This repository was archived by the owner on Aug 31, 2021. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 223
Expand file tree
/
Copy pathxmlelement.cpp
More file actions
877 lines (798 loc) · 22.6 KB
/
Copy pathxmlelement.cpp
File metadata and controls
877 lines (798 loc) · 22.6 KB
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
/* Copyright (C) 2003-2015 LiveCode Ltd.
This file is part of LiveCode.
LiveCode is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License v3 as published by the Free
Software Foundation.
LiveCode 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 General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LiveCode. If not see <http://www.gnu.org/licenses/>. */
#include "cxml.h"
#include <revolution/support.h>
#if defined _MACOSX || defined ( _LINUX ) || defined (TARGET_SUBPLATFORM_IPHONE) || defined (TARGET_SUBPLATFORM_ANDROID)
#define _snprintf snprintf
#endif
/*GetName
returns name of element
*/
char *CXMLElement::GetName()
{
if (!isinited()) return NULL;
return (char *)element->name;
}
/*Modified libxml code to avoid truncating text of child elements*/
static xmlChar *
MyxmlNodeGetContent(xmlNodePtr cur) {
if (cur == NULL) return(NULL);
switch (cur->type) {
case XML_DOCUMENT_FRAG_NODE:
case XML_ELEMENT_NODE: {
xmlNodePtr tmp = cur;
xmlBufferPtr buffer;
xmlChar *ret;
buffer = xmlBufferCreate();
if (buffer == NULL)
return(NULL);
while (tmp != NULL) {
switch (tmp->type) {
case XML_CDATA_SECTION_NODE:
case XML_TEXT_NODE:
if (tmp->content != NULL)
#ifndef XML_USE_BUFFER_CONTENT
xmlBufferCat(buffer, tmp->content);
#else
xmlBufferCat(buffer,
xmlBufferContent(tmp->content));
#endif
break;
case XML_ENTITY_REF_NODE: {
xmlEntityPtr ent;
ent = xmlGetDocEntity(cur->doc, tmp->name);
if (ent != NULL)
xmlBufferCat(buffer, ent->content);
}
default:
break;
}
/*
* Skip to next node
*/
if (tmp->children != NULL) {
if (tmp->children->type != XML_ENTITY_DECL && tmp->children->type != XML_ELEMENT_NODE) {
tmp = tmp->children;
continue;
}
}
if (tmp == cur)
break;
if (tmp->next != NULL) {
tmp = tmp->next;
continue;
}
do {
tmp = tmp->parent;
if (tmp == NULL)
break;
if (tmp == cur) {
tmp = NULL;
break;
}
if (tmp->next != NULL) {
tmp = tmp->next;
break;
}
} while (tmp != NULL);
}
ret = buffer->content;
buffer->content = NULL;
xmlBufferFree(buffer);
return(ret);
}
case XML_ATTRIBUTE_NODE: {
xmlAttrPtr attr = (xmlAttrPtr) cur;
if (attr->parent != NULL)
return(xmlNodeListGetString(attr->parent->doc, attr->children, 1));
else
return(xmlNodeListGetString(NULL, attr->children, 1));
break;
}
case XML_COMMENT_NODE:
case XML_PI_NODE:
if (cur->content != NULL)
#ifndef XML_USE_BUFFER_CONTENT
return(xmlStrdup(cur->content));
#else
return(xmlStrdup(xmlBufferContent(cur->content)));
#endif
return(NULL);
case XML_ENTITY_REF_NODE:
/*
* Locate the entity, and get it's content
* @@@
*/
return(NULL);
case XML_ENTITY_NODE:
case XML_DOCUMENT_NODE:
case XML_HTML_DOCUMENT_NODE:
case XML_DOCUMENT_TYPE_NODE:
case XML_NOTATION_NODE:
case XML_DTD_NODE:
case XML_XINCLUDE_START:
case XML_XINCLUDE_END:
#ifdef LIBXML_DOCB_ENABLED
case XML_DOCB_DOCUMENT_NODE:
#endif
return(NULL);
case XML_NAMESPACE_DECL:
return(xmlStrdup(((xmlNsPtr)cur)->href));
case XML_ELEMENT_DECL:
/* UNIMPLEMENTED */
return(NULL);
case XML_ATTRIBUTE_DECL:
/* UNIMPLEMENTED */
return(NULL);
case XML_ENTITY_DECL:
/* UNIMPLEMENTED */
return(NULL);
case XML_CDATA_SECTION_NODE:
case XML_TEXT_NODE:
if (cur->content != NULL)
#ifndef XML_USE_BUFFER_CONTENT
return(xmlStrdup(cur->content));
#else
return(xmlStrdup(xmlBufferContent(cur->content)));
#endif
return(NULL);
}
return(NULL);
}
/*Modified libxml code to avoid outputting paths with namespaces..at least for now*/
static xmlChar *MyxmlGetNodePath(xmlNodePtr node)
{
xmlNodePtr cur, tmp, next;
xmlChar *buffer = NULL, *temp;
size_t buf_len;
xmlChar *buf;
char sep;
const char *name;
char nametemp[100];
int occur = 0;
if (node == NULL)
return (NULL);
buf_len = 500;
buffer = (xmlChar *) xmlMalloc(buf_len * sizeof(xmlChar));
if (buffer == NULL)
return (NULL);
buf = (xmlChar *) xmlMalloc(buf_len * sizeof(xmlChar));
if (buf == NULL) {
xmlFree(buffer);
return (NULL);
}
buffer[0] = 0;
cur = node;
do {
name = "";
sep = '?';
occur = 0;
if ((cur->type == XML_DOCUMENT_NODE) ||
(cur->type == XML_HTML_DOCUMENT_NODE)) {
if (buffer[0] == '/')
break;
sep = '/';
next = NULL;
} else if (cur->type == XML_ELEMENT_NODE) {
sep = '/';
name = (const char *) cur->name;
next = cur->parent;
/*
* Thumbler index computation
*/
tmp = cur->prev;
while (tmp != NULL) {
if (xmlStrEqual(cur->name, tmp->name))
occur++;
tmp = tmp->prev;
}
if (occur == 0) {
tmp = cur->next;
while (tmp != NULL) {
if (xmlStrEqual(cur->name, tmp->name))
{
occur++;
break;
}
tmp = tmp->next;
}
if (occur != 0)
occur = 1;
} else
occur++;
} else if (cur->type == XML_ATTRIBUTE_NODE) {
sep = '@';
name = (const char *) (((xmlAttrPtr) cur)->name);
next = ((xmlAttrPtr) cur)->parent;
} else if (cur->type == XML_TEXT_NODE || cur -> type == XML_CDATA_SECTION_NODE) {
sep = '/';
name = "";
next = cur->parent;
tmp = cur->prev;
while (tmp != NULL) {
if (tmp->type == XML_TEXT_NODE || tmp -> type == XML_CDATA_SECTION_NODE)
occur++;
tmp = tmp->prev;
}
if (occur == 0) {
tmp = cur->next;
while (tmp != NULL) {
if (tmp->type == XML_TEXT_NODE || tmp -> type == XML_CDATA_SECTION_NODE)
{
occur++;
break;
}
tmp = tmp->next;
}
if (occur != 0)
occur = 1;
} else
occur++;
if (occur == 0)
{
cur = next;
continue;
}
} else {
next = cur->parent;
}
/*
* Make sure there is enough room
*/
if (xmlStrlen(buffer) + sizeof(nametemp) + 20 > buf_len) {
buf_len =
2 * buf_len + xmlStrlen(buffer) + sizeof(nametemp) + 20;
temp = (xmlChar *) xmlRealloc(buffer, buf_len);
if (temp == NULL) {
xmlFree(buf);
xmlFree(buffer);
return (NULL);
}
buffer = temp;
temp = (xmlChar *) xmlRealloc(buf, buf_len);
if (temp == NULL) {
xmlFree(buf);
xmlFree(buffer);
return (NULL);
}
buf = temp;
}
if (occur == 0)
_snprintf((char *) buf, buf_len, "%c%s%s",
sep, name, (char *) buffer);
else
_snprintf((char *) buf, buf_len, "%c%s[%d]%s",
sep, name, occur, (char *) buffer);
_snprintf((char *) buffer, buf_len, "%s", buf);
cur = next;
} while (cur != NULL);
xmlFree(buf);
return (buffer);
}
/*GetPath
returns full path of element. Caller must free return buffer.
*/
char *CXMLElement::GetPath()
{
if (!isinited()) return NULL;
return (char *)MyxmlGetNodePath(element);
}
/*GetIndex
return the index of element
(ie. number of elements previous to this one with same tag)
*/
int CXMLElement::GetIndex()
{
CXMLElement telement;
telement.CopyElement(this);
int occur = 1;
if (!IsTextNode())
{
while (telement.GoPrev((char *)element->name))
occur++;
}
else
{
while(telement.GoPrev(NULL, true))
if (telement.IsTextNode())
occur++;
}
return occur;
}
/*AddChild - creates new child element
tname - name of new child element
tcontent - value of new child element
telement - on success, points to new child element
returns False on error.
*/
Bool CXMLElement::AddChild(char *tname, char *tcontent,CXMLElement *telement, bool tbefore)
{
if (!isinited()) return False;
xmlNodePtr newchild = xmlNewTextChild(element, NULL, (xmlChar *)tname,
(xmlChar *)tcontent);
if (newchild)
{
if (tbefore)
xmlAddPrevSibling(element -> children, newchild);
if (telement)
telement->SetNodePtr(newchild);
}
return newchild != NULL;
}
/*AddSibling - creates a new element and adds as
the previous sibling of this node
tname - name of new sibling element
tcontent - value of new sibling element
telement - on success, points to the new element
returns False on error
*/
Bool CXMLElement::AddSibling(char *tname, char *tcontent, CXMLElement *telement, bool tbefore)
{
if (!isinited())
return False;
xmlNodePtr newelement;
newelement = xmlNewTextChild(element -> parent, NULL, (xmlChar *)tname, (xmlChar *)tcontent);
if (newelement != NULL)
{
if (tbefore)
xmlAddPrevSibling(element, newelement);
else
xmlAddNextSibling(element, newelement);
if (telement)
telement -> SetNodePtr(newelement);
}
return newelement != NULL;
}
/*Remove - removes element from xml tree*/
void CXMLElement::Remove()
{
if (!isinited()) return;
xmlUnlinkNode(element);
xmlFreeNode(element);
element = NULL;
}
/*Write - writes xml tree of element to buffer
output:
data - is set to point to buffer containing xml data
tlength - is set to length of xml data
*/
void CXMLElement::Write(char **data,int *tlength,Bool isformatted)
{
if (!isinited()) return;
if (element->doc){
xmlBufferPtr buf;
buf = xmlBufferCreate();
xmlNodeDump(buf, element->doc, element, 0, isformatted);
*data = (char *)xmlStrdup(xmlBufferContent(buf));
*tlength = xmlBufferLength(buf);
xmlBufferFree(buf);
}
}
/*CopyElement - copies element of other CXMLElement
truecopy - if true this is set to point to element of telement,
otherwise this is set to point to a copy of element in telement
output: telement - xml element to copy from
*/
void CXMLElement::CopyElement(CXMLElement *telement,Bool truecopy)
{
if (truecopy)
element = xmlCopyNode(telement->GetNodePtr(), 1);
else
element = telement->GetNodePtr();
}
/*AddElement - adds element (recursive) of other CXMLElement
as child element of this element
*/
void CXMLElement::AddElement(CXMLElement *telement)
{
xmlUnlinkNode(telement->GetNodePtr());
xmlAddChild(element,telement->GetNodePtr());
}
bool CXMLElement::MoveElement(CXMLElement* p_element, bool p_sibling, bool p_before)
{
xmlNodePtr t_parent;
for(t_parent = element; t_parent != NULL; t_parent = t_parent -> parent)
if (t_parent == p_element -> GetNodePtr())
return false;
xmlUnlinkNode(p_element -> GetNodePtr());
if (p_sibling)
{
if (p_before)
xmlAddPrevSibling(element, p_element -> GetNodePtr());
else
xmlAddNextSibling(element, p_element -> GetNodePtr());
}
else
{
if (p_before && element -> children != NULL)
xmlAddPrevSibling(element -> children, p_element -> GetNodePtr());
else
xmlAddChild(element, p_element -> GetNodePtr());
}
return true;
}
// MW-2014-06-12: [[ Bug 12628 ]] Use Remote operation to copy the root out of the new document.
bool CXMLElement::MoveRemoteElement(CXMLElement *p_element, bool p_sibling, bool p_before)
{
// DOMWrapAdoptNode only allows you to move a node to under a parent, so first
// we compute the parent node. In non-sibling mode, this is the parent node. In sibling
// mode the parent of this is the parent node.
xmlNodePtr t_parent;
t_parent = element;
if (p_sibling)
t_parent = t_parent -> parent;
// If this has no parent then badness.
if (t_parent == NULL)
return false;
// Now make our doc tree adopt the source node.
if (xmlDOMWrapAdoptNode(NULL, p_element -> element -> doc, p_element -> element, element -> doc, t_parent, 0) != 0)
return false;
// Now that p_element is in this's xmlTree we can use MoveElement to place it appropriately.
return MoveElement(p_element, p_sibling, p_before);
}
/*GetContent - return value of element
isbuffered - if true returns copy of element data
- must be disposed by caller.
returns pointer to value of element, null if no content is found.
*/
char *CXMLElement::GetContent(Bool isbuffered)
{
if (!isinited()) return NULL;
// return (char *)MyxmlNodeGetContent(element);
if (isbuffered)
{
xmlNodePtr telement = element;
if (telement -> type != XML_TEXT_NODE && telement -> type != XML_CDATA_SECTION_NODE)
{
telement = telement->children;
while(telement && telement->type != XML_TEXT_NODE && telement->type != XML_CDATA_SECTION_NODE)
telement = telement->next;
}
if (!telement)
return NULL;
return telement->content != NULL? (char *)telement->content: NULL;
}
else
return (char *)MyxmlNodeGetContent(element);
}
/*SetContent - sets value of element
tdata - new value
*/
void CXMLElement::SetContent(char *tdata)
{
if (!isinited()) return;
xmlNodeSetContent(element,(xmlChar *)tdata);
}
/*GoChild - Navigate to child element.
ename - if non-null filters child elements by name, otherwise navigates to first child element
returns True if child element found
*/
Bool CXMLElement::GoChild(char *ename, bool p_inc_text) //go to next child
{
if (!isinited()) return False;
xmlNodePtr telement = element;
if (telement->children) {
telement = telement->children;
while (telement != NULL)
{
if (telement->type == XML_ELEMENT_NODE)
break;
if (p_inc_text && ename == NULL && (telement->type == XML_TEXT_NODE || telement->type == XML_CDATA_SECTION_NODE))
break;
telement = telement->next;
}
if (!telement)
return False;
element = telement;
if (ename && util_strnicmp((char *)element->name,ename, strlen(ename)) != 0)
return GoNext(ename);
return True;
}
return False;
}
/*GoParent - Navigate to parent element
* Return True if succeeded, False on error.
*/
Bool CXMLElement::GoParent()
{
if (!isinited()) return False;
if (element->parent){
element = element->parent;
return True;
}
return False;
}
/*GoNext - Navigate to next sibling element.
ename - if non-null filters elements by name, otherwise navigates to next element
returns True if element found
*/
Bool CXMLElement::GoNext(char *ename, bool p_inc_text) //go to next child
{
if (!isinited()) return False;
Bool match = False;
xmlNodePtr telement = element;
while (!match && telement->next)
{
if (telement->next->type == XML_ELEMENT_NODE
&& (!ename || util_strnicmp((char *)telement->next->name,ename,strlen(ename)) == 0))
match = True;
else if (p_inc_text && ename == NULL &&(telement->next->type == XML_TEXT_NODE || telement->next->type == XML_CDATA_SECTION_NODE))
match = True;
telement = telement->next;
}
if (match)
element = telement;
return match;
}
/*GoPrev - Navigate to previous sibling element.
ename - if non-null filters elements by name, otherwise navigates to prev element
returns True if element found
*/
Bool CXMLElement::GoPrev(char *ename, bool p_inc_text)
{
if (!isinited()) return False;
Bool match = False;
xmlNodePtr telement = element;
while (!match && telement->prev)
{
if (telement->prev->type == XML_ELEMENT_NODE
&& (!ename || util_strnicmp((char *)telement->prev->name,ename,strlen(ename)) == 0))
match = True;
else if (p_inc_text && ename == NULL &&(telement->prev->type == XML_TEXT_NODE || telement->prev->type == XML_CDATA_SECTION_NODE))
match = True;
telement = telement->prev;
}
if (match)
element = telement;
return match;
}
/*GoChildByPath
tpath - path of child element (ie. /parentelement[1]/childelement)
telement - on success, navigates to element specified by tpath
return True if element found
*/
Bool CXMLElement::GoChildByPath(char *tpath)
{
if (!isinited()) return False;
const char *sptr = tpath;
char *childpointer = NULL;
CXMLElement telement;
telement.CopyElement(this);
if (*sptr == '/') sptr++; //skip first slash
Bool foundmatch = False;
const char *endptr = sptr + strlen(sptr);
while (sptr < endptr)
{
const char *namestart,*nameend,*nextname,*numpointer;
nextname = strchr(sptr, '/' );
if (!nextname) nextname = endptr;
namestart = sptr;
nameend = nextname;
bool t_is_text;
t_is_text = (nameend == namestart) || (namestart[0] == '[');
if (!telement.GoChild(NULL, t_is_text))
return False;
int whichchild = 1;
numpointer = util_strchr(sptr,'[',nameend-sptr);
if (numpointer)
{
whichchild = strtol((const char *)++numpointer, NULL, 10);
nameend = numpointer-1;
}
Bool foundmatch = False;
int childcounter = 0;
do
{
if ((!t_is_text && util_strnicmp(telement.GetName(),namestart,nameend-namestart)==0) ||
(t_is_text && telement.IsTextNode()))
{
childcounter++;
if (childcounter == whichchild)
{
sptr = nextname+1;
foundmatch = True;
}
}
}
while (!foundmatch && telement.GoNext(NULL, t_is_text));
if (!foundmatch)
return False;
}
CopyElement(&telement);
return True;
}
/*ChildCount - returns total count of children.
childname - filter by childname. NULL to count any child.
maxdepth - how many levels to go down in child tree
*/
int CXMLElement::ChildCount(char *childname, int maxdepth)
{
if (!isinited()) return 0;
CXMLElement telement;
CXMLElementEnumerator tenum(this,maxdepth);
int childcount = 0;
while (tenum.Next(childname))
childcount++;
return childcount;
}
/*AttributeCount - returns total count of attributes.
attributename - filter by attributename. NULL to count any attribute.
*/
// MDW-2013-07-09: [[ RevXmlXPath ]]
int CXMLElement::AttributeCount(char *attributename)
{
if (!isinited()) return 0;
CXMLAttribute tattribute;
int attributecount = 0;
if (GetFirstAttribute(&tattribute)){
do {
if (!attributename ||
util_strnicmp(tattribute.GetName(),attributename,strlen(attributename)) == 0)
attributecount++;
} while (tattribute.GoNext());
}
return attributecount;
}
/*SetAttribute - set attribute value in element
attname-attribute name
tdata - new value
returns False on error
*/
Bool CXMLElement::SetAttribute(char *attname,char *tdata)
{
if (!isinited())
return False;
// OK-2009-01-06: [[Bug 7586]] - When setting attributes, check to see if the user is trying to set the namespace.
// If they are, then either create a namespace, or modify the existing one. Note that this doesn't support multiple
// namespaces, not sure if this is a problem or not.
xmlAttrPtr tatt;
if (strcasecmp(attname, "xmlns") == 0)
{
xmlNs *t_namespace;
t_namespace = NULL;
GetNamespace(t_namespace);
if (t_namespace != NULL && t_namespace -> href != NULL)
{
// Free the old href buffer, and replace it with a new one
xmlFree((xmlChar* )t_namespace -> href);
t_namespace -> href = xmlStrdup((xmlChar *)tdata);
// Replace the existing namespace with the modified one
xmlSetNs(element, t_namespace);
}
else
{
// No namespace exists, so we just create one.
t_namespace = xmlNewNs(element, (xmlChar *)tdata, NULL);
}
return True;
}
else
{
tatt = xmlSetProp(element, (xmlChar *)attname, (xmlChar *)tdata);
return tatt != NULL;
}
}
/*RemoveAttribute - remove attribute from element
attname - name of attribute to remove
returns False on error
*/
Bool CXMLElement::RemoveAttribute(char *attname)
{
if (!isinited())
return False;
// OK-2009-01-06: [[Bug 7586]] - Remove the namespace if that is the name of the attribute.
// Not sure how reliable this is, it seems to work ok. The revXMLRemoveAttribute is not currently
// documented.
if (strcasecmp(attname, "xmlns") == 0)
{
xmlNsPtr t_namespace;
t_namespace = NULL;
GetNamespace(t_namespace);
if (t_namespace != NULL)
xmlFreeNs(t_namespace);
element -> ns = NULL;
element -> nsDef = NULL;
return True;
}
else
{
int res = xmlUnsetProp (element, (xmlChar *)attname);
return res == 0;
}
}
/*GetFirstAttribute
tattribute - on success, point to first attribute
returns False if no attributes exists for this element
*/
Bool CXMLElement::GetFirstAttribute(CXMLAttribute *tattribute)
{
if (!isinited()) return False;
if (element->properties)
tattribute->SetAttrPtr(element->properties);
return element->properties != NULL;
}
Bool CXMLElement::GetNamespace(xmlNs *&r_namespace)
{
r_namespace = element -> nsDef;
return True;
}
/*GetAttribute - returns value of specified attribute
attname - name of attribute to look for
isbuffered - if true returns copy of attribute value (must be freed by caller).
returns NULL if specified attribute not found
*/
char *CXMLElement::GetAttributeValue(char *attname, Bool isbuffered)
{
if (!isinited())
return NULL;
// OK-2009-01-05: [[Bug 7586]] - Some elements may have a "namespace". This is not regarded by libXML
// as one of the elements' attributes, but is stored separately. If the required attribute is called
// "xmlns", then we retreive the namespace instead of using GetAttributeValue.
if (strcasecmp(attname, "xmlns") == 0)
{
xmlNs *t_namespace;
t_namespace = NULL;
GetNamespace(t_namespace);
if (t_namespace != NULL && t_namespace -> href != NULL)
{
return strdup((char *)t_namespace -> href);
}
}
if (isbuffered)
{
CXMLAttribute tattribute;
if (GetFirstAttribute(&tattribute))
{
int attributecount = 1;
do
{
if (!attname || util_strnicmp(tattribute.GetName(), attname, strlen(attname)) == 0)
// AL-2015-09-02: [[ Bug 15848 ]] if isbuffered is true, returned string is freed by the caller
return strdup(tattribute.GetContent());
} while (tattribute.GoNext());
}
}
else
return (char *)xmlGetProp(element, (xmlChar *)attname);
return NULL;
}
//---------------------CXMLElementEnumerator---------------------------
CXMLElementEnumerator::CXMLElementEnumerator(CXMLElement *startat,int tmaxdepth)
{
element.CopyElement(startat);
maxdepth = tmaxdepth;
depth = 0;
}
Bool CXMLElementEnumerator::Next(char *childname, bool p_inc_text)
{
Bool res;
if (childname != NULL && p_inc_text)
p_inc_text = false;
do {
res = False;
if (!res && (maxdepth == - 1 || depth <= maxdepth)){
res = element.GoChild(NULL, p_inc_text);
if (res) depth++;
}
if (!res && depth) res = element.GoNext(NULL, p_inc_text);
while (!res && depth){
res = element.GoParent();
if (res) depth--;
if (!depth)
res = False;
else
res = element.GoNext(NULL, p_inc_text);
}
} while (childname &&
res && util_strnicmp(element.GetName(), childname, strlen(childname)) != 0);
return res;
}