Return to Unit NTFSClass
Description
To be documented
Class definitions
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TNTFSDiskItem = class(TListObject)
| Note: Data of attribute $ATTRIBUTE_LIST
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constructor Create(ALocalLock:TMutexHandle; AParent:TNTFSDiskAttribute);
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destructor Destroy; override;
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private
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FLocalLock:TMutexHandle;
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FStatus:LongWord;
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FItemSize:Word;
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Record length
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FStartVCN:Int64;
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Starting VCN if non resident
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FFileReference:Int64;
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File Reference of the attribute
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FAttributeType:LongWord;
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Attribute Type
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FAttributeId:Word;
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Attribute Id
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FAttributeName:String;
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Name in Unicode (if NameLength > 0)
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FParent:TNTFSDiskAttribute;
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Attribute list owning this item
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FAttribute:TNTFSDiskAttribute;
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Attribute pointed to by this item
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FAttributeHash:LongWord;
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function AcquireLock:Boolean;
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function ReleaseLock:Boolean;
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function GetInvalid:Boolean;
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procedure SetInvalid(AValue:Boolean);
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function GetAttributeName:String;
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procedure SetAttributeName(const AAttributeName:String);
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procedure SetAttribute(AAttribute:TNTFSDiskAttribute);
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function Compare(AItem:TNTFSDiskItem):Integer; virtual;
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public
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property Invalid:Boolean read GetInvalid write SetInvalid;
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Item points to invalid file record or attribute
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property ItemSize:Word read FItemSize write FItemSize;
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property StartVCN:Int64 read FStartVCN write FStartVCN;
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property FileReference:Int64 read FFileReference write FFileReference;
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property AttributeType:LongWord read FAttributeType write FAttributeType;
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property AttributeId:Word read FAttributeId write FAttributeId;
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property AttributeName:String read GetAttributeName write SetAttributeName;
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property Parent:TNTFSDiskAttribute read FParent;
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property Attribute:TNTFSDiskAttribute read FAttribute write SetAttribute;
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property AttributeHash:LongWord read FAttributeHash;
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function RecordNumber:Int64;
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function AttributeNameSize:Word;
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function AttributeNameLength:Byte;
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Name length
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function AttributeNameOffset:Byte;
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Offset to Name
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function UpdateItem:Boolean;
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function CalculatedSize(AVersion:Word):Word;
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function ReadItem(ABuffer:Pointer; var AOffset,ASize:LongWord; AVersion:Word):Boolean;
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function WriteItem(ABuffer:Pointer; var AOffset,ASize:LongWord; AVersion:Word):Boolean;
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Function declarations
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constructor TNTFSDiskItem.Create(ALocalLock:TMutexHandle; AParent:TNTFSDiskAttribute);
Description: To be documented
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destructor TNTFSDiskItem.Destroy;
Description: To be documented
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function TNTFSDiskItem.AcquireLock:Boolean;
Description: To be documented
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function TNTFSDiskItem.ReleaseLock:Boolean;
Description: To be documented
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function TNTFSDiskItem.GetInvalid:Boolean;
Description: To be documented
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procedure TNTFSDiskItem.SetInvalid(AValue:Boolean);
Description: To be documented
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function TNTFSDiskItem.GetAttributeName:String;
Description: To be documented
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procedure TNTFSDiskItem.SetAttributeName(const AAttributeName:String);
Description: To be documented
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procedure TNTFSDiskItem.SetAttribute(AAttribute:TNTFSDiskAttribute);
Description: To be documented
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function TNTFSDiskItem.Compare(AItem:TNTFSDiskItem):Integer;
Description: Compare item by type, name and vcn for sort order
| Note
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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
Name is compared using a case insensitive compare method
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function TNTFSDiskItem.RecordNumber:Int64;
Description: To be documented
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function TNTFSDiskItem.AttributeNameSize:Word;
Description: To be documented
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function TNTFSDiskItem.AttributeNameLength:Byte;
Description: To be documented
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function TNTFSDiskItem.AttributeNameOffset:Byte;
Description: To be documented
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function TNTFSDiskItem.UpdateItem:Boolean;
Description: To be documented
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function TNTFSDiskItem.CalculatedSize(AVersion:Word):Word;
Description: To be documented
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Calculated Size includes any rounding required for alignment
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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
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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
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