1 /*

     2 * Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 * Long name class for FileSystem component

    16 * @internalComponent

    17 * @released

    18 *

    19 */

    20 

    21 

    22 #ifndef LONGNAME_H

    23 #define LONGNAME_H

    24 

    25 #include "cluster.h"

    26 #include "longentry.h"

    27 

    28 #define ToString(dataInteger) reinterpret_cast<char*>(&dataInteger),sizeof(dataInteger)

    29 

    30 typedef std::stack<CLongEntry*> LongEntryStack;

    31 typedef std::list<String> StringList;

    32 

    33 //Long entry sub name lengths

    34 enum TLongSubNameLength

    35 {

    36 	ESubName1Length = 5,

    37 	ESubName2Length = 6,

    38 	ESubName3Length = 2

    39 };

    40 

    41 //Name length constants

    42 enum TNameLength

    43 {

    44 	EExtensionLength = 0x03,

    45 	EShortNameInitialLength = 0x06,

    46 	ETildeNumberPosition = 0x07,

    47 	ENameLength = 0x8,

    48 	ENameLengthWithExtension = 0x0B

    49 };

    50 

    51 //Holds all the short directory entry.

    52 static StringList GShortEntryList;

    53 

    54 /**

    55 This class is used to prepare Long Name Directory entry portion of Directory Entry region

    56 

    57 @internalComponent

    58 @released

    59 */

    60 class ClongName

    61 {

    62 private:

    63 	StringList iSubNamesList;		//Holds the splitted file names 

    64 	LongEntryStack iLongEntryStack;	//Holds all the long name directory entry node's

    65 	unsigned int iClusterNumber;	//Current cluster number, where the current long entry needs to be written

    66 	CCluster* iClusterPtr;

    67 	String iLongName;

    68 	char iLongEntryAttribute;

    69 	String iShortName;

    70 	unsigned int iLongNameLength;

    71 	unsigned int iTildeNumberPosition;

    72 	/**If the received sub name entry size is equal to its expected length, then

    73 	two NULL character should be preceded at the start of next sub name 

    74 	*/

    75 	bool iSubNameProperEnd; //Is name ends without NULL character termination?

    76 	bool iFirstNullName;// Is first name ending with NULL character?

    77 

    78 private:

    79 	String GetShortEntryName();

    80 	unsigned char CalculateCheckSum();

    81 	void WriteLongEntry(CLongEntry* aLongEntry,String& longEntryString);

    82 	void WriteSubName(String& aSubName,unsigned short aSubNameLength,

    83 					  String& alongEntryString);

    84 	void FormatLongFileName(String& aLongName);

    85 	void CheckAndUpdateShortName(String& aShortName);

    86 	void PushAndErase(String& aFirstName,String& aSecondName,String& aThirdName);

    87 	void GetSubName(String& aLongName,

    88 				   int& aStartIndex,

    89 				   int& aStringLength,

    90 				   int aSubNameLength,

    91 				   String& aSubName);

    92 	void PopAndErase();

    93 	void CalculateExtentionLength();

    94 

    95 public:

    96 	ClongName(CCluster* aClusterPtr, CDirectory* aEntry);

    97 	~ClongName();

    98 	CDirectory* CreateShortEntry(CDirectory* aEntry);

    99 	String CreateLongEntries();

   100 	static void DestroyShortEntryList();

   101 };

   102 

   103 #endif //LONGNAME_H