https://github.com/zserge/jsmn
jsmn.c@0:538ac55fc6fb, 2018-01-24 (annotated)
- Committer:
- dvddnr
- Date:
- Wed Jan 24 11:03:28 2018 +0000
- Revision:
- 0:538ac55fc6fb
first release
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
dvddnr | 0:538ac55fc6fb | 1 | #include "jsmn.h" |
dvddnr | 0:538ac55fc6fb | 2 | |
dvddnr | 0:538ac55fc6fb | 3 | /** |
dvddnr | 0:538ac55fc6fb | 4 | * Allocates a fresh unused token from the token pull. |
dvddnr | 0:538ac55fc6fb | 5 | */ |
dvddnr | 0:538ac55fc6fb | 6 | static jsmntok_t *jsmn_alloc_token(jsmn_parser *parser, |
dvddnr | 0:538ac55fc6fb | 7 | jsmntok_t *tokens, size_t num_tokens) { |
dvddnr | 0:538ac55fc6fb | 8 | jsmntok_t *tok; |
dvddnr | 0:538ac55fc6fb | 9 | if (parser->toknext >= num_tokens) { |
dvddnr | 0:538ac55fc6fb | 10 | return NULL; |
dvddnr | 0:538ac55fc6fb | 11 | } |
dvddnr | 0:538ac55fc6fb | 12 | tok = &tokens[parser->toknext++]; |
dvddnr | 0:538ac55fc6fb | 13 | tok->start = tok->end = -1; |
dvddnr | 0:538ac55fc6fb | 14 | tok->size = 0; |
dvddnr | 0:538ac55fc6fb | 15 | #ifdef JSMN_PARENT_LINKS |
dvddnr | 0:538ac55fc6fb | 16 | tok->parent = -1; |
dvddnr | 0:538ac55fc6fb | 17 | #endif |
dvddnr | 0:538ac55fc6fb | 18 | return tok; |
dvddnr | 0:538ac55fc6fb | 19 | } |
dvddnr | 0:538ac55fc6fb | 20 | |
dvddnr | 0:538ac55fc6fb | 21 | /** |
dvddnr | 0:538ac55fc6fb | 22 | * Fills token type and boundaries. |
dvddnr | 0:538ac55fc6fb | 23 | */ |
dvddnr | 0:538ac55fc6fb | 24 | static void jsmn_fill_token(jsmntok_t *token, jsmntype_t type, |
dvddnr | 0:538ac55fc6fb | 25 | int start, int end) { |
dvddnr | 0:538ac55fc6fb | 26 | token->type = type; |
dvddnr | 0:538ac55fc6fb | 27 | token->start = start; |
dvddnr | 0:538ac55fc6fb | 28 | token->end = end; |
dvddnr | 0:538ac55fc6fb | 29 | token->size = 0; |
dvddnr | 0:538ac55fc6fb | 30 | } |
dvddnr | 0:538ac55fc6fb | 31 | |
dvddnr | 0:538ac55fc6fb | 32 | /** |
dvddnr | 0:538ac55fc6fb | 33 | * Fills next available token with JSON primitive. |
dvddnr | 0:538ac55fc6fb | 34 | */ |
dvddnr | 0:538ac55fc6fb | 35 | static int jsmn_parse_primitive(jsmn_parser *parser, const char *js, |
dvddnr | 0:538ac55fc6fb | 36 | size_t len, jsmntok_t *tokens, size_t num_tokens) { |
dvddnr | 0:538ac55fc6fb | 37 | jsmntok_t *token; |
dvddnr | 0:538ac55fc6fb | 38 | int start; |
dvddnr | 0:538ac55fc6fb | 39 | |
dvddnr | 0:538ac55fc6fb | 40 | start = parser->pos; |
dvddnr | 0:538ac55fc6fb | 41 | |
dvddnr | 0:538ac55fc6fb | 42 | for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) { |
dvddnr | 0:538ac55fc6fb | 43 | switch (js[parser->pos]) { |
dvddnr | 0:538ac55fc6fb | 44 | #ifndef JSMN_STRICT |
dvddnr | 0:538ac55fc6fb | 45 | /* In strict mode primitive must be followed by "," or "}" or "]" */ |
dvddnr | 0:538ac55fc6fb | 46 | case ':': |
dvddnr | 0:538ac55fc6fb | 47 | #endif |
dvddnr | 0:538ac55fc6fb | 48 | case '\t' : case '\r' : case '\n' : case ' ' : |
dvddnr | 0:538ac55fc6fb | 49 | case ',' : case ']' : case '}' : |
dvddnr | 0:538ac55fc6fb | 50 | goto found; |
dvddnr | 0:538ac55fc6fb | 51 | } |
dvddnr | 0:538ac55fc6fb | 52 | if (js[parser->pos] < 32 || js[parser->pos] >= 127) { |
dvddnr | 0:538ac55fc6fb | 53 | parser->pos = start; |
dvddnr | 0:538ac55fc6fb | 54 | return JSMN_ERROR_INVAL; |
dvddnr | 0:538ac55fc6fb | 55 | } |
dvddnr | 0:538ac55fc6fb | 56 | } |
dvddnr | 0:538ac55fc6fb | 57 | #ifdef JSMN_STRICT |
dvddnr | 0:538ac55fc6fb | 58 | /* In strict mode primitive must be followed by a comma/object/array */ |
dvddnr | 0:538ac55fc6fb | 59 | parser->pos = start; |
dvddnr | 0:538ac55fc6fb | 60 | return JSMN_ERROR_PART; |
dvddnr | 0:538ac55fc6fb | 61 | #endif |
dvddnr | 0:538ac55fc6fb | 62 | |
dvddnr | 0:538ac55fc6fb | 63 | found: |
dvddnr | 0:538ac55fc6fb | 64 | if (tokens == NULL) { |
dvddnr | 0:538ac55fc6fb | 65 | parser->pos--; |
dvddnr | 0:538ac55fc6fb | 66 | return 0; |
dvddnr | 0:538ac55fc6fb | 67 | } |
dvddnr | 0:538ac55fc6fb | 68 | token = jsmn_alloc_token(parser, tokens, num_tokens); |
dvddnr | 0:538ac55fc6fb | 69 | if (token == NULL) { |
dvddnr | 0:538ac55fc6fb | 70 | parser->pos = start; |
dvddnr | 0:538ac55fc6fb | 71 | return JSMN_ERROR_NOMEM; |
dvddnr | 0:538ac55fc6fb | 72 | } |
dvddnr | 0:538ac55fc6fb | 73 | jsmn_fill_token(token, JSMN_PRIMITIVE, start, parser->pos); |
dvddnr | 0:538ac55fc6fb | 74 | #ifdef JSMN_PARENT_LINKS |
dvddnr | 0:538ac55fc6fb | 75 | token->parent = parser->toksuper; |
dvddnr | 0:538ac55fc6fb | 76 | #endif |
dvddnr | 0:538ac55fc6fb | 77 | parser->pos--; |
dvddnr | 0:538ac55fc6fb | 78 | return 0; |
dvddnr | 0:538ac55fc6fb | 79 | } |
dvddnr | 0:538ac55fc6fb | 80 | |
dvddnr | 0:538ac55fc6fb | 81 | /** |
dvddnr | 0:538ac55fc6fb | 82 | * Fills next token with JSON string. |
dvddnr | 0:538ac55fc6fb | 83 | */ |
dvddnr | 0:538ac55fc6fb | 84 | static int jsmn_parse_string(jsmn_parser *parser, const char *js, |
dvddnr | 0:538ac55fc6fb | 85 | size_t len, jsmntok_t *tokens, size_t num_tokens) { |
dvddnr | 0:538ac55fc6fb | 86 | jsmntok_t *token; |
dvddnr | 0:538ac55fc6fb | 87 | |
dvddnr | 0:538ac55fc6fb | 88 | int start = parser->pos; |
dvddnr | 0:538ac55fc6fb | 89 | |
dvddnr | 0:538ac55fc6fb | 90 | parser->pos++; |
dvddnr | 0:538ac55fc6fb | 91 | |
dvddnr | 0:538ac55fc6fb | 92 | /* Skip starting quote */ |
dvddnr | 0:538ac55fc6fb | 93 | for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) { |
dvddnr | 0:538ac55fc6fb | 94 | char c = js[parser->pos]; |
dvddnr | 0:538ac55fc6fb | 95 | |
dvddnr | 0:538ac55fc6fb | 96 | /* Quote: end of string */ |
dvddnr | 0:538ac55fc6fb | 97 | if (c == '\"') { |
dvddnr | 0:538ac55fc6fb | 98 | if (tokens == NULL) { |
dvddnr | 0:538ac55fc6fb | 99 | return 0; |
dvddnr | 0:538ac55fc6fb | 100 | } |
dvddnr | 0:538ac55fc6fb | 101 | token = jsmn_alloc_token(parser, tokens, num_tokens); |
dvddnr | 0:538ac55fc6fb | 102 | if (token == NULL) { |
dvddnr | 0:538ac55fc6fb | 103 | parser->pos = start; |
dvddnr | 0:538ac55fc6fb | 104 | return JSMN_ERROR_NOMEM; |
dvddnr | 0:538ac55fc6fb | 105 | } |
dvddnr | 0:538ac55fc6fb | 106 | jsmn_fill_token(token, JSMN_STRING, start+1, parser->pos); |
dvddnr | 0:538ac55fc6fb | 107 | #ifdef JSMN_PARENT_LINKS |
dvddnr | 0:538ac55fc6fb | 108 | token->parent = parser->toksuper; |
dvddnr | 0:538ac55fc6fb | 109 | #endif |
dvddnr | 0:538ac55fc6fb | 110 | return 0; |
dvddnr | 0:538ac55fc6fb | 111 | } |
dvddnr | 0:538ac55fc6fb | 112 | |
dvddnr | 0:538ac55fc6fb | 113 | /* Backslash: Quoted symbol expected */ |
dvddnr | 0:538ac55fc6fb | 114 | if (c == '\\' && parser->pos + 1 < len) { |
dvddnr | 0:538ac55fc6fb | 115 | int i; |
dvddnr | 0:538ac55fc6fb | 116 | parser->pos++; |
dvddnr | 0:538ac55fc6fb | 117 | switch (js[parser->pos]) { |
dvddnr | 0:538ac55fc6fb | 118 | /* Allowed escaped symbols */ |
dvddnr | 0:538ac55fc6fb | 119 | case '\"': case '/' : case '\\' : case 'b' : |
dvddnr | 0:538ac55fc6fb | 120 | case 'f' : case 'r' : case 'n' : case 't' : |
dvddnr | 0:538ac55fc6fb | 121 | break; |
dvddnr | 0:538ac55fc6fb | 122 | /* Allows escaped symbol \uXXXX */ |
dvddnr | 0:538ac55fc6fb | 123 | case 'u': |
dvddnr | 0:538ac55fc6fb | 124 | parser->pos++; |
dvddnr | 0:538ac55fc6fb | 125 | for(i = 0; i < 4 && parser->pos < len && js[parser->pos] != '\0'; i++) { |
dvddnr | 0:538ac55fc6fb | 126 | /* If it isn't a hex character we have an error */ |
dvddnr | 0:538ac55fc6fb | 127 | if(!((js[parser->pos] >= 48 && js[parser->pos] <= 57) || /* 0-9 */ |
dvddnr | 0:538ac55fc6fb | 128 | (js[parser->pos] >= 65 && js[parser->pos] <= 70) || /* A-F */ |
dvddnr | 0:538ac55fc6fb | 129 | (js[parser->pos] >= 97 && js[parser->pos] <= 102))) { /* a-f */ |
dvddnr | 0:538ac55fc6fb | 130 | parser->pos = start; |
dvddnr | 0:538ac55fc6fb | 131 | return JSMN_ERROR_INVAL; |
dvddnr | 0:538ac55fc6fb | 132 | } |
dvddnr | 0:538ac55fc6fb | 133 | parser->pos++; |
dvddnr | 0:538ac55fc6fb | 134 | } |
dvddnr | 0:538ac55fc6fb | 135 | parser->pos--; |
dvddnr | 0:538ac55fc6fb | 136 | break; |
dvddnr | 0:538ac55fc6fb | 137 | /* Unexpected symbol */ |
dvddnr | 0:538ac55fc6fb | 138 | default: |
dvddnr | 0:538ac55fc6fb | 139 | parser->pos = start; |
dvddnr | 0:538ac55fc6fb | 140 | return JSMN_ERROR_INVAL; |
dvddnr | 0:538ac55fc6fb | 141 | } |
dvddnr | 0:538ac55fc6fb | 142 | } |
dvddnr | 0:538ac55fc6fb | 143 | } |
dvddnr | 0:538ac55fc6fb | 144 | parser->pos = start; |
dvddnr | 0:538ac55fc6fb | 145 | return JSMN_ERROR_PART; |
dvddnr | 0:538ac55fc6fb | 146 | } |
dvddnr | 0:538ac55fc6fb | 147 | |
dvddnr | 0:538ac55fc6fb | 148 | /** |
dvddnr | 0:538ac55fc6fb | 149 | * Parse JSON string and fill tokens. |
dvddnr | 0:538ac55fc6fb | 150 | */ |
dvddnr | 0:538ac55fc6fb | 151 | int jsmn_parse(jsmn_parser *parser, const char *js, size_t len, |
dvddnr | 0:538ac55fc6fb | 152 | jsmntok_t *tokens, unsigned int num_tokens) { |
dvddnr | 0:538ac55fc6fb | 153 | int r; |
dvddnr | 0:538ac55fc6fb | 154 | int i; |
dvddnr | 0:538ac55fc6fb | 155 | jsmntok_t *token; |
dvddnr | 0:538ac55fc6fb | 156 | int count = parser->toknext; |
dvddnr | 0:538ac55fc6fb | 157 | |
dvddnr | 0:538ac55fc6fb | 158 | for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) { |
dvddnr | 0:538ac55fc6fb | 159 | char c; |
dvddnr | 0:538ac55fc6fb | 160 | jsmntype_t type; |
dvddnr | 0:538ac55fc6fb | 161 | |
dvddnr | 0:538ac55fc6fb | 162 | c = js[parser->pos]; |
dvddnr | 0:538ac55fc6fb | 163 | switch (c) { |
dvddnr | 0:538ac55fc6fb | 164 | case '{': case '[': |
dvddnr | 0:538ac55fc6fb | 165 | count++; |
dvddnr | 0:538ac55fc6fb | 166 | if (tokens == NULL) { |
dvddnr | 0:538ac55fc6fb | 167 | break; |
dvddnr | 0:538ac55fc6fb | 168 | } |
dvddnr | 0:538ac55fc6fb | 169 | token = jsmn_alloc_token(parser, tokens, num_tokens); |
dvddnr | 0:538ac55fc6fb | 170 | if (token == NULL) |
dvddnr | 0:538ac55fc6fb | 171 | return JSMN_ERROR_NOMEM; |
dvddnr | 0:538ac55fc6fb | 172 | if (parser->toksuper != -1) { |
dvddnr | 0:538ac55fc6fb | 173 | tokens[parser->toksuper].size++; |
dvddnr | 0:538ac55fc6fb | 174 | #ifdef JSMN_PARENT_LINKS |
dvddnr | 0:538ac55fc6fb | 175 | token->parent = parser->toksuper; |
dvddnr | 0:538ac55fc6fb | 176 | #endif |
dvddnr | 0:538ac55fc6fb | 177 | } |
dvddnr | 0:538ac55fc6fb | 178 | token->type = (c == '{' ? JSMN_OBJECT : JSMN_ARRAY); |
dvddnr | 0:538ac55fc6fb | 179 | token->start = parser->pos; |
dvddnr | 0:538ac55fc6fb | 180 | parser->toksuper = parser->toknext - 1; |
dvddnr | 0:538ac55fc6fb | 181 | break; |
dvddnr | 0:538ac55fc6fb | 182 | case '}': case ']': |
dvddnr | 0:538ac55fc6fb | 183 | if (tokens == NULL) |
dvddnr | 0:538ac55fc6fb | 184 | break; |
dvddnr | 0:538ac55fc6fb | 185 | type = (c == '}' ? JSMN_OBJECT : JSMN_ARRAY); |
dvddnr | 0:538ac55fc6fb | 186 | #ifdef JSMN_PARENT_LINKS |
dvddnr | 0:538ac55fc6fb | 187 | if (parser->toknext < 1) { |
dvddnr | 0:538ac55fc6fb | 188 | return JSMN_ERROR_INVAL; |
dvddnr | 0:538ac55fc6fb | 189 | } |
dvddnr | 0:538ac55fc6fb | 190 | token = &tokens[parser->toknext - 1]; |
dvddnr | 0:538ac55fc6fb | 191 | for (;;) { |
dvddnr | 0:538ac55fc6fb | 192 | if (token->start != -1 && token->end == -1) { |
dvddnr | 0:538ac55fc6fb | 193 | if (token->type != type) { |
dvddnr | 0:538ac55fc6fb | 194 | return JSMN_ERROR_INVAL; |
dvddnr | 0:538ac55fc6fb | 195 | } |
dvddnr | 0:538ac55fc6fb | 196 | token->end = parser->pos + 1; |
dvddnr | 0:538ac55fc6fb | 197 | parser->toksuper = token->parent; |
dvddnr | 0:538ac55fc6fb | 198 | break; |
dvddnr | 0:538ac55fc6fb | 199 | } |
dvddnr | 0:538ac55fc6fb | 200 | if (token->parent == -1) { |
dvddnr | 0:538ac55fc6fb | 201 | if(token->type != type || parser->toksuper == -1) { |
dvddnr | 0:538ac55fc6fb | 202 | return JSMN_ERROR_INVAL; |
dvddnr | 0:538ac55fc6fb | 203 | } |
dvddnr | 0:538ac55fc6fb | 204 | break; |
dvddnr | 0:538ac55fc6fb | 205 | } |
dvddnr | 0:538ac55fc6fb | 206 | token = &tokens[token->parent]; |
dvddnr | 0:538ac55fc6fb | 207 | } |
dvddnr | 0:538ac55fc6fb | 208 | #else |
dvddnr | 0:538ac55fc6fb | 209 | for (i = parser->toknext - 1; i >= 0; i--) { |
dvddnr | 0:538ac55fc6fb | 210 | token = &tokens[i]; |
dvddnr | 0:538ac55fc6fb | 211 | if (token->start != -1 && token->end == -1) { |
dvddnr | 0:538ac55fc6fb | 212 | if (token->type != type) { |
dvddnr | 0:538ac55fc6fb | 213 | return JSMN_ERROR_INVAL; |
dvddnr | 0:538ac55fc6fb | 214 | } |
dvddnr | 0:538ac55fc6fb | 215 | parser->toksuper = -1; |
dvddnr | 0:538ac55fc6fb | 216 | token->end = parser->pos + 1; |
dvddnr | 0:538ac55fc6fb | 217 | break; |
dvddnr | 0:538ac55fc6fb | 218 | } |
dvddnr | 0:538ac55fc6fb | 219 | } |
dvddnr | 0:538ac55fc6fb | 220 | /* Error if unmatched closing bracket */ |
dvddnr | 0:538ac55fc6fb | 221 | if (i == -1) return JSMN_ERROR_INVAL; |
dvddnr | 0:538ac55fc6fb | 222 | for (; i >= 0; i--) { |
dvddnr | 0:538ac55fc6fb | 223 | token = &tokens[i]; |
dvddnr | 0:538ac55fc6fb | 224 | if (token->start != -1 && token->end == -1) { |
dvddnr | 0:538ac55fc6fb | 225 | parser->toksuper = i; |
dvddnr | 0:538ac55fc6fb | 226 | break; |
dvddnr | 0:538ac55fc6fb | 227 | } |
dvddnr | 0:538ac55fc6fb | 228 | } |
dvddnr | 0:538ac55fc6fb | 229 | #endif |
dvddnr | 0:538ac55fc6fb | 230 | break; |
dvddnr | 0:538ac55fc6fb | 231 | case '\"': |
dvddnr | 0:538ac55fc6fb | 232 | r = jsmn_parse_string(parser, js, len, tokens, num_tokens); |
dvddnr | 0:538ac55fc6fb | 233 | if (r < 0) return r; |
dvddnr | 0:538ac55fc6fb | 234 | count++; |
dvddnr | 0:538ac55fc6fb | 235 | if (parser->toksuper != -1 && tokens != NULL) |
dvddnr | 0:538ac55fc6fb | 236 | tokens[parser->toksuper].size++; |
dvddnr | 0:538ac55fc6fb | 237 | break; |
dvddnr | 0:538ac55fc6fb | 238 | case '\t' : case '\r' : case '\n' : case ' ': |
dvddnr | 0:538ac55fc6fb | 239 | break; |
dvddnr | 0:538ac55fc6fb | 240 | case ':': |
dvddnr | 0:538ac55fc6fb | 241 | parser->toksuper = parser->toknext - 1; |
dvddnr | 0:538ac55fc6fb | 242 | break; |
dvddnr | 0:538ac55fc6fb | 243 | case ',': |
dvddnr | 0:538ac55fc6fb | 244 | if (tokens != NULL && parser->toksuper != -1 && |
dvddnr | 0:538ac55fc6fb | 245 | tokens[parser->toksuper].type != JSMN_ARRAY && |
dvddnr | 0:538ac55fc6fb | 246 | tokens[parser->toksuper].type != JSMN_OBJECT) { |
dvddnr | 0:538ac55fc6fb | 247 | #ifdef JSMN_PARENT_LINKS |
dvddnr | 0:538ac55fc6fb | 248 | parser->toksuper = tokens[parser->toksuper].parent; |
dvddnr | 0:538ac55fc6fb | 249 | #else |
dvddnr | 0:538ac55fc6fb | 250 | for (i = parser->toknext - 1; i >= 0; i--) { |
dvddnr | 0:538ac55fc6fb | 251 | if (tokens[i].type == JSMN_ARRAY || tokens[i].type == JSMN_OBJECT) { |
dvddnr | 0:538ac55fc6fb | 252 | if (tokens[i].start != -1 && tokens[i].end == -1) { |
dvddnr | 0:538ac55fc6fb | 253 | parser->toksuper = i; |
dvddnr | 0:538ac55fc6fb | 254 | break; |
dvddnr | 0:538ac55fc6fb | 255 | } |
dvddnr | 0:538ac55fc6fb | 256 | } |
dvddnr | 0:538ac55fc6fb | 257 | } |
dvddnr | 0:538ac55fc6fb | 258 | #endif |
dvddnr | 0:538ac55fc6fb | 259 | } |
dvddnr | 0:538ac55fc6fb | 260 | break; |
dvddnr | 0:538ac55fc6fb | 261 | #ifdef JSMN_STRICT |
dvddnr | 0:538ac55fc6fb | 262 | /* In strict mode primitives are: numbers and booleans */ |
dvddnr | 0:538ac55fc6fb | 263 | case '-': case '0': case '1' : case '2': case '3' : case '4': |
dvddnr | 0:538ac55fc6fb | 264 | case '5': case '6': case '7' : case '8': case '9': |
dvddnr | 0:538ac55fc6fb | 265 | case 't': case 'f': case 'n' : |
dvddnr | 0:538ac55fc6fb | 266 | /* And they must not be keys of the object */ |
dvddnr | 0:538ac55fc6fb | 267 | if (tokens != NULL && parser->toksuper != -1) { |
dvddnr | 0:538ac55fc6fb | 268 | jsmntok_t *t = &tokens[parser->toksuper]; |
dvddnr | 0:538ac55fc6fb | 269 | if (t->type == JSMN_OBJECT || |
dvddnr | 0:538ac55fc6fb | 270 | (t->type == JSMN_STRING && t->size != 0)) { |
dvddnr | 0:538ac55fc6fb | 271 | return JSMN_ERROR_INVAL; |
dvddnr | 0:538ac55fc6fb | 272 | } |
dvddnr | 0:538ac55fc6fb | 273 | } |
dvddnr | 0:538ac55fc6fb | 274 | #else |
dvddnr | 0:538ac55fc6fb | 275 | /* In non-strict mode every unquoted value is a primitive */ |
dvddnr | 0:538ac55fc6fb | 276 | default: |
dvddnr | 0:538ac55fc6fb | 277 | #endif |
dvddnr | 0:538ac55fc6fb | 278 | r = jsmn_parse_primitive(parser, js, len, tokens, num_tokens); |
dvddnr | 0:538ac55fc6fb | 279 | if (r < 0) return r; |
dvddnr | 0:538ac55fc6fb | 280 | count++; |
dvddnr | 0:538ac55fc6fb | 281 | if (parser->toksuper != -1 && tokens != NULL) |
dvddnr | 0:538ac55fc6fb | 282 | tokens[parser->toksuper].size++; |
dvddnr | 0:538ac55fc6fb | 283 | break; |
dvddnr | 0:538ac55fc6fb | 284 | |
dvddnr | 0:538ac55fc6fb | 285 | #ifdef JSMN_STRICT |
dvddnr | 0:538ac55fc6fb | 286 | /* Unexpected char in strict mode */ |
dvddnr | 0:538ac55fc6fb | 287 | default: |
dvddnr | 0:538ac55fc6fb | 288 | return JSMN_ERROR_INVAL; |
dvddnr | 0:538ac55fc6fb | 289 | #endif |
dvddnr | 0:538ac55fc6fb | 290 | } |
dvddnr | 0:538ac55fc6fb | 291 | } |
dvddnr | 0:538ac55fc6fb | 292 | |
dvddnr | 0:538ac55fc6fb | 293 | if (tokens != NULL) { |
dvddnr | 0:538ac55fc6fb | 294 | for (i = parser->toknext - 1; i >= 0; i--) { |
dvddnr | 0:538ac55fc6fb | 295 | /* Unmatched opened object or array */ |
dvddnr | 0:538ac55fc6fb | 296 | if (tokens[i].start != -1 && tokens[i].end == -1) { |
dvddnr | 0:538ac55fc6fb | 297 | return JSMN_ERROR_PART; |
dvddnr | 0:538ac55fc6fb | 298 | } |
dvddnr | 0:538ac55fc6fb | 299 | } |
dvddnr | 0:538ac55fc6fb | 300 | } |
dvddnr | 0:538ac55fc6fb | 301 | |
dvddnr | 0:538ac55fc6fb | 302 | return count; |
dvddnr | 0:538ac55fc6fb | 303 | } |
dvddnr | 0:538ac55fc6fb | 304 | |
dvddnr | 0:538ac55fc6fb | 305 | /** |
dvddnr | 0:538ac55fc6fb | 306 | * Creates a new parser based over a given buffer with an array of tokens |
dvddnr | 0:538ac55fc6fb | 307 | * available. |
dvddnr | 0:538ac55fc6fb | 308 | */ |
dvddnr | 0:538ac55fc6fb | 309 | void jsmn_init(jsmn_parser *parser) { |
dvddnr | 0:538ac55fc6fb | 310 | parser->pos = 0; |
dvddnr | 0:538ac55fc6fb | 311 | parser->toknext = 0; |
dvddnr | 0:538ac55fc6fb | 312 | parser->toksuper = -1; |
dvddnr | 0:538ac55fc6fb | 313 | } |
dvddnr | 0:538ac55fc6fb | 314 |