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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
// Copyright 2014 BitPay Inc.
// Copyright 2015 Bitcoin Core Developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or https://opensource.org/licenses/mit-license.php.
#include <univalue.h>
#include <iomanip>
#include <map>
#include <memory>
#include <sstream>
#include <string>
#include <utility>
#include <vector>
const UniValue NullUniValue;
void UniValue::clear()
{
typ = VNULL;
val.clear();
keys.clear();
values.clear();
}
void UniValue::setNull()
{
clear();
}
void UniValue::setBool(bool val_)
{
clear();
typ = VBOOL;
if (val_)
val = "1";
}
static bool validNumStr(const std::string& s)
{
std::string tokenVal;
unsigned int consumed;
enum jtokentype tt = getJsonToken(tokenVal, consumed, s.data(), s.data() + s.size());
return (tt == JTOK_NUMBER);
}
void UniValue::setNumStr(const std::string& val_)
{
if (!validNumStr(val_)) {
throw std::runtime_error{"The string '" + val_ + "' is not a valid JSON number"};
}
clear();
typ = VNUM;
val = val_;
}
void UniValue::setInt(uint64_t val_)
{
std::ostringstream oss;
oss << val_;
return setNumStr(oss.str());
}
void UniValue::setInt(int64_t val_)
{
std::ostringstream oss;
oss << val_;
return setNumStr(oss.str());
}
void UniValue::setFloat(double val_)
{
std::ostringstream oss;
oss << std::setprecision(16) << val_;
return setNumStr(oss.str());
}
void UniValue::setStr(const std::string& val_)
{
clear();
typ = VSTR;
val = val_;
}
void UniValue::setArray()
{
clear();
typ = VARR;
}
void UniValue::setObject()
{
clear();
typ = VOBJ;
}
void UniValue::push_back(UniValue val)
{
checkType(VARR);
values.push_back(std::move(val));
}
void UniValue::push_backV(const std::vector<UniValue>& vec)
{
checkType(VARR);
values.insert(values.end(), vec.begin(), vec.end());
}
void UniValue::__pushKV(std::string key, UniValue val)
{
checkType(VOBJ);
keys.push_back(std::move(key));
values.push_back(std::move(val));
}
void UniValue::pushKV(std::string key, UniValue val)
{
checkType(VOBJ);
size_t idx;
if (findKey(key, idx))
values[idx] = std::move(val);
else
__pushKV(std::move(key), std::move(val));
}
void UniValue::pushKVs(UniValue obj)
{
checkType(VOBJ);
obj.checkType(VOBJ);
for (size_t i = 0; i < obj.keys.size(); i++)
__pushKV(std::move(obj.keys.at(i)), std::move(obj.values.at(i)));
}
void UniValue::getObjMap(std::map<std::string,UniValue>& kv) const
{
if (typ != VOBJ)
return;
kv.clear();
for (size_t i = 0; i < keys.size(); i++)
kv[keys[i]] = values[i];
}
bool UniValue::findKey(const std::string& key, size_t& retIdx) const
{
for (size_t i = 0; i < keys.size(); i++) {
if (keys[i] == key) {
retIdx = i;
return true;
}
}
return false;
}
bool UniValue::checkObject(const std::map<std::string,UniValue::VType>& t) const
{
if (typ != VOBJ) {
return false;
}
for (const auto& object: t) {
size_t idx = 0;
if (!findKey(object.first, idx)) {
return false;
}
if (values.at(idx).getType() != object.second) {
return false;
}
}
return true;
}
const UniValue& UniValue::operator[](const std::string& key) const
{
if (typ != VOBJ)
return NullUniValue;
size_t index = 0;
if (!findKey(key, index))
return NullUniValue;
return values.at(index);
}
const UniValue& UniValue::operator[](size_t index) const
{
if (typ != VOBJ && typ != VARR)
return NullUniValue;
if (index >= values.size())
return NullUniValue;
return values.at(index);
}
void UniValue::checkType(const VType& expected) const
{
if (typ != expected) {
throw type_error{"JSON value of type " + std::string{uvTypeName(typ)} + " is not of expected type " +
std::string{uvTypeName(expected)}};
}
}
const char *uvTypeName(UniValue::VType t)
{
switch (t) {
case UniValue::VNULL: return "null";
case UniValue::VBOOL: return "bool";
case UniValue::VOBJ: return "object";
case UniValue::VARR: return "array";
case UniValue::VSTR: return "string";
case UniValue::VNUM: return "number";
}
// not reached
return nullptr;
}
const UniValue& find_value(const UniValue& obj, const std::string& name)
{
for (unsigned int i = 0; i < obj.keys.size(); i++)
if (obj.keys[i] == name)
return obj.values.at(i);
return NullUniValue;
}
|
