--- a/imgtools/imglib/filesystem/source/cluster.cpp Wed Jun 16 16:51:40 2010 +0300
+++ b/imgtools/imglib/filesystem/source/cluster.cpp Wed Jun 23 16:56:47 2010 +0800
@@ -1,191 +1,191 @@
-/*
-* 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:
-* Cluster class used to allocate cluster numbers for directory entries
-* and while writing file contents. And it is responsible to create the
-* MAP of content starting cluster to ending cluster which can be used
-* to generate FAT table. Since the cluster number is unique all over the
-* filesystem component, this class is designed as singleton class.
-* @internalComponent
-* @released
-*
-*/
-
-
-#include "cluster.h"
-
-
-//Initialize the Static CCluster instance pointer
-CCluster* CCluster::iClusterInstance = NULL;
-
-/**
-Static function which is used to instantiate and return the address of CCluster class.
-
-@internalComponent
-@released
-
-@param aClusterSize - single cluster size in Bytes
-@param aTotalNumberOfClusters - Maximum number of clusters
-@return - returns the instance of CCluster class
-*/
-
-CCluster* CCluster::Instance(unsigned int aClusterSize,unsigned int aTotalNumberOfClusters)
-{
- if (iClusterInstance == NULL) // is it the first call?
- {
- // create sole instance
- iClusterInstance = new CCluster(aClusterSize, aTotalNumberOfClusters);
- }
- return iClusterInstance; // address of sole instance
-}
-
-/**
-Destructor: Clears the clusters per entry map
-
-@internalComponent
-@released
-*/
-CCluster::~CCluster ()
-{
- iClustersPerEntry.clear();
- iClusterInstance = NULL;
-}
-
-
-/**
-Constructor Receives inputs from dirregion Class and initializes the class variables
-
-@internalComponent
-@released
-
-@param aClusterSize - Size of every Cluster
-@param aTotalNumberOfClusters - maximum number of clusters allowed for current FAT image
-*/
-CCluster::CCluster(unsigned int aClusterSize, unsigned int aTotalNumberOfClusters)
- :iClusterSize(aClusterSize),iTotalNumberOfClusters(aTotalNumberOfClusters)
-{
- iRootClusterNumber = KRootClusterNumber;
- iCurrentClusterNumber = iRootClusterNumber;
-}
-
-/**
-Function to return the current cluster number
-
-@internalComponent
-@released
-
-@return - returns the current cluster number
-*/
-unsigned int CCluster::GetCurrentClusterNumber() const
-{
- return iCurrentClusterNumber;
-}
-
-/**
-Function to decrement the current cluster number
-
-@internalComponent
-@released
-*/
-void CCluster::DecrementCurrentClusterNumber()
-{
- --iCurrentClusterNumber;
-}
-
-/**
-Function to get the High word of Current cluster number
-
-@internalComponent
-@released
-
-@return - returns the 16 bit HIGH word
-*/
-unsigned short int CCluster::GetHighWordClusterNumber() const
-{
- return (unsigned short)(iCurrentClusterNumber >> KBitShift16);
-}
-
-/**
-Function to get the Low word of Current cluster number
-
-@internalComponent
-@released
-
-@return - returns the 16 bit LOW word
-*/
-unsigned short int CCluster::GetLowWordClusterNumber() const
-{
- return (unsigned short)(iCurrentClusterNumber & KHighWordMask);
-}
-
-
-/**
-Function responsible to
-1. Increment the current Cluster Number
-2. Throw the error "image size too big" if the allocated clusters count exceeds total
-number of available clusters.
-
-@internalComponent
-@released
-*/
-void CCluster::UpdateNextAvailableClusterNumber()
-{
- if(iCurrentClusterNumber >= iTotalNumberOfClusters)
- {
- throw ErrorHandler(IMAGESIZETOOBIG,"Occupied number of clusters count exceeded than available clusters",__FILE__,__LINE__);
- }
- ++iCurrentClusterNumber;
-}
-
-/**
-Function to Return the cluster size
-
-@internalComponent
-@released
-
-@return the cluster size
-*/
-unsigned int CCluster::GetClusterSize() const
-{
- return iClusterSize;
-}
-
-/**
-Function Creates mapping between starting cluster number (where data starts) and
-the sub sequent cluster numbers (where the data extends).
-
-@internalComponent
-@released
-
-@param aStartingClusterNumber - Cluster number where the data starts
-@param aPairClusterNumber - Cluster number where the data extends
-*/
-void CCluster::CreateMap(unsigned int aStartingClusterNumber,unsigned int aPairClusterNumber)
-{
- iClustersPerEntry.insert(std::make_pair(aStartingClusterNumber,aPairClusterNumber));
-}
-
-/**
-Function to get Clusters per Entry MAP container.
-
-@internalComponent
-@released
-
-@return - returns the CLusters per entry container
-*/
-
-TClustersPerEntryMap* CCluster::GetClustersPerEntryMap()
-{
- return &iClustersPerEntry;
-}
+/*
+* 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:
+* Cluster class used to allocate cluster numbers for directory entries
+* and while writing file contents. And it is responsible to create the
+* MAP of content starting cluster to ending cluster which can be used
+* to generate FAT table. Since the cluster number is unique all over the
+* filesystem component, this class is designed as singleton class.
+* @internalComponent
+* @released
+*
+*/
+
+
+#include "cluster.h"
+
+
+//Initialize the Static CCluster instance pointer
+CCluster* CCluster::iClusterInstance = NULL;
+
+/**
+Static function which is used to instantiate and return the address of CCluster class.
+
+@internalComponent
+@released
+
+@param aClusterSize - single cluster size in Bytes
+@param aTotalNumberOfClusters - Maximum number of clusters
+@return - returns the instance of CCluster class
+*/
+
+CCluster* CCluster::Instance(unsigned int aClusterSize,unsigned int aTotalNumberOfClusters)
+{
+ if (iClusterInstance == NULL) // is it the first call?
+ {
+ // create sole instance
+ iClusterInstance = new CCluster(aClusterSize, aTotalNumberOfClusters);
+ }
+ return iClusterInstance; // address of sole instance
+}
+
+/**
+Destructor: Clears the clusters per entry map
+
+@internalComponent
+@released
+*/
+CCluster::~CCluster ()
+{
+ iClustersPerEntry.clear();
+ iClusterInstance = NULL;
+}
+
+
+/**
+Constructor Receives inputs from dirregion Class and initializes the class variables
+
+@internalComponent
+@released
+
+@param aClusterSize - Size of every Cluster
+@param aTotalNumberOfClusters - maximum number of clusters allowed for current FAT image
+*/
+CCluster::CCluster(unsigned int aClusterSize, unsigned int aTotalNumberOfClusters)
+ :iClusterSize(aClusterSize),iTotalNumberOfClusters(aTotalNumberOfClusters)
+{
+ iRootClusterNumber = KRootClusterNumber;
+ iCurrentClusterNumber = iRootClusterNumber;
+}
+
+/**
+Function to return the current cluster number
+
+@internalComponent
+@released
+
+@return - returns the current cluster number
+*/
+unsigned int CCluster::GetCurrentClusterNumber() const
+{
+ return iCurrentClusterNumber;
+}
+
+/**
+Function to decrement the current cluster number
+
+@internalComponent
+@released
+*/
+void CCluster::DecrementCurrentClusterNumber()
+{
+ --iCurrentClusterNumber;
+}
+
+/**
+Function to get the High word of Current cluster number
+
+@internalComponent
+@released
+
+@return - returns the 16 bit HIGH word
+*/
+unsigned short int CCluster::GetHighWordClusterNumber() const
+{
+ return (unsigned short)(iCurrentClusterNumber >> KBitShift16);
+}
+
+/**
+Function to get the Low word of Current cluster number
+
+@internalComponent
+@released
+
+@return - returns the 16 bit LOW word
+*/
+unsigned short int CCluster::GetLowWordClusterNumber() const
+{
+ return (unsigned short)(iCurrentClusterNumber & KHighWordMask);
+}
+
+
+/**
+Function responsible to
+1. Increment the current Cluster Number
+2. Throw the error "image size too big" if the allocated clusters count exceeds total
+number of available clusters.
+
+@internalComponent
+@released
+*/
+void CCluster::UpdateNextAvailableClusterNumber()
+{
+ if(iCurrentClusterNumber >= iTotalNumberOfClusters)
+ {
+ throw ErrorHandler(IMAGESIZETOOBIG,"Occupied number of clusters count exceeded than available clusters",__FILE__,__LINE__);
+ }
+ ++iCurrentClusterNumber;
+}
+
+/**
+Function to Return the cluster size
+
+@internalComponent
+@released
+
+@return the cluster size
+*/
+unsigned int CCluster::GetClusterSize() const
+{
+ return iClusterSize;
+}
+
+/**
+Function Creates mapping between starting cluster number (where data starts) and
+the sub sequent cluster numbers (where the data extends).
+
+@internalComponent
+@released
+
+@param aStartingClusterNumber - Cluster number where the data starts
+@param aPairClusterNumber - Cluster number where the data extends
+*/
+void CCluster::CreateMap(unsigned int aStartingClusterNumber,unsigned int aPairClusterNumber)
+{
+ iClustersPerEntry.insert(make_pair(aStartingClusterNumber,aPairClusterNumber));
+}
+
+/**
+Function to get Clusters per Entry MAP container.
+
+@internalComponent
+@released
+
+@return - returns the CLusters per entry container
+*/
+
+TClustersPerEntryMap* CCluster::GetClustersPerEntryMap()
+{
+ return &iClustersPerEntry;
+}