/*

* Copyright (c) 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 "CdlCompilerToolkit/CdlTkProcess.h"

#include <iomanip>

using namespace std;

namespace CdlCompilerToolkit {

//

// CleanupResetPtr

//

class CleanupResetPtr

	{

public:

	CleanupResetPtr(const CCdlTkInterface*& aPtr) : iPtr(aPtr), iValue(aPtr) {}

	~CleanupResetPtr() { iPtr = iValue; }

private:

	const CCdlTkInterface*& iPtr;

	const CCdlTkInterface* iValue;

	};

//

// CCdlTkWriteCdlFile

//

CCdlTkWriteCdlFile::CCdlTkWriteCdlFile(const CCdlTkInterface& aCdl)

: iCdl(&aCdl)

	{

	}

CCdlTkWriteCdlFile::~CCdlTkWriteCdlFile()

	{

	}

void CCdlTkWriteCdlFile::Process()

	{

	// this function modifies iCdl, but CleanupResetPtr will restore it at the end (it's also exception safe)

	CleanupResetPtr resetPtr(iCdl);

	CCdlTkFileCleanup tempFile;

	CdlTkUtil::OpenTempOutput(iOut, tempFile);

	string targetName = iCdl->FileName();

	WriteHeaderComment();

	int count = 0;

	while (iCdl)

		{

		if (count++)

			WriteSeparator("Header");

		WriteHeader();

		if (!iCdl->Cpp().empty())

			{

			WriteSeparator("C++");

			WriteCpp();

			}

		if (!iCdl->DataTypeTranslations().empty())

			{

			WriteSeparator("Translation");

			WriteTranslation();

			}

		if (!iCdl->ApiList().empty())

			{

			WriteSeparator("API");

			WriteApi();

			}

		iCdl = iCdl->Extension();

		}

	iOut.close();

	CdlTkUtil::ExportFile(tempFile, targetName);

	// resetPtr dtor will restore iCdl to original value

	}

void CCdlTkWriteCdlFile::WriteHeaderComment()

	{

	iOut << "// " << iCdl->FileName() << endl;

	iOut << "// This file was generated by:" << endl;

	iOut << "// " << CdlTkUtil::CommandLine() << endl;

	iOut << iCdl->AdditionalComment() << endl;

	}

void CCdlTkWriteCdlFile::WriteHeader()

	{

	const CCdlTkInterfaceHeader& header = iCdl->Header();

	if (!header.Name().empty())

		iOut << "Name: " << header.Name() << endl;

	iOut << "Version: " << header.Version().Major() << "." << header.Version().Minor() << endl;

	if (header.Uid())

		iOut << "UID: 0x" << setbase(16) << setw(8) << setfill('0') << header.Uid() << endl;

	const CCdlTkInterfaceHeader::CFlags& flags = header.Flags();

	for (int ii=0; ii<flags.Count(); ii++)

		{

		if (flags.IsSet(ii))

			iOut << "Flag: " << flags.FlagName(ii) << endl;

		}

	}

void CCdlTkWriteCdlFile::WriteSeparator(const string& aSection)

	{

	iOut << endl;

	iOut << "%% " << aSection << endl;

	iOut << endl;

	}

void CCdlTkWriteCdlFile::WriteCpp()

	{

	const CCdlTkCpp& cpp = iCdl->Cpp();

	if(cpp.size())

		{

		CCdlTkCpp::const_iterator pStart = cpp.begin();

		CCdlTkCpp::const_iterator pFinish = cpp.end() ;

		// ignore the first line if it's empty

		if(pStart->empty())

			++pStart;

		// if the last line isn't empty, move the iterator back to the end

		if(!(--pFinish)->empty())

			++pFinish;

		for (CCdlTkCpp::const_iterator pLine = pStart; pLine != pFinish; ++pLine)

			{

			iOut << *pLine << endl;

			}

		}

	}

void CCdlTkWriteCdlFile::WriteTranslation()

	{

	const CCdlTkDataTypeTranslations& translations = iCdl->DataTypeTranslations();

	for (CCdlTkDataTypeTranslations::const_iterator pTrans = translations.begin(); pTrans != translations.end(); ++pTrans)

		{

		if (pTrans->Source() == CCdlTkDataTypeTranslation::EFromCdl)

			{

			iOut << pTrans->Type() << " # " << pTrans->Definition() << " # " << pTrans->PointerReference() << endl;

			}

		}

	}

void CCdlTkWriteCdlFile::WriteApi()

	{

	const CCdlTkApiList& apiList = iCdl->ApiList();

	for (CCdlTkApiList::const_iterator pApi = apiList.begin(); pApi != apiList.end(); ++pApi)

		{

		CCdlTkApi& api = **pApi;

		iOut << api.Comment();

		iOut << api.ReturnType() << " " << api.Name() << api.ParamsTypeAndNameList() << ";" << endl;

		iOut << endl;

		}

	}

}	// end of namespace CdlCompilerToolkit