This repository has been archived by the owner on Nov 17, 2020. It is now read-only.
/
gkeyfile.c
3267 lines (2740 loc) · 82.9 KB
/
gkeyfile.c
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
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/* gkeyfile.c - key file parser
*
* Copyright 2004 Red Hat, Inc.
*
* Written by Ray Strode <rstrode@redhat.com>
* Matthias Clasen <mclasen@redhat.com>
*
* GLib 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 of the
* License, or (at your option) any later version.
*
* GLib 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 GLib; see the file COPYING.LIB. If not,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "galias.h"
#include "gkeyfile.h"
#include <errno.h>
#include <fcntl.h>
#include <locale.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef G_OS_WIN32
#include <io.h>
#ifndef S_ISREG
#define S_ISREG(mode) ((mode)&_S_IFREG)
#endif
#endif /* G_OS_WIN23 */
#include "gconvert.h"
#include "gdataset.h"
#include "gerror.h"
#include "gfileutils.h"
#include "ghash.h"
#include "glibintl.h"
#include "glist.h"
#include "gslist.h"
#include "gmem.h"
#include "gmessages.h"
#include "gstdio.h"
#include "gstring.h"
#include "gstrfuncs.h"
#include "gutils.h"
typedef struct _GKeyFileGroup GKeyFileGroup;
struct _GKeyFile
{
GList *groups;
GKeyFileGroup *start_group;
GKeyFileGroup *current_group;
GString *parse_buffer; /* Holds up to one line of not-yet-parsed data */
/* Used for sizing the output buffer during serialization
*/
gsize approximate_size;
gchar list_separator;
GKeyFileFlags flags;
};
typedef struct _GKeyFileKeyValuePair GKeyFileKeyValuePair;
struct _GKeyFileGroup
{
const gchar *name; /* NULL for above first group (which will be comments) */
GKeyFileKeyValuePair *comment; /* Special comment that is stuck to the top of a group */
GList *key_value_pairs;
/* Used in parallel with key_value_pairs for
* increased lookup performance
*/
GHashTable *lookup_map;
};
struct _GKeyFileKeyValuePair
{
gchar *key; /* NULL for comments */
gchar *value;
};
static gint find_file_in_data_dirs (const gchar *file,
gchar **output_file,
gchar ***data_dirs,
GError **error);
static gboolean g_key_file_load_from_fd (GKeyFile *key_file,
gint fd,
GKeyFileFlags flags,
GError **error);
static GList *g_key_file_lookup_group_node (GKeyFile *key_file,
const gchar *group_name);
static GKeyFileGroup *g_key_file_lookup_group (GKeyFile *key_file,
const gchar *group_name);
static GList *g_key_file_lookup_key_value_pair_node (GKeyFile *key_file,
GKeyFileGroup *group,
const gchar *key);
static GKeyFileKeyValuePair *g_key_file_lookup_key_value_pair (GKeyFile *key_file,
GKeyFileGroup *group,
const gchar *key);
static void g_key_file_remove_group_node (GKeyFile *key_file,
GList *group_node);
static void g_key_file_remove_key_value_pair_node (GKeyFile *key_file,
GKeyFileGroup *group,
GList *pair_node);
static void g_key_file_add_key (GKeyFile *key_file,
GKeyFileGroup *group,
const gchar *key,
const gchar *value);
static void g_key_file_add_group (GKeyFile *key_file,
const gchar *group_name);
static void g_key_file_key_value_pair_free (GKeyFileKeyValuePair *pair);
static gboolean g_key_file_line_is_comment (const gchar *line);
static gboolean g_key_file_line_is_group (const gchar *line);
static gboolean g_key_file_line_is_key_value_pair (const gchar *line);
static gchar *g_key_file_parse_value_as_string (GKeyFile *key_file,
const gchar *value,
GSList **separators,
GError **error);
static gchar *g_key_file_parse_string_as_value (GKeyFile *key_file,
const gchar *string,
gboolean escape_separator);
static gint g_key_file_parse_value_as_integer (GKeyFile *key_file,
const gchar *value,
GError **error);
static gchar *g_key_file_parse_integer_as_value (GKeyFile *key_file,
gint value);
static gboolean g_key_file_parse_value_as_boolean (GKeyFile *key_file,
const gchar *value,
GError **error);
static gchar *g_key_file_parse_boolean_as_value (GKeyFile *key_file,
gboolean value);
static gchar *g_key_file_parse_value_as_comment (GKeyFile *key_file,
const gchar *value);
static gchar *g_key_file_parse_comment_as_value (GKeyFile *key_file,
const gchar *comment);
static void g_key_file_parse_key_value_pair (GKeyFile *key_file,
const gchar *line,
gsize length,
GError **error);
static void g_key_file_parse_comment (GKeyFile *key_file,
const gchar *line,
gsize length,
GError **error);
static void g_key_file_parse_group (GKeyFile *key_file,
const gchar *line,
gsize length,
GError **error);
static gchar *key_get_locale (const gchar *key);
static void g_key_file_parse_data (GKeyFile *key_file,
const gchar *data,
gsize length,
GError **error);
static void g_key_file_flush_parse_buffer (GKeyFile *key_file,
GError **error);
GQuark
g_key_file_error_quark (void)
{
static GQuark error_quark = 0;
if (error_quark == 0)
error_quark = g_quark_from_static_string ("g-key-file-error-quark");
return error_quark;
}
static void
g_key_file_init (GKeyFile *key_file)
{
key_file->current_group = g_new0 (GKeyFileGroup, 1);
key_file->groups = g_list_prepend (NULL, key_file->current_group);
key_file->start_group = NULL;
key_file->parse_buffer = g_string_sized_new (128);
key_file->approximate_size = 0;
key_file->list_separator = ';';
key_file->flags = 0;
}
static void
g_key_file_clear (GKeyFile *key_file)
{
GList *tmp, *group_node;
if (key_file->parse_buffer)
g_string_free (key_file->parse_buffer, TRUE);
tmp = key_file->groups;
while (tmp != NULL)
{
group_node = tmp;
tmp = tmp->next;
g_key_file_remove_group_node (key_file, group_node);
}
g_assert (key_file->groups == NULL);
}
/**
* g_key_file_new:
*
* Creates a new empty #GKeyFile object. Use g_key_file_load_from_file(),
* g_key_file_load_from_data() or g_key_file_load_from_data_dirs() to
* read an existing key file.
*
* Return value: an empty #GKeyFile.
*
* Since: 2.6
**/
GKeyFile *
g_key_file_new (void)
{
GKeyFile *key_file;
key_file = g_new0 (GKeyFile, 1);
g_key_file_init (key_file);
return key_file;
}
/**
* g_key_file_set_list_separator:
* @key_file: a #GKeyFile
* @separator: the separator
*
* Sets the character which is used to separate
* values in lists. Typically ';' or ',' are used
* as separators. The default list separator is ';'.
*
* Since: 2.6
*/
void
g_key_file_set_list_separator (GKeyFile *key_file,
gchar separator)
{
key_file->list_separator = separator;
}
/* Iterates through all the directories in *dirs trying to
* open file. When it successfully locates and opens a file it
* returns the file descriptor to the open file. It also
* outputs the absolute path of the file in output_file and
* leaves the unchecked directories in *dirs.
*/
static gint
find_file_in_data_dirs (const gchar *file,
gchar **output_file,
gchar ***dirs,
GError **error)
{
gchar **data_dirs, *data_dir, *path;
gint fd;
path = NULL;
fd = -1;
if (dirs == NULL)
return fd;
data_dirs = *dirs;
while (data_dirs && (data_dir = *data_dirs) && fd < 0)
{
gchar *candidate_file, *sub_dir;
candidate_file = (gchar *) file;
sub_dir = g_strdup ("");
while (candidate_file != NULL && fd < 0)
{
gchar *p;
path = g_build_filename (data_dir, sub_dir,
candidate_file, NULL);
fd = g_open (path, O_RDONLY, 0);
if (fd < 0)
{
g_free (path);
path = NULL;
}
candidate_file = strchr (candidate_file, '-');
if (candidate_file == NULL)
break;
candidate_file++;
g_free (sub_dir);
sub_dir = g_strndup (file, candidate_file - file - 1);
for (p = sub_dir; *p != '\0'; p++)
{
if (*p == '-')
*p = G_DIR_SEPARATOR;
}
}
g_free (sub_dir);
data_dirs++;
}
*dirs = data_dirs;
if (fd < 0)
{
g_set_error (error, G_KEY_FILE_ERROR,
G_KEY_FILE_ERROR_NOT_FOUND,
_("Valid key file could not be "
"found in data dirs"));
}
if (output_file != NULL && fd > 0)
*output_file = g_strdup (path);
return fd;
}
static gboolean
g_key_file_load_from_fd (GKeyFile *key_file,
gint fd,
GKeyFileFlags flags,
GError **error)
{
GError *key_file_error = NULL;
gsize bytes_read;
struct stat stat_buf;
gchar read_buf[4096];
if (fstat (fd, &stat_buf) < 0)
{
g_set_error (error, G_FILE_ERROR,
g_file_error_from_errno (errno),
"%s", g_strerror (errno));
return FALSE;
}
if (!S_ISREG (stat_buf.st_mode))
{
g_set_error (error, G_KEY_FILE_ERROR,
G_KEY_FILE_ERROR_PARSE,
_("Not a regular file"));
return FALSE;
}
if (stat_buf.st_size == 0)
{
g_set_error (error, G_KEY_FILE_ERROR,
G_KEY_FILE_ERROR_PARSE,
_("File is empty"));
return FALSE;
}
if (key_file->approximate_size > 0)
{
g_key_file_clear (key_file);
g_key_file_init (key_file);
}
key_file->flags = flags;
bytes_read = 0;
do
{
bytes_read = read (fd, read_buf, 4096);
if (bytes_read == 0) /* End of File */
break;
if (bytes_read < 0)
{
if (errno == EINTR || errno == EAGAIN)
continue;
g_set_error (error, G_FILE_ERROR,
g_file_error_from_errno (errno),
"%s", g_strerror (errno));
return FALSE;
}
g_key_file_parse_data (key_file,
read_buf, bytes_read,
&key_file_error);
}
while (!key_file_error);
if (key_file_error)
{
g_propagate_error (error, key_file_error);
return FALSE;
}
g_key_file_flush_parse_buffer (key_file, &key_file_error);
if (key_file_error)
{
g_propagate_error (error, key_file_error);
return FALSE;
}
return TRUE;
}
/**
* g_key_file_load_from_file:
* @key_file: an empty #GKeyFile struct
* @file: the path of a filename to load, in the GLib file name encoding
* @flags: flags from #GKeyFileFlags
* @error: return location for a #GError, or %NULL
*
* Loads a key file into an empty #GKeyFile structure.
* If the file could not be loaded then %error is set to
* either a #GFileError or #GKeyFileError.
*
* Return value: %TRUE if a key file could be loaded, %FALSE othewise
* Since: 2.6
**/
gboolean
g_key_file_load_from_file (GKeyFile *key_file,
const gchar *file,
GKeyFileFlags flags,
GError **error)
{
GError *key_file_error = NULL;
gint fd;
g_return_val_if_fail (key_file != NULL, FALSE);
g_return_val_if_fail (file != NULL, FALSE);
fd = g_open (file, O_RDONLY, 0);
if (fd < 0)
{
g_set_error (error, G_FILE_ERROR,
g_file_error_from_errno (errno),
"%s", g_strerror (errno));
return FALSE;
}
g_key_file_load_from_fd (key_file, fd, flags, &key_file_error);
close (fd);
if (key_file_error)
{
g_propagate_error (error, key_file_error);
return FALSE;
}
return TRUE;
}
/**
* g_key_file_load_from_data:
* @key_file: an empty #GKeyFile struct
* @data: key file loaded in memory.
* @length: the length of @data in bytes
* @flags: flags from #GKeyFileFlags
* @error: return location for a #GError, or %NULL
*
* Loads a key file from memory into an empty #GKeyFile structure. If
* the object cannot be created then %error is set to a
* #GKeyFileError.
*
* Return value: %TRUE if a key file could be loaded, %FALSE othewise
* Since: 2.6
**/
gboolean
g_key_file_load_from_data (GKeyFile *key_file,
const gchar *data,
gsize length,
GKeyFileFlags flags,
GError **error)
{
GError *key_file_error = NULL;
g_return_val_if_fail (key_file != NULL, FALSE);
g_return_val_if_fail (data != NULL, FALSE);
g_return_val_if_fail (length != 0, FALSE);
if (length == (gsize)-1)
length = strlen (data);
if (key_file->approximate_size > 0)
{
g_key_file_clear (key_file);
g_key_file_init (key_file);
}
key_file->flags = flags;
g_key_file_parse_data (key_file, data, length, &key_file_error);
if (key_file_error)
{
g_propagate_error (error, key_file_error);
return FALSE;
}
g_key_file_flush_parse_buffer (key_file, &key_file_error);
if (key_file_error)
{
g_propagate_error (error, key_file_error);
return FALSE;
}
return TRUE;
}
/**
* g_key_file_load_from_data_dirs:
* @key_file: an empty #GKeyFile struct
* @file: a relative path to a filename to open and parse
* @full_path: return location for a string containing the full path
* of the file, or %NULL
* @flags: flags from #GKeyFileFlags
* @error: return location for a #GError, or %NULL
*
* This function looks for a key file named @file in the paths
* returned from g_get_user_data_dir() and g_get_system_data_dirs(),
* loads the file into @key_file and returns the file's full path in
* @full_path. If the file could not be loaded then an %error is
* set to either a #GFileError or #GKeyFileError.
*
* Return value: %TRUE if a key file could be loaded, %FALSE othewise
* Since: 2.6
**/
gboolean
g_key_file_load_from_data_dirs (GKeyFile *key_file,
const gchar *file,
gchar **full_path,
GKeyFileFlags flags,
GError **error)
{
GError *key_file_error = NULL;
gchar **all_data_dirs, **data_dirs;
const gchar * user_data_dir;
const gchar * const * system_data_dirs;
gsize i, j;
gchar *output_path;
gint fd;
gboolean found_file;
g_return_val_if_fail (key_file != NULL, FALSE);
g_return_val_if_fail (!g_path_is_absolute (file), FALSE);
user_data_dir = g_get_user_data_dir ();
system_data_dirs = g_get_system_data_dirs ();
all_data_dirs = g_new0 (gchar *, g_strv_length ((gchar **)system_data_dirs) + 2);
i = 0;
all_data_dirs[i++] = g_strdup (user_data_dir);
j = 0;
while (system_data_dirs[j] != NULL)
all_data_dirs[i++] = g_strdup (system_data_dirs[j++]);
found_file = FALSE;
data_dirs = all_data_dirs;
while (*data_dirs != NULL && !found_file)
{
fd = find_file_in_data_dirs (file, &output_path, &data_dirs,
&key_file_error);
if (fd < 0)
{
if (key_file_error)
g_propagate_error (error, key_file_error);
break;
}
found_file = g_key_file_load_from_fd (key_file, fd, flags,
&key_file_error);
close (fd);
if (key_file_error)
{
g_propagate_error (error, key_file_error);
g_free (output_path);
break;
}
if (full_path)
*full_path = output_path;
}
g_strfreev (all_data_dirs);
return found_file;
}
/**
* g_key_file_free:
* @key_file: a #GKeyFile
*
* Frees a #GKeyFile.
*
* Since: 2.6
**/
void
g_key_file_free (GKeyFile *key_file)
{
g_return_if_fail (key_file != NULL);
g_key_file_clear (key_file);
g_free (key_file);
}
/* If G_KEY_FILE_KEEP_TRANSLATIONS is not set, only returns
* true for locales that match those in g_get_language_names().
*/
static gboolean
g_key_file_locale_is_interesting (GKeyFile *key_file,
const gchar *locale)
{
const gchar * const * current_locales;
gsize i;
if (key_file->flags & G_KEY_FILE_KEEP_TRANSLATIONS)
return TRUE;
current_locales = g_get_language_names ();
for (i = 0; current_locales[i] != NULL; i++)
{
if (g_ascii_strcasecmp (current_locales[i], locale) == 0)
return TRUE;
}
return FALSE;
}
static void
g_key_file_parse_line (GKeyFile *key_file,
const gchar *line,
gsize length,
GError **error)
{
GError *parse_error = NULL;
gchar *line_start;
g_return_if_fail (key_file != NULL);
g_return_if_fail (line != NULL);
line_start = (gchar *) line;
while (g_ascii_isspace (*line_start))
line_start++;
if (g_key_file_line_is_comment (line_start))
g_key_file_parse_comment (key_file, line, length, &parse_error);
else if (g_key_file_line_is_group (line_start))
g_key_file_parse_group (key_file, line_start,
length - (line_start - line),
&parse_error);
else if (g_key_file_line_is_key_value_pair (line_start))
g_key_file_parse_key_value_pair (key_file, line_start,
length - (line_start - line),
&parse_error);
else
{
g_set_error (error, G_KEY_FILE_ERROR,
G_KEY_FILE_ERROR_PARSE,
_("Key file contains line '%s' which is not "
"a key-value pair, group, or comment"), line);
return;
}
if (parse_error)
g_propagate_error (error, parse_error);
}
static void
g_key_file_parse_comment (GKeyFile *key_file,
const gchar *line,
gsize length,
GError **error)
{
GKeyFileKeyValuePair *pair;
if (!(key_file->flags & G_KEY_FILE_KEEP_COMMENTS))
return;
g_assert (key_file->current_group != NULL);
pair = g_new0 (GKeyFileKeyValuePair, 1);
pair->key = NULL;
pair->value = g_strndup (line, length);
key_file->current_group->key_value_pairs =
g_list_prepend (key_file->current_group->key_value_pairs, pair);
}
static void
g_key_file_parse_group (GKeyFile *key_file,
const gchar *line,
gsize length,
GError **error)
{
gchar *group_name;
const gchar *group_name_start, *group_name_end;
/* advance past opening '['
*/
group_name_start = line + 1;
group_name_end = line + length - 1;
while (*group_name_end != ']')
group_name_end--;
group_name = g_strndup (group_name_start,
group_name_end - group_name_start);
g_key_file_add_group (key_file, group_name);
g_free (group_name);
}
static void
g_key_file_parse_key_value_pair (GKeyFile *key_file,
const gchar *line,
gsize length,
GError **error)
{
gchar *key, *value, *key_end, *value_start, *locale;
gsize key_len, value_len;
if (key_file->current_group == NULL || key_file->current_group->name == NULL)
{
g_set_error (error, G_KEY_FILE_ERROR,
G_KEY_FILE_ERROR_GROUP_NOT_FOUND,
_("Key file does not start with a group"));
return;
}
key_end = value_start = strchr (line, '=');
g_assert (key_end != NULL);
key_end--;
value_start++;
/* Pull the key name from the line (chomping trailing whitespace)
*/
while (g_ascii_isspace (*key_end))
key_end--;
key_len = key_end - line + 2;
g_assert (key_len <= length);
key = g_strndup (line, key_len - 1);
/* Pull the value from the line (chugging leading whitespace)
*/
while (g_ascii_isspace (*value_start))
value_start++;
value_len = line + length - value_start + 1;
value = g_strndup (value_start, value_len);
g_assert (key_file->start_group != NULL);
if (key_file->current_group
&& key_file->current_group->name
&& strcmp (key_file->start_group->name,
key_file->current_group->name) == 0
&& strcmp (key, "Encoding") == 0)
{
if (g_ascii_strcasecmp (value, "UTF-8") != 0)
{
g_set_error (error, G_KEY_FILE_ERROR,
G_KEY_FILE_ERROR_UNKNOWN_ENCODING,
_("Key file contains unsupported encoding '%s'"), value);
g_free (key);
g_free (value);
return;
}
}
/* Is this key a translation? If so, is it one that we care about?
*/
locale = key_get_locale (key);
if (locale == NULL || g_key_file_locale_is_interesting (key_file, locale))
g_key_file_add_key (key_file, key_file->current_group, key, value);
g_free (locale);
g_free (key);
g_free (value);
}
static gchar *
key_get_locale (const gchar *key)
{
gchar *locale;
locale = g_strrstr (key, "[");
if (locale && strlen (locale) <= 2)
locale = NULL;
if (locale)
locale = g_strndup (locale + 1, strlen (locale) - 2);
return locale;
}
static void
g_key_file_parse_data (GKeyFile *key_file,
const gchar *data,
gsize length,
GError **error)
{
GError *parse_error;
gsize i;
g_return_if_fail (key_file != NULL);
g_return_if_fail (data != NULL);
parse_error = NULL;
for (i = 0; i < length; i++)
{
if (data[i] == '\n')
{
if (i > 0 && data[i - 1] == '\r')
g_string_erase (key_file->parse_buffer,
key_file->parse_buffer->len - 1,
1);
/* When a newline is encountered flush the parse buffer so that the
* line can be parsed. Note that completely blank lines won't show
* up in the parse buffer, so they get parsed directly.
*/
if (key_file->parse_buffer->len > 0)
g_key_file_flush_parse_buffer (key_file, &parse_error);
else
g_key_file_parse_comment (key_file, "", 1, &parse_error);
if (parse_error)
{
g_propagate_error (error, parse_error);
return;
}
}
else
g_string_append_c (key_file->parse_buffer, data[i]);
}
key_file->approximate_size += length;
}
static void
g_key_file_flush_parse_buffer (GKeyFile *key_file,
GError **error)
{
GError *file_error = NULL;
g_return_if_fail (key_file != NULL);
file_error = NULL;
if (key_file->parse_buffer->len > 0)
{
g_key_file_parse_line (key_file, key_file->parse_buffer->str,
key_file->parse_buffer->len,
&file_error);
g_string_erase (key_file->parse_buffer, 0, -1);
if (file_error)
{
g_propagate_error (error, file_error);
return;
}
}
}
/**
* g_key_file_to_data:
* @key_file: a #GKeyFile
* @length: return location for the length of the
* returned string, or %NULL
* @error: return location for a #GError, or %NULL
*
* This function outputs @key_file as a string.
*
* Return value: a newly allocated string holding
* the contents of the #GKeyFile
*
* Since: 2.6
**/
gchar *
g_key_file_to_data (GKeyFile *key_file,
gsize *length,
GError **error)
{
GString *data_string;
gchar *data;
GList *group_node, *key_file_node;
g_return_val_if_fail (key_file != NULL, NULL);
data_string = g_string_sized_new (2 * key_file->approximate_size);
for (group_node = g_list_last (key_file->groups);
group_node != NULL;
group_node = group_node->prev)
{
GKeyFileGroup *group;
group = (GKeyFileGroup *) group_node->data;
if (group->comment != NULL)
g_string_append_printf (data_string, "%s\n", group->comment->value);
if (group->name != NULL)
g_string_append_printf (data_string, "[%s]\n", group->name);
for (key_file_node = g_list_last (group->key_value_pairs);
key_file_node != NULL;
key_file_node = key_file_node->prev)
{
GKeyFileKeyValuePair *pair;
pair = (GKeyFileKeyValuePair *) key_file_node->data;
if (pair->key != NULL)
g_string_append_printf (data_string, "%s=%s\n", pair->key, pair->value);
else
g_string_append_printf (data_string, "%s\n", pair->value);
}
}
if (length)
*length = data_string->len;
data = data_string->str;
g_string_free (data_string, FALSE);
return data;
}
/**
* g_key_file_get_keys:
* @key_file: a #GKeyFile
* @group_name: a group name
* @length: return location for the number of keys returned, or %NULL
* @error: return location for a #GError, or %NULL
*
* Returns all keys for the group name @group_name. The array of
* returned keys will be %NULL-terminated, so @length may
* optionally be %NULL. In the event that the @group_name cannot
* be found, %NULL is returned and @error is set to
* #G_KEY_FILE_ERROR_GROUP_NOT_FOUND.
*
* Return value: a newly-allocated %NULL-terminated array of
* strings. Use g_strfreev() to free it.
*
* Since: 2.6
**/
gchar **
g_key_file_get_keys (GKeyFile *key_file,
const gchar *group_name,
gsize *length,
GError **error)
{
GKeyFileGroup *group;
GList *tmp;
gchar **keys;
gsize i, num_keys;
g_return_val_if_fail (key_file != NULL, NULL);