Imported Upstream version 4.2.0.179

Former-commit-id: 4610231f55806d2a05ed69e5ff3faa7336cc1479

mcs/class/System.Windows.Forms/System.Resources/ResXFileRef.cs

@@ -0,0 +1,175 @@
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+// Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
+//
+// Authors:
+//	Peter Bartok	(pbartok@novell.com)
+//	Gert Driesen	(drieseng@users.sourceforge.net)
+//
+
+using System;
+using System.ComponentModel;
+using System.Drawing;
+using System.IO;
+using System.Reflection;
+using System.Text;
+
+namespace System.Resources {
+	[Serializable]
+	[TypeConverter(typeof(ResXFileRef.Converter))]
+#if INSIDE_SYSTEM_WEB
+	internal
+#else
+	public 
+#endif
+	class ResXFileRef {
+#if INSIDE_SYSTEM_WEB
+		internal
+#else
+		public
+#endif
+		class Converter : TypeConverter {
+			public Converter() {
+			}
+
+			public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) {
+				return sourceType == typeof(string);
+			}
+
+			public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) {
+				return destinationType == typeof(string);
+			}
+
+			public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value) {
+				byte[]		buffer;
+
+				if ( !(value is String)) {
+					return null;
+				}
+
+				string [] parts = ResXFileRef.Parse ((string) value);
+				if (parts.Length == 1)
+					throw new ArgumentException ("value");
+
+				Type type = Type.GetType (parts [1]);
+				if (type == typeof(string)) {
+					Encoding encoding;
+					if (parts.Length > 2) {
+						encoding = Encoding.GetEncoding (parts [2]);
+					} else {
+						encoding = Encoding.Default;
+					}
+
+					using (TextReader reader = new StreamReader(parts [0], encoding)) {
+						return reader.ReadToEnd();
+					}
+				}
+
+				using (FileStream file = new FileStream (parts [0], FileMode.Open, FileAccess.Read, FileShare.Read)) {
+					buffer = new byte [file.Length];
+					file.Read(buffer, 0, (int) file.Length);
+				}
+
+				if (type == typeof(System.Byte[]))
+					return buffer;
+
+				if (type == typeof (Bitmap) && Path.GetExtension (parts [0]) == ".ico") {
+					MemoryStream ms = new MemoryStream (buffer);
+					return new Icon (ms).ToBitmap ();
+				}
+
+				if (type == typeof (MemoryStream))
+					return new MemoryStream (buffer);
+
+				return Activator.CreateInstance(type, BindingFlags.CreateInstance
+					| BindingFlags.Public | BindingFlags.Instance, null, 
+					new object[] { new MemoryStream (buffer) }, culture);
+			}
+
+			public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType) {
+				if (destinationType != typeof(String)) {
+					return base.ConvertTo (context, culture, value, destinationType);
+				}
+
+				return ((ResXFileRef)value).ToString();
+			}
+		}
+
+		private string filename;
+		private string typename;
+		private Encoding textFileEncoding;
+
+		public ResXFileRef (string fileName, string typeName)
+		{
+			if (fileName == null)
+				throw new ArgumentNullException ("fileName");
+			if (typeName == null)
+				throw new ArgumentNullException ("typeName");
+
+			this.filename = fileName;
+			this.typename = typeName;
+		}
+
+		public ResXFileRef (string fileName, string typeName, Encoding textFileEncoding)
+			: this (fileName, typeName) 
+		{
+			this.textFileEncoding = textFileEncoding;
+		}
+
+		public string FileName {
+			get { return filename; }
+		}
+
+		public Encoding TextFileEncoding {
+			get { return textFileEncoding; }
+		}
+
+		public string TypeName {
+			get { return typename; }
+		}
+
+		public override string ToString() {
+			StringBuilder sb = new StringBuilder ();
+			if (filename != null) {
+				sb.Append (filename);
+			}
+			sb.Append (';');
+			if (typename != null) {
+				sb.Append (typename);
+			}
+			if (textFileEncoding != null) {
+				sb.Append (';');
+				sb.Append (textFileEncoding.WebName);
+			}
+			return sb.ToString ();
+		}
+
+		internal static string [] Parse (string fileRef)
+		{
+			// we cannot return ResXFileRef, as that would mean we'd have to
+			// instantiate the encoding, and we do not always need this
+
+			if (fileRef == null)
+				throw new ArgumentNullException ("fileRef");
+
+			return fileRef.Split (';');
+		}
+	}
+}