ParserXDR.vb

#Region "Microsoft.VisualBasic::cdad396281c9283c4b0e30ee0374243c, studio\RData\ParserXDR.vb"

    ' Author:
    ' 
    '       asuka (amethyst.asuka@gcmodeller.org)
    '       xie (genetics@smrucc.org)
    '       xieguigang (xie.guigang@live.com)
    ' 
    ' Copyright (c) 2018 GPL3 Licensed
    ' 
    ' 
    ' GNU GENERAL PUBLIC LICENSE (GPL3)
    ' 
    ' 
    ' This program is free software: you can redistribute it and/or modify
    ' it under the terms of the GNU General Public License as published by
    ' the Free Software Foundation, either version 3 of the License, or
    ' (at your option) any later version.
    ' 
    ' This program is distributed in the hope that it will be useful,
    ' but WITHOUT ANY WARRANTY; without even the implied warranty of
    ' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    ' GNU General Public License for more details.
    ' 
    ' You should have received a copy of the GNU General Public License
    ' along with this program. If not, see <http://www.gnu.org/licenses/>.



    ' /********************************************************************************/

    ' Summaries:


    ' Code Statistics:

    '   Total Lines: 41
    '    Code Lines: 25 (60.98%)
    ' Comment Lines: 8 (19.51%)
    '    - Xml Docs: 100.00%
    ' 
    '   Blank Lines: 8 (19.51%)
    '     File Size: 1.20 KB


    ' Class ParserXDR
    ' 
    '     Constructor: (+1 Overloads) Sub New
    '     Function: parse_double, parse_int, parse_string
    ' 
    ' /********************************************************************************/

#End Region

Imports Microsoft.VisualBasic.Data.IO
Imports Microsoft.VisualBasic.Data.IO.Xdr

''' <summary>
''' Parser used when the integers and doubles are in XDR format.
''' </summary>
Public Class ParserXDR : Inherits Reader

    ReadOnly data As BinaryDataReader
    ReadOnly XDRParser As Unpacker

    <DebuggerStepThrough>
    Sub New(data As BinaryDataReader,
            Optional position As Integer = 0,
            Optional expand_altrep As Boolean = True,
            Optional debug As Boolean = False)

        Call MyBase.New(expand_altrep, debug)

        Me.data = data
        Me.data.Position = position
        Me.XDRParser = New Unpacker(data)
    End Sub

    Public Overrides Function parse_int() As Integer
        Return XDRParser.UnpackInteger()
    End Function

    Public Overrides Function parse_double() As Double
        Return XDRParser.UnpackDouble()
    End Function

    ''' <summary>
    ''' Read string raw bytes
    ''' </summary>
    ''' <param name="length"></param>
    ''' <returns></returns>
    Public Overrides Function parse_string(length As Integer) As Byte()
        Return data.ReadBytes(length)
    End Function
End Class