/*

* 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 the License "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: 

* Directory class exports the functions required to construct either 

* single entry (constructor) or to construct directory structure.

* Also initializes the date and time attributes for all newly created

* entries.

* @internalComponent

* @released

*

*/

#include "errorhandler.h"

#include "directory.h"

#include "constants.h"

/**

Constructor:

1. To Initialize the date and time variable

2. Also to initialize other variable's

@internalComponent

@released

@param aEntryName - the entry name

*/

FILESYSTEM_API CDirectory::CDirectory(char* aEntryName):

						iEntryName(aEntryName),

						iAttribute(0),

						iNtReserved(KNTReserverdByte),

						iCreationTimeMsecs(KCreateTimeInMsecs),

						iClusterNumberHi(0),

						iClusterNumberLow(0),

						iFileSize (0) 

{

	InitializeTime();

}

/**

Destructor: 

1. To delete all the entries available in the form of directory structure

2. Also to delete the current entry

@internalComponent

@released 

*/

FILESYSTEM_API CDirectory::~CDirectory()

{

	while(iDirectoryList.size() > 0)

	{

		delete iDirectoryList.front();

		iDirectoryList.pop_front();

	}

}

/**

Function to initialize the time attributes of an entry

@internalComponent

@released 

*/

void CDirectory::InitializeTime()

{

	time_t rawtime;

	time ( &rawtime );

	iDateAndTime = localtime ( &rawtime );

	iDate.iCurrentDate.Day = iDateAndTime->tm_mday;

	iDate.iCurrentDate.Month = iDateAndTime->tm_mon+1; //As per FAT spec

	iDate.iCurrentDate.Year = iDateAndTime->tm_year - 80;//As per FAT spec

	iTime.iCurrentTime.Hour = iDateAndTime->tm_hour;

	iTime.iCurrentTime.Minute = iDateAndTime->tm_min;

	iTime.iCurrentTime.Seconds = iDateAndTime->tm_sec / 2;//As per FAT spec

	iCreationDate = iDate.iImageDate;

	iCreatedTime = iTime.iImageTime;

	iLastAccessDate = iDate.iImageDate;

	iLastWriteDate = iDate.iImageDate;

	iLastWriteTime = iTime.iImageTime;

}

/**

Function to initialize the entry name

@internalComponent

@released

@param aEntryName - entry name need to be initialized

*/

FILESYSTEM_API void CDirectory::SetEntryName(String aEntryName)

{

	iEntryName = aEntryName;

}

/**

Function to return the entry name

@internalComponent

@released

@return iEntryName - the entry name

*/

FILESYSTEM_API String CDirectory::GetEntryName() const

{

	return iEntryName;

}

/**

Function to initialize the file path

@internalComponent

@released

@param aFilePath - where the current entry contents actually stored

*/

FILESYSTEM_API void CDirectory::SetFilePath(char* aFilePath)

{

	iFilePath.assign(aFilePath);

}

/**

Function to return the file path

@internalComponent

@released

@return iFilePath - the file path

*/

FILESYSTEM_API String CDirectory::GetFilePath() const

{

	return iFilePath;

}

/**

Function to set the entry attribute

@internalComponent

@released

@param aAttribute - entry attribute

*/

FILESYSTEM_API void CDirectory::SetEntryAttribute(char aAttribute)

{

	iAttribute = aAttribute;

}

/**

Function to return the entry attribute

@internalComponent

@released

@return iAttribute - the entry attribute

*/

FILESYSTEM_API char CDirectory::GetEntryAttribute() const

{

	return iAttribute;

}

/**

Function to initialize the file size, this function is called only if the entry is of

type File.

@internalComponent

@released

@param aFileSize - the current entry file size

*/

FILESYSTEM_API void CDirectory::SetFileSize(unsigned int aFileSize)

{

	iFileSize = aFileSize;

}

/**

Function to return the entry file size, this function is called only if the entry is of

type File.

@internalComponent

@released

@return iFileSize - the file size

*/

FILESYSTEM_API unsigned int CDirectory::GetFileSize() const

{

	return iFileSize;

}

/**

Function to check whether this is a file 

@internalComponent

@released 

@return iFileFlag - the File Flag

*/

bool CDirectory::IsFile() const 

{

	return (iAttribute & EAttrDirectory) == 0  ;

}

/**

Function to return the entries Nt Reserved byte

@internalComponent

@released 

@return iNtReserverd - the Nt Reserved byte

*/

char CDirectory::GetNtReservedByte() const

{

	return iNtReserved;

}

/**

Function to return the entry Creation time in milli-seconds.

@internalComponent

@released

@return iCreatedTimeMsecs - created time in Milli-seconds

*/

char CDirectory::GetCreationTimeMsecs() const

{

	return iCreationTimeMsecs;

}

/**

Function to return the entry Created time

@internalComponent

@released

@retun iCreatedTime - created time

*/

unsigned short int CDirectory::GetCreatedTime() const

{

	return iCreatedTime;

}

/**

Function to return the entry Created date

@internalComponent

@released

@return iCreationDate - created date

*/

unsigned short int CDirectory::GetCreationDate() const

{

	return iCreationDate;

}

/**

Function to return the entry last accessed date

@internalComponent

@released

@return iLastAccessDate - last access date

*/

unsigned short int CDirectory::GetLastAccessDate() const

{

	return iLastAccessDate;

}

/**

Function to set high word cluster number

@internalComponent

@released

@param aHiClusterNumber - high word of current cluster number

*/

void CDirectory::SetClusterNumberHi(unsigned short int aHiClusterNumber)

{

	iClusterNumberHi = aHiClusterNumber;

}

/**

Function to return high word cluster number

@internalComponent

@released

@return iClusterNumberHi - high word of cluster number

*/

unsigned short int CDirectory::GetClusterNumberHi() const

{

	return iClusterNumberHi;

}

/**

Function to set low word cluster number

@internalComponent

@released 

@param aLowClusterNumber - low word of current cluster number

*/

void CDirectory::SetClusterNumberLow(unsigned short int aLowClusterNumber)

{

	iClusterNumberLow = aLowClusterNumber;

}

/**

Function to return low word cluster number

@internalComponent

@released 

@return iClusterNumberLow - low word of cluster number

*/

unsigned short int CDirectory::GetClusterNumberLow() const

{

	return iClusterNumberLow;

}

/**

Function to return last write date

@internalComponent

@released 

@return iLastWriteDate - last write date

*/

unsigned short int CDirectory::GetLastWriteDate() const

{

	return iLastWriteDate;

}

/**

Function to return last write time

@internalComponent

@released

@return iLastWriteTime - last write time

*/

unsigned short int CDirectory::GetLastWriteTime() const

{

	return iLastWriteTime;

}

/**

Function to return sub directory/file list

@internalComponent

@released

@return iDirectoryList -  entry list

*/

FILESYSTEM_API EntryList* CDirectory::GetEntryList()

{

	return &iDirectoryList;

}

/**

Function to insert a entry into Directory list. Also this function can be used 

extensively to construct tree form of directory structure.

@internalComponent

@released

@param aEntry - the entry to be inserted

*/

FILESYSTEM_API void CDirectory::InsertIntoEntryList(CDirectory* aEntry)

{

	iDirectoryList.push_back(aEntry);

}