// 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 "TzHelpers.h"

#include "TzTables.h"

#include <fstream>

#include <iostream>

#include <algorithm>

using namespace std;

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

// CTzCpHelpers::GetMonth

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

int CTzCpHelpers::GetMonth(string aMonthString)

	{

	int month = -1;

	if		(aMonthString == "Jan")	{month = EJan;}

	else if (aMonthString == "Feb")	{month = EFeb;}

	else if (aMonthString == "Mar")	{month = EMar;}

	else if (aMonthString == "Apr")	{month = EApr;}

	else if (aMonthString == "May")	{month = EMay;}

	else if (aMonthString == "Jun")	{month = EJun;}

	else if (aMonthString == "Jul")	{month = EJul;}

	else if (aMonthString == "Aug")	{month = EAug;}

	else if (aMonthString == "Sep")	{month = ESep;}

	else if (aMonthString == "Oct")	{month = EOct;}

	else if (aMonthString == "Nov")	{month = ENov;}

	else if (aMonthString == "Dec")	{month = EDec;}

	return month;

	}

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

// CTzCpHelpers::GetDay

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

int CTzCpHelpers::GetDay(string aDayString)

	{

	// aDayString can come in the form "Sun>=7" or as "7"

	// Return 0 if no day of week is contained in the string

	int day = 0;

	// day could be expressed as "Mon" or as "Monday"

	if		(strstr(aDayString.c_str(),"Mon") != NULL) { day = EMon;}

	else if (strstr(aDayString.c_str(),"Tue") != NULL) { day = ETue;}

	else if (strstr(aDayString.c_str(),"Wed") != NULL) { day = EWed;}

	else if (strstr(aDayString.c_str(),"Thu") != NULL) { day = EThu;}

	else if (strstr(aDayString.c_str(),"Fri") != NULL) { day = EFri;}

	else if (strstr(aDayString.c_str(),"Sat") != NULL) { day = ESat;}

	else if (strstr(aDayString.c_str(),"Sun") != NULL) { day = ESun;}

	return day;

	}

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

// CTzHelpers::GetTimeOfDayInMinutes

// Expects a string containing a time in the format 'HH:MM' or just the number

// of hours (eg- 'H') and returns the time in minutes. The ':' may not be 

// specified in some rule files if there are no minutes.

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

TInt16 CTzCpHelpers::GetTimeOfDayInMinutes(std::string aTimeString)

	{

	bool negativeTime = false;

	string tmpString;

	//Check for negative number

	if (aTimeString[0] == '-')

		{

		negativeTime = true;

		tmpString = (aTimeString.substr(1));

		}

	else

		{

		tmpString = aTimeString;

		}

	int hours	= atoi(tmpString.c_str());

	// Get the number of minutes. If the colon isn't specified then there are 

	// 0 minutes.

	int minutes	=0;

	int breakAt	= tmpString.find_first_of(':');

	if (breakAt != string::npos)

		{

		minutes = atoi(tmpString.substr(breakAt+1).c_str());

		}

	int timeInMinutes = (hours*60) + minutes;

	if (negativeTime)

		{

		timeInMinutes *= -1;

		}

	return timeInMinutes;

	}

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

// CTzCpHelpers::GetTimeReference

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

int CTzCpHelpers::GetTimeReference(std::string aTimeString)

	{

	int timeRefValue = ETzWallTimeReference;

	char timeRef = aTimeString.c_str()[aTimeString.length()-1];

	switch (timeRef)

		{

		case 'u':

			timeRefValue = ETzUtcTimeReference;

		break;

		case 's':

			timeRefValue = ETzStdTimeReference;

		break;

		default:

			timeRefValue = ETzWallTimeReference;

		break;

		}

	return timeRefValue;

	}

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

// CTzCpHelpers::GetFileSizeInBytes

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

int CTzCpHelpers::GetFileSizeInBytes(std::string aFileName)

	{

	ifstream aFile;

	aFile.open(aFileName.c_str());

	aFile.seekg(0,ifstream::end);

	int fileSize = aFile.tellg();

	aFile.seekg(0);

	aFile.close();

	return fileSize;

	}

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

// CTzCpHelpers::PrintStep

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

void CTzCpHelpers::PrintStep(std::string aStep)

	{

	cout.width(50);

	cout << aStep;

	}

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

// CTzCpHelpers::PrintStepResult

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

void CTzCpHelpers::PrintStepResult(int aResult)

	{

	switch (aResult)

		{

		case TzGlobals::ETzNone:

			cerr << "OK" << endl;

			break;

		case TzGlobals::ETzAbortNoInputFiles:

			cerr << "Error - Input files not found." << endl;

			break;

		case TzGlobals::ETzAbortCreateDatabaseFile:

			cerr << "Error - Could not create database file." << endl;

			break;

		case TzGlobals::ETzAbortScannerSyntaxError:

			cerr << "Error - Syntax errors in source files." << endl;

			break;

		case TzGlobals::ETzAbortScannerFileIOError:

			cerr << "Error - Could not open source file for reading." << endl;

			break;

		default:

			cerr << "Error - Unknown" << endl;

			break;

		}

	}

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

// End of file

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