAPIDJSON_HAS_STDSTRING 1
#include "rapidjson/document.h"
#include <rapidjson/prettywriter.h>
#include <rapidjson/stringbuffer.h>
#include <algorithm>
#include <iostream>
using namespace rapidjson;
using namespace std;
void printIt(Document &doc)
{
string output;
StringBuffer buffer;
PrettyWriter<StringBuffer> writer(buffer);
doc.Accept(writer);
output = buffer.GetString();
cout << output << endl;
}
struct ValueNameComparator
{
bool
operator()(const GenericMember<UTF8<>, MemoryPoolAllocator<>> &lhs,
const GenericMember<UTF8<>, MemoryPoolAllocator<>> &rhs) const
{
string lhss = string(lhs.name.GetString());
string rhss = string(rhs.name.GetString());
return lhss < rhss;
}
};
int main()
{
Document d = Document(kObjectType);
Document::AllocatorType &allocator = d.GetAllocator();
d.AddMember("zeta", Value().SetBool(false), allocator);
d.AddMember("gama", Value().SetString("test string", allocator), allocator);
d.AddMember("delta", Value().SetInt(123), allocator);
Value a(kArrayType);
d.AddMember("alpha", a, allocator);
printIt(d);
/**
{
"zeta": false,
"gama": "test string",
"delta": 123,
"alpha": []
}
**/
std::sort(d.MemberBegin(), d.MemberEnd(), ValueNameComparator());
printIt(d);
/**
{
"alpha": [],
"delta": 123,
"gama": "test string",
"zeta": false
}
**/
return 0;
}
|