forked from LineageOS/android_external_libxml2
-
Notifications
You must be signed in to change notification settings - Fork 0
/
catalog.c
3828 lines (3505 loc) · 96.9 KB
/
catalog.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
/**
* catalog.c: set of generic Catalog related routines
*
* Reference: SGML Open Technical Resolution TR9401:1997.
* http://www.jclark.com/sp/catalog.htm
*
* XML Catalogs Working Draft 06 August 2001
* http://www.oasis-open.org/committees/entity/spec-2001-08-06.html
*
* See Copyright for the status of this software.
*
*/
#define IN_LIBXML
#include "libxml.h"
#ifdef LIBXML_CATALOG_ENABLED
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <string.h>
#include <libxml/xmlmemory.h>
#include <libxml/hash.h>
#include <libxml/uri.h>
#include <libxml/parserInternals.h>
#include <libxml/catalog.h>
#include <libxml/xmlerror.h>
#include <libxml/threads.h>
#include <libxml/globals.h>
#include "buf.h"
#define MAX_DELEGATE 50
#define MAX_CATAL_DEPTH 50
#ifdef _WIN32
# define PATH_SEPARATOR ';'
#else
# define PATH_SEPARATOR ':'
#endif
/**
* TODO:
*
* macro to flag unimplemented blocks
* XML_CATALOG_PREFER user env to select between system/public prefered
* option. C.f. Richard Tobin <[email protected]>
*> Just FYI, I am using an environment variable XML_CATALOG_PREFER with
*> values "system" and "public". I have made the default be "system" to
*> match yours.
*/
#define TODO \
xmlGenericError(xmlGenericErrorContext, \
"Unimplemented block at %s:%d\n", \
__FILE__, __LINE__);
#define XML_URN_PUBID "urn:publicid:"
#define XML_CATAL_BREAK ((xmlChar *) -1)
#ifndef XML_XML_DEFAULT_CATALOG
#define XML_XML_DEFAULT_CATALOG "file:///etc/xml/catalog"
#endif
#ifndef XML_SGML_DEFAULT_CATALOG
#define XML_SGML_DEFAULT_CATALOG "file:///etc/sgml/catalog"
#endif
#if defined(_WIN32) && defined(_MSC_VER)
#undef XML_XML_DEFAULT_CATALOG
static char XML_XML_DEFAULT_CATALOG[256] = "file:///etc/xml/catalog";
#if defined(_WIN32_WCE)
/* Windows CE don't have a A variant */
#define GetModuleHandleA GetModuleHandle
#define GetModuleFileNameA GetModuleFileName
#else
#if !defined(_WINDOWS_)
void* __stdcall GetModuleHandleA(const char*);
unsigned long __stdcall GetModuleFileNameA(void*, char*, unsigned long);
#endif
#endif
#endif
static xmlChar *xmlCatalogNormalizePublic(const xmlChar *pubID);
static int xmlExpandCatalog(xmlCatalogPtr catal, const char *filename);
/************************************************************************
* *
* Types, all private *
* *
************************************************************************/
typedef enum {
XML_CATA_REMOVED = -1,
XML_CATA_NONE = 0,
XML_CATA_CATALOG,
XML_CATA_BROKEN_CATALOG,
XML_CATA_NEXT_CATALOG,
XML_CATA_GROUP,
XML_CATA_PUBLIC,
XML_CATA_SYSTEM,
XML_CATA_REWRITE_SYSTEM,
XML_CATA_DELEGATE_PUBLIC,
XML_CATA_DELEGATE_SYSTEM,
XML_CATA_URI,
XML_CATA_REWRITE_URI,
XML_CATA_DELEGATE_URI,
SGML_CATA_SYSTEM,
SGML_CATA_PUBLIC,
SGML_CATA_ENTITY,
SGML_CATA_PENTITY,
SGML_CATA_DOCTYPE,
SGML_CATA_LINKTYPE,
SGML_CATA_NOTATION,
SGML_CATA_DELEGATE,
SGML_CATA_BASE,
SGML_CATA_CATALOG,
SGML_CATA_DOCUMENT,
SGML_CATA_SGMLDECL
} xmlCatalogEntryType;
typedef struct _xmlCatalogEntry xmlCatalogEntry;
typedef xmlCatalogEntry *xmlCatalogEntryPtr;
struct _xmlCatalogEntry {
struct _xmlCatalogEntry *next;
struct _xmlCatalogEntry *parent;
struct _xmlCatalogEntry *children;
xmlCatalogEntryType type;
xmlChar *name;
xmlChar *value;
xmlChar *URL; /* The expanded URL using the base */
xmlCatalogPrefer prefer;
int dealloc;
int depth;
struct _xmlCatalogEntry *group;
};
typedef enum {
XML_XML_CATALOG_TYPE = 1,
XML_SGML_CATALOG_TYPE
} xmlCatalogType;
#define XML_MAX_SGML_CATA_DEPTH 10
struct _xmlCatalog {
xmlCatalogType type; /* either XML or SGML */
/*
* SGML Catalogs are stored as a simple hash table of catalog entries
* Catalog stack to check against overflows when building the
* SGML catalog
*/
char *catalTab[XML_MAX_SGML_CATA_DEPTH]; /* stack of catals */
int catalNr; /* Number of current catal streams */
int catalMax; /* Max number of catal streams */
xmlHashTablePtr sgml;
/*
* XML Catalogs are stored as a tree of Catalog entries
*/
xmlCatalogPrefer prefer;
xmlCatalogEntryPtr xml;
};
/************************************************************************
* *
* Global variables *
* *
************************************************************************/
/*
* Those are preferences
*/
static int xmlDebugCatalogs = 0; /* used for debugging */
static xmlCatalogAllow xmlCatalogDefaultAllow = XML_CATA_ALLOW_ALL;
static xmlCatalogPrefer xmlCatalogDefaultPrefer = XML_CATA_PREFER_PUBLIC;
/*
* Hash table containing all the trees of XML catalogs parsed by
* the application.
*/
static xmlHashTablePtr xmlCatalogXMLFiles = NULL;
/*
* The default catalog in use by the application
*/
static xmlCatalogPtr xmlDefaultCatalog = NULL;
/*
* A mutex for modifying the shared global catalog(s)
* xmlDefaultCatalog tree.
* It also protects xmlCatalogXMLFiles
* The core of this readers/writer scheme is in xmlFetchXMLCatalogFile()
*/
static xmlRMutexPtr xmlCatalogMutex = NULL;
/*
* Whether the catalog support was initialized.
*/
static int xmlCatalogInitialized = 0;
/************************************************************************
* *
* Catalog error handlers *
* *
************************************************************************/
/**
* xmlCatalogErrMemory:
* @extra: extra informations
*
* Handle an out of memory condition
*/
static void
xmlCatalogErrMemory(const char *extra)
{
__xmlRaiseError(NULL, NULL, NULL, NULL, NULL, XML_FROM_CATALOG,
XML_ERR_NO_MEMORY, XML_ERR_ERROR, NULL, 0,
extra, NULL, NULL, 0, 0,
"Memory allocation failed : %s\n", extra);
}
/**
* xmlCatalogErr:
* @catal: the Catalog entry
* @node: the context node
* @msg: the error message
* @extra: extra informations
*
* Handle a catalog error
*/
static void LIBXML_ATTR_FORMAT(4,0)
xmlCatalogErr(xmlCatalogEntryPtr catal, xmlNodePtr node, int error,
const char *msg, const xmlChar *str1, const xmlChar *str2,
const xmlChar *str3)
{
__xmlRaiseError(NULL, NULL, NULL, catal, node, XML_FROM_CATALOG,
error, XML_ERR_ERROR, NULL, 0,
(const char *) str1, (const char *) str2,
(const char *) str3, 0, 0,
msg, str1, str2, str3);
}
/************************************************************************
* *
* Allocation and Freeing *
* *
************************************************************************/
/**
* xmlNewCatalogEntry:
* @type: type of entry
* @name: name of the entry
* @value: value of the entry
* @prefer: the PUBLIC vs. SYSTEM current preference value
* @group: for members of a group, the group entry
*
* create a new Catalog entry, this type is shared both by XML and
* SGML catalogs, but the acceptable types values differs.
*
* Returns the xmlCatalogEntryPtr or NULL in case of error
*/
static xmlCatalogEntryPtr
xmlNewCatalogEntry(xmlCatalogEntryType type, const xmlChar *name,
const xmlChar *value, const xmlChar *URL, xmlCatalogPrefer prefer,
xmlCatalogEntryPtr group) {
xmlCatalogEntryPtr ret;
xmlChar *normid = NULL;
ret = (xmlCatalogEntryPtr) xmlMalloc(sizeof(xmlCatalogEntry));
if (ret == NULL) {
xmlCatalogErrMemory("allocating catalog entry");
return(NULL);
}
ret->next = NULL;
ret->parent = NULL;
ret->children = NULL;
ret->type = type;
if (type == XML_CATA_PUBLIC || type == XML_CATA_DELEGATE_PUBLIC) {
normid = xmlCatalogNormalizePublic(name);
if (normid != NULL)
name = (*normid != 0 ? normid : NULL);
}
if (name != NULL)
ret->name = xmlStrdup(name);
else
ret->name = NULL;
if (normid != NULL)
xmlFree(normid);
if (value != NULL)
ret->value = xmlStrdup(value);
else
ret->value = NULL;
if (URL == NULL)
URL = value;
if (URL != NULL)
ret->URL = xmlStrdup(URL);
else
ret->URL = NULL;
ret->prefer = prefer;
ret->dealloc = 0;
ret->depth = 0;
ret->group = group;
return(ret);
}
static void
xmlFreeCatalogEntryList(xmlCatalogEntryPtr ret);
/**
* xmlFreeCatalogEntry:
* @payload: a Catalog entry
*
* Free the memory allocated to a Catalog entry
*/
static void
xmlFreeCatalogEntry(void *payload, const xmlChar *name ATTRIBUTE_UNUSED) {
xmlCatalogEntryPtr ret = (xmlCatalogEntryPtr) payload;
if (ret == NULL)
return;
/*
* Entries stored in the file hash must be deallocated
* only by the file hash cleaner !
*/
if (ret->dealloc == 1)
return;
if (xmlDebugCatalogs) {
if (ret->name != NULL)
xmlGenericError(xmlGenericErrorContext,
"Free catalog entry %s\n", ret->name);
else if (ret->value != NULL)
xmlGenericError(xmlGenericErrorContext,
"Free catalog entry %s\n", ret->value);
else
xmlGenericError(xmlGenericErrorContext,
"Free catalog entry\n");
}
if (ret->name != NULL)
xmlFree(ret->name);
if (ret->value != NULL)
xmlFree(ret->value);
if (ret->URL != NULL)
xmlFree(ret->URL);
xmlFree(ret);
}
/**
* xmlFreeCatalogEntryList:
* @ret: a Catalog entry list
*
* Free the memory allocated to a full chained list of Catalog entries
*/
static void
xmlFreeCatalogEntryList(xmlCatalogEntryPtr ret) {
xmlCatalogEntryPtr next;
while (ret != NULL) {
next = ret->next;
xmlFreeCatalogEntry(ret, NULL);
ret = next;
}
}
/**
* xmlFreeCatalogHashEntryList:
* @payload: a Catalog entry list
*
* Free the memory allocated to list of Catalog entries from the
* catalog file hash.
*/
static void
xmlFreeCatalogHashEntryList(void *payload,
const xmlChar *name ATTRIBUTE_UNUSED) {
xmlCatalogEntryPtr catal = (xmlCatalogEntryPtr) payload;
xmlCatalogEntryPtr children, next;
if (catal == NULL)
return;
children = catal->children;
while (children != NULL) {
next = children->next;
children->dealloc = 0;
children->children = NULL;
xmlFreeCatalogEntry(children, NULL);
children = next;
}
catal->dealloc = 0;
xmlFreeCatalogEntry(catal, NULL);
}
/**
* xmlCreateNewCatalog:
* @type: type of catalog
* @prefer: the PUBLIC vs. SYSTEM current preference value
*
* create a new Catalog, this type is shared both by XML and
* SGML catalogs, but the acceptable types values differs.
*
* Returns the xmlCatalogPtr or NULL in case of error
*/
static xmlCatalogPtr
xmlCreateNewCatalog(xmlCatalogType type, xmlCatalogPrefer prefer) {
xmlCatalogPtr ret;
ret = (xmlCatalogPtr) xmlMalloc(sizeof(xmlCatalog));
if (ret == NULL) {
xmlCatalogErrMemory("allocating catalog");
return(NULL);
}
memset(ret, 0, sizeof(xmlCatalog));
ret->type = type;
ret->catalNr = 0;
ret->catalMax = XML_MAX_SGML_CATA_DEPTH;
ret->prefer = prefer;
if (ret->type == XML_SGML_CATALOG_TYPE)
ret->sgml = xmlHashCreate(10);
return(ret);
}
/**
* xmlFreeCatalog:
* @catal: a Catalog
*
* Free the memory allocated to a Catalog
*/
void
xmlFreeCatalog(xmlCatalogPtr catal) {
if (catal == NULL)
return;
if (catal->xml != NULL)
xmlFreeCatalogEntryList(catal->xml);
if (catal->sgml != NULL)
xmlHashFree(catal->sgml, xmlFreeCatalogEntry);
xmlFree(catal);
}
/************************************************************************
* *
* Serializing Catalogs *
* *
************************************************************************/
#ifdef LIBXML_OUTPUT_ENABLED
/**
* xmlCatalogDumpEntry:
* @entry: the catalog entry
* @out: the file.
*
* Serialize an SGML Catalog entry
*/
static void
xmlCatalogDumpEntry(void *payload, void *data,
const xmlChar *name ATTRIBUTE_UNUSED) {
xmlCatalogEntryPtr entry = (xmlCatalogEntryPtr) payload;
FILE *out = (FILE *) data;
if ((entry == NULL) || (out == NULL))
return;
switch (entry->type) {
case SGML_CATA_ENTITY:
fprintf(out, "ENTITY "); break;
case SGML_CATA_PENTITY:
fprintf(out, "ENTITY %%"); break;
case SGML_CATA_DOCTYPE:
fprintf(out, "DOCTYPE "); break;
case SGML_CATA_LINKTYPE:
fprintf(out, "LINKTYPE "); break;
case SGML_CATA_NOTATION:
fprintf(out, "NOTATION "); break;
case SGML_CATA_PUBLIC:
fprintf(out, "PUBLIC "); break;
case SGML_CATA_SYSTEM:
fprintf(out, "SYSTEM "); break;
case SGML_CATA_DELEGATE:
fprintf(out, "DELEGATE "); break;
case SGML_CATA_BASE:
fprintf(out, "BASE "); break;
case SGML_CATA_CATALOG:
fprintf(out, "CATALOG "); break;
case SGML_CATA_DOCUMENT:
fprintf(out, "DOCUMENT "); break;
case SGML_CATA_SGMLDECL:
fprintf(out, "SGMLDECL "); break;
default:
return;
}
switch (entry->type) {
case SGML_CATA_ENTITY:
case SGML_CATA_PENTITY:
case SGML_CATA_DOCTYPE:
case SGML_CATA_LINKTYPE:
case SGML_CATA_NOTATION:
fprintf(out, "%s", (const char *) entry->name); break;
case SGML_CATA_PUBLIC:
case SGML_CATA_SYSTEM:
case SGML_CATA_SGMLDECL:
case SGML_CATA_DOCUMENT:
case SGML_CATA_CATALOG:
case SGML_CATA_BASE:
case SGML_CATA_DELEGATE:
fprintf(out, "\"%s\"", entry->name); break;
default:
break;
}
switch (entry->type) {
case SGML_CATA_ENTITY:
case SGML_CATA_PENTITY:
case SGML_CATA_DOCTYPE:
case SGML_CATA_LINKTYPE:
case SGML_CATA_NOTATION:
case SGML_CATA_PUBLIC:
case SGML_CATA_SYSTEM:
case SGML_CATA_DELEGATE:
fprintf(out, " \"%s\"", entry->value); break;
default:
break;
}
fprintf(out, "\n");
}
/**
* xmlDumpXMLCatalogNode:
* @catal: top catalog entry
* @catalog: pointer to the xml tree
* @doc: the containing document
* @ns: the current namespace
* @cgroup: group node for group members
*
* Serializes a Catalog entry, called by xmlDumpXMLCatalog and recursively
* for group entries
*/
static void xmlDumpXMLCatalogNode(xmlCatalogEntryPtr catal, xmlNodePtr catalog,
xmlDocPtr doc, xmlNsPtr ns, xmlCatalogEntryPtr cgroup) {
xmlNodePtr node;
xmlCatalogEntryPtr cur;
/*
* add all the catalog entries
*/
cur = catal;
while (cur != NULL) {
if (cur->group == cgroup) {
switch (cur->type) {
case XML_CATA_REMOVED:
break;
case XML_CATA_BROKEN_CATALOG:
case XML_CATA_CATALOG:
if (cur == catal) {
cur = cur->children;
continue;
}
break;
case XML_CATA_NEXT_CATALOG:
node = xmlNewDocNode(doc, ns, BAD_CAST "nextCatalog", NULL);
xmlSetProp(node, BAD_CAST "catalog", cur->value);
xmlAddChild(catalog, node);
break;
case XML_CATA_NONE:
break;
case XML_CATA_GROUP:
node = xmlNewDocNode(doc, ns, BAD_CAST "group", NULL);
xmlSetProp(node, BAD_CAST "id", cur->name);
if (cur->value != NULL) {
xmlNsPtr xns;
xns = xmlSearchNsByHref(doc, node, XML_XML_NAMESPACE);
if (xns != NULL)
xmlSetNsProp(node, xns, BAD_CAST "base",
cur->value);
}
switch (cur->prefer) {
case XML_CATA_PREFER_NONE:
break;
case XML_CATA_PREFER_PUBLIC:
xmlSetProp(node, BAD_CAST "prefer", BAD_CAST "public");
break;
case XML_CATA_PREFER_SYSTEM:
xmlSetProp(node, BAD_CAST "prefer", BAD_CAST "system");
break;
}
xmlDumpXMLCatalogNode(cur->next, node, doc, ns, cur);
xmlAddChild(catalog, node);
break;
case XML_CATA_PUBLIC:
node = xmlNewDocNode(doc, ns, BAD_CAST "public", NULL);
xmlSetProp(node, BAD_CAST "publicId", cur->name);
xmlSetProp(node, BAD_CAST "uri", cur->value);
xmlAddChild(catalog, node);
break;
case XML_CATA_SYSTEM:
node = xmlNewDocNode(doc, ns, BAD_CAST "system", NULL);
xmlSetProp(node, BAD_CAST "systemId", cur->name);
xmlSetProp(node, BAD_CAST "uri", cur->value);
xmlAddChild(catalog, node);
break;
case XML_CATA_REWRITE_SYSTEM:
node = xmlNewDocNode(doc, ns, BAD_CAST "rewriteSystem", NULL);
xmlSetProp(node, BAD_CAST "systemIdStartString", cur->name);
xmlSetProp(node, BAD_CAST "rewritePrefix", cur->value);
xmlAddChild(catalog, node);
break;
case XML_CATA_DELEGATE_PUBLIC:
node = xmlNewDocNode(doc, ns, BAD_CAST "delegatePublic", NULL);
xmlSetProp(node, BAD_CAST "publicIdStartString", cur->name);
xmlSetProp(node, BAD_CAST "catalog", cur->value);
xmlAddChild(catalog, node);
break;
case XML_CATA_DELEGATE_SYSTEM:
node = xmlNewDocNode(doc, ns, BAD_CAST "delegateSystem", NULL);
xmlSetProp(node, BAD_CAST "systemIdStartString", cur->name);
xmlSetProp(node, BAD_CAST "catalog", cur->value);
xmlAddChild(catalog, node);
break;
case XML_CATA_URI:
node = xmlNewDocNode(doc, ns, BAD_CAST "uri", NULL);
xmlSetProp(node, BAD_CAST "name", cur->name);
xmlSetProp(node, BAD_CAST "uri", cur->value);
xmlAddChild(catalog, node);
break;
case XML_CATA_REWRITE_URI:
node = xmlNewDocNode(doc, ns, BAD_CAST "rewriteURI", NULL);
xmlSetProp(node, BAD_CAST "uriStartString", cur->name);
xmlSetProp(node, BAD_CAST "rewritePrefix", cur->value);
xmlAddChild(catalog, node);
break;
case XML_CATA_DELEGATE_URI:
node = xmlNewDocNode(doc, ns, BAD_CAST "delegateURI", NULL);
xmlSetProp(node, BAD_CAST "uriStartString", cur->name);
xmlSetProp(node, BAD_CAST "catalog", cur->value);
xmlAddChild(catalog, node);
break;
case SGML_CATA_SYSTEM:
case SGML_CATA_PUBLIC:
case SGML_CATA_ENTITY:
case SGML_CATA_PENTITY:
case SGML_CATA_DOCTYPE:
case SGML_CATA_LINKTYPE:
case SGML_CATA_NOTATION:
case SGML_CATA_DELEGATE:
case SGML_CATA_BASE:
case SGML_CATA_CATALOG:
case SGML_CATA_DOCUMENT:
case SGML_CATA_SGMLDECL:
break;
}
}
cur = cur->next;
}
}
static int
xmlDumpXMLCatalog(FILE *out, xmlCatalogEntryPtr catal) {
int ret;
xmlDocPtr doc;
xmlNsPtr ns;
xmlDtdPtr dtd;
xmlNodePtr catalog;
xmlOutputBufferPtr buf;
/*
* Rebuild a catalog
*/
doc = xmlNewDoc(NULL);
if (doc == NULL)
return(-1);
dtd = xmlNewDtd(doc, BAD_CAST "catalog",
BAD_CAST "-//OASIS//DTD Entity Resolution XML Catalog V1.0//EN",
BAD_CAST "http://www.oasis-open.org/committees/entity/release/1.0/catalog.dtd");
xmlAddChild((xmlNodePtr) doc, (xmlNodePtr) dtd);
ns = xmlNewNs(NULL, XML_CATALOGS_NAMESPACE, NULL);
if (ns == NULL) {
xmlFreeDoc(doc);
return(-1);
}
catalog = xmlNewDocNode(doc, ns, BAD_CAST "catalog", NULL);
if (catalog == NULL) {
xmlFreeNs(ns);
xmlFreeDoc(doc);
return(-1);
}
catalog->nsDef = ns;
xmlAddChild((xmlNodePtr) doc, catalog);
xmlDumpXMLCatalogNode(catal, catalog, doc, ns, NULL);
/*
* reserialize it
*/
buf = xmlOutputBufferCreateFile(out, NULL);
if (buf == NULL) {
xmlFreeDoc(doc);
return(-1);
}
ret = xmlSaveFormatFileTo(buf, doc, NULL, 1);
/*
* Free it
*/
xmlFreeDoc(doc);
return(ret);
}
#endif /* LIBXML_OUTPUT_ENABLED */
/************************************************************************
* *
* Converting SGML Catalogs to XML *
* *
************************************************************************/
/**
* xmlCatalogConvertEntry:
* @entry: the entry
* @catal: pointer to the catalog being converted
*
* Convert one entry from the catalog
*/
static void
xmlCatalogConvertEntry(void *payload, void *data,
const xmlChar *name ATTRIBUTE_UNUSED) {
xmlCatalogEntryPtr entry = (xmlCatalogEntryPtr) payload;
xmlCatalogPtr catal = (xmlCatalogPtr) data;
if ((entry == NULL) || (catal == NULL) || (catal->sgml == NULL) ||
(catal->xml == NULL))
return;
switch (entry->type) {
case SGML_CATA_ENTITY:
entry->type = XML_CATA_PUBLIC;
break;
case SGML_CATA_PENTITY:
entry->type = XML_CATA_PUBLIC;
break;
case SGML_CATA_DOCTYPE:
entry->type = XML_CATA_PUBLIC;
break;
case SGML_CATA_LINKTYPE:
entry->type = XML_CATA_PUBLIC;
break;
case SGML_CATA_NOTATION:
entry->type = XML_CATA_PUBLIC;
break;
case SGML_CATA_PUBLIC:
entry->type = XML_CATA_PUBLIC;
break;
case SGML_CATA_SYSTEM:
entry->type = XML_CATA_SYSTEM;
break;
case SGML_CATA_DELEGATE:
entry->type = XML_CATA_DELEGATE_PUBLIC;
break;
case SGML_CATA_CATALOG:
entry->type = XML_CATA_CATALOG;
break;
default:
xmlHashRemoveEntry(catal->sgml, entry->name, xmlFreeCatalogEntry);
return;
}
/*
* Conversion successful, remove from the SGML catalog
* and add it to the default XML one
*/
xmlHashRemoveEntry(catal->sgml, entry->name, NULL);
entry->parent = catal->xml;
entry->next = NULL;
if (catal->xml->children == NULL)
catal->xml->children = entry;
else {
xmlCatalogEntryPtr prev;
prev = catal->xml->children;
while (prev->next != NULL)
prev = prev->next;
prev->next = entry;
}
}
/**
* xmlConvertSGMLCatalog:
* @catal: the catalog
*
* Convert all the SGML catalog entries as XML ones
*
* Returns the number of entries converted if successful, -1 otherwise
*/
int
xmlConvertSGMLCatalog(xmlCatalogPtr catal) {
if ((catal == NULL) || (catal->type != XML_SGML_CATALOG_TYPE))
return(-1);
if (xmlDebugCatalogs) {
xmlGenericError(xmlGenericErrorContext,
"Converting SGML catalog to XML\n");
}
xmlHashScan(catal->sgml, xmlCatalogConvertEntry, &catal);
return(0);
}
/************************************************************************
* *
* Helper function *
* *
************************************************************************/
/**
* xmlCatalogUnWrapURN:
* @urn: an "urn:publicid:" to unwrap
*
* Expand the URN into the equivalent Public Identifier
*
* Returns the new identifier or NULL, the string must be deallocated
* by the caller.
*/
static xmlChar *
xmlCatalogUnWrapURN(const xmlChar *urn) {
xmlChar result[2000];
unsigned int i = 0;
if (xmlStrncmp(urn, BAD_CAST XML_URN_PUBID, sizeof(XML_URN_PUBID) - 1))
return(NULL);
urn += sizeof(XML_URN_PUBID) - 1;
while (*urn != 0) {
if (i > sizeof(result) - 4)
break;
if (*urn == '+') {
result[i++] = ' ';
urn++;
} else if (*urn == ':') {
result[i++] = '/';
result[i++] = '/';
urn++;
} else if (*urn == ';') {
result[i++] = ':';
result[i++] = ':';
urn++;
} else if (*urn == '%') {
if ((urn[1] == '2') && (urn[2] == 'B'))
result[i++] = '+';
else if ((urn[1] == '3') && (urn[2] == 'A'))
result[i++] = ':';
else if ((urn[1] == '2') && (urn[2] == 'F'))
result[i++] = '/';
else if ((urn[1] == '3') && (urn[2] == 'B'))
result[i++] = ';';
else if ((urn[1] == '2') && (urn[2] == '7'))
result[i++] = '\'';
else if ((urn[1] == '3') && (urn[2] == 'F'))
result[i++] = '?';
else if ((urn[1] == '2') && (urn[2] == '3'))
result[i++] = '#';
else if ((urn[1] == '2') && (urn[2] == '5'))
result[i++] = '%';
else {
result[i++] = *urn;
urn++;
continue;
}
urn += 3;
} else {
result[i++] = *urn;
urn++;
}
}
result[i] = 0;
return(xmlStrdup(result));
}
/**
* xmlParseCatalogFile:
* @filename: the filename
*
* parse an XML file and build a tree. It's like xmlParseFile()
* except it bypass all catalog lookups.
*
* Returns the resulting document tree or NULL in case of error
*/
xmlDocPtr
xmlParseCatalogFile(const char *filename) {
xmlDocPtr ret;
xmlParserCtxtPtr ctxt;
char *directory = NULL;
xmlParserInputPtr inputStream;
xmlParserInputBufferPtr buf;
ctxt = xmlNewParserCtxt();
if (ctxt == NULL) {
#ifdef LIBXML_SAX1_ENABLED
if (xmlDefaultSAXHandler.error != NULL) {
xmlDefaultSAXHandler.error(NULL, "out of memory\n");
}
#endif
return(NULL);
}
buf = xmlParserInputBufferCreateFilename(filename, XML_CHAR_ENCODING_NONE);
if (buf == NULL) {
xmlFreeParserCtxt(ctxt);
return(NULL);
}
inputStream = xmlNewInputStream(ctxt);
if (inputStream == NULL) {
xmlFreeParserCtxt(ctxt);
return(NULL);
}
inputStream->filename = (char *) xmlCanonicPath((const xmlChar *)filename);
inputStream->buf = buf;
xmlBufResetInput(buf->buffer, inputStream);
inputPush(ctxt, inputStream);
if ((ctxt->directory == NULL) && (directory == NULL))
directory = xmlParserGetDirectory(filename);
if ((ctxt->directory == NULL) && (directory != NULL))
ctxt->directory = directory;
ctxt->valid = 0;
ctxt->validate = 0;
ctxt->loadsubset = 0;
ctxt->pedantic = 0;
ctxt->dictNames = 1;
xmlParseDocument(ctxt);
if (ctxt->wellFormed)
ret = ctxt->myDoc;
else {
ret = NULL;
xmlFreeDoc(ctxt->myDoc);
ctxt->myDoc = NULL;
}
xmlFreeParserCtxt(ctxt);
return(ret);
}
/**
* xmlLoadFileContent:
* @filename: a file path
*
* Load a file content into memory.
*
* Returns a pointer to the 0 terminated string or NULL in case of error
*/
static xmlChar *
xmlLoadFileContent(const char *filename)
{
#ifdef HAVE_STAT
int fd;
#else
FILE *fd;
#endif
int len;
long size;
#ifdef HAVE_STAT
struct stat info;
#endif
xmlChar *content;
if (filename == NULL)
return (NULL);
#ifdef HAVE_STAT
if (stat(filename, &info) < 0)
return (NULL);
#endif
#ifdef HAVE_STAT
if ((fd = open(filename, O_RDONLY)) < 0)
#else
if ((fd = fopen(filename, "rb")) == NULL)
#endif
{
return (NULL);
}
#ifdef HAVE_STAT
size = info.st_size;
#else
if (fseek(fd, 0, SEEK_END) || (size = ftell(fd)) == EOF || fseek(fd, 0, SEEK_SET)) { /* File operations denied? ok, just close and return failure */
fclose(fd);
return (NULL);
}
#endif
content = (xmlChar*)xmlMallocAtomic(size + 10);
if (content == NULL) {