--- a/creator/src/creator_scriptparser.cpp Thu Aug 19 09:55:38 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,393 +0,0 @@
-/*
-* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:
-*
-*/
-
-
-#include <f32file.h>
-#include <utf.h>
-#include <xml/documentparameters.h>
-#include "creator_scriptparser.h"
-#include "creator_scriptelementfactory.h"
-#include "creator_traces.h"
-
-using namespace Xml;
-
-CCreatorScriptParser::CCreatorScriptParser()
-: iDefaultElement(TCreatorScriptElementInfo(TCreatorScriptElementInfo::EStatusUndefined, 0))
- {
- }
-void CCreatorScriptParser::ConstructL(CCreatorEngine* aEngine)
- {
- LOGSTRING("Creator: CCreatorScriptParser::ConstructL");
- iEngine = aEngine;
- }
-
-CCreatorScriptParser* CCreatorScriptParser::NewL(CCreatorEngine* aEngine)
- {
- LOGSTRING("Creator: CCreatorScriptParser::NewL");
- CCreatorScriptParser* self = CCreatorScriptParser::NewLC(aEngine);
- CleanupStack::Pop();
- return self;
- }
-CCreatorScriptParser* CCreatorScriptParser::NewLC(CCreatorEngine* aEngine)
- {
- LOGSTRING("Creator: CCreatorScriptParser::NewLC");
- CCreatorScriptParser* self = new (ELeave) CCreatorScriptParser;
- CleanupStack::PushL(self);
- self->ConstructL(aEngine);
- return self;
- }
-
-CCreatorScriptParser::~CCreatorScriptParser()
- {
- delete iParser;
- if( iElementStack.Count() > 0 )
- {
- delete iElementStack[0].iElement;
- }
- iElementStack.Reset();
- iElementStack.Close();
- }
-
-void CCreatorScriptParser::GetTextFileMode(RFile& aFile, TInt& aFileSize)
- {
- LOGSTRING("Creator: CCreatorScriptParser::GetTextFileMode");
- iScriptTextFormat = EFormatANSIASCII;
-
- // if we are working with text files, check the type first
- TBuf8<4> BOM;
-
- // first check for UTF-16
- if (aFileSize >= 2 && aFile.Read(0, BOM, 2) == KErrNone)
- {
- if (BOM.Length()==2 && BOM[0]==0xFF && BOM[1]==0xFE)
- {
- iScriptTextFormat = EFormatUTF16LE;
- aFileSize -= 2;
- return;
- }
- else if (BOM.Length()==2 && BOM[0]==0xFE && BOM[1]==0xFF)
- {
- iScriptTextFormat = EFormatUTF16BE;
- aFileSize -= 2;
- return;
- }
- }
- // then check for UTF-8
- if (aFileSize >= 3 && aFile.Read(0, BOM, 3) == KErrNone)
- {
- if (BOM.Length()==3 && BOM[0]==0xEF && BOM[1]==0xBB && BOM[2]==0xBF)
- {
- iScriptTextFormat = EFormatUTF8;
- aFileSize -= 3;
- return;
- }
- }
-
- // none of those, seek back to beginning
- TInt pos(0);
- aFile.Seek(ESeekStart, pos);
- }
-
-
-
-void CCreatorScriptParser::ParseL(const TDesC& aFileName)
- {
- LOGSTRING2("Creator: CCreatorScriptParser::ParseL: %S", &aFileName);
- // Create and start XML-parser
- if( iParser == 0)
- {
- _LIT8(KXmlMimeType, "text/xml");
- iParser = CParser::NewL(KXmlMimeType, *this);
- }
-
- RFs filesession;
- CleanupClosePushL(filesession);
- User::LeaveIfError( filesession.Connect() );
- Xml::ParseL(*iParser, filesession, aFileName);
-
- CleanupStack::PopAndDestroy(&filesession); // filesession
- }
-
-void CCreatorScriptParser::ParseL(RFile& aFile)
- {
- LOGSTRING("Creator: CCreatorScriptParser::ParseL");
- TInt filesize = 0;
- aFile.Size(filesize);
- GetTextFileMode(aFile, filesize);
- // Create and start XML-parser
- if( iParser == 0)
- {
- _LIT8(KXmlMimeType, "text/xml");
- iParser = CParser::NewL(KXmlMimeType, *this);
- }
- Xml::ParseL(*iParser, aFile);
- }
-
-void CCreatorScriptParser::OnStartDocumentL(const Xml::RDocumentParameters& aDocParam, TInt aErrorCode)
- {
- LOGSTRING2("Creator: CCreatorScriptParser::OnStartDocumentL (Error code: %d)", aErrorCode);
- User::LeaveIfError(aErrorCode);
- const TDesC8& charSet = aDocParam.CharacterSetName().DesC();
- }
-
-void CCreatorScriptParser::OnEndDocumentL(TInt aErrorCode)
- {
- LOGSTRING2("Creator: CCreatorScriptParser::OnEndDocumentL (Error code: %d)", aErrorCode);
- User::LeaveIfError(aErrorCode);
- }
-
-void CCreatorScriptParser::OnStartPrefixMappingL( const RString& /*aPrefix*/,
- const RString& /*aUri*/,
- TInt aErrorCode)
- {
- LOGSTRING2("Creator: CCreatorScriptParser::OnStartPrefixMappingL (Error code: %d)", aErrorCode);
- User::LeaveIfError(aErrorCode);
- }
-
-void CCreatorScriptParser::OnEndPrefixMappingL(const RString& /*aPrefix*/, TInt aErrorCode)
- {
- LOGSTRING2("Creator: CCreatorScriptParser::OnEndPrefixMappingL (Error code: %d)", aErrorCode);
- User::LeaveIfError(aErrorCode);
- }
-void CCreatorScriptParser::OnIgnorableWhiteSpaceL(const TDesC8& /*aBytes*/, TInt aErrorCode)
- {
- LOGSTRING2("Creator: CCreatorScriptParser::OnIgnorableWhiteSpaceL (Error code: %d)", aErrorCode);
- User::LeaveIfError(aErrorCode);
- }
-void CCreatorScriptParser::OnSkippedEntityL(const RString& /*aName*/, TInt aErrorCode)
- {
- LOGSTRING2("Creator: CCreatorScriptParser::OnSkippedEntityL (Error code: %d)", aErrorCode);
- User::LeaveIfError(aErrorCode);
- }
-void CCreatorScriptParser::OnProcessingInstructionL( const TDesC8& /*aTarget*/,
- const TDesC8& /*aData*/,
- TInt aErrorCode)
- {
- LOGSTRING2("Creator: CCreatorScriptParser::OnProcessingInstructionL (Error code: %d)", aErrorCode);
- User::LeaveIfError(aErrorCode);
- }
-void CCreatorScriptParser::OnError(TInt aErrorCode)
- {
- LOGSTRING2("Creator: CCreatorScriptParser::OnError: %d", aErrorCode);
-
- iLastError = aErrorCode;
-
- // Delete all elements from the stack:
- while(iElementStack.Count() > 0 )
- {
- TCreatorScriptElementInfo previousElem = LastElementInfo();
- delete previousElem.iElement;
- previousElem.iElement = 0;
- iElementStack.Remove(iElementStack.Count()-1);
- }
- }
-TAny* CCreatorScriptParser::GetExtendedInterface(const TInt32 aUid)
- {
- LOGSTRING2("Creator: CCreatorScriptParser::GetExtendedInterface (UID: %d)", aUid);
- return this;
- }
-
-const TCreatorScriptElementInfo& CCreatorScriptParser::LastElementInfo() const
-{
- LOGSTRING("Creator: CCreatorScriptParser::LastElementInfo");
- if(iElementStack.Count() > 0)
- {
- return iElementStack[iElementStack.Count()-1];
- }
- return iDefaultElement;
-}
-
-/**
- * Create an element and add attributes to it.
- */
-void CCreatorScriptParser::OnStartElementL( const RTagInfo& aElement,
- const RAttributeArray& aAttributes,
- TInt aErrorCode)
- {
- LOGSTRING2("Creator: CCreatorScriptParser::OnStartElementL (Error code: %d)", aErrorCode);
- User::LeaveIfError(aErrorCode);
- const TDesC8& elementName8 = aElement.LocalName().DesC();
- HBufC* elementName16 = Convert8BitTo16BitLC(elementName8);
-
- const TCreatorScriptElementInfo& context = LastElementInfo();
-
- CCreatorScriptElement* element = 0;
- if( context.iElement )
- {
- HBufC* fullContext = HBufC::NewL(
- context.iElement->Context().Length() +
- context.iElement->Name().Length() +
- 2);
- CleanupStack::PushL(fullContext);
- if(context.iElement->Context() != KNullDesC &&
- context.iElement->Context().Length() > 0 )
- {
- fullContext->Des().Copy(context.iElement->Context());
- _LIT(KContextSeparator, "::");
- fullContext->Des().Append(TPtrC(KContextSeparator));
- }
- const TDesC& parentName = context.iElement->Name();
- if(parentName.Length() > 0 )
- {
- fullContext->Des().Append(parentName);
- }
- element = TCreatorScriptElementFactory::CreateElementL( iEngine,
- elementName16->Des(),
- fullContext->Des());
- CleanupStack::PopAndDestroy(fullContext); // fullContext
- }
- else
- {
- element = TCreatorScriptElementFactory::CreateElementL(iEngine, elementName16->Des());
- }
-
- CleanupStack::PopAndDestroy(elementName16);
- CleanupStack::PushL(element);
-
- if( element == 0 )
- {
- // Add NULL pointer to stack. Otherwise the stack would go out of sync. in ::OnEndElement().
- TCreatorScriptElementInfo info(TCreatorScriptElementInfo::EStatusParsing, element);
- iElementStack.AppendL(info);
- CleanupStack::Pop(element);
- return;
- }
-
- // Add attributes to the element:
- TInt attrCount = aAttributes.Count();
- for(TInt i = 0; i < attrCount; ++i)
- {
- const RAttribute& attribute = aAttributes[i];
- const RTagInfo& nameInfo = attribute.Attribute();
- const TDesC8& attrName8 = nameInfo.LocalName().DesC();
- const TDesC8& value8 = attribute.Value().DesC();
- // Convert data to 16 bit:
- HBufC* attrName16 = Convert8BitTo16BitLC(attrName8);
- HBufC* value16 = Convert8BitTo16BitLC(value8);
- CCreatorScriptAttribute* scriptAttr = CCreatorScriptAttribute::NewLC(attrName16->Des(), value16->Des());
- element->AddAttributeL(scriptAttr);
- CleanupStack::Pop(scriptAttr);
- CleanupStack::PopAndDestroy(value16);
- CleanupStack::PopAndDestroy(attrName16);
- }
-
- // Save element to the stack:
- TCreatorScriptElementInfo info(TCreatorScriptElementInfo::EStatusParsing, element);
- iElementStack.AppendL(info);
- CleanupStack::Pop(element);
- }
-
-/**
- * Executes the command if needed. Also caches the element for future use, if needed.
- */
-void CCreatorScriptParser::OnEndElementL(const RTagInfo& /*aElement*/, TInt aErrorCode)
- {
- LOGSTRING2("Creator: CCreatorScriptParser::OnEndElementL (Error code: %d)", aErrorCode);
- User::LeaveIfError(aErrorCode);
-
- if( iElementStack.Count() == 0 )
- {
- return;
- }
- // Get element from the stack:
- TCreatorScriptElementInfo elementInfo = LastElementInfo();
-
- if( elementInfo.iElement == 0 )
- {
- // Remove element from the stack:
- iElementStack.Remove(iElementStack.Count()-1);
- return;
- }
-
- // Execute the command if this is a command element:
- if( elementInfo.iElement->IsCommandElement() )
- {
- elementInfo.iElement->ExecuteCommandL();
- }
-
- // Remove element from the stack:
- iElementStack.Remove(iElementStack.Count()-1);
-
- // Get the previous element from the stack:
- if( iElementStack.Count() > 0 )
- {
- TCreatorScriptElementInfo previousElem = LastElementInfo();
-
- if( previousElem.iElement->IsRoot() )
- {
- // This element is not a sub-element (except of the root element, of course).
- if( elementInfo.iElement->IsCacheNeeded() )
- {
- // Add element to the cache, since it will be needed in future.
- elementInfo.iElement->AddToCacheL();
- }
- //else
- // {
- // Not needed anymore, so element can be deleted:
- delete elementInfo.iElement;
- elementInfo.iElement = 0;
- // }
- }
- else
- {
- // There is a parent element (other than root), so we add this element
- // as a sub-element fot it.
- previousElem.iElement->AddSubElementL(elementInfo.iElement);
- }
- }
- else
- {
- // Delete root element, which will delete recursively all sub-elements:
- delete elementInfo.iElement;
- elementInfo.iElement = 0;
- }
- }
-
-/**
- * Add content to element.
- */
-void CCreatorScriptParser::OnContentL(const TDesC8& aBytes, TInt aErrorCode)
- {
- LOGSTRING2("Creator: CCreatorScriptParser::OnContentL (Error code: %d)", aErrorCode);
- User::LeaveIfError(aErrorCode);
- if( iElementStack.Count() > 0 )
- {
- HBufC* contentData = Convert8BitTo16BitLC(aBytes);
- TCreatorScriptElementInfo elementInfo = iElementStack[iElementStack.Count()-1];
- if( elementInfo.iElement )
- {
- elementInfo.iElement->AppendContentL(*contentData);
- }
- CleanupStack::PopAndDestroy(contentData);
- }
- }
-
-HBufC16* CCreatorScriptParser::Convert8BitTo16BitLC(const TDesC8& aInput)
- {
- LOGSTRING("Creator: CCreatorScriptParser::Convert8BitTo16BitLC");
- HBufC16* output = NULL;
-
- output = CnvUtfConverter::ConvertToUnicodeFromUtf8L(aInput);
-
- CleanupStack::PushL(output);
- return output;
- }
-
-TInt CCreatorScriptParser::GetError() const
-{
- return iLastError;
-}