summaryrefslogtreecommitdiffstats
path: root/include/plist/plist.h
blob: ace86f8eedb86cf548b55200fe563d0e6763afd9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
/**
 * @file plist/plist.h
 * @brief Main include of libplist
 * \internal
 *
 * Copyright (c) 2008 Jonathan Beck All Rights Reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifndef LIBPLIST_H
#define LIBPLIST_H

#ifdef __cplusplus
extern "C"
{
#endif

#ifdef _MSC_VER
    typedef __int8 int8_t;
    typedef __int16 int16_t;
    typedef __int32 int32_t;
    typedef __int64 int64_t;

    typedef unsigned __int8 uint8_t;
    typedef unsigned __int16 uint16_t;
    typedef unsigned __int32 uint32_t;
    typedef unsigned __int64 uint64_t;

#else
#include <stdint.h>
#endif

#ifdef __llvm__
  #if defined(__has_extension)
    #if (__has_extension(attribute_deprecated_with_message))
      #ifndef PLIST_WARN_DEPRECATED
        #define PLIST_WARN_DEPRECATED(x) __attribute__((deprecated(x)))
      #endif
    #else
      #ifndef PLIST_WARN_DEPRECATED
        #define PLIST_WARN_DEPRECATED(x) __attribute__((deprecated))
      #endif
    #endif
  #else
    #ifndef PLIST_WARN_DEPRECATED
      #define PLIST_WARN_DEPRECATED(x) __attribute__((deprecated))
    #endif
  #endif
#elif (__GNUC__ > 4 || (__GNUC__ == 4 && (__GNUC_MINOR__ >= 5)))
  #ifndef PLIST_WARN_DEPRECATED
    #define PLIST_WARN_DEPRECATED(x) __attribute__((deprecated(x)))
  #endif
#elif defined(_MSC_VER)
  #ifndef PLIST_WARN_DEPRECATED
    #define PLIST_WARN_DEPRECATED(x) __declspec(deprecated(x))
  #endif
#else
  #define PLIST_WARN_DEPRECATED(x)
  #pragma message("WARNING: You need to implement DEPRECATED for this compiler")
#endif

#include <sys/types.h>
#include <stdarg.h>

    /**
     * \mainpage libplist : A library to handle Apple Property Lists
     * \defgroup PublicAPI Public libplist API
     */
    /*@{*/


    /**
     * The basic plist abstract data type.
     */
    typedef void *plist_t;

    /**
     * The plist dictionary iterator.
     */
    typedef void *plist_dict_iter;

    /**
     * The enumeration of plist node types.
     */
    typedef enum
    {
        PLIST_BOOLEAN,	/**< Boolean, scalar type */
        PLIST_UINT,	/**< Unsigned integer, scalar type */
        PLIST_REAL,	/**< Real, scalar type */
        PLIST_STRING,	/**< ASCII string, scalar type */
        PLIST_ARRAY,	/**< Ordered array, structured type */
        PLIST_DICT,	/**< Unordered dictionary (key/value pair), structured type */
        PLIST_DATE,	/**< Date, scalar type */
        PLIST_DATA,	/**< Binary data, scalar type */
        PLIST_KEY,	/**< Key in dictionaries (ASCII String), scalar type */
        PLIST_UID,      /**< Special type used for 'keyed encoding' */
        PLIST_NONE	/**< No type */
    } plist_type;


    /********************************************
     *                                          *
     *          Creation & Destruction          *
     *                                          *
     ********************************************/

    /**
     * Create a new root plist_t type #PLIST_DICT
     *
     * @return the created plist
     * @sa #plist_type
     */
    plist_t plist_new_dict(void);

    /**
     * Create a new root plist_t type #PLIST_ARRAY
     *
     * @return the created plist
     * @sa #plist_type
     */
    plist_t plist_new_array(void);

    /**
     * Create a new plist_t type #PLIST_STRING
     *
     * @param val the sting value, encoded in UTF8.
     * @return the created item
     * @sa #plist_type
     */
    plist_t plist_new_string(const char *val);

    /**
     * Create a new plist_t type #PLIST_BOOLEAN
     *
     * @param val the boolean value, 0 is false, other values are true.
     * @return the created item
     * @sa #plist_type
     */
    plist_t plist_new_bool(uint8_t val);

    /**
     * Create a new plist_t type #PLIST_UINT
     *
     * @param val the unsigned integer value
     * @return the created item
     * @sa #plist_type
     */
    plist_t plist_new_uint(uint64_t val);

    /**
     * Create a new plist_t type #PLIST_REAL
     *
     * @param val the real value
     * @return the created item
     * @sa #plist_type
     */
    plist_t plist_new_real(double val);

    /**
     * Create a new plist_t type #PLIST_DATA
     *
     * @param val the binary buffer
     * @param length the length of the buffer
     * @return the created item
     * @sa #plist_type
     */
    plist_t plist_new_data(const char *val, uint64_t length);

    /**
     * Create a new plist_t type #PLIST_DATE
     *
     * @param sec the number of seconds since 01/01/2001
     * @param usec the number of microseconds
     * @return the created item
     * @sa #plist_type
     */
    plist_t plist_new_date(int32_t sec, int32_t usec);

    /**
     * Create a new plist_t type #PLIST_UID
     *
     * @param val the unsigned integer value
     * @return the created item
     * @sa #plist_type
     */
    plist_t plist_new_uid(uint64_t val);

    /**
     * Destruct a plist_t node and all its children recursively
     *
     * @param plist the plist to free
     */
    void plist_free(plist_t plist);

    /**
     * Return a copy of passed node and it's children
     *
     * @param node the plist to copy
     * @return copied plist
     */
    plist_t plist_copy(plist_t node);


    /********************************************
     *                                          *
     *            Array functions               *
     *                                          *
     ********************************************/

    /**
     * Get size of a #PLIST_ARRAY node.
     *
     * @param node the node of type #PLIST_ARRAY
     * @return size of the #PLIST_ARRAY node
     */
    uint32_t plist_array_get_size(plist_t node);

    /**
     * Get the nth item in a #PLIST_ARRAY node.
     *
     * @param node the node of type #PLIST_ARRAY
     * @param n the index of the item to get. Range is [0, array_size[
     * @return the nth item or NULL if node is not of type #PLIST_ARRAY
     */
    plist_t plist_array_get_item(plist_t node, uint32_t n);

    /**
     * Get the index of an item. item must be a member of a #PLIST_ARRAY node.
     *
     * @param node the node
     * @return the node index
     */
    uint32_t plist_array_get_item_index(plist_t node);

    /**
     * Set the nth item in a #PLIST_ARRAY node.
     * The previous item at index n will be freed using #plist_free
     *
     * @param node the node of type #PLIST_ARRAY
     * @param item the new item at index n. The array is responsible for freeing item when it is no longer needed.
     * @param n the index of the item to get. Range is [0, array_size[. Assert if n is not in range.
     */
    void plist_array_set_item(plist_t node, plist_t item, uint32_t n);

    /**
     * Append a new item at the end of a #PLIST_ARRAY node.
     *
     * @param node the node of type #PLIST_ARRAY
     * @param item the new item. The array is responsible for freeing item when it is no longer needed.
     */
    void plist_array_append_item(plist_t node, plist_t item);

    /**
     * Insert a new item at position n in a #PLIST_ARRAY node.
     *
     * @param node the node of type #PLIST_ARRAY
     * @param item the new item to insert. The array is responsible for freeing item when it is no longer needed.
     * @param n The position at which the node will be stored. Range is [0, array_size[. Assert if n is not in range.
     */
    void plist_array_insert_item(plist_t node, plist_t item, uint32_t n);

    /**
     * Remove an existing position in a #PLIST_ARRAY node.
     * Removed position will be freed using #plist_free.
     *
     * @param node the node of type #PLIST_ARRAY
     * @param n The position to remove. Range is [0, array_size[. Assert if n is not in range.
     */
    void plist_array_remove_item(plist_t node, uint32_t n);

    /********************************************
     *                                          *
     *         Dictionary functions             *
     *                                          *
     ********************************************/

    /**
     * Get size of a #PLIST_DICT node.
     *
     * @param node the node of type #PLIST_DICT
     * @return size of the #PLIST_DICT node
     */
    uint32_t plist_dict_get_size(plist_t node);

    /**
     * Create an iterator of a #PLIST_DICT node.
     * The allocated iterator should be freed with the standard free function.
     *
     * @param node the node of type #PLIST_DICT
     * @param iter iterator of the #PLIST_DICT node
     */
    void plist_dict_new_iter(plist_t node, plist_dict_iter *iter);

    /**
     * Increment iterator of a #PLIST_DICT node.
     *
     * @param node the node of type #PLIST_DICT
     * @param iter iterator of the dictionary
     * @param key a location to store the key, or NULL. The caller is responsible
     *		for freeing the the returned string.
     * @param val a location to store the value, or NULL. The caller should *not*
     *		free the returned value.
     */
    void plist_dict_next_item(plist_t node, plist_dict_iter iter, char **key, plist_t *val);

    /**
     * Get key associated to an item. Item must be member of a dictionary
     *
     * @param node the node
     * @param key a location to store the key. The caller is responsible for freeing the returned string.
     */
    void plist_dict_get_item_key(plist_t node, char **key);

    /**
     * Get the nth item in a #PLIST_DICT node.
     *
     * @param node the node of type #PLIST_DICT
     * @param key the identifier of the item to get.
     * @return the item or NULL if node is not of type #PLIST_DICT. The caller should not free
     *		the returned node.
     */
    plist_t plist_dict_get_item(plist_t node, const char* key);

    /**
     * Set item identified by key in a #PLIST_DICT node.
     * The previous item identified by key will be freed using #plist_free.
     * If there is no item for the given key a new item will be inserted.
     *
     * @param node the node of type #PLIST_DICT
     * @param item the new item associated to key
     * @param key the identifier of the item to set.
     */
    void plist_dict_set_item(plist_t node, const char* key, plist_t item);

    /**
     * Insert a new item into a #PLIST_DICT node.
     *
     * @deprecated Deprecated. Use plist_dict_set_item instead.
     *
     * @param node the node of type #PLIST_DICT
     * @param item the new item to insert
     * @param key The identifier of the item to insert.
     */
    PLIST_WARN_DEPRECATED("use plist_dict_set_item instead")
    void plist_dict_insert_item(plist_t node, const char* key, plist_t item);

    /**
     * Remove an existing position in a #PLIST_DICT node.
     * Removed position will be freed using #plist_free
     *
     * @param node the node of type #PLIST_DICT
     * @param key The identifier of the item to remove. Assert if identifier is not present.
     */
    void plist_dict_remove_item(plist_t node, const char* key);

    /**
     * Merge a dictionary into another. This will add all key/value pairs
     * from the source dictionary to the target dictionary, overwriting
     * any existing key/value pairs that are already present in target.
     *
     * @param target pointer to an existing node of type #PLIST_DICT
     * @param source node of type #PLIST_DICT that should be merged into target
     */
    void plist_dict_merge(plist_t *target, plist_t source);


    /********************************************
     *                                          *
     *                Getters                   *
     *                                          *
     ********************************************/

    /**
     * Get the parent of a node
     *
     * @param node the parent (NULL if node is root)
     */
    plist_t plist_get_parent(plist_t node);

    /**
     * Get the #plist_type of a node.
     *
     * @param node the node
     * @return the type of the node
     */
    plist_type plist_get_node_type(plist_t node);

    /**
     * Get the value of a #PLIST_KEY node.
     * This function does nothing if node is not of type #PLIST_KEY
     *
     * @param node the node
     * @param val a pointer to a C-string. This function allocates the memory,
     *            caller is responsible for freeing it.
     */
    void plist_get_key_val(plist_t node, char **val);

    /**
     * Get the value of a #PLIST_STRING node.
     * This function does nothing if node is not of type #PLIST_STRING
     *
     * @param node the node
     * @param val a pointer to a C-string. This function allocates the memory,
     *            caller is responsible for freeing it. Data is UTF-8 encoded.
     */
    void plist_get_string_val(plist_t node, char **val);

    /**
     * Get the value of a #PLIST_BOOLEAN node.
     * This function does nothing if node is not of type #PLIST_BOOLEAN
     *
     * @param node the node
     * @param val a pointer to a uint8_t variable.
     */
    void plist_get_bool_val(plist_t node, uint8_t * val);

    /**
     * Get the value of a #PLIST_UINT node.
     * This function does nothing if node is not of type #PLIST_UINT
     *
     * @param node the node
     * @param val a pointer to a uint64_t variable.
     */
    void plist_get_uint_val(plist_t node, uint64_t * val);

    /**
     * Get the value of a #PLIST_REAL node.
     * This function does nothing if node is not of type #PLIST_REAL
     *
     * @param node the node
     * @param val a pointer to a double variable.
     */
    void plist_get_real_val(plist_t node, double *val);

    /**
     * Get the value of a #PLIST_DATA node.
     * This function does nothing if node is not of type #PLIST_DATA
     *
     * @param node the node
     * @param val a pointer to an unallocated char buffer. This function allocates the memory,
     *            caller is responsible for freeing it.
     * @param length the length of the buffer
     */
    void plist_get_data_val(plist_t node, char **val, uint64_t * length);

    /**
     * Get the value of a #PLIST_DATE node.
     * This function does nothing if node is not of type #PLIST_DATE
     *
     * @param node the node
     * @param sec a pointer to an int32_t variable. Represents the number of seconds since 01/01/2001.
     * @param usec a pointer to an int32_t variable. Represents the number of microseconds
     */
    void plist_get_date_val(plist_t node, int32_t * sec, int32_t * usec);

    /**
     * Get the value of a #PLIST_UID node.
     * This function does nothing if node is not of type #PLIST_UID
     *
     * @param node the node
     * @param val a pointer to a uint64_t variable.
     */
    void plist_get_uid_val(plist_t node, uint64_t * val);


    /********************************************
     *                                          *
     *                Setters                   *
     *                                          *
     ********************************************/

    /**
     * Set the value of a node.
     * Forces type of node to #PLIST_KEY
     *
     * @param node the node
     * @param val the key value
     */
    void plist_set_key_val(plist_t node, const char *val);

    /**
     * Set the value of a node.
     * Forces type of node to #PLIST_STRING
     *
     * @param node the node
     * @param val the string value. The string is copied when set and will be
     *		freed by the node.
     */
    void plist_set_string_val(plist_t node, const char *val);

    /**
     * Set the value of a node.
     * Forces type of node to #PLIST_BOOLEAN
     *
     * @param node the node
     * @param val the boolean value
     */
    void plist_set_bool_val(plist_t node, uint8_t val);

    /**
     * Set the value of a node.
     * Forces type of node to #PLIST_UINT
     *
     * @param node the node
     * @param val the unsigned integer value
     */
    void plist_set_uint_val(plist_t node, uint64_t val);

    /**
     * Set the value of a node.
     * Forces type of node to #PLIST_REAL
     *
     * @param node the node
     * @param val the real value
     */
    void plist_set_real_val(plist_t node, double val);

    /**
     * Set the value of a node.
     * Forces type of node to #PLIST_DATA
     *
     * @param node the node
     * @param val the binary buffer. The buffer is copied when set and will
     *		be freed by the node.
     * @param length the length of the buffer
     */
    void plist_set_data_val(plist_t node, const char *val, uint64_t length);

    /**
     * Set the value of a node.
     * Forces type of node to #PLIST_DATE
     *
     * @param node the node
     * @param sec the number of seconds since 01/01/2001
     * @param usec the number of microseconds
     */
    void plist_set_date_val(plist_t node, int32_t sec, int32_t usec);

    /**
     * Set the value of a node.
     * Forces type of node to #PLIST_UID
     *
     * @param node the node
     * @param val the unsigned integer value
     */
    void plist_set_uid_val(plist_t node, uint64_t val);


    /********************************************
     *                                          *
     *            Import & Export               *
     *                                          *
     ********************************************/

    /**
     * Export the #plist_t structure to XML format.
     *
     * @param plist the root node to export
     * @param plist_xml a pointer to a C-string. This function allocates the memory,
     *            caller is responsible for freeing it. Data is UTF-8 encoded.
     * @param length a pointer to an uint32_t variable. Represents the length of the allocated buffer.
     */
    void plist_to_xml(plist_t plist, char **plist_xml, uint32_t * length);

    /**
     * Export the #plist_t structure to binary format.
     *
     * @param plist the root node to export
     * @param plist_bin a pointer to a char* buffer. This function allocates the memory,
     *            caller is responsible for freeing it.
     * @param length a pointer to an uint32_t variable. Represents the length of the allocated buffer.
     */
    void plist_to_bin(plist_t plist, char **plist_bin, uint32_t * length);

    /**
     * Import the #plist_t structure from XML format.
     *
     * @param plist_xml a pointer to the xml buffer.
     * @param length length of the buffer to read.
     * @param plist a pointer to the imported plist.
     */
    void plist_from_xml(const char *plist_xml, uint32_t length, plist_t * plist);

    /**
     * Import the #plist_t structure from binary format.
     *
     * @param plist_bin a pointer to the xml buffer.
     * @param length length of the buffer to read.
     * @param plist a pointer to the imported plist.
     */
    void plist_from_bin(const char *plist_bin, uint32_t length, plist_t * plist);

    /**
     * Import the #plist_t structure from memory data.
     * This method will look at the first bytes of plist_data
     * to determine if plist_data contains a binary or XML plist.
     *
     * @param plist_data a pointer to the memory buffer containing plist data.
     * @param length length of the buffer to read.
     * @param plist a pointer to the imported plist.
     */
    void plist_from_memory(const char *plist_data, uint32_t length, plist_t * plist);

    /**
     * Test if in-memory plist data is binary or XML
     * This method will look at the first bytes of plist_data
     * to determine if plist_data contains a binary or XML plist.
     * This method is not validating the whole memory buffer to check if the
     * content is truly a plist, it's only using some heuristic on the first few
     * bytes of plist_data.
     *
     * @param plist_data a pointer to the memory buffer containing plist data.
     * @param length length of the buffer to read.
     * @return 1 if the buffer is a binary plist, 0 otherwise.
     */
    int plist_is_binary(const char *plist_data, uint32_t length);

    /********************************************
     *                                          *
     *                 Utils                    *
     *                                          *
     ********************************************/

    /**
     * Get a node from its path. Each path element depends on the associated father node type.
     * For Dictionaries, var args are casted to const char*, for arrays, var args are caster to uint32_t
     * Search is breath first order.
     *
     * @param plist the node to access result from.
     * @param length length of the path to access
     * @return the value to access.
     */
    plist_t plist_access_path(plist_t plist, uint32_t length, ...);

    /**
     * Variadic version of #plist_access_path.
     *
     * @param plist the node to access result from.
     * @param length length of the path to access
     * @param v list of array's index and dic'st key
     * @return the value to access.
     */
    plist_t plist_access_pathv(plist_t plist, uint32_t length, va_list v);

    /**
     * Compare two node values
     *
     * @param node_l left node to compare
     * @param node_r rigth node to compare
     * @return TRUE is type and value match, FALSE otherwise.
     */
    char plist_compare_node_value(plist_t node_l, plist_t node_r);

    /*@}*/

#ifdef __cplusplus
}
#endif
#endif