NavigatorInput.cs source code in C# .NET

                        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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NavigatorInput.cs source code in C# .NET

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