/src/libredwg/jsmn/jsmn.h

Source
/*
 * MIT License
 *
 * Copyright (c) 2010 Serge Zaitsev
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * 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.
 */
#ifndef JSMN_H
#define JSMN_H

#include <stddef.h>

#ifdef __cplusplus
extern "C" {
#endif

#ifdef JSMN_STATIC
#define JSMN_API static
#else
#define JSMN_API extern
#endif

/**
 * JSON type identifier. Basic types are:
 *  o Object
 *  o Array
 *  o String
 *  o Other primitive: number, boolean (true/false) or null
 */
typedef enum {
  JSMN_UNDEFINED = 0,
  JSMN_OBJECT = 1,
  JSMN_ARRAY = 2,
  JSMN_STRING = 3,
  JSMN_PRIMITIVE = 4
} jsmntype_t;

enum jsmnerr {
  /* Not enough tokens were provided */
  JSMN_ERROR_NOMEM = -1,
  /* Invalid character inside JSON string */
  JSMN_ERROR_INVAL = -2,
  /* The string is not a full JSON packet, more bytes expected */
  JSMN_ERROR_PART = -3
};

/**
 * JSON token description.
 * type   type (object, array, string etc.)
 * start  start position in JSON data string
 * end    end position in JSON data string
 */
typedef struct {
  jsmntype_t type;
  int start;
  int end;
  int size;
#ifdef JSMN_PARENT_LINKS
  int parent;
#endif
} jsmntok_t;

/**
 * JSON parser. Contains an array of token blocks available. Also stores
 * the string being parsed now and current position in that string.
 */
typedef struct {
  unsigned int pos;     /* offset in the JSON string */
  unsigned int toknext; /* next token to allocate */
  int toksuper;         /* superior token node, e.g. parent object or array */
} jsmn_parser;

/**
 * Create JSON parser over an array of tokens
 */
JSMN_API void jsmn_init(jsmn_parser *parser);

/**
 * Run JSON parser. It parses a JSON data string into and array of tokens, each
 * describing
 * a single JSON object.
 */
JSMN_API int jsmn_parse(jsmn_parser *parser, const char *js, const size_t len,
                        jsmntok_t *tokens, const unsigned int num_tokens);

#ifndef JSMN_HEADER
/**
 * Allocates a fresh unused token from the token pool.
 */
static jsmntok_t *jsmn_alloc_token(jsmn_parser *parser, jsmntok_t *tokens,
                                   const 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, const jsmntype_t type,
                            const int start, const 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,
                                const size_t len, jsmntok_t *tokens,
                                const 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;
    default:
                   /* to quiet a warning from gcc*/
      break;
    }
    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,
                             const size_t len, jsmntok_t *tokens,
                             const size_t num_tokens) {
  jsmntok_t *token;

  int start = parser->pos;

  parser->pos++;

  /* Skip starting quote */
  for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) {
    char c = js[parser->pos];

    /* Quote: end of string */
    if (c == '\"') {
      if (tokens == NULL) {
        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_STRING, start + 1, parser->pos);
#ifdef JSMN_PARENT_LINKS
      token->parent = parser->toksuper;
#endif
      return 0;
    }

    /* Backslash: Quoted symbol expected */
    if (c == '\\' && parser->pos + 1 < len) {
      int i;
      parser->pos++;
      switch (js[parser->pos]) {
      /* Allowed escaped symbols */
      case '\"':
      case '/':
      case '\\':
      case 'b':
      case 'f':
      case 'r':
      case 'n':
      case 't':
        break;
      /* Allows escaped symbol \uXXXX */
      case 'u':
        parser->pos++;
        for (i = 0; i < 4 && parser->pos < len && js[parser->pos] != '\0';
             i++) {
          /* If it isn't a hex character we have an error */
          if (!((js[parser->pos] >= 48 && js[parser->pos] <= 57) ||   /* 0-9 */
                (js[parser->pos] >= 65 && js[parser->pos] <= 70) ||   /* A-F */
                (js[parser->pos] >= 97 && js[parser->pos] <= 102))) { /* a-f */
            parser->pos = start;
            return JSMN_ERROR_INVAL;
          }
          parser->pos++;
        }
        parser->pos--;
        break;
      /* Unexpected symbol */
      default:
        parser->pos = start;
        return JSMN_ERROR_INVAL;
      }
    }
  }
  parser->pos = start;
  return JSMN_ERROR_PART;
}

/**
 * Parse JSON string and fill tokens.
 */
JSMN_API int jsmn_parse(jsmn_parser *parser, const char *js, const size_t len,
                        jsmntok_t *tokens, const unsigned int num_tokens) {
  int r;
  int i;
  jsmntok_t *token;
  int count = parser->toknext;

  for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) {
    char c;
    jsmntype_t type;

    c = js[parser->pos];
    switch (c) {
    case '{':
    case '[':
      count++;
      if (tokens == NULL) {
        break;
      }
      token = jsmn_alloc_token(parser, tokens, num_tokens);
      if (token == NULL) {
        return JSMN_ERROR_NOMEM;
      }
      if (parser->toksuper != -1) {
        jsmntok_t *t = &tokens[parser->toksuper];
#ifdef JSMN_STRICT
        /* In strict mode an object or array can't become a key */
        if (t->type == JSMN_OBJECT) {
          return JSMN_ERROR_INVAL;
        }
#endif
        t->size++;
#ifdef JSMN_PARENT_LINKS
        token->parent = parser->toksuper;
#endif
      }
      token->type = (c == '{' ? JSMN_OBJECT : JSMN_ARRAY);
      token->start = parser->pos;
      parser->toksuper = parser->toknext - 1;
      break;
    case '}':
    case ']':
      if (tokens == NULL) {
        break;
      }
      type = (c == '}' ? JSMN_OBJECT : JSMN_ARRAY);
#ifdef JSMN_PARENT_LINKS
      if (parser->toknext < 1) {
        return JSMN_ERROR_INVAL;
      }
      token = &tokens[parser->toknext - 1];
      for (;;) {
        if (token->start != -1 && token->end == -1) {
          if (token->type != type) {
            return JSMN_ERROR_INVAL;
          }
          token->end = parser->pos + 1;
          parser->toksuper = token->parent;
          break;
        }
        if (token->parent == -1) {
          if (token->type != type || parser->toksuper == -1) {
            return JSMN_ERROR_INVAL;
          }
          break;
        }
        token = &tokens[token->parent];
      }
#else
      for (i = parser->toknext - 1; i >= 0; i--) {
        token = &tokens[i];
        if (token->start != -1 && token->end == -1) {
          if (token->type != type) {
            return JSMN_ERROR_INVAL;
          }
          parser->toksuper = -1;
          token->end = parser->pos + 1;
          break;
        }
      }
      /* Error if unmatched closing bracket */
      if (i == -1) {
        return JSMN_ERROR_INVAL;
      }
      for (; i >= 0; i--) {
        token = &tokens[i];
        if (token->start != -1 && token->end == -1) {
          parser->toksuper = i;
          break;
        }
      }
#endif
      break;
    case '\"':
      r = jsmn_parse_string(parser, js, len, tokens, num_tokens);
      if (r < 0) {
        return r;
      }
      count++;
      if (parser->toksuper != -1 && tokens != NULL) {
        tokens[parser->toksuper].size++;
      }
      break;
    case '\t':
    case '\r':
    case '\n':
    case ' ':
      break;
    case ':':
      parser->toksuper = parser->toknext - 1;
      break;
    case ',':
      if (tokens != NULL && parser->toksuper != -1 &&
          tokens[parser->toksuper].type != JSMN_ARRAY &&
          tokens[parser->toksuper].type != JSMN_OBJECT) {
#ifdef JSMN_PARENT_LINKS
        parser->toksuper = tokens[parser->toksuper].parent;
#else
        for (i = parser->toknext - 1; i >= 0; i--) {
          if (tokens[i].type == JSMN_ARRAY || tokens[i].type == JSMN_OBJECT) {
            if (tokens[i].start != -1 && tokens[i].end == -1) {
              parser->toksuper = i;
              break;
            }
          }
        }
#endif
      }
      break;
#ifdef JSMN_STRICT
    /* In strict mode primitives are: numbers and booleans */
    case '-':
    case '0':
    case '1':
    case '2':
    case '3':
    case '4':
    case '5':
    case '6':
    case '7':
    case '8':
    case '9':
    case 't':
    case 'f':
    case 'n':
      /* And they must not be keys of the object */
      if (tokens != NULL && parser->toksuper != -1) {
        const jsmntok_t *t = &tokens[parser->toksuper];
        if (t->type == JSMN_OBJECT ||
            (t->type == JSMN_STRING && t->size != 0)) {
          return JSMN_ERROR_INVAL;
        }
      }
#else
    /* In non-strict mode every unquoted value is a primitive */
    default:
#endif
      r = jsmn_parse_primitive(parser, js, len, tokens, num_tokens);
      if (r < 0) {
        return r;
      }
      count++;
      if (parser->toksuper != -1 && tokens != NULL) {
        tokens[parser->toksuper].size++;
      }
      break;

#ifdef JSMN_STRICT
    /* Unexpected char in strict mode */
    default:
      return JSMN_ERROR_INVAL;
#endif
    }
  }

  if (tokens != NULL) {
    for (i = parser->toknext - 1; i >= 0; i--) {
      /* Unmatched opened object or array */
      if (tokens[i].start != -1 && tokens[i].end == -1) {
        return JSMN_ERROR_PART;
      }
    }
  }

  return count;
}

/**
 * Creates a new parser based over a given buffer with an array of tokens
 * available.
 */
JSMN_API void jsmn_init(jsmn_parser *parser) {
  parser->pos = 0;
  parser->toknext = 0;
  parser->toksuper = -1;
}

#endif /* JSMN_HEADER */

#ifdef __cplusplus
}
#endif

#endif /* JSMN_H */

Coverage Report

Created: 2026-01-17 07:16

Line	Count	Source
1		/*
2		* MIT License
3		*
4		* Copyright (c) 2010 Serge Zaitsev
5		*
6		* Permission is hereby granted, free of charge, to any person obtaining a copy
7		* of this software and associated documentation files (the "Software"), to deal
8		* in the Software without restriction, including without limitation the rights
9		* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10		* copies of the Software, and to permit persons to whom the Software is
11		* furnished to do so, subject to the following conditions:
12		*
13		* The above copyright notice and this permission notice shall be included in
14		* all copies or substantial portions of the Software.
15		*
16		* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17		* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18		* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19		* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20		* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21		* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22		* SOFTWARE.
23		*/
24		#ifndef JSMN_H
25		#define JSMN_H
26
27		#include <stddef.h>
28
29		#ifdef __cplusplus
30		extern "C" {
31		#endif
32
33		#ifdef JSMN_STATIC
34		#define JSMN_API static
35		#else
36		#define JSMN_API extern
37		#endif
38
39		/**
40		* JSON type identifier. Basic types are:
41		* o Object
42		* o Array
43		* o String
44		* o Other primitive: number, boolean (true/false) or null
45		*/
46		typedef enum {
47		JSMN_UNDEFINED = 0,
48		JSMN_OBJECT = 1,
49		JSMN_ARRAY = 2,
50		JSMN_STRING = 3,
51		JSMN_PRIMITIVE = 4
52		} jsmntype_t;
53
54		enum jsmnerr {
55		/* Not enough tokens were provided */
56		JSMN_ERROR_NOMEM = -1,
57		/* Invalid character inside JSON string */
58		JSMN_ERROR_INVAL = -2,
59		/* The string is not a full JSON packet, more bytes expected */
60		JSMN_ERROR_PART = -3
61		};
62
63		/**
64		* JSON token description.
65		* type type (object, array, string etc.)
66		* start start position in JSON data string
67		* end end position in JSON data string
68		*/
69		typedef struct {
70		jsmntype_t type;
71		int start;
72		int end;
73		int size;
74		#ifdef JSMN_PARENT_LINKS
75		int parent;
76		#endif
77		} jsmntok_t;
78
79		/**
80		* JSON parser. Contains an array of token blocks available. Also stores
81		* the string being parsed now and current position in that string.
82		*/
83		typedef struct {
84		unsigned int pos; /* offset in the JSON string */
85		unsigned int toknext; /* next token to allocate */
86		int toksuper; /* superior token node, e.g. parent object or array */
87		} jsmn_parser;
88
89		/**
90		* Create JSON parser over an array of tokens
91		*/
92		JSMN_API void jsmn_init(jsmn_parser *parser);
93
94		/**
95		* Run JSON parser. It parses a JSON data string into and array of tokens, each
96		* describing
97		* a single JSON object.
98		*/
99		JSMN_API int jsmn_parse(jsmn_parser parser, const char js, const size_t len,
100		jsmntok_t *tokens, const unsigned int num_tokens);
101
102		#ifndef JSMN_HEADER
103		/**
104		* Allocates a fresh unused token from the token pool.
105		*/
106		static jsmntok_t jsmn_alloc_token(jsmn_parser parser, jsmntok_t *tokens,
107	531k	const size_t num_tokens) {
108	531k	jsmntok_t *tok;
109	531k	if (parser->toknext >= num_tokens) {
110	0	return NULL;
111	0	}
112	531k	tok = &tokens[parser->toknext++];
113	531k	tok->start = tok->end = -1;
114	531k	tok->size = 0;
115		#ifdef JSMN_PARENT_LINKS
116		tok->parent = -1;
117		#endif
118	531k	return tok;
119	531k	}
120
121		/**
122		* Fills token type and boundaries.
123		*/
124		static void jsmn_fill_token(jsmntok_t *token, const jsmntype_t type,
125	408k	const int start, const int end) {
126	408k	token->type = type;
127	408k	token->start = start;
128	408k	token->end = end;
129	408k	token->size = 0;
130	408k	}
131
132		/**
133		* Fills next available token with JSON primitive.
134		*/
135		static int jsmn_parse_primitive(jsmn_parser parser, const char js,
136		const size_t len, jsmntok_t *tokens,
137	678k	const size_t num_tokens) {
138	678k	jsmntok_t *token;
139	678k	int start;
140
141	678k	start = parser->pos;
142
143	2.27M	for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) {
144	2.27M	switch (js[parser->pos]) {
145	0	#ifndef JSMN_STRICT
146		/* In strict mode primitive must be followed by "," or "}" or "]" */
147	41.0k	case ':':
148	41.0k	#endif
149	41.0k	case '\t':
150	42.0k	case '\r':
151	42.0k	case '\n':
152	61.6k	case ' ':
153	604k	case ',':
154	617k	case ']':
155	678k	case '}':
156	678k	goto found;
157	1.59M	default:
158		/* to quiet a warning from gcc*/
159	1.59M	break;
160	2.27M	}
161	1.59M	if (js[parser->pos] < 32 \|\| js[parser->pos] >= 127) {
162	0	parser->pos = start;
163	0	return JSMN_ERROR_INVAL;
164	0	}
165	1.59M	}
166		#ifdef JSMN_STRICT
167		/* In strict mode primitive must be followed by a comma/object/array */
168		parser->pos = start;
169		return JSMN_ERROR_PART;
170		#endif
171
172	678k	found:
173	678k	if (tokens == NULL) {
174	387k	parser->pos--;
175	387k	return 0;
176	387k	}
177	291k	token = jsmn_alloc_token(parser, tokens, num_tokens);
178	291k	if (token == NULL) {
179	0	parser->pos = start;
180	0	return JSMN_ERROR_NOMEM;
181	0	}
182	291k	jsmn_fill_token(token, JSMN_PRIMITIVE, start, parser->pos);
183		#ifdef JSMN_PARENT_LINKS
184		token->parent = parser->toksuper;
185		#endif
186	291k	parser->pos--;
187	291k	return 0;
188	291k	}
189
190		/**
191		* Fills next token with JSON string.
192		*/
193		static int jsmn_parse_string(jsmn_parser parser, const char js,
194		const size_t len, jsmntok_t *tokens,
195	243k	const size_t num_tokens) {
196	243k	jsmntok_t *token;
197
198	243k	int start = parser->pos;
199
200	243k	parser->pos++;
201
202		/* Skip starting quote */
203	4.94M	for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) {
204	4.94M	char c = js[parser->pos];
205
206		/* Quote: end of string */
207	4.94M	if (c == '\"') {
208	243k	if (tokens == NULL) {
209	126k	return 0;
210	126k	}
211	117k	token = jsmn_alloc_token(parser, tokens, num_tokens);
212	117k	if (token == NULL) {
213	0	parser->pos = start;
214	0	return JSMN_ERROR_NOMEM;
215	0	}
216	117k	jsmn_fill_token(token, JSMN_STRING, start + 1, parser->pos);
217		#ifdef JSMN_PARENT_LINKS
218		token->parent = parser->toksuper;
219		#endif
220	117k	return 0;
221	117k	}
222
223		/* Backslash: Quoted symbol expected */
224	4.69M	if (c == '\\' && parser->pos + 1 < len) {
225	18.2k	int i;
226	18.2k	parser->pos++;
227	18.2k	switch (js[parser->pos]) {
228		/* Allowed escaped symbols */
229	4	case '\"':
230	4	case '/':
231	2.66k	case '\\':
232	10.4k	case 'b':
233	10.4k	case 'f':
234	10.4k	case 'r':
235	10.4k	case 'n':
236	10.4k	case 't':
237	10.4k	break;
238		/* Allows escaped symbol \uXXXX */
239	7.83k	case 'u':
240	7.83k	parser->pos++;
241	39.1k	for (i = 0; i < 4 && parser->pos < len && js[parser->pos] != '\0';
242	31.3k	i++) {
243		/* If it isn't a hex character we have an error */
244	31.3k	if (!((js[parser->pos] >= 48 && js[parser->pos] <= 57) \|\| /* 0-9 */
245	24.2k	(js[parser->pos] >= 65 && js[parser->pos] <= 70) \|\| /* A-F */
246	9.61k	(js[parser->pos] >= 97 && js[parser->pos] <= 102))) { /* a-f */
247	0	parser->pos = start;
248	0	return JSMN_ERROR_INVAL;
249	0	}
250	31.3k	parser->pos++;
251	31.3k	}
252	7.83k	parser->pos--;
253	7.83k	break;
254		/* Unexpected symbol */
255	1	default:
256	1	parser->pos = start;
257	1	return JSMN_ERROR_INVAL;
258	18.2k	}
259	18.2k	}
260	4.69M	}
261	5	parser->pos = start;
262	5	return JSMN_ERROR_PART;
263	243k	}
264
265		/**
266		* Parse JSON string and fill tokens.
267		*/
268		JSMN_API int jsmn_parse(jsmn_parser parser, const char js, const size_t len,
269	78	jsmntok_t *tokens, const unsigned int num_tokens) {
270	78	int r;
271	78	int i;
272	78	jsmntok_t *token;
273	78	int count = parser->toknext;
274
275	2.28M	for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) {
276	2.28M	char c;
277	2.28M	jsmntype_t type;
278
279	2.28M	c = js[parser->pos];
280	2.28M	switch (c) {
281	226k	case '{':
282	252k	case '[':
283	252k	count++;
284	252k	if (tokens == NULL) {
285	129k	break;
286	129k	}
287	122k	token = jsmn_alloc_token(parser, tokens, num_tokens);
288	122k	if (token == NULL) {
289	0	return JSMN_ERROR_NOMEM;
290	0	}
291	122k	if (parser->toksuper != -1) {
292	97.1k	jsmntok_t *t = &tokens[parser->toksuper];
293		#ifdef JSMN_STRICT
294		/* In strict mode an object or array can't become a key */
295		if (t->type == JSMN_OBJECT) {
296		return JSMN_ERROR_INVAL;
297		}
298		#endif
299	97.1k	t->size++;
300		#ifdef JSMN_PARENT_LINKS
301		token->parent = parser->toksuper;
302		#endif
303	97.1k	}
304	122k	token->type = (c == '{' ? JSMN_OBJECT : JSMN_ARRAY);
305	122k	token->start = parser->pos;
306	122k	parser->toksuper = parser->toknext - 1;
307	122k	break;
308	162k	case '}':
309	197k	case ']':
310	197k	if (tokens == NULL) {
311	111k	break;
312	111k	}
313	85.9k	type = (c == '}' ? JSMN_OBJECT : JSMN_ARRAY);
314		#ifdef JSMN_PARENT_LINKS
315		if (parser->toknext < 1) {
316		return JSMN_ERROR_INVAL;
317		}
318		token = &tokens[parser->toknext - 1];
319		for (;;) {
320		if (token->start != -1 && token->end == -1) {
321		if (token->type != type) {
322		return JSMN_ERROR_INVAL;
323		}
324		token->end = parser->pos + 1;
325		parser->toksuper = token->parent;
326		break;
327		}
328		if (token->parent == -1) {
329		if (token->type != type \|\| parser->toksuper == -1) {
330		return JSMN_ERROR_INVAL;
331		}
332		break;
333		}
334		token = &tokens[token->parent];
335		}
336		#else
337	31.0M	for (i = parser->toknext - 1; i >= 0; i--) {
338	31.0M	token = &tokens[i];
339	31.0M	if (token->start != -1 && token->end == -1) {
340	85.9k	if (token->type != type) {
341	0	return JSMN_ERROR_INVAL;
342	0	}
343	85.9k	parser->toksuper = -1;
344	85.9k	token->end = parser->pos + 1;
345	85.9k	break;
346	85.9k	}
347	31.0M	}
348		/* Error if unmatched closing bracket */
349	85.9k	if (i == -1) {
350	4	return JSMN_ERROR_INVAL;
351	4	}
352	350M	for (; i >= 0; i--) {
353	350M	token = &tokens[i];
354	350M	if (token->start != -1 && token->end == -1) {
355	60.5k	parser->toksuper = i;
356	60.5k	break;
357	60.5k	}
358	350M	}
359	85.9k	#endif
360	85.9k	break;
361	243k	case '\"':
362	243k	r = jsmn_parse_string(parser, js, len, tokens, num_tokens);
363	243k	if (r < 0) {
364	6	return r;
365	6	}
366	243k	count++;
367	243k	if (parser->toksuper != -1 && tokens != NULL) {
368	90.1k	tokens[parser->toksuper].size++;
369	90.1k	}
370	243k	break;
371	1.96k	case '\t':
372	4.69k	case '\r':
373	4.69k	case '\n':
374	35.3k	case ' ':
375	35.3k	break;
376	80.1k	case ':':
377	80.1k	parser->toksuper = parser->toknext - 1;
378	80.1k	break;
379	798k	case ',':
380	798k	if (tokens != NULL && parser->toksuper != -1 &&
381	247k	tokens[parser->toksuper].type != JSMN_ARRAY &&
382	242k	tokens[parser->toksuper].type != JSMN_OBJECT) {
383		#ifdef JSMN_PARENT_LINKS
384		parser->toksuper = tokens[parser->toksuper].parent;
385		#else
386	10.4M	for (i = parser->toknext - 1; i >= 0; i--) {
387	10.4M	if (tokens[i].type == JSMN_ARRAY \|\| tokens[i].type == JSMN_OBJECT) {
388	1.16M	if (tokens[i].start != -1 && tokens[i].end == -1) {
389	29.2k	parser->toksuper = i;
390	29.2k	break;
391	29.2k	}
392	1.16M	}
393	10.4M	}
394	29.4k	#endif
395	29.4k	}
396	798k	break;
397		#ifdef JSMN_STRICT
398		/* In strict mode primitives are: numbers and booleans */
399		case '-':
400		case '0':
401		case '1':
402		case '2':
403		case '3':
404		case '4':
405		case '5':
406		case '6':
407		case '7':
408		case '8':
409		case '9':
410		case 't':
411		case 'f':
412		case 'n':
413		/* And they must not be keys of the object */
414		if (tokens != NULL && parser->toksuper != -1) {
415		const jsmntok_t *t = &tokens[parser->toksuper];
416		if (t->type == JSMN_OBJECT \|\|
417		(t->type == JSMN_STRING && t->size != 0)) {
418		return JSMN_ERROR_INVAL;
419		}
420		}
421		#else
422		/* In non-strict mode every unquoted value is a primitive */
423	678k	default:
424	678k	#endif
425	678k	r = jsmn_parse_primitive(parser, js, len, tokens, num_tokens);
426	678k	if (r < 0) {
427	0	return r;
428	0	}
429	678k	count++;
430	678k	if (parser->toksuper != -1 && tokens != NULL) {
431	291k	tokens[parser->toksuper].size++;
432	291k	}
433	678k	break;
434
435		#ifdef JSMN_STRICT
436		/* Unexpected char in strict mode */
437		default:
438		return JSMN_ERROR_INVAL;
439		#endif
440	2.28M	}
441	2.28M	}
442
443	68	if (tokens != NULL) {
444	140k	for (i = parser->toknext - 1; i >= 0; i--) {
445		/* Unmatched opened object or array */
446	140k	if (tokens[i].start != -1 && tokens[i].end == -1) {
447	9	return JSMN_ERROR_PART;
448	9	}
449	140k	}
450	32	}
451
452	59	return count;
453	68	}
454
455		/**
456		* Creates a new parser based over a given buffer with an array of tokens
457		* available.
458		*/
459	78	JSMN_API void jsmn_init(jsmn_parser *parser) {
460	78	parser->pos = 0;
461	78	parser->toknext = 0;
462	78	parser->toksuper = -1;
463	78	}
464
465		#endif /* JSMN_HEADER */
466
467		#ifdef __cplusplus
468		}
469		#endif
470
471		#endif /* JSMN_H */