Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/Configuration/NamespaceCollection.cs

@@ -0,0 +1,121 @@
+//------------------------------------------------------------------------------
+// <copyright file="NamespaceCollection.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Web.Configuration {
+    using System;
+    using System.Xml;
+    using System.Configuration;
+    using System.Collections.Specialized;
+    using System.Collections;
+    using System.IO;
+    using System.Text;
+    using System.Web.Util;
+    using System.Web.UI;
+    using System.Web.Compilation;
+    using System.Threading;
+    using System.Web.Configuration;
+    using System.Security.Permissions;
+
+    // class PagesSection
+
+    [ConfigurationCollection(typeof(NamespaceInfo))]
+    public sealed class NamespaceCollection : ConfigurationElementCollection {
+        private static ConfigurationPropertyCollection _properties;
+        private static readonly ConfigurationProperty _propAutoImportVBNamespace =
+            new ConfigurationProperty("autoImportVBNamespace", typeof(bool), true, ConfigurationPropertyOptions.None);
+
+        private Hashtable _namespaceEntries;
+
+        static NamespaceCollection() {
+            // Property initialization
+            _properties = new ConfigurationPropertyCollection();
+            _properties.Add(_propAutoImportVBNamespace);
+        }
+
+        protected override ConfigurationPropertyCollection Properties {
+            get {
+                return _properties;
+            }
+        }
+
+        [ConfigurationProperty("autoImportVBNamespace", DefaultValue = true)]
+        public bool AutoImportVBNamespace {
+            get {
+                return (bool)base[_propAutoImportVBNamespace];
+            }
+            set {
+                base[_propAutoImportVBNamespace] = value;
+            }
+        }
+
+        public NamespaceInfo this[int index] {
+            get {
+                return (NamespaceInfo)BaseGet(index);
+            }
+            set {
+                if (BaseGet(index) != null)
+                    BaseRemoveAt(index);
+                BaseAdd(index, value);
+                _namespaceEntries = null;
+            }
+        }
+        public void Add(NamespaceInfo namespaceInformation) {
+            BaseAdd(namespaceInformation);
+            _namespaceEntries = null;
+        }
+        public void Remove(String s) {
+            BaseRemove(s);
+            _namespaceEntries = null;
+        }
+
+        public void RemoveAt(int index) {
+            BaseRemoveAt(index);
+            _namespaceEntries = null;
+        }
+        protected override ConfigurationElement CreateNewElement() {
+            return new NamespaceInfo();
+        }
+        protected override Object GetElementKey(ConfigurationElement element) {
+            return ((NamespaceInfo)element).Namespace;
+        }
+
+        public void Clear() {
+            BaseClear();
+            _namespaceEntries = null;
+        }
+
+        internal Hashtable NamespaceEntries {
+            get {
+                if (_namespaceEntries == null) {
+                    lock (this) {
+                        if (_namespaceEntries == null) {
+                            _namespaceEntries = new Hashtable(StringComparer.OrdinalIgnoreCase);
+
+                            foreach (NamespaceInfo ni in this) {
+                                NamespaceEntry namespaceEntry = new NamespaceEntry();
+                                namespaceEntry.Namespace = ni.Namespace;
+
+                                // Remember the config file location info, in case an error
+                                // occurs later when we use this data
+                                namespaceEntry.Line = ni.ElementInformation.Properties["namespace"].LineNumber;
+
+                                // 
+                                namespaceEntry.VirtualPath = ni.ElementInformation.Properties["namespace"].Source;
+                                // If the namespace was given Programactically it needs to still have a
+                                // valid line number of the compiler chokes (1 based).
+                                if (namespaceEntry.Line == 0) {
+                                    namespaceEntry.Line = 1;
+                                }
+                                _namespaceEntries[ni.Namespace] = namespaceEntry;
+                            }
+                        }
+                    }
+                }
+                return _namespaceEntries;
+            }
+        }
+    }
+}