--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/srsf/nssvasapi/nssvasdb/src/nssvascvasdatabase.cpp Thu Dec 17 08:46:30 2009 +0200
@@ -0,0 +1,994 @@
+/*
+* Copyright (c) 2003-2005 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: CNssVasDatabase is responsible for the issuing of requests to
+* to the VasDb server and returning the results to the VasDb Managers.
+*
+*/
+
+
+#include "srsfbldvariant.hrh"
+#include <e32base.h>
+#include <e32test.h>
+#include "nssvascvasdatabase.h"
+#include "nssvascspeechitem.h"
+#include "nssvascvasdbsrvdef.h"
+#include "nssvastspeechitemconstant.h"
+#include <f32file.h>
+#include "rubydebug.h"
+
+// Complementary macro for TRAPD:
+// TRAPD( err, doSomething() );
+// REACT( err, return( err ) );
+#define REACT(a,b) if ( a < 0 ) {b;}
+
+const TInt KTagRefListGranularity = 2;
+
+const TInt KFetchedTagRefListGranularity = 50;
+
+#ifdef _DEBUG
+// used in UDEB macros only
+_LIT( KVasDatabasePanic, "CNssVasDatabase.cpp" );
+#endif // _DEBUG
+
+// ============================ Methods ===============================
+
+//--------------------------------------------------------
+//C++ default constructor can NOT contain any code that
+// might leave.
+//--------------------------------------------------------
+CNssVASDatabase::CNssVASDatabase( TInt /*aPriority*/ )
+: iIsLocked( EFalse )
+ {
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::NewLC
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CNssVASDatabase* CNssVASDatabase::NewLC( TInt aPriority )
+ {
+ CNssVASDatabase* self = new(ELeave)CNssVASDatabase( aPriority );
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CNssVASDatabase* CNssVASDatabase::NewL( TInt aPriority )
+ {
+ CNssVASDatabase* self = NewLC( aPriority );
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CNssVASDatabase::ConstructL()
+ {
+ iContextBuilder = CNssContextBuilder::NewL();
+ iSpeechItemBuilder = CNssSpeechItemBuilder::NewL( this );
+ iVasDb = CNssVasDb::NewL( *iContextBuilder,
+ *iSpeechItemBuilder);
+ iTNssTagRefList = new(ELeave) TNssTagReferenceListArray( KTagRefListGranularity );
+ }
+
+//------------------------------------------
+// CNssVASDatabase::~CNssVASDatabase
+// Destructor
+//------------------------------------------
+CNssVASDatabase::~CNssVASDatabase()
+ {
+ RUBY_DEBUG0( "CNssVASDatabase::~CNssVASDatabase" );
+
+ if ( iGrammarIdRuleIdPackage )
+ {
+ delete iGrammarIdRuleIdPackage;
+ }
+
+ if ( iSpeechItemBuilder )
+ {
+ delete iSpeechItemBuilder;
+ }
+
+ if ( iVASDBEventMonitor )
+ {
+ delete iVASDBEventMonitor;
+ }
+
+ if ( iTNssTagRefList )
+ {
+ iTNssTagRefList->Reset();
+ delete iTNssTagRefList;
+ }
+
+ if ( iVasDb )
+ {
+ delete iVasDb;
+ }
+ if ( iContextBuilder )
+ {
+ delete iContextBuilder;
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// RNssVasDbSession::OpenDatabase
+// Method to open the database.
+// -----------------------------------------------------------------------------
+//
+TInt CNssVASDatabase::OpenDatabase()
+ {
+ if ( iConnected )
+ {
+ iConnected++;
+ return KErrDbAlreadyOpen;
+ }
+
+ TRAPD( error, iVasDb->OpenDatabaseL() );
+
+ if ( error == KErrNone )
+ {
+ iConnected++;
+ }
+
+ return error;
+ }
+
+// -----------------------------------------------------------------------------
+// RNssVasDbSession::CloseDatabase
+// Method to close the database.
+// -----------------------------------------------------------------------------
+//
+void CNssVASDatabase::CloseDatabase()
+ {
+ // Check if already closed (or never opened)
+ if ( iConnected > 0 )
+ {
+ // Some other VAS instance in the same thread may be using the database.
+ iConnected--;
+
+ // If not, close it.
+ if ( iConnected <= 0 )
+ {
+ iVasDb->CloseDatabase();
+ }
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::CreateDb
+// Method to create vas database
+// -----------------------------------------------------------------------------
+TInt CNssVASDatabase::CreateDb()
+ {
+ TRAPD( error, iVasDb->CreateDatabaseL() );
+
+ return error;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::StartMonitoringDatabaseL
+// Method to start monitoring changes to vas database
+// -----------------------------------------------------------------------------
+void CNssVASDatabase::StartMonitoringDatabaseL()
+ {
+ //iVASDBEventMonitor = CNssVASDBEventMonitor::NewL();
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::AddObserverL
+// Method to add an observer of the vas database
+// -----------------------------------------------------------------------------
+void CNssVASDatabase::AddObserverL( MNssVASDatabaseObserver* /*aObserver*/ )
+ {
+ User::Leave( KErrNotSupported );
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::RemoveObserverL
+// Method to remove an observer of the vas database
+// -----------------------------------------------------------------------------
+TInt CNssVASDatabase::RemoveObserver( MNssVASDatabaseObserver* /*aObserver*/ )
+ {
+ return KErrNotFound;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::ModelBankAndLexiconExist
+// Method to determine if modelbank and lexicon ids exist.
+// -----------------------------------------------------------------------------
+TBool CNssVASDatabase::ModelBankAndLexiconExist( TUint32 &aModelBankId, TUint32 &aLexiconId )
+ {
+ TBool ret = EFalse;
+
+ TRAPD( err, ret = iVasDb->GetModelBankIdLexiconIdL( aModelBankId, aLexiconId ) );
+
+ // To remove warning
+ if ( err != KErrNone )
+ {
+ }
+
+ return ret;
+ }
+
+//-----------------------------------------------------------------------------
+//CNssVasDatabase::TagExist
+//Method to determine if tags exist for a context.
+//-----------------------------------------------------------------------------
+TBool CNssVASDatabase::TagExist( CNssContext* aContext )
+ {
+ TBool ret( EFalse );
+
+ if ( aContext->ContextId() != KNssVASDbDefaultValue )
+ {
+ TRAPD( error, ret = iVasDb->TagExistL( aContext->ContextId() ) );
+ REACT( error, ret = EFalse );
+ }
+ else
+ {
+ RUBY_DEBUG0( "CNssVASDatabase::TagExist ERROR:Unsaved context" );
+ }
+
+ return ret;
+ }
+//-----------------------------------------------------------------------------
+//CNssVasDatabase::TagCount
+//Method to get the number of tags for a context.
+//-----------------------------------------------------------------------------
+TInt CNssVASDatabase::TagCount( CNssContext* aContext )
+ {
+ TInt ret( KErrNotFound );
+
+ if ( aContext->ContextId() != KNssVASDbDefaultValue )
+ {
+ TRAPD( error, ret = iVasDb->TagCountL( aContext->ContextId() ) );
+
+ // To remove warning
+ if ( error != KErrNone )
+ {
+ }
+ }
+
+ return ret;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::SaveContext
+// Method to save a context
+// -----------------------------------------------------------------------------
+TInt CNssVASDatabase::SaveContext( CNssContext* aContext, TInt& aContextId )
+ {
+ TInt ret = KErrNone;
+
+ aContextId = aContext->ContextId();
+
+ if ( aContext->ContextId() == KNssVASDbDefaultValue )
+ {
+ TRAP( ret, iVasDb->SaveContextL( *aContext, aContextId ) );
+ }
+ else
+ {
+ TRAP( ret, iVasDb->UpdateContextL( *aContext ) );
+ }
+
+ return ret;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::SaveContextClientData
+// Method to save the clientdata of a context
+// -----------------------------------------------------------------------------
+TInt CNssVASDatabase::SaveContextClientData( CNssContext* aContext )
+ {
+ TRAPD( error, iVasDb->UpdateContextClientDataL( *aContext ) );
+ return error;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::GetContext
+// Method to get a context by name
+// -----------------------------------------------------------------------------
+CArrayPtrFlat<CNssContext>* CNssVASDatabase::GetContext( const TDesC& aName )
+ {
+ CArrayPtrFlat<CNssContext>* result = NULL;
+
+ TRAPD( error, result = iVasDb->GetContextByNameL( aName ) );
+
+ // To remove warning
+ if ( error != KErrNone )
+ {
+ }
+
+ return result;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::GetGlobalContexts
+// Method to get all global contexts
+// -----------------------------------------------------------------------------
+CArrayPtrFlat<CNssContext>* CNssVASDatabase::GetGlobalContexts()
+ {
+ CArrayPtrFlat<CNssContext>* result = NULL;
+
+ TRAPD( error, result = iVasDb->GetGlobalContexts() );
+
+ // To remove warning
+ if ( error != KErrNone )
+ {
+ }
+
+ return( result );
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::GetAllContexts
+// Method to get all contexts
+// -----------------------------------------------------------------------------
+//
+CArrayPtrFlat<CNssContext>* CNssVASDatabase::GetAllContexts()
+ {
+ CArrayPtrFlat<CNssContext>* result = NULL;
+
+ TRAPD( error, result = iVasDb->GetAllContexts() );
+
+ // To remove warning
+ if ( error != KErrNone )
+ {
+ }
+
+ return result;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::SaveTag
+// Method to save a tag
+// -----------------------------------------------------------------------------
+TInt CNssVASDatabase::SaveTag( CNssTag* aTag, TInt& aNewId )
+ {
+ TInt ret = KErrNone;
+
+ if ( aTag->TagId() == KNssVASDbDefaultValue )
+ {
+ TRAP( ret, iVasDb->SaveTagL( *aTag, aNewId ) );
+ }
+ else
+ {
+ // Used to call RNssVasDbSession::UpdateTag
+ // which returned KErrNotSupported
+ ret = KErrNotSupported;
+ }
+
+ return ret;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::DeleteTag
+// Method to delete several tags
+// -----------------------------------------------------------------------------
+//
+TInt CNssVASDatabase::DeleteTags( const RArray<TUint32>& aTagIdArray )
+ {
+ TRAPD( error, iVasDb->DeleteTagsL( aTagIdArray ) );
+
+ return error;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::SaveTag
+// Method to save several tags
+// -----------------------------------------------------------------------------
+//
+TInt CNssVASDatabase::SaveTags( RPointerArray<CNssTag>* aTagArray )
+ {
+ RUBY_DEBUG0("CNssVASDatabase::SaveTags");
+
+ RArray<TInt> tagIdArray;
+
+ TInt arrayCount = aTagArray ? aTagArray->Count() : 0;
+ if( arrayCount == 0 )
+ {
+ arrayCount++;
+ }
+
+ CArrayPtrFlat<CNssTag>* ctagArray = new CArrayPtrFlat<CNssTag>( arrayCount );
+
+ for( TInt i( 0 ); i < aTagArray->Count(); i++ )
+ {
+ TRAPD( error, ctagArray->AppendL( (*aTagArray)[i] ) );
+ if( error != KErrNone )
+ {
+ delete ctagArray;
+ return error;
+ }
+ }
+
+ TRAPD( error, iVasDb->SaveTagsL( ctagArray, tagIdArray ) );
+
+ if( error == KErrNone )
+ {
+ RUBY_ASSERT_DEBUG( ctagArray->Count() == tagIdArray.Count(),
+ User::Panic( KVasDatabasePanic, __LINE__ ) );
+
+ for ( TInt k( 0 ); k < ctagArray->Count(); k++ )
+ {
+ (*aTagArray)[k]->SetTagId( tagIdArray[k] );
+ }
+ }
+ else
+ {
+ // iSess->SaveTags failed
+ /** @todo Higher level handler should display some "No memory" label if possible
+ Or should we do it here? */
+ }
+
+ delete ctagArray;
+
+ tagIdArray.Close();
+
+ return error;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::GetTag
+// Method to get a tag by name
+// -----------------------------------------------------------------------------
+MNssTagListArray* CNssVASDatabase::GetTag( const TDesC& aName )
+ {
+ CArrayPtrFlat<CNssTag>* result = NULL;
+
+ TRAPD( error, result = iVasDb->GetTagL( aName ) );
+
+ // To remove warning
+ if ( error != KErrNone )
+ {
+ }
+
+ CArrayPtrFlat<MNssTag>* array = NULL;
+
+ TInt arrayCount = result ? result->Count() : 0;
+ if( arrayCount == 0 )
+ {
+ arrayCount++;
+ }
+
+ array = new CArrayPtrFlat<MNssTag>( arrayCount );
+ if( !array )
+ {
+ return NULL;
+ }
+
+ if( result )
+ {
+ for( TInt i( 0 ); i < result->Count(); i++ )
+ {
+ TRAP( error, array->AppendL( result->At( i ) ) );
+ if( error != KErrNone )
+ {
+ return NULL;
+ }
+ }
+
+ result->Reset();
+ delete result;
+ }
+
+ return array;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::GetTag
+// Method to get a tag by context and name
+// Not fully implemented.
+// -----------------------------------------------------------------------------
+
+MNssTagListArray* CNssVASDatabase::GetTag(CNssContext* /*aContext*/,const TDesC& aName)
+ {
+ return GetTag(aName);
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::GetTag
+// Method to get a tag by context.
+// -----------------------------------------------------------------------------
+//
+CArrayPtrFlat<MNssTag>* CNssVASDatabase::GetTag( CNssContext* aContext )
+ {
+ CArrayPtrFlat<CNssTag>* result = NULL;
+
+ TRAPD( error, result = iVasDb->GetTagL( *aContext ) );
+
+ // To remove warning
+ if ( error != KErrNone )
+ {
+ }
+
+ CArrayPtrFlat<MNssTag>* array = NULL;
+
+ if( result )
+ {
+ array = new CArrayPtrFlat<MNssTag>( result->Count() );
+ if( !array )
+ {
+ return NULL;
+ }
+
+ for( TInt i( 0 ); i < result->Count(); i++ )
+ {
+ CNssTag* tag = result->At( i );
+ TRAP( error, array->AppendL( result->At( i ) ) );
+ if( error != KErrNone )
+ {
+ return NULL;
+ }
+ }
+
+ result->Reset();
+ delete result;
+ }
+
+ return array;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::GetTag
+// Method to get a tag by grammarid and ruleid.
+// -----------------------------------------------------------------------------
+//
+MNssTagListArray* CNssVASDatabase::GetTag( const TInt aGrammarID, const TInt aRuleID )
+ {
+ iTNssGrammarIdRuleId.iGrammarId = aGrammarID;
+ iTNssGrammarIdRuleId.iRuleId = aRuleID;
+
+ CArrayPtrFlat<CNssTag>* result = NULL;
+
+ TRAPD( error, result = iVasDb->GetTagL( iTNssGrammarIdRuleId ) );
+
+ // To remove warning
+ if ( error != KErrNone )
+ {
+ }
+
+ CArrayPtrFlat<MNssTag>* array = NULL;
+
+ TInt arrayCount = result ? result->Count() : 0;
+ if( arrayCount == 0 )
+ {
+ arrayCount++;
+ }
+
+ array = new CArrayPtrFlat<MNssTag>( arrayCount );
+ if( !array )
+ {
+ return NULL;
+ }
+
+ if( result )
+ {
+ for( TInt i( 0 ); i < result->Count(); i++ )
+ {
+ TRAP( error, array->AppendL( result->At( i ) ) );
+ if( error != KErrNone )
+ {
+ return NULL;
+ }
+ }
+
+ result->Reset();
+ delete result;
+ }
+
+ return array;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::GetTags
+// Method to get tags by their grammarid and ruleid.
+// -----------------------------------------------------------------------------
+//
+MNssTagListArray* CNssVASDatabase::GetTags( TNssGrammarIdRuleIdListArray& aGrammarIdRuleIds)
+ {
+ CArrayPtrFlat<CNssTag>* result = NULL;
+
+ TRAPD( error, result = iVasDb->GetTagsL( aGrammarIdRuleIds ) );
+
+ // To remove warning
+ if ( error != KErrNone )
+ {
+ }
+
+ CArrayPtrFlat<MNssTag>* array = NULL;
+
+ TInt arrayCount = result ? result->Count() : 0;
+ if( arrayCount == 0 )
+ {
+ arrayCount++;
+ }
+
+ array = new CArrayPtrFlat<MNssTag>( arrayCount );
+ if( !array )
+ {
+ return NULL;
+ }
+
+ if( result )
+ {
+ for( TInt i( 0 ); i < result->Count(); i++ )
+ {
+ TRAP( error, array->AppendL( result->At( i ) ) );
+ if( error != KErrNone )
+ {
+ return NULL;
+ }
+ }
+
+ result->Reset();
+ delete result;
+ }
+
+ return array;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::GetTag
+// Method to get a tag by tagid
+// -----------------------------------------------------------------------------
+MNssTagListArray* CNssVASDatabase::GetTag( const TUint32 aTagId )
+ {
+ CArrayPtrFlat<CNssTag>* result = NULL;
+
+ TRAPD( error, result = iVasDb->GetTagL( aTagId ) );
+
+ // To remove warning
+ if ( error != KErrNone )
+ {
+ }
+
+ CArrayPtrFlat<MNssTag>* array = NULL;
+
+ TInt arrayCount = result ? result->Count() : 0;
+ if( arrayCount == 0 )
+ {
+ arrayCount++;
+ }
+
+ array = new CArrayPtrFlat<MNssTag>( arrayCount );
+ if( !array )
+ {
+ return NULL;
+ }
+
+ if( result )
+ {
+ for( TInt i( 0 ); i < result->Count(); i++ )
+ {
+ TRAP( error, array->AppendL( result->At( i ) ) );
+ if( error != KErrNone )
+ {
+ return NULL;
+ }
+ }
+
+ result->Reset();
+ delete result;
+ }
+
+ return array;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::GetTagList
+// Method to get tags by rrd int position.
+// -----------------------------------------------------------------------------
+MNssTagListArray* CNssVASDatabase::GetTagList( CNssContext* aContext, TInt aNum, TInt aPosition )
+ {
+ CArrayPtrFlat<CNssTag>* result = NULL;
+
+ TRAPD( error, result = iVasDb->GetTagL( aContext->ContextId(),
+ aNum, aPosition ) );
+
+ // To remove warning
+ if ( error != KErrNone )
+ {
+ }
+
+ CArrayPtrFlat<MNssTag>* array = NULL;
+
+ TInt arrayCount = result ? result->Count() : 0;
+ if( arrayCount == 0 )
+ {
+ arrayCount++;
+ }
+
+ array = new CArrayPtrFlat<MNssTag>( arrayCount );
+ if( !array )
+ {
+ return NULL;
+ }
+
+ if( result )
+ {
+ for( TInt i( 0 ); i < result->Count(); i++ )
+ {
+ TRAP( error, array->AppendL( result->At( i ) ) );
+ if( error != KErrNone )
+ {
+ return NULL;
+ }
+ }
+
+ result->Reset();
+ delete result;
+ }
+
+ return array;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::GetTagList
+// Method to get tags by rrd text value and position.
+// -----------------------------------------------------------------------------
+MNssTagListArray* CNssVASDatabase::GetTagList( CNssContext* aContext,
+ TDesC& aText, TInt aPosition )
+ {
+ CArrayPtrFlat<CNssTag>* result = NULL;
+
+ TRAPD( error, result = iVasDb->GetTagL( aContext->ContextId(),
+ aText, aPosition ) );
+
+ // To remove warning
+ if ( error != KErrNone )
+ {
+ }
+
+ CArrayPtrFlat<MNssTag>* array = NULL;
+
+ TInt arrayCount = result ? result->Count() : 0;
+ if( arrayCount == 0 )
+ {
+ arrayCount++;
+ }
+
+ array = new CArrayPtrFlat<MNssTag>( arrayCount );
+ if( !array )
+ {
+ return NULL;
+ }
+
+ if( result )
+ {
+ for( TInt i( 0 ); i < result->Count(); i++ )
+ {
+ TRAP( error, array->AppendL( result->At( i ) ) );
+ if( error != KErrNone )
+ {
+ return NULL;
+ }
+ }
+
+ result->Reset();
+ delete result;
+ }
+
+ return array;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::DeleteTag
+// Method to delete a tag.
+// -----------------------------------------------------------------------------
+TInt CNssVASDatabase::DeleteTag( CNssTag *aTag )
+ {
+ TInt ret( KErrNotFound );
+
+ if ( aTag->TagId() != KNssVASDbDefaultValue )
+ {
+ ret = DeleteTag( aTag->TagId() );
+ }
+
+ return ret;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::DeleteTag
+// Method to delete a tag by name.
+// -----------------------------------------------------------------------------
+TInt CNssVASDatabase::DeleteTag( const TDesC& aName )
+ {
+ TRAPD( error, iVasDb->DeleteTagL( aName ) );
+
+ return( error );
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::DeleteTag
+// Method to delete a tag by key/id.
+// -----------------------------------------------------------------------------
+TInt CNssVASDatabase::DeleteTag( const TUint32 aTagId )
+ {
+ TRAPD( error, iVasDb->DeleteTagL( aTagId ) );
+
+ return( error );
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::DeleteContext
+// Method to delete context.
+// -----------------------------------------------------------------------------
+TInt CNssVASDatabase::DeleteContext( CNssContext* aContext )
+ {
+ return( DeleteContext( aContext->ContextName() ) );
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::DeleteContext
+// Method to delete context by name.
+// -----------------------------------------------------------------------------
+TInt CNssVASDatabase::DeleteContext( const TDesC& aName )
+ {
+ TRAPD( error, iVasDb->DeleteContextL( aName ) );
+
+ return( error );
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVasDatabase::DeleteContext
+// Method to all tag references of a context.
+// -----------------------------------------------------------------------------
+//
+CArrayPtrFlat<MNssTagReference>* CNssVASDatabase::GetTagReferenceList( CNssContext* aContext )
+ {
+ TNssTagReferenceListArray* ttagRefArray = NULL;
+
+ TRAPD( error,
+ ttagRefArray = iVasDb->GetTagReferenceListL( aContext->ContextId() ) );
+
+ // To remove warning
+ if ( error != KErrNone )
+ {
+ }
+
+ if ( !ttagRefArray )
+ {
+ return( NULL );
+ }
+
+ // Convert TNssTagReferences to CNssTagReferences
+ CArrayPtrFlat<MNssTagReference>* result =
+ new CArrayPtrFlat<MNssTagReference>( KFetchedTagRefListGranularity );
+
+ if ( !result )
+ {
+ delete ttagRefArray;
+ ttagRefArray = 0;
+ return( NULL );
+ }
+
+ TRAPD( err, ConvertTNssTagRefToMNssTagRefL( ttagRefArray, result ) );
+
+ delete ttagRefArray;
+ ttagRefArray = 0;
+
+ if ( err != KErrNone )
+ {
+ result->ResetAndDestroy();
+ delete result;
+ result = 0;
+ }
+
+ return( result );
+ }
+
+
+// ------------------------
+// Private Utility Methods
+// -----------------------
+
+// -----------------------------------------------------------------------------
+// CNssVASDatabase::ConvertTNssTagRefToMNssTagRefL
+//
+// -----------------------------------------------------------------------------
+//
+void CNssVASDatabase::ConvertTNssTagRefToMNssTagRefL(
+ TNssTagReferenceListArray* aTNssTagRef,
+ CArrayPtrFlat<MNssTagReference>* aCNssTagRef )
+ {
+ CNssTagReference* tagRefPtr=NULL;
+
+ for ( TInt i( 0 ); i < aTNssTagRef->Count(); i++ )
+ {
+ tagRefPtr = new(ELeave)CNssTagReference();
+ CleanupStack::PushL( tagRefPtr );
+ tagRefPtr->SetTagNameL( (*aTNssTagRef)[i].iTagName );
+ tagRefPtr->SetTagId( (*aTNssTagRef)[i].iTagId );
+ aCNssTagRef->AppendL( tagRefPtr );
+ CleanupStack::Pop( tagRefPtr );
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVASDatabase::ConvertDBError
+//
+// -----------------------------------------------------------------------------
+//
+MNssVASDatabaseClient::TNssVASDBClientReturnCode CNssVASDatabase::ConvertDBError( TInt aError )
+ {
+ MNssVASDatabaseClient::TNssVASDBClientReturnCode failcode =
+ MNssVASDatabaseClient::EVASDBFailure;
+
+ switch ( aError )
+ {
+ case KErrNone:
+ failcode = MNssVASDatabaseClient::EVASDBSuccess;
+ break;
+ case KErrNotFound:
+ failcode = MNssVASDatabaseClient::EVASDBItemNotFound;
+ break;
+ case KErrNoMemory:
+ failcode = MNssVASDatabaseClient::EVASDBNoMemory;
+ break;
+ case KErrDiskFull:
+ failcode = MNssVASDatabaseClient::EVASDBDiskFull;
+ break;
+ default:
+ failcode = MNssVASDatabaseClient::EVASDBFailure;//just in case
+ break;
+ }
+
+ return failcode;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVASDatabase::GetDefaultModelBankId
+//
+// -----------------------------------------------------------------------------
+//
+TInt CNssVASDatabase::GetDefaultModelBankId( TUint32& aId )
+ {
+ TRAPD( error, iVasDb->GetDefaultModelBankIdL( aId ) );
+
+ return error;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVASDatabase::ResetModelBank
+//
+// -----------------------------------------------------------------------------
+//
+TInt CNssVASDatabase::ResetModelBank( TUint32 aNewId )
+ {
+ TRAPD( error, iVasDb->ResetModelBankL( aNewId ) );
+
+ return error;
+ }
+
+// -----------------------------------------------------------------------------
+// CNssVASDatabase::UpdateTagRuleIDs
+//
+// -----------------------------------------------------------------------------
+//
+TInt CNssVASDatabase::UpdateTagRuleIDs(
+ const RArray<TNssSpeechItem>& aRetrainedTags )
+ {
+ TRAPD( error, iVasDb->UpdateTagRuleIDsL( aRetrainedTags ) );
+
+ return( error );
+ }