[388] | 1 | /*
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| 2 | Parson ( http://kgabis.github.com/parson/ )
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| 3 | Copyright (c) 2012 - 2017 Krzysztof Gabis
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| 4 |
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| 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
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| 6 | of this software and associated documentation files (the "Software"), to deal
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| 7 | in the Software without restriction, including without limitation the rights
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| 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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| 9 | copies of the Software, and to permit persons to whom the Software is
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| 10 | furnished to do so, subject to the following conditions:
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| 11 |
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| 12 | The above copyright notice and this permission notice shall be included in
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| 13 | all copies or substantial portions of the Software.
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| 14 |
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| 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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| 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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| 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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| 21 | THE SOFTWARE.
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| 22 | */
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| 23 | #ifdef _MSC_VER
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| 24 | #ifndef _CRT_SECURE_NO_WARNINGS
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| 25 | #define _CRT_SECURE_NO_WARNINGS
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| 26 | #endif /* _CRT_SECURE_NO_WARNINGS */
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| 27 | #endif /* _MSC_VER */
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| 28 |
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| 29 | #include "parson.h"
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| 30 |
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| 31 | #include <stdio.h>
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| 32 | #include <stdlib.h>
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| 33 | #include <string.h>
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| 34 | #include <ctype.h>
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| 35 | #include <math.h>
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| 36 | #include <errno.h>
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| 37 |
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| 38 | /* Apparently sscanf is not implemented in some "standard" libraries, so don't use it, if you
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| 39 | * don't have to. */
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| 40 | #define sscanf THINK_TWICE_ABOUT_USING_SSCANF
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| 41 |
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| 42 | #define STARTING_CAPACITY 16
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| 43 | #define MAX_NESTING 2048
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| 44 |
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| 45 | #define FLOAT_FORMAT "%1.17g" /* do not increase precision without incresing NUM_BUF_SIZE */
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| 46 | #define NUM_BUF_SIZE 64 /* double printed with "%1.17g" shouldn't be longer than 25 bytes so let's be paranoid and use 64 */
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| 47 |
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| 48 | #define SIZEOF_TOKEN(a) (sizeof(a) - 1)
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| 49 | #define SKIP_CHAR(str) ((*str)++)
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| 50 | #define SKIP_WHITESPACES(str) while (isspace((unsigned char)(**str))) { SKIP_CHAR(str); }
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| 51 | #define MAX(a, b) ((a) > (b) ? (a) : (b))
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| 52 |
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| 53 | #ifndef __c2__
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| 54 | #undef malloc
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| 55 | #undef free
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| 56 | #endif // !_MSC_VER
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| 57 |
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| 58 | #if defined(isnan) && defined(isinf)
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| 59 | #define IS_NUMBER_INVALID(x) (isnan((x)) || isinf((x)))
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| 60 | #else
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| 61 | #define IS_NUMBER_INVALID(x) (((x) * 0.0) != 0.0)
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| 62 | #endif
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| 63 |
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| 64 | static JSON_Malloc_Function parson_malloc = malloc;
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| 65 | static JSON_Free_Function parson_free = free;
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| 66 |
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| 67 | #define IS_CONT(b) (((unsigned char)(b) & 0xC0) == 0x80) /* is utf-8 continuation byte */
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| 68 |
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| 69 | /* Type definitions */
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| 70 | typedef union json_value_value {
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| 71 | char *string;
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| 72 | double number;
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| 73 | JSON_Object *object;
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| 74 | JSON_Array *array;
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| 75 | int boolean;
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| 76 | int null;
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| 77 | } JSON_Value_Value;
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| 78 |
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| 79 | struct json_value_t {
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| 80 | JSON_Value *parent;
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| 81 | JSON_Value_Type type;
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| 82 | JSON_Value_Value value;
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| 83 | };
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| 84 |
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| 85 | struct json_object_t {
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| 86 | JSON_Value *wrapping_value;
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| 87 | char **names;
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| 88 | JSON_Value **values;
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| 89 | size_t count;
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| 90 | size_t capacity;
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| 91 | };
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| 92 |
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| 93 | struct json_array_t {
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| 94 | JSON_Value *wrapping_value;
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| 95 | JSON_Value **items;
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| 96 | size_t count;
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| 97 | size_t capacity;
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| 98 | };
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| 99 |
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| 100 | /* Various */
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| 101 | static char * read_file(const char *filename);
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| 102 | static void remove_comments(char *string, const char *start_token, const char *end_token);
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| 103 | static char * parson_strndup(const char *string, size_t n);
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| 104 | static char * parson_strdup(const char *string);
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| 105 | static int hex_char_to_int(char c);
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| 106 | static int parse_utf16_hex(const char *string, unsigned int *result);
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| 107 | static int num_bytes_in_utf8_sequence(unsigned char c);
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| 108 | static int verify_utf8_sequence(const unsigned char *string, int *len);
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| 109 | static int is_valid_utf8(const char *string, size_t string_len);
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| 110 | static int is_decimal(const char *string, size_t length);
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| 111 |
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| 112 | /* JSON Object */
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| 113 | static JSON_Object * json_object_init(JSON_Value *wrapping_value);
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| 114 | static JSON_Status json_object_add(JSON_Object *object, const char *name, JSON_Value *value);
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| 115 | static JSON_Status json_object_addn(JSON_Object *object, const char *name, size_t name_len, JSON_Value *value);
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| 116 | static JSON_Status json_object_resize(JSON_Object *object, size_t new_capacity);
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| 117 | static JSON_Value * json_object_getn_value(const JSON_Object *object, const char *name, size_t name_len);
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| 118 | static JSON_Status json_object_remove_internal(JSON_Object *object, const char *name, int free_value);
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| 119 | static JSON_Status json_object_dotremove_internal(JSON_Object *object, const char *name, int free_value);
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| 120 | static void json_object_free(JSON_Object *object);
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| 121 |
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| 122 | /* JSON Array */
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| 123 | static JSON_Array * json_array_init(JSON_Value *wrapping_value);
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| 124 | static JSON_Status json_array_add(JSON_Array *array, JSON_Value *value);
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| 125 | static JSON_Status json_array_resize(JSON_Array *array, size_t new_capacity);
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| 126 | static void json_array_free(JSON_Array *array);
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| 127 |
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| 128 | /* JSON Value */
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| 129 | static JSON_Value * json_value_init_string_no_copy(char *string);
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| 130 |
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| 131 | /* Parser */
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| 132 | static JSON_Status skip_quotes(const char **string);
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| 133 | static int parse_utf16(const char **unprocessed, char **processed);
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| 134 | static char * process_string(const char *input, size_t len);
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| 135 | static char * get_quoted_string(const char **string);
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| 136 | static JSON_Value * parse_object_value(const char **string, size_t nesting);
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| 137 | static JSON_Value * parse_array_value(const char **string, size_t nesting);
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| 138 | static JSON_Value * parse_string_value(const char **string);
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| 139 | static JSON_Value * parse_boolean_value(const char **string);
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| 140 | static JSON_Value * parse_number_value(const char **string);
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| 141 | static JSON_Value * parse_null_value(const char **string);
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| 142 | static JSON_Value * parse_value(const char **string, size_t nesting);
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| 143 |
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| 144 | /* Serialization */
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| 145 | static int json_serialize_to_buffer_r(const JSON_Value *value, char *buf, int level, int is_pretty, char *num_buf);
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| 146 | static int json_serialize_string(const char *string, char *buf);
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| 147 | static int append_indent(char *buf, int level);
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| 148 | static int append_string(char *buf, const char *string);
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| 149 |
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| 150 | /* Various */
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| 151 | static char * parson_strndup(const char *string, size_t n) {
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| 152 | char *output_string = (char*)parson_malloc(n + 1);
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| 153 | if (!output_string) {
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| 154 | return NULL;
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| 155 | }
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| 156 | output_string[n] = '\0';
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| 157 | strncpy(output_string, string, n);
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| 158 | return output_string;
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| 159 | }
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| 160 |
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| 161 | static char * parson_strdup(const char *string) {
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| 162 | return parson_strndup(string, strlen(string));
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| 163 | }
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| 164 |
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| 165 | static int hex_char_to_int(char c) {
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| 166 | if (c >= '0' && c <= '9') {
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| 167 | return c - '0';
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| 168 | } else if (c >= 'a' && c <= 'f') {
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| 169 | return c - 'a' + 10;
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| 170 | } else if (c >= 'A' && c <= 'F') {
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| 171 | return c - 'A' + 10;
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| 172 | }
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| 173 | return -1;
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| 174 | }
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| 175 |
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| 176 | static int parse_utf16_hex(const char *s, unsigned int *result) {
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| 177 | int x1, x2, x3, x4;
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| 178 | if (s[0] == '\0' || s[1] == '\0' || s[2] == '\0' || s[3] == '\0') {
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| 179 | return 0;
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| 180 | }
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| 181 | x1 = hex_char_to_int(s[0]);
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| 182 | x2 = hex_char_to_int(s[1]);
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| 183 | x3 = hex_char_to_int(s[2]);
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| 184 | x4 = hex_char_to_int(s[3]);
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| 185 | if (x1 == -1 || x2 == -1 || x3 == -1 || x4 == -1) {
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| 186 | return 0;
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| 187 | }
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| 188 | *result = (unsigned int)((x1 << 12) | (x2 << 8) | (x3 << 4) | x4);
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| 189 | return 1;
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| 190 | }
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| 191 |
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| 192 | static int num_bytes_in_utf8_sequence(unsigned char c) {
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| 193 | if (c == 0xC0 || c == 0xC1 || c > 0xF4 || IS_CONT(c)) {
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| 194 | return 0;
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| 195 | } else if ((c & 0x80) == 0) { /* 0xxxxxxx */
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| 196 | return 1;
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| 197 | } else if ((c & 0xE0) == 0xC0) { /* 110xxxxx */
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| 198 | return 2;
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| 199 | } else if ((c & 0xF0) == 0xE0) { /* 1110xxxx */
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| 200 | return 3;
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| 201 | } else if ((c & 0xF8) == 0xF0) { /* 11110xxx */
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| 202 | return 4;
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| 203 | }
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| 204 | return 0; /* won't happen */
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| 205 | }
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| 206 |
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| 207 | static int verify_utf8_sequence(const unsigned char *string, int *len) {
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| 208 | unsigned int cp = 0;
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| 209 | *len = num_bytes_in_utf8_sequence(string[0]);
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| 210 |
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| 211 | if (*len == 1) {
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| 212 | cp = string[0];
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| 213 | } else if (*len == 2 && IS_CONT(string[1])) {
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| 214 | cp = string[0] & 0x1F;
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| 215 | cp = (cp << 6) | (string[1] & 0x3F);
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| 216 | } else if (*len == 3 && IS_CONT(string[1]) && IS_CONT(string[2])) {
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| 217 | cp = ((unsigned char)string[0]) & 0xF;
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| 218 | cp = (cp << 6) | (string[1] & 0x3F);
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| 219 | cp = (cp << 6) | (string[2] & 0x3F);
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| 220 | } else if (*len == 4 && IS_CONT(string[1]) && IS_CONT(string[2]) && IS_CONT(string[3])) {
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| 221 | cp = string[0] & 0x7;
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| 222 | cp = (cp << 6) | (string[1] & 0x3F);
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| 223 | cp = (cp << 6) | (string[2] & 0x3F);
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| 224 | cp = (cp << 6) | (string[3] & 0x3F);
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| 225 | } else {
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| 226 | return 0;
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| 227 | }
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| 228 |
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| 229 | /* overlong encodings */
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| 230 | if ((cp < 0x80 && *len > 1) ||
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| 231 | (cp < 0x800 && *len > 2) ||
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| 232 | (cp < 0x10000 && *len > 3)) {
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| 233 | return 0;
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| 234 | }
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| 235 |
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| 236 | /* invalid unicode */
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| 237 | if (cp > 0x10FFFF) {
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| 238 | return 0;
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| 239 | }
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| 240 |
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| 241 | /* surrogate halves */
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| 242 | if (cp >= 0xD800 && cp <= 0xDFFF) {
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| 243 | return 0;
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| 244 | }
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| 245 |
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| 246 | return 1;
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| 247 | }
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| 248 |
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| 249 | static int is_valid_utf8(const char *string, size_t string_len) {
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| 250 | int len = 0;
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| 251 | const char *string_end = string + string_len;
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| 252 | while (string < string_end) {
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| 253 | if (!verify_utf8_sequence((const unsigned char*)string, &len)) {
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| 254 | return 0;
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| 255 | }
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| 256 | string += len;
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| 257 | }
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| 258 | return 1;
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| 259 | }
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| 260 |
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| 261 | static int is_decimal(const char *string, size_t length) {
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| 262 | if (length > 1 && string[0] == '0' && string[1] != '.') {
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| 263 | return 0;
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| 264 | }
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| 265 | if (length > 2 && !strncmp(string, "-0", 2) && string[2] != '.') {
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| 266 | return 0;
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| 267 | }
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| 268 | while (length--) {
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| 269 | if (strchr("xX", string[length])) {
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| 270 | return 0;
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| 271 | }
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| 272 | }
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| 273 | return 1;
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| 274 | }
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| 275 |
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| 276 | static char * read_file(const char * filename) {
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| 277 | FILE *fp = fopen(filename, "r");
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| 278 | size_t size_to_read = 0;
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| 279 | size_t size_read = 0;
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| 280 | long pos;
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| 281 | char *file_contents;
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| 282 | if (!fp) {
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| 283 | return NULL;
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| 284 | }
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| 285 | fseek(fp, 0L, SEEK_END);
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| 286 | pos = ftell(fp);
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| 287 | if (pos < 0) {
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| 288 | fclose(fp);
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| 289 | return NULL;
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| 290 | }
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| 291 | size_to_read = pos;
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| 292 | rewind(fp);
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| 293 | file_contents = (char*)parson_malloc(sizeof(char) * (size_to_read + 1));
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| 294 | if (!file_contents) {
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| 295 | fclose(fp);
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| 296 | return NULL;
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| 297 | }
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| 298 | size_read = fread(file_contents, 1, size_to_read, fp);
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| 299 | if (size_read == 0 || ferror(fp)) {
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| 300 | fclose(fp);
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| 301 | parson_free(file_contents);
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| 302 | return NULL;
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| 303 | }
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| 304 | fclose(fp);
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| 305 | file_contents[size_read] = '\0';
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| 306 | return file_contents;
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| 307 | }
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| 308 |
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| 309 | static void remove_comments(char *string, const char *start_token, const char *end_token) {
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| 310 | int in_string = 0, escaped = 0;
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| 311 | size_t i;
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| 312 | char *ptr = NULL, current_char;
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| 313 | size_t start_token_len = strlen(start_token);
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| 314 | size_t end_token_len = strlen(end_token);
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| 315 | if (start_token_len == 0 || end_token_len == 0) {
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| 316 | return;
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| 317 | }
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| 318 | while ((current_char = *string) != '\0') {
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| 319 | if (current_char == '\\' && !escaped) {
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| 320 | escaped = 1;
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| 321 | string++;
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| 322 | continue;
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| 323 | } else if (current_char == '\"' && !escaped) {
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| 324 | in_string = !in_string;
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| 325 | } else if (!in_string && strncmp(string, start_token, start_token_len) == 0) {
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| 326 | for(i = 0; i < start_token_len; i++) {
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| 327 | string[i] = ' ';
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| 328 | }
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| 329 | string = string + start_token_len;
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| 330 | ptr = strstr(string, end_token);
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| 331 | if (!ptr) {
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| 332 | return;
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| 333 | }
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| 334 | for (i = 0; i < (ptr - string) + end_token_len; i++) {
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| 335 | string[i] = ' ';
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| 336 | }
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| 337 | string = ptr + end_token_len - 1;
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| 338 | }
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| 339 | escaped = 0;
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| 340 | string++;
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| 341 | }
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| 342 | }
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| 343 |
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| 344 | /* JSON Object */
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| 345 | static JSON_Object * json_object_init(JSON_Value *wrapping_value) {
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| 346 | JSON_Object *new_obj = (JSON_Object*)parson_malloc(sizeof(JSON_Object));
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| 347 | if (new_obj == NULL) {
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| 348 | return NULL;
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| 349 | }
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| 350 | new_obj->wrapping_value = wrapping_value;
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| 351 | new_obj->names = (char**)NULL;
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| 352 | new_obj->values = (JSON_Value**)NULL;
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| 353 | new_obj->capacity = 0;
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| 354 | new_obj->count = 0;
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| 355 | return new_obj;
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| 356 | }
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| 357 |
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| 358 | static JSON_Status json_object_add(JSON_Object *object, const char *name, JSON_Value *value) {
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| 359 | if (name == NULL) {
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| 360 | return JSONFailure;
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| 361 | }
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| 362 | return json_object_addn(object, name, strlen(name), value);
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| 363 | }
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| 364 |
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| 365 | static JSON_Status json_object_addn(JSON_Object *object, const char *name, size_t name_len, JSON_Value *value) {
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| 366 | size_t index = 0;
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| 367 | if (object == NULL || name == NULL || value == NULL) {
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| 368 | return JSONFailure;
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| 369 | }
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| 370 | if (json_object_getn_value(object, name, name_len) != NULL) {
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| 371 | return JSONFailure;
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| 372 | }
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| 373 | if (object->count >= object->capacity) {
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| 374 | size_t new_capacity = MAX(object->capacity * 2, STARTING_CAPACITY);
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| 375 | if (json_object_resize(object, new_capacity) == JSONFailure) {
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| 376 | return JSONFailure;
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| 377 | }
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| 378 | }
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| 379 | index = object->count;
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| 380 | object->names[index] = parson_strndup(name, name_len);
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| 381 | if (object->names[index] == NULL) {
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| 382 | return JSONFailure;
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| 383 | }
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| 384 | value->parent = json_object_get_wrapping_value(object);
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| 385 | object->values[index] = value;
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| 386 | object->count++;
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| 387 | return JSONSuccess;
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| 388 | }
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| 389 |
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| 390 | static JSON_Status json_object_resize(JSON_Object *object, size_t new_capacity) {
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| 391 | char **temp_names = NULL;
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| 392 | JSON_Value **temp_values = NULL;
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| 393 |
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| 394 | if ((object->names == NULL && object->values != NULL) ||
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| 395 | (object->names != NULL && object->values == NULL) ||
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| 396 | new_capacity == 0) {
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| 397 | return JSONFailure; /* Shouldn't happen */
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| 398 | }
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| 399 | temp_names = (char**)parson_malloc(new_capacity * sizeof(char*));
|
---|
| 400 | if (temp_names == NULL) {
|
---|
| 401 | return JSONFailure;
|
---|
| 402 | }
|
---|
| 403 | temp_values = (JSON_Value**)parson_malloc(new_capacity * sizeof(JSON_Value*));
|
---|
| 404 | if (temp_values == NULL) {
|
---|
| 405 | parson_free(temp_names);
|
---|
| 406 | return JSONFailure;
|
---|
| 407 | }
|
---|
| 408 | if (object->names != NULL && object->values != NULL && object->count > 0) {
|
---|
| 409 | memcpy(temp_names, object->names, object->count * sizeof(char*));
|
---|
| 410 | memcpy(temp_values, object->values, object->count * sizeof(JSON_Value*));
|
---|
| 411 | }
|
---|
| 412 | parson_free(object->names);
|
---|
| 413 | parson_free(object->values);
|
---|
| 414 | object->names = temp_names;
|
---|
| 415 | object->values = temp_values;
|
---|
| 416 | object->capacity = new_capacity;
|
---|
| 417 | return JSONSuccess;
|
---|
| 418 | }
|
---|
| 419 |
|
---|
| 420 | static JSON_Value * json_object_getn_value(const JSON_Object *object, const char *name, size_t name_len) {
|
---|
| 421 | size_t i, name_length;
|
---|
| 422 | for (i = 0; i < json_object_get_count(object); i++) {
|
---|
| 423 | name_length = strlen(object->names[i]);
|
---|
| 424 | if (name_length != name_len) {
|
---|
| 425 | continue;
|
---|
| 426 | }
|
---|
| 427 | if (strncmp(object->names[i], name, name_len) == 0) {
|
---|
| 428 | return object->values[i];
|
---|
| 429 | }
|
---|
| 430 | }
|
---|
| 431 | return NULL;
|
---|
| 432 | }
|
---|
| 433 |
|
---|
| 434 | static JSON_Status json_object_remove_internal(JSON_Object *object, const char *name, int free_value) {
|
---|
| 435 | size_t i = 0, last_item_index = 0;
|
---|
| 436 | if (object == NULL || json_object_get_value(object, name) == NULL) {
|
---|
| 437 | return JSONFailure;
|
---|
| 438 | }
|
---|
| 439 | last_item_index = json_object_get_count(object) - 1;
|
---|
| 440 | for (i = 0; i < json_object_get_count(object); i++) {
|
---|
| 441 | if (strcmp(object->names[i], name) == 0) {
|
---|
| 442 | parson_free(object->names[i]);
|
---|
| 443 | if (free_value) {
|
---|
| 444 | json_value_free(object->values[i]);
|
---|
| 445 | }
|
---|
| 446 | if (i != last_item_index) { /* Replace key value pair with one from the end */
|
---|
| 447 | object->names[i] = object->names[last_item_index];
|
---|
| 448 | object->values[i] = object->values[last_item_index];
|
---|
| 449 | }
|
---|
| 450 | object->count -= 1;
|
---|
| 451 | return JSONSuccess;
|
---|
| 452 | }
|
---|
| 453 | }
|
---|
| 454 | return JSONFailure; /* No execution path should end here */
|
---|
| 455 | }
|
---|
| 456 |
|
---|
| 457 | static JSON_Status json_object_dotremove_internal(JSON_Object *object, const char *name, int free_value) {
|
---|
| 458 | JSON_Value *temp_value = NULL;
|
---|
| 459 | JSON_Object *temp_object = NULL;
|
---|
| 460 | const char *dot_pos = strchr(name, '.');
|
---|
| 461 | if (dot_pos == NULL) {
|
---|
| 462 | return json_object_remove_internal(object, name, free_value);
|
---|
| 463 | }
|
---|
| 464 | temp_value = json_object_getn_value(object, name, dot_pos - name);
|
---|
| 465 | if (json_value_get_type(temp_value) != JSONObject) {
|
---|
| 466 | return JSONFailure;
|
---|
| 467 | }
|
---|
| 468 | temp_object = json_value_get_object(temp_value);
|
---|
| 469 | return json_object_dotremove_internal(temp_object, dot_pos + 1, free_value);
|
---|
| 470 | }
|
---|
| 471 |
|
---|
| 472 | static void json_object_free(JSON_Object *object) {
|
---|
| 473 | size_t i;
|
---|
| 474 | for (i = 0; i < object->count; i++) {
|
---|
| 475 | parson_free(object->names[i]);
|
---|
| 476 | json_value_free(object->values[i]);
|
---|
| 477 | }
|
---|
| 478 | parson_free(object->names);
|
---|
| 479 | parson_free(object->values);
|
---|
| 480 | parson_free(object);
|
---|
| 481 | }
|
---|
| 482 |
|
---|
| 483 | /* JSON Array */
|
---|
| 484 | static JSON_Array * json_array_init(JSON_Value *wrapping_value) {
|
---|
| 485 | JSON_Array *new_array = (JSON_Array*)parson_malloc(sizeof(JSON_Array));
|
---|
| 486 | if (new_array == NULL) {
|
---|
| 487 | return NULL;
|
---|
| 488 | }
|
---|
| 489 | new_array->wrapping_value = wrapping_value;
|
---|
| 490 | new_array->items = (JSON_Value**)NULL;
|
---|
| 491 | new_array->capacity = 0;
|
---|
| 492 | new_array->count = 0;
|
---|
| 493 | return new_array;
|
---|
| 494 | }
|
---|
| 495 |
|
---|
| 496 | static JSON_Status json_array_add(JSON_Array *array, JSON_Value *value) {
|
---|
| 497 | if (array->count >= array->capacity) {
|
---|
| 498 | size_t new_capacity = MAX(array->capacity * 2, STARTING_CAPACITY);
|
---|
| 499 | if (json_array_resize(array, new_capacity) == JSONFailure) {
|
---|
| 500 | return JSONFailure;
|
---|
| 501 | }
|
---|
| 502 | }
|
---|
| 503 | value->parent = json_array_get_wrapping_value(array);
|
---|
| 504 | array->items[array->count] = value;
|
---|
| 505 | array->count++;
|
---|
| 506 | return JSONSuccess;
|
---|
| 507 | }
|
---|
| 508 |
|
---|
| 509 | static JSON_Status json_array_resize(JSON_Array *array, size_t new_capacity) {
|
---|
| 510 | JSON_Value **new_items = NULL;
|
---|
| 511 | if (new_capacity == 0) {
|
---|
| 512 | return JSONFailure;
|
---|
| 513 | }
|
---|
| 514 | new_items = (JSON_Value**)parson_malloc(new_capacity * sizeof(JSON_Value*));
|
---|
| 515 | if (new_items == NULL) {
|
---|
| 516 | return JSONFailure;
|
---|
| 517 | }
|
---|
| 518 | if (array->items != NULL && array->count > 0) {
|
---|
| 519 | memcpy(new_items, array->items, array->count * sizeof(JSON_Value*));
|
---|
| 520 | }
|
---|
| 521 | parson_free(array->items);
|
---|
| 522 | array->items = new_items;
|
---|
| 523 | array->capacity = new_capacity;
|
---|
| 524 | return JSONSuccess;
|
---|
| 525 | }
|
---|
| 526 |
|
---|
| 527 | static void json_array_free(JSON_Array *array) {
|
---|
| 528 | size_t i;
|
---|
| 529 | for (i = 0; i < array->count; i++) {
|
---|
| 530 | json_value_free(array->items[i]);
|
---|
| 531 | }
|
---|
| 532 | parson_free(array->items);
|
---|
| 533 | parson_free(array);
|
---|
| 534 | }
|
---|
| 535 |
|
---|
| 536 | /* JSON Value */
|
---|
| 537 | static JSON_Value * json_value_init_string_no_copy(char *string) {
|
---|
| 538 | JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
|
---|
| 539 | if (!new_value) {
|
---|
| 540 | return NULL;
|
---|
| 541 | }
|
---|
| 542 | new_value->parent = NULL;
|
---|
| 543 | new_value->type = JSONString;
|
---|
| 544 | new_value->value.string = string;
|
---|
| 545 | return new_value;
|
---|
| 546 | }
|
---|
| 547 |
|
---|
| 548 | /* Parser */
|
---|
| 549 | static JSON_Status skip_quotes(const char **string) {
|
---|
| 550 | if (**string != '\"') {
|
---|
| 551 | return JSONFailure;
|
---|
| 552 | }
|
---|
| 553 | SKIP_CHAR(string);
|
---|
| 554 | while (**string != '\"') {
|
---|
| 555 | if (**string == '\0') {
|
---|
| 556 | return JSONFailure;
|
---|
| 557 | } else if (**string == '\\') {
|
---|
| 558 | SKIP_CHAR(string);
|
---|
| 559 | if (**string == '\0') {
|
---|
| 560 | return JSONFailure;
|
---|
| 561 | }
|
---|
| 562 | }
|
---|
| 563 | SKIP_CHAR(string);
|
---|
| 564 | }
|
---|
| 565 | SKIP_CHAR(string);
|
---|
| 566 | return JSONSuccess;
|
---|
| 567 | }
|
---|
| 568 |
|
---|
| 569 | static int parse_utf16(const char **unprocessed, char **processed) {
|
---|
| 570 | unsigned int cp, lead, trail;
|
---|
| 571 | int parse_succeeded = 0;
|
---|
| 572 | char *processed_ptr = *processed;
|
---|
| 573 | const char *unprocessed_ptr = *unprocessed;
|
---|
| 574 | unprocessed_ptr++; /* skips u */
|
---|
| 575 | parse_succeeded = parse_utf16_hex(unprocessed_ptr, &cp);
|
---|
| 576 | if (!parse_succeeded) {
|
---|
| 577 | return JSONFailure;
|
---|
| 578 | }
|
---|
| 579 | if (cp < 0x80) {
|
---|
| 580 | processed_ptr[0] = (char)cp; /* 0xxxxxxx */
|
---|
| 581 | } else if (cp < 0x800) {
|
---|
| 582 | processed_ptr[0] = ((cp >> 6) & 0x1F) | 0xC0; /* 110xxxxx */
|
---|
| 583 | processed_ptr[1] = ((cp) & 0x3F) | 0x80; /* 10xxxxxx */
|
---|
| 584 | processed_ptr += 1;
|
---|
| 585 | } else if (cp < 0xD800 || cp > 0xDFFF) {
|
---|
| 586 | processed_ptr[0] = ((cp >> 12) & 0x0F) | 0xE0; /* 1110xxxx */
|
---|
| 587 | processed_ptr[1] = ((cp >> 6) & 0x3F) | 0x80; /* 10xxxxxx */
|
---|
| 588 | processed_ptr[2] = ((cp) & 0x3F) | 0x80; /* 10xxxxxx */
|
---|
| 589 | processed_ptr += 2;
|
---|
| 590 | } else if (cp >= 0xD800 && cp <= 0xDBFF) { /* lead surrogate (0xD800..0xDBFF) */
|
---|
| 591 | lead = cp;
|
---|
| 592 | unprocessed_ptr += 4; /* should always be within the buffer, otherwise previous sscanf would fail */
|
---|
| 593 | if (*unprocessed_ptr++ != '\\' || *unprocessed_ptr++ != 'u') {
|
---|
| 594 | return JSONFailure;
|
---|
| 595 | }
|
---|
| 596 | parse_succeeded = parse_utf16_hex(unprocessed_ptr, &trail);
|
---|
| 597 | if (!parse_succeeded || trail < 0xDC00 || trail > 0xDFFF) { /* valid trail surrogate? (0xDC00..0xDFFF) */
|
---|
| 598 | return JSONFailure;
|
---|
| 599 | }
|
---|
| 600 | cp = ((((lead - 0xD800) & 0x3FF) << 10) | ((trail - 0xDC00) & 0x3FF)) + 0x010000;
|
---|
| 601 | processed_ptr[0] = (((cp >> 18) & 0x07) | 0xF0); /* 11110xxx */
|
---|
| 602 | processed_ptr[1] = (((cp >> 12) & 0x3F) | 0x80); /* 10xxxxxx */
|
---|
| 603 | processed_ptr[2] = (((cp >> 6) & 0x3F) | 0x80); /* 10xxxxxx */
|
---|
| 604 | processed_ptr[3] = (((cp) & 0x3F) | 0x80); /* 10xxxxxx */
|
---|
| 605 | processed_ptr += 3;
|
---|
| 606 | } else { /* trail surrogate before lead surrogate */
|
---|
| 607 | return JSONFailure;
|
---|
| 608 | }
|
---|
| 609 | unprocessed_ptr += 3;
|
---|
| 610 | *processed = processed_ptr;
|
---|
| 611 | *unprocessed = unprocessed_ptr;
|
---|
| 612 | return JSONSuccess;
|
---|
| 613 | }
|
---|
| 614 |
|
---|
| 615 |
|
---|
| 616 | /* Copies and processes passed string up to supplied length.
|
---|
| 617 | Example: "\u006Corem ipsum" -> lorem ipsum */
|
---|
| 618 | static char* process_string(const char *input, size_t len) {
|
---|
| 619 | const char *input_ptr = input;
|
---|
| 620 | size_t initial_size = (len + 1) * sizeof(char);
|
---|
| 621 | size_t final_size = 0;
|
---|
| 622 | char *output = NULL, *output_ptr = NULL, *resized_output = NULL;
|
---|
| 623 | output = (char*)parson_malloc(initial_size);
|
---|
| 624 | if (output == NULL) {
|
---|
| 625 | goto error;
|
---|
| 626 | }
|
---|
| 627 | output_ptr = output;
|
---|
| 628 | while ((*input_ptr != '\0') && (size_t)(input_ptr - input) < len) {
|
---|
| 629 | if (*input_ptr == '\\') {
|
---|
| 630 | input_ptr++;
|
---|
| 631 | switch (*input_ptr) {
|
---|
| 632 | case '\"': *output_ptr = '\"'; break;
|
---|
| 633 | case '\\': *output_ptr = '\\'; break;
|
---|
| 634 | case '/': *output_ptr = '/'; break;
|
---|
| 635 | case 'b': *output_ptr = '\b'; break;
|
---|
| 636 | case 'f': *output_ptr = '\f'; break;
|
---|
| 637 | case 'n': *output_ptr = '\n'; break;
|
---|
| 638 | case 'r': *output_ptr = '\r'; break;
|
---|
| 639 | case 't': *output_ptr = '\t'; break;
|
---|
| 640 | case 'u':
|
---|
| 641 | if (parse_utf16(&input_ptr, &output_ptr) == JSONFailure) {
|
---|
| 642 | goto error;
|
---|
| 643 | }
|
---|
| 644 | break;
|
---|
| 645 | default:
|
---|
| 646 | goto error;
|
---|
| 647 | }
|
---|
| 648 | } else if ((unsigned char)*input_ptr < 0x20) {
|
---|
| 649 | goto error; /* 0x00-0x19 are invalid characters for json string (http://www.ietf.org/rfc/rfc4627.txt) */
|
---|
| 650 | } else {
|
---|
| 651 | *output_ptr = *input_ptr;
|
---|
| 652 | }
|
---|
| 653 | output_ptr++;
|
---|
| 654 | input_ptr++;
|
---|
| 655 | }
|
---|
| 656 | *output_ptr = '\0';
|
---|
| 657 | /* resize to new length */
|
---|
| 658 | final_size = (size_t)(output_ptr-output) + 1;
|
---|
| 659 | /* todo: don't resize if final_size == initial_size */
|
---|
| 660 | resized_output = (char*)parson_malloc(final_size);
|
---|
| 661 | if (resized_output == NULL) {
|
---|
| 662 | goto error;
|
---|
| 663 | }
|
---|
| 664 | memcpy(resized_output, output, final_size);
|
---|
| 665 | parson_free(output);
|
---|
| 666 | return resized_output;
|
---|
| 667 | error:
|
---|
| 668 | parson_free(output);
|
---|
| 669 | return NULL;
|
---|
| 670 | }
|
---|
| 671 |
|
---|
| 672 | /* Return processed contents of a string between quotes and
|
---|
| 673 | skips passed argument to a matching quote. */
|
---|
| 674 | static char * get_quoted_string(const char **string) {
|
---|
| 675 | const char *string_start = *string;
|
---|
| 676 | size_t string_len = 0;
|
---|
| 677 | JSON_Status status = skip_quotes(string);
|
---|
| 678 | if (status != JSONSuccess) {
|
---|
| 679 | return NULL;
|
---|
| 680 | }
|
---|
| 681 | string_len = *string - string_start - 2; /* length without quotes */
|
---|
| 682 | return process_string(string_start + 1, string_len);
|
---|
| 683 | }
|
---|
| 684 |
|
---|
| 685 | static JSON_Value * parse_value(const char **string, size_t nesting) {
|
---|
| 686 | if (nesting > MAX_NESTING) {
|
---|
| 687 | return NULL;
|
---|
| 688 | }
|
---|
| 689 | SKIP_WHITESPACES(string);
|
---|
| 690 | switch (**string) {
|
---|
| 691 | case '{':
|
---|
| 692 | return parse_object_value(string, nesting + 1);
|
---|
| 693 | case '[':
|
---|
| 694 | return parse_array_value(string, nesting + 1);
|
---|
| 695 | case '\"':
|
---|
| 696 | return parse_string_value(string);
|
---|
| 697 | case 'f': case 't':
|
---|
| 698 | return parse_boolean_value(string);
|
---|
| 699 | case '-':
|
---|
| 700 | case '0': case '1': case '2': case '3': case '4':
|
---|
| 701 | case '5': case '6': case '7': case '8': case '9':
|
---|
| 702 | return parse_number_value(string);
|
---|
| 703 | case 'n':
|
---|
| 704 | return parse_null_value(string);
|
---|
| 705 | default:
|
---|
| 706 | return NULL;
|
---|
| 707 | }
|
---|
| 708 | }
|
---|
| 709 |
|
---|
| 710 | static JSON_Value * parse_object_value(const char **string, size_t nesting) {
|
---|
| 711 | JSON_Value *output_value = NULL, *new_value = NULL;
|
---|
| 712 | JSON_Object *output_object = NULL;
|
---|
| 713 | char *new_key = NULL;
|
---|
| 714 | output_value = json_value_init_object();
|
---|
| 715 | if (output_value == NULL) {
|
---|
| 716 | return NULL;
|
---|
| 717 | }
|
---|
| 718 | if (**string != '{') {
|
---|
| 719 | json_value_free(output_value);
|
---|
| 720 | return NULL;
|
---|
| 721 | }
|
---|
| 722 | output_object = json_value_get_object(output_value);
|
---|
| 723 | SKIP_CHAR(string);
|
---|
| 724 | SKIP_WHITESPACES(string);
|
---|
| 725 | if (**string == '}') { /* empty object */
|
---|
| 726 | SKIP_CHAR(string);
|
---|
| 727 | return output_value;
|
---|
| 728 | }
|
---|
| 729 | while (**string != '\0') {
|
---|
| 730 | new_key = get_quoted_string(string);
|
---|
| 731 | if (new_key == NULL) {
|
---|
| 732 | json_value_free(output_value);
|
---|
| 733 | return NULL;
|
---|
| 734 | }
|
---|
| 735 | SKIP_WHITESPACES(string);
|
---|
| 736 | if (**string != ':') {
|
---|
| 737 | parson_free(new_key);
|
---|
| 738 | json_value_free(output_value);
|
---|
| 739 | return NULL;
|
---|
| 740 | }
|
---|
| 741 | SKIP_CHAR(string);
|
---|
| 742 | new_value = parse_value(string, nesting);
|
---|
| 743 | if (new_value == NULL) {
|
---|
| 744 | parson_free(new_key);
|
---|
| 745 | json_value_free(output_value);
|
---|
| 746 | return NULL;
|
---|
| 747 | }
|
---|
| 748 | if (json_object_add(output_object, new_key, new_value) == JSONFailure) {
|
---|
| 749 | parson_free(new_key);
|
---|
| 750 | json_value_free(new_value);
|
---|
| 751 | json_value_free(output_value);
|
---|
| 752 | return NULL;
|
---|
| 753 | }
|
---|
| 754 | parson_free(new_key);
|
---|
| 755 | SKIP_WHITESPACES(string);
|
---|
| 756 | if (**string != ',') {
|
---|
| 757 | break;
|
---|
| 758 | }
|
---|
| 759 | SKIP_CHAR(string);
|
---|
| 760 | SKIP_WHITESPACES(string);
|
---|
| 761 | }
|
---|
| 762 | SKIP_WHITESPACES(string);
|
---|
| 763 | if (**string != '}' || /* Trim object after parsing is over */
|
---|
| 764 | json_object_resize(output_object, json_object_get_count(output_object)) == JSONFailure) {
|
---|
| 765 | json_value_free(output_value);
|
---|
| 766 | return NULL;
|
---|
| 767 | }
|
---|
| 768 | SKIP_CHAR(string);
|
---|
| 769 | return output_value;
|
---|
| 770 | }
|
---|
| 771 |
|
---|
| 772 | static JSON_Value * parse_array_value(const char **string, size_t nesting) {
|
---|
| 773 | JSON_Value *output_value = NULL, *new_array_value = NULL;
|
---|
| 774 | JSON_Array *output_array = NULL;
|
---|
| 775 | output_value = json_value_init_array();
|
---|
| 776 | if (output_value == NULL) {
|
---|
| 777 | return NULL;
|
---|
| 778 | }
|
---|
| 779 | if (**string != '[') {
|
---|
| 780 | json_value_free(output_value);
|
---|
| 781 | return NULL;
|
---|
| 782 | }
|
---|
| 783 | output_array = json_value_get_array(output_value);
|
---|
| 784 | SKIP_CHAR(string);
|
---|
| 785 | SKIP_WHITESPACES(string);
|
---|
| 786 | if (**string == ']') { /* empty array */
|
---|
| 787 | SKIP_CHAR(string);
|
---|
| 788 | return output_value;
|
---|
| 789 | }
|
---|
| 790 | while (**string != '\0') {
|
---|
| 791 | new_array_value = parse_value(string, nesting);
|
---|
| 792 | if (new_array_value == NULL) {
|
---|
| 793 | json_value_free(output_value);
|
---|
| 794 | return NULL;
|
---|
| 795 | }
|
---|
| 796 | if (json_array_add(output_array, new_array_value) == JSONFailure) {
|
---|
| 797 | json_value_free(new_array_value);
|
---|
| 798 | json_value_free(output_value);
|
---|
| 799 | return NULL;
|
---|
| 800 | }
|
---|
| 801 | SKIP_WHITESPACES(string);
|
---|
| 802 | if (**string != ',') {
|
---|
| 803 | break;
|
---|
| 804 | }
|
---|
| 805 | SKIP_CHAR(string);
|
---|
| 806 | SKIP_WHITESPACES(string);
|
---|
| 807 | }
|
---|
| 808 | SKIP_WHITESPACES(string);
|
---|
| 809 | if (**string != ']' || /* Trim array after parsing is over */
|
---|
| 810 | json_array_resize(output_array, json_array_get_count(output_array)) == JSONFailure) {
|
---|
| 811 | json_value_free(output_value);
|
---|
| 812 | return NULL;
|
---|
| 813 | }
|
---|
| 814 | SKIP_CHAR(string);
|
---|
| 815 | return output_value;
|
---|
| 816 | }
|
---|
| 817 |
|
---|
| 818 | static JSON_Value * parse_string_value(const char **string) {
|
---|
| 819 | JSON_Value *value = NULL;
|
---|
| 820 | char *new_string = get_quoted_string(string);
|
---|
| 821 | if (new_string == NULL) {
|
---|
| 822 | return NULL;
|
---|
| 823 | }
|
---|
| 824 | value = json_value_init_string_no_copy(new_string);
|
---|
| 825 | if (value == NULL) {
|
---|
| 826 | parson_free(new_string);
|
---|
| 827 | return NULL;
|
---|
| 828 | }
|
---|
| 829 | return value;
|
---|
| 830 | }
|
---|
| 831 |
|
---|
| 832 | static JSON_Value * parse_boolean_value(const char **string) {
|
---|
| 833 | size_t true_token_size = SIZEOF_TOKEN("true");
|
---|
| 834 | size_t false_token_size = SIZEOF_TOKEN("false");
|
---|
| 835 | if (strncmp("true", *string, true_token_size) == 0) {
|
---|
| 836 | *string += true_token_size;
|
---|
| 837 | return json_value_init_boolean(1);
|
---|
| 838 | } else if (strncmp("false", *string, false_token_size) == 0) {
|
---|
| 839 | *string += false_token_size;
|
---|
| 840 | return json_value_init_boolean(0);
|
---|
| 841 | }
|
---|
| 842 | return NULL;
|
---|
| 843 | }
|
---|
| 844 |
|
---|
| 845 | static JSON_Value * parse_number_value(const char **string) {
|
---|
| 846 | char *end;
|
---|
| 847 | double number = 0;
|
---|
| 848 | errno = 0;
|
---|
| 849 | number = strtod(*string, &end);
|
---|
| 850 | if (errno || !is_decimal(*string, end - *string)) {
|
---|
| 851 | return NULL;
|
---|
| 852 | }
|
---|
| 853 | *string = end;
|
---|
| 854 | return json_value_init_number(number);
|
---|
| 855 | }
|
---|
| 856 |
|
---|
| 857 | static JSON_Value * parse_null_value(const char **string) {
|
---|
| 858 | size_t token_size = SIZEOF_TOKEN("null");
|
---|
| 859 | if (strncmp("null", *string, token_size) == 0) {
|
---|
| 860 | *string += token_size;
|
---|
| 861 | return json_value_init_null();
|
---|
| 862 | }
|
---|
| 863 | return NULL;
|
---|
| 864 | }
|
---|
| 865 |
|
---|
| 866 | /* Serialization */
|
---|
| 867 | #define APPEND_STRING(str) do { written = append_string(buf, (str));\
|
---|
| 868 | if (written < 0) { return -1; }\
|
---|
| 869 | if (buf != NULL) { buf += written; }\
|
---|
| 870 | written_total += written; } while(0)
|
---|
| 871 |
|
---|
| 872 | #define APPEND_INDENT(level) do { written = append_indent(buf, (level));\
|
---|
| 873 | if (written < 0) { return -1; }\
|
---|
| 874 | if (buf != NULL) { buf += written; }\
|
---|
| 875 | written_total += written; } while(0)
|
---|
| 876 |
|
---|
| 877 | static int json_serialize_to_buffer_r(const JSON_Value *value, char *buf, int level, int is_pretty, char *num_buf)
|
---|
| 878 | {
|
---|
| 879 | const char *key = NULL, *string = NULL;
|
---|
| 880 | JSON_Value *temp_value = NULL;
|
---|
| 881 | JSON_Array *array = NULL;
|
---|
| 882 | JSON_Object *object = NULL;
|
---|
| 883 | size_t i = 0, count = 0;
|
---|
| 884 | double num = 0.0;
|
---|
| 885 | int written = -1, written_total = 0;
|
---|
| 886 |
|
---|
| 887 | switch (json_value_get_type(value)) {
|
---|
| 888 | case JSONArray:
|
---|
| 889 | array = json_value_get_array(value);
|
---|
| 890 | count = json_array_get_count(array);
|
---|
| 891 | APPEND_STRING("[");
|
---|
| 892 | if (count > 0 && is_pretty) {
|
---|
| 893 | APPEND_STRING("\n");
|
---|
| 894 | }
|
---|
| 895 | for (i = 0; i < count; i++) {
|
---|
| 896 | if (is_pretty) {
|
---|
| 897 | APPEND_INDENT(level+1);
|
---|
| 898 | }
|
---|
| 899 | temp_value = json_array_get_value(array, i);
|
---|
| 900 | written = json_serialize_to_buffer_r(temp_value, buf, level+1, is_pretty, num_buf);
|
---|
| 901 | if (written < 0) {
|
---|
| 902 | return -1;
|
---|
| 903 | }
|
---|
| 904 | if (buf != NULL) {
|
---|
| 905 | buf += written;
|
---|
| 906 | }
|
---|
| 907 | written_total += written;
|
---|
| 908 | if (i < (count - 1)) {
|
---|
| 909 | APPEND_STRING(",");
|
---|
| 910 | }
|
---|
| 911 | if (is_pretty) {
|
---|
| 912 | APPEND_STRING("\n");
|
---|
| 913 | }
|
---|
| 914 | }
|
---|
| 915 | if (count > 0 && is_pretty) {
|
---|
| 916 | APPEND_INDENT(level);
|
---|
| 917 | }
|
---|
| 918 | APPEND_STRING("]");
|
---|
| 919 | return written_total;
|
---|
| 920 | case JSONObject:
|
---|
| 921 | object = json_value_get_object(value);
|
---|
| 922 | count = json_object_get_count(object);
|
---|
| 923 | APPEND_STRING("{");
|
---|
| 924 | if (count > 0 && is_pretty) {
|
---|
| 925 | APPEND_STRING("\n");
|
---|
| 926 | }
|
---|
| 927 | for (i = 0; i < count; i++) {
|
---|
| 928 | key = json_object_get_name(object, i);
|
---|
| 929 | if (key == NULL) {
|
---|
| 930 | return -1;
|
---|
| 931 | }
|
---|
| 932 | if (is_pretty) {
|
---|
| 933 | APPEND_INDENT(level+1);
|
---|
| 934 | }
|
---|
| 935 | written = json_serialize_string(key, buf);
|
---|
| 936 | if (written < 0) {
|
---|
| 937 | return -1;
|
---|
| 938 | }
|
---|
| 939 | if (buf != NULL) {
|
---|
| 940 | buf += written;
|
---|
| 941 | }
|
---|
| 942 | written_total += written;
|
---|
| 943 | APPEND_STRING(":");
|
---|
| 944 | if (is_pretty) {
|
---|
| 945 | APPEND_STRING(" ");
|
---|
| 946 | }
|
---|
| 947 | temp_value = json_object_get_value(object, key);
|
---|
| 948 | written = json_serialize_to_buffer_r(temp_value, buf, level+1, is_pretty, num_buf);
|
---|
| 949 | if (written < 0) {
|
---|
| 950 | return -1;
|
---|
| 951 | }
|
---|
| 952 | if (buf != NULL) {
|
---|
| 953 | buf += written;
|
---|
| 954 | }
|
---|
| 955 | written_total += written;
|
---|
| 956 | if (i < (count - 1)) {
|
---|
| 957 | APPEND_STRING(",");
|
---|
| 958 | }
|
---|
| 959 | if (is_pretty) {
|
---|
| 960 | APPEND_STRING("\n");
|
---|
| 961 | }
|
---|
| 962 | }
|
---|
| 963 | if (count > 0 && is_pretty) {
|
---|
| 964 | APPEND_INDENT(level);
|
---|
| 965 | }
|
---|
| 966 | APPEND_STRING("}");
|
---|
| 967 | return written_total;
|
---|
| 968 | case JSONString:
|
---|
| 969 | string = json_value_get_string(value);
|
---|
| 970 | if (string == NULL) {
|
---|
| 971 | return -1;
|
---|
| 972 | }
|
---|
| 973 | written = json_serialize_string(string, buf);
|
---|
| 974 | if (written < 0) {
|
---|
| 975 | return -1;
|
---|
| 976 | }
|
---|
| 977 | if (buf != NULL) {
|
---|
| 978 | buf += written;
|
---|
| 979 | }
|
---|
| 980 | written_total += written;
|
---|
| 981 | return written_total;
|
---|
| 982 | case JSONBoolean:
|
---|
| 983 | if (json_value_get_boolean(value)) {
|
---|
| 984 | APPEND_STRING("true");
|
---|
| 985 | } else {
|
---|
| 986 | APPEND_STRING("false");
|
---|
| 987 | }
|
---|
| 988 | return written_total;
|
---|
| 989 | case JSONNumber:
|
---|
| 990 | num = json_value_get_number(value);
|
---|
| 991 | if (buf != NULL) {
|
---|
| 992 | num_buf = buf;
|
---|
| 993 | }
|
---|
| 994 | written = sprintf(num_buf, FLOAT_FORMAT, num);
|
---|
| 995 | if (written < 0) {
|
---|
| 996 | return -1;
|
---|
| 997 | }
|
---|
| 998 | if (buf != NULL) {
|
---|
| 999 | buf += written;
|
---|
| 1000 | }
|
---|
| 1001 | written_total += written;
|
---|
| 1002 | return written_total;
|
---|
| 1003 | case JSONNull:
|
---|
| 1004 | APPEND_STRING("null");
|
---|
| 1005 | return written_total;
|
---|
| 1006 | case JSONError:
|
---|
| 1007 | return -1;
|
---|
| 1008 | default:
|
---|
| 1009 | return -1;
|
---|
| 1010 | }
|
---|
| 1011 | }
|
---|
| 1012 |
|
---|
| 1013 | static int json_serialize_string(const char *string, char *buf) {
|
---|
| 1014 | size_t i = 0, len = strlen(string);
|
---|
| 1015 | char c = '\0';
|
---|
| 1016 | int written = -1, written_total = 0;
|
---|
| 1017 | APPEND_STRING("\"");
|
---|
| 1018 | for (i = 0; i < len; i++) {
|
---|
| 1019 | c = string[i];
|
---|
| 1020 | switch (c) {
|
---|
| 1021 | case '\"': APPEND_STRING("\\\""); break;
|
---|
| 1022 | case '\\': APPEND_STRING("\\\\"); break;
|
---|
| 1023 | case '/': APPEND_STRING("\\/"); break; /* to make json embeddable in xml\/html */
|
---|
| 1024 | case '\b': APPEND_STRING("\\b"); break;
|
---|
| 1025 | case '\f': APPEND_STRING("\\f"); break;
|
---|
| 1026 | case '\n': APPEND_STRING("\\n"); break;
|
---|
| 1027 | case '\r': APPEND_STRING("\\r"); break;
|
---|
| 1028 | case '\t': APPEND_STRING("\\t"); break;
|
---|
| 1029 | case '\x00': APPEND_STRING("\\u0000"); break;
|
---|
| 1030 | case '\x01': APPEND_STRING("\\u0001"); break;
|
---|
| 1031 | case '\x02': APPEND_STRING("\\u0002"); break;
|
---|
| 1032 | case '\x03': APPEND_STRING("\\u0003"); break;
|
---|
| 1033 | case '\x04': APPEND_STRING("\\u0004"); break;
|
---|
| 1034 | case '\x05': APPEND_STRING("\\u0005"); break;
|
---|
| 1035 | case '\x06': APPEND_STRING("\\u0006"); break;
|
---|
| 1036 | case '\x07': APPEND_STRING("\\u0007"); break;
|
---|
| 1037 | /* '\x08' duplicate: '\b' */
|
---|
| 1038 | /* '\x09' duplicate: '\t' */
|
---|
| 1039 | /* '\x0a' duplicate: '\n' */
|
---|
| 1040 | case '\x0b': APPEND_STRING("\\u000b"); break;
|
---|
| 1041 | /* '\x0c' duplicate: '\f' */
|
---|
| 1042 | /* '\x0d' duplicate: '\r' */
|
---|
| 1043 | case '\x0e': APPEND_STRING("\\u000e"); break;
|
---|
| 1044 | case '\x0f': APPEND_STRING("\\u000f"); break;
|
---|
| 1045 | case '\x10': APPEND_STRING("\\u0010"); break;
|
---|
| 1046 | case '\x11': APPEND_STRING("\\u0011"); break;
|
---|
| 1047 | case '\x12': APPEND_STRING("\\u0012"); break;
|
---|
| 1048 | case '\x13': APPEND_STRING("\\u0013"); break;
|
---|
| 1049 | case '\x14': APPEND_STRING("\\u0014"); break;
|
---|
| 1050 | case '\x15': APPEND_STRING("\\u0015"); break;
|
---|
| 1051 | case '\x16': APPEND_STRING("\\u0016"); break;
|
---|
| 1052 | case '\x17': APPEND_STRING("\\u0017"); break;
|
---|
| 1053 | case '\x18': APPEND_STRING("\\u0018"); break;
|
---|
| 1054 | case '\x19': APPEND_STRING("\\u0019"); break;
|
---|
| 1055 | case '\x1a': APPEND_STRING("\\u001a"); break;
|
---|
| 1056 | case '\x1b': APPEND_STRING("\\u001b"); break;
|
---|
| 1057 | case '\x1c': APPEND_STRING("\\u001c"); break;
|
---|
| 1058 | case '\x1d': APPEND_STRING("\\u001d"); break;
|
---|
| 1059 | case '\x1e': APPEND_STRING("\\u001e"); break;
|
---|
| 1060 | case '\x1f': APPEND_STRING("\\u001f"); break;
|
---|
| 1061 | default:
|
---|
| 1062 | if (buf != NULL) {
|
---|
| 1063 | buf[0] = c;
|
---|
| 1064 | buf += 1;
|
---|
| 1065 | }
|
---|
| 1066 | written_total += 1;
|
---|
| 1067 | break;
|
---|
| 1068 | }
|
---|
| 1069 | }
|
---|
| 1070 | APPEND_STRING("\"");
|
---|
| 1071 | return written_total;
|
---|
| 1072 | }
|
---|
| 1073 |
|
---|
| 1074 | static int append_indent(char *buf, int level) {
|
---|
| 1075 | int i;
|
---|
| 1076 | int written = -1, written_total = 0;
|
---|
| 1077 | for (i = 0; i < level; i++) {
|
---|
| 1078 | APPEND_STRING(" ");
|
---|
| 1079 | }
|
---|
| 1080 | return written_total;
|
---|
| 1081 | }
|
---|
| 1082 |
|
---|
| 1083 | static int append_string(char *buf, const char *string) {
|
---|
| 1084 | if (buf == NULL) {
|
---|
| 1085 | return (int)strlen(string);
|
---|
| 1086 | }
|
---|
| 1087 | return sprintf(buf, "%s", string);
|
---|
| 1088 | }
|
---|
| 1089 |
|
---|
| 1090 | #undef APPEND_STRING
|
---|
| 1091 | #undef APPEND_INDENT
|
---|
| 1092 |
|
---|
| 1093 | /* Parser API */
|
---|
| 1094 | JSON_Value * json_parse_file(const char *filename) {
|
---|
| 1095 | char *file_contents = read_file(filename);
|
---|
| 1096 | JSON_Value *output_value = NULL;
|
---|
| 1097 | if (file_contents == NULL) {
|
---|
| 1098 | return NULL;
|
---|
| 1099 | }
|
---|
| 1100 | output_value = json_parse_string(file_contents);
|
---|
| 1101 | parson_free(file_contents);
|
---|
| 1102 | return output_value;
|
---|
| 1103 | }
|
---|
| 1104 |
|
---|
| 1105 | JSON_Value * json_parse_file_with_comments(const char *filename) {
|
---|
| 1106 | char *file_contents = read_file(filename);
|
---|
| 1107 | JSON_Value *output_value = NULL;
|
---|
| 1108 | if (file_contents == NULL) {
|
---|
| 1109 | return NULL;
|
---|
| 1110 | }
|
---|
| 1111 | output_value = json_parse_string_with_comments(file_contents);
|
---|
| 1112 | parson_free(file_contents);
|
---|
| 1113 | return output_value;
|
---|
| 1114 | }
|
---|
| 1115 |
|
---|
| 1116 | JSON_Value * json_parse_string(const char *string) {
|
---|
| 1117 | if (string == NULL) {
|
---|
| 1118 | return NULL;
|
---|
| 1119 | }
|
---|
| 1120 | if (string[0] == '\xEF' && string[1] == '\xBB' && string[2] == '\xBF') {
|
---|
| 1121 | string = string + 3; /* Support for UTF-8 BOM */
|
---|
| 1122 | }
|
---|
| 1123 | return parse_value((const char**)&string, 0);
|
---|
| 1124 | }
|
---|
| 1125 |
|
---|
| 1126 | JSON_Value * json_parse_string_with_comments(const char *string) {
|
---|
| 1127 | JSON_Value *result = NULL;
|
---|
| 1128 | char *string_mutable_copy = NULL, *string_mutable_copy_ptr = NULL;
|
---|
| 1129 | string_mutable_copy = parson_strdup(string);
|
---|
| 1130 | if (string_mutable_copy == NULL) {
|
---|
| 1131 | return NULL;
|
---|
| 1132 | }
|
---|
| 1133 | remove_comments(string_mutable_copy, "/*", "*/");
|
---|
| 1134 | remove_comments(string_mutable_copy, "//", "\n");
|
---|
| 1135 | string_mutable_copy_ptr = string_mutable_copy;
|
---|
| 1136 | result = parse_value((const char**)&string_mutable_copy_ptr, 0);
|
---|
| 1137 | parson_free(string_mutable_copy);
|
---|
| 1138 | return result;
|
---|
| 1139 | }
|
---|
| 1140 |
|
---|
| 1141 | /* JSON Object API */
|
---|
| 1142 |
|
---|
| 1143 | JSON_Value * json_object_get_value(const JSON_Object *object, const char *name) {
|
---|
| 1144 | if (object == NULL || name == NULL) {
|
---|
| 1145 | return NULL;
|
---|
| 1146 | }
|
---|
| 1147 | return json_object_getn_value(object, name, strlen(name));
|
---|
| 1148 | }
|
---|
| 1149 |
|
---|
| 1150 | const char * json_object_get_string(const JSON_Object *object, const char *name) {
|
---|
| 1151 | return json_value_get_string(json_object_get_value(object, name));
|
---|
| 1152 | }
|
---|
| 1153 |
|
---|
| 1154 | double json_object_get_number(const JSON_Object *object, const char *name) {
|
---|
| 1155 | return json_value_get_number(json_object_get_value(object, name));
|
---|
| 1156 | }
|
---|
| 1157 |
|
---|
| 1158 | JSON_Object * json_object_get_object(const JSON_Object *object, const char *name) {
|
---|
| 1159 | return json_value_get_object(json_object_get_value(object, name));
|
---|
| 1160 | }
|
---|
| 1161 |
|
---|
| 1162 | JSON_Array * json_object_get_array(const JSON_Object *object, const char *name) {
|
---|
| 1163 | return json_value_get_array(json_object_get_value(object, name));
|
---|
| 1164 | }
|
---|
| 1165 |
|
---|
| 1166 | int json_object_get_boolean(const JSON_Object *object, const char *name) {
|
---|
| 1167 | return json_value_get_boolean(json_object_get_value(object, name));
|
---|
| 1168 | }
|
---|
| 1169 |
|
---|
| 1170 | JSON_Value * json_object_dotget_value(const JSON_Object *object, const char *name) {
|
---|
| 1171 | const char *dot_position = strchr(name, '.');
|
---|
| 1172 | if (!dot_position) {
|
---|
| 1173 | return json_object_get_value(object, name);
|
---|
| 1174 | }
|
---|
| 1175 | object = json_value_get_object(json_object_getn_value(object, name, dot_position - name));
|
---|
| 1176 | return json_object_dotget_value(object, dot_position + 1);
|
---|
| 1177 | }
|
---|
| 1178 |
|
---|
| 1179 | const char * json_object_dotget_string(const JSON_Object *object, const char *name) {
|
---|
| 1180 | return json_value_get_string(json_object_dotget_value(object, name));
|
---|
| 1181 | }
|
---|
| 1182 |
|
---|
| 1183 | double json_object_dotget_number(const JSON_Object *object, const char *name) {
|
---|
| 1184 | return json_value_get_number(json_object_dotget_value(object, name));
|
---|
| 1185 | }
|
---|
| 1186 |
|
---|
| 1187 | JSON_Object * json_object_dotget_object(const JSON_Object *object, const char *name) {
|
---|
| 1188 | return json_value_get_object(json_object_dotget_value(object, name));
|
---|
| 1189 | }
|
---|
| 1190 |
|
---|
| 1191 | JSON_Array * json_object_dotget_array(const JSON_Object *object, const char *name) {
|
---|
| 1192 | return json_value_get_array(json_object_dotget_value(object, name));
|
---|
| 1193 | }
|
---|
| 1194 |
|
---|
| 1195 | int json_object_dotget_boolean(const JSON_Object *object, const char *name) {
|
---|
| 1196 | return json_value_get_boolean(json_object_dotget_value(object, name));
|
---|
| 1197 | }
|
---|
| 1198 |
|
---|
| 1199 | size_t json_object_get_count(const JSON_Object *object) {
|
---|
| 1200 | return object ? object->count : 0;
|
---|
| 1201 | }
|
---|
| 1202 |
|
---|
| 1203 | const char * json_object_get_name(const JSON_Object *object, size_t index) {
|
---|
| 1204 | if (object == NULL || index >= json_object_get_count(object)) {
|
---|
| 1205 | return NULL;
|
---|
| 1206 | }
|
---|
| 1207 | return object->names[index];
|
---|
| 1208 | }
|
---|
| 1209 |
|
---|
| 1210 | JSON_Value * json_object_get_value_at(const JSON_Object *object, size_t index) {
|
---|
| 1211 | if (object == NULL || index >= json_object_get_count(object)) {
|
---|
| 1212 | return NULL;
|
---|
| 1213 | }
|
---|
| 1214 | return object->values[index];
|
---|
| 1215 | }
|
---|
| 1216 |
|
---|
| 1217 | JSON_Value *json_object_get_wrapping_value(const JSON_Object *object) {
|
---|
| 1218 | return object->wrapping_value;
|
---|
| 1219 | }
|
---|
| 1220 |
|
---|
| 1221 | int json_object_has_value (const JSON_Object *object, const char *name) {
|
---|
| 1222 | return json_object_get_value(object, name) != NULL;
|
---|
| 1223 | }
|
---|
| 1224 |
|
---|
| 1225 | int json_object_has_value_of_type(const JSON_Object *object, const char *name, JSON_Value_Type type) {
|
---|
| 1226 | JSON_Value *val = json_object_get_value(object, name);
|
---|
| 1227 | return val != NULL && json_value_get_type(val) == type;
|
---|
| 1228 | }
|
---|
| 1229 |
|
---|
| 1230 | int json_object_dothas_value (const JSON_Object *object, const char *name) {
|
---|
| 1231 | return json_object_dotget_value(object, name) != NULL;
|
---|
| 1232 | }
|
---|
| 1233 |
|
---|
| 1234 | int json_object_dothas_value_of_type(const JSON_Object *object, const char *name, JSON_Value_Type type) {
|
---|
| 1235 | JSON_Value *val = json_object_dotget_value(object, name);
|
---|
| 1236 | return val != NULL && json_value_get_type(val) == type;
|
---|
| 1237 | }
|
---|
| 1238 |
|
---|
| 1239 | /* JSON Array API */
|
---|
| 1240 | JSON_Value * json_array_get_value(const JSON_Array *array, size_t index) {
|
---|
| 1241 | if (array == NULL || index >= json_array_get_count(array)) {
|
---|
| 1242 | return NULL;
|
---|
| 1243 | }
|
---|
| 1244 | return array->items[index];
|
---|
| 1245 | }
|
---|
| 1246 |
|
---|
| 1247 | const char * json_array_get_string(const JSON_Array *array, size_t index) {
|
---|
| 1248 | return json_value_get_string(json_array_get_value(array, index));
|
---|
| 1249 | }
|
---|
| 1250 |
|
---|
| 1251 | double json_array_get_number(const JSON_Array *array, size_t index) {
|
---|
| 1252 | return json_value_get_number(json_array_get_value(array, index));
|
---|
| 1253 | }
|
---|
| 1254 |
|
---|
| 1255 | JSON_Object * json_array_get_object(const JSON_Array *array, size_t index) {
|
---|
| 1256 | return json_value_get_object(json_array_get_value(array, index));
|
---|
| 1257 | }
|
---|
| 1258 |
|
---|
| 1259 | JSON_Array * json_array_get_array(const JSON_Array *array, size_t index) {
|
---|
| 1260 | return json_value_get_array(json_array_get_value(array, index));
|
---|
| 1261 | }
|
---|
| 1262 |
|
---|
| 1263 | int json_array_get_boolean(const JSON_Array *array, size_t index) {
|
---|
| 1264 | return json_value_get_boolean(json_array_get_value(array, index));
|
---|
| 1265 | }
|
---|
| 1266 |
|
---|
| 1267 | size_t json_array_get_count(const JSON_Array *array) {
|
---|
| 1268 | return array ? array->count : 0;
|
---|
| 1269 | }
|
---|
| 1270 |
|
---|
| 1271 | JSON_Value * json_array_get_wrapping_value(const JSON_Array *array) {
|
---|
| 1272 | return array->wrapping_value;
|
---|
| 1273 | }
|
---|
| 1274 |
|
---|
| 1275 | /* JSON Value API */
|
---|
| 1276 | JSON_Value_Type json_value_get_type(const JSON_Value *value) {
|
---|
| 1277 | return value ? value->type : JSONError;
|
---|
| 1278 | }
|
---|
| 1279 |
|
---|
| 1280 | JSON_Object * json_value_get_object(const JSON_Value *value) {
|
---|
| 1281 | return json_value_get_type(value) == JSONObject ? value->value.object : NULL;
|
---|
| 1282 | }
|
---|
| 1283 |
|
---|
| 1284 | JSON_Array * json_value_get_array(const JSON_Value *value) {
|
---|
| 1285 | return json_value_get_type(value) == JSONArray ? value->value.array : NULL;
|
---|
| 1286 | }
|
---|
| 1287 |
|
---|
| 1288 | const char * json_value_get_string(const JSON_Value *value) {
|
---|
| 1289 | return json_value_get_type(value) == JSONString ? value->value.string : NULL;
|
---|
| 1290 | }
|
---|
| 1291 |
|
---|
| 1292 | double json_value_get_number(const JSON_Value *value) {
|
---|
| 1293 | return json_value_get_type(value) == JSONNumber ? value->value.number : 0;
|
---|
| 1294 | }
|
---|
| 1295 |
|
---|
| 1296 | int json_value_get_boolean(const JSON_Value *value) {
|
---|
| 1297 | return json_value_get_type(value) == JSONBoolean ? value->value.boolean : -1;
|
---|
| 1298 | }
|
---|
| 1299 |
|
---|
| 1300 | JSON_Value * json_value_get_parent (const JSON_Value *value) {
|
---|
| 1301 | return value ? value->parent : NULL;
|
---|
| 1302 | }
|
---|
| 1303 |
|
---|
| 1304 | void json_value_free(JSON_Value *value) {
|
---|
| 1305 | switch (json_value_get_type(value)) {
|
---|
| 1306 | case JSONObject:
|
---|
| 1307 | json_object_free(value->value.object);
|
---|
| 1308 | break;
|
---|
| 1309 | case JSONString:
|
---|
| 1310 | parson_free(value->value.string);
|
---|
| 1311 | break;
|
---|
| 1312 | case JSONArray:
|
---|
| 1313 | json_array_free(value->value.array);
|
---|
| 1314 | break;
|
---|
| 1315 | default:
|
---|
| 1316 | break;
|
---|
| 1317 | }
|
---|
| 1318 | parson_free(value);
|
---|
| 1319 | }
|
---|
| 1320 |
|
---|
| 1321 | JSON_Value * json_value_init_object(void) {
|
---|
| 1322 | JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
|
---|
| 1323 | if (!new_value) {
|
---|
| 1324 | return NULL;
|
---|
| 1325 | }
|
---|
| 1326 | new_value->parent = NULL;
|
---|
| 1327 | new_value->type = JSONObject;
|
---|
| 1328 | new_value->value.object = json_object_init(new_value);
|
---|
| 1329 | if (!new_value->value.object) {
|
---|
| 1330 | parson_free(new_value);
|
---|
| 1331 | return NULL;
|
---|
| 1332 | }
|
---|
| 1333 | return new_value;
|
---|
| 1334 | }
|
---|
| 1335 |
|
---|
| 1336 | JSON_Value * json_value_init_array(void) {
|
---|
| 1337 | JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
|
---|
| 1338 | if (!new_value) {
|
---|
| 1339 | return NULL;
|
---|
| 1340 | }
|
---|
| 1341 | new_value->parent = NULL;
|
---|
| 1342 | new_value->type = JSONArray;
|
---|
| 1343 | new_value->value.array = json_array_init(new_value);
|
---|
| 1344 | if (!new_value->value.array) {
|
---|
| 1345 | parson_free(new_value);
|
---|
| 1346 | return NULL;
|
---|
| 1347 | }
|
---|
| 1348 | return new_value;
|
---|
| 1349 | }
|
---|
| 1350 |
|
---|
| 1351 | JSON_Value * json_value_init_string(const char *string) {
|
---|
| 1352 | char *copy = NULL;
|
---|
| 1353 | JSON_Value *value;
|
---|
| 1354 | size_t string_len = 0;
|
---|
| 1355 | if (string == NULL) {
|
---|
| 1356 | return NULL;
|
---|
| 1357 | }
|
---|
| 1358 | string_len = strlen(string);
|
---|
| 1359 | if (!is_valid_utf8(string, string_len)) {
|
---|
| 1360 | return NULL;
|
---|
| 1361 | }
|
---|
| 1362 | copy = parson_strndup(string, string_len);
|
---|
| 1363 | if (copy == NULL) {
|
---|
| 1364 | return NULL;
|
---|
| 1365 | }
|
---|
| 1366 | value = json_value_init_string_no_copy(copy);
|
---|
| 1367 | if (value == NULL) {
|
---|
| 1368 | parson_free(copy);
|
---|
| 1369 | }
|
---|
| 1370 | return value;
|
---|
| 1371 | }
|
---|
| 1372 |
|
---|
| 1373 | JSON_Value * json_value_init_number(double number) {
|
---|
| 1374 | JSON_Value *new_value = NULL;
|
---|
| 1375 | if (IS_NUMBER_INVALID(number)) {
|
---|
| 1376 | return NULL;
|
---|
| 1377 | }
|
---|
| 1378 | new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
|
---|
| 1379 | if (new_value == NULL) {
|
---|
| 1380 | return NULL;
|
---|
| 1381 | }
|
---|
| 1382 | new_value->parent = NULL;
|
---|
| 1383 | new_value->type = JSONNumber;
|
---|
| 1384 | new_value->value.number = number;
|
---|
| 1385 | return new_value;
|
---|
| 1386 | }
|
---|
| 1387 |
|
---|
| 1388 | JSON_Value * json_value_init_boolean(int boolean) {
|
---|
| 1389 | JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
|
---|
| 1390 | if (!new_value) {
|
---|
| 1391 | return NULL;
|
---|
| 1392 | }
|
---|
| 1393 | new_value->parent = NULL;
|
---|
| 1394 | new_value->type = JSONBoolean;
|
---|
| 1395 | new_value->value.boolean = boolean ? 1 : 0;
|
---|
| 1396 | return new_value;
|
---|
| 1397 | }
|
---|
| 1398 |
|
---|
| 1399 | JSON_Value * json_value_init_null(void) {
|
---|
| 1400 | JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
|
---|
| 1401 | if (!new_value) {
|
---|
| 1402 | return NULL;
|
---|
| 1403 | }
|
---|
| 1404 | new_value->parent = NULL;
|
---|
| 1405 | new_value->type = JSONNull;
|
---|
| 1406 | return new_value;
|
---|
| 1407 | }
|
---|
| 1408 |
|
---|
| 1409 | JSON_Value * json_value_deep_copy(const JSON_Value *value) {
|
---|
| 1410 | size_t i = 0;
|
---|
| 1411 | JSON_Value *return_value = NULL, *temp_value_copy = NULL, *temp_value = NULL;
|
---|
| 1412 | const char *temp_string = NULL, *temp_key = NULL;
|
---|
| 1413 | char *temp_string_copy = NULL;
|
---|
| 1414 | JSON_Array *temp_array = NULL, *temp_array_copy = NULL;
|
---|
| 1415 | JSON_Object *temp_object = NULL, *temp_object_copy = NULL;
|
---|
| 1416 |
|
---|
| 1417 | switch (json_value_get_type(value)) {
|
---|
| 1418 | case JSONArray:
|
---|
| 1419 | temp_array = json_value_get_array(value);
|
---|
| 1420 | return_value = json_value_init_array();
|
---|
| 1421 | if (return_value == NULL) {
|
---|
| 1422 | return NULL;
|
---|
| 1423 | }
|
---|
| 1424 | temp_array_copy = json_value_get_array(return_value);
|
---|
| 1425 | for (i = 0; i < json_array_get_count(temp_array); i++) {
|
---|
| 1426 | temp_value = json_array_get_value(temp_array, i);
|
---|
| 1427 | temp_value_copy = json_value_deep_copy(temp_value);
|
---|
| 1428 | if (temp_value_copy == NULL) {
|
---|
| 1429 | json_value_free(return_value);
|
---|
| 1430 | return NULL;
|
---|
| 1431 | }
|
---|
| 1432 | if (json_array_add(temp_array_copy, temp_value_copy) == JSONFailure) {
|
---|
| 1433 | json_value_free(return_value);
|
---|
| 1434 | json_value_free(temp_value_copy);
|
---|
| 1435 | return NULL;
|
---|
| 1436 | }
|
---|
| 1437 | }
|
---|
| 1438 | return return_value;
|
---|
| 1439 | case JSONObject:
|
---|
| 1440 | temp_object = json_value_get_object(value);
|
---|
| 1441 | return_value = json_value_init_object();
|
---|
| 1442 | if (return_value == NULL) {
|
---|
| 1443 | return NULL;
|
---|
| 1444 | }
|
---|
| 1445 | temp_object_copy = json_value_get_object(return_value);
|
---|
| 1446 | for (i = 0; i < json_object_get_count(temp_object); i++) {
|
---|
| 1447 | temp_key = json_object_get_name(temp_object, i);
|
---|
| 1448 | temp_value = json_object_get_value(temp_object, temp_key);
|
---|
| 1449 | temp_value_copy = json_value_deep_copy(temp_value);
|
---|
| 1450 | if (temp_value_copy == NULL) {
|
---|
| 1451 | json_value_free(return_value);
|
---|
| 1452 | return NULL;
|
---|
| 1453 | }
|
---|
| 1454 | if (json_object_add(temp_object_copy, temp_key, temp_value_copy) == JSONFailure) {
|
---|
| 1455 | json_value_free(return_value);
|
---|
| 1456 | json_value_free(temp_value_copy);
|
---|
| 1457 | return NULL;
|
---|
| 1458 | }
|
---|
| 1459 | }
|
---|
| 1460 | return return_value;
|
---|
| 1461 | case JSONBoolean:
|
---|
| 1462 | return json_value_init_boolean(json_value_get_boolean(value));
|
---|
| 1463 | case JSONNumber:
|
---|
| 1464 | return json_value_init_number(json_value_get_number(value));
|
---|
| 1465 | case JSONString:
|
---|
| 1466 | temp_string = json_value_get_string(value);
|
---|
| 1467 | if (temp_string == NULL) {
|
---|
| 1468 | return NULL;
|
---|
| 1469 | }
|
---|
| 1470 | temp_string_copy = parson_strdup(temp_string);
|
---|
| 1471 | if (temp_string_copy == NULL) {
|
---|
| 1472 | return NULL;
|
---|
| 1473 | }
|
---|
| 1474 | return_value = json_value_init_string_no_copy(temp_string_copy);
|
---|
| 1475 | if (return_value == NULL) {
|
---|
| 1476 | parson_free(temp_string_copy);
|
---|
| 1477 | }
|
---|
| 1478 | return return_value;
|
---|
| 1479 | case JSONNull:
|
---|
| 1480 | return json_value_init_null();
|
---|
| 1481 | case JSONError:
|
---|
| 1482 | return NULL;
|
---|
| 1483 | default:
|
---|
| 1484 | return NULL;
|
---|
| 1485 | }
|
---|
| 1486 | }
|
---|
| 1487 |
|
---|
| 1488 | size_t json_serialization_size(const JSON_Value *value) {
|
---|
| 1489 | char num_buf[NUM_BUF_SIZE]; /* recursively allocating buffer on stack is a bad idea, so let's do it only once */
|
---|
| 1490 | int res = json_serialize_to_buffer_r(value, NULL, 0, 0, num_buf);
|
---|
| 1491 | return res < 0 ? 0 : (size_t)(res + 1);
|
---|
| 1492 | }
|
---|
| 1493 |
|
---|
| 1494 | JSON_Status json_serialize_to_buffer(const JSON_Value *value, char *buf, size_t buf_size_in_bytes) {
|
---|
| 1495 | int written = -1;
|
---|
| 1496 | size_t needed_size_in_bytes = json_serialization_size(value);
|
---|
| 1497 | if (needed_size_in_bytes == 0 || buf_size_in_bytes < needed_size_in_bytes) {
|
---|
| 1498 | return JSONFailure;
|
---|
| 1499 | }
|
---|
| 1500 | written = json_serialize_to_buffer_r(value, buf, 0, 0, NULL);
|
---|
| 1501 | if (written < 0) {
|
---|
| 1502 | return JSONFailure;
|
---|
| 1503 | }
|
---|
| 1504 | return JSONSuccess;
|
---|
| 1505 | }
|
---|
| 1506 |
|
---|
| 1507 | JSON_Status json_serialize_to_file(const JSON_Value *value, const char *filename) {
|
---|
| 1508 | JSON_Status return_code = JSONSuccess;
|
---|
| 1509 | FILE *fp = NULL;
|
---|
| 1510 | char *serialized_string = json_serialize_to_string(value);
|
---|
| 1511 | if (serialized_string == NULL) {
|
---|
| 1512 | return JSONFailure;
|
---|
| 1513 | }
|
---|
| 1514 | fp = fopen(filename, "w");
|
---|
| 1515 | if (fp == NULL) {
|
---|
| 1516 | json_free_serialized_string(serialized_string);
|
---|
| 1517 | return JSONFailure;
|
---|
| 1518 | }
|
---|
| 1519 | if (fputs(serialized_string, fp) == EOF) {
|
---|
| 1520 | return_code = JSONFailure;
|
---|
| 1521 | }
|
---|
| 1522 | if (fclose(fp) == EOF) {
|
---|
| 1523 | return_code = JSONFailure;
|
---|
| 1524 | }
|
---|
| 1525 | json_free_serialized_string(serialized_string);
|
---|
| 1526 | return return_code;
|
---|
| 1527 | }
|
---|
| 1528 |
|
---|
| 1529 | char * json_serialize_to_string(const JSON_Value *value) {
|
---|
| 1530 | JSON_Status serialization_result = JSONFailure;
|
---|
| 1531 | size_t buf_size_bytes = json_serialization_size(value);
|
---|
| 1532 | char *buf = NULL;
|
---|
| 1533 | if (buf_size_bytes == 0) {
|
---|
| 1534 | return NULL;
|
---|
| 1535 | }
|
---|
| 1536 | buf = (char*)parson_malloc(buf_size_bytes);
|
---|
| 1537 | if (buf == NULL) {
|
---|
| 1538 | return NULL;
|
---|
| 1539 | }
|
---|
| 1540 | serialization_result = json_serialize_to_buffer(value, buf, buf_size_bytes);
|
---|
| 1541 | if (serialization_result == JSONFailure) {
|
---|
| 1542 | json_free_serialized_string(buf);
|
---|
| 1543 | return NULL;
|
---|
| 1544 | }
|
---|
| 1545 | return buf;
|
---|
| 1546 | }
|
---|
| 1547 |
|
---|
| 1548 | size_t json_serialization_size_pretty(const JSON_Value *value) {
|
---|
| 1549 | char num_buf[NUM_BUF_SIZE]; /* recursively allocating buffer on stack is a bad idea, so let's do it only once */
|
---|
| 1550 | int res = json_serialize_to_buffer_r(value, NULL, 0, 1, num_buf);
|
---|
| 1551 | return res < 0 ? 0 : (size_t)(res + 1);
|
---|
| 1552 | }
|
---|
| 1553 |
|
---|
| 1554 | JSON_Status json_serialize_to_buffer_pretty(const JSON_Value *value, char *buf, size_t buf_size_in_bytes) {
|
---|
| 1555 | int written = -1;
|
---|
| 1556 | size_t needed_size_in_bytes = json_serialization_size_pretty(value);
|
---|
| 1557 | if (needed_size_in_bytes == 0 || buf_size_in_bytes < needed_size_in_bytes) {
|
---|
| 1558 | return JSONFailure;
|
---|
| 1559 | }
|
---|
| 1560 | written = json_serialize_to_buffer_r(value, buf, 0, 1, NULL);
|
---|
| 1561 | if (written < 0) {
|
---|
| 1562 | return JSONFailure;
|
---|
| 1563 | }
|
---|
| 1564 | return JSONSuccess;
|
---|
| 1565 | }
|
---|
| 1566 |
|
---|
| 1567 | JSON_Status json_serialize_to_file_pretty(const JSON_Value *value, const char *filename) {
|
---|
| 1568 | JSON_Status return_code = JSONSuccess;
|
---|
| 1569 | FILE *fp = NULL;
|
---|
| 1570 | char *serialized_string = json_serialize_to_string_pretty(value);
|
---|
| 1571 | if (serialized_string == NULL) {
|
---|
| 1572 | return JSONFailure;
|
---|
| 1573 | }
|
---|
| 1574 | fp = fopen(filename, "w");
|
---|
| 1575 | if (fp == NULL) {
|
---|
| 1576 | json_free_serialized_string(serialized_string);
|
---|
| 1577 | return JSONFailure;
|
---|
| 1578 | }
|
---|
| 1579 | if (fputs(serialized_string, fp) == EOF) {
|
---|
| 1580 | return_code = JSONFailure;
|
---|
| 1581 | }
|
---|
| 1582 | if (fclose(fp) == EOF) {
|
---|
| 1583 | return_code = JSONFailure;
|
---|
| 1584 | }
|
---|
| 1585 | json_free_serialized_string(serialized_string);
|
---|
| 1586 | return return_code;
|
---|
| 1587 | }
|
---|
| 1588 |
|
---|
| 1589 | char * json_serialize_to_string_pretty(const JSON_Value *value) {
|
---|
| 1590 | JSON_Status serialization_result = JSONFailure;
|
---|
| 1591 | size_t buf_size_bytes = json_serialization_size_pretty(value);
|
---|
| 1592 | char *buf = NULL;
|
---|
| 1593 | if (buf_size_bytes == 0) {
|
---|
| 1594 | return NULL;
|
---|
| 1595 | }
|
---|
| 1596 | buf = (char*)parson_malloc(buf_size_bytes);
|
---|
| 1597 | if (buf == NULL) {
|
---|
| 1598 | return NULL;
|
---|
| 1599 | }
|
---|
| 1600 | serialization_result = json_serialize_to_buffer_pretty(value, buf, buf_size_bytes);
|
---|
| 1601 | if (serialization_result == JSONFailure) {
|
---|
| 1602 | json_free_serialized_string(buf);
|
---|
| 1603 | return NULL;
|
---|
| 1604 | }
|
---|
| 1605 | return buf;
|
---|
| 1606 | }
|
---|
| 1607 |
|
---|
| 1608 | void json_free_serialized_string(char *string) {
|
---|
| 1609 | parson_free(string);
|
---|
| 1610 | }
|
---|
| 1611 |
|
---|
| 1612 | JSON_Status json_array_remove(JSON_Array *array, size_t ix) {
|
---|
| 1613 | size_t to_move_bytes = 0;
|
---|
| 1614 | if (array == NULL || ix >= json_array_get_count(array)) {
|
---|
| 1615 | return JSONFailure;
|
---|
| 1616 | }
|
---|
| 1617 | json_value_free(json_array_get_value(array, ix));
|
---|
| 1618 | to_move_bytes = (json_array_get_count(array) - 1 - ix) * sizeof(JSON_Value*);
|
---|
| 1619 | memmove(array->items + ix, array->items + ix + 1, to_move_bytes);
|
---|
| 1620 | array->count -= 1;
|
---|
| 1621 | return JSONSuccess;
|
---|
| 1622 | }
|
---|
| 1623 |
|
---|
| 1624 | JSON_Status json_array_replace_value(JSON_Array *array, size_t ix, JSON_Value *value) {
|
---|
| 1625 | if (array == NULL || value == NULL || value->parent != NULL || ix >= json_array_get_count(array)) {
|
---|
| 1626 | return JSONFailure;
|
---|
| 1627 | }
|
---|
| 1628 | json_value_free(json_array_get_value(array, ix));
|
---|
| 1629 | value->parent = json_array_get_wrapping_value(array);
|
---|
| 1630 | array->items[ix] = value;
|
---|
| 1631 | return JSONSuccess;
|
---|
| 1632 | }
|
---|
| 1633 |
|
---|
| 1634 | JSON_Status json_array_replace_string(JSON_Array *array, size_t i, const char* string) {
|
---|
| 1635 | JSON_Value *value = json_value_init_string(string);
|
---|
| 1636 | if (value == NULL) {
|
---|
| 1637 | return JSONFailure;
|
---|
| 1638 | }
|
---|
| 1639 | if (json_array_replace_value(array, i, value) == JSONFailure) {
|
---|
| 1640 | json_value_free(value);
|
---|
| 1641 | return JSONFailure;
|
---|
| 1642 | }
|
---|
| 1643 | return JSONSuccess;
|
---|
| 1644 | }
|
---|
| 1645 |
|
---|
| 1646 | JSON_Status json_array_replace_number(JSON_Array *array, size_t i, double number) {
|
---|
| 1647 | JSON_Value *value = json_value_init_number(number);
|
---|
| 1648 | if (value == NULL) {
|
---|
| 1649 | return JSONFailure;
|
---|
| 1650 | }
|
---|
| 1651 | if (json_array_replace_value(array, i, value) == JSONFailure) {
|
---|
| 1652 | json_value_free(value);
|
---|
| 1653 | return JSONFailure;
|
---|
| 1654 | }
|
---|
| 1655 | return JSONSuccess;
|
---|
| 1656 | }
|
---|
| 1657 |
|
---|
| 1658 | JSON_Status json_array_replace_boolean(JSON_Array *array, size_t i, int boolean) {
|
---|
| 1659 | JSON_Value *value = json_value_init_boolean(boolean);
|
---|
| 1660 | if (value == NULL) {
|
---|
| 1661 | return JSONFailure;
|
---|
| 1662 | }
|
---|
| 1663 | if (json_array_replace_value(array, i, value) == JSONFailure) {
|
---|
| 1664 | json_value_free(value);
|
---|
| 1665 | return JSONFailure;
|
---|
| 1666 | }
|
---|
| 1667 | return JSONSuccess;
|
---|
| 1668 | }
|
---|
| 1669 |
|
---|
| 1670 | JSON_Status json_array_replace_null(JSON_Array *array, size_t i) {
|
---|
| 1671 | JSON_Value *value = json_value_init_null();
|
---|
| 1672 | if (value == NULL) {
|
---|
| 1673 | return JSONFailure;
|
---|
| 1674 | }
|
---|
| 1675 | if (json_array_replace_value(array, i, value) == JSONFailure) {
|
---|
| 1676 | json_value_free(value);
|
---|
| 1677 | return JSONFailure;
|
---|
| 1678 | }
|
---|
| 1679 | return JSONSuccess;
|
---|
| 1680 | }
|
---|
| 1681 |
|
---|
| 1682 | JSON_Status json_array_clear(JSON_Array *array) {
|
---|
| 1683 | size_t i = 0;
|
---|
| 1684 | if (array == NULL) {
|
---|
| 1685 | return JSONFailure;
|
---|
| 1686 | }
|
---|
| 1687 | for (i = 0; i < json_array_get_count(array); i++) {
|
---|
| 1688 | json_value_free(json_array_get_value(array, i));
|
---|
| 1689 | }
|
---|
| 1690 | array->count = 0;
|
---|
| 1691 | return JSONSuccess;
|
---|
| 1692 | }
|
---|
| 1693 |
|
---|
| 1694 | JSON_Status json_array_append_value(JSON_Array *array, JSON_Value *value) {
|
---|
| 1695 | if (array == NULL || value == NULL || value->parent != NULL) {
|
---|
| 1696 | return JSONFailure;
|
---|
| 1697 | }
|
---|
| 1698 | return json_array_add(array, value);
|
---|
| 1699 | }
|
---|
| 1700 |
|
---|
| 1701 | JSON_Status json_array_append_string(JSON_Array *array, const char *string) {
|
---|
| 1702 | JSON_Value *value = json_value_init_string(string);
|
---|
| 1703 | if (value == NULL) {
|
---|
| 1704 | return JSONFailure;
|
---|
| 1705 | }
|
---|
| 1706 | if (json_array_append_value(array, value) == JSONFailure) {
|
---|
| 1707 | json_value_free(value);
|
---|
| 1708 | return JSONFailure;
|
---|
| 1709 | }
|
---|
| 1710 | return JSONSuccess;
|
---|
| 1711 | }
|
---|
| 1712 |
|
---|
| 1713 | JSON_Status json_array_append_number(JSON_Array *array, double number) {
|
---|
| 1714 | JSON_Value *value = json_value_init_number(number);
|
---|
| 1715 | if (value == NULL) {
|
---|
| 1716 | return JSONFailure;
|
---|
| 1717 | }
|
---|
| 1718 | if (json_array_append_value(array, value) == JSONFailure) {
|
---|
| 1719 | json_value_free(value);
|
---|
| 1720 | return JSONFailure;
|
---|
| 1721 | }
|
---|
| 1722 | return JSONSuccess;
|
---|
| 1723 | }
|
---|
| 1724 |
|
---|
| 1725 | JSON_Status json_array_append_boolean(JSON_Array *array, int boolean) {
|
---|
| 1726 | JSON_Value *value = json_value_init_boolean(boolean);
|
---|
| 1727 | if (value == NULL) {
|
---|
| 1728 | return JSONFailure;
|
---|
| 1729 | }
|
---|
| 1730 | if (json_array_append_value(array, value) == JSONFailure) {
|
---|
| 1731 | json_value_free(value);
|
---|
| 1732 | return JSONFailure;
|
---|
| 1733 | }
|
---|
| 1734 | return JSONSuccess;
|
---|
| 1735 | }
|
---|
| 1736 |
|
---|
| 1737 | JSON_Status json_array_append_null(JSON_Array *array) {
|
---|
| 1738 | JSON_Value *value = json_value_init_null();
|
---|
| 1739 | if (value == NULL) {
|
---|
| 1740 | return JSONFailure;
|
---|
| 1741 | }
|
---|
| 1742 | if (json_array_append_value(array, value) == JSONFailure) {
|
---|
| 1743 | json_value_free(value);
|
---|
| 1744 | return JSONFailure;
|
---|
| 1745 | }
|
---|
| 1746 | return JSONSuccess;
|
---|
| 1747 | }
|
---|
| 1748 |
|
---|
| 1749 | JSON_Status json_object_set_value(JSON_Object *object, const char *name, JSON_Value *value) {
|
---|
| 1750 | size_t i = 0;
|
---|
| 1751 | JSON_Value *old_value;
|
---|
| 1752 | if (object == NULL || name == NULL || value == NULL || value->parent != NULL) {
|
---|
| 1753 | return JSONFailure;
|
---|
| 1754 | }
|
---|
| 1755 | old_value = json_object_get_value(object, name);
|
---|
| 1756 | if (old_value != NULL) { /* free and overwrite old value */
|
---|
| 1757 | json_value_free(old_value);
|
---|
| 1758 | for (i = 0; i < json_object_get_count(object); i++) {
|
---|
| 1759 | if (strcmp(object->names[i], name) == 0) {
|
---|
| 1760 | value->parent = json_object_get_wrapping_value(object);
|
---|
| 1761 | object->values[i] = value;
|
---|
| 1762 | return JSONSuccess;
|
---|
| 1763 | }
|
---|
| 1764 | }
|
---|
| 1765 | }
|
---|
| 1766 | /* add new key value pair */
|
---|
| 1767 | return json_object_add(object, name, value);
|
---|
| 1768 | }
|
---|
| 1769 |
|
---|
| 1770 | JSON_Status json_object_set_string(JSON_Object *object, const char *name, const char *string) {
|
---|
| 1771 | return json_object_set_value(object, name, json_value_init_string(string));
|
---|
| 1772 | }
|
---|
| 1773 |
|
---|
| 1774 | JSON_Status json_object_set_number(JSON_Object *object, const char *name, double number) {
|
---|
| 1775 | return json_object_set_value(object, name, json_value_init_number(number));
|
---|
| 1776 | }
|
---|
| 1777 |
|
---|
| 1778 | JSON_Status json_object_set_boolean(JSON_Object *object, const char *name, int boolean) {
|
---|
| 1779 | return json_object_set_value(object, name, json_value_init_boolean(boolean));
|
---|
| 1780 | }
|
---|
| 1781 |
|
---|
| 1782 | JSON_Status json_object_set_null(JSON_Object *object, const char *name) {
|
---|
| 1783 | return json_object_set_value(object, name, json_value_init_null());
|
---|
| 1784 | }
|
---|
| 1785 |
|
---|
| 1786 | JSON_Status json_object_dotset_value(JSON_Object *object, const char *name, JSON_Value *value) {
|
---|
| 1787 | const char *dot_pos = NULL;
|
---|
| 1788 | JSON_Value *temp_value = NULL, *new_value = NULL;
|
---|
| 1789 | JSON_Object *temp_object = NULL, *new_object = NULL;
|
---|
| 1790 | JSON_Status status = JSONFailure;
|
---|
| 1791 | size_t name_len = 0;
|
---|
| 1792 | if (object == NULL || name == NULL || value == NULL) {
|
---|
| 1793 | return JSONFailure;
|
---|
| 1794 | }
|
---|
| 1795 | dot_pos = strchr(name, '.');
|
---|
| 1796 | if (dot_pos == NULL) {
|
---|
| 1797 | return json_object_set_value(object, name, value);
|
---|
| 1798 | }
|
---|
| 1799 | name_len = dot_pos - name;
|
---|
| 1800 | temp_value = json_object_getn_value(object, name, name_len);
|
---|
| 1801 | if (temp_value) {
|
---|
| 1802 | /* Don't overwrite existing non-object (unlike json_object_set_value, but it shouldn't be changed at this point) */
|
---|
| 1803 | if (json_value_get_type(temp_value) != JSONObject) {
|
---|
| 1804 | return JSONFailure;
|
---|
| 1805 | }
|
---|
| 1806 | temp_object = json_value_get_object(temp_value);
|
---|
| 1807 | return json_object_dotset_value(temp_object, dot_pos + 1, value);
|
---|
| 1808 | }
|
---|
| 1809 | new_value = json_value_init_object();
|
---|
| 1810 | if (new_value == NULL) {
|
---|
| 1811 | return JSONFailure;
|
---|
| 1812 | }
|
---|
| 1813 | new_object = json_value_get_object(new_value);
|
---|
| 1814 | status = json_object_dotset_value(new_object, dot_pos + 1, value);
|
---|
| 1815 | if (status != JSONSuccess) {
|
---|
| 1816 | json_value_free(new_value);
|
---|
| 1817 | return JSONFailure;
|
---|
| 1818 | }
|
---|
| 1819 | status = json_object_addn(object, name, name_len, new_value);
|
---|
| 1820 | if (status != JSONSuccess) {
|
---|
| 1821 | json_object_dotremove_internal(new_object, dot_pos + 1, 0);
|
---|
| 1822 | json_value_free(new_value);
|
---|
| 1823 | return JSONFailure;
|
---|
| 1824 | }
|
---|
| 1825 | return JSONSuccess;
|
---|
| 1826 | }
|
---|
| 1827 |
|
---|
| 1828 | JSON_Status json_object_dotset_string(JSON_Object *object, const char *name, const char *string) {
|
---|
| 1829 | JSON_Value *value = json_value_init_string(string);
|
---|
| 1830 | if (value == NULL) {
|
---|
| 1831 | return JSONFailure;
|
---|
| 1832 | }
|
---|
| 1833 | if (json_object_dotset_value(object, name, value) == JSONFailure) {
|
---|
| 1834 | json_value_free(value);
|
---|
| 1835 | return JSONFailure;
|
---|
| 1836 | }
|
---|
| 1837 | return JSONSuccess;
|
---|
| 1838 | }
|
---|
| 1839 |
|
---|
| 1840 | JSON_Status json_object_dotset_number(JSON_Object *object, const char *name, double number) {
|
---|
| 1841 | JSON_Value *value = json_value_init_number(number);
|
---|
| 1842 | if (value == NULL) {
|
---|
| 1843 | return JSONFailure;
|
---|
| 1844 | }
|
---|
| 1845 | if (json_object_dotset_value(object, name, value) == JSONFailure) {
|
---|
| 1846 | json_value_free(value);
|
---|
| 1847 | return JSONFailure;
|
---|
| 1848 | }
|
---|
| 1849 | return JSONSuccess;
|
---|
| 1850 | }
|
---|
| 1851 |
|
---|
| 1852 | JSON_Status json_object_dotset_boolean(JSON_Object *object, const char *name, int boolean) {
|
---|
| 1853 | JSON_Value *value = json_value_init_boolean(boolean);
|
---|
| 1854 | if (value == NULL) {
|
---|
| 1855 | return JSONFailure;
|
---|
| 1856 | }
|
---|
| 1857 | if (json_object_dotset_value(object, name, value) == JSONFailure) {
|
---|
| 1858 | json_value_free(value);
|
---|
| 1859 | return JSONFailure;
|
---|
| 1860 | }
|
---|
| 1861 | return JSONSuccess;
|
---|
| 1862 | }
|
---|
| 1863 |
|
---|
| 1864 | JSON_Status json_object_dotset_null(JSON_Object *object, const char *name) {
|
---|
| 1865 | JSON_Value *value = json_value_init_null();
|
---|
| 1866 | if (value == NULL) {
|
---|
| 1867 | return JSONFailure;
|
---|
| 1868 | }
|
---|
| 1869 | if (json_object_dotset_value(object, name, value) == JSONFailure) {
|
---|
| 1870 | json_value_free(value);
|
---|
| 1871 | return JSONFailure;
|
---|
| 1872 | }
|
---|
| 1873 | return JSONSuccess;
|
---|
| 1874 | }
|
---|
| 1875 |
|
---|
| 1876 | JSON_Status json_object_remove(JSON_Object *object, const char *name) {
|
---|
| 1877 | return json_object_remove_internal(object, name, 1);
|
---|
| 1878 | }
|
---|
| 1879 |
|
---|
| 1880 | JSON_Status json_object_dotremove(JSON_Object *object, const char *name) {
|
---|
| 1881 | return json_object_dotremove_internal(object, name, 1);
|
---|
| 1882 | }
|
---|
| 1883 |
|
---|
| 1884 | JSON_Status json_object_clear(JSON_Object *object) {
|
---|
| 1885 | size_t i = 0;
|
---|
| 1886 | if (object == NULL) {
|
---|
| 1887 | return JSONFailure;
|
---|
| 1888 | }
|
---|
| 1889 | for (i = 0; i < json_object_get_count(object); i++) {
|
---|
| 1890 | parson_free(object->names[i]);
|
---|
| 1891 | json_value_free(object->values[i]);
|
---|
| 1892 | }
|
---|
| 1893 | object->count = 0;
|
---|
| 1894 | return JSONSuccess;
|
---|
| 1895 | }
|
---|
| 1896 |
|
---|
| 1897 | JSON_Status json_validate(const JSON_Value *schema, const JSON_Value *value) {
|
---|
| 1898 | JSON_Value *temp_schema_value = NULL, *temp_value = NULL;
|
---|
| 1899 | JSON_Array *schema_array = NULL, *value_array = NULL;
|
---|
| 1900 | JSON_Object *schema_object = NULL, *value_object = NULL;
|
---|
| 1901 | JSON_Value_Type schema_type = JSONError, value_type = JSONError;
|
---|
| 1902 | const char *key = NULL;
|
---|
| 1903 | size_t i = 0, count = 0;
|
---|
| 1904 | if (schema == NULL || value == NULL) {
|
---|
| 1905 | return JSONFailure;
|
---|
| 1906 | }
|
---|
| 1907 | schema_type = json_value_get_type(schema);
|
---|
| 1908 | value_type = json_value_get_type(value);
|
---|
| 1909 | if (schema_type != value_type && schema_type != JSONNull) { /* null represents all values */
|
---|
| 1910 | return JSONFailure;
|
---|
| 1911 | }
|
---|
| 1912 | switch (schema_type) {
|
---|
| 1913 | case JSONArray:
|
---|
| 1914 | schema_array = json_value_get_array(schema);
|
---|
| 1915 | value_array = json_value_get_array(value);
|
---|
| 1916 | count = json_array_get_count(schema_array);
|
---|
| 1917 | if (count == 0) {
|
---|
| 1918 | return JSONSuccess; /* Empty array allows all types */
|
---|
| 1919 | }
|
---|
| 1920 | /* Get first value from array, rest is ignored */
|
---|
| 1921 | temp_schema_value = json_array_get_value(schema_array, 0);
|
---|
| 1922 | for (i = 0; i < json_array_get_count(value_array); i++) {
|
---|
| 1923 | temp_value = json_array_get_value(value_array, i);
|
---|
| 1924 | if (json_validate(temp_schema_value, temp_value) == JSONFailure) {
|
---|
| 1925 | return JSONFailure;
|
---|
| 1926 | }
|
---|
| 1927 | }
|
---|
| 1928 | return JSONSuccess;
|
---|
| 1929 | case JSONObject:
|
---|
| 1930 | schema_object = json_value_get_object(schema);
|
---|
| 1931 | value_object = json_value_get_object(value);
|
---|
| 1932 | count = json_object_get_count(schema_object);
|
---|
| 1933 | if (count == 0) {
|
---|
| 1934 | return JSONSuccess; /* Empty object allows all objects */
|
---|
| 1935 | } else if (json_object_get_count(value_object) < count) {
|
---|
| 1936 | return JSONFailure; /* Tested object mustn't have less name-value pairs than schema */
|
---|
| 1937 | }
|
---|
| 1938 | for (i = 0; i < count; i++) {
|
---|
| 1939 | key = json_object_get_name(schema_object, i);
|
---|
| 1940 | temp_schema_value = json_object_get_value(schema_object, key);
|
---|
| 1941 | temp_value = json_object_get_value(value_object, key);
|
---|
| 1942 | if (temp_value == NULL) {
|
---|
| 1943 | return JSONFailure;
|
---|
| 1944 | }
|
---|
| 1945 | if (json_validate(temp_schema_value, temp_value) == JSONFailure) {
|
---|
| 1946 | return JSONFailure;
|
---|
| 1947 | }
|
---|
| 1948 | }
|
---|
| 1949 | return JSONSuccess;
|
---|
| 1950 | case JSONString: case JSONNumber: case JSONBoolean: case JSONNull:
|
---|
| 1951 | return JSONSuccess; /* equality already tested before switch */
|
---|
| 1952 | case JSONError: default:
|
---|
| 1953 | return JSONFailure;
|
---|
| 1954 | }
|
---|
| 1955 | }
|
---|
| 1956 |
|
---|
| 1957 | int json_value_equals(const JSON_Value *a, const JSON_Value *b) {
|
---|
| 1958 | JSON_Object *a_object = NULL, *b_object = NULL;
|
---|
| 1959 | JSON_Array *a_array = NULL, *b_array = NULL;
|
---|
| 1960 | const char *a_string = NULL, *b_string = NULL;
|
---|
| 1961 | const char *key = NULL;
|
---|
| 1962 | size_t a_count = 0, b_count = 0, i = 0;
|
---|
| 1963 | JSON_Value_Type a_type, b_type;
|
---|
| 1964 | a_type = json_value_get_type(a);
|
---|
| 1965 | b_type = json_value_get_type(b);
|
---|
| 1966 | if (a_type != b_type) {
|
---|
| 1967 | return 0;
|
---|
| 1968 | }
|
---|
| 1969 | switch (a_type) {
|
---|
| 1970 | case JSONArray:
|
---|
| 1971 | a_array = json_value_get_array(a);
|
---|
| 1972 | b_array = json_value_get_array(b);
|
---|
| 1973 | a_count = json_array_get_count(a_array);
|
---|
| 1974 | b_count = json_array_get_count(b_array);
|
---|
| 1975 | if (a_count != b_count) {
|
---|
| 1976 | return 0;
|
---|
| 1977 | }
|
---|
| 1978 | for (i = 0; i < a_count; i++) {
|
---|
| 1979 | if (!json_value_equals(json_array_get_value(a_array, i),
|
---|
| 1980 | json_array_get_value(b_array, i))) {
|
---|
| 1981 | return 0;
|
---|
| 1982 | }
|
---|
| 1983 | }
|
---|
| 1984 | return 1;
|
---|
| 1985 | case JSONObject:
|
---|
| 1986 | a_object = json_value_get_object(a);
|
---|
| 1987 | b_object = json_value_get_object(b);
|
---|
| 1988 | a_count = json_object_get_count(a_object);
|
---|
| 1989 | b_count = json_object_get_count(b_object);
|
---|
| 1990 | if (a_count != b_count) {
|
---|
| 1991 | return 0;
|
---|
| 1992 | }
|
---|
| 1993 | for (i = 0; i < a_count; i++) {
|
---|
| 1994 | key = json_object_get_name(a_object, i);
|
---|
| 1995 | if (!json_value_equals(json_object_get_value(a_object, key),
|
---|
| 1996 | json_object_get_value(b_object, key))) {
|
---|
| 1997 | return 0;
|
---|
| 1998 | }
|
---|
| 1999 | }
|
---|
| 2000 | return 1;
|
---|
| 2001 | case JSONString:
|
---|
| 2002 | a_string = json_value_get_string(a);
|
---|
| 2003 | b_string = json_value_get_string(b);
|
---|
| 2004 | if (a_string == NULL || b_string == NULL) {
|
---|
| 2005 | return 0; /* shouldn't happen */
|
---|
| 2006 | }
|
---|
| 2007 | return strcmp(a_string, b_string) == 0;
|
---|
| 2008 | case JSONBoolean:
|
---|
| 2009 | return json_value_get_boolean(a) == json_value_get_boolean(b);
|
---|
| 2010 | case JSONNumber:
|
---|
| 2011 | return fabs(json_value_get_number(a) - json_value_get_number(b)) < 0.000001; /* EPSILON */
|
---|
| 2012 | case JSONError:
|
---|
| 2013 | return 1;
|
---|
| 2014 | case JSONNull:
|
---|
| 2015 | return 1;
|
---|
| 2016 | default:
|
---|
| 2017 | return 1;
|
---|
| 2018 | }
|
---|
| 2019 | }
|
---|
| 2020 |
|
---|
| 2021 | JSON_Value_Type json_type(const JSON_Value *value) {
|
---|
| 2022 | return json_value_get_type(value);
|
---|
| 2023 | }
|
---|
| 2024 |
|
---|
| 2025 | JSON_Object * json_object (const JSON_Value *value) {
|
---|
| 2026 | return json_value_get_object(value);
|
---|
| 2027 | }
|
---|
| 2028 |
|
---|
| 2029 | JSON_Array * json_array (const JSON_Value *value) {
|
---|
| 2030 | return json_value_get_array(value);
|
---|
| 2031 | }
|
---|
| 2032 |
|
---|
| 2033 | const char * json_string (const JSON_Value *value) {
|
---|
| 2034 | return json_value_get_string(value);
|
---|
| 2035 | }
|
---|
| 2036 |
|
---|
| 2037 | double json_number (const JSON_Value *value) {
|
---|
| 2038 | return json_value_get_number(value);
|
---|
| 2039 | }
|
---|
| 2040 |
|
---|
| 2041 | int json_boolean(const JSON_Value *value) {
|
---|
| 2042 | return json_value_get_boolean(value);
|
---|
| 2043 | }
|
---|
| 2044 |
|
---|
| 2045 | void json_set_allocation_functions(JSON_Malloc_Function malloc_fun, JSON_Free_Function free_fun) {
|
---|
| 2046 | parson_malloc = malloc_fun;
|
---|
| 2047 | parson_free = free_fun;
|
---|
| 2048 | }
|
---|