--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/userlibandfileserver/fileserver/sfat32/fat_dir_entry.inl Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,254 @@
+// Copyright (c) 1998-2009 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:
+// f32\sfat\inc\fat_dir_entry.inl
+//
+//
+
+/**
+ @file
+ @internalTechnology
+*/
+
+#if !defined(FAT_DIR_ENTRY_INL)
+#define FAT_DIR_ENTRY_INL
+
+//-------------------------------------------------------------------------------------------------------------------
+
+
+/**
+Defined cast of Fat directory entry data read to structure allowing access to data
+*/
+#define pDir ((SFatDirEntry*)&iData[0])
+
+
+inline TFatDirEntry::TFatDirEntry()
+ {
+ InitZ();
+ }
+
+/** zero-fill the entry contents */
+inline void TFatDirEntry::InitZ()
+ {
+ Mem::FillZ(iData, KSizeOfFatDirEntry);
+ }
+
+/**
+Return the Dos name of a directory entry
+
+@return A descriptor containing the Dos name of a directory entry
+*/
+inline const TPtrC8 TFatDirEntry::Name() const
+ {return TPtrC8((TUint8*)&(pDir->iName),KFatDirNameSize);}
+/**
+@return The attributes for the Directory entry
+*/
+inline TInt TFatDirEntry::Attributes() const
+ {return pDir->iAttributes;}
+/**
+@param aOffset This offset will be subtracted from the returned time.
+@return Time of file modification
+*/
+inline TTime TFatDirEntry::Time(TTimeIntervalSeconds aOffset) const
+ {
+ TTime time=DosTimeToTTime(pDir->iTime,pDir->iDate);
+ return time-=aOffset;
+ }
+/**
+@return The Start cluster for the file or directory for this entry
+*/
+inline TInt TFatDirEntry::StartCluster() const
+ {
+ const TUint16 KStClustMaskHi = 0x0FFF;
+ return ((pDir->iStartClusterHi & KStClustMaskHi) << 16) | pDir->iStartClusterLo;
+ }
+
+/**
+@return The size of file or directory for this entry
+*/
+inline TUint32 TFatDirEntry::Size() const
+ {return pDir->iSize;}
+/**
+@return True if the entry is erased
+*/
+inline TBool TFatDirEntry::IsErased() const
+ {return (TBool)(iData[0]==KEntryErasedMarker);}
+/**
+@return True if the entry refers to the current directory
+*/
+inline TBool TFatDirEntry::IsCurrentDirectory() const
+ {return (TBool)(iData[0]==KDotEntryByte && iData[1]==KBlankSpace);}
+/**
+@return True if the Entry refers to the parent directory
+*/
+inline TBool TFatDirEntry::IsParentDirectory() const
+ {return (TBool)(iData[0]==KDotEntryByte && iData[1]==KDotEntryByte);}
+/**
+@return True if end of directory
+*/
+inline TBool TFatDirEntry::IsEndOfDirectory() const
+ {return (TBool)(iData[0]==0x00);}
+/**
+Set the Dos name of a directory entry
+
+@param aDes A descriptor containg the name
+*/
+inline void TFatDirEntry::SetName(const TDesC8& aDes)
+ {
+ __ASSERT_DEBUG(aDes.Length()<=KFatDirNameSize,Fault(EFatBadDirEntryParameter));
+ TPtr8 name(pDir->iName,KFatDirNameSize);
+ name=aDes;
+ }
+/**
+Set the file or directory attributes for this entry
+
+@param anAtts The file or directory attributes
+*/
+inline void TFatDirEntry::SetAttributes(TInt anAtts)
+ {
+ __ASSERT_DEBUG(!(anAtts&~KMaxTUint8),Fault(EFatBadDirEntryParameter));
+ pDir->iAttributes=(TUint8)anAtts;
+ }
+/**
+Set the modification time and date of the directory entry
+
+@param aTime Modification time of the file or directory
+@aOffset aOffset This offset will be added to the time.
+*/
+inline void TFatDirEntry::SetTime(TTime aTime, TTimeIntervalSeconds aOffset)
+ {
+ aTime+=aOffset;
+ pDir->iTime=(TUint16)DosTimeFromTTime(aTime);
+ pDir->iDate=(TUint16)DosDateFromTTime(aTime);
+ }
+
+inline void TFatDirEntry::SetCreateTime(TTime aTime, TTimeIntervalSeconds aOffset)
+ {
+ aTime+=aOffset;
+ pDir->iTimeC=(TUint16)DosTimeFromTTime(aTime);
+ pDir->iDateC=(TUint16)DosDateFromTTime(aTime);
+ }
+
+/**
+Set the start cluster number of the file or directory refered to by the entry
+
+@param aStartCluster The start cluster number
+*/
+inline void TFatDirEntry::SetStartCluster(TInt aStartCluster)
+ {
+ pDir->iStartClusterLo=(TUint16)(aStartCluster);
+ pDir->iStartClusterHi=(TUint16)(aStartCluster >> 16);
+ }
+/**
+Set the size of the file or directory refered to by the entry
+
+@param aFileSize Size of the file
+*/
+inline void TFatDirEntry::SetSize(TUint32 aFileSize)
+ {pDir->iSize=aFileSize;}
+/**
+Set the directory entry as erased
+*/
+inline void TFatDirEntry::SetErased()
+ {iData[0]=KEntryErasedMarker;}
+/**
+Set the current entry to refer to the current directory
+*/
+inline void TFatDirEntry::SetCurrentDirectory()
+ {
+ iData[0]='.';
+ Mem::Fill(&iData[1],KFatDirNameSize-1,' ');
+ }
+/**
+Set the current entry to refer to the parent directory
+*/
+inline void TFatDirEntry::SetParentDirectory()
+ {
+ iData[0]='.';iData[1]='.';
+ Mem::Fill(&iData[2],KFatDirNameSize-2,' ');
+ }
+/**
+Set the current entry to be the end of directory marker
+*/
+inline void TFatDirEntry::SetEndOfDirectory()
+ {Mem::FillZ(&iData[0],KFatDirNameSize);}
+
+/**
+ Get VFAT entry ID. Uset by Rugged FAT and Scan Drive to fix broken entries
+ Uses 1 byte from "Last Access Date" field, offset 19. Hack.
+*/
+TUint TFatDirEntry::RuggedFatEntryId() const
+ {
+ return pDir->iReserved2;
+ }
+
+/**
+ Set VFAT entry ID. Uset by Rugged FAT and Scan Drive to fix broken entries
+ Uses 1 byte from "Last Access Date" field, offset 19. Hack.
+*/
+void TFatDirEntry::SetRuggedFatEntryId(TUint16 aId)
+ {
+ pDir->iReserved2 = aId;
+ }
+
+
+/**
+@return True if the entry is the start of a long name set of entries
+*/
+inline TBool TFatDirEntry::IsLongNameStart() const
+ {return (TBool)((iData[0]&0x40) != 0);}
+/**
+@return True is the Entry is a VFat entry
+*/
+inline TBool TFatDirEntry::IsVFatEntry() const
+ {return (TBool)(Attributes()==KVFatEntryAttribute && IsEndOfDirectory()==EFalse);}
+/**
+@return The number of following VFat entries
+*/
+inline TInt TFatDirEntry::NumFollowing() const
+ {return (iData[0]&0x3F);}
+
+
+inline TUint8 TFatDirEntry::CheckSum() const
+ {
+ ASSERT(IsVFatEntry());
+ return iData[13];
+ }
+
+
+
+/**
+@return ETrue if the Directory entry contains garbage data
+*/
+inline TBool TFatDirEntry::IsGarbage() const
+ {
+ return (iData[0]==0xFF);
+ }
+
+
+
+#endif //FAT_DIR_ENTRY_INL
+
+
+
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