json lib
Dependents: grove_stream_jpa_sd2 grove_stream_jpa_sd2 grove_stream_jpa_sd2-2 grove_stream_jpa_sd2-3 ... more
jsmn.c@5:dd98cf00ed9b, 2016-08-15 (annotated)
- Committer:
- faheem_chaudhary
- Date:
- Mon Aug 15 22:50:26 2016 +0000
- Revision:
- 5:dd98cf00ed9b
- Parent:
- 3:fab591fca1e7
- Child:
- 8:43e1e35bb7ec
Added the documentation, and re-factored type-conversion functions. Added validity check in functions.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
faheem_chaudhary | 5:dd98cf00ed9b | 1 | /* Author: Faheem Inayat |
faheem_chaudhary | 5:dd98cf00ed9b | 2 | * Created by "Night Crue" Team @ TechShop San Jose, CA |
faheem_chaudhary | 5:dd98cf00ed9b | 3 | * |
faheem_chaudhary | 5:dd98cf00ed9b | 4 | * --- DISCLAIMER --- |
faheem_chaudhary | 5:dd98cf00ed9b | 5 | * This code is a modified version of original JSMN lirary, written by |
faheem_chaudhary | 5:dd98cf00ed9b | 6 | * *** Serge A. Zaitsev *** |
faheem_chaudhary | 5:dd98cf00ed9b | 7 | * and hosted at https://github.com/zserge/jsmn |
faheem_chaudhary | 5:dd98cf00ed9b | 8 | * Any modification to the original source is not guaranteed to be included |
faheem_chaudhary | 5:dd98cf00ed9b | 9 | * in this version. As of writing of this file, the original source is |
faheem_chaudhary | 5:dd98cf00ed9b | 10 | * licensed under MIT License |
faheem_chaudhary | 5:dd98cf00ed9b | 11 | * (http://www.opensource.org/licenses/mit-license.php). |
faheem_chaudhary | 5:dd98cf00ed9b | 12 | */ |
faheem_chaudhary | 5:dd98cf00ed9b | 13 | |
mercurywaters | 0:7f4a18b3fd82 | 14 | #include "jsmn.h" |
mercurywaters | 0:7f4a18b3fd82 | 15 | |
mercurywaters | 0:7f4a18b3fd82 | 16 | /** |
mercurywaters | 0:7f4a18b3fd82 | 17 | * Allocates a fresh unused token from the token pull. |
mercurywaters | 0:7f4a18b3fd82 | 18 | */ |
mercurywaters | 3:fab591fca1e7 | 19 | static jsmntok_t *jsmn_alloc_token ( jsmn_parser *parser, jsmntok_t *tokens, size_t num_tokens ) |
mercurywaters | 0:7f4a18b3fd82 | 20 | { |
mercurywaters | 0:7f4a18b3fd82 | 21 | jsmntok_t *tok; |
mercurywaters | 3:fab591fca1e7 | 22 | if ( parser->toknext >= num_tokens ) |
mercurywaters | 3:fab591fca1e7 | 23 | { |
mercurywaters | 3:fab591fca1e7 | 24 | return NULL ; |
mercurywaters | 0:7f4a18b3fd82 | 25 | } |
mercurywaters | 3:fab591fca1e7 | 26 | tok = &tokens [ parser->toknext++ ]; |
mercurywaters | 0:7f4a18b3fd82 | 27 | tok->start = tok->end = -1; |
mercurywaters | 0:7f4a18b3fd82 | 28 | tok->childCount = 0; |
mercurywaters | 0:7f4a18b3fd82 | 29 | tok->parent = -1; |
mercurywaters | 0:7f4a18b3fd82 | 30 | return tok; |
mercurywaters | 0:7f4a18b3fd82 | 31 | } |
mercurywaters | 0:7f4a18b3fd82 | 32 | |
mercurywaters | 0:7f4a18b3fd82 | 33 | /** |
mercurywaters | 0:7f4a18b3fd82 | 34 | * Fills token type and boundaries. |
mercurywaters | 0:7f4a18b3fd82 | 35 | */ |
mercurywaters | 3:fab591fca1e7 | 36 | static void jsmn_fill_token ( jsmntok_t *token, jsmntype_t type, int start, int end ) |
mercurywaters | 0:7f4a18b3fd82 | 37 | { |
mercurywaters | 0:7f4a18b3fd82 | 38 | token->type = type; |
mercurywaters | 0:7f4a18b3fd82 | 39 | token->start = start; |
mercurywaters | 0:7f4a18b3fd82 | 40 | token->end = end; |
mercurywaters | 0:7f4a18b3fd82 | 41 | token->childCount = 0; |
mercurywaters | 0:7f4a18b3fd82 | 42 | } |
mercurywaters | 0:7f4a18b3fd82 | 43 | |
mercurywaters | 0:7f4a18b3fd82 | 44 | /** |
mercurywaters | 0:7f4a18b3fd82 | 45 | * Fills next available token with JSON primitive. |
mercurywaters | 0:7f4a18b3fd82 | 46 | */ |
mercurywaters | 3:fab591fca1e7 | 47 | static int jsmn_parse_primitive ( jsmn_parser *parser, const char *js, size_t len, jsmntok_t *tokens, size_t num_tokens ) |
mercurywaters | 0:7f4a18b3fd82 | 48 | { |
mercurywaters | 0:7f4a18b3fd82 | 49 | jsmntok_t *token; |
mercurywaters | 0:7f4a18b3fd82 | 50 | int start; |
mercurywaters | 3:fab591fca1e7 | 51 | |
mercurywaters | 0:7f4a18b3fd82 | 52 | start = parser->pos; |
mercurywaters | 3:fab591fca1e7 | 53 | |
mercurywaters | 3:fab591fca1e7 | 54 | for ( ; parser->pos < len && js [ parser->pos ] != '\0'; parser->pos++ ) |
mercurywaters | 3:fab591fca1e7 | 55 | { |
mercurywaters | 3:fab591fca1e7 | 56 | switch ( js [ parser->pos ] ) |
mercurywaters | 3:fab591fca1e7 | 57 | { |
mercurywaters | 3:fab591fca1e7 | 58 | case '\t': |
mercurywaters | 3:fab591fca1e7 | 59 | case '\r': |
mercurywaters | 3:fab591fca1e7 | 60 | case '\n': |
mercurywaters | 3:fab591fca1e7 | 61 | case ' ': |
mercurywaters | 3:fab591fca1e7 | 62 | case ',': |
mercurywaters | 3:fab591fca1e7 | 63 | case ']': |
mercurywaters | 3:fab591fca1e7 | 64 | case '}': |
mercurywaters | 0:7f4a18b3fd82 | 65 | goto found; |
mercurywaters | 0:7f4a18b3fd82 | 66 | } |
mercurywaters | 3:fab591fca1e7 | 67 | if ( js [ parser->pos ] < 32 || js [ parser->pos ] >= 127 ) |
mercurywaters | 3:fab591fca1e7 | 68 | { |
mercurywaters | 0:7f4a18b3fd82 | 69 | parser->pos = start; |
mercurywaters | 0:7f4a18b3fd82 | 70 | return JSMN_ERROR_INVAL; |
mercurywaters | 0:7f4a18b3fd82 | 71 | } |
mercurywaters | 0:7f4a18b3fd82 | 72 | } |
mercurywaters | 0:7f4a18b3fd82 | 73 | /* primitive must be followed by a comma/object/array */ |
mercurywaters | 0:7f4a18b3fd82 | 74 | parser->pos = start; |
mercurywaters | 0:7f4a18b3fd82 | 75 | return JSMN_ERROR_PART; |
mercurywaters | 3:fab591fca1e7 | 76 | |
mercurywaters | 3:fab591fca1e7 | 77 | found: if ( tokens == NULL ) |
mercurywaters | 3:fab591fca1e7 | 78 | { |
mercurywaters | 0:7f4a18b3fd82 | 79 | parser->pos--; |
mercurywaters | 0:7f4a18b3fd82 | 80 | return 0; |
mercurywaters | 0:7f4a18b3fd82 | 81 | } |
mercurywaters | 3:fab591fca1e7 | 82 | token = jsmn_alloc_token ( parser, tokens, num_tokens ); |
mercurywaters | 3:fab591fca1e7 | 83 | if ( token == NULL ) |
mercurywaters | 3:fab591fca1e7 | 84 | { |
mercurywaters | 0:7f4a18b3fd82 | 85 | parser->pos = start; |
mercurywaters | 0:7f4a18b3fd82 | 86 | return JSMN_ERROR_NOMEM; |
mercurywaters | 0:7f4a18b3fd82 | 87 | } |
mercurywaters | 3:fab591fca1e7 | 88 | jsmn_fill_token ( token, JSMN_PRIMITIVE, start, parser->pos ); |
mercurywaters | 0:7f4a18b3fd82 | 89 | token->parent = parser->toksuper; |
mercurywaters | 0:7f4a18b3fd82 | 90 | parser->pos--; |
mercurywaters | 0:7f4a18b3fd82 | 91 | return 0; |
mercurywaters | 0:7f4a18b3fd82 | 92 | } |
mercurywaters | 0:7f4a18b3fd82 | 93 | |
mercurywaters | 0:7f4a18b3fd82 | 94 | /** |
mercurywaters | 0:7f4a18b3fd82 | 95 | * Fills next token with JSON string. |
mercurywaters | 0:7f4a18b3fd82 | 96 | */ |
mercurywaters | 3:fab591fca1e7 | 97 | 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 | 98 | { |
mercurywaters | 0:7f4a18b3fd82 | 99 | jsmntok_t *token; |
mercurywaters | 3:fab591fca1e7 | 100 | |
mercurywaters | 0:7f4a18b3fd82 | 101 | int start = parser->pos; |
mercurywaters | 3:fab591fca1e7 | 102 | |
mercurywaters | 0:7f4a18b3fd82 | 103 | parser->pos++; |
mercurywaters | 3:fab591fca1e7 | 104 | |
mercurywaters | 0:7f4a18b3fd82 | 105 | /* Skip starting quote */ |
mercurywaters | 3:fab591fca1e7 | 106 | for ( ; parser->pos < len && js [ parser->pos ] != '\0'; parser->pos++ ) |
mercurywaters | 3:fab591fca1e7 | 107 | { |
mercurywaters | 3:fab591fca1e7 | 108 | char c = js [ parser->pos ]; |
mercurywaters | 3:fab591fca1e7 | 109 | |
mercurywaters | 0:7f4a18b3fd82 | 110 | /* Quote: end of string */ |
mercurywaters | 3:fab591fca1e7 | 111 | if ( c == '\"' ) |
mercurywaters | 3:fab591fca1e7 | 112 | { |
mercurywaters | 3:fab591fca1e7 | 113 | if ( tokens == NULL ) |
mercurywaters | 3:fab591fca1e7 | 114 | { |
mercurywaters | 0:7f4a18b3fd82 | 115 | return 0; |
mercurywaters | 0:7f4a18b3fd82 | 116 | } |
mercurywaters | 3:fab591fca1e7 | 117 | token = jsmn_alloc_token ( parser, tokens, num_tokens ); |
mercurywaters | 3:fab591fca1e7 | 118 | if ( token == NULL ) |
mercurywaters | 3:fab591fca1e7 | 119 | { |
mercurywaters | 0:7f4a18b3fd82 | 120 | parser->pos = start; |
mercurywaters | 0:7f4a18b3fd82 | 121 | return JSMN_ERROR_NOMEM; |
mercurywaters | 0:7f4a18b3fd82 | 122 | } |
mercurywaters | 3:fab591fca1e7 | 123 | if ( isKey == 1 ) |
mercurywaters | 3:fab591fca1e7 | 124 | { |
mercurywaters | 3:fab591fca1e7 | 125 | jsmn_fill_token ( token, JSMN_KEY, start + 1, parser->pos ); |
mercurywaters | 0:7f4a18b3fd82 | 126 | } |
mercurywaters | 3:fab591fca1e7 | 127 | else |
mercurywaters | 3:fab591fca1e7 | 128 | { |
mercurywaters | 3:fab591fca1e7 | 129 | jsmn_fill_token ( token, JSMN_STRING, start + 1, parser->pos ); |
mercurywaters | 0:7f4a18b3fd82 | 130 | } |
mercurywaters | 0:7f4a18b3fd82 | 131 | token->parent = parser->toksuper; |
mercurywaters | 0:7f4a18b3fd82 | 132 | return 0; |
mercurywaters | 0:7f4a18b3fd82 | 133 | } |
mercurywaters | 3:fab591fca1e7 | 134 | |
mercurywaters | 0:7f4a18b3fd82 | 135 | /* Backslash: Quoted symbol expected */ |
mercurywaters | 3:fab591fca1e7 | 136 | if ( c == '\\' && parser->pos + 1 < len ) |
mercurywaters | 3:fab591fca1e7 | 137 | { |
mercurywaters | 0:7f4a18b3fd82 | 138 | int i; |
mercurywaters | 0:7f4a18b3fd82 | 139 | parser->pos++; |
mercurywaters | 3:fab591fca1e7 | 140 | switch ( js [ parser->pos ] ) |
mercurywaters | 3:fab591fca1e7 | 141 | { |
mercurywaters | 3:fab591fca1e7 | 142 | /* Allowed escaped symbols */ |
mercurywaters | 0:7f4a18b3fd82 | 143 | case '\"': |
mercurywaters | 3:fab591fca1e7 | 144 | case '/': |
mercurywaters | 3:fab591fca1e7 | 145 | case '\\': |
mercurywaters | 3:fab591fca1e7 | 146 | case 'b': |
mercurywaters | 3:fab591fca1e7 | 147 | case 'f': |
mercurywaters | 3:fab591fca1e7 | 148 | case 'r': |
mercurywaters | 3:fab591fca1e7 | 149 | case 'n': |
mercurywaters | 3:fab591fca1e7 | 150 | case 't': |
mercurywaters | 0:7f4a18b3fd82 | 151 | break; |
mercurywaters | 0:7f4a18b3fd82 | 152 | /* Allows escaped symbol \uXXXX */ |
mercurywaters | 0:7f4a18b3fd82 | 153 | case 'u': |
mercurywaters | 0:7f4a18b3fd82 | 154 | parser->pos++; |
mercurywaters | 3:fab591fca1e7 | 155 | for ( i = 0; i < 4 && parser->pos < len && js [ parser->pos ] != '\0'; i++ ) |
mercurywaters | 3:fab591fca1e7 | 156 | { |
mercurywaters | 0:7f4a18b3fd82 | 157 | /* If it isn't a hex character we have an error */ |
mercurywaters | 3:fab591fca1e7 | 158 | if ( ! ( ( js [ parser->pos ] >= 48 && js [ parser->pos ] <= 57 ) || /* 0-9 */ |
mercurywaters | 3:fab591fca1e7 | 159 | ( js [ parser->pos ] >= 65 && js [ parser->pos ] <= 70 ) |
mercurywaters | 3:fab591fca1e7 | 160 | || /* A-F */ |
mercurywaters | 3:fab591fca1e7 | 161 | ( js [ parser->pos ] >= 97 && js [ parser->pos ] <= 102 ) ) ) |
mercurywaters | 3:fab591fca1e7 | 162 | { /* a-f */ |
mercurywaters | 0:7f4a18b3fd82 | 163 | parser->pos = start; |
mercurywaters | 0:7f4a18b3fd82 | 164 | return JSMN_ERROR_INVAL; |
mercurywaters | 0:7f4a18b3fd82 | 165 | } |
mercurywaters | 0:7f4a18b3fd82 | 166 | parser->pos++; |
mercurywaters | 0:7f4a18b3fd82 | 167 | } |
mercurywaters | 0:7f4a18b3fd82 | 168 | parser->pos--; |
mercurywaters | 0:7f4a18b3fd82 | 169 | break; |
mercurywaters | 0:7f4a18b3fd82 | 170 | /* Unexpected symbol */ |
mercurywaters | 0:7f4a18b3fd82 | 171 | default: |
mercurywaters | 0:7f4a18b3fd82 | 172 | parser->pos = start; |
mercurywaters | 0:7f4a18b3fd82 | 173 | return JSMN_ERROR_INVAL; |
mercurywaters | 0:7f4a18b3fd82 | 174 | } |
mercurywaters | 0:7f4a18b3fd82 | 175 | } |
mercurywaters | 0:7f4a18b3fd82 | 176 | } |
mercurywaters | 0:7f4a18b3fd82 | 177 | parser->pos = start; |
mercurywaters | 0:7f4a18b3fd82 | 178 | return JSMN_ERROR_PART; |
mercurywaters | 0:7f4a18b3fd82 | 179 | } |
mercurywaters | 0:7f4a18b3fd82 | 180 | |
mercurywaters | 0:7f4a18b3fd82 | 181 | /** |
mercurywaters | 0:7f4a18b3fd82 | 182 | * Parse JSON string and fill tokens. |
mercurywaters | 0:7f4a18b3fd82 | 183 | */ |
mercurywaters | 3:fab591fca1e7 | 184 | int jsmn_parse ( jsmn_parser *parser, const char *js, size_t len, jsmntok_t *tokens, unsigned int num_tokens ) |
mercurywaters | 0:7f4a18b3fd82 | 185 | { |
mercurywaters | 0:7f4a18b3fd82 | 186 | int r; |
mercurywaters | 0:7f4a18b3fd82 | 187 | int i; |
mercurywaters | 0:7f4a18b3fd82 | 188 | jsmntok_t *token; |
mercurywaters | 0:7f4a18b3fd82 | 189 | int count = parser->toknext; |
mercurywaters | 3:fab591fca1e7 | 190 | |
mercurywaters | 0:7f4a18b3fd82 | 191 | unsigned char isKey = 1; |
mercurywaters | 3:fab591fca1e7 | 192 | |
mercurywaters | 3:fab591fca1e7 | 193 | for ( ; parser->pos < len && js [ parser->pos ] != '\0'; parser->pos++ ) |
mercurywaters | 3:fab591fca1e7 | 194 | { |
mercurywaters | 0:7f4a18b3fd82 | 195 | char c; |
mercurywaters | 0:7f4a18b3fd82 | 196 | jsmntype_t type; |
mercurywaters | 3:fab591fca1e7 | 197 | |
mercurywaters | 3:fab591fca1e7 | 198 | c = js [ parser->pos ]; |
mercurywaters | 3:fab591fca1e7 | 199 | switch ( c ) |
mercurywaters | 3:fab591fca1e7 | 200 | { |
mercurywaters | 0:7f4a18b3fd82 | 201 | case '{': |
mercurywaters | 0:7f4a18b3fd82 | 202 | case '[': |
mercurywaters | 0:7f4a18b3fd82 | 203 | count++; |
mercurywaters | 3:fab591fca1e7 | 204 | if ( tokens == NULL ) |
mercurywaters | 3:fab591fca1e7 | 205 | { |
mercurywaters | 0:7f4a18b3fd82 | 206 | break; |
mercurywaters | 0:7f4a18b3fd82 | 207 | } |
mercurywaters | 3:fab591fca1e7 | 208 | token = jsmn_alloc_token ( parser, tokens, num_tokens ); |
mercurywaters | 3:fab591fca1e7 | 209 | if ( token == NULL ) |
mercurywaters | 0:7f4a18b3fd82 | 210 | return JSMN_ERROR_NOMEM; |
mercurywaters | 3:fab591fca1e7 | 211 | if ( parser->toksuper != -1 ) |
mercurywaters | 3:fab591fca1e7 | 212 | { |
mercurywaters | 3:fab591fca1e7 | 213 | tokens [ parser->toksuper ].childCount++; |
mercurywaters | 0:7f4a18b3fd82 | 214 | token->parent = parser->toksuper; |
mercurywaters | 0:7f4a18b3fd82 | 215 | } |
mercurywaters | 3:fab591fca1e7 | 216 | token->type = ( c == '{' ? JSMN_OBJECT : JSMN_ARRAY ); |
mercurywaters | 0:7f4a18b3fd82 | 217 | token->start = parser->pos; |
mercurywaters | 0:7f4a18b3fd82 | 218 | parser->toksuper = parser->toknext - 1; |
mercurywaters | 3:fab591fca1e7 | 219 | if ( token->type == JSMN_OBJECT ) |
mercurywaters | 3:fab591fca1e7 | 220 | { |
mercurywaters | 0:7f4a18b3fd82 | 221 | isKey = 1; |
mercurywaters | 0:7f4a18b3fd82 | 222 | } |
mercurywaters | 0:7f4a18b3fd82 | 223 | break; |
mercurywaters | 0:7f4a18b3fd82 | 224 | case '}': |
mercurywaters | 0:7f4a18b3fd82 | 225 | case ']': |
mercurywaters | 3:fab591fca1e7 | 226 | if ( tokens == NULL ) |
mercurywaters | 0:7f4a18b3fd82 | 227 | break; |
mercurywaters | 3:fab591fca1e7 | 228 | type = ( c == '}' ? JSMN_OBJECT : JSMN_ARRAY ); |
mercurywaters | 3:fab591fca1e7 | 229 | if ( parser->toknext < 1 ) |
mercurywaters | 3:fab591fca1e7 | 230 | { |
mercurywaters | 0:7f4a18b3fd82 | 231 | return JSMN_ERROR_INVAL; |
mercurywaters | 0:7f4a18b3fd82 | 232 | } |
mercurywaters | 3:fab591fca1e7 | 233 | token = &tokens [ parser->toknext - 1 ]; |
mercurywaters | 3:fab591fca1e7 | 234 | for ( ;; ) |
mercurywaters | 3:fab591fca1e7 | 235 | { |
mercurywaters | 3:fab591fca1e7 | 236 | if ( token->start != -1 && token->end == -1 ) |
mercurywaters | 3:fab591fca1e7 | 237 | { |
mercurywaters | 3:fab591fca1e7 | 238 | if ( token->type != type ) |
mercurywaters | 3:fab591fca1e7 | 239 | { |
mercurywaters | 0:7f4a18b3fd82 | 240 | return JSMN_ERROR_INVAL; |
mercurywaters | 0:7f4a18b3fd82 | 241 | } |
mercurywaters | 0:7f4a18b3fd82 | 242 | token->end = parser->pos + 1; |
mercurywaters | 0:7f4a18b3fd82 | 243 | parser->toksuper = token->parent; |
mercurywaters | 0:7f4a18b3fd82 | 244 | break; |
mercurywaters | 0:7f4a18b3fd82 | 245 | } |
mercurywaters | 3:fab591fca1e7 | 246 | if ( token->parent == -1 ) |
mercurywaters | 3:fab591fca1e7 | 247 | { |
mercurywaters | 0:7f4a18b3fd82 | 248 | break; |
mercurywaters | 0:7f4a18b3fd82 | 249 | } |
mercurywaters | 3:fab591fca1e7 | 250 | token = &tokens [ token->parent ]; |
mercurywaters | 0:7f4a18b3fd82 | 251 | } |
mercurywaters | 0:7f4a18b3fd82 | 252 | break; |
mercurywaters | 0:7f4a18b3fd82 | 253 | case '\"': |
mercurywaters | 3:fab591fca1e7 | 254 | r = jsmn_parse_string ( parser, js, len, tokens, num_tokens, isKey ); |
mercurywaters | 3:fab591fca1e7 | 255 | if ( r < 0 ) |
mercurywaters | 3:fab591fca1e7 | 256 | return r; |
mercurywaters | 0:7f4a18b3fd82 | 257 | count++; |
mercurywaters | 3:fab591fca1e7 | 258 | if ( parser->toksuper != -1 && tokens != NULL ) |
mercurywaters | 3:fab591fca1e7 | 259 | tokens [ parser->toksuper ].childCount++; |
mercurywaters | 0:7f4a18b3fd82 | 260 | break; |
mercurywaters | 3:fab591fca1e7 | 261 | case '\t': |
mercurywaters | 3:fab591fca1e7 | 262 | case '\r': |
mercurywaters | 3:fab591fca1e7 | 263 | case '\n': |
mercurywaters | 0:7f4a18b3fd82 | 264 | case ' ': |
mercurywaters | 0:7f4a18b3fd82 | 265 | break; |
mercurywaters | 0:7f4a18b3fd82 | 266 | case ':': |
mercurywaters | 0:7f4a18b3fd82 | 267 | isKey = 0; |
mercurywaters | 0:7f4a18b3fd82 | 268 | parser->toksuper = parser->toknext - 1; |
mercurywaters | 0:7f4a18b3fd82 | 269 | break; |
mercurywaters | 0:7f4a18b3fd82 | 270 | case ',': |
mercurywaters | 3:fab591fca1e7 | 271 | if ( tokens != NULL && parser->toksuper != -1 && tokens [ parser->toksuper ].type != JSMN_ARRAY && tokens [ parser->toksuper ].type != JSMN_OBJECT ) |
mercurywaters | 3:fab591fca1e7 | 272 | { |
mercurywaters | 3:fab591fca1e7 | 273 | parser->toksuper = tokens [ parser->toksuper ].parent; |
mercurywaters | 0:7f4a18b3fd82 | 274 | } |
mercurywaters | 0:7f4a18b3fd82 | 275 | isKey = 1; |
mercurywaters | 0:7f4a18b3fd82 | 276 | break; |
mercurywaters | 0:7f4a18b3fd82 | 277 | /* In strict mode primitives are: numbers and booleans */ |
mercurywaters | 0:7f4a18b3fd82 | 278 | case '-': |
mercurywaters | 0:7f4a18b3fd82 | 279 | case '0': |
mercurywaters | 3:fab591fca1e7 | 280 | case '1': |
mercurywaters | 0:7f4a18b3fd82 | 281 | case '2': |
mercurywaters | 3:fab591fca1e7 | 282 | case '3': |
mercurywaters | 0:7f4a18b3fd82 | 283 | case '4': |
mercurywaters | 0:7f4a18b3fd82 | 284 | case '5': |
mercurywaters | 0:7f4a18b3fd82 | 285 | case '6': |
mercurywaters | 3:fab591fca1e7 | 286 | case '7': |
mercurywaters | 0:7f4a18b3fd82 | 287 | case '8': |
mercurywaters | 0:7f4a18b3fd82 | 288 | case '9': |
mercurywaters | 0:7f4a18b3fd82 | 289 | case 't': |
mercurywaters | 0:7f4a18b3fd82 | 290 | case 'f': |
mercurywaters | 3:fab591fca1e7 | 291 | case 'n': |
mercurywaters | 0:7f4a18b3fd82 | 292 | /* And they must not be keys of the object */ |
mercurywaters | 3:fab591fca1e7 | 293 | if ( tokens != NULL && parser->toksuper != -1 ) |
mercurywaters | 3:fab591fca1e7 | 294 | { |
mercurywaters | 3:fab591fca1e7 | 295 | jsmntok_t *t = &tokens [ parser->toksuper ]; |
mercurywaters | 3:fab591fca1e7 | 296 | if ( t->type == JSMN_OBJECT || ( t->type == JSMN_STRING && t->childCount != 0 ) ) |
mercurywaters | 3:fab591fca1e7 | 297 | { |
mercurywaters | 0:7f4a18b3fd82 | 298 | return JSMN_ERROR_INVAL; |
mercurywaters | 0:7f4a18b3fd82 | 299 | } |
mercurywaters | 0:7f4a18b3fd82 | 300 | } |
mercurywaters | 3:fab591fca1e7 | 301 | r = jsmn_parse_primitive ( parser, js, len, tokens, num_tokens ); |
mercurywaters | 3:fab591fca1e7 | 302 | if ( r < 0 ) |
mercurywaters | 3:fab591fca1e7 | 303 | return r; |
mercurywaters | 0:7f4a18b3fd82 | 304 | count++; |
mercurywaters | 3:fab591fca1e7 | 305 | if ( parser->toksuper != -1 && tokens != NULL ) |
mercurywaters | 3:fab591fca1e7 | 306 | tokens [ parser->toksuper ].childCount++; |
mercurywaters | 0:7f4a18b3fd82 | 307 | break; |
mercurywaters | 3:fab591fca1e7 | 308 | |
mercurywaters | 0:7f4a18b3fd82 | 309 | /* Unexpected char in strict mode */ |
mercurywaters | 0:7f4a18b3fd82 | 310 | default: |
mercurywaters | 0:7f4a18b3fd82 | 311 | return JSMN_ERROR_INVAL; |
mercurywaters | 0:7f4a18b3fd82 | 312 | } |
mercurywaters | 0:7f4a18b3fd82 | 313 | } |
mercurywaters | 3:fab591fca1e7 | 314 | |
mercurywaters | 3:fab591fca1e7 | 315 | if ( tokens != NULL ) |
mercurywaters | 3:fab591fca1e7 | 316 | { |
mercurywaters | 3:fab591fca1e7 | 317 | for ( i = parser->toknext - 1; i >= 0; i-- ) |
mercurywaters | 3:fab591fca1e7 | 318 | { |
mercurywaters | 0:7f4a18b3fd82 | 319 | /* Unmatched opened object or array */ |
mercurywaters | 3:fab591fca1e7 | 320 | if ( tokens [ i ].start != -1 && tokens [ i ].end == -1 ) |
mercurywaters | 3:fab591fca1e7 | 321 | { |
mercurywaters | 0:7f4a18b3fd82 | 322 | return JSMN_ERROR_PART; |
mercurywaters | 0:7f4a18b3fd82 | 323 | } |
mercurywaters | 0:7f4a18b3fd82 | 324 | } |
mercurywaters | 0:7f4a18b3fd82 | 325 | } |
mercurywaters | 3:fab591fca1e7 | 326 | |
mercurywaters | 0:7f4a18b3fd82 | 327 | return count; |
mercurywaters | 0:7f4a18b3fd82 | 328 | } |
mercurywaters | 0:7f4a18b3fd82 | 329 | |
mercurywaters | 0:7f4a18b3fd82 | 330 | /** |
mercurywaters | 0:7f4a18b3fd82 | 331 | * Creates a new parser based over a given buffer with an array of tokens |
mercurywaters | 0:7f4a18b3fd82 | 332 | * available. |
mercurywaters | 0:7f4a18b3fd82 | 333 | */ |
mercurywaters | 3:fab591fca1e7 | 334 | void jsmn_init ( jsmn_parser *parser ) |
mercurywaters | 0:7f4a18b3fd82 | 335 | { |
mercurywaters | 0:7f4a18b3fd82 | 336 | parser->pos = 0; |
mercurywaters | 0:7f4a18b3fd82 | 337 | parser->toknext = 0; |
mercurywaters | 0:7f4a18b3fd82 | 338 | parser->toksuper = -1; |
mercurywaters | 0:7f4a18b3fd82 | 339 | } |
mercurywaters | 3:fab591fca1e7 | 340 |