// 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:

// DST TZ Database Compiler 

// 

//

#include "TzGlobals.h"

#include "TzCompiler.h"

#include "TzDocument.h"

#include "TzHelpers.h"

#include "TzScanner.h"

#include <iostream>

#include <io.h>

#include <direct.h>

#include <algorithm>

using namespace std;

//============================================================================

// CTzCompiler::CTZCompiler

//============================================================================

CTzCompiler::CTzCompiler(CTZDocument& aTzDocument)

:	iTzDocument(aTzDocument)

	{

	}

//============================================================================

// CTzCompiler::Compile

// Directs the compilation process through the document

//============================================================================

void CTzCompiler::CompileL()

	{

	string outputString;

	//Use all files in the data directory

	int numFiles = 0;		//Number of files scanned

	int scanSuccess = 0;	//Succesful scans

	struct _finddata_t file;

	long fileHandle;

	string fileName;

	//Find all files in directory

	string inputFilePath = TzGlobals::iInputFilePath + "\\*";

	fileHandle = _findfirst(inputFilePath.c_str(),&file);

	std::vector<std::string>::iterator iter;

	while (_findnext(fileHandle,&file) == 0)

		{

		numFiles++;

		fileName.erase();

		fileName  = file.name;

		if (!(strcmp(file.name, ".") == 0 ||  strcmp(file.name, "..") == 0))

			{

			TzGlobals::iAvailableFiles.push_back(file.name);

			//Check that we don't want to exclude this file

			iter = find(TzGlobals::iExcludedFiles.begin(),TzGlobals::iExcludedFiles.end(),file.name);

			if (iter != TzGlobals::iExcludedFiles.end())

				{

				//Don't process this file

				cout << "Ignoring " << file.name << endl;

				}

			else

				{

				outputString.erase();

				outputString = "Scanning ";

				outputString.append(file.name);

				CTzCpHelpers::PrintStep(outputString);

				string tmpString = TzGlobals::iInputFilePath;

				tmpString.append(file.name);

				int result = iTzDocument.Scan(tmpString.c_str());

				if (result == TzGlobals::ETzNone)

					{

					scanSuccess++;

					}

				CTzCpHelpers::PrintStepResult(result);

				}

			}

		}

	//Check at least one file was scanned.  If not we have a fatal error

	if (scanSuccess < 1)

		{

		throw TzGlobals::ETzAbortNoInputFiles;

		}

	if (iTzDocument.iErrors.size() > 0)

		{

		cerr << "Scan failed" << endl;

		for (int x = 0; x < iTzDocument.iErrors.size();++x)

			{

			cerr << iTzDocument.iErrors[x] << endl;

			}

		throw TzGlobals::ETzAbortScannerSyntaxError;

		}

	//Assemble the parsed data into Symbian native database entities

	iTzDocument.AssembleL();

    CTzCpHelpers::PrintStepResult(TzGlobals::ETzNone);

	//Link the assembled objects 

	iTzDocument.Link();

	CTzCpHelpers::PrintStepResult(TzGlobals::ETzNone);

	//Assign each zone a unique id

	iTzDocument.AssignZoneIds();

	//Remove unwanted entities from the database

	iTzDocument.Exclude();

	//Persist the database model to a binary Symbian file for inclusion in ROM

	iTzDocument.ExternaliseL();

	CTzCpHelpers::PrintStepResult(TzGlobals::ETzNone);

	//Show warnings for missing zones

	iTzDocument.VerifyZoneIds();

	//Move the database file to the required output directory

	iTzDocument.CopyDatabaseFileToOutputDirectory();

	cout << "Output files are:\t" << TzGlobals::iOutputFilePath.c_str() << endl;

	}

//============================================================================

// End of file

//============================================================================