comparison: src/json.c
src/json.c
- changeset 1415
- 40074e643663
- parent 1340
- 31c61b6dcaa5
equal
deleted
inserted
replaced
| 1414:597cf869e8bc | 1415:40074e643663 |
|---|---|
| 30 | 30 |
| 31 #include <string.h> | 31 #include <string.h> |
| 32 #include <assert.h> | 32 #include <assert.h> |
| 33 #include <stdio.h> | 33 #include <stdio.h> |
| 34 #include <inttypes.h> | 34 #include <inttypes.h> |
| 35 #include <ctype.h> | |
| 35 | 36 |
| 36 /* | 37 /* |
| 37 * RFC 8259 | 38 * RFC 8259 |
| 38 * https://tools.ietf.org/html/rfc8259 | 39 * https://tools.ietf.org/html/rfc8259 |
| 39 */ | 40 */ |
| 125 if (token->allocated) { | 126 if (token->allocated) { |
| 126 cx_strfree(&token->content); | 127 cx_strfree(&token->content); |
| 127 } | 128 } |
| 128 } | 129 } |
| 129 | 130 |
| 130 static bool json_isdigit(char c) { | |
| 131 // TODO: remove once UCX has public API for this | |
| 132 return c >= '0' && c <= '9'; | |
| 133 } | |
| 134 | |
| 135 static bool json_isspace(char c) { | |
| 136 // TODO: remove once UCX has public API for this | |
| 137 return c == ' ' || c == '\t' || c == '\r' || c == '\n' || c == '\v' || c == '\f'; | |
| 138 } | |
| 139 | |
| 140 static int num_isexp(const char *content, size_t length, size_t pos) { | 131 static int num_isexp(const char *content, size_t length, size_t pos) { |
| 141 if (pos >= length) { | 132 if (pos >= length) { |
| 142 return 0; | 133 return 0; |
| 143 } | 134 } |
| 144 | 135 |
| 145 int ok = 0; | 136 int ok = 0; |
| 146 for (size_t i = pos; i < length; i++) { | 137 for (size_t i = pos; i < length; i++) { |
| 147 char c = content[i]; | 138 char c = content[i]; |
| 148 if (json_isdigit(c)) { | 139 if (isdigit((unsigned char)c)) { |
| 149 ok = 1; | 140 ok = 1; |
| 150 } else if (i == pos) { | 141 } else if (i == pos) { |
| 151 if (!(c == '+' || c == '-')) { | 142 if (!(c == '+' || c == '-')) { |
| 152 return 0; | 143 return 0; |
| 153 } | 144 } |
| 160 } | 151 } |
| 161 | 152 |
| 162 static CxJsonTokenType token_numbertype(const char *content, size_t length) { | 153 static CxJsonTokenType token_numbertype(const char *content, size_t length) { |
| 163 if (length == 0) return CX_JSON_TOKEN_ERROR; | 154 if (length == 0) return CX_JSON_TOKEN_ERROR; |
| 164 | 155 |
| 165 if (content[0] != '-' && !json_isdigit(content[0])) { | 156 if (content[0] != '-' && !isdigit((unsigned char)content[0])) { |
| 166 return CX_JSON_TOKEN_ERROR; | 157 return CX_JSON_TOKEN_ERROR; |
| 167 } | 158 } |
| 168 | 159 |
| 169 CxJsonTokenType type = CX_JSON_TOKEN_INTEGER; | 160 CxJsonTokenType type = CX_JSON_TOKEN_INTEGER; |
| 170 for (size_t i = 1; i < length; i++) { | 161 for (size_t i = 1; i < length; i++) { |
| 173 return CX_JSON_TOKEN_ERROR; // more than one decimal separator | 164 return CX_JSON_TOKEN_ERROR; // more than one decimal separator |
| 174 } | 165 } |
| 175 type = CX_JSON_TOKEN_NUMBER; | 166 type = CX_JSON_TOKEN_NUMBER; |
| 176 } else if (content[i] == 'e' || content[i] == 'E') { | 167 } else if (content[i] == 'e' || content[i] == 'E') { |
| 177 return num_isexp(content, length, i + 1) ? CX_JSON_TOKEN_NUMBER : CX_JSON_TOKEN_ERROR; | 168 return num_isexp(content, length, i + 1) ? CX_JSON_TOKEN_NUMBER : CX_JSON_TOKEN_ERROR; |
| 178 } else if (!json_isdigit(content[i])) { | 169 } else if (!isdigit((unsigned char)content[i])) { |
| 179 return CX_JSON_TOKEN_ERROR; // char is not a digit, decimal separator or exponent sep | 170 return CX_JSON_TOKEN_ERROR; // char is not a digit, decimal separator or exponent sep |
| 180 } | 171 } |
| 181 } | 172 } |
| 182 | 173 |
| 183 return type; | 174 return type; |
| 237 } | 228 } |
| 238 case '"': { | 229 case '"': { |
| 239 return CX_JSON_TOKEN_STRING; | 230 return CX_JSON_TOKEN_STRING; |
| 240 } | 231 } |
| 241 default: { | 232 default: { |
| 242 if (json_isspace(c)) { | 233 if (isspace((unsigned char)c)) { |
| 243 return CX_JSON_TOKEN_SPACE; | 234 return CX_JSON_TOKEN_SPACE; |
| 244 } | 235 } |
| 245 } | 236 } |
| 246 } | 237 } |
| 247 return CX_JSON_NO_TOKEN; | 238 return CX_JSON_NO_TOKEN; |
