// Copyright (c) 2004-2009 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 <badesca.h>

#include <s32mem.h>

#include <cmsvmimeheaders.h>

#include <cmsvattachment.h>

const TUid KUidMimeHeaders = {0x10204281};

const TInt KDesCArrayGranularity = 8;

const TInt KStreamBufferGranularity = 512;

_LIT8(KTxtWildcardBase64, "*base64*");

_LIT8(KTxtWildcardQP, "*quoted-printable*");

_LIT8(KTxtWildcard7Bit, "*7bit*");

_LIT8(KTxtWildcard8Bit, "*8bit*");

_LIT8(KTxtWildcardBinary, "*binary*");

_LIT8(KTxtWildcardUU, "*uu*");

/**

Standard 2-phase construction, creates the mime headers object.

Creates and initailises the mime headers with no data.

@return Pointer to the created mime headers object.

*/

EXPORT_C CMsvMimeHeaders* CMsvMimeHeaders::NewL()

	{

	CMsvMimeHeaders* self = NewLC();

	CleanupStack::Pop(self);

	return self;

	}

/**

Standard 2-phase construction, creates the mime headers object.

Creates and initailises the mime headers with no data. Leaves a pointer on the

cleanup stack.

@return Pointer to the created mime headers object.

*/

EXPORT_C CMsvMimeHeaders* CMsvMimeHeaders::NewLC()

	{

	CMsvMimeHeaders* self = new(ELeave) CMsvMimeHeaders();

	CleanupStack::PushL(self);

	self->ConstructL();

	return self;

	}

CMsvMimeHeaders::CMsvMimeHeaders()

	{

	}

void CMsvMimeHeaders::ConstructL()

	{

	iContentTypeParams  = new(ELeave) CDesC8ArrayFlat(KDesCArrayGranularity);

	iContentDispositionParams  = new(ELeave) CDesC8ArrayFlat(KDesCArrayGranularity);	

	iXTypeParams  = new(ELeave) CDesC8ArrayFlat(KDesCArrayGranularity);

	}

/**

Standard destructor.

*/

EXPORT_C CMsvMimeHeaders::~CMsvMimeHeaders()

	{

	Reset();

	delete iContentTypeParams;

	delete iContentDispositionParams;

	delete iXTypeParams; 

	}

/**

Resets the mime headers.

Resets and removes all the mime headers and data that has been set.

*/

EXPORT_C void CMsvMimeHeaders::Reset()

	{

	delete iContentDescription;

	iContentDescription = NULL;

	delete iContentBase;

	iContentBase = NULL;

	delete iContentLocation;

	iContentLocation = NULL;

	delete iContentId;

	iContentId = NULL;

	delete iContentType;

	iContentType = NULL;

	delete iContentSubType;

	iContentSubType = NULL;

	delete iContentDisposition;

	iContentDisposition = NULL;

	iContentTypeParams->Reset();

	iContentDispositionParams->Reset();

	iXTypeParams->Reset();

	iMimeCharset = 0;

	delete iSuggestedFilename;

	iSuggestedFilename = NULL;

	delete iRelativePath;

	iRelativePath = NULL;

	iContentTransferEncoding = EEncodingTypeUnknown;

	}

/**

Returns the size of all the mime header data.

Returns the approximate size in bytes of all the mime header data

stored by this object. The returned value is a sum of the lengths

of all the string data and the size of an integer for each integer

type data.

@return The size in bytes of all the mime header data.

*/	

EXPORT_C TInt CMsvMimeHeaders::Size() const

	{

	TInt size = 0;

	size += ContentDescription().Length();

	size += ContentBase().Length();

	size += ContentLocation().Length();

	size += ContentId().Length();

	size += ContentType().Length();

	size += ContentSubType().Length();

	size += ContentDisposition().Length();

	TInt ii;

	for( ii=0; ii<ContentTypeParams().Count(); ++ii )

		size += ContentTypeParams()[ii].Length();

	for( ii=0; ii<ContentDispositionParams().Count(); ++ii )

		size += ContentDispositionParams()[ii].Length();

	for( ii=0; ii<XTypeParams().Count(); ++ii )

		size += XTypeParams()[ii].Length();

	size += sizeof(TUint); // for mime charset

	size += SuggestedFilename().Length();

	size += RelativePath().Length();

	size += sizeof(TMsvEncodingType);

	return size;

	}

/**

Stores the mime header data.

Associated and stores all the mime header data stored in this object 

as an attribute of an attachment object. The RestoreL method should be

used to restore the data from the attachment.

@param aAttachment The attachment object to store the mime header data to.

*/

EXPORT_C void CMsvMimeHeaders::StoreL(CMsvAttachment& aAttachment) const

	{

	CBufFlat* streamBuffer = CBufFlat::NewL(KStreamBufferGranularity);

	CleanupStack::PushL(streamBuffer);

	RBufWriteStream writeStream(*streamBuffer);

	writeStream.PushL();

	writeStream << ContentDescription();

	writeStream << ContentBase();

	writeStream << ContentLocation();

	writeStream << ContentId();

	writeStream << ContentType();

	writeStream << ContentSubType();

	writeStream << ContentDisposition();

	TInt count = ContentTypeParams().Count();

	writeStream.WriteInt32L(count);

	TInt ii;

	for( ii=0; ii<count; ++ii )

		writeStream << ContentTypeParams()[ii];

	count = ContentDispositionParams().Count();

	writeStream.WriteInt32L(count);

	for( ii=0; ii<count; ++ii )

		writeStream << ContentDispositionParams()[ii];

	count = XTypeParams().Count();

	writeStream.WriteInt32L(count);

	for( ii=0; ii<count; ++ii )

		writeStream << XTypeParams()[ii];

	writeStream.WriteUint32L(MimeCharset());

	writeStream << SuggestedFilename();

	writeStream << RelativePath();

	writeStream.WriteUint32L(iContentTransferEncoding);

	writeStream.CommitL();

	CleanupStack::PopAndDestroy(&writeStream);

	// set the headers as an attribute in the attachment

	aAttachment.SetDesC8AttributeL(KUidMimeHeaders, streamBuffer->Ptr(0));

	CleanupStack::PopAndDestroy(streamBuffer);

	}

/**

Restores the mime header data.

Restores all the mime header data from an existing attachment object. This

restores mime headers that was stored using the StoreL method. If the

attachment does not contain any mime headers, this object is reset.

@param aAttachment The attachment object to restore the mime header data from.

*/	

EXPORT_C void CMsvMimeHeaders::RestoreL(CMsvAttachment& aAttachment)

	{

	Reset();

	TPtrC8 bufferPtr;

	TInt err = aAttachment.GetDesC8Attribute(KUidMimeHeaders, bufferPtr);

	if( err == KErrNone )

		{

		RDesReadStream readStream(bufferPtr);

		readStream.PushL();

		iContentDescription = HBufC8::NewL(readStream, KMaxTInt);

		iContentBase = HBufC8::NewL(readStream, KMaxTInt);

		iContentLocation = HBufC16::NewL(readStream, KMaxTInt);

		iContentId = HBufC8::NewL(readStream, KMaxTInt);

		iContentType = HBufC8::NewL(readStream, KMaxTInt);

		iContentSubType = HBufC8::NewL(readStream, KMaxTInt);

		iContentDisposition = HBufC8::NewL(readStream, KMaxTInt);

		TInt count = readStream.ReadInt32L();

		TInt ii;

		HBufC8* desBuffer;

		for( ii=0; ii<count; ++ii )

			{

			desBuffer = HBufC8::NewLC(readStream, KMaxTInt);

			ContentTypeParams().AppendL(*desBuffer);

			CleanupStack::PopAndDestroy(desBuffer);

			}

		count = readStream.ReadInt32L();	

		for( ii=0; ii<count; ++ii )

			{

			desBuffer = HBufC8::NewLC(readStream, KMaxTInt);

			ContentDispositionParams().AppendL(*desBuffer);

			CleanupStack::PopAndDestroy(desBuffer);

			}

		count = readStream.ReadInt32L();	

		for( ii=0; ii<count; ++ii )

			{

			desBuffer = HBufC8::NewLC(readStream, KMaxTInt);

			XTypeParams().AppendL(*desBuffer);

			CleanupStack::PopAndDestroy(desBuffer);

			}

		iMimeCharset = readStream.ReadUint32L();

		iSuggestedFilename = HBufC16::NewL(readStream, KMaxTInt);

		iRelativePath = HBufC8::NewL(readStream, KMaxTInt);

		iContentTransferEncoding = static_cast<TMsvEncodingType>(readStream.ReadUint32L());	

		readStream.Close();

		CleanupStack::PopAndDestroy(&readStream);

		}

	// else do nothing if not found

	}

/**

Sets the Content-Description mime header.

Over-writes any existing data.

@param aContentDescription Descriptor conatining the Content-Description mime header.

*/	

EXPORT_C void CMsvMimeHeaders::SetContentDescriptionL(const TDesC8& aContentDescription)

	{

	delete iContentDescription;

	iContentDescription = aContentDescription.AllocL();

	}

/**

Gets the Content-Description mime header.

Returns a zero length descriptor if mime header not set.

@return Descriptor containing the Content-Description mime header. Zero length

		if the mime header not set.

*/

EXPORT_C const TDesC8& CMsvMimeHeaders::ContentDescription() const

	{

	if( iContentDescription==NULL )

		return KNullDesC8();

	return *iContentDescription;

	}

/**

Sets the Content-Base mime header.

Over-writes any existing data.

@param aContentBase Descriptor conatining the Content-Base mime header.

*/	

EXPORT_C void CMsvMimeHeaders::SetContentBaseL(const TDesC8& aContentBase)

	{

	delete iContentBase;

	iContentBase = aContentBase.AllocL();

	}

/**

Gets the Content-Base mime header.

Returns a zero length descriptor if mime header not set.

@return Descriptor containing the Content-Base mime header. Zero length

		if the mime header not set.

*/	

EXPORT_C const TDesC8& CMsvMimeHeaders::ContentBase() const

	{

	if( iContentBase==NULL)

		return KNullDesC8();

	return *iContentBase;

	}

/**

Sets the Content-Location mime header.

Over-writes any existing data.

@param aContentLocation Descriptor conatining the Content-Base mime header.

*/

EXPORT_C void CMsvMimeHeaders::SetContentLocationL(const TDesC16& aContentLocation)

	{

	delete iContentLocation;

	iContentLocation = aContentLocation.AllocL();

	}

/**

Gets the Content-Location mime header.

Returns a zero length descriptor if mime header not set.

@return Descriptor containing the Content-Location mime header. Zero length

		if the mime header not set.

*/	

EXPORT_C const TDesC16& CMsvMimeHeaders::ContentLocation() const

	{

	if( iContentLocation==NULL )

		return KNullDesC();

	return *iContentLocation;

	}

/**

Sets the Content-Id mime header.

Over-writes any existing data.

@param aContentId Descriptor conatining the Content-Id mime header.

*/

EXPORT_C void CMsvMimeHeaders::SetContentIdL(const TDesC8& aContentId)

	{

	delete iContentId;

	iContentId = aContentId.AllocL();

	}

/**

Gets the Content-Id mime header.

Returns a zero length descriptor if mime header not set.

@return Descriptor containing the Content-Id mime header. Zero length

		if the mime header not set.

*/		

EXPORT_C const TDesC8& CMsvMimeHeaders::ContentId() const

	{

	if( iContentId==NULL )

		return KNullDesC8();

	return *iContentId;

	}

/**

Sets the Content-Type mime header.

Over-writes any existing data. This mime header contains the beginning part of the

mime-type, eg. the 'text' part of 'text/plain'.

@param aContentType Descriptor conatining the Content-Type mime header.

*/

EXPORT_C void CMsvMimeHeaders::SetContentTypeL(const TDesC8& aContentType)

	{

	delete iContentType;

	iContentType = aContentType.AllocL();

	}

/**

Gets the Content-Type mime header.

Returns a zero length descriptor if mime header not set. This mime header contains

the beginning part of the mime-type, eg. the 'text' part of 'text/plain'.

@return Descriptor containing the Content-Type mime header. Zero length

		if the mime header not set.

*/	

EXPORT_C const TDesC8& CMsvMimeHeaders::ContentType() const

	{

	if( iContentType==NULL )

		return KNullDesC8();

	return *iContentType;

	}

/**

Sets the Content-SubType mime header.

Over-writes any existing data. This mime header contains the end part of the

mime-type, eg. the 'plain' part of 'text/plain'.

@param aContentSubType Descriptor conatining the Content-SubType mime header.

*/	

EXPORT_C void CMsvMimeHeaders::SetContentSubTypeL(const TDesC8& aContentSubType)

	{

	delete iContentSubType;

	iContentSubType = aContentSubType.AllocL();

	}

/**

Gets the Content-SubType mime header.

Returns a zero length descriptor if mime header not set. This mime header contains

the end part of the mime-type, eg. the 'plain' part of 'text/plain'.

@return Descriptor containing the Content-SubType mime header. Zero length

		if the mime header not set.

*/	

EXPORT_C const TDesC8& CMsvMimeHeaders::ContentSubType() const

	{

	if( iContentSubType==NULL )

		return KNullDesC8();

	return *iContentSubType;

	}

/**

Sets the Content-Disposition mime header.

Over-writes any existing data.

@param aContentId Descriptor conatining the Content-Disposition mime header.

*/

EXPORT_C void CMsvMimeHeaders::SetContentDispositionL(const TDesC8& aContentDisposition)

	{

	delete iContentDisposition;

	iContentDisposition = aContentDisposition.AllocL();

	}

/**

Gets the Content-Disposition mime header.

Returns a zero length descriptor if mime header not set.

@return Descriptor containing the Content-Disposition mime header. Zero length

		if the mime header not set.

*/	

EXPORT_C const TDesC8& CMsvMimeHeaders::ContentDisposition() const

	{

	if( iContentDisposition==NULL )

		return KNullDesC8();

	return *iContentDisposition;

	}

/**

Returns a modifiable descriptor array containing the Content-Type parameters.

@return A modifiable descriptor array.

*/

EXPORT_C CDesC8Array& CMsvMimeHeaders::ContentTypeParams()

	{

	return *iContentTypeParams;

	}

/**

Returns a modifiable descriptor array containing the Content-Disposition parameters.

@return A modifiable descriptor array.

*/		

EXPORT_C CDesC8Array& CMsvMimeHeaders::ContentDispositionParams()

	{

	return *iContentDispositionParams;

	}

/**

Returns a modifiable descriptor array containing the X-Type parameters.

@return A modifiable descriptor array.

*/			

EXPORT_C const CDesC8Array& CMsvMimeHeaders::XTypeParams() const

	{

	return *iXTypeParams;

	}

/**

Returns a non-modifiable descriptor array containing the Content-Type parameters.

@return A non-modifiable descriptor array.

*/

EXPORT_C const CDesC8Array& CMsvMimeHeaders::ContentTypeParams() const

	{

	return *iContentTypeParams;

	}