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Peer Graph - Search Criteria Helper

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16 Jan 20067 min read 35.9K   510   14  
Expression conversion to XML search criteria for a Peer Graph, using Microsoft's Peer-to-Peer technology.
'----------------------------------------------------------------------
' Gold Parser engine.
' See more details on http:'www.devincook.com/goldparser/
' 
' Original code is written in VB by Devin Cook (GOLDParser@DevinCook.com)
'
' This translation is done by Vladimir Morozov (vmoroz@hotmail.com)
' 
' The translation is based on the other engine translations:
' Delphi engine by Alexandre Rai (riccio@gmx.at)
' C# engine by Marcus Klimstra (klimstra@home.nl)
'----------------------------------------------------------------------

Imports System
Imports System.Collections

Namespace GoldParser
    ''' <summary>
    ''' Contains read only collection of LALR states.
    ''' </summary>
    Class LalrStateCollection
        Implements IEnumerable

        Private m_lalrStateTable() As LalrState

        ''' <summary>
        ''' Creates a new instance of <c>LalrStateCollection</c> class.
        ''' </summary>
        ''' <param name="lalrStateTable">
        ''' Array of LALR states to initialize the collection.
        ''' </param>
        Public Sub New(ByVal lalrStateTable() As LalrState)
            m_lalrStateTable = lalrStateTable
        End Sub

        ''' <summary>
        ''' Gets LALR state by its index.
        ''' </summary>
        Default Public ReadOnly Property Item(ByVal index As Integer) As LalrState
            Get
                Return m_lalrStateTable(index)
            End Get
        End Property

        ''' <summary>
        ''' Gets number of LALR states.
        ''' </summary>
        Public ReadOnly Property Count() As Integer
            Get
                Return m_lalrStateTable.Length
            End Get
        End Property

#Region "IEnumerable Members"
        ''' <summary>
        ''' Creates a new IEnumerator for the collection.
        ''' </summary>
        ''' <returns>New instance of IEnumerator.</returns>
        Public Function GetEnumerator() As System.Collections.IEnumerator Implements System.Collections.IEnumerable.GetEnumerator
            Return m_lalrStateTable.GetEnumerator()
        End Function
#End Region
    End Class
End Namespace

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Written By
Web Developer
Canada Canada
Adrian Moore is the Development Manager for the SCADA Vision system developed by ABB Inc in Calgary, Alberta.

He has been interested in compilers, parsers, real-time database systems and peer-to-peer solutions since the early 90's. In his spare time, he is currently working on a SQL parser for querying .NET DataSets (http://www.queryadataset.com).

Adrian is a Microsoft MVP for Windows Networking.

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