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source: lib/parson.c @ 63cad66

Last change on this file since 63cad66 was 199d51c, checked in by Wilmer van der Gaast <wilmer@…>, at 2015-05-09T10:30:50Z
Remove duplicate jint typedef.
Property mode set to `100644`
File size: 60.3 KB

Rev	Line
[782a6ee]	1	/*
	2	Parson ( http://kgabis.github.com/parson/ )
	3	Copyright (c) 2012 - 2014 Krzysztof Gabis
	4
	5	Permission is hereby granted, free of charge, to any person obtaining a copy
	6	of this software and associated documentation files (the "Software"), to deal
	7	in the Software without restriction, including without limitation the rights
	8	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	9	copies of the Software, and to permit persons to whom the Software is
	10	furnished to do so, subject to the following conditions:
	11
	12	The above copyright notice and this permission notice shall be included in
	13	all copies or substantial portions of the Software.
	14
	15	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	16	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	17	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	18	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	19	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	20	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	21	THE SOFTWARE.
	22	*/
	23	#ifdef _MSC_VER
	24	#define _CRT_SECURE_NO_WARNINGS
	25	#endif
	26
	27	#include "parson.h"
	28
[8563fe7]	29	#include <errno.h>
[782a6ee]	30	#include <stdio.h>
	31	#include <stdlib.h>
	32	#include <string.h>
	33	#include <ctype.h>
	34	#include <math.h>
	35
	36	#define STARTING_CAPACITY 15
	37	#define ARRAY_MAX_CAPACITY 122880 /* 15(2^13) /
	38	#define OBJECT_MAX_CAPACITY 960 /* 15(2^6) /
	39	#define MAX_NESTING 19
	40	#define DOUBLE_SERIALIZATION_FORMAT "%f"
[8563fe7]	41	#define JINT_SERIALIZATION_FORMAT "%lld"
[782a6ee]	42
	43	#define SIZEOF_TOKEN(a) (sizeof(a) - 1)
	44	#define SKIP_CHAR(str) ((*str)++)
	45	#define SKIP_WHITESPACES(str) while (isspace(**str)) { SKIP_CHAR(str); }
	46	#define MAX(a, b) ((a) > (b) ? (a) : (b))
	47
	48	#define PARSON_MALLOC(a) malloc(a)
	49	#define PARSON_FREE(a) free((void*)(a))
	50	#define PARSON_REALLOC(a, b) realloc((a), (b))
	51
	52	#define PRINT_AND_SKIP(str, to_append) str += sprintf(str, to_append);
	53	#define PRINTF_AND_SKIP(str, format, to_append) str += sprintf(str, format, to_append);
	54
[5726a0d]	55	#define IS_CONT(b) (((unsigned char)(b) & 0xC0) == 0x80) /* is utf-8 continuation byte */
	56
[782a6ee]	57	/* Type definitions */
	58	typedef union json_value_value {
	59	const char *string;
	60	double number;
[8563fe7]	61	jint integer;
[782a6ee]	62	JSON_Object *object;
	63	JSON_Array *array;
	64	int boolean;
	65	int null;
	66	} JSON_Value_Value;
	67
	68	struct json_value_t {
	69	JSON_Value_Type type;
	70	JSON_Value_Value value;
	71	};
	72
	73	struct json_object_t {
	74	const char **names;
	75	JSON_Value **values;
	76	size_t count;
	77	size_t capacity;
	78	};
	79
	80	struct json_array_t {
	81	JSON_Value **items;
	82	size_t count;
	83	size_t capacity;
	84	};
	85
	86	/* Various */
	87	static char * read_file(const char *filename);
	88	static void remove_comments(char string, const char start_token, const char *end_token);
	89	static int try_realloc(void **ptr, size_t new_size);
	90	static char * parson_strndup(const char *string, size_t n);
	91	static char * parson_strdup(const char *string);
[5726a0d]	92	static int is_utf16_hex(const unsigned char *string);
	93	static int num_bytes_in_utf8_sequence(unsigned char c);
	94	static int verify_utf8_sequence(const unsigned char string, int len);
	95	static int is_valid_utf8(const char *string, size_t string_len);
[782a6ee]	96	static int is_decimal(const char *string, size_t length);
[5726a0d]	97	static size_t serialization_strlen(const char *string);
[782a6ee]	98
	99	/* JSON Object */
	100	static JSON_Object * json_object_init(void);
	101	static JSON_Status json_object_add(JSON_Object object, const char name, JSON_Value *value);
	102	static JSON_Status json_object_resize(JSON_Object *object, size_t capacity);
	103	static JSON_Value * json_object_nget_value(const JSON_Object object, const char name, size_t n);
	104	static void json_object_free(JSON_Object *object);
	105
	106	/* JSON Array */
	107	static JSON_Array * json_array_init(void);
	108	static JSON_Status json_array_add(JSON_Array array, JSON_Value value);
	109	static JSON_Status json_array_resize(JSON_Array *array, size_t capacity);
	110	static void json_array_free(JSON_Array *array);
	111
	112	/* JSON Value */
	113	static JSON_Value * json_value_init_string_no_copy(const char *string);
	114
	115	/* Parser */
	116	static void skip_quotes(const char **string);
	117	static int parse_utf_16(const char unprocessed, char processed);
	118	static char* process_string(const char *input, size_t len);
	119	static const char * get_quoted_string(const char **string);
	120	static JSON_Value * parse_object_value(const char **string, size_t nesting);
	121	static JSON_Value * parse_array_value(const char **string, size_t nesting);
	122	static JSON_Value * parse_string_value(const char **string);
	123	static JSON_Value * parse_boolean_value(const char **string);
	124	static JSON_Value * parse_number_value(const char **string);
	125	static JSON_Value * parse_null_value(const char **string);
	126	static JSON_Value * parse_value(const char **string, size_t nesting);
	127
	128	/* Serialization */
	129	static size_t json_serialization_size_r(const JSON_Value value, char buf);
	130	static char * json_serialize_to_buffer_r(const JSON_Value value, char buf);
	131	static char * json_serialize_string(const char string, char buf);
	132
	133	/* Various */
	134	static int try_realloc(void **ptr, size_t new_size) {
	135	void *reallocated_ptr = NULL;
	136	if (new_size == 0) {
	137	return JSONFailure;
	138	}
	139	reallocated_ptr = PARSON_REALLOC(*ptr, new_size);
	140	if (reallocated_ptr == NULL) {
	141	return JSONFailure;
	142	}
	143	*ptr = reallocated_ptr;
	144	return JSONSuccess;
	145	}
	146
	147	static char * parson_strndup(const char *string, size_t n) {
	148	char output_string = (char)PARSON_MALLOC(n + 1);
	149	if (!output_string)
	150	return NULL;
	151	output_string[n] = '\0';
	152	strncpy(output_string, string, n);
	153	return output_string;
	154	}
	155
	156	static char * parson_strdup(const char *string) {
	157	return parson_strndup(string, strlen(string));
	158	}
	159
[5726a0d]	160	static int is_utf16_hex(const unsigned char *s) {
[782a6ee]	161	return isxdigit(s[0]) && isxdigit(s[1]) && isxdigit(s[2]) && isxdigit(s[3]);
	162	}
	163
[5726a0d]	164	static int num_bytes_in_utf8_sequence(unsigned char c) {
	165	if (c == 0xC0 \|\| c == 0xC1 \|\| c > 0xF4 \|\| IS_CONT(c)) {
	166	return 0;
	167	} else if ((c & 0x80) == 0) { /* 0xxxxxxx */
	168	return 1;
	169	} else if ((c & 0xE0) == 0xC0) { /* 110xxxxx */
	170	return 2;
	171	} else if ((c & 0xF0) == 0xE0) { /* 1110xxxx */
	172	return 3;
	173	} else if ((c & 0xF8) == 0xF0) { /* 11110xxx */
	174	return 4;
	175	}
	176	return 0; /* won't happen */
	177	}
	178
	179	static int verify_utf8_sequence(const unsigned char string, int len) {
	180	unsigned int cp = 0;
	181	*len = num_bytes_in_utf8_sequence(string[0]);
	182
	183	if (*len == 1) {
	184	cp = string[0];
	185	} else if (*len == 2 && IS_CONT(string[1])) {
	186	cp = string[0] & 0x1F;
	187	cp = (cp << 6) \| (string[1] & 0x3F);
	188	} else if (*len == 3 && IS_CONT(string[1]) && IS_CONT(string[2])) {
	189	cp = ((unsigned char)string[0]) & 0xF;
	190	cp = (cp << 6) \| (string[1] & 0x3F);
	191	cp = (cp << 6) \| (string[2] & 0x3F);
	192	} else if (*len == 4 && IS_CONT(string[1]) && IS_CONT(string[2]) && IS_CONT(string[3])) {
	193	cp = string[0] & 0x7;
	194	cp = (cp << 6) \| (string[1] & 0x3F);
	195	cp = (cp << 6) \| (string[2] & 0x3F);
	196	cp = (cp << 6) \| (string[3] & 0x3F);
	197	} else {
	198	return 0;
	199	}
	200
	201	/* overlong encodings */
	202	if ((cp < 0x80 && *len > 1) \|\|
	203	(cp < 0x800 && *len > 2) \|\|
	204	(cp < 0x10000 && *len > 3)) {
	205	return 0;
	206	}
	207
	208	/* invalid unicode */
	209	if (cp > 0x10FFFF) {
	210	return 0;
	211	}
	212
	213	/* surrogate halves */
	214	if (cp >= 0xD800 && cp <= 0xDFFF) {
	215	return 0;
	216	}
	217
	218	return 1;
	219	}
	220
	221	static int is_valid_utf8(const char *string, size_t string_len) {
	222	int len = 0;
	223	const char *string_end = string + string_len;
	224	while (string < string_end) {
	225	if (!verify_utf8_sequence((const unsigned char*)string, &len)) {
	226	return 0;
	227	}
	228	string += len;
	229	}
	230	return 1;
	231	}
	232
[782a6ee]	233	static int is_decimal(const char *string, size_t length) {
	234	if (length > 1 && string[0] == '0' && string[1] != '.')
	235	return 0;
	236	if (length > 2 && !strncmp(string, "-0", 2) && string[2] != '.')
	237	return 0;
	238	while (length--)
	239	if (strchr("xX", string[length]))
	240	return 0;
	241	return 1;
	242	}
	243
[5726a0d]	244	static size_t serialization_strlen(const char *string) {
[782a6ee]	245	size_t result = 0;
	246	size_t i = 0, len = strlen(string);
	247	for (i = 0; i < len; i++) {
	248	if (strchr("\"\\\b\f\n\r\t", string[i])) /* must be escaped */
	249	result += 2;
	250	else
	251	result += 1;
	252	}
	253	return result;
	254	}
	255
	256	static char * read_file(const char * filename) {
	257	FILE *fp = fopen(filename, "r");
	258	size_t file_size;
[5726a0d]	259	long pos;
[782a6ee]	260	char *file_contents;
	261	if (!fp)
	262	return NULL;
	263	fseek(fp, 0L, SEEK_END);
[5726a0d]	264	pos = ftell(fp);
	265	if (pos < 0) {
	266	fclose(fp);
	267	return NULL;
	268	}
	269	file_size = pos;
[782a6ee]	270	rewind(fp);
	271	file_contents = (char)PARSON_MALLOC(sizeof(char) (file_size + 1));
	272	if (!file_contents) {
	273	fclose(fp);
	274	return NULL;
	275	}
	276	if (fread(file_contents, file_size, 1, fp) < 1) {
	277	if (ferror(fp)) {
	278	fclose(fp);
	279	PARSON_FREE(file_contents);
	280	return NULL;
	281	}
	282	}
	283	fclose(fp);
	284	file_contents[file_size] = '\0';
	285	return file_contents;
	286	}
	287
	288	static void remove_comments(char string, const char start_token, const char *end_token) {
	289	int in_string = 0, escaped = 0;
	290	size_t i;
	291	char *ptr = NULL, current_char;
	292	size_t start_token_len = strlen(start_token);
	293	size_t end_token_len = strlen(end_token);
	294	if (start_token_len == 0 \|\| end_token_len == 0)
	295	return;
	296	while ((current_char = *string) != '\0') {
	297	if (current_char == '\\' && !escaped) {
	298	escaped = 1;
	299	string++;
	300	continue;
	301	} else if (current_char == '\"' && !escaped) {
	302	in_string = !in_string;
	303	} else if (!in_string && strncmp(string, start_token, start_token_len) == 0) {
	304	for(i = 0; i < start_token_len; i++)
	305	string[i] = ' ';
	306	string = string + start_token_len;
	307	ptr = strstr(string, end_token);
	308	if (!ptr)
	309	return;
	310	for (i = 0; i < (ptr - string) + end_token_len; i++)
	311	string[i] = ' ';
	312	string = ptr + end_token_len - 1;
	313	}
	314	escaped = 0;
	315	string++;
	316	}
	317	}
	318
	319	/* JSON Object */
	320	static JSON_Object * json_object_init(void) {
	321	JSON_Object new_obj = (JSON_Object)PARSON_MALLOC(sizeof(JSON_Object));
	322	if (!new_obj)
	323	return NULL;
	324	new_obj->names = (const char**)NULL;
	325	new_obj->values = (JSON_Value**)NULL;
	326	new_obj->capacity = 0;
	327	new_obj->count = 0;
	328	return new_obj;
	329	}
	330
	331	static JSON_Status json_object_add(JSON_Object object, const char name, JSON_Value *value) {
[5726a0d]	332	size_t index = 0;
	333	if (object == NULL \|\| name == NULL \|\| value == NULL) {
	334	return JSONFailure;
	335	}
[782a6ee]	336	if (object->count >= object->capacity) {
	337	size_t new_capacity = MAX(object->capacity * 2, STARTING_CAPACITY);
	338	if (new_capacity > OBJECT_MAX_CAPACITY)
	339	return JSONFailure;
	340	if (json_object_resize(object, new_capacity) == JSONFailure)
	341	return JSONFailure;
	342	}
	343	if (json_object_get_value(object, name) != NULL)
	344	return JSONFailure;
	345	index = object->count;
	346	object->names[index] = parson_strdup(name);
[5726a0d]	347	if (object->names[index] == NULL)
[782a6ee]	348	return JSONFailure;
	349	object->values[index] = value;
	350	object->count++;
	351	return JSONSuccess;
	352	}
	353
	354	static JSON_Status json_object_resize(JSON_Object *object, size_t capacity) {
	355	if (try_realloc((void*)&object->names, capacity sizeof(char*)) == JSONFailure)
	356	return JSONFailure;
	357	if (try_realloc((void*)&object->values, capacity sizeof(JSON_Value*)) == JSONFailure)
	358	return JSONFailure;
	359	object->capacity = capacity;
	360	return JSONSuccess;
	361	}
	362
	363	static JSON_Value * json_object_nget_value(const JSON_Object object, const char name, size_t n) {
	364	size_t i, name_length;
	365	for (i = 0; i < json_object_get_count(object); i++) {
	366	name_length = strlen(object->names[i]);
	367	if (name_length != n)
	368	continue;
	369	if (strncmp(object->names[i], name, n) == 0)
	370	return object->values[i];
	371	}
	372	return NULL;
	373	}
	374
	375	static void json_object_free(JSON_Object *object) {
	376	while(object->count--) {
	377	PARSON_FREE(object->names[object->count]);
	378	json_value_free(object->values[object->count]);
	379	}
	380	PARSON_FREE(object->names);
	381	PARSON_FREE(object->values);
	382	PARSON_FREE(object);
	383	}
	384
	385	/* JSON Array */
	386	static JSON_Array * json_array_init(void) {
	387	JSON_Array new_array = (JSON_Array)PARSON_MALLOC(sizeof(JSON_Array));
	388	if (!new_array)
	389	return NULL;
	390	new_array->items = (JSON_Value**)NULL;
	391	new_array->capacity = 0;
	392	new_array->count = 0;
	393	return new_array;
	394	}
	395
	396	static JSON_Status json_array_add(JSON_Array array, JSON_Value value) {
	397	if (array->count >= array->capacity) {
	398	size_t new_capacity = MAX(array->capacity * 2, STARTING_CAPACITY);
	399	if (new_capacity > ARRAY_MAX_CAPACITY)
	400	return JSONFailure;
	401	if (json_array_resize(array, new_capacity) == JSONFailure)
	402	return JSONFailure;
	403	}
	404	array->items[array->count] = value;
	405	array->count++;
	406	return JSONSuccess;
	407	}
	408
	409	static JSON_Status json_array_resize(JSON_Array *array, size_t capacity) {
	410	if (try_realloc((void*)&array->items, capacity sizeof(JSON_Value*)) == JSONFailure)
	411	return JSONFailure;
	412	array->capacity = capacity;
	413	return JSONSuccess;
	414	}
	415
	416	static void json_array_free(JSON_Array *array) {
	417	while (array->count--)
	418	json_value_free(array->items[array->count]);
	419	PARSON_FREE(array->items);
	420	PARSON_FREE(array);
	421	}
	422
	423	/* JSON Value */
	424	static JSON_Value * json_value_init_string_no_copy(const char *string) {
	425	JSON_Value new_value = (JSON_Value)PARSON_MALLOC(sizeof(JSON_Value));
	426	if (!new_value)
	427	return NULL;
	428	new_value->type = JSONString;
	429	new_value->value.string = string;
	430	return new_value;
	431	}
	432
	433	/* Parser */
	434	static void skip_quotes(const char **string) {
	435	SKIP_CHAR(string);
	436	while (**string != '\"') {
	437	if (**string == '\0')
	438	return;
	439	if (**string == '\\') {
	440	SKIP_CHAR(string);
	441	if (**string == '\0')
	442	return;
	443	}
	444	SKIP_CHAR(string);
	445	}
	446	SKIP_CHAR(string);
	447	}
	448
	449	static int parse_utf_16(const char unprocessed, char processed) {
	450	unsigned int cp, lead, trail;
	451	char processed_ptr = processed;
	452	const char unprocessed_ptr = unprocessed;
	453	unprocessed_ptr++; /* skips u */
[5726a0d]	454	if (!is_utf16_hex((const unsigned char*)unprocessed_ptr) \|\| sscanf(unprocessed_ptr, "%4x", &cp) == EOF)
[782a6ee]	455	return JSONFailure;
	456	if (cp < 0x80) {
	457	processed_ptr = cp; / 0xxxxxxx */
	458	} else if (cp < 0x800) {
	459	processed_ptr++ = ((cp >> 6) & 0x1F) \| 0xC0; / 110xxxxx */
	460	processed_ptr = ((cp ) & 0x3F) \| 0x80; / 10xxxxxx */
	461	} else if (cp < 0xD800 \|\| cp > 0xDFFF) {
	462	processed_ptr++ = ((cp >> 12) & 0x0F) \| 0xE0; / 1110xxxx */
	463	processed_ptr++ = ((cp >> 6) & 0x3F) \| 0x80; / 10xxxxxx */
	464	processed_ptr = ((cp ) & 0x3F) \| 0x80; / 10xxxxxx */
	465	} else if (cp >= 0xD800 && cp <= 0xDBFF) { /* lead surrogate (0xD800..0xDBFF) */
	466	lead = cp;
	467	unprocessed_ptr += 4; /* should always be within the buffer, otherwise previous sscanf would fail */
	468	if (unprocessed_ptr++ != '\\' \|\| unprocessed_ptr++ != 'u' \|\| /* starts with \u? */
[5726a0d]	469	!is_utf16_hex((const unsigned char*)unprocessed_ptr) \|\|
[782a6ee]	470	sscanf(unprocessed_ptr, "%4x", &trail) == EOF \|\|
	471	trail < 0xDC00 \|\| trail > 0xDFFF) { /* valid trail surrogate? (0xDC00..0xDFFF) */
	472	return JSONFailure;
	473	}
	474	cp = ((((lead-0xD800)&0x3FF)<<10)\|((trail-0xDC00)&0x3FF))+0x010000;
	475	processed_ptr++ = (((cp >> 18) & 0x07) \| 0xF0); / 11110xxx */
	476	processed_ptr++ = (((cp >> 12) & 0x3F) \| 0x80); / 10xxxxxx */
	477	processed_ptr++ = (((cp >> 6) & 0x3F) \| 0x80); / 10xxxxxx */
	478	processed_ptr = (((cp ) & 0x3F) \| 0x80); / 10xxxxxx */
	479	} else { /* trail surrogate before lead surrogate */
	480	return JSONFailure;
	481	}
	482	unprocessed_ptr += 3;
	483	*processed = processed_ptr;
	484	*unprocessed = unprocessed_ptr;
	485	return JSONSuccess;
	486	}
	487
	488
	489	/* Copies and processes passed string up to supplied length.
	490	Example: "\u006Corem ipsum" -> lorem ipsum */
	491	static char* process_string(const char *input, size_t len) {
	492	const char *input_ptr = input;
	493	char output = (char)PARSON_MALLOC((len + 1) * sizeof(char));
	494	char *output_ptr = output;
	495	while ((*input_ptr != '\0') && (size_t)(input_ptr - input) < len) {
	496	if (*input_ptr == '\\') {
	497	input_ptr++;
	498	switch (*input_ptr) {
	499	case '\"': *output_ptr = '\"'; break;
	500	case '\\': *output_ptr = '\\'; break;
	501	case '/': *output_ptr = '/'; break;
	502	case 'b': *output_ptr = '\b'; break;
	503	case 'f': *output_ptr = '\f'; break;
	504	case 'n': *output_ptr = '\n'; break;
	505	case 'r': *output_ptr = '\r'; break;
	506	case 't': *output_ptr = '\t'; break;
	507	case 'u':
	508	if (parse_utf_16(&input_ptr, &output_ptr) == JSONFailure)
	509	goto error;
	510	break;
	511	default:
	512	goto error;
	513	}
	514	} else if ((unsigned char)*input_ptr < 0x20) {
	515	goto error; /* 0x00-0x19 are invalid characters for json string (http://www.ietf.org/rfc/rfc4627.txt) */
	516	} else {
	517	output_ptr = input_ptr;
	518	}
	519	output_ptr++;
	520	input_ptr++;
	521	}
	522	*output_ptr = '\0';
[5726a0d]	523	if (try_realloc((void*)&output, (size_t)(output_ptr-output) + 1) == JSONFailure) / resize to new length */
[782a6ee]	524	goto error;
	525	return output;
	526	error:
	527	free(output);
	528	return NULL;
	529	}
	530
	531	/* Return processed contents of a string between quotes and
	532	skips passed argument to a matching quote. */
	533	static const char * get_quoted_string(const char **string) {
	534	const char string_start = string;
	535	size_t string_len = 0;
	536	skip_quotes(string);
	537	if (**string == '\0')
	538	return NULL;
	539	string_len = string - string_start - 2; / length without quotes */
	540	return process_string(string_start + 1, string_len);
	541	}
	542
	543	static JSON_Value * parse_value(const char **string, size_t nesting) {
	544	if (nesting > MAX_NESTING)
	545	return NULL;
	546	SKIP_WHITESPACES(string);
	547	switch (**string) {
	548	case '{':
	549	return parse_object_value(string, nesting + 1);
	550	case '[':
	551	return parse_array_value(string, nesting + 1);
	552	case '\"':
	553	return parse_string_value(string);
	554	case 'f': case 't':
	555	return parse_boolean_value(string);
	556	case '-':
	557	case '0': case '1': case '2': case '3': case '4':
	558	case '5': case '6': case '7': case '8': case '9':
	559	return parse_number_value(string);
	560	case 'n':
	561	return parse_null_value(string);
	562	default:
	563	return NULL;
	564	}
	565	}
	566
	567	static JSON_Value * parse_object_value(const char **string, size_t nesting) {
	568	JSON_Value output_value = json_value_init_object(), new_value = NULL;
	569	JSON_Object *output_object = json_value_get_object(output_value);
	570	const char *new_key = NULL;
	571	if (output_value == NULL)
	572	return NULL;
	573	SKIP_CHAR(string);
	574	SKIP_WHITESPACES(string);
	575	if (*string == '}') { / empty object */
	576	SKIP_CHAR(string);
	577	return output_value;
	578	}
	579	while (**string != '\0') {
	580	new_key = get_quoted_string(string);
	581	SKIP_WHITESPACES(string);
	582	if (new_key == NULL \|\| **string != ':') {
	583	json_value_free(output_value);
	584	return NULL;
	585	}
	586	SKIP_CHAR(string);
	587	new_value = parse_value(string, nesting);
	588	if (new_value == NULL) {
	589	PARSON_FREE(new_key);
	590	json_value_free(output_value);
	591	return NULL;
	592	}
	593	if(json_object_add(output_object, new_key, new_value) == JSONFailure) {
	594	PARSON_FREE(new_key);
	595	PARSON_FREE(new_value);
	596	json_value_free(output_value);
	597	return NULL;
	598	}
	599	PARSON_FREE(new_key);
	600	SKIP_WHITESPACES(string);
	601	if (**string != ',')
	602	break;
	603	SKIP_CHAR(string);
	604	SKIP_WHITESPACES(string);
	605	}
	606	SKIP_WHITESPACES(string);
	607	if (*string != '}' \|\| / Trim object after parsing is over */
	608	json_object_resize(output_object, json_object_get_count(output_object)) == JSONFailure) {
	609	json_value_free(output_value);
	610	return NULL;
	611	}
	612	SKIP_CHAR(string);
	613	return output_value;
	614	}
	615
	616	static JSON_Value * parse_array_value(const char **string, size_t nesting) {
	617	JSON_Value output_value = json_value_init_array(), new_array_value = NULL;
	618	JSON_Array *output_array = json_value_get_array(output_value);
	619	if (!output_value)
	620	return NULL;
	621	SKIP_CHAR(string);
	622	SKIP_WHITESPACES(string);
	623	if (*string == ']') { / empty array */
	624	SKIP_CHAR(string);
	625	return output_value;
	626	}
	627	while (**string != '\0') {
	628	new_array_value = parse_value(string, nesting);
	629	if (!new_array_value) {
	630	json_value_free(output_value);
	631	return NULL;
	632	}
	633	if(json_array_add(output_array, new_array_value) == JSONFailure) {
	634	PARSON_FREE(new_array_value);
	635	json_value_free(output_value);
	636	return NULL;
	637	}
	638	SKIP_WHITESPACES(string);
	639	if (**string != ',')
	640	break;
	641	SKIP_CHAR(string);
	642	SKIP_WHITESPACES(string);
	643	}
	644	SKIP_WHITESPACES(string);
	645	if (*string != ']' \|\| / Trim array after parsing is over */
	646	json_array_resize(output_array, json_array_get_count(output_array)) == JSONFailure) {
	647	json_value_free(output_value);
	648	return NULL;
	649	}
	650	SKIP_CHAR(string);
	651	return output_value;
	652	}
	653
	654	static JSON_Value * parse_string_value(const char **string) {
	655	const char *new_string = get_quoted_string(string);
	656	if (!new_string)
	657	return NULL;
	658	return json_value_init_string_no_copy(new_string);
	659	}
	660
	661	static JSON_Value * parse_boolean_value(const char **string) {
	662	size_t true_token_size = SIZEOF_TOKEN("true");
	663	size_t false_token_size = SIZEOF_TOKEN("false");
	664	if (strncmp("true", *string, true_token_size) == 0) {
	665	*string += true_token_size;
	666	return json_value_init_boolean(1);
	667	} else if (strncmp("false", *string, false_token_size) == 0) {
	668	*string += false_token_size;
	669	return json_value_init_boolean(0);
	670	}
	671	return NULL;
	672	}
	673
	674	static JSON_Value * parse_number_value(const char **string) {
[8563fe7]	675	char jint_end, double_end;
	676	double number = strtod(*string, &double_end);
	677	jint integer = strtoll(*string, &jint_end, 10);
[782a6ee]	678	JSON_Value *output_value;
[8563fe7]	679	if (double_end > jint_end \|\| errno == ERANGE) {
	680	if (is_decimal(string, double_end - string)) {
	681	*string = double_end;
	682	output_value = json_value_init_number(number);
	683	} else {
	684	output_value = NULL;
	685	}
[782a6ee]	686	} else {
[8563fe7]	687	*string = jint_end;
	688	output_value = json_value_init_integer(integer);
[782a6ee]	689	}
	690	return output_value;
	691	}
	692
	693	static JSON_Value * parse_null_value(const char **string) {
	694	size_t token_size = SIZEOF_TOKEN("null");
	695	if (strncmp("null", *string, token_size) == 0) {
	696	*string += token_size;
	697	return json_value_init_null();
	698	}
	699	return NULL;
	700	}
	701
	702	/* Serialization */
	703	static size_t json_serialization_size_r(const JSON_Value value, char buf) {
	704	size_t result_size = 0;
	705	const char *key = NULL;
	706	JSON_Value *temp_value = NULL;
	707	JSON_Array *array = NULL;
	708	JSON_Object *object = NULL;
	709	size_t i = 0, count = 0;
	710	double num = 0.0;
[8563fe7]	711	jint intnum = 0;
[782a6ee]	712	switch (json_value_get_type(value)) {
	713	case JSONArray:
	714	array = json_value_get_array(value);
	715	count = json_array_get_count(array);
	716	result_size += 2; /* [ and ] brackets */
	717	if (count > 0)
	718	result_size += count - 1; /* , between items */
	719	for (i = 0; i < count; i++) {
	720	temp_value = json_array_get_value(array, i);
	721	result_size += json_serialization_size_r(temp_value, buf);
	722	}
	723	return result_size;
	724	case JSONObject:
	725	object = json_value_get_object(value);
	726	count = json_object_get_count(object);
	727	result_size += 2; /* { and } brackets */
	728	if (count > 0)
	729	result_size += (count * 2) - 1; /* : between keys and values and , between items */
	730	for (i = 0; i < count; i++) {
	731	key = json_object_get_name(object, i);
[5726a0d]	732	result_size += serialization_strlen(key) + 2; /* string and quotes */
[782a6ee]	733	result_size += json_serialization_size_r(json_object_get_value(object, key), buf);
	734	}
	735	return result_size;
	736	case JSONString:
[5726a0d]	737	return serialization_strlen(json_value_get_string(value)) + 2; /* string and quotes */
[782a6ee]	738	case JSONBoolean:
	739	if (json_value_get_boolean(value))
	740	return 4; /* strlen("true"); */
	741	else
	742	return 5; /* strlen("false"); */
[8563fe7]	743	case JSONInteger:
	744	intnum = json_value_get_integer(value);
	745	return (size_t)sprintf(buf, JINT_SERIALIZATION_FORMAT, intnum);
[782a6ee]	746	case JSONNumber:
	747	num = json_value_get_number(value);
[8563fe7]	748	if (num == ((double)(jint)num) ) /* check if num is integer */
	749	return (size_t)sprintf(buf, JINT_SERIALIZATION_FORMAT, (jint)num);
[782a6ee]	750	return (size_t)sprintf(buf, DOUBLE_SERIALIZATION_FORMAT, num);
	751	case JSONNull:
	752	return 4; /* strlen("null"); */
	753	case JSONError:
	754	return 0;
	755	default:
	756	return 0;
	757	}
	758	}
	759
	760	char* json_serialize_to_buffer_r(const JSON_Value value, char buf)
	761	{
	762	const char key = NULL, string = NULL;
	763	JSON_Value *temp_value = NULL;
	764	JSON_Array *array = NULL;
	765	JSON_Object *object = NULL;
	766	size_t i = 0, count = 0;
	767	double num = 0.0;
[8563fe7]	768	jint intnum = 0;
[782a6ee]	769	switch (json_value_get_type(value)) {
	770	case JSONArray:
	771	array = json_value_get_array(value);
	772	count = json_array_get_count(array);
	773	PRINT_AND_SKIP(buf, "[");
	774	for (i = 0; i < count; i++) {
	775	temp_value = json_array_get_value(array, i);
	776	buf = json_serialize_to_buffer_r(temp_value, buf);
[5726a0d]	777	if (buf == NULL)
	778	return NULL;
[782a6ee]	779	if (i < (count - 1))
	780	PRINT_AND_SKIP(buf, ",");
	781	}
	782	PRINT_AND_SKIP(buf, "]");
	783	return buf;
	784	case JSONObject:
	785	object = json_value_get_object(value);
	786	count = json_object_get_count(object);
	787	PRINT_AND_SKIP(buf, "{");
	788	for (i = 0; i < count; i++) {
	789	key = json_object_get_name(object, i);
	790	buf = json_serialize_string(key, buf);
[5726a0d]	791	if (buf == NULL)
	792	return NULL;
[782a6ee]	793	PRINT_AND_SKIP(buf, ":");
	794	temp_value = json_object_get_value(object, key);
	795	buf = json_serialize_to_buffer_r(temp_value, buf);
[5726a0d]	796	if (buf == NULL)
	797	return NULL;
[782a6ee]	798	if (i < (count - 1))
	799	PRINT_AND_SKIP(buf, ",");
	800	}
	801	PRINT_AND_SKIP(buf, "}");
	802	return buf;
	803	case JSONString:
	804	string = json_value_get_string(value);
	805	buf = json_serialize_string(string, buf);
	806	return buf;
	807	case JSONBoolean:
	808	if (json_value_get_boolean(value)) {
	809	PRINT_AND_SKIP(buf, "true");
	810	} else {
	811	PRINT_AND_SKIP(buf, "false");
	812	}
	813	return buf;
[8563fe7]	814	case JSONInteger:
	815	intnum = json_value_get_integer(value);
	816	PRINTF_AND_SKIP(buf, JINT_SERIALIZATION_FORMAT, intnum);
	817	return buf;
[782a6ee]	818	case JSONNumber:
	819	num = json_value_get_number(value);
	820	if (num == ((double)(int)num)) { /* check if num is integer */
	821	PRINTF_AND_SKIP(buf, "%d", (int)num);
	822	} else {
	823	PRINTF_AND_SKIP(buf, DOUBLE_SERIALIZATION_FORMAT, num);
	824	}
	825	return buf;
	826	case JSONNull:
	827	PRINT_AND_SKIP(buf, "null");
	828	return buf;
	829	case JSONError:
	830	return NULL;
	831	default:
	832	return NULL;
	833	}
	834	}
	835
	836	static char * json_serialize_string(const char string, char buf) {
	837	size_t i = 0, len = strlen(string);
	838	char c = '\0';
	839	PRINT_AND_SKIP(buf, "\"")
	840	for (i = 0; i < len; i++) {
	841	c = string[i];
	842	switch (c) {
	843	case '\"': PRINT_AND_SKIP(buf, "\\\""); break;
	844	case '\\': PRINT_AND_SKIP(buf, "\\\\"); break;
	845	case '\b': PRINT_AND_SKIP(buf, "\\b"); break;
	846	case '\f': PRINT_AND_SKIP(buf, "\\f"); break;
	847	case '\n': PRINT_AND_SKIP(buf, "\\n"); break;
	848	case '\r': PRINT_AND_SKIP(buf, "\\r"); break;
	849	case '\t': PRINT_AND_SKIP(buf, "\\t"); break;
	850	default: PRINTF_AND_SKIP(buf, "%c", c); break;
	851	}
	852	}
	853	PRINT_AND_SKIP(buf, "\"");
	854	return buf;
	855	}
	856
	857	/* Parser API */
	858	JSON_Value * json_parse_file(const char *filename) {
	859	char *file_contents = read_file(filename);
	860	JSON_Value *output_value = NULL;
[5726a0d]	861	if (file_contents == NULL)
[782a6ee]	862	return NULL;
	863	output_value = json_parse_string(file_contents);
	864	PARSON_FREE(file_contents);
	865	return output_value;
	866	}
	867
	868	JSON_Value * json_parse_file_with_comments(const char *filename) {
	869	char *file_contents = read_file(filename);
	870	JSON_Value *output_value = NULL;
[5726a0d]	871	if (file_contents == NULL)
[782a6ee]	872	return NULL;
	873	output_value = json_parse_string_with_comments(file_contents);
	874	PARSON_FREE(file_contents);
	875	return output_value;
	876	}
	877
[989f431]	878	JSON_Value * json_parse_first(const char string, const char *end) {
	879	const char *pos;
	880	JSON_Value *ret;
	881
[5726a0d]	882	if (string == NULL)
[782a6ee]	883	return NULL;
	884	SKIP_WHITESPACES(&string);
	885	if (string != '{' && string != '[')
	886	return NULL;
[989f431]	887
	888	pos = string;
	889	ret = parse_value(&pos, 0);
	890	if (end)
	891	*end = pos;
	892
	893	return ret;
	894	}
	895
	896	JSON_Value * json_parse_string(const char *string) {
	897	return json_parse_first(string, NULL);
[782a6ee]	898	}
	899
	900	JSON_Value * json_parse_string_with_comments(const char *string) {
	901	JSON_Value *result = NULL;
	902	char string_mutable_copy = NULL, string_mutable_copy_ptr = NULL;
	903	string_mutable_copy = parson_strdup(string);
[5726a0d]	904	if (string_mutable_copy == NULL)
[782a6ee]	905	return NULL;
	906	remove_comments(string_mutable_copy, "/", "/");
	907	remove_comments(string_mutable_copy, "//", "\n");
	908	string_mutable_copy_ptr = string_mutable_copy;
	909	SKIP_WHITESPACES(&string_mutable_copy_ptr);
	910	if (string_mutable_copy_ptr != '{' && string_mutable_copy_ptr != '[') {
	911	PARSON_FREE(string_mutable_copy);
	912	return NULL;
	913	}
	914	result = parse_value((const char**)&string_mutable_copy_ptr, 0);
	915	PARSON_FREE(string_mutable_copy);
	916	return result;
	917	}
	918
	919
	920	/* JSON Object API */
	921
	922	JSON_Value * json_object_get_value(const JSON_Object object, const char name) {
[5726a0d]	923	if (object == NULL \|\| name == NULL)
	924	return NULL;
[782a6ee]	925	return json_object_nget_value(object, name, strlen(name));
	926	}
	927
	928	const char * json_object_get_string(const JSON_Object object, const char name) {
	929	return json_value_get_string(json_object_get_value(object, name));
	930	}
	931
[8563fe7]	932	jint json_object_get_integer(const JSON_Object object, const char name) {
	933	return json_value_get_integer(json_object_get_value(object, name));
	934	}
	935
[782a6ee]	936	double json_object_get_number(const JSON_Object object, const char name) {
	937	return json_value_get_number(json_object_get_value(object, name));
	938	}
	939
	940	JSON_Object * json_object_get_object(const JSON_Object object, const char name) {
	941	return json_value_get_object(json_object_get_value(object, name));
	942	}
	943
	944	JSON_Array * json_object_get_array(const JSON_Object object, const char name) {
	945	return json_value_get_array(json_object_get_value(object, name));
	946	}
	947
	948	int json_object_get_boolean(const JSON_Object object, const char name) {
	949	return json_value_get_boolean(json_object_get_value(object, name));
	950	}
	951
	952	JSON_Value * json_object_dotget_value(const JSON_Object object, const char name) {
	953	const char *dot_position = strchr(name, '.');
	954	if (!dot_position)
	955	return json_object_get_value(object, name);
	956	object = json_value_get_object(json_object_nget_value(object, name, dot_position - name));
	957	return json_object_dotget_value(object, dot_position + 1);
	958	}
	959
	960	const char * json_object_dotget_string(const JSON_Object object, const char name) {
	961	return json_value_get_string(json_object_dotget_value(object, name));
	962	}
	963
[8563fe7]	964	jint json_object_dotget_integer(const JSON_Object object, const char name) {
	965	return json_value_get_integer(json_object_dotget_value(object, name));
	966	}
	967
[782a6ee]	968	double json_object_dotget_number(const JSON_Object object, const char name) {
	969	return json_value_get_number(json_object_dotget_value(object, name));
	970	}
	971
	972	JSON_Object * json_object_dotget_object(const JSON_Object object, const char name) {
	973	return json_value_get_object(json_object_dotget_value(object, name));
	974	}
	975
	976	JSON_Array * json_object_dotget_array(const JSON_Object object, const char name) {
	977	return json_value_get_array(json_object_dotget_value(object, name));
	978	}
	979
	980	int json_object_dotget_boolean(const JSON_Object object, const char name) {
	981	return json_value_get_boolean(json_object_dotget_value(object, name));
	982	}
	983
	984	size_t json_object_get_count(const JSON_Object *object) {
	985	return object ? object->count : 0;
	986	}
	987
	988	const char * json_object_get_name(const JSON_Object *object, size_t index) {
	989	if (index >= json_object_get_count(object))
	990	return NULL;
	991	return object->names[index];
	992	}
	993
[ee170a1]	994	int json_object_get_tuple(const JSON_Object *object, size_t index,
	995	const char key, const JSON_Value value) {
	996	if (index >= json_object_get_count(object))
	997	return 0;
	998	*key = object->names[index];
	999	*value = object->values[index];
	1000	return 1;
	1001	}
	1002
[782a6ee]	1003	/* JSON Array API */
	1004	JSON_Value * json_array_get_value(const JSON_Array *array, size_t index) {
	1005	if (index >= json_array_get_count(array))
	1006	return NULL;
	1007	return array->items[index];
	1008	}
	1009
	1010	const char * json_array_get_string(const JSON_Array *array, size_t index) {
	1011	return json_value_get_string(json_array_get_value(array, index));
	1012	}
	1013
[8563fe7]	1014	jint json_array_get_integer(const JSON_Array *array, size_t index) {
	1015	return json_value_get_integer(json_array_get_value(array, index));
	1016	}
	1017
[782a6ee]	1018	double json_array_get_number(const JSON_Array *array, size_t index) {
	1019	return json_value_get_number(json_array_get_value(array, index));
	1020	}
	1021
	1022	JSON_Object * json_array_get_object(const JSON_Array *array, size_t index) {
	1023	return json_value_get_object(json_array_get_value(array, index));
	1024	}
	1025
	1026	JSON_Array * json_array_get_array(const JSON_Array *array, size_t index) {
	1027	return json_value_get_array(json_array_get_value(array, index));
	1028	}
	1029
	1030	int json_array_get_boolean(const JSON_Array *array, size_t index) {
	1031	return json_value_get_boolean(json_array_get_value(array, index));
	1032	}
	1033
	1034	size_t json_array_get_count(const JSON_Array *array) {
	1035	return array ? array->count : 0;
	1036	}
	1037
	1038	/* JSON Value API */
	1039	JSON_Value_Type json_value_get_type(const JSON_Value *value) {
	1040	return value ? value->type : JSONError;
	1041	}
	1042
	1043	JSON_Object * json_value_get_object(const JSON_Value *value) {
	1044	return json_value_get_type(value) == JSONObject ? value->value.object : NULL;
	1045	}
	1046
	1047	JSON_Array * json_value_get_array(const JSON_Value *value) {
	1048	return json_value_get_type(value) == JSONArray ? value->value.array : NULL;
	1049	}
	1050
	1051	const char * json_value_get_string(const JSON_Value *value) {
	1052	return json_value_get_type(value) == JSONString ? value->value.string : NULL;
	1053	}
	1054
[8563fe7]	1055	jint json_value_get_integer(const JSON_Value *value) {
	1056	if (json_value_get_type(value) == JSONNumber) {
	1057	return value->value.number;
	1058	} else if (json_value_get_type(value) == JSONInteger) {
	1059	return value->value.integer;
	1060	} else {
	1061	return 0;
	1062	}
	1063	}
	1064
[782a6ee]	1065	double json_value_get_number(const JSON_Value *value) {
[8563fe7]	1066	if (json_value_get_type(value) == JSONNumber) {
	1067	return value->value.number;
	1068	} else if (json_value_get_type(value) == JSONInteger) {
	1069	return value->value.integer;
	1070	} else {
	1071	return 0;
	1072	}
[782a6ee]	1073	}
	1074
	1075	int json_value_get_boolean(const JSON_Value *value) {
	1076	return json_value_get_type(value) == JSONBoolean ? value->value.boolean : -1;
	1077	}
	1078
	1079	void json_value_free(JSON_Value *value) {
	1080	switch (json_value_get_type(value)) {
	1081	case JSONObject:
	1082	json_object_free(value->value.object);
	1083	break;
	1084	case JSONString:
	1085	if (value->value.string) { PARSON_FREE(value->value.string); }
	1086	break;
	1087	case JSONArray:
	1088	json_array_free(value->value.array);
	1089	break;
	1090	default:
	1091	break;
	1092	}
	1093	PARSON_FREE(value);
	1094	}
	1095
	1096	JSON_Value * json_value_init_object(void) {
	1097	JSON_Value new_value = (JSON_Value)PARSON_MALLOC(sizeof(JSON_Value));
	1098	if (!new_value)
	1099	return NULL;
	1100	new_value->type = JSONObject;
	1101	new_value->value.object = json_object_init();
	1102	if (!new_value->value.object) {
	1103	PARSON_FREE(new_value);
	1104	return NULL;
	1105	}
	1106	return new_value;
	1107	}
	1108
	1109	JSON_Value * json_value_init_array(void) {
	1110	JSON_Value new_value = (JSON_Value)PARSON_MALLOC(sizeof(JSON_Value));
	1111	if (!new_value)
	1112	return NULL;
	1113	new_value->type = JSONArray;
	1114	new_value->value.array = json_array_init();
	1115	if (!new_value->value.array) {
	1116	PARSON_FREE(new_value);
	1117	return NULL;
	1118	}
	1119	return new_value;
	1120	}
	1121
	1122	JSON_Value * json_value_init_string(const char *string) {
[5726a0d]	1123	char *copy = NULL;
	1124	JSON_Value *value;
	1125	size_t string_len = 0;
	1126	if (string == NULL)
	1127	return NULL;
	1128	string_len = strlen(string);
	1129	if (!is_valid_utf8(string, string_len))
[782a6ee]	1130	return NULL;
[5726a0d]	1131	copy = parson_strndup(string, string_len);
	1132	if (copy == NULL)
	1133	return NULL;
	1134	value = json_value_init_string_no_copy(copy);
	1135	if (value == NULL)
	1136	PARSON_FREE(copy);
	1137	return value;
[782a6ee]	1138	}
	1139
[8563fe7]	1140	JSON_Value * json_value_init_integer(jint number) {
	1141	JSON_Value new_value = (JSON_Value)PARSON_MALLOC(sizeof(JSON_Value));
	1142	if (!new_value)
	1143	return NULL;
	1144	new_value->type = JSONInteger;
	1145	new_value->value.integer = number;
	1146	return new_value;
	1147	}
	1148
[782a6ee]	1149	JSON_Value * json_value_init_number(double number) {
	1150	JSON_Value new_value = (JSON_Value)PARSON_MALLOC(sizeof(JSON_Value));
	1151	if (!new_value)
	1152	return NULL;
	1153	new_value->type = JSONNumber;
	1154	new_value->value.number = number;
	1155	return new_value;
	1156	}
	1157
	1158	JSON_Value * json_value_init_boolean(int boolean) {
	1159	JSON_Value new_value = (JSON_Value)PARSON_MALLOC(sizeof(JSON_Value));
	1160	if (!new_value)
	1161	return NULL;
	1162	new_value->type = JSONBoolean;
	1163	new_value->value.boolean = boolean ? 1 : 0;
	1164	return new_value;
	1165	}
	1166
	1167	JSON_Value * json_value_init_null(void) {
	1168	JSON_Value new_value = (JSON_Value)PARSON_MALLOC(sizeof(JSON_Value));
	1169	if (!new_value)
	1170	return NULL;
	1171	new_value->type = JSONNull;
	1172	return new_value;
	1173	}
	1174
	1175	JSON_Value * json_value_deep_copy(const JSON_Value *value) {
	1176	size_t i = 0;
	1177	JSON_Value return_value = NULL, temp_value_copy = NULL, *temp_value = NULL;
	1178	const char temp_string = NULL, temp_string_copy = NULL, *temp_key = NULL;
	1179	JSON_Array temp_array = NULL, temp_array_copy = NULL;
	1180	JSON_Object temp_object = NULL, temp_object_copy = NULL;
	1181
	1182	switch (json_value_get_type(value)) {
	1183	case JSONArray:
	1184	temp_array = json_value_get_array(value);
	1185	return_value = json_value_init_array();
	1186	if (return_value == NULL)
	1187	return NULL;
	1188	temp_array_copy = json_value_get_array(return_value);
	1189	for (i = 0; i < json_array_get_count(temp_array); i++) {
	1190	temp_value = json_array_get_value(temp_array, i);
	1191	temp_value_copy = json_value_deep_copy(temp_value);
	1192	if (temp_value_copy == NULL) {
	1193	json_value_free(return_value);
	1194	return NULL;
	1195	}
	1196	if (json_array_add(temp_array_copy, temp_value_copy) == JSONFailure) {
	1197	json_value_free(return_value);
	1198	json_value_free(temp_value_copy);
	1199	return NULL;
	1200	}
	1201	}
	1202	return return_value;
	1203	case JSONObject:
	1204	temp_object = json_value_get_object(value);
	1205	return_value = json_value_init_object();
	1206	if (return_value == NULL)
	1207	return NULL;
	1208	temp_object_copy = json_value_get_object(return_value);
	1209	for (i = 0; i < json_object_get_count(temp_object); i++) {
	1210	temp_key = json_object_get_name(temp_object, i);
	1211	temp_value = json_object_get_value(temp_object, temp_key);
	1212	temp_value_copy = json_value_deep_copy(temp_value);
	1213	if (temp_value_copy == NULL) {
	1214	json_value_free(return_value);
	1215	return NULL;
	1216	}
	1217	if (json_object_add(temp_object_copy, temp_key, temp_value_copy) == JSONFailure) {
	1218	json_value_free(return_value);
	1219	json_value_free(temp_value_copy);
	1220	return NULL;
	1221	}
	1222	}
	1223	return return_value;
	1224	case JSONBoolean:
	1225	return json_value_init_boolean(json_value_get_boolean(value));
[6f903c3]	1226	case JSONInteger:
	1227	return json_value_init_integer(json_value_get_integer(value));
[782a6ee]	1228	case JSONNumber:
	1229	return json_value_init_number(json_value_get_number(value));
	1230	case JSONString:
	1231	temp_string = json_value_get_string(value);
	1232	temp_string_copy = parson_strdup(temp_string);
	1233	if (temp_string_copy == NULL)
	1234	return NULL;
[5726a0d]	1235	return_value = json_value_init_string_no_copy(temp_string_copy);
	1236	if (return_value == NULL)
	1237	PARSON_FREE(temp_string_copy);
	1238	return return_value;
[782a6ee]	1239	case JSONNull:
	1240	return json_value_init_null();
	1241	case JSONError:
	1242	return NULL;
	1243	default:
	1244	return NULL;
	1245	}
	1246	}
	1247
	1248	size_t json_serialization_size(const JSON_Value *value) {
	1249	char buf[1100]; /* recursively allocating buffer on stack is a bad idea, so let's do it only once */
	1250	return json_serialization_size_r(value, buf) + 1;
	1251	}
	1252
	1253	JSON_Status json_serialize_to_buffer(const JSON_Value value, char buf, size_t buf_size_in_bytes) {
	1254	char *serialization_result = NULL;
	1255	size_t needed_size_in_bytes = json_serialization_size(value);
	1256	if (buf_size_in_bytes < needed_size_in_bytes) {
	1257	return JSONFailure;
	1258	}
	1259	serialization_result = json_serialize_to_buffer_r(value, buf);
	1260	if(serialization_result == NULL)
	1261	return JSONFailure;
	1262	return JSONSuccess;
	1263	}
	1264
	1265	JSON_Status json_serialize_to_file(const JSON_Value value, const char filename) {
	1266	JSON_Status return_code = JSONSuccess;
	1267	FILE *fp = NULL;
	1268	char *serialized_string = json_serialize_to_string(value);
	1269	if (serialized_string == NULL) {
	1270	return JSONFailure;
	1271	}
	1272	fp = fopen (filename, "w");
	1273	if (fp != NULL) {
	1274	if (fputs (serialized_string, fp) == EOF) {
	1275	return_code = JSONFailure;
	1276	}
	1277	if (fclose (fp) == EOF) {
	1278	return_code = JSONFailure;
	1279	}
	1280	}
	1281	json_free_serialized_string(serialized_string);
	1282	return return_code;
	1283	}
	1284
	1285	char * json_serialize_to_string(const JSON_Value *value) {
	1286	JSON_Status serialization_result = JSONFailure;
	1287	size_t buf_size_bytes = json_serialization_size(value);
	1288	char buf = (char)PARSON_MALLOC(buf_size_bytes);
	1289	if (buf == NULL)
	1290	return NULL;
	1291	serialization_result = json_serialize_to_buffer(value, buf, buf_size_bytes);
	1292	if (serialization_result == JSONFailure) {
	1293	json_free_serialized_string(buf);
	1294	return NULL;
	1295	}
	1296	return buf;
	1297	}
	1298
	1299	void json_free_serialized_string(char *string) {
	1300	PARSON_FREE(string);
	1301	}
	1302
	1303	JSON_Status json_array_remove(JSON_Array *array, size_t ix) {
	1304	size_t last_element_ix = 0;
	1305	if (array == NULL \|\| ix >= json_array_get_count(array)) {
	1306	return JSONFailure;
	1307	}
	1308	last_element_ix = json_array_get_count(array) - 1;
	1309	json_value_free(json_array_get_value(array, ix));
	1310	array->count -= 1;
	1311	if (ix != last_element_ix) /* Replace value with one from the end of array */
	1312	array->items[ix] = json_array_get_value(array, last_element_ix);
	1313	return JSONSuccess;
	1314	}
	1315
	1316	JSON_Status json_array_replace_value(JSON_Array array, size_t ix, JSON_Value value) {
	1317	if (array == NULL \|\| value == NULL \|\| ix >= json_array_get_count(array)) {
	1318	return JSONFailure;
	1319	}
	1320	json_value_free(json_array_get_value(array, ix));
	1321	array->items[ix] = value;
	1322	return JSONSuccess;
	1323	}
	1324
	1325	JSON_Status json_array_replace_string(JSON_Array array, size_t i, const char string) {
[5726a0d]	1326	JSON_Value *value = json_value_init_string(string);
	1327	if (value == NULL)
	1328	return JSONFailure;
	1329	if (json_array_replace_value(array, i, value) == JSONFailure) {
	1330	json_value_free(value);
	1331	return JSONFailure;
	1332	}
	1333	return JSONSuccess;
[782a6ee]	1334	}
	1335
[8563fe7]	1336	JSON_Status json_array_replace_integer(JSON_Array *array, size_t i, jint integer) {
	1337	JSON_Value *value = json_value_init_integer(integer);
	1338	if (value == NULL)
	1339	return JSONFailure;
	1340	if (json_array_replace_value(array, i, value) == JSONFailure) {
	1341	json_value_free(value);
	1342	return JSONFailure;
	1343	}
	1344	return JSONSuccess;
	1345	}
	1346
[782a6ee]	1347	JSON_Status json_array_replace_number(JSON_Array *array, size_t i, double number) {
[5726a0d]	1348	JSON_Value *value = json_value_init_number(number);
	1349	if (value == NULL)
	1350	return JSONFailure;
	1351	if (json_array_replace_value(array, i, value) == JSONFailure) {
	1352	json_value_free(value);
	1353	return JSONFailure;
	1354	}
	1355	return JSONSuccess;
[782a6ee]	1356	}
	1357
	1358	JSON_Status json_array_replace_boolean(JSON_Array *array, size_t i, int boolean) {
[5726a0d]	1359	JSON_Value *value = json_value_init_boolean(boolean);
	1360	if (value == NULL)
	1361	return JSONFailure;
	1362	if (json_array_replace_value(array, i, value) == JSONFailure) {
	1363	json_value_free(value);
	1364	return JSONFailure;
	1365	}
	1366	return JSONSuccess;
[782a6ee]	1367	}
	1368
	1369	JSON_Status json_array_replace_null(JSON_Array *array, size_t i) {
[5726a0d]	1370	JSON_Value *value = json_value_init_null();
	1371	if (value == NULL)
	1372	return JSONFailure;
	1373	if (json_array_replace_value(array, i, value) == JSONFailure) {
	1374	json_value_free(value);
	1375	return JSONFailure;
	1376	}
	1377	return JSONSuccess;
[782a6ee]	1378	}
	1379
	1380	JSON_Status json_array_clear(JSON_Array *array) {
	1381	size_t i = 0;
	1382	if (array == NULL)
	1383	return JSONFailure;
	1384	for (i = 0; i < json_array_get_count(array); i++) {
	1385	json_value_free(json_array_get_value(array, i));
	1386	}
	1387	array->count = 0;
	1388	return JSONSuccess;
	1389	}
	1390
	1391	JSON_Status json_array_append_value(JSON_Array array, JSON_Value value) {
	1392	if (array == NULL \|\| value == NULL)
	1393	return JSONFailure;
	1394	return json_array_add(array, value);
	1395	}
	1396
	1397	JSON_Status json_array_append_string(JSON_Array array, const char string) {
[5726a0d]	1398	JSON_Value *value = json_value_init_string(string);
	1399	if (value == NULL)
	1400	return JSONFailure;
	1401	if (json_array_append_value(array, value) == JSONFailure) {
	1402	json_value_free(value);
	1403	return JSONFailure;
	1404	}
	1405	return JSONSuccess;
[782a6ee]	1406	}
	1407
[8563fe7]	1408	JSON_Status json_array_append_integer(JSON_Array *array, jint integer) {
	1409	JSON_Value *value = json_value_init_integer(integer);
	1410	if (value == NULL)
	1411	return JSONFailure;
	1412	if (json_array_append_value(array, value) == JSONFailure) {
	1413	json_value_free(value);
	1414	return JSONFailure;
	1415	}
	1416	return JSONSuccess;
	1417	}
	1418
[782a6ee]	1419	JSON_Status json_array_append_number(JSON_Array *array, double number) {
[5726a0d]	1420	JSON_Value *value = json_value_init_number(number);
	1421	if (value == NULL)
	1422	return JSONFailure;
	1423	if (json_array_append_value(array, value) == JSONFailure) {
	1424	json_value_free(value);
	1425	return JSONFailure;
	1426	}
	1427	return JSONSuccess;
[782a6ee]	1428	}
	1429
	1430	JSON_Status json_array_append_boolean(JSON_Array *array, int boolean) {
[5726a0d]	1431	JSON_Value *value = json_value_init_boolean(boolean);
	1432	if (value == NULL)
	1433	return JSONFailure;
	1434	if (json_array_append_value(array, value) == JSONFailure) {
	1435	json_value_free(value);
	1436	return JSONFailure;
	1437	}
	1438	return JSONSuccess;
[782a6ee]	1439	}
	1440
	1441	JSON_Status json_array_append_null(JSON_Array *array) {
[5726a0d]	1442	JSON_Value *value = json_value_init_null();
	1443	if (value == NULL)
	1444	return JSONFailure;
	1445	if (json_array_append_value(array, value) == JSONFailure) {
	1446	json_value_free(value);
	1447	return JSONFailure;
	1448	}
	1449	return JSONSuccess;
[782a6ee]	1450	}
	1451
	1452	JSON_Status json_object_set_value(JSON_Object object, const char name, JSON_Value *value) {
	1453	size_t i = 0;
	1454	JSON_Value *old_value;
[5726a0d]	1455	if (object == NULL \|\| name == NULL \|\| value == NULL)
[782a6ee]	1456	return JSONFailure;
	1457	old_value = json_object_get_value(object, name);
	1458	if (old_value != NULL) { /* free and overwrite old value */
	1459	json_value_free(old_value);
	1460	for (i = 0; i < json_object_get_count(object); i++) {
	1461	if (strcmp(object->names[i], name) == 0) {
	1462	object->values[i] = value;
	1463	return JSONSuccess;
	1464	}
	1465	}
	1466	}
[5726a0d]	1467	/* add new key value pair */
	1468	return json_object_add(object, name, value);
[782a6ee]	1469	}
	1470
	1471	JSON_Status json_object_set_string(JSON_Object object, const char name, const char *string) {
	1472	return json_object_set_value(object, name, json_value_init_string(string));
	1473	}
	1474
[8563fe7]	1475	JSON_Status json_object_set_integer(JSON_Object object, const char name, jint integer) {
	1476	return json_object_set_value(object, name, json_value_init_integer(integer));
	1477	}
	1478
[782a6ee]	1479	JSON_Status json_object_set_number(JSON_Object object, const char name, double number) {
	1480	return json_object_set_value(object, name, json_value_init_number(number));
	1481	}
	1482
	1483	JSON_Status json_object_set_boolean(JSON_Object object, const char name, int boolean) {
	1484	return json_object_set_value(object, name, json_value_init_boolean(boolean));
	1485	}
	1486
	1487	JSON_Status json_object_set_null(JSON_Object object, const char name) {
	1488	return json_object_set_value(object, name, json_value_init_null());
	1489	}
	1490
	1491	JSON_Status json_object_dotset_value(JSON_Object object, const char name, JSON_Value *value) {
[5726a0d]	1492	const char *dot_pos = NULL;
[782a6ee]	1493	const char *current_name = NULL;
	1494	JSON_Object *temp_obj = NULL;
	1495	JSON_Value *new_value = NULL;
[5726a0d]	1496	if (value == NULL \|\| name == NULL \|\| value == NULL)
[782a6ee]	1497	return JSONFailure;
[5726a0d]	1498	dot_pos = strchr(name, '.');
	1499	if (dot_pos == NULL) {
[782a6ee]	1500	return json_object_set_value(object, name, value);
	1501	} else {
	1502	current_name = parson_strndup(name, dot_pos - name);
	1503	temp_obj = json_object_get_object(object, current_name);
	1504	if (temp_obj == NULL) {
	1505	new_value = json_value_init_object();
	1506	if (new_value == NULL) {
	1507	PARSON_FREE(current_name);
	1508	return JSONFailure;
	1509	}
	1510	if (json_object_add(object, current_name, new_value) == JSONFailure) {
	1511	json_value_free(new_value);
	1512	PARSON_FREE(current_name);
	1513	return JSONFailure;
	1514	}
	1515	temp_obj = json_object_get_object(object, current_name);
	1516	}
	1517	PARSON_FREE(current_name);
	1518	return json_object_dotset_value(temp_obj, dot_pos + 1, value);
	1519	}
	1520	}
	1521
	1522	JSON_Status json_object_dotset_string(JSON_Object object, const char name, const char *string) {
[5726a0d]	1523	JSON_Value *value = json_value_init_string(string);
	1524	if (value == NULL)
	1525	return JSONFailure;
	1526	if (json_object_dotset_value(object, name, value) == JSONFailure) {
	1527	json_value_free(value);
	1528	return JSONFailure;
	1529	}
	1530	return JSONSuccess;
[782a6ee]	1531	}
	1532
[8563fe7]	1533	JSON_Status json_object_dotset_integer(JSON_Object object, const char name, jint integer) {
	1534	JSON_Value *value = json_value_init_integer(integer);
	1535	if (value == NULL)
	1536	return JSONFailure;
	1537	if (json_object_dotset_value(object, name, value) == JSONFailure) {
	1538	json_value_free(value);
	1539	return JSONFailure;
	1540	}
	1541	return JSONSuccess;
	1542	}
	1543
[782a6ee]	1544	JSON_Status json_object_dotset_number(JSON_Object object, const char name, double number) {
[5726a0d]	1545	JSON_Value *value = json_value_init_number(number);
	1546	if (value == NULL)
	1547	return JSONFailure;
	1548	if (json_object_dotset_value(object, name, value) == JSONFailure) {
	1549	json_value_free(value);
	1550	return JSONFailure;
	1551	}
	1552	return JSONSuccess;
[782a6ee]	1553	}
	1554
	1555	JSON_Status json_object_dotset_boolean(JSON_Object object, const char name, int boolean) {
[5726a0d]	1556	JSON_Value *value = json_value_init_boolean(boolean);
	1557	if (value == NULL)
	1558	return JSONFailure;
	1559	if (json_object_dotset_value(object, name, value) == JSONFailure) {
	1560	json_value_free(value);
	1561	return JSONFailure;
	1562	}
	1563	return JSONSuccess;
[782a6ee]	1564	}
	1565
	1566	JSON_Status json_object_dotset_null(JSON_Object object, const char name) {
[5726a0d]	1567	JSON_Value *value = json_value_init_null();
	1568	if (value == NULL)
	1569	return JSONFailure;
	1570	if (json_object_dotset_value(object, name, value) == JSONFailure) {
	1571	json_value_free(value);
	1572	return JSONFailure;
	1573	}
	1574	return JSONSuccess;
[782a6ee]	1575	}
	1576
	1577	JSON_Status json_object_remove(JSON_Object object, const char name) {
	1578	size_t i = 0, last_item_index = 0;
	1579	if (object == NULL \|\| json_object_get_value(object, name) == NULL)
	1580	return JSONFailure;
	1581	last_item_index = json_object_get_count(object) - 1;
	1582	for (i = 0; i < json_object_get_count(object); i++) {
	1583	if (strcmp(object->names[i], name) == 0) {
	1584	PARSON_FREE(object->names[i]);
	1585	json_value_free(object->values[i]);
	1586	if (i != last_item_index) { /* Replace key value pair with one from the end */
	1587	object->names[i] = object->names[last_item_index];
	1588	object->values[i] = object->values[last_item_index];
	1589	}
	1590	object->count -= 1;
	1591	return JSONSuccess;
	1592	}
	1593	}
	1594	return JSONFailure; /* No execution path should end here */
	1595	}
	1596
	1597	JSON_Status json_object_dotremove(JSON_Object object, const char name) {
	1598	const char *dot_pos = strchr(name, '.');
	1599	const char *current_name = NULL;
	1600	JSON_Object *temp_obj = NULL;
	1601	if (dot_pos == NULL) {
	1602	return json_object_remove(object, name);
	1603	} else {
	1604	current_name = parson_strndup(name, dot_pos - name);
	1605	temp_obj = json_object_get_object(object, current_name);
	1606	if (temp_obj == NULL) {
	1607	PARSON_FREE(current_name);
	1608	return JSONFailure;
	1609	}
	1610	PARSON_FREE(current_name);
	1611	return json_object_dotremove(temp_obj, dot_pos + 1);
	1612	}
	1613	}
	1614
	1615	JSON_Status json_object_clear(JSON_Object *object) {
	1616	size_t i = 0;
	1617	if (object == NULL) {
	1618	return JSONFailure;
	1619	}
	1620	for (i = 0; i < json_object_get_count(object); i++) {
	1621	PARSON_FREE(object->names[i]);
	1622	json_value_free(object->values[i]);
	1623	}
	1624	object->count = 0;
	1625	return JSONSuccess;
	1626	}
	1627
	1628	JSON_Status json_validate(const JSON_Value schema, const JSON_Value value) {
	1629	JSON_Value temp_schema_value = NULL, temp_value = NULL;
	1630	JSON_Array schema_array = NULL, value_array = NULL;
	1631	JSON_Object schema_object = NULL, value_object = NULL;
	1632	JSON_Value_Type schema_type = JSONError, value_type = JSONError;
	1633	const char *key = NULL;
	1634	size_t i = 0, count = 0;
	1635	if (schema == NULL \|\| value == NULL)
	1636	return JSONFailure;
	1637	schema_type = json_value_get_type(schema);
	1638	value_type = json_value_get_type(value);
	1639	if (schema_type != value_type && schema_type != JSONNull) /* null represents all values */
	1640	return JSONFailure;
	1641	switch (schema_type) {
	1642	case JSONArray:
	1643	schema_array = json_value_get_array(schema);
	1644	value_array = json_value_get_array(value);
	1645	count = json_array_get_count(schema_array);
	1646	if (count == 0)
	1647	return JSONSuccess; /* Empty array allows all types */
	1648	/* Get first value from array, rest is ignored */
	1649	temp_schema_value = json_array_get_value(schema_array, 0);
	1650	for (i = 0; i < json_array_get_count(value_array); i++) {
	1651	temp_value = json_array_get_value(value_array, i);
	1652	if (json_validate(temp_schema_value, temp_value) == 0) {
	1653	return JSONFailure;
	1654	}
	1655	}
	1656	return JSONSuccess;
	1657	case JSONObject:
	1658	schema_object = json_value_get_object(schema);
	1659	value_object = json_value_get_object(value);
	1660	count = json_object_get_count(schema_object);
	1661	if (count == 0)
	1662	return JSONSuccess; /* Empty object allows all objects */
	1663	else if (json_object_get_count(value_object) < count)
	1664	return JSONFailure; /* Tested object mustn't have less name-value pairs than schema */
	1665	for (i = 0; i < count; i++) {
	1666	key = json_object_get_name(schema_object, i);
	1667	temp_schema_value = json_object_get_value(schema_object, key);
	1668	temp_value = json_object_get_value(value_object, key);
	1669	if (temp_value == NULL)
	1670	return JSONFailure;
	1671	if (json_validate(temp_schema_value, temp_value) == JSONFailure)
	1672	return JSONFailure;
	1673	}
	1674	return JSONSuccess;
[6f903c3]	1675	case JSONString: case JSONInteger: case JSONNumber: case JSONBoolean: case JSONNull:
[782a6ee]	1676	return JSONSuccess; /* equality already tested before switch */
	1677	case JSONError: default:
	1678	return JSONFailure;
	1679	}
	1680	}
	1681
	1682	JSON_Status json_value_equals(const JSON_Value a, const JSON_Value b) {
	1683	JSON_Object a_object = NULL, b_object = NULL;
	1684	JSON_Array a_array = NULL, b_array = NULL;
	1685	const char a_string = NULL, b_string = NULL;
	1686	const char *key = NULL;
	1687	size_t a_count = 0, b_count = 0, i = 0;
	1688	JSON_Value_Type a_type, b_type;
	1689	a_type = json_value_get_type(a);
	1690	b_type = json_value_get_type(b);
	1691	if (a_type != b_type) {
	1692	return 0;
	1693	}
	1694	switch (a_type) {
	1695	case JSONArray:
	1696	a_array = json_value_get_array(a);
	1697	b_array = json_value_get_array(b);
	1698	a_count = json_array_get_count(a_array);
	1699	b_count = json_array_get_count(b_array);
	1700	if (a_count != b_count) {
	1701	return 0;
	1702	}
	1703	for (i = 0; i < a_count; i++) {
	1704	if (!json_value_equals(json_array_get_value(a_array, i),
	1705	json_array_get_value(b_array, i))) {
	1706	return 0;
	1707	}
	1708	}
	1709	return 1;
	1710	case JSONObject:
	1711	a_object = json_value_get_object(a);
	1712	b_object = json_value_get_object(b);
	1713	a_count = json_object_get_count(a_object);
	1714	b_count = json_object_get_count(b_object);
	1715	if (a_count != b_count) {
	1716	return 0;
	1717	}
	1718	for (i = 0; i < a_count; i++) {
	1719	key = json_object_get_name(a_object, i);
	1720	if (!json_value_equals(json_object_get_value(a_object, key),
	1721	json_object_get_value(b_object, key))) {
	1722	return 0;
	1723	}
	1724	}
	1725	return 1;
	1726	case JSONString:
	1727	a_string = json_value_get_string(a);
	1728	b_string = json_value_get_string(b);
	1729	return strcmp(a_string, b_string) == 0;
	1730	case JSONBoolean:
	1731	return json_value_get_boolean(a) == json_value_get_boolean(b);
[6f903c3]	1732	case JSONInteger:
	1733	return json_value_get_integer(a) == json_value_get_integer(b);
[782a6ee]	1734	case JSONNumber:
	1735	return fabs(json_value_get_number(a) - json_value_get_number(b)) < 0.000001; /* EPSILON */
	1736	case JSONError:
	1737	return 1;
	1738	case JSONNull:
	1739	return 1;
	1740	default:
	1741	return 1;
	1742	}
	1743	}
	1744
	1745	JSON_Value_Type json_type(const JSON_Value *value) {
	1746	return json_value_get_type(value);
	1747	}
	1748
	1749	JSON_Object * json_object (const JSON_Value *value) {
	1750	return json_value_get_object(value);
	1751	}
	1752
	1753	JSON_Array * json_array (const JSON_Value *value) {
	1754	return json_value_get_array(value);
	1755	}
	1756
	1757	const char * json_string (const JSON_Value *value) {
	1758	return json_value_get_string(value);
	1759	}
	1760
[8563fe7]	1761	jint json_integer (const JSON_Value *value) {
	1762	return json_value_get_integer(value);
	1763	}
	1764
[782a6ee]	1765	double json_number (const JSON_Value *value) {
	1766	return json_value_get_number(value);
	1767	}
	1768
	1769	int json_boolean(const JSON_Value *value) {
	1770	return json_value_get_boolean(value);
	1771	}

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