InputScope.cs source code in C# .NET

Source code for the .NET framework in C#

                        
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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