Imported Upstream version 5.4.0.167

Former-commit-id: 5624ac747d633e885131e8349322922b6a59baaa

external/api-doc-tools/monodoc/Monodoc/providers/ecmauncompiled-provider.cs

@@ -0,0 +1,68 @@
+using System;
+using System.Linq;
+using System.IO;
+using System.Text;
+using System.Xml;
+using System.Xml.Linq;
+using System.Collections.Generic;
+
+using Lucene.Net.Index;
+using Lucene.Net.Documents;
+
+using Monodoc.Ecma;
+using Monodoc.Storage;
+using Mono.Utilities;
+
+namespace Monodoc.Providers
+{
+	public class EcmaUncompiledHelpSource : EcmaHelpSource
+	{
+		readonly DirectoryInfo basedir;
+		readonly string basedoc;
+
+		public readonly string BasePath;
+
+		public new string Name {
+			get;
+			private set;
+		}
+	
+		/* base_file: the directory containing the index.xml file, usually in Mono land .../Documentation/en
+		 * markName: if true, we encase the node caption with [] to clearly mark it's from an uncompiled source
+		 */
+		public EcmaUncompiledHelpSource (string base_file, bool markName = true) : base ()
+		{
+			basedir = new DirectoryInfo (base_file);
+			BasePath = basedir.FullName;
+		
+			basedoc = Path.Combine (basedir.FullName, "index.xml");
+		
+			Name = ((string)XDocument.Load (basedoc).Root.Element ("Title")) ?? "UnnamedUncompiledSource";
+			if (markName)
+				Name = '[' + Name + ']';
+			Tree.RootNode.Caption = Name;
+
+			Func<XElement, string> indexGenerator = type => {
+				var nsName = (string)type.Parent.Attribute ("Name");
+				var typeName = (string)type.Attribute ("Name");
+				return Path.ChangeExtension (nsName + '/' + typeName, ".xml");
+			};
+
+			this.Storage = new UncompiledDocStorage (BasePath);
+
+			EcmaDoc.PopulateTreeFromIndexFile (basedoc, UriPrefix, Tree, null, null, indexGenerator);
+		}
+
+		protected override string UriPrefix {
+			get {
+				return "uncompiled:";
+			}
+		}
+
+		public override Stream GetImage (string url)
+		{
+			var path = Path.Combine (BasePath, "_images", url);
+			return File.Exists (path) ? File.OpenRead (path) : (Stream)null;
+		}
+	}
+}