Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / XmlUtils / System / Xml / Xsl / XsltOld / NavigatorInput.cs / 1305376 / NavigatorInput.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- namespace System.Xml.Xsl.XsltOld { using Res = System.Xml.Utils.Res; using System; using System.Diagnostics; using System.Xml; using System.Xml.XPath; using Keywords = System.Xml.Xsl.Xslt.KeywordsTable; internal class NavigatorInput { private XPathNavigator _Navigator; private PositionInfo _PositionInfo; private InputScopeManager _Manager; private NavigatorInput _Next; private string _Href; private Keywords _Atoms; internal NavigatorInput Next { get { return _Next; } set { _Next = value; } } internal string Href { get { return _Href; } } internal Keywords Atoms { get { return _Atoms; } } internal XPathNavigator Navigator { get { AssertInput(); return _Navigator; } } internal InputScopeManager InputScopeManager { get { AssertInput(); return _Manager; } } internal bool Advance() { AssertInput(); return _Navigator.MoveToNext(); } internal bool Recurse() { AssertInput(); return _Navigator.MoveToFirstChild(); } internal bool ToParent() { AssertInput(); return _Navigator.MoveToParent(); } internal void Close() { _Navigator = null; _PositionInfo = null; } // // Input document properties // // // XPathNavigator does not support line and position numbers // internal int LineNumber { get { return _PositionInfo.LineNumber; } } internal int LinePosition { get { return _PositionInfo.LinePosition; } } internal XPathNodeType NodeType { get { AssertInput(); return _Navigator.NodeType; } } internal string Name { get { AssertInput(); return _Navigator.Name; } } internal string LocalName { get { AssertInput(); return _Navigator.LocalName; } } internal string NamespaceURI { get { AssertInput(); return _Navigator.NamespaceURI; } } internal string Prefix { get { AssertInput(); return _Navigator.Prefix; } } internal string Value { get { AssertInput(); return _Navigator.Value; } } internal bool IsEmptyTag { get { AssertInput(); return _Navigator.IsEmptyElement; } } internal string BaseURI { get { return _Navigator.BaseURI; } } internal bool MoveToFirstAttribute() { AssertInput(); return _Navigator.MoveToFirstAttribute(); } internal bool MoveToNextAttribute() { AssertInput(); return _Navigator.MoveToNextAttribute(); } internal bool MoveToFirstNamespace() { AssertInput(); return _Navigator.MoveToFirstNamespace(XPathNamespaceScope.ExcludeXml); } internal bool MoveToNextNamespace() { AssertInput(); return _Navigator.MoveToNextNamespace(XPathNamespaceScope.ExcludeXml); } // // Constructor // internal NavigatorInput(XPathNavigator navigator, string baseUri, InputScope rootScope) { if (navigator == null) { throw new ArgumentNullException("navigator"); } if (baseUri == null) { throw new ArgumentNullException("baseUri"); } Debug.Assert(navigator.NameTable != null); _Next = null; _Href = baseUri; _Atoms = new Keywords(navigator.NameTable); _Navigator = navigator; _Manager = new InputScopeManager(_Navigator, rootScope); _PositionInfo = PositionInfo.GetPositionInfo(_Navigator); /*BeginReading:*/ AssertInput(); if (NodeType == XPathNodeType.Root) { _Navigator.MoveToFirstChild(); } } internal NavigatorInput(XPathNavigator navigator): this(navigator, navigator.BaseURI, null) {} // // Debugging support // [System.Diagnostics.Conditional("DEBUG")] internal void AssertInput() { Debug.Assert(_Navigator != null); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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