131 lines
4.3 KiB
C#
131 lines
4.3 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="QilName.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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// <owner current="true" primary="true">Microsoft</owner>
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//------------------------------------------------------------------------------
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using System;
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using System.Diagnostics;
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namespace System.Xml.Xsl.Qil {
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/// <summary>
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/// View over a Qil name literal.
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/// </summary>
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/// <remarks>
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/// Don't construct QIL nodes directly; instead, use the <see cref="QilFactory">QilFactory</see>.
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/// </remarks>
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internal class QilName : QilLiteral {
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private string local;
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private string uri;
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private string prefix;
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//-----------------------------------------------
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// Constructor
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//-----------------------------------------------
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/// <summary>
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/// Construct a new node
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/// </summary>
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public QilName(QilNodeType nodeType, string local, string uri, string prefix) : base(nodeType, null) {
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LocalName = local;
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NamespaceUri = uri;
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Prefix = prefix;
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Value = this;
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}
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//-----------------------------------------------
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// QilName methods
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//-----------------------------------------------
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public string LocalName {
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get { return this.local; }
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set { this.local = value; }
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}
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public string NamespaceUri {
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get { return this.uri; }
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set { this.uri = value; }
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}
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public string Prefix {
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get { return this.prefix; }
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set { this.prefix = value; }
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}
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/// <summary>
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/// Build the qualified name in the form prefix:local
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/// </summary>
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public string QualifiedName {
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get {
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if (this.prefix.Length == 0) {
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return this.local;
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}
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else {
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return this.prefix + ':' + this.local;
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}
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}
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}
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/// <summary>
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/// Override GetHashCode() so that the QilName can be used as a key in the hashtable.
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/// </summary>
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/// <remarks>Does not compare their prefixes (if any).</remarks>
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public override int GetHashCode() {
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return this.local.GetHashCode();
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}
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/// <summary>
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/// Override Equals() so that the QilName can be used as a key in the hashtable.
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/// </summary>
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/// <remarks>Does not compare their prefixes (if any).</remarks>
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public override bool Equals(object other) {
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QilName name = other as QilName;
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if (name == null)
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return false;
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return this.local == name.local && this.uri == name.uri;
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}
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/// <summary>
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/// Implement operator == to prevent exidental referential comarison
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/// </summary>
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/// <remarks>Does not compare their prefixes (if any).</remarks>
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public static bool operator ==(QilName a, QilName b) {
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if ((object)a == (object)b) {
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return true;
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}
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if ((object)a == null || (object)b == null) {
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return false;
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}
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return a.local == b.local && a.uri == b.uri;
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}
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/// <summary>
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/// Implement operator != to prevent exidental referential comarison
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/// </summary>
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/// <remarks>Does not compare their prefixes (if any).</remarks>
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public static bool operator !=(QilName a, QilName b) {
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return !(a == b);
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}
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/// <summary>
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/// Return the QilName in this format: "{namespace}prefix:local-name".
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/// If the namespace is empty, return the QilName in this truncated format: "local-name".
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/// If the prefix is empty, return the QilName in this truncated format: "{namespace}local-name".
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/// </summary>
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public override string ToString() {
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if (prefix.Length == 0) {
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if (uri.Length == 0)
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return local;
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return string.Concat("{", uri, "}", local);
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}
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return string.Concat("{", uri, "}", prefix, ":", local);
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}
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}
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}
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