Class TStream

Description
Hierarchy
Methods
Properties

Unit

mclasses

Declaration

type TStream = class(TObject)

Description

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Hierarchy

Overview

Methods

Protected procedure InvalidSeek; virtual;
Protected procedure Discard(const Count: Int64);
Protected procedure DiscardLarge(Count: int64; const MaxBufferSize: Longint);
Protected procedure FakeSeekForward(Offset: Int64; const Origin: TSeekOrigin; const Pos: Int64);
Protected function GetPosition: Int64; virtual;
Protected procedure SetPosition(const Pos: Int64); virtual;
Protected function GetSize: Int64; virtual;
Protected procedure SetSize64(const NewSize: Int64); virtual;
Protected procedure SetSize(NewSize: Longint); overload; virtual;
Protected procedure SetSize(const NewSize: Int64); overload; virtual;
Protected procedure ReadNotImplemented;
Protected procedure WriteNotImplemented;
Protected function getmemory: pointer; virtual;
Public function Read(var Buffer; Count: Longint): Longint; virtual; overload;
Public function Write(const Buffer; Count: Longint): Longint; virtual; overload;
Public function read(var buffer; const count: longint; out acount: longint): syserrorty; virtual; overload;
Public function write(const buffer; const count: longint; out acount: longint): syserrorty; virtual; overload;
Public function Seek(Offset: Longint; Origin: Word): Longint; overload; virtual;
Public function Seek(const Offset: Int64; Origin: TSeekOrigin): Int64; overload; virtual;
Public function seek(const offset: int64; const origin: tseekorigin; out newpos: int64): syserrorty; overload; virtual;
Public procedure ReadBuffer(var Buffer; Count: Longint);
Public function tryreadbuffer(var buffer; count: longint): syserrorty;
Public procedure WriteBuffer(const Buffer; Count: Longint);
Public function trywritebuffer(const buffer; count: longint): syserrorty;
Public function readdatastring: string; virtual;
Public procedure writedatastring(const value: rawbytestring); virtual;
Public function CopyFrom(Source: TStream; Count: Int64): Int64;
Public function ReadComponent(Instance: TComponent): TComponent;
Public function ReadComponentRes(Instance: TComponent): TComponent;
Public procedure WriteComponent(Instance: TComponent);
Public procedure WriteComponentRes(const ResName: string; Instance: TComponent);
Public procedure WriteDescendent(Instance, Ancestor: TComponent);
Public procedure WriteDescendentRes(const ResName: string; Instance, Ancestor: TComponent);
Public procedure WriteResourceHeader(const ResName: string; var FixupInfo: Integer);
Public procedure FixupResourceHeader(FixupInfo: Integer);
Public procedure ReadResHeader;
Public function ReadByte: Byte;
Public function ReadWord: Word;
Public function ReadDWord: Cardinal;
Public function ReadQWord: QWord;
Public function ReadAnsiString: String;
Public procedure WriteByte(b : Byte);
Public procedure WriteWord(w : Word);
Public procedure WriteDWord(d : Cardinal);
Public procedure WriteQWord(q : QWord);
Public Procedure WriteAnsiString(const S : String);

Properties

Public property Position: Int64 read GetPosition write SetPosition;
Public property Size: Int64 read GetSize write SetSize64;
Public property memory: pointer read getmemory;

Description

Methods

Protected procedure InvalidSeek; virtual;

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Protected procedure Discard(const Count: Int64);

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Protected procedure DiscardLarge(Count: int64; const MaxBufferSize: Longint);

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Protected procedure FakeSeekForward(Offset: Int64; const Origin: TSeekOrigin; const Pos: Int64);

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Protected function GetPosition: Int64; virtual;

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Protected procedure SetPosition(const Pos: Int64); virtual;

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Protected function GetSize: Int64; virtual;

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Protected procedure SetSize64(const NewSize: Int64); virtual;

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Protected procedure SetSize(NewSize: Longint); overload; virtual;

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Protected procedure SetSize(const NewSize: Int64); overload; virtual;

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Protected procedure ReadNotImplemented;

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Protected procedure WriteNotImplemented;

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Protected function getmemory: pointer; virtual;

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Public function Read(var Buffer; Count: Longint): Longint; virtual; overload;

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Public function Write(const Buffer; Count: Longint): Longint; virtual; overload;

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Public function read(var buffer; const count: longint; out acount: longint): syserrorty; virtual; overload;

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Public function write(const buffer; const count: longint; out acount: longint): syserrorty; virtual; overload;

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Public function Seek(Offset: Longint; Origin: Word): Longint; overload; virtual;

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Public function Seek(const Offset: Int64; Origin: TSeekOrigin): Int64; overload; virtual;

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Public function seek(const offset: int64; const origin: tseekorigin; out newpos: int64): syserrorty; overload; virtual;

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Public procedure ReadBuffer(var Buffer; Count: Longint);

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Public function tryreadbuffer(var buffer; count: longint): syserrorty;

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Public procedure WriteBuffer(const Buffer; Count: Longint);

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Public function trywritebuffer(const buffer; count: longint): syserrorty;

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Public function readdatastring: string; virtual;

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Public procedure writedatastring(const value: rawbytestring); virtual;

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Public function CopyFrom(Source: TStream; Count: Int64): Int64;

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Public function ReadComponent(Instance: TComponent): TComponent;

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Public function ReadComponentRes(Instance: TComponent): TComponent;

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Public procedure WriteComponent(Instance: TComponent);

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Public procedure WriteComponentRes(const ResName: string; Instance: TComponent);

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Public procedure WriteDescendent(Instance, Ancestor: TComponent);

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Public procedure WriteDescendentRes(const ResName: string; Instance, Ancestor: TComponent);

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Public procedure WriteResourceHeader(const ResName: string; var FixupInfo: Integer);

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Public procedure FixupResourceHeader(FixupInfo: Integer);

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Public procedure ReadResHeader;

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Public function ReadByte: Byte;

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Public function ReadWord: Word;

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Public function ReadDWord: Cardinal;

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Public function ReadQWord: QWord;

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Public function ReadAnsiString: String;

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Public procedure WriteByte(b : Byte);

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Public procedure WriteWord(w : Word);

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Public procedure WriteDWord(d : Cardinal);

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Public procedure WriteQWord(q : QWord);

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Public Procedure WriteAnsiString(const S : String);

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Properties

Public property Position: Int64 read GetPosition write SetPosition;

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Public property Size: Int64 read GetSize write SetSize64;

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Public property memory: pointer read getmemory;

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