text stringlengths 0 357 |
|---|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
THE SOFTWARE. |
*/ |
#include "dc_jsmn.h" |
/** |
* Allocates a fresh unused token from the token pool. |
*/ |
static jsmntok_t *jsmn_alloc_token(jsmn_parser *parser, |
jsmntok_t *tokens, size_t num_tokens) { |
jsmntok_t *tok; |
if (parser->toknext >= num_tokens) { |
return NULL; |
} |
tok = &tokens[parser->toknext++]; |
tok->start = tok->end = -1; |
tok->size = 0; |
#ifdef JSMN_PARENT_LINKS |
tok->parent = -1; |
#endif |
return tok; |
} |
/** |
* Fills token type and boundaries. |
*/ |
static void jsmn_fill_token(jsmntok_t *token, jsmntype_t type, |
int start, int end) { |
token->type = type; |
token->start = start; |
token->end = end; |
token->size = 0; |
} |
/** |
* Fills next available token with JSON primitive. |
*/ |
static int jsmn_parse_primitive(jsmn_parser *parser, const char *js, |
size_t len, jsmntok_t *tokens, size_t num_tokens) { |
jsmntok_t *token; |
int start; |
start = parser->pos; |
for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) { |
switch (js[parser->pos]) { |
#ifndef JSMN_STRICT |
/* In strict mode primitive must be followed by "," or "}" or "]" */ |
case ':': |
#endif |
case '\t' : case '\r' : case '\n' : case ' ' : |
case ',' : case ']' : case '}' : |
goto found; |
} |
if (js[parser->pos] < 32 || js[parser->pos] >= 127) { |
parser->pos = start; |
return JSMN_ERROR_INVAL; |
} |
} |
#ifdef JSMN_STRICT |
/* In strict mode primitive must be followed by a comma/object/array */ |
parser->pos = start; |
return JSMN_ERROR_PART; |
#endif |
found: |
if (tokens == NULL) { |
parser->pos--; |
return 0; |
} |
token = jsmn_alloc_token(parser, tokens, num_tokens); |
if (token == NULL) { |
parser->pos = start; |
return JSMN_ERROR_NOMEM; |
} |
jsmn_fill_token(token, JSMN_PRIMITIVE, start, parser->pos); |
#ifdef JSMN_PARENT_LINKS |
token->parent = parser->toksuper; |
#endif |
parser->pos--; |
return 0; |
} |
/** |
* Fills next token with JSON string. |
*/ |
static int jsmn_parse_string(jsmn_parser *parser, const char *js, |
size_t len, jsmntok_t *tokens, size_t num_tokens) { |
jsmntok_t *token; |
int start = parser->pos; |
parser->pos++; |
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