microsoft-visualbasic-runtime/Extensions/IO/IOStream.vb

50 lines
1.5 KiB
VB.net

Imports System.Runtime.CompilerServices
Imports Microsoft.VisualBasic.ApplicationServices
Imports Microsoft.VisualBasic.ApplicationServices.IOHandler
Imports Microsoft.VisualBasic.Text
Namespace FileIO
Public Class IOStream(Of T)
Shared ReadOnly save As ISave
Shared ReadOnly obj As Type = GetType(T)
Dim data As Object
Shared Sub New()
If IOHandler.IsRegister(obj) Then
save = IOHandler.GetWrite(obj)
Else
save = IOHandler.GetWrite(GetType(IEnumerable(Of T)))
End If
End Sub
Sub New(data As IEnumerable(Of T))
Me.data = data
End Sub
Sub New(data As T)
Me.data = data
End Sub
Public Shared Operator >>(stream As IOStream(Of T), handle%) As Boolean
Return IOStream(Of T).save(stream.data, My.File.GetHandle(handle).FileName, DefaultEncoding)
End Operator
End Class
Public Module IOStreamExtensions
<MethodImpl(MethodImplOptions.AggressiveInlining)>
<Extension>
Public Function AsIOStream(Of T)(data As IEnumerable(Of T)) As IOStream(Of T)
Return New IOStream(Of T)(data)
End Function
<MethodImpl(MethodImplOptions.AggressiveInlining)>
<Extension> Public Function FileOpen(path As String, Optional encoding As Encodings = Encodings.UTF8) As Integer
Return My.File.OpenHandle(path, encoding)
End Function
End Module
End Namespace