Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 1 | /* |
Michael Clark | a850f8e | 2007-03-13 08:26:26 +0000 | [diff] [blame] | 2 | * $Id: json_object.c,v 1.17 2006/07/25 03:24:50 mclark Exp $ |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 3 | * |
Michael Clark | f6a6e48 | 2007-03-13 08:26:23 +0000 | [diff] [blame] | 4 | * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd. |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 5 | * Michael Clark <michael@metaparadigm.com> |
| 6 | * |
Michael Clark | f6a6e48 | 2007-03-13 08:26:23 +0000 | [diff] [blame] | 7 | * This library is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the MIT license. See COPYING for details. |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 9 | * |
| 10 | */ |
| 11 | |
Michael Clark | 4504df7 | 2007-03-13 08:26:20 +0000 | [diff] [blame] | 12 | #include "config.h" |
| 13 | |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 14 | #include <stdio.h> |
| 15 | #include <stdlib.h> |
Michael Clark | c8f4a6e | 2007-12-07 02:44:24 +0000 | [diff] [blame] | 16 | #include <stddef.h> |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 17 | #include <string.h> |
| 18 | |
| 19 | #include "debug.h" |
| 20 | #include "printbuf.h" |
| 21 | #include "linkhash.h" |
| 22 | #include "arraylist.h" |
Michael Clark | c4dceae | 2010-10-06 16:39:20 +0000 | [diff] [blame^] | 23 | #include "json_inttypes.h" |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 24 | #include "json_object.h" |
| 25 | #include "json_object_private.h" |
Michael Clark | c4dceae | 2010-10-06 16:39:20 +0000 | [diff] [blame^] | 26 | #include "json_util.h" |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 27 | |
Michael Clark | 837240f | 2007-03-13 08:26:25 +0000 | [diff] [blame] | 28 | #if !HAVE_STRNDUP |
| 29 | char* strndup(const char* str, size_t n); |
| 30 | #endif /* !HAVE_STRNDUP */ |
| 31 | |
Christopher Watford | c5cbf82 | 2009-06-30 03:40:53 +0000 | [diff] [blame] | 32 | /* #define REFCOUNT_DEBUG 1 */ |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 33 | |
Michael Clark | 68cafad | 2009-01-06 22:56:57 +0000 | [diff] [blame] | 34 | const char *json_number_chars = "0123456789.+-eE"; |
| 35 | const char *json_hex_chars = "0123456789abcdef"; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 36 | |
| 37 | #ifdef REFCOUNT_DEBUG |
Michael Clark | 68cafad | 2009-01-06 22:56:57 +0000 | [diff] [blame] | 38 | static const char* json_type_name[] = { |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 39 | "null", |
| 40 | "boolean", |
| 41 | "double", |
| 42 | "int", |
| 43 | "object", |
| 44 | "array", |
| 45 | "string", |
Michael Clark | c4dceae | 2010-10-06 16:39:20 +0000 | [diff] [blame^] | 46 | "int64", |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 47 | }; |
Michael Clark | 4504df7 | 2007-03-13 08:26:20 +0000 | [diff] [blame] | 48 | #endif /* REFCOUNT_DEBUG */ |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 49 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 50 | static void json_object_generic_delete(struct json_object* jso); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 51 | static struct json_object* json_object_new(enum json_type o_type); |
| 52 | |
| 53 | |
| 54 | /* ref count debugging */ |
| 55 | |
| 56 | #ifdef REFCOUNT_DEBUG |
| 57 | |
| 58 | static struct lh_table *json_object_table; |
| 59 | |
Michael Clark | 14862b1 | 2007-12-07 02:50:42 +0000 | [diff] [blame] | 60 | static void json_object_init(void) __attribute__ ((constructor)); |
| 61 | static void json_object_init(void) { |
Michael Clark | dfaf670 | 2007-10-25 02:26:00 +0000 | [diff] [blame] | 62 | MC_DEBUG("json_object_init: creating object table\n"); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 63 | json_object_table = lh_kptr_table_new(128, "json_object_table", NULL); |
| 64 | } |
| 65 | |
Michael Clark | 14862b1 | 2007-12-07 02:50:42 +0000 | [diff] [blame] | 66 | static void json_object_fini(void) __attribute__ ((destructor)); |
| 67 | static void json_object_fini(void) { |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 68 | struct lh_entry *ent; |
Michael Clark | dfaf670 | 2007-10-25 02:26:00 +0000 | [diff] [blame] | 69 | if(MC_GET_DEBUG()) { |
| 70 | if (json_object_table->count) { |
| 71 | MC_DEBUG("json_object_fini: %d referenced objects at exit\n", |
| 72 | json_object_table->count); |
| 73 | lh_foreach(json_object_table, ent) { |
| 74 | struct json_object* obj = (struct json_object*)ent->v; |
| 75 | MC_DEBUG("\t%s:%p\n", json_type_name[obj->o_type], obj); |
| 76 | } |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 77 | } |
| 78 | } |
Michael Clark | dfaf670 | 2007-10-25 02:26:00 +0000 | [diff] [blame] | 79 | MC_DEBUG("json_object_fini: freeing object table\n"); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 80 | lh_table_free(json_object_table); |
| 81 | } |
Michael Clark | 4504df7 | 2007-03-13 08:26:20 +0000 | [diff] [blame] | 82 | #endif /* REFCOUNT_DEBUG */ |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 83 | |
| 84 | |
| 85 | /* string escaping */ |
| 86 | |
| 87 | static int json_escape_str(struct printbuf *pb, char *str) |
| 88 | { |
| 89 | int pos = 0, start_offset = 0; |
Michael Clark | 837240f | 2007-03-13 08:26:25 +0000 | [diff] [blame] | 90 | unsigned char c; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 91 | do { |
| 92 | c = str[pos]; |
| 93 | switch(c) { |
Michael Clark | 837240f | 2007-03-13 08:26:25 +0000 | [diff] [blame] | 94 | case '\0': |
| 95 | break; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 96 | case '\b': |
| 97 | case '\n': |
| 98 | case '\r': |
| 99 | case '\t': |
Michael Clark | 4504df7 | 2007-03-13 08:26:20 +0000 | [diff] [blame] | 100 | case '"': |
Michael Clark | a850f8e | 2007-03-13 08:26:26 +0000 | [diff] [blame] | 101 | case '\\': |
| 102 | case '/': |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 103 | if(pos - start_offset > 0) |
| 104 | printbuf_memappend(pb, str + start_offset, pos - start_offset); |
| 105 | if(c == '\b') printbuf_memappend(pb, "\\b", 2); |
| 106 | else if(c == '\n') printbuf_memappend(pb, "\\n", 2); |
| 107 | else if(c == '\r') printbuf_memappend(pb, "\\r", 2); |
| 108 | else if(c == '\t') printbuf_memappend(pb, "\\t", 2); |
Michael Clark | 4504df7 | 2007-03-13 08:26:20 +0000 | [diff] [blame] | 109 | else if(c == '"') printbuf_memappend(pb, "\\\"", 2); |
Michael Clark | a850f8e | 2007-03-13 08:26:26 +0000 | [diff] [blame] | 110 | else if(c == '\\') printbuf_memappend(pb, "\\\\", 2); |
| 111 | else if(c == '/') printbuf_memappend(pb, "\\/", 2); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 112 | start_offset = ++pos; |
| 113 | break; |
| 114 | default: |
Michael Clark | 837240f | 2007-03-13 08:26:25 +0000 | [diff] [blame] | 115 | if(c < ' ') { |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 116 | if(pos - start_offset > 0) |
| 117 | printbuf_memappend(pb, str + start_offset, pos - start_offset); |
| 118 | sprintbuf(pb, "\\u00%c%c", |
| 119 | json_hex_chars[c >> 4], |
| 120 | json_hex_chars[c & 0xf]); |
| 121 | start_offset = ++pos; |
Michael Clark | 837240f | 2007-03-13 08:26:25 +0000 | [diff] [blame] | 122 | } else pos++; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 123 | } |
| 124 | } while(c); |
| 125 | if(pos - start_offset > 0) |
| 126 | printbuf_memappend(pb, str + start_offset, pos - start_offset); |
| 127 | return 0; |
| 128 | } |
| 129 | |
| 130 | |
| 131 | /* reference counting */ |
| 132 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 133 | extern struct json_object* json_object_get(struct json_object *jso) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 134 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 135 | if(jso) { |
| 136 | jso->_ref_count++; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 137 | } |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 138 | return jso; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 139 | } |
| 140 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 141 | extern void json_object_put(struct json_object *jso) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 142 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 143 | if(jso) { |
| 144 | jso->_ref_count--; |
| 145 | if(!jso->_ref_count) jso->_delete(jso); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 146 | } |
| 147 | } |
| 148 | |
| 149 | |
| 150 | /* generic object construction and destruction parts */ |
| 151 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 152 | static void json_object_generic_delete(struct json_object* jso) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 153 | { |
| 154 | #ifdef REFCOUNT_DEBUG |
Michael Clark | dfaf670 | 2007-10-25 02:26:00 +0000 | [diff] [blame] | 155 | MC_DEBUG("json_object_delete_%s: %p\n", |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 156 | json_type_name[jso->o_type], jso); |
| 157 | lh_table_delete(json_object_table, jso); |
Michael Clark | 4504df7 | 2007-03-13 08:26:20 +0000 | [diff] [blame] | 158 | #endif /* REFCOUNT_DEBUG */ |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 159 | printbuf_free(jso->_pb); |
| 160 | free(jso); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 161 | } |
| 162 | |
| 163 | static struct json_object* json_object_new(enum json_type o_type) |
| 164 | { |
Michael Clark | aaec1ef | 2009-02-25 02:31:32 +0000 | [diff] [blame] | 165 | struct json_object *jso; |
| 166 | |
| 167 | jso = (struct json_object*)calloc(sizeof(struct json_object), 1); |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 168 | if(!jso) return NULL; |
| 169 | jso->o_type = o_type; |
| 170 | jso->_ref_count = 1; |
| 171 | jso->_delete = &json_object_generic_delete; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 172 | #ifdef REFCOUNT_DEBUG |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 173 | lh_table_insert(json_object_table, jso, jso); |
| 174 | MC_DEBUG("json_object_new_%s: %p\n", json_type_name[jso->o_type], jso); |
Michael Clark | 4504df7 | 2007-03-13 08:26:20 +0000 | [diff] [blame] | 175 | #endif /* REFCOUNT_DEBUG */ |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 176 | return jso; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | |
| 180 | /* type checking functions */ |
| 181 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 182 | int json_object_is_type(struct json_object *jso, enum json_type type) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 183 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 184 | return (jso->o_type == type); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 185 | } |
| 186 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 187 | enum json_type json_object_get_type(struct json_object *jso) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 188 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 189 | return jso->o_type; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 190 | } |
| 191 | |
| 192 | |
| 193 | /* json_object_to_json_string */ |
| 194 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 195 | const char* json_object_to_json_string(struct json_object *jso) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 196 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 197 | if(!jso) return "null"; |
| 198 | if(!jso->_pb) { |
| 199 | if(!(jso->_pb = printbuf_new())) return NULL; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 200 | } else { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 201 | printbuf_reset(jso->_pb); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 202 | } |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 203 | if(jso->_to_json_string(jso, jso->_pb) < 0) return NULL; |
| 204 | return jso->_pb->buf; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 205 | } |
| 206 | |
| 207 | |
| 208 | /* json_object_object */ |
| 209 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 210 | static int json_object_object_to_json_string(struct json_object* jso, |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 211 | struct printbuf *pb) |
| 212 | { |
| 213 | int i=0; |
Michael Clark | 4504df7 | 2007-03-13 08:26:20 +0000 | [diff] [blame] | 214 | struct json_object_iter iter; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 215 | sprintbuf(pb, "{"); |
Michael Clark | 4504df7 | 2007-03-13 08:26:20 +0000 | [diff] [blame] | 216 | |
| 217 | /* CAW: scope operator to make ANSI correctness */ |
| 218 | /* CAW: switched to json_object_object_foreachC which uses an iterator struct */ |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 219 | json_object_object_foreachC(jso, iter) { |
Michael Clark | 4504df7 | 2007-03-13 08:26:20 +0000 | [diff] [blame] | 220 | if(i) sprintbuf(pb, ","); |
| 221 | sprintbuf(pb, " \""); |
| 222 | json_escape_str(pb, iter.key); |
| 223 | sprintbuf(pb, "\": "); |
| 224 | if(iter.val == NULL) sprintbuf(pb, "null"); |
| 225 | else iter.val->_to_json_string(iter.val, pb); |
| 226 | i++; |
| 227 | } |
| 228 | |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 229 | return sprintbuf(pb, " }"); |
| 230 | } |
| 231 | |
| 232 | static void json_object_lh_entry_free(struct lh_entry *ent) |
| 233 | { |
| 234 | free(ent->k); |
| 235 | json_object_put((struct json_object*)ent->v); |
| 236 | } |
| 237 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 238 | static void json_object_object_delete(struct json_object* jso) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 239 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 240 | lh_table_free(jso->o.c_object); |
| 241 | json_object_generic_delete(jso); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 242 | } |
| 243 | |
Michael Clark | e8de078 | 2009-02-25 01:45:00 +0000 | [diff] [blame] | 244 | struct json_object* json_object_new_object(void) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 245 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 246 | struct json_object *jso = json_object_new(json_type_object); |
| 247 | if(!jso) return NULL; |
| 248 | jso->_delete = &json_object_object_delete; |
| 249 | jso->_to_json_string = &json_object_object_to_json_string; |
| 250 | jso->o.c_object = lh_kchar_table_new(JSON_OBJECT_DEF_HASH_ENTRIES, |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 251 | NULL, &json_object_lh_entry_free); |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 252 | return jso; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 253 | } |
| 254 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 255 | struct lh_table* json_object_get_object(struct json_object *jso) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 256 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 257 | if(!jso) return NULL; |
| 258 | switch(jso->o_type) { |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 259 | case json_type_object: |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 260 | return jso->o.c_object; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 261 | default: |
| 262 | return NULL; |
| 263 | } |
| 264 | } |
| 265 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 266 | void json_object_object_add(struct json_object* jso, const char *key, |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 267 | struct json_object *val) |
| 268 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 269 | lh_table_delete(jso->o.c_object, key); |
| 270 | lh_table_insert(jso->o.c_object, strdup(key), val); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 271 | } |
| 272 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 273 | struct json_object* json_object_object_get(struct json_object* jso, const char *key) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 274 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 275 | return (struct json_object*) lh_table_lookup(jso->o.c_object, key); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 276 | } |
| 277 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 278 | void json_object_object_del(struct json_object* jso, const char *key) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 279 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 280 | lh_table_delete(jso->o.c_object, key); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 281 | } |
| 282 | |
| 283 | |
| 284 | /* json_object_boolean */ |
| 285 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 286 | static int json_object_boolean_to_json_string(struct json_object* jso, |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 287 | struct printbuf *pb) |
| 288 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 289 | if(jso->o.c_boolean) return sprintbuf(pb, "true"); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 290 | else return sprintbuf(pb, "false"); |
| 291 | } |
| 292 | |
| 293 | struct json_object* json_object_new_boolean(boolean b) |
| 294 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 295 | struct json_object *jso = json_object_new(json_type_boolean); |
| 296 | if(!jso) return NULL; |
| 297 | jso->_to_json_string = &json_object_boolean_to_json_string; |
| 298 | jso->o.c_boolean = b; |
| 299 | return jso; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 300 | } |
| 301 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 302 | boolean json_object_get_boolean(struct json_object *jso) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 303 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 304 | if(!jso) return FALSE; |
| 305 | switch(jso->o_type) { |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 306 | case json_type_boolean: |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 307 | return jso->o.c_boolean; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 308 | case json_type_int: |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 309 | return (jso->o.c_int != 0); |
Michael Clark | c4dceae | 2010-10-06 16:39:20 +0000 | [diff] [blame^] | 310 | case json_type_int64: |
| 311 | return (jso->o.c_int64 != 0); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 312 | case json_type_double: |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 313 | return (jso->o.c_double != 0); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 314 | case json_type_string: |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 315 | return (strlen(jso->o.c_string) != 0); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 316 | default: |
Michael Clark | 6f70e44 | 2009-04-27 08:19:27 +0000 | [diff] [blame] | 317 | return FALSE; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 318 | } |
| 319 | } |
| 320 | |
| 321 | |
| 322 | /* json_object_int */ |
| 323 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 324 | static int json_object_int_to_json_string(struct json_object* jso, |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 325 | struct printbuf *pb) |
| 326 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 327 | return sprintbuf(pb, "%d", jso->o.c_int); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 328 | } |
| 329 | |
Michael Clark | c4dceae | 2010-10-06 16:39:20 +0000 | [diff] [blame^] | 330 | static int json_object_int64_to_json_string(struct json_object* jso, struct printbuf *pb) { |
| 331 | return sprintbuf(pb, "%"PRId64, jso->o.c_int64); |
| 332 | } |
| 333 | |
| 334 | struct json_object* json_object_new_int(int32_t i) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 335 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 336 | struct json_object *jso = json_object_new(json_type_int); |
| 337 | if(!jso) return NULL; |
| 338 | jso->_to_json_string = &json_object_int_to_json_string; |
| 339 | jso->o.c_int = i; |
| 340 | return jso; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 341 | } |
| 342 | |
Michael Clark | c4dceae | 2010-10-06 16:39:20 +0000 | [diff] [blame^] | 343 | int32_t json_object_get_int(struct json_object *jso) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 344 | { |
Michael Clark | c4dceae | 2010-10-06 16:39:20 +0000 | [diff] [blame^] | 345 | if(!jso) return 0; |
| 346 | |
| 347 | enum json_type o_type = jso->o_type; |
| 348 | int64_t cint64 = jso->o.c_int64; |
| 349 | |
| 350 | if (o_type == json_type_string) |
| 351 | { |
| 352 | /* |
| 353 | * Parse strings into 64-bit numbers, then use the |
| 354 | * 64-to-32-bit number handling below. |
| 355 | */ |
| 356 | if (json_parse_int64(jso->o.c_string, &cint64) != 0) |
| 357 | return 0; /* whoops, it didn't work. */ |
| 358 | o_type = json_type_int64; |
| 359 | } |
| 360 | |
| 361 | switch(jso->o_type) { |
| 362 | case json_type_int: |
| 363 | return jso->o.c_int; |
| 364 | case json_type_int64: |
| 365 | /* Make sure we return the correct values for out of range numbers. */ |
| 366 | if (cint64 <= INT32_MIN) |
| 367 | return INT32_MIN; |
| 368 | else if (cint64 >= INT32_MAX) |
| 369 | return INT32_MAX; |
| 370 | else |
| 371 | return (int32_t)cint64; |
| 372 | case json_type_double: |
| 373 | return (int32_t)jso->o.c_double; |
| 374 | case json_type_boolean: |
| 375 | return jso->o.c_boolean; |
| 376 | default: |
| 377 | return 0; |
| 378 | } |
| 379 | } |
| 380 | |
| 381 | struct json_object* json_object_new_int64(int64_t i) |
| 382 | { |
| 383 | struct json_object *jso = json_object_new(json_type_int64); |
| 384 | if(!jso) return NULL; |
| 385 | jso->_to_json_string = &json_object_int64_to_json_string; |
| 386 | jso->o.c_int64 = i; |
| 387 | return jso; |
| 388 | } |
| 389 | |
| 390 | int64_t json_object_get_int64(struct json_object *jso) |
| 391 | { |
| 392 | int64_t cint; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 393 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 394 | if(!jso) return 0; |
| 395 | switch(jso->o_type) { |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 396 | case json_type_int: |
Michael Clark | c4dceae | 2010-10-06 16:39:20 +0000 | [diff] [blame^] | 397 | return (int64_t)jso->o.c_int; |
| 398 | case json_type_int64: |
| 399 | return jso->o.c_int64; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 400 | case json_type_double: |
Michael Clark | c4dceae | 2010-10-06 16:39:20 +0000 | [diff] [blame^] | 401 | return (int64_t)jso->o.c_double; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 402 | case json_type_boolean: |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 403 | return jso->o.c_boolean; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 404 | case json_type_string: |
Michael Clark | c4dceae | 2010-10-06 16:39:20 +0000 | [diff] [blame^] | 405 | if (json_parse_int64(jso->o.c_string, &cint) == 0) return cint; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 406 | default: |
| 407 | return 0; |
| 408 | } |
| 409 | } |
| 410 | |
| 411 | |
| 412 | /* json_object_double */ |
| 413 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 414 | static int json_object_double_to_json_string(struct json_object* jso, |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 415 | struct printbuf *pb) |
| 416 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 417 | return sprintbuf(pb, "%lf", jso->o.c_double); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 418 | } |
| 419 | |
| 420 | struct json_object* json_object_new_double(double d) |
| 421 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 422 | struct json_object *jso = json_object_new(json_type_double); |
| 423 | if(!jso) return NULL; |
| 424 | jso->_to_json_string = &json_object_double_to_json_string; |
| 425 | jso->o.c_double = d; |
| 426 | return jso; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 427 | } |
| 428 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 429 | double json_object_get_double(struct json_object *jso) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 430 | { |
| 431 | double cdouble; |
| 432 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 433 | if(!jso) return 0.0; |
| 434 | switch(jso->o_type) { |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 435 | case json_type_double: |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 436 | return jso->o.c_double; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 437 | case json_type_int: |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 438 | return jso->o.c_int; |
Michael Clark | c4dceae | 2010-10-06 16:39:20 +0000 | [diff] [blame^] | 439 | case json_type_int64: |
| 440 | return jso->o.c_int64; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 441 | case json_type_boolean: |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 442 | return jso->o.c_boolean; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 443 | case json_type_string: |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 444 | if(sscanf(jso->o.c_string, "%lf", &cdouble) == 1) return cdouble; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 445 | default: |
| 446 | return 0.0; |
| 447 | } |
| 448 | } |
| 449 | |
| 450 | |
| 451 | /* json_object_string */ |
| 452 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 453 | static int json_object_string_to_json_string(struct json_object* jso, |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 454 | struct printbuf *pb) |
| 455 | { |
| 456 | sprintbuf(pb, "\""); |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 457 | json_escape_str(pb, jso->o.c_string); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 458 | sprintbuf(pb, "\""); |
| 459 | return 0; |
| 460 | } |
| 461 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 462 | static void json_object_string_delete(struct json_object* jso) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 463 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 464 | free(jso->o.c_string); |
| 465 | json_object_generic_delete(jso); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 466 | } |
| 467 | |
Michael Clark | 68cafad | 2009-01-06 22:56:57 +0000 | [diff] [blame] | 468 | struct json_object* json_object_new_string(const char *s) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 469 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 470 | struct json_object *jso = json_object_new(json_type_string); |
| 471 | if(!jso) return NULL; |
| 472 | jso->_delete = &json_object_string_delete; |
| 473 | jso->_to_json_string = &json_object_string_to_json_string; |
| 474 | jso->o.c_string = strdup(s); |
| 475 | return jso; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 476 | } |
| 477 | |
Michael Clark | 68cafad | 2009-01-06 22:56:57 +0000 | [diff] [blame] | 478 | struct json_object* json_object_new_string_len(const char *s, int len) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 479 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 480 | struct json_object *jso = json_object_new(json_type_string); |
| 481 | if(!jso) return NULL; |
| 482 | jso->_delete = &json_object_string_delete; |
| 483 | jso->_to_json_string = &json_object_string_to_json_string; |
| 484 | jso->o.c_string = strndup(s, len); |
| 485 | return jso; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 486 | } |
| 487 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 488 | const char* json_object_get_string(struct json_object *jso) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 489 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 490 | if(!jso) return NULL; |
| 491 | switch(jso->o_type) { |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 492 | case json_type_string: |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 493 | return jso->o.c_string; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 494 | default: |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 495 | return json_object_to_json_string(jso); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 496 | } |
| 497 | } |
| 498 | |
| 499 | |
| 500 | /* json_object_array */ |
| 501 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 502 | static int json_object_array_to_json_string(struct json_object* jso, |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 503 | struct printbuf *pb) |
| 504 | { |
Michael Clark | 4504df7 | 2007-03-13 08:26:20 +0000 | [diff] [blame] | 505 | int i; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 506 | sprintbuf(pb, "["); |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 507 | for(i=0; i < json_object_array_length(jso); i++) { |
Michael Clark | 4504df7 | 2007-03-13 08:26:20 +0000 | [diff] [blame] | 508 | struct json_object *val; |
| 509 | if(i) { sprintbuf(pb, ", "); } |
| 510 | else { sprintbuf(pb, " "); } |
| 511 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 512 | val = json_object_array_get_idx(jso, i); |
Michael Clark | 4504df7 | 2007-03-13 08:26:20 +0000 | [diff] [blame] | 513 | if(val == NULL) { sprintbuf(pb, "null"); } |
| 514 | else { val->_to_json_string(val, pb); } |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 515 | } |
| 516 | return sprintbuf(pb, " ]"); |
| 517 | } |
| 518 | |
| 519 | static void json_object_array_entry_free(void *data) |
| 520 | { |
| 521 | json_object_put((struct json_object*)data); |
| 522 | } |
| 523 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 524 | static void json_object_array_delete(struct json_object* jso) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 525 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 526 | array_list_free(jso->o.c_array); |
| 527 | json_object_generic_delete(jso); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 528 | } |
| 529 | |
Michael Clark | e8de078 | 2009-02-25 01:45:00 +0000 | [diff] [blame] | 530 | struct json_object* json_object_new_array(void) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 531 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 532 | struct json_object *jso = json_object_new(json_type_array); |
| 533 | if(!jso) return NULL; |
| 534 | jso->_delete = &json_object_array_delete; |
| 535 | jso->_to_json_string = &json_object_array_to_json_string; |
| 536 | jso->o.c_array = array_list_new(&json_object_array_entry_free); |
| 537 | return jso; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 538 | } |
| 539 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 540 | struct array_list* json_object_get_array(struct json_object *jso) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 541 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 542 | if(!jso) return NULL; |
| 543 | switch(jso->o_type) { |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 544 | case json_type_array: |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 545 | return jso->o.c_array; |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 546 | default: |
| 547 | return NULL; |
| 548 | } |
| 549 | } |
| 550 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 551 | int json_object_array_length(struct json_object *jso) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 552 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 553 | return array_list_length(jso->o.c_array); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 554 | } |
| 555 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 556 | int json_object_array_add(struct json_object *jso,struct json_object *val) |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 557 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 558 | return array_list_add(jso->o.c_array, val); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 559 | } |
| 560 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 561 | int json_object_array_put_idx(struct json_object *jso, int idx, |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 562 | struct json_object *val) |
| 563 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 564 | return array_list_put_idx(jso->o.c_array, idx, val); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 565 | } |
| 566 | |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 567 | struct json_object* json_object_array_get_idx(struct json_object *jso, |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 568 | int idx) |
| 569 | { |
Michael Clark | 266a3fd | 2009-02-25 01:55:31 +0000 | [diff] [blame] | 570 | return (struct json_object*)array_list_get_idx(jso->o.c_array, idx); |
Michael Clark | f0d0888 | 2007-03-13 08:26:18 +0000 | [diff] [blame] | 571 | } |
| 572 | |