Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/class/Mono.Http/Mono.Http.Configuration/AcceptEncodingConfig.cs

@@ -0,0 +1,128 @@
+//
+// AcceptEncodingConfig.cs
+//
+// Authors:
+//	Gonzalo Paniagua Javier (gonzalo@ximian.com)
+//
+// (c) 2003 Ximian, Inc (http://www.ximian.com)
+//
+
+//
+// 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.
+//
+
+using System;
+using System.Collections;
+using System.Collections.Specialized;
+using System.IO;
+using System.Web;
+
+namespace Mono.Http.Configuration
+{
+	public class AcceptEncodingConfig
+	{
+		Hashtable tbl = CollectionsUtil.CreateCaseInsensitiveHashtable ();
+
+		public AcceptEncodingConfig () : this (null)
+		{
+		}
+		
+		public AcceptEncodingConfig (AcceptEncodingConfig parent)
+		{
+			if (parent == null)
+				return;
+
+			// FIXME: copy parent's config
+		}
+
+		public void Add (string encoding, string type)
+		{
+			tbl [encoding] = Type.GetType (type);
+		}
+
+		public bool SetFilter (HttpResponse response, string acceptEncoding)
+		{
+			if (acceptEncoding == null)
+				return false;
+
+			acceptEncoding = acceptEncoding.Trim ();
+			if (acceptEncoding == "")
+				return false;
+				
+			string [] parts = null;
+			if (acceptEncoding.IndexOf (';') != -1)
+				parts = acceptEncoding.Split (';');
+			else
+				parts = acceptEncoding.Split (',');
+
+			string encoding;
+			float weight = 0.0f;
+			float current = 0.0f;
+			Type type = null;
+			string name = null;
+			int i = 0;
+			foreach (string s in parts) {
+				encoding = null;
+				ParseValue (s, ref encoding, ref weight);
+				if (encoding != null && weight > current && tbl.Contains (encoding)) {
+					type = tbl [encoding] as Type;
+					current = weight;
+					name = encoding;
+				}
+				i++;
+			}
+
+			if (type == null)
+				return false;
+
+			Stream filter = response.Filter;
+			response.Filter = (Stream) Activator.CreateInstance (type, new object [] {filter});
+			response.AppendHeader ("Content-Encoding", name);
+			return true;
+		}
+
+		public void Clear ()
+		{
+			tbl.Clear ();
+		}
+		
+		static void ParseValue (string s, ref string encoding, ref float weight)
+		{
+			//FIXME: make it more spec compliant
+			string [] parts = s.Trim ().Split (',');
+			if (parts.Length == 1) {
+				encoding = parts [0].Trim ();
+				weight = 1.0f;
+			} else if (parts.Length == 2) {
+				encoding = parts [0].Trim ();
+				try {
+					int i = parts [1].IndexOf ('=');
+					if (i != -1)
+						weight = Convert.ToSingle (parts [1].Substring (i + 1));
+				} catch {
+					weight = 0.0f;
+				}
+			} else {
+				//ignore
+			}
+		}
+	}
+}
+

mcs/class/Mono.Http/Mono.Http.Configuration/AcceptEncodingSectionHandler.cs

@@ -0,0 +1,117 @@
+//
+// AcceptEncodingSectionHandler.cs
+//
+// Authors:
+//	Gonzalo Paniagua Javier (gonzalo@ximian.com)
+//
+// (c) 2003 Ximian, Inc (http://www.ximian.com)
+//
+
+//
+// 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.
+//
+
+using System;
+using System.Configuration;
+using System.IO;
+using System.Xml;
+
+namespace Mono.Http.Configuration
+{
+	public class AcceptEncodingSectionHandler : IConfigurationSectionHandler
+	{
+		public object Create (object parent, object configContext, XmlNode section)
+		{
+			AcceptEncodingConfig cfg = new AcceptEncodingConfig (parent as AcceptEncodingConfig);
+			
+			if (section.Attributes != null && section.Attributes.Count != 0)
+				ThrowException ("Unrecognized attribute", section);
+
+			XmlNodeList nodes = section.ChildNodes;
+			foreach (XmlNode child in nodes) {
+				XmlNodeType ntype = child.NodeType;
+				if (ntype == XmlNodeType.Whitespace || ntype == XmlNodeType.Comment)
+					continue;
+
+				if (ntype != XmlNodeType.Element)
+					ThrowException ("Only elements allowed", child);
+				
+				string name = child.Name;
+				if (name == "clear") {
+					if (child.Attributes != null && child.Attributes.Count != 0)
+						ThrowException ("Unrecognized attribute", child);
+
+					cfg.Clear ();
+					continue;
+				}
+					
+				if (name != "add")
+					ThrowException ("Unexpected element", child);
+
+				string encoding = ExtractAttributeValue ("encoding", child, false);
+				string type = ExtractAttributeValue ("type", child, false);
+				string disabled = ExtractAttributeValue ("disabled", child, true);
+				if (disabled != null && disabled == "yes")
+					continue;
+
+				if (child.Attributes != null && child.Attributes.Count != 0)
+					ThrowException ("Unrecognized attribute", child);
+
+				cfg.Add (encoding, type);
+			}
+
+			return cfg;
+		}
+
+		static void ThrowException (string msg, XmlNode node)
+		{
+			if (node != null && node.Name != String.Empty)
+				msg = msg + " (node name: " + node.Name + ") ";
+
+			throw new ConfigurationException (msg, node);
+		}
+
+		static string ExtractAttributeValue (string attKey, XmlNode node, bool optional)
+		{
+			if (node.Attributes == null) {
+				if (optional)
+					return null;
+
+				ThrowException ("Required attribute not found: " + attKey, node);
+			}
+
+			XmlNode att = node.Attributes.RemoveNamedItem (attKey);
+			if (att == null) {
+				if (optional)
+					return null;
+				ThrowException ("Required attribute not found: " + attKey, node);
+			}
+
+			string value = att.Value;
+			if (value == String.Empty) {
+				string opt = optional ? "Optional" : "Required";
+				ThrowException (opt + " attribute is empty: " + attKey, node);
+			}
+
+			return value;
+		}
+	}
+}
+

mcs/class/Mono.Http/Mono.Http.Configuration/ChangeLog

@@ -0,0 +1,5 @@
+2003-12-12  Gonzalo Paniagua Javier <gonzalo@ximian.com>
+
+	* AcceptEncodingConfig.cs:
+	* AcceptEncodingSectionHandler.cs: moved these files here.
+