// 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:

//

/**

 @file

 @internalComponent

*/

#include "ControllerInitialisationCmndParser.h"

#include <bluetooth/hci/hciopcodes.h>

#include <bluetooth/hci/vendordebugcommand.h>

#include <bluetooth/logger.h>

#include <es_sock.h>

#ifdef __FLOG_ACTIVE

_LIT8(KLogComponent, LOG_COMPONENT_INITIALISOR_TI);

#endif

/*static*/ CCommandParser* CCommandParser::NewL(const TDesC& aCommandFile)

	{

	LOG_STATIC_FUNC

	CCommandParser* self = new(ELeave) CCommandParser;

	CleanupStack::PushL(self);

	self->ConstructL(aCommandFile);

	CleanupStack::Pop(self);

	return self;

	}

void CCommandParser::ConstructL(const TDesC& aCommandFile)

	{

	LOG_FUNC

	LEAVEIFERRORL(iFs.Connect());

	LEAVEIFERRORL(iFile.Open(iFs, aCommandFile,

	                              EFileRead || EFileShareReadersOnly || EFileStream)); 

	TInt seekOffset = KScriptHeaderLength;

	LEAVEIFERRORL(iFile.Seek(ESeekCurrent, seekOffset));

	}

CCommandParser::~CCommandParser()

	{

	LOG_FUNC

	iFile.Close();

	iFs.Close();

	}

// Private Constructor

CCommandParser::CCommandParser()

	{

	LOG_FUNC

	}

TInt CCommandParser::GetNextVendorCommand(CVendorDebugCommand& aVendorCommand)

	{

	LOG_FUNC

	TInt rerr = KErrNone;

	// First find a vendor command in the script.

	TBuf8<KScriptElementHeaderLength> scriptHeaderBuffer; 

	while(rerr == KErrNone)

		{

		rerr = iFile.Read(scriptHeaderBuffer, KScriptElementHeaderLength);

		if(rerr == KErrNone)

			{

			if(scriptHeaderBuffer.Length() == KScriptElementHeaderLength)

				{

				TUint16 action = LittleEndian::Get16(scriptHeaderBuffer.Ptr());

				// A TInt is used for the length so that is can be used in the

				// call to RFile::Seek.

				TInt length = LittleEndian::Get16(scriptHeaderBuffer.Ptr() + KScriptLengthOffset);

				if(action == KSendCommand)

					{

					break;

					}

				// Move to the next element in the file.

				rerr = iFile.Seek(ESeekCurrent, length);

				}

			else

				{

				// Failed to read enough header bytes, must be at end of file.

				rerr = KErrEof;

				}

			}

		}

	if(rerr == KErrNone)

		{

		TBuf8<KScriptHCIHeaderLength> hciHeaderBuffer;

		// Read the Opcode.

		rerr = iFile.Read(hciHeaderBuffer, KScriptHCIHeaderLength);

		if(rerr == KErrNone)

			{

			if(hciHeaderBuffer.Length() == KScriptHCIHeaderLength)

				{

				THCIOpcode opcode = LittleEndian::Get16(hciHeaderBuffer.Ptr() + KScriptHCIHeaderOpcodeOffset);

				if((opcode & KOGFMask) == KVendorDebugOGF)

					{

					// Re-initialise the vendor command with the new Op-code.

					aVendorCommand.Reset(opcode);

					rerr = iFile.Read(aVendorCommand.Command(), hciHeaderBuffer[KScriptHCICmdHdrLengthOffset]);

					// Check that the correct number of bytes were read into the

					// the buffer.

					if((rerr == KErrNone) && (aVendorCommand.Command().Length() != hciHeaderBuffer[KScriptHCICmdHdrLengthOffset]))

						{

						rerr = KErrEof;

						}

					}

				else

					{

					rerr = KErrCorrupt;

					}

				}

			else

				{

				rerr = KErrEof;

				}

			}

		}

	return rerr;

	}