comparison: src/json.c
src/json.c
- changeset 1132
- b7fea9b2874c
- parent 1130
- 5bcb725119b6
- child 1139
- 7dfa5bcf39ee
equal
deleted
inserted
replaced
| 1131:644f77f903b1 | 1132:b7fea9b2874c |
|---|---|
| 27 */ | 27 */ |
| 28 | 28 |
| 29 #include "cx/json.h" | 29 #include "cx/json.h" |
| 30 | 30 |
| 31 #include <string.h> | 31 #include <string.h> |
| 32 #include <ctype.h> | |
| 33 #include <assert.h> | 32 #include <assert.h> |
| 34 #include <stdio.h> | 33 #include <stdio.h> |
| 35 #include <inttypes.h> | 34 #include <inttypes.h> |
| 36 | 35 |
| 37 /* | 36 /* |
| 131 if (token->allocated) { | 130 if (token->allocated) { |
| 132 cx_strfree(&token->content); | 131 cx_strfree(&token->content); |
| 133 } | 132 } |
| 134 } | 133 } |
| 135 | 134 |
| 135 static bool json_isdigit(char c) { | |
| 136 // TODO: remove once UCX has public API for this | |
| 137 return c >= '0' && c <= '9'; | |
| 138 } | |
| 139 | |
| 140 static bool json_isspace(char c) { | |
| 141 // TODO: remove once UCX has public API for this | |
| 142 return c == ' ' || c == '\t' || c == '\r' || c == '\n' || c == '\v' || c == '\f'; | |
| 143 } | |
| 144 | |
| 136 static int num_isexp(const char *content, size_t length, size_t pos) { | 145 static int num_isexp(const char *content, size_t length, size_t pos) { |
| 137 if (pos >= length) { | 146 if (pos >= length) { |
| 138 return 0; | 147 return 0; |
| 139 } | 148 } |
| 140 | 149 |
| 141 int ok = 0; | 150 int ok = 0; |
| 142 for (size_t i = pos; i < length; i++) { | 151 for (size_t i = pos; i < length; i++) { |
| 143 char c = content[i]; | 152 char c = content[i]; |
| 144 if (isdigit(c)) { | 153 if (json_isdigit(c)) { |
| 145 ok = 1; | 154 ok = 1; |
| 146 } else if (i == pos) { | 155 } else if (i == pos) { |
| 147 if (!(c == '+' || c == '-')) { | 156 if (!(c == '+' || c == '-')) { |
| 148 return 0; | 157 return 0; |
| 149 } | 158 } |
| 156 } | 165 } |
| 157 | 166 |
| 158 static CxJsonTokenType token_numbertype(const char *content, size_t length) { | 167 static CxJsonTokenType token_numbertype(const char *content, size_t length) { |
| 159 if (length == 0) return CX_JSON_TOKEN_ERROR; | 168 if (length == 0) return CX_JSON_TOKEN_ERROR; |
| 160 | 169 |
| 161 if (content[0] != '-' && !isdigit(content[0])) { | 170 if (content[0] != '-' && !json_isdigit(content[0])) { |
| 162 return CX_JSON_TOKEN_ERROR; | 171 return CX_JSON_TOKEN_ERROR; |
| 163 } | 172 } |
| 164 | 173 |
| 165 CxJsonTokenType type = CX_JSON_TOKEN_INTEGER; | 174 CxJsonTokenType type = CX_JSON_TOKEN_INTEGER; |
| 166 for (size_t i = 1; i < length; i++) { | 175 for (size_t i = 1; i < length; i++) { |
| 169 return CX_JSON_TOKEN_ERROR; // more than one decimal separator | 178 return CX_JSON_TOKEN_ERROR; // more than one decimal separator |
| 170 } | 179 } |
| 171 type = CX_JSON_TOKEN_NUMBER; | 180 type = CX_JSON_TOKEN_NUMBER; |
| 172 } else if (content[i] == 'e' || content[i] == 'E') { | 181 } else if (content[i] == 'e' || content[i] == 'E') { |
| 173 return num_isexp(content, length, i + 1) ? CX_JSON_TOKEN_NUMBER : CX_JSON_TOKEN_ERROR; | 182 return num_isexp(content, length, i + 1) ? CX_JSON_TOKEN_NUMBER : CX_JSON_TOKEN_ERROR; |
| 174 } else if (!isdigit(content[i])) { | 183 } else if (!json_isdigit(content[i])) { |
| 175 return CX_JSON_TOKEN_ERROR; // char is not a digit, decimal separator or exponent sep | 184 return CX_JSON_TOKEN_ERROR; // char is not a digit, decimal separator or exponent sep |
| 176 } | 185 } |
| 177 } | 186 } |
| 178 | 187 |
| 179 return type; | 188 return type; |
| 233 } | 242 } |
| 234 case '"': { | 243 case '"': { |
| 235 return CX_JSON_TOKEN_STRING; | 244 return CX_JSON_TOKEN_STRING; |
| 236 } | 245 } |
| 237 default: { | 246 default: { |
| 238 if (isspace(c)) { | 247 if (json_isspace(c)) { |
| 239 return CX_JSON_TOKEN_SPACE; | 248 return CX_JSON_TOKEN_SPACE; |
| 240 } | 249 } |
| 241 } | 250 } |
| 242 } | 251 } |
| 243 return CX_JSON_NO_TOKEN; | 252 return CX_JSON_NO_TOKEN; |
