Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / XmlUtils / System / Xml / Xsl / XsltOld / InputScope.cs / 1305376 / InputScope.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 System.Collections; internal class InputScope : DocumentScope { private InputScope parent; private bool forwardCompatibility; private bool canHaveApplyImports; private Hashtable variables; private Hashtable extensionNamespaces; private Hashtable excludedNamespaces; internal InputScope Parent { get { return this.parent; } } internal Hashtable Variables { get { return this.variables; } } internal bool ForwardCompatibility { get { return this.forwardCompatibility; } set { this.forwardCompatibility = value; } } internal bool CanHaveApplyImports { get { return this.canHaveApplyImports; } set { this.canHaveApplyImports = value; } } internal InputScope(InputScope parent) { Init(parent); } internal void Init(InputScope parent) { this.scopes = null; this.parent = parent; if (this.parent != null) { this.forwardCompatibility = this.parent.forwardCompatibility; this.canHaveApplyImports = this.parent.canHaveApplyImports; } } internal void InsertExtensionNamespace(String nspace) { if (this.extensionNamespaces == null ) { this.extensionNamespaces = new Hashtable(); } this.extensionNamespaces[nspace] = null; } internal bool IsExtensionNamespace(String nspace) { if (extensionNamespaces == null ) { return false; } return extensionNamespaces.Contains(nspace); } internal void InsertExcludedNamespace(String nspace) { if (this.excludedNamespaces == null ) { this.excludedNamespaces = new Hashtable(); } this.excludedNamespaces[nspace] = null; } internal bool IsExcludedNamespace(String nspace) { if (excludedNamespaces == null ) { return false; } return excludedNamespaces.Contains(nspace); } internal void InsertVariable(VariableAction variable) { Debug.Assert(variable != null); if (this.variables == null) { this.variables = new Hashtable(); } this.variables[variable.Name] = variable; } internal int GetVeriablesCount() { if (this.variables == null) { return 0; } return this.variables.Count; } public VariableAction ResolveVariable(XmlQualifiedName qname) { for (InputScope inputScope = this; inputScope != null; inputScope = inputScope.Parent) { if (inputScope.Variables != null) { VariableAction variable = (VariableAction) inputScope.Variables[qname]; if(variable != null) { return variable; } } } return null; } public VariableAction ResolveGlobalVariable(XmlQualifiedName qname) { InputScope prevScope = null; for (InputScope inputScope = this; inputScope != null; inputScope = inputScope.Parent) { prevScope = inputScope; } return prevScope.ResolveVariable(qname); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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