Difference between revisions of "TDiskVolume"

Latest revision as of 04:53, 29 January 2025

`constructor Create(ADriver:TFileSysDriver; ADevice:TDiskDevice; APartition:TDiskPartition; AVolumeNo:Integer);`
`destructor Destroy; override;`
private
`FLock:TSynchronizerHandle;`
`FLocalLock:TMutexHandle;`
protected
`FDriver:TFileSysDriver;`
`FDevice:TDiskDevice;`
`FPartition:TDiskPartition;`

`FVolumeNo:Integer;`	\Volume1 , \Volume2, etc - See Notes
`FSegmentNo:Integer;`	Segment0, Segment1 etc - for Multiple Segment volumes (eg Netware)

`FDriveType:TDriveType;`

`FFileSystem:TFileSystem;`

`FRemovable:Boolean;`	Volume is Removable - Set by VolumeInit
`FRecognizable:Boolean;`	Volume allows Recognize Volume
`FRecognized:Boolean;`	Recognized Volume - Set by Recognizer

`FSectorSize:Word;`	Sector Size of Device
`FStartSector:Int64;`	Absolute Start Sector on Device
`FSectorCount:LongWord;`	Total Sectors in Volume
`FSectorShiftCount:Word;`	Sectors to Bytes Shift Count

`function AcquireLock:Boolean;`
`function ReleaseLock:Boolean;`

`function GetName:String;`
`function GetParent:String;`

`function GetMaxFile:Integer;`
`function GetMaxPath:Integer;`
`function GetAttributes:LongWord;`
`function GetSystemName:String;`
`function GetVolumeName:String;`
`function GetVolumeGUID:String;`
`function GetVolumeSerial:LongWord;`
`function GetFileSysType:TFileSysType;`

`procedure SetFileSystem(AFileSystem:TFileSystem);`

`function GetSectorSize:Word;`
`function GetStartSector:Int64;`
`function GetSectorCount:LongWord;`
`function GetSectorShiftCount:Word;`

`function MediaTypeToDriveType(AMediaType:TMediaType):TDriveType;`

`function GetBootRecord(ARecord:Pointer,ASector:LongWord):Boolean; virtual;`
`function SetBootRecord(ARecord:Pointer,ASector:LongWord):Boolean; virtual;`
public
`property Name:String read GetName;`
`property Parent:String read GetParent;`
`property Device:TDiskDevice read FDevice;`
`property Partition:TDiskPartition read FPartition;`
`property VolumeNo:Integer read FVolumeNo;`
`property SegmentNo:Integer read FSegmentNo;`

`property MaxFile:Integer read GetMaxFile;`
`property MaxPath:Integer read GetMaxPath;`
`property Attributes:LongWord read GetAttributes;`
`property SystemName:String read GetSystemName;`
`property VolumeName:String read GetVolumeName;`
`property VolumeGUID:String read GetVolumeGUID;`
`property VolumeSerial:LongWord read GetVolumeSerial;`

`property DriveType:TDriveType read FDriveType;`
`property FileSysType:TFileSysType read GetFileSysType;`

`property FileSystem:TFileSystem read FFileSystem write SetFileSystem;`

`property Removable:Boolean read FRemovable;`
`property Recognizable:Boolean read FRecognizable;`
`property Recognized:Boolean read FRecognized write FRecognized;`

`property SectorSize:Word read GetSectorSize;`
`property StartSector:Int64 read GetStartSector;`
`property SectorCount:LongWord read GetSectorCount;`
`property SectorShiftCount:Word read GetSectorShiftCount;`

`function ReaderLock:Boolean;`
`function ReaderUnlock:Boolean;`
`function WriterLock:Boolean;`
`function WriterUnlock:Boolean;`

`function VolumeInit:Boolean; virtual;`

`function CreateDrive(ADriveNo:Integer):TDiskDrive; virtual;`
`function DeleteDrive(ADrive:TDiskDrive):Boolean; virtual;`

`function MountVolume(ADriveNo:Integer):Boolean; virtual;`
`function DismountVolume:Boolean; virtual;`
`function FormatVolume(AFloppyType:TFloppyType; AFileSysType:TFileSysType):Boolean; virtual;`
`function DefragmentVolume:Boolean; virtual;`
`function ConvertVolume(AFileSysType:TFileSysType):Boolean; virtual;`
`function RepairVolume:Boolean; virtual;`
`function CopyVolume(ADest:TDiskVolume):Boolean; virtual;`
`function ShrinkVolume(const AStart,ASize:Int64):Boolean; virtual;`
`function ExpandVolume(const AStart,ASize:Int64):Boolean; virtual;`

`function OpenVolume(AMode:Integer):THandle; virtual;`
`procedure CloseVolume(AHandle:THandle); virtual;`
`function ReadVolume(AHandle:THandle; var ABuffer; ACount:Integer):Integer; virtual;`
`function WriteVolume(AHandle:THandle; const ABuffer; ACount:Integer):Integer; virtual;`
`function SeekVolume(AHandle:THandle; const AOffset:Int64; AOrigin:Integer):Int64; virtual;`	;

Function declarations

[Expand]

constructor TDiskVolume.Create(ADriver:TFileSysDriver; ADevice:TDiskDevice; APartition:TDiskPartition; AVolumeNo:Integer);

Description: To be documented

[Expand]

destructor TDiskVolume.Destroy;

Description: To be documented

[Expand]

function TDiskVolume.AcquireLock:Boolean;

Description: To be documented

[Expand]

function TDiskVolume.ReleaseLock:Boolean;

Description: To be documented

[Expand]

function TDiskVolume.GetName:String;

Description: To be documented

[Expand]

function TDiskVolume.GetParent:String;

Description: To be documented

[Expand]

function TDiskVolume.GetMaxFile:Integer;

Description: Get MaxFile from FileSystem if Mounted

[Expand]

function TDiskVolume.GetMaxPath:Integer;

Description: Get MaxPath from FileSystem if Mounted

[Expand]

function TDiskVolume.GetAttributes:LongWord;

Description: Get Attributes from FileSystem if Mounted

[Expand]

function TDiskVolume.GetSystemName:String;

Description: Get SystemName from FileSystem if Mounted

[Expand]

function TDiskVolume.GetVolumeName:String;

Description: Get VolumeName from FileSystem if Mounted

[Expand]

function TDiskVolume.GetVolumeGUID:String;

Description: Get VolumeGUID from FileSystem if Mounted

[Expand]

function TDiskVolume.GetVolumeSerial:LongWord;

Description: Get VolumeSerial from FileSystem if Mounted

[Expand]

function TDiskVolume.GetFileSysType:TFileSysType;

Description: Get FileSysType from FileSystem if Mounted

[Expand]

procedure TDiskVolume.SetFileSystem(AFileSystem:TFileSystem);

Description: Set the FileSystem and Reinitialize the Volume

[Expand]

function TDiskVolume.GetSectorSize:Word;

Description: Get SectorSize from FileSystem (Mounted) or Volume (Not Mounted)

[Expand]

function TDiskVolume.GetStartSector:Int64;

Description: Get StartSector from FileSystem (Mounted) or Volume (Not Mounted)

[Expand]

function TDiskVolume.GetSectorCount:LongWord;

Description: Get SectorCount from FileSystem (Mounted) or Volume (Not Mounted)

[Expand]

function TDiskVolume.GetSectorShiftCount:Word;

Description: To be documented

[Expand]

function TDiskVolume.MediaTypeToDriveType(AMediaType:TMediaType):TDriveType;

Description: To be documented

[Expand]

function TDiskVolume.ReaderLock:Boolean;

Description: To be documented

[Expand]

function TDiskVolume.ReaderUnlock:Boolean;

Description: To be documented

[Expand]

function TDiskVolume.WriterLock:Boolean;

Description: To be documented

[Expand]

function TDiskVolume.WriterUnlock:Boolean;

Description: To be documented

[Expand]

function TDiskVolume.VolumeInit:Boolean;

Description: To be documented

[Expand]

function TDiskVolume.CreateDrive(ADriveNo:Integer):TDiskDrive;

Description: To be documented

[Expand]

function TDiskVolume.DeleteDrive(ADrive:TDiskDrive):Boolean;

Description: To be documented

[Expand]

function TDiskVolume.MountVolume(ADriveNo:Integer):Boolean;

Description: To be documented

[Expand]

function TDiskVolume.DismountVolume:Boolean;

Description: To be documented

[Expand]

function TDiskVolume.FormatVolume(AFloppyType:TFloppyType; AFileSysType:TFileSysType):Boolean;

Description: To be documented

[Expand]

function TDiskVolume.DefragmentVolume:Boolean;

Description: To be documented

[Expand]

function TDiskVolume.ConvertVolume(AFileSysType:TFileSysType):Boolean;

Description: To be documented

[Expand]

function TDiskVolume.RepairVolume:Boolean;

Description: To be documented

[Expand]

function TDiskVolume.CopyVolume(ADest:TDiskVolume):Boolean;

Description: To be documented

[Expand]

function TDiskVolume.ShrinkVolume(const AStart,ASize:Int64):Boolean;

Description: To be documented

[Expand]

function TDiskVolume.ExpandVolume(const AStart,ASize:Int64):Boolean;

Description: To be documented

[Expand]

function TDiskVolume.OpenVolume(AMode:Integer):THandle;

Description: To be documented

[Expand]

procedure TDiskVolume.CloseVolume(AHandle:THandle);

Description: To be documented

[Expand]

function TDiskVolume.ReadVolume(AHandle:THandle; var ABuffer; ACount:Integer):Integer;

Description: To be documented

[Expand]

function TDiskVolume.WriteVolume(AHandle:THandle; const ABuffer; ACount:Integer):Integer;

Description: To be documented

[Expand]

function TDiskVolume.SeekVolume(AHandle:THandle; const AOffset:Int64; AOrigin:Integer):Int64;

Description: To be documented

Return to Unit Reference

@@ Line 756: / Line 756: @@
 <br />
 <div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
-<pre style="border: 0; padding-bottom:0px;">function TDiskVolume.OpenVolume(AMode:Integer):THandle; virtual;</pre>
+<pre style="border: 0; padding-bottom:0px;">function TDiskVolume.OpenVolume(AMode:Integer):THandle;</pre>
 <div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 <div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
@@ Line 768: / Line 768: @@
 <br />
 <div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
-<pre style="border: 0; padding-bottom:0px;">procedure TDiskVolume.CloseVolume(AHandle:THandle); virtual;</pre>
+<pre style="border: 0; padding-bottom:0px;">procedure TDiskVolume.CloseVolume(AHandle:THandle);</pre>
 <div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 <div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
@@ Line 780: / Line 780: @@
 <br />
 <div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
-<pre style="border: 0; padding-bottom:0px;">function TDiskVolume.ReadVolume(AHandle:THandle; var ABuffer; ACount:Integer):Integer; virtual;</pre>
+<pre style="border: 0; padding-bottom:0px;">function TDiskVolume.ReadVolume(AHandle:THandle; var ABuffer; ACount:Integer):Integer;</pre>
 <div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 <div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
@@ Line 792: / Line 792: @@
 <br />
 <div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
-<pre style="border: 0; padding-bottom:0px;">function TDiskVolume.WriteVolume(AHandle:THandle; const ABuffer; ACount:Integer):Integer; virtual;</pre>
+<pre style="border: 0; padding-bottom:0px;">function TDiskVolume.WriteVolume(AHandle:THandle; const ABuffer; ACount:Integer):Integer;</pre>
 <div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 <div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
@@ Line 804: / Line 804: @@
 <br />
 <div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
-<pre style="border: 0; padding-bottom:0px;">function TDiskVolume.SeekVolume(AHandle:THandle; const AOffset:Int64; AOrigin:Integer):Int64; virtual;</pre>
+<pre style="border: 0; padding-bottom:0px;">function TDiskVolume.SeekVolume(AHandle:THandle; const AOffset:Int64; AOrigin:Integer):Int64;</pre>
 <div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 <div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">

Difference between revisions of "TDiskVolume"

Latest revision as of 04:53, 29 January 2025

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