locationsystemui/locationsysui/posindicator/posreversegeocodeplugin/src/posrevgeocodexmlparser.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/locationsystemui/locationsysui/posindicator/posreversegeocodeplugin/src/posrevgeocodexmlparser.cpp Tue Aug 31 15:37:04 2010 +0300
@@ -0,0 +1,355 @@
+/*
+* Copyright (c) 2010 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: Implementation of XML parser class.
+*
+*/
+
+#include "posrevgeocodexmlparser.h"
+#include "posrevgeocodelogger.h"
+
+
+#include <utf.h>
+#include <EPos_CPosLandmark.h>
+
+// CONSTANTS
+_LIT8( KXmlMimeType, "text/xml" );
+_LIT8( KCountry, "country" );
+_LIT8( KState, "state" );
+_LIT8( KDistrict, "district" );
+_LIT8( KCity, "city" );
+_LIT8( KPostalCode, "postCode" );
+_LIT8( KThoroughfare, "thoroughfare" );
+_LIT8( KNameTag, "name" );
+_LIT8( KNumberTag, "number" );
+
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodeXmlParser::NewL
+//------------------------------------------------------------------------------
+CPosRevGeoCodeXmlParser* CPosRevGeoCodeXmlParser::NewL( MPosRevGeoCodeXmlObserver& aObserver )
+ {
+ FUNC("CPosRevGeoCodeXmlParser::NewL");
+ CPosRevGeoCodeXmlParser* self = new ( ELeave ) CPosRevGeoCodeXmlParser( aObserver );
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodeXmlParser::~CPosRevGeoCodeXmlParser
+//------------------------------------------------------------------------------
+CPosRevGeoCodeXmlParser::~CPosRevGeoCodeXmlParser()
+ {
+ FUNC("CPosRevGeoCodeXmlParser::~CPosRevGeoCodeXmlParser");
+ delete iParser;
+ delete iBuffer;
+ }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodeXmlParser::CPosRevGeoCodeXmlParser
+//------------------------------------------------------------------------------
+CPosRevGeoCodeXmlParser::CPosRevGeoCodeXmlParser( MPosRevGeoCodeXmlObserver& aObserver ):
+ iObserver( aObserver ),
+ iParser( NULL ),
+ iBuffer( NULL ),
+ iThoroughfare( EFalse )
+ {
+ FUNC("CPosRevGeoCodeXmlParser::CPosRevGeoCodeXmlParser");
+ }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodeXmlParser::ConstructL
+//------------------------------------------------------------------------------
+void CPosRevGeoCodeXmlParser::ConstructL()
+ {
+ FUNC("CPosRevGeoCodeXmlParser::ConstructL");
+ iParser = CParser::NewL( KXmlMimeType,*this );
+ }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodeXmlParser::StartParsingL
+//------------------------------------------------------------------------------
+void CPosRevGeoCodeXmlParser::StartParsingL( HBufC8 *aXmlInfo,
+ CPosLandmark* aLandmarkInfo )
+ {
+ FUNC("CPosRevGeoCodeXmlParser::StartParsingL");
+ // Store client's landmark
+ iClientLandmark = aLandmarkInfo;
+
+ if( iBuffer )
+ {
+ delete iBuffer;
+ iBuffer = NULL;
+ }
+
+ iBuffer = HBufC8::NewL( aXmlInfo->Size() );
+ TPtr8 ptr = iBuffer->Des();
+ ptr.Copy( aXmlInfo->Ptr(),aXmlInfo->Size() );
+
+ // Now, we have the whole file content in iBuffer.
+ // We are ready to parse the XML content.
+ iParser->ParseBeginL();
+ iParser->ParseL( *iBuffer );
+
+ // Since we read the whole file contents within one-shot,
+ // we can call ParseEndL() right after calling ParseL().
+ iParser->ParseEndL();
+ }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodeXmlParser::OnStartDocumentL
+//------------------------------------------------------------------------------
+void CPosRevGeoCodeXmlParser::OnStartDocumentL( const RDocumentParameters& /*aDocParam*/,
+ TInt aErrorCode )
+ {
+ FUNC("CPosRevGeoCodeXmlParser::OnStartDocumentL");
+ if( aErrorCode != KErrNone )
+ {
+ iObserver.OnParseCompletedL( aErrorCode );
+ }
+ }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodeXmlParser::OnEndDocumentL
+//------------------------------------------------------------------------------
+void CPosRevGeoCodeXmlParser::OnEndDocumentL( TInt aErrorCode )
+ {
+ FUNC("CPosRevGeoCodeXmlParser::OnEndDocumentL");
+ iObserver.OnParseCompletedL( aErrorCode );
+ }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodeXmlParser::OnStartElementL
+//------------------------------------------------------------------------------
+void CPosRevGeoCodeXmlParser::OnStartElementL( const RTagInfo& aElement,
+ const RAttributeArray& /*aAttributes*/,
+ TInt aErrorCode )
+ {
+ FUNC("CPosRevGeoCodeXmlParser::OnStartElementL");
+ if ( aErrorCode == KErrNone )
+ {
+ // If we find the start of an element, we write to the screen,
+ // for example: "<tag>"
+
+ if( !aElement.LocalName().DesC().Compare( KCountry ) )
+ {
+ iCurrentElement = ECountryName;
+ }
+ else if( !aElement.LocalName().DesC().Compare( KState ) )
+ {
+ iCurrentElement = EState;
+ }
+ else if( !aElement.LocalName().DesC().Compare( KCity ) )
+ {
+ iCurrentElement = ECity;
+ }
+ else if( !aElement.LocalName().DesC().Compare( KDistrict ) )
+ {
+ iCurrentElement = EDistrict;
+ }
+ else if( !aElement.LocalName().DesC().Compare( KPostalCode ) )
+ {
+ iCurrentElement = EPostalCode;
+ }
+ else if( !aElement.LocalName().DesC().Compare( KThoroughfare ) )
+ {
+ iThoroughfare = ETrue;
+ }
+ else if( !aElement.LocalName().DesC().Compare( KNameTag ) && iThoroughfare )
+ {
+ iCurrentElement = EThoroughfareName;
+ }
+ else if( !aElement.LocalName().DesC().Compare( KNumberTag ) && iThoroughfare )
+ {
+ iCurrentElement = EThoroughfareNumber;
+ }
+ else
+ {
+ // Nothing to be done here.
+ }
+ }
+ else
+ {
+ iObserver.OnParseCompletedL( aErrorCode );
+ }
+ }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodeXmlParser::OnEndElementL
+//------------------------------------------------------------------------------
+void CPosRevGeoCodeXmlParser::OnEndElementL( const RTagInfo& /*aElement*/, TInt aErrorCode )
+ {
+ FUNC("CPosRevGeoCodeXmlParser::OnEndElementL");
+ if( aErrorCode == KErrNone )
+ {
+ // at the end of the tag </tag>
+ //Set it to ENone
+ iCurrentElement = ENone;
+ iThoroughfare = EFalse;
+ }
+ else
+ {
+ iObserver.OnParseCompletedL( aErrorCode );
+ }
+ }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodeXmlParser::OnContentL
+//------------------------------------------------------------------------------
+void CPosRevGeoCodeXmlParser::OnContentL( const TDesC8 &aBytes, TInt aErrorCode )
+ {
+ FUNC("CPosRevGeoCodeXmlParser::OnContentL");
+ if( aErrorCode == KErrNone )
+ {
+
+ if( iCurrentElement == ENone )
+ {
+ //ignore if the current element is not there
+ return;
+ }
+
+ // convert the content to UCS-2
+ // from UTF-8
+ RBuf buffer;
+ CleanupClosePushL(buffer);
+ buffer.CreateL( aBytes.Length() );
+ CnvUtfConverter::ConvertToUnicodeFromUtf8( buffer,aBytes );
+
+ if( iCurrentElement == ECountryName )
+ {
+ iClientLandmark->SetPositionFieldL( EPositionFieldCountry,buffer );
+ }
+ else if( iCurrentElement == EState )
+ {
+ iClientLandmark->SetPositionFieldL( EPositionFieldState,buffer );
+ }
+ else if( iCurrentElement == EDistrict )
+ {
+ iClientLandmark->SetPositionFieldL( EPositionFieldDistrict,buffer );
+ }
+ else if( iCurrentElement == ECity )
+ {
+ iClientLandmark->SetPositionFieldL( EPositionFieldCity,buffer );
+ }
+ else if( iCurrentElement == EPostalCode )
+ {
+ iClientLandmark->SetPositionFieldL( EPositionFieldPostalCode,buffer );
+ }
+ else if( iCurrentElement == EThoroughfareName )
+ {
+ iClientLandmark->SetPositionFieldL( EPositionFieldStreet,buffer );
+ }
+ else if( iCurrentElement == EThoroughfareNumber )
+ {
+ iClientLandmark->SetPositionFieldL( EPositionFieldStreetExtension,buffer );
+ }
+ else
+ {
+ // Nothing to be done here.
+ }
+ CleanupStack::PopAndDestroy( &buffer );
+ }
+ else
+ {
+ iObserver.OnParseCompletedL( aErrorCode );
+ }
+ }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodeXmlParser::OnStartPrefixMappingL
+//------------------------------------------------------------------------------
+void CPosRevGeoCodeXmlParser::OnStartPrefixMappingL( const RString& /*aPrefix*/,
+ const RString& /*aUri*/,
+ TInt aErrorCode )
+ {
+ FUNC("CPosRevGeoCodeXmlParser::OnStartPrefixMappingL");
+ if( aErrorCode != KErrNone )
+ {
+ iObserver.OnParseCompletedL( aErrorCode );
+ }
+ }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodeXmlParser::OnEndPrefixMappingL
+//------------------------------------------------------------------------------
+void CPosRevGeoCodeXmlParser::OnEndPrefixMappingL( const RString& /*aPrefix*/,
+ TInt aErrorCode )
+ {
+ FUNC("CPosRevGeoCodeXmlParser::OnEndPrefixMappingL");
+ if( aErrorCode != KErrNone )
+ {
+ iObserver.OnParseCompletedL( aErrorCode );
+ }
+ }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodeXmlParser::OnIgnorableWhiteSpaceL
+//------------------------------------------------------------------------------
+void CPosRevGeoCodeXmlParser::OnIgnorableWhiteSpaceL( const TDesC8& /*aBytes*/,
+ TInt aErrorCode )
+ {
+ FUNC("CPosRevGeoCodeXmlParser::OnIgnorableWhiteSpaceL");
+ if( aErrorCode != KErrNone )
+ {
+ iObserver.OnParseCompletedL( aErrorCode );
+ }
+ }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodeXmlParser::OnSkippedEntityL
+//------------------------------------------------------------------------------
+void CPosRevGeoCodeXmlParser::OnSkippedEntityL( const RString& /*aName*/,
+ TInt aErrorCode )
+ {
+ FUNC("CPosRevGeoCodeXmlParser::OnSkippedEntityL");
+ if( aErrorCode != KErrNone )
+ {
+ iObserver.OnParseCompletedL( aErrorCode );
+ }
+ }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodeXmlParser::OnProcessingInstructionL
+//------------------------------------------------------------------------------
+void CPosRevGeoCodeXmlParser::OnProcessingInstructionL( const TDesC8& /*aTarget*/,
+ const TDesC8& /*aData*/,
+ TInt aErrorCode )
+ {
+ FUNC("CPosRevGeoCodeXmlParser::OnProcessingInstructionL");
+ if( aErrorCode != KErrNone )
+ {
+ iObserver.OnParseCompletedL( aErrorCode );
+ }
+ }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodeXmlParser::OnError
+//------------------------------------------------------------------------------
+void CPosRevGeoCodeXmlParser::OnError( TInt aErrorCode )
+ {
+ FUNC("CPosRevGeoCodeXmlParser::OnError");
+ TRAP_IGNORE( iObserver.OnParseCompletedL( aErrorCode ) );
+ }
+
+//------------------------------------------------------------------------------
+// CPosRevGeoCodeXmlParser::GetExtendedInterface
+//------------------------------------------------------------------------------
+TAny* CPosRevGeoCodeXmlParser::GetExtendedInterface( const TInt32 /*aUid*/ )
+ {
+ FUNC("CPosRevGeoCodeXmlParser::GetExtendedInterface");
+ return NULL;
+ }
+
+// End of File