SDchain C Plus Plus Team / Mbed 2 deprecated bcsdk

二期c++接口

Dependencies:   EthernetInterface mbed-rtos mbed uniqueCPUID

Fork of bcsdk by Heng Well

MbedJSONValue.cpp@17:82d09b5a9189, 2018-06-08 (annotated)

Committer:
MrAI
Date:
Fri Jun 08 01:40:23 2018 +0000
Revision:
17:82d09b5a9189
Parent:
8:f2a567ee3a46 
????

Who changed what in which revision?

UserRevisionLine numberNew contents of line
webmaster 8:f2a567ee3a46 1 #include "MbedJSONValue.h"
webmaster 8:f2a567ee3a46 2
webmaster 8:f2a567ee3a46 3 # include <stdlib.h>
webmaster 8:f2a567ee3a46 4 # include <stdio.h>
webmaster 8:f2a567ee3a46 5
webmaster 8:f2a567ee3a46 6 // Clean up
webmaster 8:f2a567ee3a46 7 void MbedJSONValue::clean() {
webmaster 8:f2a567ee3a46 8 switch (_type) {
webmaster 8:f2a567ee3a46 9 case TypeString:
webmaster 8:f2a567ee3a46 10 delete _value.asString;
webmaster 8:f2a567ee3a46 11 break;
webmaster 8:f2a567ee3a46 12 case TypeArray:
webmaster 8:f2a567ee3a46 13 for (int i = 0; i < index_array; i++)
webmaster 8:f2a567ee3a46 14 delete array[i];
webmaster 8:f2a567ee3a46 15 index_array = 0;
webmaster 8:f2a567ee3a46 16 break;
webmaster 8:f2a567ee3a46 17 case TypeObject:
webmaster 8:f2a567ee3a46 18 for (int i = 0; i < index_token; i++) {
webmaster 8:f2a567ee3a46 19 delete token[i];
webmaster 8:f2a567ee3a46 20 delete token_name[i];
webmaster 8:f2a567ee3a46 21 }
webmaster 8:f2a567ee3a46 22 index_token = 0;
webmaster 8:f2a567ee3a46 23 break;
webmaster 8:f2a567ee3a46 24 default:
webmaster 8:f2a567ee3a46 25 break;
webmaster 8:f2a567ee3a46 26 }
webmaster 8:f2a567ee3a46 27 _type = TypeNull;
webmaster 8:f2a567ee3a46 28 _type = TypeNull;
webmaster 8:f2a567ee3a46 29 }
webmaster 8:f2a567ee3a46 30
webmaster 8:f2a567ee3a46 31 bool MbedJSONValue::hasMember(char * name)
webmaster 8:f2a567ee3a46 32 {
webmaster 8:f2a567ee3a46 33 for(int i = 0; i < index_token; i++)
webmaster 8:f2a567ee3a46 34 if( !strcmp(name, (*(token_name[i])).c_str() ))
webmaster 8:f2a567ee3a46 35 return true;
webmaster 8:f2a567ee3a46 36 return false;
webmaster 8:f2a567ee3a46 37 }
webmaster 8:f2a567ee3a46 38
webmaster 8:f2a567ee3a46 39
webmaster 8:f2a567ee3a46 40 void copy(const std::string& s, std::back_insert_iterator<std::string> oi) {
webmaster 8:f2a567ee3a46 41 std::copy(s.begin(), s.end(), oi);
webmaster 8:f2a567ee3a46 42 }
webmaster 8:f2a567ee3a46 43
webmaster 8:f2a567ee3a46 44 void serialize_str(const std::string& s, std::back_insert_iterator<std::string> oi) {
webmaster 8:f2a567ee3a46 45 *oi++ = '"';
webmaster 8:f2a567ee3a46 46 for (std::string::const_iterator i = s.begin(); i != s.end(); ++i) {
webmaster 8:f2a567ee3a46 47 switch (*i) {
webmaster 8:f2a567ee3a46 48 #define MAP(val, sym) case val: copy(sym, oi); break
webmaster 8:f2a567ee3a46 49 MAP('"', "\\\"");
webmaster 8:f2a567ee3a46 50 MAP('\\', "\\\\");
webmaster 8:f2a567ee3a46 51 MAP('/', "\\/");
webmaster 8:f2a567ee3a46 52 MAP('\b', "\\b");
webmaster 8:f2a567ee3a46 53 MAP('\f', "\\f");
webmaster 8:f2a567ee3a46 54 MAP('\n', "\\n");
webmaster 8:f2a567ee3a46 55 MAP('\r', "\\r");
webmaster 8:f2a567ee3a46 56 MAP('\t', "\\t");
webmaster 8:f2a567ee3a46 57 #undef MAP
webmaster 8:f2a567ee3a46 58 default:
webmaster 8:f2a567ee3a46 59 if ((unsigned char)*i < 0x20 || *i == 0x7f) {
webmaster 8:f2a567ee3a46 60 char buf[7];
webmaster 8:f2a567ee3a46 61 sprintf(buf, "\\u%04x", *i & 0xff);
webmaster 8:f2a567ee3a46 62 copy(buf, buf + 6, oi);
webmaster 8:f2a567ee3a46 63 } else {
webmaster 8:f2a567ee3a46 64 *oi++ = *i;
webmaster 8:f2a567ee3a46 65 }
webmaster 8:f2a567ee3a46 66 break;
webmaster 8:f2a567ee3a46 67 }
webmaster 8:f2a567ee3a46 68 }
webmaster 8:f2a567ee3a46 69 *oi++ = '"';
webmaster 8:f2a567ee3a46 70 }
webmaster 8:f2a567ee3a46 71
webmaster 8:f2a567ee3a46 72 std::string MbedJSONValue::serialize(){
webmaster 8:f2a567ee3a46 73 std::string s;
webmaster 8:f2a567ee3a46 74 serialize(std::back_inserter(s));
webmaster 8:f2a567ee3a46 75 return s;
webmaster 8:f2a567ee3a46 76 }
webmaster 8:f2a567ee3a46 77
webmaster 8:f2a567ee3a46 78 std::string MbedJSONValue::to_str(){
webmaster 8:f2a567ee3a46 79 switch (_type) {
webmaster 8:f2a567ee3a46 80 case TypeNull:
webmaster 8:f2a567ee3a46 81 return "null";
webmaster 8:f2a567ee3a46 82 case TypeBoolean:
webmaster 8:f2a567ee3a46 83 return _value.asBool ? "true" : "false";
webmaster 8:f2a567ee3a46 84 case TypeInt: {
webmaster 8:f2a567ee3a46 85 char buf[10];
webmaster 8:f2a567ee3a46 86 sprintf(buf, "%d", _value.asInt);
webmaster 8:f2a567ee3a46 87 return buf;
webmaster 8:f2a567ee3a46 88 }
webmaster 8:f2a567ee3a46 89 case TypeDouble: {
webmaster 8:f2a567ee3a46 90 char buf[10];
webmaster 8:f2a567ee3a46 91 sprintf(buf, "%f", _value.asDouble);
webmaster 8:f2a567ee3a46 92 return buf;
webmaster 8:f2a567ee3a46 93 }
webmaster 8:f2a567ee3a46 94 default:
webmaster 8:f2a567ee3a46 95 break;
webmaster 8:f2a567ee3a46 96 }
webmaster 8:f2a567ee3a46 97 return NULL;
webmaster 8:f2a567ee3a46 98 }
webmaster 8:f2a567ee3a46 99
webmaster 8:f2a567ee3a46 100
webmaster 8:f2a567ee3a46 101
webmaster 8:f2a567ee3a46 102 void MbedJSONValue::serialize(std::back_insert_iterator<std::string> oi) {
webmaster 8:f2a567ee3a46 103 switch (_type) {
webmaster 8:f2a567ee3a46 104 case TypeString:
webmaster 8:f2a567ee3a46 105 serialize_str(*_value.asString, oi);
webmaster 8:f2a567ee3a46 106 break;
webmaster 8:f2a567ee3a46 107 case TypeArray: {
webmaster 8:f2a567ee3a46 108 *oi++ = '[';
webmaster 8:f2a567ee3a46 109 for (int i = 0; i < index_array; i++) {
webmaster 8:f2a567ee3a46 110 if (i)
webmaster 8:f2a567ee3a46 111 *oi++ = ',';
webmaster 8:f2a567ee3a46 112 (*this)[i].serialize(oi);
webmaster 8:f2a567ee3a46 113 }
webmaster 8:f2a567ee3a46 114 *oi++ = ']';
webmaster 8:f2a567ee3a46 115 break;
webmaster 8:f2a567ee3a46 116 }
webmaster 8:f2a567ee3a46 117 case TypeObject: {
webmaster 8:f2a567ee3a46 118 *oi++ = '{';
webmaster 8:f2a567ee3a46 119 for (int i = 0; i < index_token; i++) {
webmaster 8:f2a567ee3a46 120 if (i)
webmaster 8:f2a567ee3a46 121 *oi++ = ',';
webmaster 8:f2a567ee3a46 122 serialize_str(*(token_name[i]), oi);
webmaster 8:f2a567ee3a46 123 *oi++ = ':';
webmaster 8:f2a567ee3a46 124 (*(token[i])).serialize(oi);
webmaster 8:f2a567ee3a46 125 }
webmaster 8:f2a567ee3a46 126 *oi++ = '}';
webmaster 8:f2a567ee3a46 127 break;
webmaster 8:f2a567ee3a46 128 }
webmaster 8:f2a567ee3a46 129 default:
webmaster 8:f2a567ee3a46 130 copy(to_str(), oi);
webmaster 8:f2a567ee3a46 131 break;
webmaster 8:f2a567ee3a46 132 }
webmaster 8:f2a567ee3a46 133 }
webmaster 8:f2a567ee3a46 134
webmaster 8:f2a567ee3a46 135
webmaster 8:f2a567ee3a46 136
webmaster 8:f2a567ee3a46 137 MbedJSONValue& MbedJSONValue::operator[](int i) {
webmaster 8:f2a567ee3a46 138 _type = TypeArray;
webmaster 8:f2a567ee3a46 139 if (i < NB_TOKEN && index_array == i ) {
webmaster 8:f2a567ee3a46 140 #ifdef DEBUG
webmaster 8:f2a567ee3a46 141 printf("will add an element to the array\r\n");
webmaster 8:f2a567ee3a46 142 #endif
webmaster 8:f2a567ee3a46 143 array[i] = new MbedJSONValue();
webmaster 8:f2a567ee3a46 144 index_array++;
webmaster 8:f2a567ee3a46 145 return *(array[i]);
webmaster 8:f2a567ee3a46 146 }
webmaster 8:f2a567ee3a46 147 if (i < NB_TOKEN && index_array > i)
webmaster 8:f2a567ee3a46 148 return *(array[i]);
webmaster 8:f2a567ee3a46 149
webmaster 8:f2a567ee3a46 150 //if the user is not doing something wrong, this code is never executed!!
webmaster 8:f2a567ee3a46 151 return *(new MbedJSONValue());
webmaster 8:f2a567ee3a46 152 }
webmaster 8:f2a567ee3a46 153
webmaster 8:f2a567ee3a46 154 MbedJSONValue& MbedJSONValue::operator[](std::string k) {
webmaster 8:f2a567ee3a46 155 _type = TypeObject;
webmaster 8:f2a567ee3a46 156 for (int i = 0; i < index_token; i++) {
webmaster 8:f2a567ee3a46 157 #ifdef DEBUG
webmaster 8:f2a567ee3a46 158 printf("k: %s\r\n", k.c_str());
webmaster 8:f2a567ee3a46 159 printf("str: %s\r\n", token_name[i]->c_str());
webmaster 8:f2a567ee3a46 160 #endif
webmaster 8:f2a567ee3a46 161 //existing token
webmaster 8:f2a567ee3a46 162 if (!strcmp(k.c_str(), token_name[i]->c_str())) {
webmaster 8:f2a567ee3a46 163 #ifdef DEBUG
webmaster 8:f2a567ee3a46 164 printf("token found: %d\r\n", i);
webmaster 8:f2a567ee3a46 165 #endif
webmaster 8:f2a567ee3a46 166 return *(token[i]);
webmaster 8:f2a567ee3a46 167 }
webmaster 8:f2a567ee3a46 168 }
webmaster 8:f2a567ee3a46 169
webmaster 8:f2a567ee3a46 170 if(index_token >= NB_TOKEN)
webmaster 8:f2a567ee3a46 171 index_token = NB_TOKEN - 1;
webmaster 8:f2a567ee3a46 172 //non existing token
webmaster 8:f2a567ee3a46 173 token_name[index_token] = new std::string(k);
webmaster 8:f2a567ee3a46 174 token[index_token] = new MbedJSONValue();
webmaster 8:f2a567ee3a46 175 index_token++;
webmaster 8:f2a567ee3a46 176 return *(token[index_token - 1]);
webmaster 8:f2a567ee3a46 177 }
webmaster 8:f2a567ee3a46 178
webmaster 8:f2a567ee3a46 179 MbedJSONValue& MbedJSONValue::operator[](std::string k) const
webmaster 8:f2a567ee3a46 180 {
webmaster 8:f2a567ee3a46 181 for (int i = 0; i < index_token; i++) {
webmaster 8:f2a567ee3a46 182 #ifdef DEBUG
webmaster 8:f2a567ee3a46 183 printf("k: %s\r\n", k.c_str());
webmaster 8:f2a567ee3a46 184 printf("str: %s\r\n", token_name[i]->c_str());
webmaster 8:f2a567ee3a46 185 #endif
webmaster 8:f2a567ee3a46 186 if (!strcmp(k.c_str(), token_name[i]->c_str())) {
webmaster 8:f2a567ee3a46 187 #ifdef DEBUG
webmaster 8:f2a567ee3a46 188 printf("token found: %d\r\n", i);
webmaster 8:f2a567ee3a46 189 #endif
webmaster 8:f2a567ee3a46 190 return *(token[i]);
webmaster 8:f2a567ee3a46 191 }
webmaster 8:f2a567ee3a46 192 }
webmaster 8:f2a567ee3a46 193
webmaster 8:f2a567ee3a46 194 //if the user is not doing something wrong, this code is never executed!!
webmaster 8:f2a567ee3a46 195 return *(new MbedJSONValue());
webmaster 8:f2a567ee3a46 196 }
webmaster 8:f2a567ee3a46 197
webmaster 8:f2a567ee3a46 198
webmaster 8:f2a567ee3a46 199 // Operators
webmaster 8:f2a567ee3a46 200 MbedJSONValue& MbedJSONValue::operator=(MbedJSONValue const& rhs) {
webmaster 8:f2a567ee3a46 201 if (this != &rhs) {
webmaster 8:f2a567ee3a46 202 clean();
webmaster 8:f2a567ee3a46 203 _type = rhs._type;
webmaster 8:f2a567ee3a46 204 switch (_type) {
webmaster 8:f2a567ee3a46 205 case TypeBoolean:
webmaster 8:f2a567ee3a46 206 _value.asBool = rhs._value.asBool;
webmaster 8:f2a567ee3a46 207 break;
webmaster 8:f2a567ee3a46 208 case TypeInt:
webmaster 8:f2a567ee3a46 209 _value.asInt = rhs._value.asInt;
webmaster 8:f2a567ee3a46 210 break;
webmaster 8:f2a567ee3a46 211 case TypeDouble:
webmaster 8:f2a567ee3a46 212 _value.asDouble = rhs._value.asDouble;
webmaster 8:f2a567ee3a46 213 break;
webmaster 8:f2a567ee3a46 214 case TypeString:
webmaster 8:f2a567ee3a46 215 _value.asString = new std::string(*rhs._value.asString);
webmaster 8:f2a567ee3a46 216 break;
webmaster 8:f2a567ee3a46 217 case TypeArray:
webmaster 8:f2a567ee3a46 218 for (int i = 0; i < rhs.index_array; i++)
webmaster 8:f2a567ee3a46 219 (*this)[i] = rhs[i];
webmaster 8:f2a567ee3a46 220 case TypeObject:
webmaster 8:f2a567ee3a46 221 for (int i = 0; i < rhs.index_token; i++)
webmaster 8:f2a567ee3a46 222 (*this)[*(rhs.token_name[i])] = rhs[*(rhs.token_name[i])];
webmaster 8:f2a567ee3a46 223 default:
webmaster 8:f2a567ee3a46 224 break;
webmaster 8:f2a567ee3a46 225 }
webmaster 8:f2a567ee3a46 226 }
webmaster 8:f2a567ee3a46 227 return *this;
webmaster 8:f2a567ee3a46 228 }
webmaster 8:f2a567ee3a46 229
webmaster 8:f2a567ee3a46 230
webmaster 8:f2a567ee3a46 231 // Works for strings, arrays, and structs.
webmaster 8:f2a567ee3a46 232 int MbedJSONValue::size() const {
webmaster 8:f2a567ee3a46 233 switch (_type) {
webmaster 8:f2a567ee3a46 234 case TypeString:
webmaster 8:f2a567ee3a46 235 return int(_value.asString->size());
webmaster 8:f2a567ee3a46 236 case TypeArray:
webmaster 8:f2a567ee3a46 237 return index_array;
webmaster 8:f2a567ee3a46 238 case TypeObject:
webmaster 8:f2a567ee3a46 239 return index_token;
webmaster 8:f2a567ee3a46 240 default:
webmaster 8:f2a567ee3a46 241 break;
webmaster 8:f2a567ee3a46 242 }
webmaster 8:f2a567ee3a46 243 return -1;
webmaster 8:f2a567ee3a46 244 }
webmaster 8:f2a567ee3a46 245
webmaster 8:f2a567ee3a46 246