json lib
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jsmn.c@3:fab591fca1e7, 2016-06-02 (annotated)
- Committer:
- mercurywaters
- Date:
- Thu Jun 02 06:08:24 2016 +0000
- Revision:
- 3:fab591fca1e7
- Parent:
- 0:7f4a18b3fd82
- Child:
- 5:dd98cf00ed9b
Added the documentation of JSON class
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mercurywaters | 0:7f4a18b3fd82 | 1 | #include "jsmn.h" |
mercurywaters | 0:7f4a18b3fd82 | 2 | |
mercurywaters | 0:7f4a18b3fd82 | 3 | /** |
mercurywaters | 0:7f4a18b3fd82 | 4 | * Allocates a fresh unused token from the token pull. |
mercurywaters | 0:7f4a18b3fd82 | 5 | */ |
mercurywaters | 3:fab591fca1e7 | 6 | static jsmntok_t *jsmn_alloc_token ( jsmn_parser *parser, jsmntok_t *tokens, size_t num_tokens ) |
mercurywaters | 0:7f4a18b3fd82 | 7 | { |
mercurywaters | 0:7f4a18b3fd82 | 8 | jsmntok_t *tok; |
mercurywaters | 3:fab591fca1e7 | 9 | if ( parser->toknext >= num_tokens ) |
mercurywaters | 3:fab591fca1e7 | 10 | { |
mercurywaters | 3:fab591fca1e7 | 11 | return NULL ; |
mercurywaters | 0:7f4a18b3fd82 | 12 | } |
mercurywaters | 3:fab591fca1e7 | 13 | tok = &tokens [ parser->toknext++ ]; |
mercurywaters | 0:7f4a18b3fd82 | 14 | tok->start = tok->end = -1; |
mercurywaters | 0:7f4a18b3fd82 | 15 | tok->childCount = 0; |
mercurywaters | 0:7f4a18b3fd82 | 16 | tok->parent = -1; |
mercurywaters | 0:7f4a18b3fd82 | 17 | return tok; |
mercurywaters | 0:7f4a18b3fd82 | 18 | } |
mercurywaters | 0:7f4a18b3fd82 | 19 | |
mercurywaters | 0:7f4a18b3fd82 | 20 | /** |
mercurywaters | 0:7f4a18b3fd82 | 21 | * Fills token type and boundaries. |
mercurywaters | 0:7f4a18b3fd82 | 22 | */ |
mercurywaters | 3:fab591fca1e7 | 23 | static void jsmn_fill_token ( jsmntok_t *token, jsmntype_t type, int start, int end ) |
mercurywaters | 0:7f4a18b3fd82 | 24 | { |
mercurywaters | 0:7f4a18b3fd82 | 25 | token->type = type; |
mercurywaters | 0:7f4a18b3fd82 | 26 | token->start = start; |
mercurywaters | 0:7f4a18b3fd82 | 27 | token->end = end; |
mercurywaters | 0:7f4a18b3fd82 | 28 | token->childCount = 0; |
mercurywaters | 0:7f4a18b3fd82 | 29 | } |
mercurywaters | 0:7f4a18b3fd82 | 30 | |
mercurywaters | 0:7f4a18b3fd82 | 31 | /** |
mercurywaters | 0:7f4a18b3fd82 | 32 | * Fills next available token with JSON primitive. |
mercurywaters | 0:7f4a18b3fd82 | 33 | */ |
mercurywaters | 3:fab591fca1e7 | 34 | static int jsmn_parse_primitive ( jsmn_parser *parser, const char *js, size_t len, jsmntok_t *tokens, size_t num_tokens ) |
mercurywaters | 0:7f4a18b3fd82 | 35 | { |
mercurywaters | 0:7f4a18b3fd82 | 36 | jsmntok_t *token; |
mercurywaters | 0:7f4a18b3fd82 | 37 | int start; |
mercurywaters | 3:fab591fca1e7 | 38 | |
mercurywaters | 0:7f4a18b3fd82 | 39 | start = parser->pos; |
mercurywaters | 3:fab591fca1e7 | 40 | |
mercurywaters | 3:fab591fca1e7 | 41 | for ( ; parser->pos < len && js [ parser->pos ] != '\0'; parser->pos++ ) |
mercurywaters | 3:fab591fca1e7 | 42 | { |
mercurywaters | 3:fab591fca1e7 | 43 | switch ( js [ parser->pos ] ) |
mercurywaters | 3:fab591fca1e7 | 44 | { |
mercurywaters | 3:fab591fca1e7 | 45 | case '\t': |
mercurywaters | 3:fab591fca1e7 | 46 | case '\r': |
mercurywaters | 3:fab591fca1e7 | 47 | case '\n': |
mercurywaters | 3:fab591fca1e7 | 48 | case ' ': |
mercurywaters | 3:fab591fca1e7 | 49 | case ',': |
mercurywaters | 3:fab591fca1e7 | 50 | case ']': |
mercurywaters | 3:fab591fca1e7 | 51 | case '}': |
mercurywaters | 0:7f4a18b3fd82 | 52 | goto found; |
mercurywaters | 0:7f4a18b3fd82 | 53 | } |
mercurywaters | 3:fab591fca1e7 | 54 | if ( js [ parser->pos ] < 32 || js [ parser->pos ] >= 127 ) |
mercurywaters | 3:fab591fca1e7 | 55 | { |
mercurywaters | 0:7f4a18b3fd82 | 56 | parser->pos = start; |
mercurywaters | 0:7f4a18b3fd82 | 57 | return JSMN_ERROR_INVAL; |
mercurywaters | 0:7f4a18b3fd82 | 58 | } |
mercurywaters | 0:7f4a18b3fd82 | 59 | } |
mercurywaters | 0:7f4a18b3fd82 | 60 | /* primitive must be followed by a comma/object/array */ |
mercurywaters | 0:7f4a18b3fd82 | 61 | parser->pos = start; |
mercurywaters | 0:7f4a18b3fd82 | 62 | return JSMN_ERROR_PART; |
mercurywaters | 3:fab591fca1e7 | 63 | |
mercurywaters | 3:fab591fca1e7 | 64 | found: if ( tokens == NULL ) |
mercurywaters | 3:fab591fca1e7 | 65 | { |
mercurywaters | 0:7f4a18b3fd82 | 66 | parser->pos--; |
mercurywaters | 0:7f4a18b3fd82 | 67 | return 0; |
mercurywaters | 0:7f4a18b3fd82 | 68 | } |
mercurywaters | 3:fab591fca1e7 | 69 | token = jsmn_alloc_token ( parser, tokens, num_tokens ); |
mercurywaters | 3:fab591fca1e7 | 70 | if ( token == NULL ) |
mercurywaters | 3:fab591fca1e7 | 71 | { |
mercurywaters | 0:7f4a18b3fd82 | 72 | parser->pos = start; |
mercurywaters | 0:7f4a18b3fd82 | 73 | return JSMN_ERROR_NOMEM; |
mercurywaters | 0:7f4a18b3fd82 | 74 | } |
mercurywaters | 3:fab591fca1e7 | 75 | jsmn_fill_token ( token, JSMN_PRIMITIVE, start, parser->pos ); |
mercurywaters | 0:7f4a18b3fd82 | 76 | token->parent = parser->toksuper; |
mercurywaters | 0:7f4a18b3fd82 | 77 | parser->pos--; |
mercurywaters | 0:7f4a18b3fd82 | 78 | return 0; |
mercurywaters | 0:7f4a18b3fd82 | 79 | } |
mercurywaters | 0:7f4a18b3fd82 | 80 | |
mercurywaters | 0:7f4a18b3fd82 | 81 | /** |
mercurywaters | 0:7f4a18b3fd82 | 82 | * Fills next token with JSON string. |
mercurywaters | 0:7f4a18b3fd82 | 83 | */ |
mercurywaters | 3:fab591fca1e7 | 84 | static int jsmn_parse_string ( jsmn_parser *parser, const char *js, size_t len, jsmntok_t *tokens, size_t num_tokens, unsigned char isKey ) |
mercurywaters | 0:7f4a18b3fd82 | 85 | { |
mercurywaters | 0:7f4a18b3fd82 | 86 | jsmntok_t *token; |
mercurywaters | 3:fab591fca1e7 | 87 | |
mercurywaters | 0:7f4a18b3fd82 | 88 | int start = parser->pos; |
mercurywaters | 3:fab591fca1e7 | 89 | |
mercurywaters | 0:7f4a18b3fd82 | 90 | parser->pos++; |
mercurywaters | 3:fab591fca1e7 | 91 | |
mercurywaters | 0:7f4a18b3fd82 | 92 | /* Skip starting quote */ |
mercurywaters | 3:fab591fca1e7 | 93 | for ( ; parser->pos < len && js [ parser->pos ] != '\0'; parser->pos++ ) |
mercurywaters | 3:fab591fca1e7 | 94 | { |
mercurywaters | 3:fab591fca1e7 | 95 | char c = js [ parser->pos ]; |
mercurywaters | 3:fab591fca1e7 | 96 | |
mercurywaters | 0:7f4a18b3fd82 | 97 | /* Quote: end of string */ |
mercurywaters | 3:fab591fca1e7 | 98 | if ( c == '\"' ) |
mercurywaters | 3:fab591fca1e7 | 99 | { |
mercurywaters | 3:fab591fca1e7 | 100 | if ( tokens == NULL ) |
mercurywaters | 3:fab591fca1e7 | 101 | { |
mercurywaters | 0:7f4a18b3fd82 | 102 | return 0; |
mercurywaters | 0:7f4a18b3fd82 | 103 | } |
mercurywaters | 3:fab591fca1e7 | 104 | token = jsmn_alloc_token ( parser, tokens, num_tokens ); |
mercurywaters | 3:fab591fca1e7 | 105 | if ( token == NULL ) |
mercurywaters | 3:fab591fca1e7 | 106 | { |
mercurywaters | 0:7f4a18b3fd82 | 107 | parser->pos = start; |
mercurywaters | 0:7f4a18b3fd82 | 108 | return JSMN_ERROR_NOMEM; |
mercurywaters | 0:7f4a18b3fd82 | 109 | } |
mercurywaters | 3:fab591fca1e7 | 110 | if ( isKey == 1 ) |
mercurywaters | 3:fab591fca1e7 | 111 | { |
mercurywaters | 3:fab591fca1e7 | 112 | jsmn_fill_token ( token, JSMN_KEY, start + 1, parser->pos ); |
mercurywaters | 0:7f4a18b3fd82 | 113 | } |
mercurywaters | 3:fab591fca1e7 | 114 | else |
mercurywaters | 3:fab591fca1e7 | 115 | { |
mercurywaters | 3:fab591fca1e7 | 116 | jsmn_fill_token ( token, JSMN_STRING, start + 1, parser->pos ); |
mercurywaters | 0:7f4a18b3fd82 | 117 | } |
mercurywaters | 0:7f4a18b3fd82 | 118 | token->parent = parser->toksuper; |
mercurywaters | 0:7f4a18b3fd82 | 119 | return 0; |
mercurywaters | 0:7f4a18b3fd82 | 120 | } |
mercurywaters | 3:fab591fca1e7 | 121 | |
mercurywaters | 0:7f4a18b3fd82 | 122 | /* Backslash: Quoted symbol expected */ |
mercurywaters | 3:fab591fca1e7 | 123 | if ( c == '\\' && parser->pos + 1 < len ) |
mercurywaters | 3:fab591fca1e7 | 124 | { |
mercurywaters | 0:7f4a18b3fd82 | 125 | int i; |
mercurywaters | 0:7f4a18b3fd82 | 126 | parser->pos++; |
mercurywaters | 3:fab591fca1e7 | 127 | switch ( js [ parser->pos ] ) |
mercurywaters | 3:fab591fca1e7 | 128 | { |
mercurywaters | 3:fab591fca1e7 | 129 | /* Allowed escaped symbols */ |
mercurywaters | 0:7f4a18b3fd82 | 130 | case '\"': |
mercurywaters | 3:fab591fca1e7 | 131 | case '/': |
mercurywaters | 3:fab591fca1e7 | 132 | case '\\': |
mercurywaters | 3:fab591fca1e7 | 133 | case 'b': |
mercurywaters | 3:fab591fca1e7 | 134 | case 'f': |
mercurywaters | 3:fab591fca1e7 | 135 | case 'r': |
mercurywaters | 3:fab591fca1e7 | 136 | case 'n': |
mercurywaters | 3:fab591fca1e7 | 137 | case 't': |
mercurywaters | 0:7f4a18b3fd82 | 138 | break; |
mercurywaters | 0:7f4a18b3fd82 | 139 | /* Allows escaped symbol \uXXXX */ |
mercurywaters | 0:7f4a18b3fd82 | 140 | case 'u': |
mercurywaters | 0:7f4a18b3fd82 | 141 | parser->pos++; |
mercurywaters | 3:fab591fca1e7 | 142 | for ( i = 0; i < 4 && parser->pos < len && js [ parser->pos ] != '\0'; i++ ) |
mercurywaters | 3:fab591fca1e7 | 143 | { |
mercurywaters | 0:7f4a18b3fd82 | 144 | /* If it isn't a hex character we have an error */ |
mercurywaters | 3:fab591fca1e7 | 145 | if ( ! ( ( js [ parser->pos ] >= 48 && js [ parser->pos ] <= 57 ) || /* 0-9 */ |
mercurywaters | 3:fab591fca1e7 | 146 | ( js [ parser->pos ] >= 65 && js [ parser->pos ] <= 70 ) |
mercurywaters | 3:fab591fca1e7 | 147 | || /* A-F */ |
mercurywaters | 3:fab591fca1e7 | 148 | ( js [ parser->pos ] >= 97 && js [ parser->pos ] <= 102 ) ) ) |
mercurywaters | 3:fab591fca1e7 | 149 | { /* a-f */ |
mercurywaters | 0:7f4a18b3fd82 | 150 | parser->pos = start; |
mercurywaters | 0:7f4a18b3fd82 | 151 | return JSMN_ERROR_INVAL; |
mercurywaters | 0:7f4a18b3fd82 | 152 | } |
mercurywaters | 0:7f4a18b3fd82 | 153 | parser->pos++; |
mercurywaters | 0:7f4a18b3fd82 | 154 | } |
mercurywaters | 0:7f4a18b3fd82 | 155 | parser->pos--; |
mercurywaters | 0:7f4a18b3fd82 | 156 | break; |
mercurywaters | 0:7f4a18b3fd82 | 157 | /* Unexpected symbol */ |
mercurywaters | 0:7f4a18b3fd82 | 158 | default: |
mercurywaters | 0:7f4a18b3fd82 | 159 | parser->pos = start; |
mercurywaters | 0:7f4a18b3fd82 | 160 | return JSMN_ERROR_INVAL; |
mercurywaters | 0:7f4a18b3fd82 | 161 | } |
mercurywaters | 0:7f4a18b3fd82 | 162 | } |
mercurywaters | 0:7f4a18b3fd82 | 163 | } |
mercurywaters | 0:7f4a18b3fd82 | 164 | parser->pos = start; |
mercurywaters | 0:7f4a18b3fd82 | 165 | return JSMN_ERROR_PART; |
mercurywaters | 0:7f4a18b3fd82 | 166 | } |
mercurywaters | 0:7f4a18b3fd82 | 167 | |
mercurywaters | 0:7f4a18b3fd82 | 168 | /** |
mercurywaters | 0:7f4a18b3fd82 | 169 | * Parse JSON string and fill tokens. |
mercurywaters | 0:7f4a18b3fd82 | 170 | */ |
mercurywaters | 3:fab591fca1e7 | 171 | int jsmn_parse ( jsmn_parser *parser, const char *js, size_t len, jsmntok_t *tokens, unsigned int num_tokens ) |
mercurywaters | 0:7f4a18b3fd82 | 172 | { |
mercurywaters | 0:7f4a18b3fd82 | 173 | int r; |
mercurywaters | 0:7f4a18b3fd82 | 174 | int i; |
mercurywaters | 0:7f4a18b3fd82 | 175 | jsmntok_t *token; |
mercurywaters | 0:7f4a18b3fd82 | 176 | int count = parser->toknext; |
mercurywaters | 3:fab591fca1e7 | 177 | |
mercurywaters | 0:7f4a18b3fd82 | 178 | unsigned char isKey = 1; |
mercurywaters | 3:fab591fca1e7 | 179 | |
mercurywaters | 3:fab591fca1e7 | 180 | for ( ; parser->pos < len && js [ parser->pos ] != '\0'; parser->pos++ ) |
mercurywaters | 3:fab591fca1e7 | 181 | { |
mercurywaters | 0:7f4a18b3fd82 | 182 | char c; |
mercurywaters | 0:7f4a18b3fd82 | 183 | jsmntype_t type; |
mercurywaters | 3:fab591fca1e7 | 184 | |
mercurywaters | 3:fab591fca1e7 | 185 | c = js [ parser->pos ]; |
mercurywaters | 3:fab591fca1e7 | 186 | switch ( c ) |
mercurywaters | 3:fab591fca1e7 | 187 | { |
mercurywaters | 0:7f4a18b3fd82 | 188 | case '{': |
mercurywaters | 0:7f4a18b3fd82 | 189 | case '[': |
mercurywaters | 0:7f4a18b3fd82 | 190 | count++; |
mercurywaters | 3:fab591fca1e7 | 191 | if ( tokens == NULL ) |
mercurywaters | 3:fab591fca1e7 | 192 | { |
mercurywaters | 0:7f4a18b3fd82 | 193 | break; |
mercurywaters | 0:7f4a18b3fd82 | 194 | } |
mercurywaters | 3:fab591fca1e7 | 195 | token = jsmn_alloc_token ( parser, tokens, num_tokens ); |
mercurywaters | 3:fab591fca1e7 | 196 | if ( token == NULL ) |
mercurywaters | 0:7f4a18b3fd82 | 197 | return JSMN_ERROR_NOMEM; |
mercurywaters | 3:fab591fca1e7 | 198 | if ( parser->toksuper != -1 ) |
mercurywaters | 3:fab591fca1e7 | 199 | { |
mercurywaters | 3:fab591fca1e7 | 200 | tokens [ parser->toksuper ].childCount++; |
mercurywaters | 0:7f4a18b3fd82 | 201 | token->parent = parser->toksuper; |
mercurywaters | 0:7f4a18b3fd82 | 202 | } |
mercurywaters | 3:fab591fca1e7 | 203 | token->type = ( c == '{' ? JSMN_OBJECT : JSMN_ARRAY ); |
mercurywaters | 0:7f4a18b3fd82 | 204 | token->start = parser->pos; |
mercurywaters | 0:7f4a18b3fd82 | 205 | parser->toksuper = parser->toknext - 1; |
mercurywaters | 3:fab591fca1e7 | 206 | if ( token->type == JSMN_OBJECT ) |
mercurywaters | 3:fab591fca1e7 | 207 | { |
mercurywaters | 0:7f4a18b3fd82 | 208 | isKey = 1; |
mercurywaters | 0:7f4a18b3fd82 | 209 | } |
mercurywaters | 0:7f4a18b3fd82 | 210 | break; |
mercurywaters | 0:7f4a18b3fd82 | 211 | case '}': |
mercurywaters | 0:7f4a18b3fd82 | 212 | case ']': |
mercurywaters | 3:fab591fca1e7 | 213 | if ( tokens == NULL ) |
mercurywaters | 0:7f4a18b3fd82 | 214 | break; |
mercurywaters | 3:fab591fca1e7 | 215 | type = ( c == '}' ? JSMN_OBJECT : JSMN_ARRAY ); |
mercurywaters | 3:fab591fca1e7 | 216 | if ( parser->toknext < 1 ) |
mercurywaters | 3:fab591fca1e7 | 217 | { |
mercurywaters | 0:7f4a18b3fd82 | 218 | return JSMN_ERROR_INVAL; |
mercurywaters | 0:7f4a18b3fd82 | 219 | } |
mercurywaters | 3:fab591fca1e7 | 220 | token = &tokens [ parser->toknext - 1 ]; |
mercurywaters | 3:fab591fca1e7 | 221 | for ( ;; ) |
mercurywaters | 3:fab591fca1e7 | 222 | { |
mercurywaters | 3:fab591fca1e7 | 223 | if ( token->start != -1 && token->end == -1 ) |
mercurywaters | 3:fab591fca1e7 | 224 | { |
mercurywaters | 3:fab591fca1e7 | 225 | if ( token->type != type ) |
mercurywaters | 3:fab591fca1e7 | 226 | { |
mercurywaters | 0:7f4a18b3fd82 | 227 | return JSMN_ERROR_INVAL; |
mercurywaters | 0:7f4a18b3fd82 | 228 | } |
mercurywaters | 0:7f4a18b3fd82 | 229 | token->end = parser->pos + 1; |
mercurywaters | 0:7f4a18b3fd82 | 230 | parser->toksuper = token->parent; |
mercurywaters | 0:7f4a18b3fd82 | 231 | break; |
mercurywaters | 0:7f4a18b3fd82 | 232 | } |
mercurywaters | 3:fab591fca1e7 | 233 | if ( token->parent == -1 ) |
mercurywaters | 3:fab591fca1e7 | 234 | { |
mercurywaters | 0:7f4a18b3fd82 | 235 | break; |
mercurywaters | 0:7f4a18b3fd82 | 236 | } |
mercurywaters | 3:fab591fca1e7 | 237 | token = &tokens [ token->parent ]; |
mercurywaters | 0:7f4a18b3fd82 | 238 | } |
mercurywaters | 0:7f4a18b3fd82 | 239 | break; |
mercurywaters | 0:7f4a18b3fd82 | 240 | case '\"': |
mercurywaters | 3:fab591fca1e7 | 241 | r = jsmn_parse_string ( parser, js, len, tokens, num_tokens, isKey ); |
mercurywaters | 3:fab591fca1e7 | 242 | if ( r < 0 ) |
mercurywaters | 3:fab591fca1e7 | 243 | return r; |
mercurywaters | 0:7f4a18b3fd82 | 244 | count++; |
mercurywaters | 3:fab591fca1e7 | 245 | if ( parser->toksuper != -1 && tokens != NULL ) |
mercurywaters | 3:fab591fca1e7 | 246 | tokens [ parser->toksuper ].childCount++; |
mercurywaters | 0:7f4a18b3fd82 | 247 | break; |
mercurywaters | 3:fab591fca1e7 | 248 | case '\t': |
mercurywaters | 3:fab591fca1e7 | 249 | case '\r': |
mercurywaters | 3:fab591fca1e7 | 250 | case '\n': |
mercurywaters | 0:7f4a18b3fd82 | 251 | case ' ': |
mercurywaters | 0:7f4a18b3fd82 | 252 | break; |
mercurywaters | 0:7f4a18b3fd82 | 253 | case ':': |
mercurywaters | 0:7f4a18b3fd82 | 254 | isKey = 0; |
mercurywaters | 0:7f4a18b3fd82 | 255 | parser->toksuper = parser->toknext - 1; |
mercurywaters | 0:7f4a18b3fd82 | 256 | break; |
mercurywaters | 0:7f4a18b3fd82 | 257 | case ',': |
mercurywaters | 3:fab591fca1e7 | 258 | if ( tokens != NULL && parser->toksuper != -1 && tokens [ parser->toksuper ].type != JSMN_ARRAY && tokens [ parser->toksuper ].type != JSMN_OBJECT ) |
mercurywaters | 3:fab591fca1e7 | 259 | { |
mercurywaters | 3:fab591fca1e7 | 260 | parser->toksuper = tokens [ parser->toksuper ].parent; |
mercurywaters | 0:7f4a18b3fd82 | 261 | } |
mercurywaters | 0:7f4a18b3fd82 | 262 | isKey = 1; |
mercurywaters | 0:7f4a18b3fd82 | 263 | break; |
mercurywaters | 0:7f4a18b3fd82 | 264 | /* In strict mode primitives are: numbers and booleans */ |
mercurywaters | 0:7f4a18b3fd82 | 265 | case '-': |
mercurywaters | 0:7f4a18b3fd82 | 266 | case '0': |
mercurywaters | 3:fab591fca1e7 | 267 | case '1': |
mercurywaters | 0:7f4a18b3fd82 | 268 | case '2': |
mercurywaters | 3:fab591fca1e7 | 269 | case '3': |
mercurywaters | 0:7f4a18b3fd82 | 270 | case '4': |
mercurywaters | 0:7f4a18b3fd82 | 271 | case '5': |
mercurywaters | 0:7f4a18b3fd82 | 272 | case '6': |
mercurywaters | 3:fab591fca1e7 | 273 | case '7': |
mercurywaters | 0:7f4a18b3fd82 | 274 | case '8': |
mercurywaters | 0:7f4a18b3fd82 | 275 | case '9': |
mercurywaters | 0:7f4a18b3fd82 | 276 | case 't': |
mercurywaters | 0:7f4a18b3fd82 | 277 | case 'f': |
mercurywaters | 3:fab591fca1e7 | 278 | case 'n': |
mercurywaters | 0:7f4a18b3fd82 | 279 | /* And they must not be keys of the object */ |
mercurywaters | 3:fab591fca1e7 | 280 | if ( tokens != NULL && parser->toksuper != -1 ) |
mercurywaters | 3:fab591fca1e7 | 281 | { |
mercurywaters | 3:fab591fca1e7 | 282 | jsmntok_t *t = &tokens [ parser->toksuper ]; |
mercurywaters | 3:fab591fca1e7 | 283 | if ( t->type == JSMN_OBJECT || ( t->type == JSMN_STRING && t->childCount != 0 ) ) |
mercurywaters | 3:fab591fca1e7 | 284 | { |
mercurywaters | 0:7f4a18b3fd82 | 285 | return JSMN_ERROR_INVAL; |
mercurywaters | 0:7f4a18b3fd82 | 286 | } |
mercurywaters | 0:7f4a18b3fd82 | 287 | } |
mercurywaters | 3:fab591fca1e7 | 288 | r = jsmn_parse_primitive ( parser, js, len, tokens, num_tokens ); |
mercurywaters | 3:fab591fca1e7 | 289 | if ( r < 0 ) |
mercurywaters | 3:fab591fca1e7 | 290 | return r; |
mercurywaters | 0:7f4a18b3fd82 | 291 | count++; |
mercurywaters | 3:fab591fca1e7 | 292 | if ( parser->toksuper != -1 && tokens != NULL ) |
mercurywaters | 3:fab591fca1e7 | 293 | tokens [ parser->toksuper ].childCount++; |
mercurywaters | 0:7f4a18b3fd82 | 294 | break; |
mercurywaters | 3:fab591fca1e7 | 295 | |
mercurywaters | 0:7f4a18b3fd82 | 296 | /* Unexpected char in strict mode */ |
mercurywaters | 0:7f4a18b3fd82 | 297 | default: |
mercurywaters | 0:7f4a18b3fd82 | 298 | return JSMN_ERROR_INVAL; |
mercurywaters | 0:7f4a18b3fd82 | 299 | } |
mercurywaters | 0:7f4a18b3fd82 | 300 | } |
mercurywaters | 3:fab591fca1e7 | 301 | |
mercurywaters | 3:fab591fca1e7 | 302 | if ( tokens != NULL ) |
mercurywaters | 3:fab591fca1e7 | 303 | { |
mercurywaters | 3:fab591fca1e7 | 304 | for ( i = parser->toknext - 1; i >= 0; i-- ) |
mercurywaters | 3:fab591fca1e7 | 305 | { |
mercurywaters | 0:7f4a18b3fd82 | 306 | /* Unmatched opened object or array */ |
mercurywaters | 3:fab591fca1e7 | 307 | if ( tokens [ i ].start != -1 && tokens [ i ].end == -1 ) |
mercurywaters | 3:fab591fca1e7 | 308 | { |
mercurywaters | 0:7f4a18b3fd82 | 309 | return JSMN_ERROR_PART; |
mercurywaters | 0:7f4a18b3fd82 | 310 | } |
mercurywaters | 0:7f4a18b3fd82 | 311 | } |
mercurywaters | 0:7f4a18b3fd82 | 312 | } |
mercurywaters | 3:fab591fca1e7 | 313 | |
mercurywaters | 0:7f4a18b3fd82 | 314 | return count; |
mercurywaters | 0:7f4a18b3fd82 | 315 | } |
mercurywaters | 0:7f4a18b3fd82 | 316 | |
mercurywaters | 0:7f4a18b3fd82 | 317 | /** |
mercurywaters | 0:7f4a18b3fd82 | 318 | * Creates a new parser based over a given buffer with an array of tokens |
mercurywaters | 0:7f4a18b3fd82 | 319 | * available. |
mercurywaters | 0:7f4a18b3fd82 | 320 | */ |
mercurywaters | 3:fab591fca1e7 | 321 | void jsmn_init ( jsmn_parser *parser ) |
mercurywaters | 0:7f4a18b3fd82 | 322 | { |
mercurywaters | 0:7f4a18b3fd82 | 323 | parser->pos = 0; |
mercurywaters | 0:7f4a18b3fd82 | 324 | parser->toknext = 0; |
mercurywaters | 0:7f4a18b3fd82 | 325 | parser->toksuper = -1; |
mercurywaters | 0:7f4a18b3fd82 | 326 | } |
mercurywaters | 3:fab591fca1e7 | 327 |