/*

* 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 the License "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:  Map to store attributes and its values

*

*/

#include "FeedsMap.h"

// -----------------------------------------------------------------------------

// CFeedsMap::NewL

//

// Two-phased constructor.

// -----------------------------------------------------------------------------

//

 EXPORT_C CFeedsMap* CFeedsMap::NewL()

    {

    CFeedsMap * self = NewLC();

    CleanupStack::Pop(self);

    return self;

    }

// -----------------------------------------------------------------------------

// CFeedsMap::NewLC

//

// Two-phased constructor.

// -----------------------------------------------------------------------------

//

CFeedsMap* CFeedsMap::NewLC()

    {

    CFeedsMap * self = new (ELeave) CFeedsMap;

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

    }

// -----------------------------------------------------------------------------

// CFeedsMap::CFeedsMap

//

// C++ default constructor can NOT contain any code, that

// might leave.  

// -----------------------------------------------------------------------------

//

CFeedsMap::CFeedsMap():iValueString(NULL)

    {	

    }

// -----------------------------------------------------------------------------

// CFeedsMap::~CFeedsMap

//

// Deconstructor.  

// -----------------------------------------------------------------------------

//

 EXPORT_C CFeedsMap::~CFeedsMap()

    {

    delete iValueString;	

    iEnums.Reset();

    iStart.Reset();

    iSize.Reset();

    }

// -----------------------------------------------------------------------------

// CFeedsMap::ConstructL

//

// Symbian 2nd phase constructor can leave.  

// -----------------------------------------------------------------------------

//

void CFeedsMap::ConstructL()

    {

    iEnums.Reset();

    iStart.Reset();

    iSize.Reset();

    if(iValueString != NULL)

       {

       delete iValueString;

       iValueString = NULL; 

       }

    iValueString = HBufC::NewL(32);

    }	

// -----------------------------------------------------------------------------

// CFeedsMap::ResetL

//

// Resets the Map

// -----------------------------------------------------------------------------

//

 EXPORT_C void CFeedsMap::ResetL()

    {

    ConstructL();

    }

// -----------------------------------------------------------------------------

// CFeedsMap::SetStringAttribute

//

// Sets string attribute

// -----------------------------------------------------------------------------

//

 EXPORT_C TInt CFeedsMap::SetStringAttribute(TUint anAttribute, const TDesC& aValue)

    {

    TInt pos=0;

    HBufC* tempPtr = NULL;

    TInt length = iValueString->Des().Length();

    TInt nLength = aValue.Length();

    if( ( pos = iEnums.Find( anAttribute ) ) != KErrNotFound )

    {

        if(nLength > iSize[pos])

        {

        	tempPtr = iValueString->ReAlloc(length + nLength-iSize[pos]);

        	if(tempPtr == NULL)

        		return KErrNoMemory;

        	iValueString = tempPtr;

        }

        iValueString->Des().Delete(iStart[pos],iSize[pos]);

        for(TInt i = 0;i<iStart.Count();i++)

        {

        	if(iStart[i] >= iStart[pos])

        		iStart[i] = iStart[i] - iSize[pos];

        }

        iStart.Remove(pos);

        iEnums.Remove(pos);

        iSize.Remove(pos);

        iEnums.Append(anAttribute);

        iStart.Append(iValueString->Des().Length());

        iSize.Append(nLength);

        iValueString->Des().Append(aValue);

        return KErrNone;

    }

    else if(length+nLength >iValueString->Des().MaxLength())

    {

        tempPtr = iValueString->ReAlloc(length + nLength);

        if(tempPtr == NULL)

        	return KErrNoMemory;

        iValueString = tempPtr;

    }

    iValueString->Des().Append(aValue);

    iEnums.Append(anAttribute);

    iStart.Append(length);

    iSize.Append(nLength);

    return KErrNone;

    }

// -----------------------------------------------------------------------------

// CFeedsMap::SetIntegerAttribute

//

// Sets integer attribute

// -----------------------------------------------------------------------------

//

 EXPORT_C TInt CFeedsMap::SetIntegerAttribute(TUint anAttribute, TInt aValue)

    {

    TBuf16<25>  buf;

    buf.AppendNum(aValue);

    TInt pos=0;

    HBufC* tempPtr = NULL;

    TInt length = iValueString->Des().Length();

    TInt nLength = buf.Length();

    if( ( pos = iEnums.Find( anAttribute ) ) != KErrNotFound )

        {

        if(nLength > iSize[pos])

        {

        	tempPtr = iValueString->ReAlloc(length + nLength-iSize[pos]);

        	if(tempPtr == NULL)

        		return KErrNoMemory;

        	iValueString = tempPtr;

        }

        iValueString->Des().Delete(iStart[pos],iSize[pos]);

        for(TInt i = 0;i<iStart.Count();i++)

        {

        	if(iStart[i] >= iStart[pos])

        		iStart[i] = iStart[i] - iSize[pos];

        }

        iStart.Remove(pos);

        iEnums.Remove(pos);

        iSize.Remove(pos);

        iEnums.Append(anAttribute);

        iStart.Append(iValueString->Des().Length());

        iSize.Append(nLength);

        iValueString->Des().Append(buf);

        return KErrNone;

        }

    else if(length+nLength >iValueString->Des().MaxLength())

        {

        tempPtr = iValueString->ReAlloc(length + nLength);

        if(tempPtr == NULL)

        	return KErrNoMemory;

        iValueString = tempPtr;

        }

    iValueString->Des().Append(buf);

    iEnums.Append(anAttribute);

    iStart.Append(length);

    iSize.Append(nLength);

    return KErrNone;	

    }

// -----------------------------------------------------------------------------

// CFeedsMap::SetTimeAttribute

//

// Sets time attribute

// -----------------------------------------------------------------------------

//

 EXPORT_C TInt CFeedsMap::SetTimeAttribute(TUint anAttribute, TTime aValue)

    {

    TBuf16<25>  buf;

    buf.Format(_L("%Ld"), aValue.Int64());

    TInt pos=0;

    HBufC* tempPtr = NULL;

    TInt length = iValueString->Des().Length();

    TInt nLength = buf.Length();

    if( ( pos = iEnums.Find( anAttribute ) ) != KErrNotFound )

    {

        if(nLength > iSize[pos])

        {

        	tempPtr = iValueString->ReAlloc(length + nLength-iSize[pos]);

        	if(tempPtr == NULL)

        		return KErrNoMemory;

        	iValueString = tempPtr;

        }

        iValueString->Des().Delete(iStart[pos],iSize[pos]);

        for(TInt i = 0;i<iStart.Count();i++)

        {

        	if(iStart[i] >= iStart[pos])

        		iStart[i] = iStart[i] - iSize[pos];

        }

        iStart.Remove(pos);

        iEnums.Remove(pos);

        iSize.Remove(pos);

        iEnums.Append(anAttribute);

        iStart.Append(iValueString->Des().Length());

        iSize.Append(nLength);

        iValueString->Des().Append(buf);

        return KErrNone;

    }

    else if(length+nLength >iValueString->Des().MaxLength())

    {

        tempPtr = iValueString->ReAlloc(length + nLength);

        if(tempPtr == NULL)

        	return KErrNoMemory;

        iValueString = tempPtr;

    }

    iValueString->Des().Append(buf);

    iEnums.Append(anAttribute);

    iStart.Append(length);

    iSize.Append(nLength);

    return KErrNone;	

    }

// -----------------------------------------------------------------------------

// CFeedsMap::GetStringAttribute

//

// Gets string attribute

// -----------------------------------------------------------------------------

//

 EXPORT_C TInt CFeedsMap::GetStringAttribute(TUint anAttribute, TPtrC& aValue) const

    {

    TInt pos=0;

    if((pos = iEnums.Find(anAttribute)) != KErrNotFound)

        {

        TInt start = iStart[pos];

        TInt end= iSize[pos];

        aValue.Set(iValueString->Mid(iStart[pos],iSize[pos]));

        return KErrNone;

        }

    else 

        {

        return KErrNotFound;	

        }		

    }

// -----------------------------------------------------------------------------

// CFeedsMap::GetIntegerAttribute

//

// Gets integer attribute

// -----------------------------------------------------------------------------

//

 EXPORT_C TInt CFeedsMap::GetIntegerAttribute(TUint anAttribute, TInt& aValue) const

    {

    TInt pos=0;

    TPtrC value;

    if((pos = iEnums.Find(anAttribute)) != KErrNotFound)

        {

        value.Set(iValueString->Mid(iStart[pos],iSize[pos]));

        TLex16  lex(value);

        lex.Val(aValue);	

        return KErrNone;	

        }

    else 

        {

        return KErrNotFound;

        }		

    }

// -----------------------------------------------------------------------------

// CFeedsMap::GetTimeAttribute

//

// Gets time aatribute

// -----------------------------------------------------------------------------

//

 EXPORT_C TInt CFeedsMap::GetTimeAttribute(TUint anAttribute, TTime& aValue) const

    {

    TInt pos=0;

    TPtrC value;

    if((pos = iEnums.Find(anAttribute)) != KErrNotFound)

        {

        value.Set(iValueString->Mid(iStart[pos],iSize[pos]));

        TInt64 ts;

        TLex16  lex(value);

        lex.Val(ts);	

        aValue = ts;

        return KErrNone;

        }

    else 

        {

        return KErrNotFound;

        }		

    }

// -----------------------------------------------------------------------------

// CFeedsMap::IsExist

//

// Returns ETrue if specified attribute exists in the map

// -----------------------------------------------------------------------------

//

 EXPORT_C TBool CFeedsMap::IsExist(TUint aEnum) const

    {

    if(iEnums.Find(aEnum) != KErrNotFound)

        {

        return ETrue;

        }

    else

        {

        return EFalse;	

        }		

    }

// -----------------------------------------------------------------------------

// CFeedsMap::Count()

//

// Counts number of entries

// -----------------------------------------------------------------------------

//

 EXPORT_C TInt CFeedsMap::Count() const

    {

    return iEnums.Count();

    }

// -----------------------------------------------------------------------------

// CFeedsMap::operator[]

//

// Return the aatribute at the specified index

// -----------------------------------------------------------------------------

//

 EXPORT_C TUint CFeedsMap::operator[](TInt index) const

    {

    return iEnums[index];

    }