56 lines
2.1 KiB
C#
56 lines
2.1 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="SchemaNamespaceManager.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">[....]</owner>
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//------------------------------------------------------------------------------
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namespace System.Xml.Schema {
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using System;
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using System.Diagnostics;
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using System.Collections;
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internal class SchemaNamespaceManager : XmlNamespaceManager {
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XmlSchemaObject node;
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public SchemaNamespaceManager(XmlSchemaObject node) {
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this.node = node;
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}
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public override string LookupNamespace(string prefix) {
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if (prefix == "xml") { //Special case for the XML namespace
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return XmlReservedNs.NsXml;
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}
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Hashtable namespaces;
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for (XmlSchemaObject current = node; current != null; current = current.Parent) {
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namespaces = current.Namespaces.Namespaces;
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if (namespaces != null && namespaces.Count > 0) {
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object uri = namespaces[prefix];
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if (uri != null)
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return (string)uri;
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}
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}
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return prefix.Length == 0 ? string.Empty : null;
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}
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public override string LookupPrefix(string ns) {
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if (ns == XmlReservedNs.NsXml) { //Special case for the XML namespace
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return "xml";
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}
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Hashtable namespaces;
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for (XmlSchemaObject current = node; current != null; current = current.Parent) {
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namespaces = current.Namespaces.Namespaces;
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if (namespaces != null && namespaces.Count > 0) {
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foreach(DictionaryEntry entry in namespaces) {
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if (entry.Value.Equals(ns)) {
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return (string)entry.Key;
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}
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}
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}
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}
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return null;
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}
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}; //SchemaNamespaceManager
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}
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