--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiservicetabsettings/src/cvimpstsettingskeyvaluepair.cpp	Tue Feb 02 10:12:18 2010 +0200
@@ -0,0 +1,363 @@
+/*
+* Copyright (c) 2004 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:  Key - value container.
+*
+*/
+
+// INCLUDE FILES
+#include	<utf.h> // for unicode character conversions
+#include	<centralrepository.h>
+#include    <e32std.h>
+#include    "cvimpstsettingskeyvaluepair.h"
+#include    "vimpstsettingsstoredefinitions.h"
+#include    "vimpstsettingsstorecenrepuids.h"
+//MACROS 
+
+//Helper macro to check value type in data set
+#define REQUIRE_SET_VALUE_TYPE( aType ) \
+    { \
+    TBool _settable = ( iValueType == EValueTypeNone ) || \
+                      ( iValueType == aType ); \
+    if( !_settable )\
+        {\
+        return KErrGeneral;\
+        }\
+    } \
+
+//Helper macro to check value type in data get
+#define REQUIRE_GET_VALUE_TYPE( aType ) \
+    { \
+    if( iValueType == EValueTypeNone ) \
+        { \
+        return KErrNotFound; \
+        } \
+    TBool _readable = ( iValueType == aType ); \
+    if( !_readable ) \
+        { \
+        return KErrGeneral; \
+        } \
+    } \
+
+
+// ================= MEMBER FUNCTIONS =======================
+
+// -----------------------------------------------------------------------------
+// CVIMPSTSettingsKeyValuePair::New()
+// -----------------------------------------------------------------------------
+//
+CVIMPSTSettingsKeyValuePair* CVIMPSTSettingsKeyValuePair::New( const TDesC16& aKey )
+    {
+    //Non leaving two phased constructor!!!
+    				 
+    CVIMPSTSettingsKeyValuePair* self = new CVIMPSTSettingsKeyValuePair;	// CSI: 62 #
+    if( self )
+        {
+        self->iKey = aKey.Alloc();
+        if( !self->iKey )
+            {
+            delete self;
+            self = NULL;
+            }
+        }
+    
+    return self;    
+    }
+
+// -----------------------------------------------------------------------------
+// CVIMPSTSettingsKeyValuePair::NewLC()
+// -----------------------------------------------------------------------------
+//
+CVIMPSTSettingsKeyValuePair* CVIMPSTSettingsKeyValuePair::NewLC( const TDesC& aKeyValuePairFlat )
+    {
+    CVIMPSTSettingsKeyValuePair* self = new (ELeave) CVIMPSTSettingsKeyValuePair;
+    CleanupStack::PushL( self );
+    self->ParseFlatKeyValuePairL( aKeyValuePairFlat );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CVIMPSTSettingsKeyValuePair::~CVIMPSTSettingsKeyValuePair()
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CVIMPSTSettingsKeyValuePair::~CVIMPSTSettingsKeyValuePair()
+    {
+    Reset();
+    }
+
+
+// -----------------------------------------------------------------------------
+// CVIMPSTSettingsKeyValuePair::CVIMPSTSettingsKeyValuePair()
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CVIMPSTSettingsKeyValuePair::CVIMPSTSettingsKeyValuePair()
+    : iValueType( EValueTypeNone )
+    {
+    }
+
+
+
+// -----------------------------------------------------------------------------
+// CVIMPSTSettingsKeyValuePair::ConstructL()
+// -----------------------------------------------------------------------------
+//
+void CVIMPSTSettingsKeyValuePair::ConstructL( RReadStream& aStream )
+    {
+    
+    //Default data    
+    TInt keyLength = aStream.ReadInt32L();
+    iKey = HBufC::NewL( keyLength );
+    TPtr keyPtr( iKey->Des() );
+    aStream.ReadL( keyPtr, keyLength );
+    
+    iValueType = static_cast< TValueType > ( aStream.ReadInt8L() );
+    switch( iValueType )
+        {        
+        case EValueTypeDesC16: 
+            {
+            TInt descLength = aStream.ReadInt32L();
+            iBuf16 = HBufC16::NewL( descLength );
+            TPtr16 descPtr16( iBuf16->Des() );
+            aStream.ReadL( descPtr16, descLength );
+            break;
+            }
+
+        //FLOW THROUGH
+        case EValueTypeNone:
+        default:
+            {
+            break;
+            }
+        };
+    }
+
+
+
+// -----------------------------------------------------------------------------
+// CVIMPSTSettingsKeyValuePair::Reset()
+// -----------------------------------------------------------------------------
+//
+void CVIMPSTSettingsKeyValuePair::Reset()
+    {
+    switch( iValueType )
+        {
+        case EValueTypeDesC16: 
+            {
+            delete iBuf16;
+            iBuf16 = NULL;
+            break;
+            }
+        
+        //FLOW THROUGH       
+        case EValueTypeNone:
+        default:
+            {
+            break;
+            }
+        };
+    
+    iValueType = EValueTypeNone;
+
+    delete iKey;
+    iKey = NULL;
+    }
+
+
+
+// -----------------------------------------------------------------------------
+// CVIMPSTUiSAPKeyValuePair::Key()
+// -----------------------------------------------------------------------------
+//
+const TDesC& CVIMPSTSettingsKeyValuePair::Key() const
+    {
+    return *iKey;
+    }
+
+// -----------------------------------------------------------------------------
+// CVIMPSTSettingsKeyValuePair::SetValue()
+// -----------------------------------------------------------------------------
+//
+TInt CVIMPSTSettingsKeyValuePair::SetValue( const TDesC16& aValue )
+    {
+    REQUIRE_SET_VALUE_TYPE( EValueTypeDesC16 )
+
+	// Allocate memory for the new value
+    HBufC16* tmp = aValue.Alloc();
+    if( !tmp )
+        {
+        return KErrNoMemory;
+        }   
+
+ 	// Swap pointers
+    HBufC16* tmp2( NULL );
+   	tmp2 = iBuf16;
+    iBuf16 = tmp;
+    iValueType = EValueTypeDesC16;
+	
+	TBool dataTooBig( IsDataTooBig() );
+	TInt err( KErrNone );
+
+	// Rollback if data too bog
+	if( dataTooBig )
+		{
+		iBuf16 = tmp2;
+		delete tmp;
+		err = KErrTooBig;
+		}
+	// Otherwise delete the old value
+	else
+		{
+		delete tmp2;
+		}	 	    
+    return err;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CVIMPSTSettingsKeyValuePair::GetValue()
+// -----------------------------------------------------------------------------
+//
+TInt CVIMPSTSettingsKeyValuePair::GetValue( TPtrC16& aValue ) const
+    {
+    REQUIRE_GET_VALUE_TYPE( EValueTypeDesC16 )
+
+    aValue.Set( *iBuf16 );
+    return KErrNone;
+    }
+	
+// -----------------------------------------------------------------------------
+// CVIMPSTSettingsKeyValuePair::KeyValuePairFlatLC()
+// -----------------------------------------------------------------------------
+//
+
+HBufC* CVIMPSTSettingsKeyValuePair::KeyValuePairFlatLC()
+	{
+	
+	// reserve memory for 2 field separators
+	HBufC* flatBuf = HBufC::NewLC( NCentralRepositoryConstants::KMaxUnicodeStringLength );  
+	
+	TPtr flatBufPtr( flatBuf->Des() );
+   	
+    flatBufPtr.Append( *iKey );
+    flatBufPtr.Append( KKeyValuePairFieldSeparator );
+	flatBufPtr.AppendNum( iValueType, EDecimal );
+   	flatBufPtr.Append( KKeyValuePairFieldSeparator );
+		
+	switch( iValueType )
+        {
+        case EValueTypeDesC16: 
+            {
+          	flatBufPtr.Append( *iBuf16 );
+            break;
+            }
+
+        //FLOW THROUGH
+        case EValueTypeNone:
+        default:
+            {
+            break;
+            }
+        };
+	return flatBuf;
+	}
+
+// -----------------------------------------------------------------------------
+// CVIMPSTSettingsKeyValuePair::IsDataTooBig()
+// -----------------------------------------------------------------------------
+//
+TBool CVIMPSTSettingsKeyValuePair::IsDataTooBig() const
+    {
+    return ( DataSizeDec() > ( NCentralRepositoryConstants::KMaxUnicodeStringLength - 
+                    2*KKeyValuePairFieldSeparator().Length() - 1) );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CVIMPSTSettingsKeyValuePair::DataSizeDec()
+// -----------------------------------------------------------------------------
+//
+TInt CVIMPSTSettingsKeyValuePair::DataSizeDec() const
+    {    
+    TInt dataSize( iKey->Length() );
+    
+    switch( iValueType )
+        {    
+        case EValueTypeDesC16: 
+            {
+            dataSize += iBuf16->Length();
+            break;
+            }
+
+        //FLOW THROUGH
+        case EValueTypeNone:
+        default:
+            {
+            break;
+            }
+        };
+
+    return dataSize;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CVIMPSTSettingsKeyValuePair::ParseFlatKeyValuePairL()
+// -----------------------------------------------------------------------------
+//
+
+void CVIMPSTSettingsKeyValuePair::ParseFlatKeyValuePairL( const TDesC& aKeyValuePairFlat )
+    {
+    TInt offset( aKeyValuePairFlat.Find( KKeyValuePairFieldSeparator ) );
+    TInt offset2( aKeyValuePairFlat.Mid( offset + 
+            KKeyValuePairFieldSeparator().Length() ).Find(
+                    KKeyValuePairFieldSeparator ) 
+    );
+
+    if( ( offset == KErrNotFound ) || ( offset2 == KErrNotFound ) )
+        {
+        //Incorrect format, leave
+        User::Leave( KErrNotFound );
+        }
+
+    TPtrC key( aKeyValuePairFlat.Left( offset ) );
+
+    iKey = key.AllocL();
+
+    TPtrC valueType( aKeyValuePairFlat.Mid( offset + 
+            KKeyValuePairFieldSeparator().Length(), offset2 ) );
+    TLex lexer( valueType );
+    TInt valueTypeInt( 0 );
+    User::LeaveIfError( lexer.Val( valueTypeInt ) ); 
+    TPtrC value( aKeyValuePairFlat.Mid(offset + offset2 + 
+            2*KKeyValuePairFieldSeparator().Length() ) ); // skip 2 separators
+            switch( valueTypeInt )
+                {               
+                case EValueTypeDesC16:
+                    {
+                    User::LeaveIfError( SetValue( value ) );
+                    break;
+                    }
+
+                    //FLOW THROUGH
+                case EValueTypeNone:
+                default:
+                    {
+                    break;
+                    }
+                }
+    }
+//  End of File
+