// Copyright (c) 2006-2009 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 "cimapheaderfields.h"

CImapHeaderFields::CImapHeaderFields()

	{

	}

void CImapHeaderFields::ConstructL(TInt aStartFieldCount)

	{

	for (TInt field = 0; field < aStartFieldCount; ++field)

		{

		iImapFieldValueArray.AppendL(NULL);

		}

	}

CImapHeaderFields::~CImapHeaderFields()

	{

	iImapFieldValueArray.ResetAndDestroy();

	}

/**

Sets the value of the field identified by the supplied field name

@param aFieldname Name of the field to set

@param aValue Value to set the field to. This routine takes immediate

       ownership of the buffer

@return Whether field has been set to the new value

*/

TBool CImapHeaderFields::SetFieldL(const TDesC8& aFieldName, HBufC8* aValue)

	{

	CleanupStack::PushL(aValue);

	TBool needToStripSpaces = EFalse;

	TInt fieldId = Match(aFieldName, needToStripSpaces);

	if (fieldId != KErrNotFound)

		{

		ASSERT(fieldId < iImapFieldValueArray.Count());

		if (needToStripSpaces)

			{

			HBufC8* strippedValue = StripSpacesL(*aValue);

			CleanupStack::PopAndDestroy(aValue);

			aValue = strippedValue;

			CleanupStack::PushL(aValue);

			}

		delete iImapFieldValueArray[fieldId];

		iImapFieldValueArray[fieldId] = aValue;

		CleanupStack::Pop(aValue);

		return ETrue;

		}

	CleanupStack::PopAndDestroy(aValue);

	return EFalse;

	}

/**

Returns the value of the field identified by the supplied field index.

If the field has not been populated, a null descriptor is returned.

@param aFieldId index of the field value to return.

@return The value of the filed or a null descriptor.

*/

const TDesC8& CImapHeaderFields::FieldValue(TInt aFieldId)

	{

	ASSERT(aFieldId < iImapFieldValueArray.Count());

	return (iImapFieldValueArray[aFieldId] != NULL) ? *(iImapFieldValueArray[aFieldId]) : KNullDesC8();

	}

/**

Returns whether the field identified by the supplied field index has been populated.

This indicates whether the field value was supplied by the server.

@param aFieldId index of the field value to return.

@return Whether field has been populated.

*/

TBool CImapHeaderFields::FieldExists(TInt aFieldId)

	{

	ASSERT(aFieldId < iImapFieldValueArray.Count());

	return (iImapFieldValueArray[aFieldId] != NULL) ? ETrue : EFalse;

	}

/**

Strips all spaces from a header field

@param aValue Field value to strip spaces from

@return Buffer containing stripped value. Ownership is passed back to caller

*/

HBufC8* CImapHeaderFields::StripSpacesL(const TDesC8& aBuffer)

	{

	TInt bufferLen = aBuffer.Length();

	HBufC8* strippedValue = HBufC8::NewL(bufferLen);

	TPtr8 strippedBuffer = strippedValue->Des();

	for (TInt bufferPos = 0; bufferPos < bufferLen; ++bufferPos)

		{

		if (aBuffer[bufferPos] > ' ')

			{

			strippedBuffer.Append(aBuffer[bufferPos]);

			}

		}

	return strippedValue;

	}