This repository was archived by the owner on Aug 27, 2022. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 6
/
Copy pathMPWMAXParser.m
1996 lines (1723 loc) · 58.6 KB
/
MPWMAXParser.m
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
//
// MPWMAXParser.m
// MPWXmlKit
//
// Created by Marcel Weiher on 8/4/07.
// Copyright 2007 . All rights reserved.
//
#import "MPWMAXParser.h"
#import "MPWXmlAttributes.h"
#import "MPWTagHandler.h"
#import "mpwfoundation_imports.h"
#import "MPWXmlScanner.h"
#import "MPWMAXParser_private.h"
#import "SaxDocumentHandler.h"
#import "MPWXmlElement.h"
#import "MPWTagAction.h"
#import <MPWFoundation/MPWSubData.h>
#import <MPWFoundation/MPWBlockInvocation.h>
#if TARGET_OS_IPHONE
#define CFMakeCollectable(x) (x)
#endif
static void doNothing() { }
static BOOL returnYes() { return YES; }
static BOOL returnNo() { return NO; }
#if 0
NSString *MPWXMLCDataKey=@"MPWXMLCDataKey";
NSString *MPWXMLPCDataKey=@"MPWXMLPCDataKey";
#else
NSString *MPWXMLCDataKey=nil;
NSString *MPWXMLPCDataKey=nil;
#endif
@implementation MPWMAXParser
{
}
intAccessor( undefinedTagAction, setUndefinedTagAction)
longAccessor( cfDataEncoding, setCfDataEncoding )
longAccessor( dataEncoding, _setDataEncoding )
idAccessor( defaultNamespaceHandler, setDefaultNamespaceHandler )
boolAccessor( reportIgnoreableWhitespace, setReportIgnoreableWhitespace )
boolAccessor( ignoreCase, setIgnoreCase )
scalarAccessor( NSInteger, maxDepthAllowed, setMaxDepthAllowed )
objectAccessor( NSData, buffer, setBuffer )
objectAccessor( NSURL, url, setUrl )
#define POPTAGNORELEASE (((NSXMLElementInfo*)_elementStack)[--tagStackLen].elementName)
// #define POPTAG ( [POPTAGNORELEASE release])
// #define PUSHTAG(aTag) {\
// if ( tagStackLen > tagStackCapacity ) {\
// [self _growTagStack:(tagStackCapacity+2) * 2];\
// }\
// ((NSXMLElementInfo*)_elementStack)[tagStackLen++].elementName=[aTag retain];\
// }
//#define TAGFORCSTRING( cstr, len ) uniqueTagForCString(self, @selector(getTagForCString:length:) , cstr, len )
#define INITIALOBJECTSTACKDEPTH 100
idAccessor( parseResult, setParseResult )
idAccessor( version, setVersion )
idAccessor( scanner, setScanner )
idAccessor( data, setData )
scalarAccessor( id ,documentHandler, _setDocumentHandler)
idAccessor( _attributes, _setAttributes)
boolAccessor( shouldProcessNamespaces, setShouldProcessNamespaces )
boolAccessor( shouldReportNamespacePrefixes, setShouldReportNamespacePrefixes )
boolAccessor( autotranslateUTF8, setAutotranslateUTF8 )
boolAccessor( enforceTagNesting, setEnforceTagNesting )
//static inline BOOL extractNameSpace( const char *start, int len, const char **strippedTagPtr, int *namespaceLen, int *tagLen )
//{
// char *namespacePtr=memchr(start, ':', len);
// if ( namespacePtr ) {
// *namespaceLen=namespacePtr-start;
// *tagLen=len-*namespaceLen-1;
// *strippedTagPtr=start+*namespaceLen+1;
// return YES;
// } else {
// *strippedTagPtr=start;
// *tagLen=len;
// *namespaceLen=0;
// return NO;
// }
//}
-(void)setDataEncoding:(long)newEncoding
{
[self _setDataEncoding:newEncoding];
#ifndef WINDOWS
#if !GS_API_LATEST
[self setCfDataEncoding: CFStringConvertNSStringEncodingToEncoding( newEncoding )];
#endif
#endif
}
-init
{
// id pool=[[NSAutoreleasePool alloc] init];
self = [super init];
// NSLog(@"init");
@autoreleasepool {
[self setScanner:[[[NSXMLScanner alloc] init] autorelease]];
}
@autoreleasepool {
// NSLog(@"scanner");
[[self scanner] setDelegate:self];
// NSLog(@"before dataCache");
dataCache=[[MPWObjectCache alloc] initWithCapacity:90 class:[MPWSubData class]];
[dataCache setUnsafeFastAlloc:YES];
getData = (XMLIMP0)[dataCache getObjectIMP];
initDataBytesLength=(XMLIMP1CharP1L1)[MPWSubData
instanceMethodForSelector:@selector(reInitWithData:bytes:length:)];
uniqueTagForCString=(XMLIMP3)[self methodForSelector: @selector(getTagForCString:length:)];
[self _growTagStack:INITIALTAGSTACKDEPTH];
// NSLog(@"before attributeCache");
attributeCache=[[MPWObjectCache alloc] initWithCapacity:20 class:[MPWXMLAttributes class]];
[attributeCache setUnsafeFastAlloc:YES];
[self setDelegate:self];
ignoreSpace=YES;
[self setEnforceTagNesting:YES];
[self setDataEncoding:NSUTF8StringEncoding];
[self setUndefinedTagAction:MAX_ACTION_PLIST];
tagStackLen=0;
// NSLog(@"before setDefaultNamespaceHandler");
[self setDefaultNamespaceHandler:nil];
[self setDelegate:self];
[self setReportIgnoreableWhitespace:NO];
namespaceHandlers=[[NSMutableDictionary alloc] init];
namespacePrefixToURIMap=[[NSMutableDictionary alloc] init];
maxDepthAllowed=INT_MAX;
// NSLog(@"before setHandler");
[self setHandler:self forElements:[NSArray array] inNamespace:nil prefix:@"" map:nil ];
// NSLog(@"after setHandler");
// [pool release];
autotranslateUTF8=YES;
tagHandlerForPrefix=(XMLIMPCHARPLONG)[self methodForSelector:@selector(handlerForPrefix:length:)];
}
return self;
}
-initWithData:(NSData*)newXmlData
{
self=[self init];
[self setData:newXmlData];
[self setAutotranslateUTF8:YES];
return self;
}
-initWithContentsOfURL:(NSURL*)newURL
{
self=[self init];
[self setUrl:newURL];
[self setAutotranslateUTF8:YES];
return self;
}
static inline id currentChildrenNoCheck( NSXMLElementInfo *base, long offset , MPWObjectCache *attributeCache ) {
id children=nil;
NSXMLElementInfo *info=&base[offset-1];
children=info->children;
if ( !children ) {
info->children=GETOBJECT( attributeCache );
children=info->children;
}
return children;
}
-currentChildren
{
id children=nil;
if (tagStackLen>0 ){
children = currentChildrenNoCheck( _elementStack, tagStackLen, attributeCache );
}
return children;
}
-currentObject
{
return [[self currentChildren] lastObject];
}
#ifdef PUSHOBJECT
#undef PUSHOBJECT
#endif
#define PUSHOBJECT( anObject, aKey, aNamespace ) \
if ( tagStackLen > 0 ) { \
[currentChildrenNoCheck( ((NSXMLElementInfo*)_elementStack), tagStackLen, attributeCache ) setValueAndRelease:anObject forAttribute:aKey namespace:aNamespace]; \
} else { \
[self setParseResult:anObject];\
}\
-(void)pushObject:anObject forKey:aKey withNamespace:aNamespace
{
#if 0
if ( tagStackLen > 0 ) {
[currentChildrenNoCheck( ((NSXMLElementInfo*)_elementStack), tagStackLen, attributeCache ) setValueAndRelease:anObject forAttribute:aKey namespace:aNamespace];
// [[self currentChildren] setValueAndRelease:anObject forAttribute:aKey ];
} else {
parseResult=anObject;
}
#else
PUSHOBJECT( anObject, aKey, aNamespace );
#endif
}
-(void)initializeCharacterDataAllowedTags:(NSArray*)tags
{
// characterDataAllowedTags=[[MPWSmallStringTable alloc] initWithKeys:tags values:tags];
}
-(BOOL)characterDataAllowed:parser
{
return YES;
}
-(void)handleNameSpaceAttribute:name withValue:value
{
// NSLog(@"namespace attribute: %@ value: %@",name,value);
[namespacePrefixToURIMap setObject:[value stringValue] forKey:[name stringValue]];
}
-(MPWTagHandler*)handlerForPrefix:(const char*)prefixString length:(long)prefixLen
{
MPWTagHandler* handler=nil;
if (! prefix2HandlerMap ) {
[self rebuildPrefixHandlerMap];
}
// NSLog(@"getting handler for prefix: '%.*s'",prefixLen,prefixString);
handler = prefixMapObjectForCString( prefix2HandlerMap, @selector(objectForCString:length:), (char*)prefixString, prefixLen);
// handler = [prefix2HandlerMap objectForCString:(char*)prefixString length:prefixLen];
if ( !handler ) {
handler=defaultNamespaceHandler;
}
return handler;
}
-(BOOL)attributeName:(const char*)nameStart length:(int)nameLen value:(const char*)valueStart length:(int)valueLen namespaceLen:(int)namespaceLen valueHasHighBit:(BOOL)highBit
/*"
"*/
{
const char *strippedStart;
int strippedNameLen;
id handler=defaultNamespaceHandler;
id name=nil,value=nil,valueToRelease=nil;
BOOL isNamespace=NO;
if ( tagStackLen > maxDepthAllowed ) {
return YES;
}
if ( highBit ) {
valueToRelease=createNSStringIfAnyHighBitSet(valueStart, valueLen,cfDataEncoding);
}
if ( valueToRelease) {
value=valueToRelease;
}
if ( !value ) {
value = MAKEDATA( valueStart, valueLen );
}
// NSLog(@"name: '%.*s' value: '%.*s'",nameLen,nameStart,valueLen,valueStart);
if ( namespaceLen > 0 ) {
strippedStart=nameStart+namespaceLen+1;
strippedNameLen=nameLen - namespaceLen-1;
if ( namespaceLen==5 && !strncmp( "xmlns", nameStart, 5 ) ) {
isNamespace=YES;
}
@try {
if ( !isNamespace) {
handler=tagHandlerForPrefix(self,@selector(handlerForPrefix:length:), (char*)nameStart, namespaceLen);
}
} @catch (id e) {
NSLog(@"---- raised in getting handler for prefix: %@",e);
}
} else {
strippedStart=nameStart;
strippedNameLen=nameLen;
}
if ( YES ) {
MPWTagAction *action=[handler actionForCString:strippedStart length:strippedNameLen];
if (action) {
name=action->tagName;
}
// NSLog(@"name for '%.*s' = '%@",strippedNameLen,strippedStart,name);
}
if (!name) {
name = MAKEDATA( strippedStart, strippedNameLen );
}
if ( !_attributes && attributeCache ) {
id att=GETOBJECT( attributeCache);
[self _setAttributes:att];
[att removeAllObjects];
}
// NSLog(@"tag for '%@' in '%@' is %d",name, [namespacePrefixToURIMap objectForKey:MAKEDATA(nameStart,namespaceLen)] ,integerTagForAttributeName);
if ( isNamespace) {
[self handleNameSpaceAttribute:name withValue:value];
} else {
[_attributes setValue:value forAttribute:name];
}
return YES;
}
-(void)initializeActionMapWithTags:elementNames target:actionTarget
{
id tagHandler=[[[MPWTagHandler alloc] init] autorelease];
[tagHandler initializeElementActionMapWithTags:elementNames target:actionTarget prefix:@""];
[self setDefaultNamespaceHandler:tagHandler];
}
-createNamespaceHandlerIfNecessary:(NSString*)namespace
{
id handler=namespace ? [namespaceHandlers objectForKey:namespace] : defaultNamespaceHandler ;
if ( !handler ) {
@autoreleasepool {
handler=[[[MPWTagHandler alloc] init] autorelease];
if ( namespace ) {
[namespaceHandlers setObject:handler forKey:namespace];
} else {
[self setDefaultNamespaceHandler:handler];
}
}
}
return handler;
}
-(id)declareAttributes:(NSArray*)attributes inNamespace:(NSString*)namespaceString
{
id tagHandler=[self createNamespaceHandlerIfNecessary:namespaceString];
[tagHandler declareAttributes:attributes];
return tagHandler;
}
-(id)setHandler:handler forElements:(NSArray*)elementNames inNamespace:(NSString*)namespace prefix:(NSString*)prefix map:(NSDictionary*)map
{
id tagHandler=[self createNamespaceHandlerIfNecessary:namespace];
[tagHandler setExceptionMap:map];
[tagHandler initializeElementActionMapWithTags:elementNames target:handler prefix:prefix];
[tagHandler setUndeclaredElementHandler:handler backup:self];
[tagHandler setIsCaseInsensitive:ignoreCase];
return tagHandler;
}
-(id)setHandler:handler forElements:(NSArray*)elementNames
{
return [self setHandler:handler forElements:elementNames inNamespace:nil prefix:@"" map:nil];
}
-(id)setHandler:handler forTags:(NSArray*)tags inNamespace:(NSString*)namespaceString prefix:(NSString*)prefix map:(NSDictionary*)map
{
id tagHandler=nil;
@autoreleasepool {
tagHandler=[[self createNamespaceHandlerIfNecessary:namespaceString] retain];
}
@autoreleasepool {
[tagHandler initializeTagActionMapWithTags:tags target:handler prefix:prefix];
[tagHandler setIsCaseInsensitive:ignoreCase];
}
return [tagHandler autorelease];
}
-(id)setHandler:handler forTags:(NSArray*)tags
{
return [self setHandler:handler forTags:tags inNamespace:nil prefix:@"" map:nil];
}
idAccessor( prefix2HandlerMap, setPrefix2HandlerMap )
-(void)rebuildPrefixHandlerMap
{
id pool=[NSAutoreleasePool new];
id prefixes = [namespacePrefixToURIMap allKeys];
id activePrefixes=[NSMutableArray array];
id handlers = [NSMutableArray array];
for (id key in prefixes ) {
NSString *namespaceString= [namespacePrefixToURIMap objectForKey:key];
id handler = [namespaceHandlers objectForKey:namespaceString];
if ( handler ) {
[handlers addObject:handler];
[activePrefixes addObject:key];
// NSLog(@"will set namespacestring: %@ for handler %p",namespaceString,handler);
[handler setNamespaceString:namespaceString];
}
}
[self setPrefix2HandlerMap:[[[MPWSmallStringTable alloc] initWithKeys:activePrefixes values:handlers] autorelease]];
prefixMapObjectForCString=(XMLIMPCHARPLONG)[prefix2HandlerMap methodForSelector:@selector(objectForCString:length:)];
[pool release];
}
-(void)invalidateHandlerMap
{
[self setPrefix2HandlerMap:nil];
}
- (void)parserDoStackProcessingForEndTag:tag
{
id result=nil;
if ( tagStackLen >0 ) {
NSXMLElementInfo *currentElement = &CURRENTELEMENT;
id handler=currentElement->handler;
id attrs=currentElement->attributes;
id children = currentElement->children;
MPWTagAction *action= currentElement->action;
int integerTag = 0; // [handler integerTagForElementName:tagStartPtr length:tagLen];
currentElement->integerTag=integerTag;
// NSLog(@"integer tag: %d",integerTag);
#if 0
// NSLog(@"parserDoStackProcessingForEndElementStartPtr: tagStackLen = %d children = %@",tagStackLen,children);
#endif
if ( action )
{
MPWFastInvocation* invocation=action->elementAction;
id args[3]={ children, attrs ,self};
// NSLog(@"will invoke: %@/%@",[invocation target],NSStringFromSelector([invocation selector]));
result = [invocation resultOfInvokingWithArgs:args count:3];
// NSLog(@"did invoke");
}
[children removeAllObjects];
releaseMPWObject(CURRENTELEMENT.attributes);
if ( [CURRENTELEMENT.attributes retainCount] <= 1 ) {
[CURRENTELEMENT.attributes removeAllObjects];
}
CURRENTELEMENT.attributes=nil;
id lastElementName=POPTAGNORELEASE;
if ( result ) {
PUSHOBJECT( result, tag, handler );
}
[lastElementName release];
// NSLog(@"got an invocation: %@ for '%.*s'",invocation,len,startPtr);
// objectStack[start-1]=[self processElementName:endName attributes:attrs objects:objectStack+start count:numElementsToPop];
// [self popAndRelease:result ? numElementsToPop : numElementsToPop+1];
// [attrs release];
} else {
NSLog(@"--- trying to process end element with empty stack");
}
}
-(BOOL)beginElement:(const char*)fullyQualifedPtr length:(int)len nameLen:(int)fullyQualifiedLen namespaceLen:(int)namespaceLen
{
const char *tagStartPtr=fullyQualifedPtr;
int tagLen=fullyQualifiedLen;
id tag=nil;
BOOL isEmpty=NO;
MPWTagHandler* handler=defaultNamespaceHandler;
NSXMLElementInfo *currentElement = (((NSXMLElementInfo*)_elementStack)+tagStackLen );
RECORDSCANPOSITION( fullyQualifedPtr, len );
if ( currentElement ) {
currentElement->start = fullyQualifedPtr;
currentElement->fullyQualifiedLen = fullyQualifiedLen;
}
if ( charactersAreSpace && !reportIgnoreableWhitespace) {
// NSLog(@"characters before begin: %.*s were space",nameLen,start);
[self flushPureSpace];
}
lastTagWasOpen=YES;
charactersAreSpace=YES;
if ( fullyQualifedPtr[len-2]=='/' ) {
// trailing '/>' means this is an empty element
isEmpty=YES;
if ( fullyQualifedPtr[fullyQualifiedLen-1]=='/' ) {
// if it's '<name/>', we must also adjust the name length
fullyQualifiedLen--;
}
}
//--- remove brackets from name
fullyQualifedPtr++;
fullyQualifiedLen--;
len-=2;
//--- support for partial parsing to a specified depth (for lazy DOM parser...)
if ( tagStackLen > maxDepthAllowed ) {
NSXMLElementInfo* previous=(((NSXMLElementInfo*)_elementStack)+tagStackLen-1 );
previous->isIncomplete=YES;
if (!isEmpty) {
PUSHTAG( ((id)nil) );
} else {
lastTagWasOpen=NO;
}
return YES;
}
currentElement->isIncomplete=NO;
currentElement->action=nil;
MPWTagAction *action=nil;
if ( fullyQualifiedLen > 0 ) {
id attrs=_attributes;
// id prefixTag=nil;
//--- handle namespace
if ( namespaceLen > 0) {
namespaceLen-=1;
tagLen-=namespaceLen+2;
tagStartPtr=fullyQualifedPtr+namespaceLen+1;
handler=[self handlerForPrefix:fullyQualifedPtr length:namespaceLen];
} else {
tagStartPtr=fullyQualifedPtr;
tagLen=fullyQualifiedLen;
}
currentElement->handler=handler;
action= currentElement->action;
//---- meta tags need special case handling (charset decl.)
if ( tagLen == 4 && !strncasecmp(tagStartPtr, "meta", 4) ) {
[self handleMetaTag];
}
if ( handler ) {
currentElement->action=[handler actionForCString:tagStartPtr length:tagLen];
action=currentElement->action;
tag=[currentElement->action tagName];
// NSLog(@"got unique tag: '%@',%p non-unique: '%@'",tag,tag,TAGFORCSTRING( fullyQualifedPtr, fullyQualifiedLen));
}
if ( !tag ) {
tag=TAGFORCSTRING( fullyQualifedPtr, fullyQualifiedLen);
}
PUSHTAG( tag);
#if 0
NSLog(@"begin element: <%@> stackDepth %d stack: %@",tag,tagStackLen,[self _fullTagStackString]);
#endif
// NSLog(@"beginelement: %@/%x",documentHandler,beginElement);
#if 1
if ( !attrs ) {
static id _emptyDict=nil;
if ( !_emptyDict ) {
_emptyDict=GETOBJECT( (MPWObjectCache*)attributeCache ); // [[NSXMLAttributes alloc] init];
[_emptyDict removeAllObjects];
[_emptyDict retain];
}
attrs=_emptyDict;
}
#endif
// fprintf(stderr,"BEGINELEMENT: self=%p beginElement: %p documentHandler: %p\n",self,beginElement,documentHandler);
CURRENTELEMENT.attributes=retainMPWObject( attrs ) ;
if ( ! CURRENTELEMENT.children ) {
CURRENTELEMENT.children=[GETOBJECT(attributeCache) retain];
} else {
[CURRENTELEMENT.children removeAllObjects];
}
// PUSHOBJECT( retainMPWObject( attrs ) );
#if 1
if ( action ) {
id invocation = action->tagAction;
if ( invocation)
{
id args[2]={ attrs, self };
[invocation resultOfInvokingWithArgs:args count:2];
}
}
#endif
if ( _attributes ) {
[self clearAttributes];
}
if ( isEmpty ) {
[self parserDoStackProcessingForEndTag:tag];
lastTagWasOpen=NO;
}
} else {
NSLog(@"nameLen <= 0!");
}
// NSLog(@"begin tag (end), tagStackLen: %d",tagStackLen);
return YES;
}
-(BOOL)isCurrentElementIncomplete
{
return CURRENTELEMENT.isIncomplete;
}
-(void)reportIgnoredWhitespace
{
for (int i=0; i<numSpacesOnStack;i++) {
PUSHOBJECT( [@" " retain] /* [MAKEDATA( start, len ) retain] */ ,MPWXMLPCDataKey, nil );
}
numSpacesOnStack=0;
}
-(void)flushPureSpace
{
numSpacesOnStack=0;
if ( numSpacesOnStack) {
// [[self currentChildren] pop:numSpacesOnStack];
}
}
-(BOOL)endElement:(const char*)fullyQualifedPtr length:(int)fullyQualifiedLen namespaceLen:(int)namespaceLen
{
const char *startPtr;
int tagLen;
id endName=nil;
RECORDSCANPOSITION( fullyQualifedPtr, fullyQualifiedLen );
fullyQualifedPtr+=2; // skip over '</' of end-tag
fullyQualifiedLen-=3; // and also remove '>'
startPtr=fullyQualifedPtr;
tagLen=fullyQualifiedLen;
int len=tagLen;
NSXMLElementInfo *currentElement = &CURRENTELEMENT;
MPWTagAction *action= currentElement->action;
// id handler=currentElement->handler;
// allowedIndex--;
if ( currentElement ) {
currentElement->end = startPtr + len+1;
// NSLog(@"currentElement tag name: '%.*s'",currentElement->fullyQualifiedLen-1,currentElement->start+1);
// NSLog(@"endElement = '%.*s'",fullyQualifiedLen,fullyQualifedPtr);
if ( fullyQualifiedLen == currentElement->fullyQualifiedLen-1) {
const char *p1=currentElement->start+1;
const char *p2=fullyQualifedPtr;
const char *p1end=p1+fullyQualifiedLen;
// int len=fullyQualifiedLen;
BOOL ok=YES;
while ( p1 < p1end) {
if ( *p1++ != *p2++ ) {
ok=NO;
break;
}
}
if ( ok) {
endName=currentElement->elementName;
}
}
}
// NSLog(@"end tag, tagStackLen: %d",tagStackLen);
if ( tagStackLen-1 > maxDepthAllowed ) {
// NSLog(@"endElement going to skip at level %d, children: %x",tagStackLen,currentElement->children);
POPTAG;
// NSLog(@"after pop %d",tagStackLen);
lastTagWasOpen=NO;
return YES;
}
if ( namespaceLen > 0) {
tagLen-=namespaceLen-1;
startPtr=fullyQualifedPtr+namespaceLen-1;
namespaceLen-=2;
// NSLog(@"startPtr: %.*s namespace: '%.*s'",tagLen,startPtr,namespaceLen,fullyQualifedPtr);
} else {
startPtr=fullyQualifedPtr;
tagLen=fullyQualifiedLen;
}
if ( !endName && action ) {
endName=action->tagName;
}
if ( !endName ) {
// NSLog(@"did not get endName ('%.*s') from handler %@",tagLen,startPtr,handler);
endName=TAGFORCSTRING( fullyQualifedPtr, fullyQualifiedLen);
}
#if 0
NSLog(@"end element: <%@> stackDepth %d stack: %@",endName,tagStackLen,[self _fullTagStackString]);
#endif
if ( !lastTagWasOpen && charactersAreSpace && !reportIgnoreableWhitespace ) {
// NSLog(@"characters before end: %.*s were space",len,startPtr);
[self flushPureSpace];
}
charactersAreSpace=YES;
numSpacesOnStack=0;
lastTagWasOpen=NO;
if ( CURRENTTAG == endName || [CURRENTTAG isEqual: endName] ) {
// NSLog(@"will do stackProcessing tag: %@",CURRENTTAG);
[self parserDoStackProcessingForEndTag:CURRENTTAG];
// NSLog(@"end tag end, tagStackLen: %d",tagStackLen);
return YES;
} else {
if ( enforceTagNesting ) {
[self setParserError:[NSError errorWithDomain:@"XML" code:76 userInfo:nil]];
[NSException raise:@"non-matching tags" format:@"non matching tags start tag '%@' end tag '%@'",[self currentTag],endName];
return NO;
} else {
while ( tagStackLen>0 && ![CURRENTTAG isEqual: endName] ) {
NSLog(@"stack[%ld] non matching end-tags: on-stack '%@' close-tag encountered: '%@'",(long)tagStackLen,CURRENTTAG,endName);
POPTAG;
}
return YES;
}
}
}
//--- need to cut this off for the time being
-defaultElement1:values attributes:attributes parser:parser
{
return nil;
}
- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)chars
{
// NSLog(@"parser: foundCharacters:'%@'",characters);
if ( tagStackLen > 0 && tagStackLen < maxDepthAllowed ){
charactersAreSpace=NO;
PUSHOBJECT( [chars retain], MPWXMLPCDataKey, nil );
} else {
// NSLog(@"pre-data: '%@'",chars);
}
}
-(void)parser:(NSXMLParser *)parser foundCDATA:(NSData*)chars
{
if ( tagStackLen > 0 && tagStackLen < maxDepthAllowed){
charactersAreSpace=NO;
PUSHOBJECT( [chars retain] ,MPWXMLCDataKey, nil );
} else {
// NSLog(@"pre-data: '%@'",chars);
}
}
-(BOOL)makeSpace:(const char*)start length:(int)len
{
RECORDSCANPOSITION( start, len );
if ( tagStackLen > 0 && tagStackLen < maxDepthAllowed/* && lastTagWasOpen */ ) {
numSpacesOnStack++;
// PUSHOBJECT( [@" " retain] /* [MAKEDATA( start, len ) retain] */ ,MPWXMLPCDataKey, nil );
// NSLog(@"after space push, currentElement: %@",[self currentChildren]);
} else {
// NSLog(@"suppressing characters, tagStackLen: %d",tagStackLen);
}
return YES;
}
-(void)dealloc
{
int i;
[namespacePrefixToURIMap release];
[defaultNamespaceHandler release];
[namespaceHandlers release];
[prefix2HandlerMap release];
// NSLog(@"-[%p:%@ dealloc] stack tagStackLen: %d",self,[self class],tagStackLen );
[dataCache release];
[scanner release];
scanner=nil;
[data release];
[url release];
[self setDelegate:nil];
[attributeCache release];
for (i=0;i<tagStackCapacity;i++) {
NSXMLElementInfo *info=&((NSXMLElementInfo*)_elementStack)[i];
if ( info->children ) {
[info->children release];
}
if ( info->attributes ) {
[info->attributes release];
}
}
while ( tagStackLen > 0 ) {
POPTAG;
}
[parseResult release];
free( _elementStack );
[_attributes release];
// [namespacePrefixToURIMap release];
// [defaultNamespacePrefixURI release];
[emptyDict release];
[buffer release];
[_parserError release];
[super dealloc];
}
-(void)setCharacterHandlerWithDocumentHandler:newCharHandler
{
characterHandler=self;
}
static IMP unknownMethod;
+parser
{
return [[[self alloc] init] autorelease];
}
-(IMP)methodForSelector:(SEL)sel forReceiver:receiver withDefault:(IMP)defaultMethod
{
IMP result = defaultMethod;
if ( [receiver respondsToSelector:sel] ) {
IMP theMethod = [receiver methodForSelector:sel];
if ( !unknownMethod ) {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wundeclared-selector"
// unknownMethod = [self methodForSelector:@selector(thisOneDoesntExistAtAll)];
#pragma clang diagnostic pop
}
if ( theMethod != (IMP)NULL && theMethod != unknownMethod) {
result = theMethod;
} else {
// NSLog(@"couldn't find method for %@ in %@",NSStringFromSelector(sel),[receiver class]);
}
}
// NSLog(@"IMP for -[%@ %@] with default %x = %x",[self class],NSStringFromSelector(sel),result,defaultMethod);
return result;
}
-(IMP)defaultedVoidMethodForSelector:(SEL)sel forReceiver:receiver
{
return [self methodForSelector:sel forReceiver:receiver withDefault:(IMP)doNothing];
}
-(IMP)boolMethodForSelector:(SEL)sel defaultValue:(BOOL)defaultValue forReceiver:receiver
{
return [self methodForSelector:sel forReceiver:receiver withDefault:defaultValue ? (IMP)returnYes : (IMP)returnNo];
}
-(void)_growTagStack:(long)newCapacity
{
// NSLog(@"growStack to: %d",newCapacity);
void *newStack = ALLOC_POINTERS( (newCapacity+10)* sizeof (NSXMLElementInfo) );
memset( newStack, 0, (newCapacity+5) * sizeof (NSXMLElementInfo) );
memcpy( newStack, _elementStack, tagStackCapacity * sizeof (NSXMLElementInfo) );
_elementStack=newStack;
tagStackCapacity=newCapacity;
}
-delegate
{
return [self documentHandler];
}
-(void)setDelegate:handler
{
[self _setDocumentHandler:handler];
beginElement = (XMLIMP5)[self defaultedVoidMethodForSelector:BEGINELEMENTSELECTOR forReceiver:handler];
// NSLog(@"beginElement: %x for %@",beginElement,NSStringFromSelector(BEGINELEMENTSELECTOR));
endElement = (XMLIMP4)[self defaultedVoidMethodForSelector:ENDELEMENTSELECTOR forReceiver:handler];
// NSLog(@"endElementSelector: %@",NSStringFromSelector(ENDELEMENTSELECTOR));
characterDataAllowed = (XMLIMP1)[self boolMethodForSelector:@selector(characterDataAllowed:) defaultValue:YES forReceiver:self ];
[self setCharacterHandlerWithDocumentHandler:handler];
characters = (XMLIMP2)[self defaultedVoidMethodForSelector:CHARACTERSSELECTOR forReceiver:characterHandler];
cdata = (XMLIMP2)[self defaultedVoidMethodForSelector:CDATASELECTOR forReceiver:characterHandler];
// NSLog(@"document-handler now %@",documentHandler);
}
-(NSInteger)currentElementNestingLevel
{
return tagStackLen;
}
-(NSString *)elementNameAtNestingLevel:(NSInteger)depth
{
if ( depth >= 0 && depth < tagStackLen ) {
return ((NSXMLElementInfo*)_elementStack)[depth].elementName;
}
return nil;
}
-(id <NSXMLAttributes>)elementAttributesAtNestingLevel:(NSInteger)depth
{
if ( depth >= 0 && depth < tagStackLen ) {
return ((NSXMLElementInfo*)_elementStack)[depth].attributes;
}
return nil;
}
-(NSInteger)currentIntegerTag;
{
return CURRENTINTEGERTAG;
}
-currentTag
{
return CURRENTTAG;
}
-(void)popTag
{
POPTAG;
}
-(void)pushTag:aTag
{
PUSHTAG(aTag);
}
typedef char xmlchar;
//#import "XmlDelimitAttrValues.h"
-getTagForCString:(const char*)cstr length:(int)len
{
return MAKEDATA( cstr, len );
}
-_fullTagStackString
{
NSMutableString *stackStr=[NSMutableString string];
int i;
for (i=0;i<tagStackLen;i++) {
[stackStr appendFormat:@"%@/",((NSXMLElementInfo*)_elementStack)[i].elementName];
}
return stackStr;
}
-makeData:(const char*)start length:(int)length
{
return initDataBytesLength( getData( dataCache, @selector(getObject)),@selector(reInitWithData:bytes:length:), data, start , length );
// return MAKEDATA( start, len );
}
-(void)clearAttributes
{
[self _setAttributes:nil];
}
static inline NSString* createNSStringIfAnyHighBitSet( const char *start, long len, long cfDataEncoding ) {
for (int i=0;i< len;i++ ) {
if ( start[i] & 128 ) {
#if GS_API_LATEST
return [[NSString alloc] initWithBytes:start length:len encoding:cfDataEncoding];
#else
return (id)CFStringCreateWithBytes(NULL, (const unsigned char*)start, len, (CFStringEncoding)cfDataEncoding, NO);
// if (!str ) { return YES; }
#endif
break;
}
}
return nil;
}
-(BOOL)makeText:(const char*)start length:(long)len firstEntityOffset:(long)entityOffset
{
id stringToRelease=nil;
id str=nil;
// NSLog(@"%d characters: '%@' entityOffset: %d tagStackLen: %d self: %x",len,MAKEDATA(start,len),entityOffset,tagStackLen,self);
RECORDSCANPOSITION( start, len );
if ( entityOffset > 0 ) {
}
if ( CHARACTERDATAALLOWED ) {
// NSLog(@"allowing characters, tagStackLen: %d and sending to %@",tagStackLen,characterHandler);
if ( autotranslateUTF8 ) {
stringToRelease=createNSStringIfAnyHighBitSet(start, len,cfDataEncoding);
}
if ( stringToRelease) {
str = stringToRelease;
} else {
str= MAKEDATA( start, len );