TBinaryObjectWriter

[Properties (by Name)][Methods (by Name)][Events (by Name)]

Driver class which stores component data in binary form.

Declaration

Source position: classesh.inc line 1641

Type
  TBinaryObjectWriter = class (TAbstractObjectWriter)
  protected
    FStream : TStream;
    FBuffer : Pointer;
    FBufSize : Integer;
    FBufPos : Integer;
    FBufEnd : Integer;
    procedure WriteWord(w: Word);
    procedure WriteDWord(lw: LongWord);
    procedure WriteQWord(qw: QWord);
    procedure WriteExtended(e: extended);
    procedure WriteValue(Value: TValueType);
  public
    constructor Create(Stream: TStream; BufSize: Integer);
    destructor Destroy;  Override;
    procedure WriteSignature;  Override;
    procedure FlushBuffer;  Override;
    procedure BeginCollection;  Override;
    procedure BeginComponent(Component: TComponent; Flags: TFilerFlags; 
                            ChildPos: Integer);  Override;
    procedure BeginList;  Override;
    procedure EndList;  Override;
    procedure BeginProperty(const PropName: string);  Override;
    procedure EndProperty;  Override;
    procedure Write(const Buffer; Count: LongInt);  Override;
    procedure WriteBinary(const Buffer; Count: LongInt);  Override;
    procedure WriteBoolean(Value: Boolean);  Override;
    procedure WriteFloat(const Value: Extended);  Override;
    procedure WriteSingle(const Value: Single);  Override;
    procedure WriteDate(const Value: TDateTime);  Override;
    procedure WriteCurrency(const Value: Currency);  Override;
    procedure WriteIdent(const Ident: string);  Override;
    procedure WriteInteger(Value: Int64);  Override;
    procedure WriteUInt64(Value: QWord);  Override;
    procedure WriteMethodName(const Name: string);  Override;
    procedure WriteSet(Value: LongInt; SetType: Pointer);  Override;
    procedure WriteStr(const Value: string);
    procedure WriteString(const Value: string);  Override;
    procedure WriteWideString(const Value: WideString);  Override;
    procedure WriteUnicodeString(const Value: UnicodeString);  Override;
    procedure WriteVariant(const VarValue: Variant);  Override;
  end
  ;

Members

Member	Type	Visibility	Description
BeginCollection	Method	public	Start writing a collection.
BeginComponent	Method	public	Start writing a component
BeginList	Method	public	Start writing a list.
BeginProperty	Method	public	Start writing a property
Create	Method	public	Creates a new instance of a binary object writer.
Destroy	Method	public	Destroys an instance of the binary object writer.
EndList	Method	public	Mark the end of a list.
EndProperty	Method	public	Marks the end of writing of a property.
FBufEnd	Field	protected
FBuffer	Field	protected
FBufPos	Field	protected
FBufSize	Field	protected
FlushBuffer	Method	public	Flush the buffer
FStream	Field	protected
Write	Method	public	Write raw data to stream
WriteBinary	Method	public	Writes binary data to the stream.
WriteBoolean	Method	public	Writes a boolean value to the stream.
WriteCurrency	Method	public	Write a currency-valued type to a stream
WriteDate	Method	public	Writes a date type to the stream.
WriteDWord	Method	protected
WriteExtended	Method	protected
WriteFloat	Method	public	Writes a float value to the stream.
WriteIdent	Method	public	Writes an identifier to the stream.
WriteInteger	Method	public	Writes an integer value to the stream.
WriteMethodName	Method	public	Writes a methodname to the stream.
WriteQWord	Method	protected
WriteSet	Method	public	Writes a set value to the stream.
WriteSignature	Method	public	Write stream signature to the stream
WriteSingle	Method	public	Writes a single-type real value to the stream.
WriteStr	Method	public	Write a string to the binary stream
WriteString	Method	public	Writes a string value to the stream.
WriteUInt64	Method	public	Write an unsigned 64-bit integer
WriteUnicodeString	Method	public	Write a Unicode string to the stream.
WriteValue	Method	protected
WriteVariant	Method	public	Write a variant to the stream
WriteWideString	Method	public	Write a widestring-valued type to a stream
WriteWord	Method	protected

Inheritance

Class	Description
TBinaryObjectWriter	Driver class which stores component data in binary form.

See also

Name	Description
Integer	A signed 16-bits integer
Integer	A signed 16-bits integer
Integer	A signed 16-bits integer
TStream	Base class for streams.

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