|
1 /* |
|
2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: CXdmXmlContentHandler |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 |
|
20 #include <XdmDocument.h> |
|
21 #include <contenthandler.h> |
|
22 #include <XdmDocumentNode.h> |
|
23 #include <XdmNodeAttribute.h> |
|
24 #include "XdmNamespaceContainer.h" |
|
25 #include "XdmXmlParser.h" |
|
26 #include "XdmNodeInterface.h" |
|
27 #include "XmlParserNodePath.h" |
|
28 #include "XdmXmlContentHandler.h" |
|
29 |
|
30 // --------------------------------------------------------- |
|
31 // CXdmXmlContentHandler::CXdmXmlContentHandler |
|
32 // |
|
33 // --------------------------------------------------------- |
|
34 // |
|
35 CXdmXmlContentHandler::CXdmXmlContentHandler( CXdmXmlParser& aParserMain ) : |
|
36 iFinished( EFalse ), |
|
37 iTargetFound( EFalse ), |
|
38 iPartialDocument( EFalse ), |
|
39 iParserMain( aParserMain ) |
|
40 |
|
41 { |
|
42 } |
|
43 |
|
44 // --------------------------------------------------------- |
|
45 // CXdmXmlContentHandler::NewL |
|
46 // |
|
47 // --------------------------------------------------------- |
|
48 // |
|
49 CXdmXmlContentHandler* CXdmXmlContentHandler::NewL( CXdmXmlParser& aParserMain ) |
|
50 { |
|
51 CXdmXmlContentHandler* self = new ( ELeave ) CXdmXmlContentHandler( aParserMain ); |
|
52 CleanupStack::PushL( self ); |
|
53 self->ConstructL(); |
|
54 CleanupStack::Pop(); |
|
55 return self; |
|
56 } |
|
57 |
|
58 // --------------------------------------------------------- |
|
59 // CXdmXmlContentHandler::ConstructL |
|
60 // |
|
61 // --------------------------------------------------------- |
|
62 // |
|
63 void CXdmXmlContentHandler::ConstructL() |
|
64 { |
|
65 iContentBuffer = CBufFlat::NewL( 50 ); |
|
66 } |
|
67 |
|
68 // --------------------------------------------------------- |
|
69 // CXdmXmlContentHandler::~CXdmXmlContentHandler |
|
70 // |
|
71 // --------------------------------------------------------- |
|
72 // |
|
73 CXdmXmlContentHandler::~CXdmXmlContentHandler() |
|
74 { |
|
75 delete iNodePath; |
|
76 delete iContentBuffer; |
|
77 } |
|
78 |
|
79 // --------------------------------------------------------- |
|
80 // CXdmXmlContentHandler::SetTarget |
|
81 // |
|
82 // --------------------------------------------------------- |
|
83 // |
|
84 void CXdmXmlContentHandler::SetTarget( const CXdmDocument& aTargetDocument ) |
|
85 { |
|
86 iTargetDocument = CONST_CAST( CXdmDocument*, &aTargetDocument ); |
|
87 iRootNode = iTargetDocument->DocumentRoot(); |
|
88 iDocumentSubset = NULL; |
|
89 iIsRootNode = ETrue; |
|
90 } |
|
91 |
|
92 // --------------------------------------------------------- |
|
93 // CXdmXmlContentHandler::SetTarget |
|
94 // |
|
95 // --------------------------------------------------------- |
|
96 // |
|
97 void CXdmXmlContentHandler::SetTarget( const CXdmDocumentNode& aDocumentRoot ) |
|
98 { |
|
99 iTargetDocument = NULL; |
|
100 iRootNode = CONST_CAST( CXdmDocumentNode*, &aDocumentRoot ); |
|
101 iDocumentSubset = NULL; |
|
102 iIsRootNode = ETrue; |
|
103 } |
|
104 |
|
105 // --------------------------------------------------------- |
|
106 // CXdmXmlContentHandler::SetTarget |
|
107 // |
|
108 // --------------------------------------------------------- |
|
109 // |
|
110 void CXdmXmlContentHandler::SetTargetL( const CXdmDocument& aTargetDocument, |
|
111 const CXdmDocumentNode& aTargetNode ) |
|
112 { |
|
113 iElementType = aTargetNode.ElementType(); |
|
114 iTargetDocument = CONST_CAST( CXdmDocument*, &aTargetDocument ); |
|
115 if( iElementType == EXdmElementAttribute ) |
|
116 { |
|
117 iTargetAttribute = ( CXdmNodeAttribute* )&aTargetNode; |
|
118 iDocumentSubset = CONST_CAST( CXdmDocumentNode*, aTargetNode.Parent() ); |
|
119 } |
|
120 else |
|
121 { |
|
122 iTargetAttribute = NULL; |
|
123 iDocumentSubset = CONST_CAST( CXdmDocumentNode*, &aTargetNode ); |
|
124 } |
|
125 iNodePath = CXmlParserNodePath::NewL( iParserMain, iElementType, *iDocumentSubset, this ); |
|
126 iRootNode = iDocumentSubset; |
|
127 iPartialDocument = ETrue; |
|
128 iCurrentNode = NULL; |
|
129 } |
|
130 |
|
131 // --------------------------------------------------------- |
|
132 // CXdmXmlContentHandler::TargetAttribute |
|
133 // |
|
134 // --------------------------------------------------------- |
|
135 // |
|
136 CXdmNodeAttribute* CXdmXmlContentHandler::TargetAttribute() const |
|
137 { |
|
138 return iTargetAttribute; |
|
139 } |
|
140 |
|
141 // --------------------------------------------------------- |
|
142 // CXdmXmlContentHandler::Reset |
|
143 // |
|
144 // --------------------------------------------------------- |
|
145 // |
|
146 void CXdmXmlContentHandler::Reset() |
|
147 { |
|
148 iTargetDocument = NULL; |
|
149 iTargetAttribute = NULL; |
|
150 iDocumentSubset = NULL; |
|
151 iRootNode = NULL; |
|
152 iCurrentNode = NULL; |
|
153 delete iNodePath; |
|
154 iNodePath = NULL; |
|
155 iFinished = EFalse; |
|
156 iTargetFound = EFalse; |
|
157 iPartialDocument = EFalse; |
|
158 } |
|
159 |
|
160 // --------------------------------------------------------- |
|
161 // CXdmXmlContentHandler::GetExtendedInterface |
|
162 // |
|
163 // --------------------------------------------------------- |
|
164 // |
|
165 TAny* CXdmXmlContentHandler::GetExtendedInterface( const TInt32 /*aUid*/ ) |
|
166 { |
|
167 return NULL; |
|
168 } |
|
169 |
|
170 // --------------------------------------------------------- |
|
171 // CXdmXmlContentHandler::OnContentL |
|
172 // |
|
173 // --------------------------------------------------------- |
|
174 // |
|
175 void CXdmXmlContentHandler::OnContentL( const TDesC8 &aBytes, |
|
176 TInt aErrorCode ) |
|
177 { |
|
178 #ifdef _DEBUG |
|
179 iParserMain.WriteToLog( _L8( "CXmlNode::OnContentL()" ), aErrorCode ); |
|
180 iParserMain.WriteToLog( _L8( " Bytes: %S" ), &aBytes ); |
|
181 iParserMain.WriteToLog( _L8( " Error: %d" ), aErrorCode ); |
|
182 #endif |
|
183 if( iPartialDocument && !iTargetFound ) |
|
184 return; |
|
185 TInt length = aBytes.Length(); |
|
186 TPtr8 desc( CONST_CAST( TUint8*, aBytes.Ptr() ), length, length ); |
|
187 desc.TrimAll(); |
|
188 if( desc.Length() > 0 ) |
|
189 { |
|
190 iContentBuffer->InsertL( iContentIndex, desc ); |
|
191 iContentIndex = iContentIndex + desc.Length(); |
|
192 } |
|
193 } |
|
194 |
|
195 // --------------------------------------------------------- |
|
196 // CXdmXmlContentHandler::OnEndDocumentL |
|
197 // |
|
198 // --------------------------------------------------------- |
|
199 // |
|
200 void CXdmXmlContentHandler::OnEndDocumentL( TInt aErrorCode ) |
|
201 { |
|
202 iIsRootNode = ETrue; |
|
203 #ifdef _DEBUG |
|
204 iParserMain.WriteToLog( _L8( "CXmlNode::OnEndDocumentL() - Error: %d "), aErrorCode ); |
|
205 #endif |
|
206 } |
|
207 |
|
208 // --------------------------------------------------------- |
|
209 // CXdmXmlContentHandler::OnEndElementL |
|
210 // |
|
211 // --------------------------------------------------------- |
|
212 // |
|
213 void CXdmXmlContentHandler::OnEndElementL( const RTagInfo &aElement, |
|
214 TInt aErrorCode ) |
|
215 { |
|
216 TPtrC8 element( aElement.LocalName().DesC() ); |
|
217 #ifdef _DEBUG |
|
218 iParserMain.WriteToLog( _L8( "CXmlNode::OnEndElementL() - Element: %S Error: %d "), |
|
219 &element, aErrorCode ); |
|
220 #endif |
|
221 if( iCurrentNode != NULL && iContentBuffer->Size() > 0 ) |
|
222 { |
|
223 TPtrC8 data( iContentBuffer->Ptr( 0 ) ); |
|
224 iCurrentNode->SetLeafNode( ETrue ); |
|
225 iCurrentNode->SetLeafNodeContentL( data ); |
|
226 iContentBuffer->Reset(); |
|
227 iContentIndex = 0; |
|
228 } |
|
229 if( iCurrentNode != NULL && iCurrentNode->NodeCount() == 0 ) |
|
230 iCurrentNode->SetEmptyNode( ETrue ); |
|
231 if( iPartialDocument ) |
|
232 { |
|
233 if( !iFinished ) |
|
234 { |
|
235 if( iCurrentNode != NULL ) |
|
236 { |
|
237 CXdmDocumentNode* parent = iCurrentNode->Parent(); |
|
238 #ifdef _DEBUG |
|
239 TBuf8<64> parentName; |
|
240 TBuf8<64> currentName; |
|
241 parentName.Copy( parent->NodeName() ); |
|
242 currentName.Copy( iCurrentNode->NodeName() ); |
|
243 iParserMain.WriteToLog( _L8( " Parent: %x - %S "), parent, &parentName ); |
|
244 iParserMain.WriteToLog( _L8( " Current: %x - %S"), iCurrentNode, ¤tName ); |
|
245 #endif |
|
246 if( parent != NULL && iCurrentNode != parent ) |
|
247 iCurrentNode = iCurrentNode->Parent(); |
|
248 iFinished = iCurrentNode == iDocumentSubset->Parent(); |
|
249 if( iFinished ) |
|
250 iCurrentNode = NULL; |
|
251 #ifdef _DEBUG |
|
252 iParserMain.WriteToLog( _L8( " Current: %x"), iCurrentNode ); |
|
253 #endif |
|
254 } |
|
255 } |
|
256 } |
|
257 else iCurrentNode = iCurrentNode->Parent(); |
|
258 } |
|
259 |
|
260 // --------------------------------------------------------- |
|
261 // CXdmXmlContentHandler::OnEndPrefixMappingL |
|
262 // |
|
263 // --------------------------------------------------------- |
|
264 // |
|
265 void CXdmXmlContentHandler::OnEndPrefixMappingL( const RString& /*aPrefix*/, |
|
266 TInt aErrorCode ) |
|
267 { |
|
268 #ifdef _DEBUG |
|
269 iParserMain.WriteToLog( _L8( "CXmlNode::OnEndPrefixMappingL() - Error: %d "), aErrorCode ); |
|
270 #endif |
|
271 } |
|
272 |
|
273 // --------------------------------------------------------- |
|
274 // CXdmXmlContentHandler::OnError |
|
275 // |
|
276 // --------------------------------------------------------- |
|
277 // |
|
278 void CXdmXmlContentHandler::OnError( TInt aErrorCode ) |
|
279 { |
|
280 #ifdef _DEBUG |
|
281 iParserMain.WriteToLog( _L8( "CXmlNode::OnError() - Error: %d" ), aErrorCode ); |
|
282 #endif |
|
283 } |
|
284 |
|
285 // --------------------------------------------------------- |
|
286 // CXdmXmlContentHandler::OnIgnorableWhiteSpaceL |
|
287 // |
|
288 // --------------------------------------------------------- |
|
289 // |
|
290 void CXdmXmlContentHandler::OnIgnorableWhiteSpaceL( const TDesC8& /*aBytes*/, |
|
291 TInt /*aErrorCode*/ ) |
|
292 { |
|
293 #ifdef _DEBUG |
|
294 //iParserMain.WriteToLog( _L8( "CXmlNode::OnIgnorableWhiteSpaceL() - Error: %d" ), aErrorCode ); |
|
295 #endif |
|
296 } |
|
297 |
|
298 // --------------------------------------------------------- |
|
299 // CXdmXmlContentHandler::OnProcessingInstructionL |
|
300 // |
|
301 // --------------------------------------------------------- |
|
302 // |
|
303 void CXdmXmlContentHandler::OnProcessingInstructionL( const TDesC8& /*aTarget*/, |
|
304 const TDesC8& /*aData*/, |
|
305 TInt /*aErrorCode*/ ) |
|
306 { |
|
307 #ifdef _DEBUG |
|
308 // iParserMain.WriteToLog( _L8( "CXmlNode::OnProcessingInstructionL() - Error: %d" ), aErrorCode ); |
|
309 #endif |
|
310 } |
|
311 |
|
312 // --------------------------------------------------------- |
|
313 // CXdmXmlContentHandler::OnSkippedEntityL |
|
314 // |
|
315 // --------------------------------------------------------- |
|
316 // |
|
317 void CXdmXmlContentHandler::OnSkippedEntityL( const RString& /*aName*/, |
|
318 TInt /*aErrorCode*/ ) |
|
319 { |
|
320 #ifdef _DEBUG |
|
321 //iParserMain.WriteToLog( _L8( "CXmlNode::OnSkippedEntityL() - Error: %d" ), aErrorCode ); |
|
322 #endif |
|
323 } |
|
324 |
|
325 // --------------------------------------------------------- |
|
326 // CXdmXmlContentHandler::OnStartDocumentL |
|
327 // |
|
328 // --------------------------------------------------------- |
|
329 // |
|
330 void CXdmXmlContentHandler::OnStartDocumentL( const RDocumentParameters& /*aDocParam*/, TInt aErrorCode ) |
|
331 { |
|
332 #ifdef _DEBUG |
|
333 iParserMain.WriteToLog( _L8( "CXmlNode::OnStartDocumentL() - Error: %d "), aErrorCode ); |
|
334 #endif |
|
335 } |
|
336 |
|
337 // --------------------------------------------------------- |
|
338 // CXdmXmlContentHandler::OnStartElementL |
|
339 // |
|
340 // --------------------------------------------------------- |
|
341 // |
|
342 void CXdmXmlContentHandler::OnStartElementL( const RTagInfo& aElement, |
|
343 const RAttributeArray& aAttributes, |
|
344 TInt aErrorCode ) |
|
345 { |
|
346 TPtrC8 name( aElement.LocalName().DesC() ); |
|
347 TPtrC8 uri( aElement.Uri().DesC() ); |
|
348 TPtrC8 prefix( aElement.Prefix().DesC() ); |
|
349 #ifdef _DEBUG |
|
350 iParserMain.WriteToLog( _L8( "CXmlNode::OnStartElementL(): Error: %d" ), aErrorCode ); |
|
351 iParserMain.WriteToLog( _L8( " URI: %S" ), &uri ); |
|
352 iParserMain.WriteToLog( _L8( " Name: %S" ), &name ); |
|
353 iParserMain.WriteToLog( _L8( " Prefix: %S" ), &prefix ); |
|
354 #endif |
|
355 if( iPartialDocument ) |
|
356 { |
|
357 if( !iFinished ) |
|
358 { |
|
359 if( iTargetFound ) |
|
360 { |
|
361 iCurrentNode = iCurrentNode->CreateChileNodeL(); |
|
362 HandleNextElementL( aElement, aAttributes ); |
|
363 } |
|
364 else |
|
365 { |
|
366 if( iNodePath->CheckNextNodeL( name, aAttributes ) ) |
|
367 { |
|
368 if( iElementType == EXdmElementAttribute ) |
|
369 AppendAttributeValueL( aAttributes ); |
|
370 else |
|
371 { |
|
372 iTargetFound = ETrue; |
|
373 iCurrentNode = iDocumentSubset; |
|
374 } |
|
375 } |
|
376 } |
|
377 } |
|
378 } |
|
379 else |
|
380 { |
|
381 iCurrentNode = iIsRootNode ? iRootNode : iCurrentNode->CreateChileNodeL(); |
|
382 HandleNextElementL( aElement, aAttributes ); |
|
383 iIsRootNode = EFalse; |
|
384 } |
|
385 } |
|
386 |
|
387 // --------------------------------------------------------- |
|
388 // CXdmXmlContentHandler::HandleNextElementL |
|
389 // |
|
390 // --------------------------------------------------------- |
|
391 // |
|
392 void CXdmXmlContentHandler::HandleNextElementL( const RTagInfo& aElement, |
|
393 const RAttributeArray& aAttributes ) |
|
394 { |
|
395 #ifdef _DEBUG |
|
396 //iParserMain.WriteToLog( _L8( "CXdmXmlContentHandler::HandleNextElementL()") ); |
|
397 #endif |
|
398 iCurrentNode->SetNameL( aElement.LocalName().DesC() ); |
|
399 SetNamespaceInformationL( aElement, iCurrentNode ); |
|
400 TInt count = aAttributes.Count(); |
|
401 if( count > 0 ) |
|
402 { |
|
403 CXdmNodeAttribute* attribute = NULL; |
|
404 for( TInt i = 0;i < count;i++ ) |
|
405 { |
|
406 attribute = iCurrentNode->CreateAttributeL(); |
|
407 CleanupStack::PushL( attribute ); |
|
408 attribute->SetNameL( aAttributes[i].Attribute().LocalName().DesC() ); |
|
409 attribute->SetAttributeValueL( aAttributes[i].Value().DesC() ); |
|
410 CleanupStack::Pop(); //attribute |
|
411 } |
|
412 } |
|
413 } |
|
414 |
|
415 // --------------------------------------------------------- |
|
416 // CXdmXmlContentHandler::CompileAttributesL |
|
417 // |
|
418 // --------------------------------------------------------- |
|
419 // |
|
420 void CXdmXmlContentHandler::AppendAttributeValueL( const RAttributeArray& aAttributes ) |
|
421 { |
|
422 #ifdef _DEBUG |
|
423 //iParserMain.WriteToLog( _L8( "CXdmXmlContentHandler::AppendAttributeValueL()") ); |
|
424 #endif |
|
425 TInt count = aAttributes.Count(); |
|
426 TPtrC8 targetName( iTargetAttribute->EightBitNodeNameLC()->Des() ); |
|
427 for( TInt i = 0;!iFinished && i < count;i++ ) |
|
428 { |
|
429 TPtrC8 desc = aAttributes[i].Attribute().LocalName().DesC(); |
|
430 #ifdef _DEBUG |
|
431 iParserMain.WriteToLog( _L8( " Name of attribute %d: %S"), i, &desc ); |
|
432 #endif |
|
433 if( targetName.Compare( desc ) == 0 ) |
|
434 { |
|
435 iFinished = ETrue; |
|
436 TPtrC8 value( aAttributes[i].Value().DesC() ); |
|
437 iTargetAttribute->SetAttributeValueL( value ); |
|
438 } |
|
439 } |
|
440 CleanupStack::PopAndDestroy(); //desc |
|
441 } |
|
442 |
|
443 // --------------------------------------------------------- |
|
444 // CXdmXmlContentHandler::OnStartPrefixMappingL |
|
445 // |
|
446 // --------------------------------------------------------- |
|
447 // |
|
448 void CXdmXmlContentHandler::OnStartPrefixMappingL( const RString& aPrefix, |
|
449 const RString& aUri, |
|
450 TInt aErrorCode ) |
|
451 { |
|
452 #ifdef _DEBUG |
|
453 iParserMain.WriteToLog( _L8( "CXdmXmlContentHandler::OnStartPrefixMappingL() - Error: %d" ), aErrorCode ); |
|
454 #endif |
|
455 AppendNameSpaceL( aPrefix.DesC(), aUri.DesC() ); |
|
456 } |
|
457 |
|
458 // --------------------------------------------------------- |
|
459 // CXdmXmlContentHandler::IsWhiteSpace |
|
460 // |
|
461 // --------------------------------------------------------- |
|
462 // |
|
463 TBool CXdmXmlContentHandler::IsWhiteSpace( const TDesC8 &aBytes ) const |
|
464 { |
|
465 #ifdef _DEBUG |
|
466 //iParserMain.WriteToLog( _L8( "CXdmXmlContentHandler::IsWhiteSpace()") ); |
|
467 #endif |
|
468 TBool ret = ETrue; |
|
469 if( aBytes.Length() > 0 ) |
|
470 { |
|
471 TChar ch = aBytes[0]; |
|
472 ret = ch == 32 || ch == 10 || ch == 13 || ch == 9; |
|
473 } |
|
474 return ret; |
|
475 } |
|
476 |
|
477 // --------------------------------------------------------- |
|
478 // CXdmXmlContentHandler::AppendNameSpaceL |
|
479 // |
|
480 // --------------------------------------------------------- |
|
481 // |
|
482 void CXdmXmlContentHandler::AppendNameSpaceL( const TDesC8& aPrefix, const TDesC8& aUri ) |
|
483 { |
|
484 #ifdef _DEBUG |
|
485 //iParserMain.WriteToLog( _L8( "CXdmXmlContentHandler::SetNameSpaceInformationL()") ); |
|
486 #endif |
|
487 if( iTargetDocument != NULL ) |
|
488 { |
|
489 MXdmNamespaceContainer* container = iTargetDocument; |
|
490 container->AppendNamespaceL( aUri, aPrefix ); |
|
491 } |
|
492 } |
|
493 |
|
494 // --------------------------------------------------------- |
|
495 // CXdmXmlContentHandler::SetNameSpaceInformationL |
|
496 // |
|
497 // --------------------------------------------------------- |
|
498 // |
|
499 void CXdmXmlContentHandler::SetNamespaceInformationL( const RTagInfo& aElement, |
|
500 MXdmNodeInterface* aXcapNode ) |
|
501 { |
|
502 #ifdef _DEBUG |
|
503 //iParserMain.WriteToLog( _L8( "CXdmXmlContentHandler::SetNameSpaceInformationL()") ); |
|
504 #endif |
|
505 TPtrC8 prefix( aElement.Prefix().DesC() ); |
|
506 if( prefix.Length() > 0 ) |
|
507 { |
|
508 aXcapNode->SetPrefixL( prefix ); |
|
509 } |
|
510 } |
|
511 |
|
512 // End of File |