Difference between revisions of "TNTFSDiskItem"
From Ultibo.org
(Created page with "Return to Unit NTFSClass __TOC__ === Description === ---- ''To be documented'' === Class definitions === ---- <div class="toccolours mw-collapsible m...") |
(No difference)
|
Latest revision as of 06:00, 24 May 2018
Return to Unit NTFSClass
Description
To be documented
Class definitions
TNTFSDiskItem = class(TListObject)
| Note: Data of attribute $ATTRIBUTE_LIST | |
constructor Create(ALocalLock:TMutexHandle; AParent:TNTFSDiskAttribute);
|
|
destructor Destroy; override;
|
|
private
| |
FLocalLock:TMutexHandle;
|
|
FStatus:LongWord;
|
|
FItemSize:Word;
|
Record length |
FStartVCN:Int64;
|
Starting VCN if non resident |
FFileReference:Int64;
|
File Reference of the attribute |
FAttributeType:LongWord;
|
Attribute Type |
FAttributeId:Word;
|
Attribute Id |
FAttributeName:String;
|
Name in Unicode (if NameLength > 0) |
FParent:TNTFSDiskAttribute;
|
Attribute list owning this item |
FAttribute:TNTFSDiskAttribute;
|
Attribute pointed to by this item |
FAttributeHash:LongWord;
|
|
function AcquireLock:Boolean;
|
|
function ReleaseLock:Boolean;
|
|
function GetInvalid:Boolean;
|
|
procedure SetInvalid(AValue:Boolean);
|
|
function GetAttributeName:String;
|
|
procedure SetAttributeName(const AAttributeName:String);
|
|
procedure SetAttribute(AAttribute:TNTFSDiskAttribute);
|
|
function Compare(AItem:TNTFSDiskItem):Integer; virtual;
|
|
public
| |
property Invalid:Boolean read GetInvalid write SetInvalid;
|
Item points to invalid file record or attribute |
property ItemSize:Word read FItemSize write FItemSize;
|
|
property StartVCN:Int64 read FStartVCN write FStartVCN;
|
|
property FileReference:Int64 read FFileReference write FFileReference;
|
|
property AttributeType:LongWord read FAttributeType write FAttributeType;
|
|
property AttributeId:Word read FAttributeId write FAttributeId;
|
|
property AttributeName:String read GetAttributeName write SetAttributeName;
|
|
property Parent:TNTFSDiskAttribute read FParent;
|
|
property Attribute:TNTFSDiskAttribute read FAttribute write SetAttribute;
|
|
property AttributeHash:LongWord read FAttributeHash;
|
|
function RecordNumber:Int64;
|
|
function AttributeNameSize:Word;
|
|
function AttributeNameLength:Byte;
|
Name length |
function AttributeNameOffset:Byte;
|
Offset to Name |
function UpdateItem:Boolean;
|
|
function CalculatedSize(AVersion:Word):Word;
|
|
function ReadItem(ABuffer:Pointer; var AOffset,ASize:LongWord; AVersion:Word):Boolean;
|
|
function WriteItem(ABuffer:Pointer; var AOffset,ASize:LongWord; AVersion:Word):Boolean;
|
|
Function declarations
constructor TNTFSDiskItem.Create(ALocalLock:TMutexHandle; AParent:TNTFSDiskAttribute);
Description: To be documented
| Note | None documented |
|---|
destructor TNTFSDiskItem.Destroy;
Description: To be documented
| Note | None documented |
|---|
function TNTFSDiskItem.AcquireLock:Boolean;
Description: To be documented
| Note | None documented |
|---|
function TNTFSDiskItem.ReleaseLock:Boolean;
Description: To be documented
| Note | None documented |
|---|
function TNTFSDiskItem.GetInvalid:Boolean;
Description: To be documented
| Note | None documented |
|---|
procedure TNTFSDiskItem.SetInvalid(AValue:Boolean);
Description: To be documented
| Note | None documented |
|---|
function TNTFSDiskItem.GetAttributeName:String;
Description: To be documented
| Note | None documented |
|---|
procedure TNTFSDiskItem.SetAttributeName(const AAttributeName:String);
Description: To be documented
| Note | None documented |
|---|
procedure TNTFSDiskItem.SetAttribute(AAttribute:TNTFSDiskAttribute);
Description: To be documented
| Note | None documented |
|---|
function TNTFSDiskItem.Compare(AItem:TNTFSDiskItem):Integer;
Description: Compare item by type, name and vcn for sort order
| Note | The passed item is the first value in a standard compare
Id is not used for sort order as it is unique per file record
|
|---|
function TNTFSDiskItem.RecordNumber:Int64;
Description: To be documented
| Note | None documented |
|---|
function TNTFSDiskItem.AttributeNameSize:Word;
Description: To be documented
| Note | None documented |
|---|
function TNTFSDiskItem.AttributeNameLength:Byte;
Description: To be documented
| Note | None documented |
|---|
function TNTFSDiskItem.AttributeNameOffset:Byte;
Description: To be documented
| Note | None documented |
|---|
function TNTFSDiskItem.UpdateItem:Boolean;
Description: To be documented
| Note | None documented |
|---|
function TNTFSDiskItem.CalculatedSize(AVersion:Word):Word;
Description: To be documented
| Note | Calculated Size includes any rounding required for alignment |
|---|
function TNTFSDiskItem.ReadItem(ABuffer:Pointer; var AOffset,ASize:LongWord; AVersion:Word):Boolean;
Description: Read the item data from the supplied buffer at the supplied offset
| Note | None documented |
|---|
function TNTFSDiskItem.WriteItem(ABuffer:Pointer; var AOffset,ASize:LongWord; AVersion:Word):Boolean;
Description: Write the item data to the supplied buffer at the supplied offset
| Note | None documented |
|---|
Return to Unit Reference
