2 // System.Resources.ResourceSet.cs
5 // Duncan Mak (duncan@ximian.com)
6 // Dick Porter (dick@ximian.com)
7 // Andreas Nahr (ClassDevelopment@A-SoftTech.com)
9 // (C) 2001, 2002 Ximian, Inc. http://www.ximian.com
10 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
12 // Permission is hereby granted, free of charge, to any person obtaining
13 // a copy of this software and associated documentation files (the
14 // "Software"), to deal in the Software without restriction, including
15 // without limitation the rights to use, copy, modify, merge, publish,
16 // distribute, sublicense, and/or sell copies of the Software, and to
17 // permit persons to whom the Software is furnished to do so, subject to
18 // the following conditions:
20 // The above copyright notice and this permission notice shall be
21 // included in all copies or substantial portions of the Software.
23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 using System.Collections;
34 using System.Globalization;
35 using System.Runtime.InteropServices;
36 using System.Security.Permissions;
38 namespace System.Resources
44 public class ResourceSet : IDisposable
55 protected IResourceReader Reader;
56 protected Hashtable Table;
60 private bool disposed;
63 protected ResourceSet ()
65 Table = new Hashtable ();
66 resources_read = true;
69 public ResourceSet (IResourceReader reader)
72 throw new ArgumentNullException ("reader");
73 Table = new Hashtable ();
77 [SecurityPermission (SecurityAction.LinkDemand, SerializationFormatter = true)]
78 public ResourceSet (Stream stream)
80 Table = new Hashtable ();
81 Reader = new ResourceReader (stream);
84 internal ResourceSet (IntPtrStream stream)
86 Table = new Hashtable ();
87 Reader = new ResourceReader (stream);
90 public ResourceSet (string fileName)
92 Table = new Hashtable ();
93 Reader = new ResourceReader (fileName);
96 public virtual void Close ()
101 public void Dispose()
105 // If we are explicitly disposed, we can avoid finalization.
106 GC.SuppressFinalize (this);
109 protected virtual void Dispose (bool disposing)
121 public virtual Type GetDefaultReader ()
123 return (typeof (ResourceReader));
126 public virtual Type GetDefaultWriter ()
128 return (typeof (ResourceWriter));
133 public virtual IDictionaryEnumerator GetEnumerator ()
137 throw new ObjectDisposedException ("ResourceSet is closed.");
139 throw new InvalidOperationException ("ResourceSet is closed.");
142 return Table.GetEnumerator();
145 IEnumerator IEnumerable.GetEnumerator ()
147 return this.GetEnumerator ();
151 private object GetObjectInternal (string name, bool ignoreCase)
154 throw new ArgumentNullException ("name");
157 throw new ObjectDisposedException ("ResourceSet is closed.");
159 throw new InvalidOperationException ("ResourceSet is closed.");
163 object o = Table [name];
168 foreach (DictionaryEntry de in Table) {
169 string key = (string) de.Key;
170 if (String.Compare (key, name, true, CultureInfo.InvariantCulture) == 0)
178 public virtual object GetObject (string name)
180 return GetObjectInternal (name, false);
183 public virtual object GetObject (string name, bool ignoreCase)
185 return GetObjectInternal (name, ignoreCase);
188 private string GetStringInternal (string name, bool ignoreCase)
190 object value = GetObject (name, ignoreCase);
194 string s = (value as string);
196 throw new InvalidOperationException (string.Format (
197 "Resource '{0}' is not a String. Use " +
198 "GetObject instead.", name));
203 public virtual string GetString (string name)
205 return GetStringInternal (name, false);
208 public virtual string GetString (string name, bool ignoreCase)
210 return GetStringInternal (name, ignoreCase);
213 protected virtual void ReadResources ()
220 throw new ObjectDisposedException ("ResourceSet is closed.");
222 throw new InvalidOperationException ("ResourceSet is closed.");
228 IDictionaryEnumerator i = Reader.GetEnumerator();
230 while (i.MoveNext ())
231 Table.Add (i.Key, i.Value);
232 resources_read = true;
237 internal UnmanagedMemoryStream GetStream (string name, bool ignoreCase)
240 throw new ObjectDisposedException ("ResourceSet is closed.");
242 IDictionaryEnumerator i = Reader.GetEnumerator();
244 while (i.MoveNext ()){
245 if (String.Compare (name, (string) i.Key, ignoreCase) == 0)
246 return ((ResourceReader.ResourceEnumerator) i).ValueAsStream;