source: branch/egtra-stream-without-en_dec/Classes/System/IO/TextWriter.ab@ 678

'Classes/System/IO/TextWriter.ab

Namespace System
Namespace IO

/*
@brief テキスト書き込みの抽象基底クラス
@date 2007/03/05
@auther Egtra
*/
Class TextWriter
    Implements System.IDisposable
Public
    Virtual Sub ~TextWriter()
        Dispose(False)
    End Sub

'   Static Null = StreamWriter.Null As StreamWriter

Public
    Sub Close()
        Dispose(True)
    End Sub

    Sub Dispose()
        Dispose(True)
    End Sub

    Virtual Sub Flush()
    End Sub

    'これ以外全てのWrite/WriteLineは、最終的にこのWriteを呼ぶ。
    Sub Write(x As String)
        buf.Append(x)
        If buf.Length >= 4096 Then
            Flush()
        End If
    End Sub
    
    Sub Write(x As Boolean)
        buf.Append(x)
    End Sub
    
    Sub Write(x As SByte)
        buf.Append(x)
    End Sub

    Sub Write(x As Byte)
        buf.Append(x)
    End Sub

    Sub Write(x As Word)
        buf.Append(x)
    End Sub

    Sub Write(x As Integer)
        buf.Append(x)
    End Sub

    Sub Write(x As DWord)
        buf.Append(x)
    End Sub

    Sub Write(x As Long)
        buf.Append(x)
    End Sub

    Sub Write(x As QWord)
        buf.Append(x)
    End Sub

    Sub Write(x As Int64)
        buf.Append(x)
    End Sub

    Sub Write(x As Single)
        buf.Append(x)
    End Sub

    Sub Write(x As Double)
        buf.Append(x)
    End Sub

    Sub Write(x As Object)
        buf.Append(x)
    End Sub

    Virtual Sub WriteLine()
        Write(Environment.NewLine)
    End Sub

    Sub WriteLine(x As String)
        Write(x)
        WriteLine()
    End Sub

    Sub WriteLine(x As Boolean)
        Write(x)
        WriteLine()
    End Sub

    Sub WriteLine(x As Byte)
        Write(x)
        WriteLine()
    End Sub
    
    Sub WriteLine(x As SByte)
        Write(x)
        WriteLine()
    End Sub

    Sub WriteLine(x As Word)
        Write(x)
        WriteLine()
    End Sub

    Sub WriteLine(x As Integer)
        Write(x)
        WriteLine()
    End Sub

    Sub WriteLine(x As DWord)
        Write(x)
        WriteLine()
    End Sub

    Sub WriteLine(x As Long)
        Write(x)
        WriteLine()
    End Sub

    Sub WriteLine(x As QWord)
        Write(x)
        WriteLine()
    End Sub

    Sub WriteLine(x As Int64)
        Write(x)
        WriteLine()
    End Sub

    Sub WriteLine(x As Single)
        Write(x)
        WriteLine()
    End Sub

    Sub WriteLine(x As Double)
        Write(x)
        WriteLine()
    End Sub

    Sub WriteLine(x As Object)
        Write(x)
        WriteLine()
    End Sub

    Static Function Synchronized(writer As TextWriter) As TextWriter
        ' TODO: 実装。とりあえずそのまま返却
        Return writer
    End Function

Protected
    Sub TextWriter()
        buf = New Text.StringBuilder
    End Sub

    Sub TextWriter(buffer As Text.StringBuilder)
        If ActiveBasic.IsNothing(buffer) Then
            Throw New ArgumentNullException("buffer")
        End If
        buf = buffer
    End Sub

    /*!
    @brief 内部バッファを返す
    @date 2008/12/27
    @auther Egtra
    @return 内部バッファ
    */
    Function Buffer() As Text.StringBuilder
        Buffer = buf
    End Function

    Virtual Sub Dispose(disposing As Boolean)
        If disposing Then
            Flush()
            buf = Nothing
        End If
    End Sub

Private
    buf As Text.StringBuilder
End Class


End Namespace
End Namespace