dist/libjsmn/jsmn.c

10 static jsmntok_t *jsmn_alloc_token(jsmn_parser *parser,
13 	if (parser->toknext >= num_tokens) {
16 	tok = &tokens[parser->toknext++];
39 static jsmnerr_t jsmn_parse_primitive(jsmn_parser *parser, const char *js,
44 	start = parser->pos;
46 	for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) {
47 		switch (js[parser->pos]) {
56 		if (js[parser->pos] < 32 || js[parser->pos] >= 127) {
57 			parser->pos = start;
63 	parser->pos = start;
69 		parser->pos--;
72 	token = jsmn_alloc_token(parser, tokens, num_tokens);
74 		parser->pos = start;
77 	jsmn_fill_token(token, JSMN_PRIMITIVE, start, parser->pos);
79 	token->parent = parser->toksuper;
81 	parser->pos--;
88 static jsmnerr_t jsmn_parse_string(jsmn_parser *parser, const char *js,
92 	int start = parser->pos;
94 	parser->pos++;
97 	for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) {
98 		char c = js[parser->pos];
105 			token = jsmn_alloc_token(parser, tokens, num_tokens);
107 				parser->pos = start;
110 			jsmn_fill_token(token, JSMN_STRING, start+1, parser->pos);
112 			token->parent = parser->toksuper;
118 		if (c == '\\' && parser->pos + 1 < len) {
120 			parser->pos++;
121 			switch (js[parser->pos]) {
128 					parser->pos++;
129 					for(i = 0; i < 4 && parser->pos < len && js[parser->pos] != '\0'; i++) {
131 						if(!((js[parser->pos] >= 48 && js[parser->pos] <= 57) || /* 0-9 */
132 									(js[parser->pos] >= 65 && js[parser->pos] <= 70) || /* A-F */
133 									(js[parser->pos] >= 97 && js[parser->pos] <= 102))) { /* a-f */
134 							parser->pos = start;
137 						parser->pos++;
139 					parser->pos--;
143 					parser->pos = start;
148 	parser->pos = start;
155 jsmnerr_t jsmn_parse(jsmn_parser *parser, const char *js, size_t len,
162 	for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) {
166 		c = js[parser->pos];
173 				token = jsmn_alloc_token(parser, tokens, num_tokens);
176 				if (parser->toksuper != -1) {
177 					tokens[parser->toksuper].size++;
179 					token->parent = parser->toksuper;
183 				token->start = parser->pos;
184 				parser->toksuper = parser->toknext - 1;
191 				if (parser->toknext < 1) {
194 				token = &tokens[parser->toknext - 1];
200 						token->end = parser->pos + 1;
201 						parser->toksuper = token->parent;
210 				for (i = parser->toknext - 1; i >= 0; i--) {
216 						parser->toksuper = -1;
217 						token->end = parser->pos + 1;
226 						parser->toksuper = i;
233 				r = jsmn_parse_string(parser, js, len, tokens, num_tokens);
236 				if (parser->toksuper != -1 && tokens != NULL)
237 					tokens[parser->toksuper].size++;
242 				parser->toksuper = parser->toknext - 1;
246 						tokens[parser->toksuper].type != JSMN_ARRAY &&
247 						tokens[parser->toksuper].type != JSMN_OBJECT) {
249 					parser->toksuper = tokens[parser->toksuper].parent;
251 					for (i = parser->toknext - 1; i >= 0; i--) {
254 								parser->toksuper = i;
269 					jsmntok_t *t = &tokens[parser->toksuper];
279 				r = jsmn_parse_primitive(parser, js, len, tokens, num_tokens);
282 				if (parser->toksuper != -1 && tokens != NULL)
283 					tokens[parser->toksuper].size++;
294 		for (i = parser->toknext - 1; i >= 0; i--) {
306  * Creates a new parser based over a given  buffer with an array of tokens
309 void jsmn_init(jsmn_parser *parser) {
310 	parser->pos = 0;
311 	parser->toknext = 0;
312 	parser->toksuper = -1;