Difference between revisions of "TFileSystem"
From Ultibo.org
| Line 126: | Line 126: | ||
| <code>FCurrentIndex:LongWord;</code> | | <code>FCurrentIndex:LongWord;</code> | ||
| TLS Index for storing current directory | | TLS Index for storing current directory | ||
| + | |- | ||
| + | | <code>FCurrentEntry:TDiskEntry;</code> | ||
| + | | Current directory when global current directory is enabled | ||
|- | |- | ||
|colspan="2"| | |colspan="2"| | ||
Revision as of 07:17, 9 June 2021
Return to Unit Filesystem
Description
To be documented
Class definitions
TFileSystem = class(TListObject)
constructor Create(ADriver:TFileSysDriver; AVolume:TDiskVolume; ADrive:TDiskDrive);
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destructor Destroy; override;
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private
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FLock:TSynchronizerHandle;
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FLocalLock:TMutexHandle;
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protected
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FDriver:TFileSysDriver;
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FVolume:TDiskVolume;
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FDrive:TDiskDrive;
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FPathChar:String;
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Path separator character |
FNameChar:String;
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Name separator character |
FFileChar:String;
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File separator character |
FRootChar:String;
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Root specifier character (eg C:) |
FRootName:String;
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FRootPath:String;
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Root Path must be prefixed with \\. |
FMaxFile:Integer;
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FMaxPath:Integer;
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FMaxAltFile:Integer;
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FMaxAltPath:Integer;
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FAttributes:LongWord;
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FMaxAttributes:LongWord;
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FMaskAttributes:LongWord;
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FMountPointTag:LongWord;
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FSymbolicLinkTag:LongWord;
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FSystemName:String;
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FVolumeName:String;
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FVolumeGUID:String;
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FVolumeSerial:LongWord;
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FFileSysType:TFileSysType;
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FSectorSize:Word;
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FStartSector:Int64;
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FSectorCount:LongWord;
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FRoot:TDiskEntry;
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FCurrentIndex:LongWord;
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TLS Index for storing current directory |
FCurrentEntry:TDiskEntry;
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Current directory when global current directory is enabled |
FChunks:TFileSysList;
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FTables:TFileSysList;
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FBlocks:TFileSysList;
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FEntries:TFileSysTree;
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FCatalogs:TFileSysList;
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FAcls:TFileSysList;
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FChunkLocal:TMutexHandle;
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Local Lock shared by all DiskChunk objects |
FTableLocal:TMutexHandle;
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Local Lock shared by all DiskTable objects |
FBlockLocal:TMutexHandle;
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Local Lock shared by all DiskBlock objects |
FEntryLocal:TMutexHandle;
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Local Lock shared by all DiskEntry objects |
FCatalogLocal:TMutexHandle;
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Local Lock shared by all DiskCatalog objects |
FSecurityLocal:TMutexHandle;
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Local Lock shared by all DiskSecurity objects |
FAclLocal:TMutexHandle;
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Local Lock shared by all DiskAcl objects |
FAceLocal:TMutexHandle;
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Local Lock shared by all DiskAce objects |
FMarkDirty:Boolean;
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Mark the volume as dirty when dismounting (Either by request or due to error) |
FMarkClean:Boolean;
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Mark the volume as clean when dismounting (Only by request) |
FMarkError:Boolean;
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Error was encounted on volume, mark as dirty when dismounting |
FLogDirty:Boolean;
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LogFile was dirty when mounted (if supported by filesystem) |
FMountDirty:Boolean;
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Volume was dirty when mounted, leave marked as dirty when dismounting |
FOemConvert:Boolean;
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Default to True overidden by descendants if not supported |
FNumericTail:Boolean;
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Default to True overidden by descendants if not supported |
FReadOnly:Boolean;
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Default to False overidden by descendants if True |
FLongNames:Boolean;
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Default to True overidden by descendants if not supported |
FDataStreams:Boolean;
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Default to False overidden by descendants if supported |
FReparsePoints:Boolean;
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Default to False overidden by descendants if supported |
FCaseSensitive:Boolean;
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Default to False overidden by descendants if supported |
FCasePreserved:Boolean;
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Default to False overidden by descendants if supported |
FUnicodeNames:Boolean;
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Default to False overidden by descendants if supported |
FPersistentAcls:Boolean;
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Default to False overidden by descendants if supported |
FFileCompression:Boolean;
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Default to False overidden by descendants if supported |
FVolumeQuotas:Boolean;
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Default to False overidden by descendants if supported |
FSparseFiles:Boolean;
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Default to False overidden by descendants if supported |
FRemoteStorage:Boolean;
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Default to False overidden by descendants if supported |
FVolumeCompressed:Boolean;
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Default to False overidden by descendants if supported |
FObjectIds:Boolean;
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Default to False overidden by descendants if supported |
FEncryption:Boolean;
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Default to False overidden by descendants if supported |
FBootCatalog:Boolean;
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Default to False overidden by descendants if supported |
FVirtualVolume:Boolean;
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Default to False overidden by descendants if supported |
FFolderEncryption:Boolean;
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Default to False overidden by descendants if supported |
FFolderCompression:Boolean;
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Default to False overidden by descendants if supported |
FBootSector:LongWord;
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Relative to StartSector |
FBootBackup:LongWord;
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Relative to StartSector |
FSectorBuffer:Pointer;
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Buffer of exactly sector size |
FSectorLock:TMutexHandle;
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Lock for sector buffer |
function AcquireLock:Boolean;
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function ReleaseLock:Boolean;
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function SectorLock:Boolean;
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function SectorUnlock:Boolean;
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procedure SetDrive(ADrive:TDiskDrive); virtual;
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procedure SetVolume(AVolume:TDiskVolume); virtual;
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function GetPathChar:String; virtual;
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function GetNameChar:String; virtual;
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function GetFileChar:String; virtual;
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function GetRootChar:String; virtual;
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function GetRootName:String; virtual;
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function GetRootPath:String; virtual;
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function GetSystemName:String; virtual;
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function GetVolumeName:String; virtual;
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function GetVolumeGUID:String; virtual;
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function LoadPathChar:String; virtual;
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function LoadNameChar:String; virtual;
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function LoadFileChar:String; virtual;
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function LoadRootChar:String; virtual;
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function LoadRootName:String; virtual;
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function LoadRootPath:String; virtual;
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function LoadMaxFile:Integer; virtual;
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function LoadMaxPath:Integer; virtual;
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function LoadMaxAltFile:Integer; virtual;
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function LoadMaxAltPath:Integer; virtual;
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function LoadAttributes:LongWord; virtual;
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Get the Volume Attributes |
function LoadMaxAttributes:LongWord; virtual;
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Get the Maximum File Attributes (used when setting file attributes) |
function LoadMaskAttributes:LongWord; virtual;
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Get the File Attributes Mask (used when getting file attributes) |
function LoadMountPointTag:LongWord; virtual;
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function LoadSymbolicLinkTag:LongWord; virtual;
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function LoadSystemName:String; virtual;
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function LoadVolumeName:String; virtual;
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function LoadVolumeGUID:String; virtual;
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function LoadVolumeSerial:LongWord; virtual;
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function LoadFileSysType:TFileSysType; virtual;
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function LoadSectorSize:Word; virtual;
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function LoadStartSector:Int64; virtual;
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function LoadSectorCount:LongWord; virtual;
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function GetCurrent:TDiskEntry; virtual;
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function SetCurrent(ACurrent:TDiskEntry):Boolean; virtual;
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function FillSectors(ASector,ACount:LongWord; AValue:Byte):Boolean;
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function ReadSectors(ASector,ACount:LongWord; var ABuffer):Boolean;
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function WriteSectors(ASector,ACount:LongWord; const ABuffer):Boolean;
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function ReadEntry(AParent,AEntry:TDiskEntry; var ABuffer; const AStart:Int64; ACount:LongWord; var AOffset,AValue:LongWord):Integer; virtual;
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function WriteEntry(AParent,AEntry:TDiskEntry; const ABuffer; const AStart:Int64; ACount:LongWord; var AOffset,AValue:LongWord):Integer; virtual;
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function LoadTables:Boolean; virtual;
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function LoadBlocks:Boolean; virtual;
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function LoadEntries(AParent:TDiskEntry):Boolean; virtual;
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function LoadCatalogs:Boolean; virtual;
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function LoadTable(ATableNo:LongWord):Boolean; virtual;
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function LoadBlock(ABlockNo:LongWord):Boolean; virtual;
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| Note: LoadEntry can be implemented if needed but is not defined here. | |
| Note: LoadCatalog can be implemented if needed but is not defined here. | |
function UnloadEntries(AParent:TDiskEntry):Boolean; virtual;
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function AddEntry(AParent:TDiskEntry; const AName:String; AAttributes:LongWord; AReference:Boolean):TDiskEntry; virtual;
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function AddEntryEx(AParent:TDiskEntry; const AName,AAltName:String; AAttributes:LongWord; AReference:Boolean):TDiskEntry; virtual;
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function RemoveEntry(AParent,AEntry:TDiskEntry):Boolean; virtual;
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function RenameEntry(AParent,AEntry:TDiskEntry; const AName:String):Boolean; virtual;
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function RenameEntryEx(AParent,AEntry:TDiskEntry; const AAltName:String):Boolean; virtual;
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function MoveEntry(ASource,ADest,AEntry:TDiskEntry):Boolean; virtual;
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function AddCatalog(AEntry:TDiskEntry; AMediaType:TMediaType; AFloppyType:TFloppyType; AAttributes:LongWord; ASectorSize:Word; const ASectorCount:Int64):TDiskCatalog; virtual;
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function RemoveCatalog(ACatalog:TDiskCatalog):Boolean; virtual;
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function CheckCatalog(ACatalog:TDiskCatalog; ALock:Boolean; AState:LongWord):Boolean; virtual;
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function GetCatalogByNo(ACatalogNo:LongWord; ALock:Boolean; AState:LongWord):TDiskCatalog; virtual;
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function GetCatalogByName(const AName:String; ALock:Boolean; AState:LongWord):TDiskCatalog; virtual;
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function GetCatalogByNext(APrevious:TDiskCatalog; ALock,AUnlock:Boolean; AState:LongWord):TDiskCatalog; virtual;
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function GetNextCatalogNo:LongWord; virtual;
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function GetMaxCatalogNo:LongWord; virtual;
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function AddHardlink(AEntry,AParent:TDiskEntry; const AName:String; AReference:Boolean):TDiskEntry; virtual;
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function RemoveHardlink(AParent,AEntry:TDiskEntry):Boolean; virtual;
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function AddMountPoint(AEntry:TDiskEntry; const ATarget:String):Boolean; virtual;
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function RemoveMountPoint(AEntry:TDiskEntry):Boolean; virtual;
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function AddJunctionPoint(AEntry:TDiskEntry; const ATarget:String):Boolean; virtual;
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function RemoveJunctionPoint(AEntry:TDiskEntry):Boolean; virtual;
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function AddSymbolicLink(AParent:TDiskEntry; const AName,ATarget:String; AFolder,AReference:Boolean):TDiskEntry; virtual;
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function AddSymbolicLinkEx(AParent:TDiskEntry; const AName,AAltName,ATarget:String; AFolder,AReference:Boolean):TDiskEntry; virtual;
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function RemoveSymbolicLink(AParent,AEntry:TDiskEntry):Boolean; virtual;
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function SetTable(ATable:TDiskTable):Boolean; virtual;
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function SetBlock(ABlock:TDiskBlock):Boolean; virtual;
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function SetEntry(AParent,AEntry:TDiskEntry):Boolean; virtual;
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function SetCatalog(ACatalog:TDiskCatalog):Boolean; virtual;
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function SetReparse(AParent,AEntry:TDiskEntry; AReparse:TDiskReparse):Boolean; virtual;
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function SetSecurity(AParent,AEntry:TDiskEntry; ASecurity:TDiskSecurity):Boolean; virtual;
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function SizeEntry(AParent,AEntry:TDiskEntry; const ASize:Int64):Boolean; virtual;
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function GetTable(ATableNo:LongWord):TDiskTable; virtual;
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function GetTableEx(ATableNo:LongWord; AWrite:Boolean):TDiskTable; virtual;
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function GetBlock(ABlockNo:LongWord):TDiskBlock; virtual;
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function GetBlockEx(ABlockNo:LongWord; AWrite:Boolean):TDiskBlock; virtual;
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function GetEntry(AParent:TDiskEntry; const AName:String; AAttributes:LongWord):TDiskEntry; virtual;
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function GetEntryEx(AParent:TDiskEntry; const AName:String; AAttributes:LongWord; AAdd,ARemove,AWrite:Boolean):TDiskEntry; virtual;
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function GetCatalog(ACatalogNo:LongWord):TDiskCatalog; virtual;
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function GetCatalogEx(ACatalogNo:LongWord; AWrite:Boolean):TDiskCatalog; virtual;
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function GetReparse(AEntry:TDiskEntry):TDiskReparse; virtual;
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function GetSecurity(AEntry:TDiskEntry):TDiskSecurity; virtual;
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function MatchEntry(AParent,APrevious:TDiskEntry; const AName:String; AAttributes:LongWord; AAny:Boolean):TDiskEntry; virtual;
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function MatchEntryEx(AParent,APrevious:TDiskEntry; const AName:String; AAttributes:LongWord; AAny,AAdd,ARemove,AWrite:Boolean):TDiskEntry; virtual;
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function GetEntryPath(AEntry:TDiskEntry; AAltName:Boolean):String;
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function GetEntryName(AEntry:TDiskEntry; AAltName:Boolean):String;
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function SplitPath(const APath:String; var ARelative:Boolean; AFolders:TStrings; var AName:String):Boolean; virtual;
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function SplitName(const AName:String; var AFile,AStream:String):Boolean; virtual;
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function SplitFile(const AFile:String; var AName,AExt:String):Boolean; virtual;
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function SplitStream(const AStream:String; var AName,AType:String):Boolean; virtual;
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function BuildPath(ARelative:Boolean; AFolders:TLinkedStringList; const AName:String):String; virtual;
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function BuildName(const AFile,AStream:String):String; virtual;
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function BuildFile(const AName,AExt:String):String; virtual;
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function BuildStream(const AName,AType:String):String; virtual;
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function CheckName(const AName:String):Boolean; virtual;
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function CompareName(const AName,AMatch:String; AWildcard:Boolean):Boolean; virtual;
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function CheckAltName(const AAltName:String):Boolean; virtual;
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function CompareAltName(const AAltName,AMatch:String; AWildcard:Boolean):Boolean; virtual;
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function CheckLinkName(const AName:String):Boolean; virtual;
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function GetSecurityFromDescriptor(ADescriptor:Pointer):TDiskSecurity; virtual;
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function GetDescriptorFromSecurity(ASecurity:TDiskSecurity; ADescriptor:Pointer; var ASize:LongWord):Boolean; virtual;
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public
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property Volume:TDiskVolume read FVolume write SetVolume;
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property Drive:TDiskDrive read FDrive write SetDrive;
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property PathChar:String read GetPathChar;
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property NameChar:String read GetNameChar;
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property FileChar:String read GetFileChar;
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property RootChar:String read GetRootChar;
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property RootName:String read GetRootName;
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property RootPath:String read GetRootPath;
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property MaxFile:Integer read FMaxFile;
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property MaxPath:Integer read FMaxPath;
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property MaxAltFile:Integer read FMaxAltFile;
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property MaxAltPath:Integer read FMaxAltPath;
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property Attributes:LongWord read FAttributes;
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property MaxAttributes:LongWord read FMaxAttributes;
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property MaskAttributes:LongWord read FMaskAttributes;
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property MountPointTag:LongWord read FMountPointTag;
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property SymbolicLinkTag:LongWord read FSymbolicLinkTag;
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property SystemName:String read GetSystemName;
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property VolumeName:String read GetVolumeName;
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property VolumeGUID:String read GetVolumeGUID;
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property VolumeSerial:LongWord read FVolumeSerial;
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property FileSysType:TFileSysType read FFileSysType;
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property SectorSize:Word read FSectorSize;
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property StartSector:Int64 read FStartSector;
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property SectorCount:LongWord read FSectorCount;
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property MarkDirty:Boolean read FMarkDirty write FMarkDirty;
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property MarkClean:Boolean read FMarkClean write FMarkClean;
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property MarkError:Boolean read FMarkError;
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property LogDirty:Boolean read FLogDirty;
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property MountDirty:Boolean read FMountDirty;
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function ReaderLock:Boolean;
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function ReaderUnlock:Boolean;
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function ReaderConvert:Boolean;
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function WriterLock:Boolean;
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function WriterUnlock:Boolean;
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function WriterConvert:Boolean;
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function FileSystemInit:Boolean; virtual;
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function MountFileSystem:Boolean; virtual;
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function DismountFileSystem:Boolean; virtual;
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function InitializeFileSystem(ASectorsPerCluster:LongWord; AFileSysType:TFileSysType):Boolean; virtual;
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function CreateCatalog(const AName:String; AMediaType:TMediaType; AFloppyType:TFloppyType; AAttributes:LongWord; ASectorSize:Word; const ASectorCount:Int64):LongWord; virtual;
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function DeleteCatalog(ACatalogNo:LongWord):Boolean; virtual;
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function FindFirstCatalog(var ASearchRec:TCatalogSearchRec):Integer; virtual;
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function FindNextCatalog(var ASearchRec:TCatalogSearchRec):Integer; virtual;
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procedure FindCatalogClose(var ASearchRec:TCatalogSearchRec); virtual;
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function GetDriveLabel:String; virtual;
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function SetDriveLabel(const ALabel:String):Boolean; virtual;
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function GetDriveSerial:LongWord; virtual;
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function SetDriveSerial(ASerial:LongWord):Boolean; virtual;
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function GetDriveFreeSpace:LongWord; virtual;
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function GetDriveFreeSpaceEx:Int64; virtual;
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function GetDriveTotalSpace:LongWord; virtual;
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function GetDriveTotalSpaceEx:Int64; virtual;
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function GetDriveInformation(var AClusterSize:LongWord; var ATotalClusterCount,AFreeClusterCount:Int64):Boolean; virtual;
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function FileOpen(const FileName:String; Mode:Integer):THandle; virtual;
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function FileCreate(const FileName:String; Mode:Integer = fmOpenReadWrite or fmShareExclusive):THandle; virtual;
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function DeleteFile(const FileName:String):Boolean; virtual;
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procedure FileClose(Handle:Integer); virtual;
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function RenameFile(const OldName,NewName:String):Boolean; virtual;
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function FileSeek(Handle:THandle; Offset,Origin:LongInt):LongInt; virtual;
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function FileSeekEx(Handle:THandle; const Offset:Int64; Origin:LongInt):Int64; virtual;
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function FileFlush(Handle:Integer):Boolean; virtual;
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function FileTruncate(Handle:Integer):Boolean; virtual;
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function FilePos(Handle:THandle):LongInt; virtual;
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function FilePosEx(Handle:THandle):Int64; virtual;
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function FileGetAttr(const FileName:String):Integer; virtual;
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function FileGetDate(Handle:Integer):Integer; virtual;
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function FileGetSize(Handle:THandle):LongInt; virtual;
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function FileGetSizeEx(Handle:THandle):Int64; virtual;
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function FileSetAttr(const FileName:String; Attr:Integer):Integer; virtual;
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function FileSetDate(Handle:Integer; Age:Integer):Integer; virtual;
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function FileSetSize(Handle:THandle; Size:LongInt):LongInt; virtual;
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function FileSetSizeEx(Handle:THandle; const Size:Int64):LongInt; virtual;
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function FileRead(Handle:THandle; var Buffer; Count:LongInt):LongInt; virtual;
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function FileWrite(Handle:THandle; const Buffer; Count:LongInt):LongInt; virtual;
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function CreateDir(const DirName:String):Boolean; virtual;
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function RemoveDir(const DirName:String):Boolean; virtual;
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function GetCurrentDir:String; virtual;
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function SetCurrentDir(const DirName:String):Boolean; virtual;
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function FindOne(const Path:String; var SearchRec:TFileSearchRec):Integer; virtual;
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function FindAll(const Path:String; var SearchRec:TFileSearchRec):Integer; virtual;
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function FindFirstEx(const Path:String; var SearchRec:TFileSearchRec):Integer; virtual;
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function FindNextEx(var SearchRec:TFileSearchRec):Integer; virtual;
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procedure FindCloseEx(var SearchRec:TFileSearchRec); virtual;
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function FindFirstStream(const FileName:String; var SearchRec:TStreamSearchRec):Integer; virtual;
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function FindNextStream(var SearchRec:TStreamSearchRec):Integer; virtual;
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procedure FindStreamClose(var SearchRec:TStreamSearchRec); virtual;
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function FindFirstFileName(const FileName:String; var SearchRec:TLinkSearchRec):Integer; virtual;
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function FindNextFileName(var SearchRec:TLinkSearchRec):Integer; virtual;
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procedure FindFileNameClose(var SearchRec:TLinkSearchRec); virtual;
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function CreateHardLink(const LinkName,FileName:String):Boolean; virtual;
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function DeleteHardLink(const LinkName:String):Boolean; virtual;
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function CreateMountPoint(const PathName,VolumeName:String):Boolean; virtual;
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function DeleteMountPoint(const PathName:String):Boolean; virtual;
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function CreateJunctionPoint(const PathName,FolderName:String):Boolean; virtual;
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function DeleteJunctionPoint(const PathName:String):Boolean; virtual;
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function CreateSymbolicLink(const LinkName,TargetName:String; Directory:Boolean):Boolean; virtual;
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function CreateSymbolicLinkEx(const LinkName,ShortName,TargetName:String; Directory:Boolean):Boolean; virtual;
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function DeleteSymbolicLink(const LinkName:String):Boolean; virtual;
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function GetMountPointTarget(const PathName:String):String; virtual;
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function GetJunctionPointTarget(const PathName:String):String; virtual;
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function GetSymbolicLinkTarget(const LinkName:String):String; virtual;
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function SetFileShortName(const FileName,ShortName:String):Boolean; virtual;
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function SetFileShortNameEx(Handle:Integer; const ShortName:String):Boolean; virtual;
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function GetFileSecurity(const FileName:String; Descriptor:Pointer; var Size:LongWord):Boolean; virtual;
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function SetFileSecurity(const FileName:String; Descriptor:Pointer):Boolean; virtual;
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function GetPathName(const FileName:String):String; virtual;
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function GetShortName(const FileName:String):String; virtual;
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function GetLongName(const FileName:String):String; virtual;
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function GetTrueName(const FileName:String):String; virtual;
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function FileCreateEx(const FileName,ShortName:String; Mode:Integer = fmOpenReadWrite or fmShareExclusive):THandle; virtual;
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function CreateDirEx(const DirName,ShortName:String):Boolean; virtual;
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function FileGetAttrEx(Handle:Integer):Integer; virtual;
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function FileGetDateEx(Handle:Integer):TFileTime; virtual;
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function FileSetDateEx(Handle:Integer; Age:TFileTime):Integer; virtual;
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function GetFileTime(Handle:Integer; CreateTime,AccessTime,ModifyTime:PFileTime):Boolean; virtual;
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function SetFileTime(Handle:Integer; CreateTime,AccessTime,ModifyTime:PFileTime):Boolean; virtual;
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function CloseFile(Handle:THandle):Boolean; virtual;
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Equivalent to Win32 CloseHandle |
Function declarations
constructor TFileSystem.Create(ADriver:TFileSysDriver; AVolume:TDiskVolume; ADrive:TDiskDrive);
Description: To be documented
| Note | None documented |
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destructor TFileSystem.Destroy;
Description: To be documented
| Note | None documented |
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function TFileSystem.AcquireLock:Boolean;
Description: To be documented
| Note | None documented |
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function TFileSystem.ReleaseLock:Boolean;
Description: To be documented
| Note | None documented |
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function TFileSystem.SectorLock:Boolean;
Description: To be documented
| Note | None documented |
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function TFileSystem.SectorUnlock:Boolean;
Description: To be documented
| Note | None documented |
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procedure TFileSystem.SetDrive(ADrive:TDiskDrive);
Description: To be documented
| Note | None documented |
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procedure TFileSystem.SetVolume(AVolume:TDiskVolume);
Description: To be documented
| Note | None documented |
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function TFileSystem.GetPathChar:String;
Description: To be documented
| Note | None documented |
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function TFileSystem.GetNameChar:String;
Description: To be documented
| Note | None documented |
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function TFileSystem.GetFileChar:String;
Description: To be documented
| Note | None documented |
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function TFileSystem.GetRootChar:String;
Description: To be documented
| Note | None documented |
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function TFileSystem.GetRootName:String;
Description: To be documented
| Note | None documented |
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function TFileSystem.GetRootPath:String;
Description: To be documented
| Note | None documented |
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function TFileSystem.GetSystemName:String;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.GetVolumeName:String;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.GetVolumeGUID:String;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.LoadPathChar:String;
Description: Load the Path separator character
| Note | None documented |
|---|
function TFileSystem.LoadNameChar:String;
Description: Load the Name separator character
| Note | None documented |
|---|
function TFileSystem.LoadFileChar:String;
Description: Load the File separator character
| Note | None documented |
|---|
function TFileSystem.LoadRootChar:String;
Description: Load the Root specifier character (eg C:)
| Note | None documented |
|---|
function TFileSystem.LoadRootName:String;
Description: Load Root Name from Drive or Volume (eg C:\ or \\?\Volume1)
| Note | None documented |
|---|
function TFileSystem.LoadRootPath:String;
Description: Load Root Path from Volume or Drive (eg \\.\Harddisk0\Partition1 or C:\)
| Note | None documented |
|---|
function TFileSystem.LoadMaxFile:Integer;
Description: Load the maximum File name length
| Note | None documented |
|---|
function TFileSystem.LoadMaxPath:Integer;
Description: Load the maximum Path name length
| Note | None documented |
|---|
function TFileSystem.LoadMaxAltFile:Integer;
Description: Load the maximum Alt File name length
| Note | None documented |
|---|
function TFileSystem.LoadMaxAltPath:Integer;
Description: Load the maximum Alt Path name length
| Note | None documented |
|---|
function TFileSystem.LoadAttributes:LongWord;
Description: Load the File System (Volume) Attributes
| Note | None documented |
|---|
function TFileSystem.LoadMaxAttributes:LongWord;
Description: Load the Maximum File Attributes (FileSetAttr)
| Note | None documented |
|---|
function TFileSystem.LoadMaskAttributes:LongWord;
Description: Load the File Attributes Mask (FileGetAttr/FindFirstEx/FindNextEx)
| Note | None documented |
|---|
function TFileSystem.LoadMountPointTag:LongWord;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.LoadSymbolicLinkTag:LongWord;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.LoadSystemName:String;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.LoadVolumeName:String;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.LoadVolumeGUID:String;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.LoadVolumeSerial:LongWord;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.LoadFileSysType:TFileSysType;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.LoadSectorSize:Word;
Description: Load Sector Size from Volume
| Note | None documented |
|---|
function TFileSystem.LoadStartSector:Int64;
Description: Load Start Sector from Volume
| Note | None documented |
|---|
function TFileSystem.LoadSectorCount:LongWord;
Description: Load Sector Count from Volume
| Note | None documented |
|---|
function TFileSystem.GetCurrent:TDiskEntry;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.SetCurrent(ACurrent:TDiskEntry):Boolean;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.FillSectors(ASector,ACount:LongWord; AValue:Byte):Boolean;
Description: Fill specified number of sectors with the supplied value
| Note | Sector is relative to the StartSector of the FileSystem |
|---|
function TFileSystem.ReadSectors(ASector,ACount:LongWord; var ABuffer):Boolean;
Description: Read Sectors from the Volume using Cache
| Note | Sector is relative to the StartSector of the FileSystem
Caller must hold the filesystem lock, cache will serialize access to device. |
|---|
function TFileSystem.WriteSectors(ASector,ACount:LongWord; const ABuffer):Boolean;
Description: Write Sectors to the Volume using Cache
| Note | Sector is relative to the StartSector of the FileSystem
Caller must hold the filesystem lock, cache will serialize access to device. |
|---|
function TFileSystem.ReadEntry(AParent,AEntry:TDiskEntry; var ABuffer; const AStart:Int64; ACount:LongWord; var AOffset,AValue:LongWord):Integer;
Description: To be documented
| Note | Start, Count and Size have already been checked.
Offset and Value are private to the filesystem |
|---|
function TFileSystem.WriteEntry(AParent,AEntry:TDiskEntry; const ABuffer; const AStart:Int64; ACount:LongWord; var AOffset,AValue:LongWord):Integer;
Description: To be documented
| Note | Start, Count and Size have already been checked.
Offset and Value are private to the filesystem |
|---|
function TFileSystem.LoadTables:Boolean;
Description: Load all Disk Tables
| Note | Descendant method must use WriterLock on Tables |
|---|
function TFileSystem.LoadBlocks:Boolean;
Description: Load all Disk Blocks
| Note | Descendant method must use WriterLock on Blocks |
|---|
function TFileSystem.LoadEntries(AParent:TDiskEntry):Boolean;
Description: To be documented
| Note | Parent must be supplied
Descendant method must use WriterLock on Entries |
|---|
function TFileSystem.LoadCatalogs:Boolean;
Description: To be documented
| Note | Descendant method must use WriterLock on Catalogs |
|---|
function TFileSystem.LoadTable(ATableNo:LongWord):Boolean;
Description: To be documented
| Note | TableNo is zero based
Descendant method must use WriterLock on Tables |
|---|
function TFileSystem.LoadBlock(ABlockNo:LongWord):Boolean;
Description: To be documented
| Note | BlockNo is zero based
Descendant method must use WriterLock on Blocks |
|---|
function TFileSystem.UnloadEntries(AParent:TDiskEntry):Boolean;
Description: To be documented
| Note | Parent must be supplied
Descendant method must use WriterLock on Entries |
|---|
function TFileSystem.AddEntry(AParent:TDiskEntry; const AName:String; AAttributes:LongWord; AReference:Boolean):TDiskEntry;
Description: To be documented
| Reference | Add a reference on the returned entry if True |
|---|---|
| Note | Parent must be supplied, Name has already been checked.
Descendant method must use WriterLock on Entries |
function TFileSystem.AddEntryEx(AParent:TDiskEntry; const AName,AAltName:String; AAttributes:LongWord; AReference:Boolean):TDiskEntry;
Description: To be documented
| AltName | If AltName already exists then a generated one will be provided, will not fail due to AltName. |
|---|---|
| Reference | Add a reference on the returned entry if True |
| Note | Parent must be supplied, Name and AltName have already been checked.
Descendant method must use WriterLock on Entries |
function TFileSystem.RemoveEntry(AParent,AEntry:TDiskEntry):Boolean;
Description: To be documented
| Note | Files and Folders have been checked, Handles have been checked.
Parent must be supplied
|
|---|
function TFileSystem.RenameEntry(AParent,AEntry:TDiskEntry; const AName:String):Boolean;
Description: To be documented
| Note | Parent must be supplied, Name has already been checked.
Descendant method must use WriterLock on Entries |
|---|
function TFileSystem.RenameEntryEx(AParent,AEntry:TDiskEntry; const AAltName:String):Boolean;
Description: To be documented
| Note | Parent must be supplied, Name has already been checked.
Descendant method must use WriterLock on Entries |
|---|
function TFileSystem.MoveEntry(ASource,ADest,AEntry:TDiskEntry):Boolean;
Description: To be documented
| Note | Source and Dest must be supplied, Name has already been checked.
Descendant method must use WriterLock on Entries |
|---|
function TFileSystem.AddCatalog(AEntry:TDiskEntry; AMediaType:TMediaType; AFloppyType:TFloppyType; AAttributes:LongWord; ASectorSize:Word; const ASectorCount:Int64):TDiskCatalog;
Description: To be documented
| Note | Descendant method must use WriterLock on Catalogs |
|---|
function TFileSystem.RemoveCatalog(ACatalog:TDiskCatalog):Boolean;
Description: To be documented
| Note | Descendant method must use WriterLock on Catalogs |
|---|
function TFileSystem.CheckCatalog(ACatalog:TDiskCatalog; ALock:Boolean; AState:LongWord):Boolean;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.GetCatalogByNo(ACatalogNo:LongWord; ALock:Boolean; AState:LongWord):TDiskCatalog;
Description: To be documented
| Note | CatalogNo is one based |
|---|
function TFileSystem.GetCatalogByName(const AName:String; ALock:Boolean; AState:LongWord):TDiskCatalog;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.GetCatalogByNext(APrevious:TDiskCatalog; ALock,AUnlock:Boolean; AState:LongWord):TDiskCatalog;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.GetNextCatalogNo:LongWord;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.GetMaxCatalogNo:LongWord;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.AddHardlink(AEntry,AParent:TDiskEntry; const AName:String; AReference:Boolean):TDiskEntry;
Description: To be documented
| Reference | Add a reference on the returned entry if True |
|---|---|
| Note | Entry and Parent must be supplied, Name has already been checked.
Descendant method must use WriterLock on Entries |
function TFileSystem.RemoveHardlink(AParent,AEntry:TDiskEntry):Boolean;
Description: To be documented
| Note | Entry and Parent must be supplied, Entry will be deleted.
Descendant method must use WriterLock on Entries |
|---|
function TFileSystem.AddMountPoint(AEntry:TDiskEntry; const ATarget:String):Boolean;
Description: To be documented
| Note | Entry must be supplied
Descendant method must use WriterLock on Entries |
|---|
function TFileSystem.RemoveMountPoint(AEntry:TDiskEntry):Boolean;
Description: To be documented
| Note | Entry must be supplied, Entry will not be deleted.
Descendant method must use WriterLock on Entries |
|---|
function TFileSystem.AddJunctionPoint(AEntry:TDiskEntry; const ATarget:String):Boolean;
Description: To be documented
| Note | Entry must be supplied
Descendant method must use WriterLock on Entries |
|---|
function TFileSystem.RemoveJunctionPoint(AEntry:TDiskEntry):Boolean;
Description: To be documented
| Note | Entry must be supplied, Entry will not be deleted.
Descendant method must use WriterLock on Entries |
|---|
function TFileSystem.AddSymbolicLink(AParent:TDiskEntry; const AName,ATarget:String; AFolder,AReference:Boolean):TDiskEntry;
Description: To be documented
| Reference | Add a reference on the returned entry if True |
|---|---|
| Note | Parent must be supplied, Name has already been checked.
Descendant method must use WriterLock on Entries |
function TFileSystem.AddSymbolicLinkEx(AParent:TDiskEntry; const AName,AAltName,ATarget:String; AFolder,AReference:Boolean):TDiskEntry;
Description: To be documented
| Reference | Add a reference on the returned entry if True |
|---|---|
| Note | Parent must be supplied, Name has already been checked.
Descendant method must use WriterLock on Entries |
function TFileSystem.RemoveSymbolicLink(AParent,AEntry:TDiskEntry):Boolean;
Description: To be documented
| Note | Entry and Parent must be supplied, Entry will be deleted.
Descendant method must use WriterLock on Entries |
|---|
function TFileSystem.SetTable(ATable:TDiskTable):Boolean;
Description: To be documented
| Note | Descendant method must use WriterLock on Tables |
|---|
function TFileSystem.SetBlock(ABlock:TDiskBlock):Boolean;
Description: To be documented
| Note | Descendant method must use WriterLock on Blocks |
|---|
function TFileSystem.SetEntry(AParent,AEntry:TDiskEntry):Boolean;
Description: To be documented
| Note | Parent must be supplied
Descendant method must use WriterLock on Entries |
|---|
function TFileSystem.SetCatalog(ACatalog:TDiskCatalog):Boolean;
Description: To be documented
| Note | Descendant method must use WriterLock on Catalogs |
|---|
function TFileSystem.SetReparse(AParent,AEntry:TDiskEntry; AReparse:TDiskReparse):Boolean;
Description: To be documented
| Note | Descendant method must use WriterLock on Entries |
|---|
function TFileSystem.SetSecurity(AParent,AEntry:TDiskEntry; ASecurity:TDiskSecurity):Boolean;
Description: To be documented
| Note | Descendant method must use WriterLock on Entries |
|---|
function TFileSystem.SizeEntry(AParent,AEntry:TDiskEntry; const ASize:Int64):Boolean;
Description: To be documented
| Note | Parent must be supplied
Descendant method must use WriterLock on Entries |
|---|
function TFileSystem.GetTable(ATableNo:LongWord):TDiskTable;
Description: To be documented
| Note | TableNo is zero based
Descendants may override if required |
|---|
function TFileSystem.GetTableEx(ATableNo:LongWord; AWrite:Boolean):TDiskTable;
Description: To be documented
| Write | Use the writer lock on the blocks instead of the reader lock if True |
|---|---|
| Note | TableNo is zero based
Descendants may override if required |
function TFileSystem.GetBlock(ABlockNo:LongWord):TDiskBlock;
Description: To be documented
| Note | BlockNo is zero based
Descendants may override if required |
|---|
function TFileSystem.GetBlockEx(ABlockNo:LongWord; AWrite:Boolean):TDiskBlock;
Description: To be documented
| Write | Use the writer lock on the blocks instead of the reader lock if True |
|---|---|
| Note | BlockNo is zero based
Descendants may override if required |
function TFileSystem.GetEntry(AParent:TDiskEntry; const AName:String; AAttributes:LongWord):TDiskEntry;
Description: To be documented
| Attributes | Attributes is the match attributes to be checked |
|---|---|
| Note | If Parent is not supplied Root is assumed |
function TFileSystem.GetEntryEx(AParent:TDiskEntry; const AName:String; AAttributes:LongWord; AAdd,ARemove,AWrite:Boolean):TDiskEntry;
Description: To be documented
| Attributes | Attributes is the match attributes to be checked |
|---|---|
| Add | Add a reference on the returned entry if True |
| Remove | Remove a reference from the parent entry if True (If supplied) |
| Write | Use the writer lock on the entries instead of the reader lock if True |
| Note | If Parent is not supplied Root is assumed |
function TFileSystem.GetCatalog(ACatalogNo:LongWord):TDiskCatalog;
Description: To be documented
| Note | CatalogNo is one based |
|---|
function TFileSystem.GetCatalogEx(ACatalogNo:LongWord; AWrite:Boolean):TDiskCatalog;
Description: To be documented
| Note | CatalogNo is one based |
|---|
function TFileSystem.GetReparse(AEntry:TDiskEntry):TDiskReparse;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.GetSecurity(AEntry:TDiskEntry):TDiskSecurity;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.MatchEntry(AParent,APrevious:TDiskEntry; const AName:String; AAttributes:LongWord; AAny:Boolean):TDiskEntry;
Description: To be documented
| Attributes | Attributes is the match attributes to be checked |
|---|---|
| Note | If Parent is not supplied Root is assumed |
function TFileSystem.MatchEntryEx(AParent,APrevious:TDiskEntry; const AName:String; AAttributes:LongWord; AAny,AAdd,ARemove,AWrite:Boolean):TDiskEntry;
Description: To be documented
| Attributes | Attributes is the match attributes to be checked |
|---|---|
| Add | Add a reference on the returned entry if True |
| Remove | Remove a reference from the previous entry if True (If supplied) |
| Write | Use the writer lock on the entries instead of the reader lock if True |
| Note | If Parent is not supplied Root is assumed |
function TFileSystem.GetEntryPath(AEntry:TDiskEntry; AAltName:Boolean):String;
Description: Get the Full Path of an Entry (Not including Entry itself)
| Note | Path ends with a trailing slash of PathChar unless Entry is a stream |
|---|
function TFileSystem.GetEntryName(AEntry:TDiskEntry; AAltName:Boolean):String;
Description: Get the Full Name of an Entry (Including Entry itself)
| Note | None documented |
|---|
function TFileSystem.SplitPath(const APath:String; var ARelative:Boolean; AFolders:TStrings; var AName:String):Boolean;
Description: Split a Path into the component parts
| Relative | Relative returns True if path is relative to current folder |
|---|
function TFileSystem.SplitName(const AName:String; var AFile,AStream:String):Boolean;
Description: Split a Name into the component parts (File and Stream)
| Name | Name must not contain drive or path components |
|---|---|
| Return | Returns False if name does not contain a stream component |
function TFileSystem.SplitFile(const AFile:String; var AName,AExt:String):Boolean;
Description: Split a File into the component parts (Name and Ext)
| File | File must not contain drive or path components |
|---|
function TFileSystem.SplitStream(const AStream:String; var AName,AType:String):Boolean;
Description: Split a Stream into the component parts (Name and Type)
| Stream | Stream must not contain drive, path or file components. |
|---|
function TFileSystem.BuildPath(ARelative:Boolean; AFolders:TLinkedStringList; const AName:String):String;
Description: Build Path from the component parts
| Relative | If Relative is True then path is relative to current folder |
|---|
function TFileSystem.BuildName(const AFile,AStream:String):String;
Description: Build a Name from the component parts (File and Stream)
| Note | None documented |
|---|
function TFileSystem.BuildFile(const AName,AExt:String):String;
Description: Build a File from the component parts (Name and Ext)
| Note | None documented |
|---|
function TFileSystem.BuildStream(const AName,AType:String):String;
Description: Build a Stream from the component parts (Name and Type)
| Note | None documented |
|---|
function TFileSystem.CheckName(const AName:String):Boolean;
Description: Performs Name validation based on File System rules
| Note | None documented |
|---|
function TFileSystem.CompareName(const AName,AMatch:String; AWildcard:Boolean):Boolean;
Description: Perform Name matching based on File System rules for Case-sensitivity etc
| Note | Also provides Wildcard matching based on File System rules |
|---|
function TFileSystem.CheckAltName(const AAltName:String):Boolean;
Description: Performs Name validation based on File System rules
| Note | None documented |
|---|
function TFileSystem.CompareAltName(const AAltName,AMatch:String; AWildcard:Boolean):Boolean;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.CheckLinkName(const AName:String):Boolean;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.GetSecurityFromDescriptor(ADescriptor:Pointer):TDiskSecurity;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.GetDescriptorFromSecurity(ASecurity:TDiskSecurity; ADescriptor:Pointer; var ASize:LongWord):Boolean;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.ReaderLock:Boolean;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.ReaderUnlock:Boolean;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.ReaderConvert:Boolean;
Description: Convert a Reader lock to a Writer lock
| Note | None documented |
|---|
function TFileSystem.WriterLock:Boolean;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.WriterUnlock:Boolean;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.WriterConvert:Boolean;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.FileSystemInit:Boolean;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.MountFileSystem:Boolean;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.DismountFileSystem:Boolean;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.InitializeFileSystem(ASectorsPerCluster:LongWord; AFileSysType:TFileSysType):Boolean;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.CreateCatalog(const AName:String; AMediaType:TMediaType; AFloppyType:TFloppyType; AAttributes:LongWord; ASectorSize:Word; const ASectorCount:Int64):LongWord;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.DeleteCatalog(ACatalogNo:LongWord):Boolean;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.FindFirstCatalog(var ASearchRec:TCatalogSearchRec):Integer;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.FindNextCatalog(var ASearchRec:TCatalogSearchRec):Integer;
Description: To be documented
| Note | None documented |
|---|
procedure TFileSystem.FindCatalogClose(var ASearchRec:TCatalogSearchRec);
Description: Close an open find Handle
| Note | None documented |
|---|
function TFileSystem.GetDriveLabel:String;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.SetDriveLabel(const ALabel:String):Boolean;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.GetDriveSerial:LongWord;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.SetDriveSerial(ASerial:LongWord):Boolean;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.GetDriveFreeSpace:LongWord;
Description: Return the Free space on Drive up to 2GB
| Note | None documented |
|---|
function TFileSystem.GetDriveFreeSpaceEx:Int64;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.GetDriveTotalSpace:LongWord;
Description: Return the Total space on Drive up to 2GB
| Note | None documented |
|---|
function TFileSystem.GetDriveTotalSpaceEx:Int64;
Description: Return the Total space on Drive up to 4TB
| Note | None documented |
|---|
function TFileSystem.GetDriveInformation(var AClusterSize:LongWord; var ATotalClusterCount,AFreeClusterCount:Int64):Boolean;
Description: To be documented
| Note | None documented |
|---|
function TFileSystem.FileOpen(const FileName:String; Mode:Integer):THandle;
Description: Open existing entry and return Handle
| Note | FileOpen can also open Folders but the handle can only be used for Get/SetFileTime
Cannot create with FileOpen |
|---|
function TFileSystem.FileCreate(const FileName:String; Mode:Integer = fmOpenReadWrite or fmShareExclusive):THandle;
Description: Create new entry or truncate existing entry and return Handle
| Note | Cannot create Folders with FileCreate |
|---|
function TFileSystem.DeleteFile(const FileName:String):Boolean;
Description: Delete existing entry
| Note | None documented |
|---|
procedure TFileSystem.FileClose(Handle:Integer);
Description: Close open handle
| Note | None documented |
|---|
function TFileSystem.RenameFile(const OldName,NewName:String):Boolean;
Description: Rename existing entry
| Note | If 8.3 then modify entry if Long then create new entry, delete existing. |
|---|
function TFileSystem.FileSeek(Handle:THandle; Offset,Origin:LongInt):LongInt;
Description: Move the position of an open handle
| Note | None documented |
|---|
function TFileSystem.FileSeekEx(Handle:THandle; const Offset:Int64; Origin:LongInt):Int64;
Description: Move the position of an open handle
| Note | File Seeks can extend the size if OpenMode is Write or ReadWrite |
|---|
function TFileSystem.FileFlush(Handle:Integer):Boolean;
Description: Flush an open handle from Cache
| Note | Currently just flushes the Cache |
|---|
function TFileSystem.FileTruncate(Handle:Integer):Boolean;
Description: Truncate an open file at the current position
| Note | Can extend a file as well as truncate |
|---|
function TFileSystem.FilePos(Handle:THandle):LongInt;
Description: Return the position of an open Handle
| Note | None documented |
|---|
function TFileSystem.FilePosEx(Handle:THandle):Int64;
Description: Return the position of an open Handle
| Note | None documented |
|---|
function TFileSystem.FileGetAttr(const FileName:String):Integer;
Description: Get the attributes of an existing entry
| Note | None documented |
|---|
function TFileSystem.FileGetDate(Handle:Integer):Integer;
Description: Get the date/time of an existing entry with an open Handle
| Note | Returned time is converted to Local |
|---|
function TFileSystem.FileGetSize(Handle:THandle):LongInt;
Description: Get the size of an existing entry with an open Handle
| Note | None documented |
|---|
function TFileSystem.FileGetSizeEx(Handle:THandle):Int64;
Description: Get the size of an existing entry with an open Handle
| Note | None documented |
|---|
function TFileSystem.FileSetAttr(const FileName:String; Attr:Integer):Integer;
Description: Set the attributes of an existing entry
| Note | File attributes can be set regardless of existing Handles |
|---|
function TFileSystem.FileSetDate(Handle:Integer; Age:Integer):Integer;
Description: Set the date/time of an existing entry with an open Handle
| Note | Passed time is assumed to be Local and is converted to UTC |
|---|
function TFileSystem.FileSetSize(Handle:THandle; Size:LongInt):LongInt;
Description: Set the size of an existing entry with an open Handle
| Note | None documented |
|---|
function TFileSystem.FileSetSizeEx(Handle:THandle; const Size:Int64):LongInt;
Description: Set the size of an existing entry with Open handle
| Note | None documented |
|---|
function TFileSystem.FileRead(Handle:THandle; var Buffer;Count:LongInt):LongInt;
Description: Read data from an existing entry with an open Handle
| Note | Position may be beyond the end of the file
A read from beyond the end of the file will return 0 bytes |
|---|
function TFileSystem.FileWrite(Handle:THandle; const Buffer; Count:LongInt):LongInt;
Description: Write data to an existing entry with an open Handle
| Note | Position may be beyond the end of the file
A write to beyond the end of the file will succeed and Size will be Position plus Count |
|---|
function TFileSystem.CreateDir(const DirName:String):Boolean;
Description: Create a new entry
| Note | No File or Stream support |
|---|
function TFileSystem.RemoveDir(const DirName:String):Boolean;
Description: Delete an existing entry
| Note | No File or Stream support |
|---|
function TFileSystem.GetCurrentDir:String;
Description: Return the current directory
| Note | No File or Stream support |
|---|
function TFileSystem.SetCurrentDir(const DirName:String):Boolean;
Description: Set the current directory to an existing entry}{No File or Stream support
| Note | None documented |
|---|
function TFileSystem.FindFirstEx(const Path:String; var SearchRec:TFileSearchRec):Integer;
Description: Find existing entries matching the specifications
| Note | None documented |
|---|
function TFileSystem.FindNextEx(var SearchRec:TFileSearchRec):Integer;
Description: Continue Finding existing entries matching the specifications
| Note | None documented |
|---|
procedure TFileSystem.FindCloseEx(var SearchRec:TFileSearchRec);
Description: Close an open find Handle
| Note | None documented |
|---|
function TFileSystem.FindFirstStream(const FileName:String; var SearchRec:TStreamSearchRec):Integer;
Description: Find existing streams matching the specifications
| Note | This does not return the default data stream for files |
|---|
function TFileSystem.FindNextStream(var SearchRec:TStreamSearchRec):Integer;
Description: Continue finding existing streams matching the specifications
| Note | This does not return the default data stream for files |
|---|
procedure TFileSystem.FindStreamClose(var SearchRec:TStreamSearchRec);
Description: Close an open find Handle
| Note | None documented |
|---|
function TFileSystem.FindFirstFileName(const FileName:String; var SearchRec:TLinkSearchRec):Integer;
Description: Find existing file names matching the specifications
| Note | None documented |
|---|
function TFileSystem.FindNextFileName(var SearchRec:TLinkSearchRec):Integer;
Description: Continue finding existing file names matching the specifications
| Note | None documented |
|---|
procedure TFileSystem.FindFileNameClose(var SearchRec:TLinkSearchRec);
Description: Close an open find Handle
| Note | None documented |
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function TFileSystem.CreateHardLink(const LinkName,FileName:String):Boolean;
Description: To be documented
| Note | Link must not exist, File must exist and must be a file. Both must be on the same volume. |
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function TFileSystem.DeleteHardLink(const LinkName:String):Boolean;
Description: To be documented
| Note | Link must exist and must be a file |
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function TFileSystem.CreateMountPoint(const PathName,VolumeName:String):Boolean;
Description: To be documented
| Note | Path must exist and must be a folder, Volume value is not checked. |
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function TFileSystem.DeleteMountPoint(const PathName:String):Boolean;
Description: To be documented
| Note | Path must exist and must be a folder |
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function TFileSystem.CreateJunctionPoint(const PathName,FolderName:String):Boolean;
Description: To be documented
| Note | Path must exist and must be a folder, Folder value is not checked. |
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function TFileSystem.DeleteJunctionPoint(const PathName:String):Boolean;
Description: To be documented
| Note | Path must exist and must be a folder |
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function TFileSystem.CreateSymbolicLink(const LinkName,TargetName:String; Directory:Boolean):Boolean;
Description: To be documented
| Note | Link must not exist, Target value is not checked. |
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function TFileSystem.CreateSymbolicLinkEx(const LinkName,ShortName,TargetName:String; Directory:Boolean):Boolean;
Description: To be documented
| Note | Link must not exist, Target value is not checked. |
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function TFileSystem.DeleteSymbolicLink(const LinkName:String):Boolean;
Description: To be documented
| Note | Link must exist |
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function TFileSystem.GetMountPointTarget(const PathName:String):String;
Description: To be documented
| Note | None documented |
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function TFileSystem.GetJunctionPointTarget(const PathName:String):String;
Description: To be documented
| Note | None documented |
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function TFileSystem.GetSymbolicLinkTarget(const LinkName:String):String;
Description: To be documented
| Note | None documented |
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function TFileSystem.SetFileShortName(const FileName,ShortName:String):Boolean;
Description: To be documented
| Note | No Stream Support |
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function TFileSystem.SetFileShortNameEx(Handle:Integer; const ShortName:String):Boolean;
Description: To be documented
| Note | No Stream Support |
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function TFileSystem.GetFileSecurity(const FileName:String; Descriptor:Pointer; var Size:LongWord):Boolean;
Description: To be documented
| Note | None documented |
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function TFileSystem.SetFileSecurity(const FileName:String; Descriptor:Pointer):Boolean;
Description: To be documented
| Note | None documented |
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function TFileSystem.GetPathName(const FileName:String):String;
Description: Get the path from the supplied name (Does not include trailing slash)
| Note | None documented |
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function TFileSystem.GetShortName(const FileName:String):String;
Description: Convert the supplied name to its Short name form
| Note | None documented |
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function TFileSystem.GetLongName(const FileName:String):String;
Description: Convert the supplied name to its Long name form
| Note | None documented |
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function TFileSystem.GetTrueName(const FileName:String):String;
Description: Convert the supplied name to its True name form
| Note | Almost the same as GetShortName function |
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function TFileSystem.FileCreateEx(const FileName,ShortName:String; Mode:Integer = fmOpenReadWrite or fmShareExclusive):THandle;
Description: Create new entry or truncate existing entry and return Handle
| Note | Cannot create Folders with FileCreateEx
ShortName does not apply to Streams |
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function TFileSystem.CreateDirEx(const DirName,ShortName:String):Boolean;
Description: Create a new entry}{No File or Stream support
| Note | None documented |
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function TFileSystem.FileGetAttrEx(Handle:Integer):Integer;
Description: Get the Attributes of an existing entry with an open Handle
| Note | None documented |
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function TFileSystem.FileGetDateEx(Handle:Integer):TFileTime;
Description: Get the Date/Time of an existing entry with an open Handle
| Note | Returned time is UTC |
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function TFileSystem.FileSetDateEx(Handle:Integer; Age:TFileTime):Integer;
Description: Set the Date/Time of an existing entry with an open Handle
| Note | Passed time is assumed to be UTC |
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function TFileSystem.GetFileTime(Handle:Integer; CreateTime,AccessTime,ModifyTime:PFileTime):Boolean;
Description: Get the Dates and Times of an existing entry with an open Handle
| Note | Returned time is UTC |
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function TFileSystem.SetFileTime(Handle:Integer; CreateTime,AccessTime,ModifyTime:PFileTime):Boolean;
Description: Set the Dates and Times of an existing entry with an open Handle
| Note | Passed times are assumed to be UTC and are converted to Local |
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function TFileSystem.CloseFile(Handle:THandle):Boolean;
Description: Close open handle
| Note | Equivalent to Win32 CloseHandle |
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