Пример #1
0
	//
	// Create list of documents for searching
	//
	public override void PopulateSearchableIndex (IndexWriter writer)
	{
		StringBuilder text;
		foreach (Node ns_node in Tree.Nodes) {
			Message (TraceLevel.Info, "\tNamespace: {0} ({1})", ns_node.Caption, ns_node.Nodes.Count);
			foreach (Node type_node in ns_node.Nodes) {
				string typename = type_node.Caption.Substring (0, type_node.Caption.IndexOf (' '));
				string full = ns_node.Caption + "." + typename;
				string doc_tag = GetKindFromCaption (type_node.Caption);
				string url = "T:" + full;
				string rest;
				XmlDocument xdoc = GetXmlFromUrl (type_node.URL, out rest);
				if (xdoc == null)
					continue;
				
				// 
				// For classes, structures or interfaces add a doc for the overview and
				// add a doc for every constructor, method, event, ...
				// 
				if (doc_tag == "Class" || doc_tag == "Structure" || doc_tag == "Interface"){
					
					// Adds a doc for every overview of every type
					SearchableDocument doc = new SearchableDocument ();
					doc.title = type_node.Caption;
					doc.hottext = typename;
					doc.url = url;
					
					XmlNode node_sel = xdoc.SelectSingleNode ("/Type/Docs");
					text  = new StringBuilder ();
					GetTextFromNode (node_sel, text);
					doc.text = text.ToString ();

					text  = new StringBuilder ();
					GetExamples (node_sel, text);
					doc.examples = text.ToString ();
					
					writer.AddDocument (doc.LuceneDoc);

					//Add docs for contructors, methods, etc.
					foreach (Node c in type_node.Nodes) { // c = Constructors || Fields || Events || Properties || Methods || Operators
						
						if (c.Element == "*")
							continue;
						int i = 1;
						foreach (Node nc in c.Nodes) {
							//xpath to the docs xml node
							string xpath;
							if (c.Caption == "Constructors")
								xpath = String.Format ("/Type/Members/Member[{0}]/Docs", i++);
							else if (c.Caption == "Operators")
								xpath = String.Format ("/Type/Members/Member[@MemberName='op_{0}']/Docs", nc.Caption);
							else
								xpath = String.Format ("/Type/Members/Member[@MemberName='{0}']/Docs", nc.Caption);
							//construct url of the form M:Array.Sort
							string urlnc;
							if (c.Caption == "Constructors")
								urlnc = String.Format ("{0}:{1}.{2}", c.Caption[0], ns_node.Caption, nc.Caption);
							else
								urlnc = String.Format ("{0}:{1}.{2}.{3}", c.Caption[0], ns_node.Caption, typename, nc.Caption);

							//create the doc
							SearchableDocument doc_nod = new SearchableDocument ();
							doc_nod.title = LargeName (nc);
							//dont add the parameters to the hottext
							int ppos = nc.Caption.IndexOf ('(');
							if (ppos != -1)
								doc_nod.hottext =  nc.Caption.Substring (0, ppos);
							else
								doc_nod.hottext = nc.Caption;

							doc_nod.url = urlnc;

							XmlNode xmln = xdoc.SelectSingleNode (xpath);
							if (xmln == null) {
								Error ("Problem: {0}, with xpath: {1}", urlnc, xpath);
								continue;
							}

							text = new StringBuilder ();
							GetTextFromNode (xmln, text);
							doc_nod.text = text.ToString ();

							text = new StringBuilder ();
							GetExamples (xmln, text);
							doc_nod.examples = text.ToString ();

							writer.AddDocument (doc_nod.LuceneDoc);
						}
					}
				//
				// Enumerations: add the enumeration values
				//
				} else if (doc_tag == "Enumeration"){
										
					XmlNodeList members = xdoc.SelectNodes ("/Type/Members/Member");
					if (members == null)
						continue;

					text = new StringBuilder ();
					foreach (XmlNode member_node in members) {
						string enum_value = member_node.Attributes ["MemberName"].InnerText;
						text.Append (enum_value);
						text.Append (" ");
						GetTextFromNode (member_node["Docs"], text);
						text.Append ("\n");
					}
					SearchableDocument doc = new SearchableDocument ();

					text = new StringBuilder ();
					GetExamples (xdoc.SelectSingleNode ("/Type/Docs"), text);
					doc.examples = text.ToString ();

					doc.title = type_node.Caption;
					doc.hottext = xdoc.DocumentElement.Attributes["Name"].Value;
					doc.url = url;
					doc.text = text.ToString();
					writer.AddDocument (doc.LuceneDoc);
				//
				// Add delegates
				//
				} else if (doc_tag == "Delegate"){
					SearchableDocument doc = new SearchableDocument ();
					doc.title = type_node.Caption;
					doc.hottext = xdoc.DocumentElement.Attributes["Name"].Value;
					doc.url = url; 
					
					XmlNode node_sel = xdoc.SelectSingleNode ("/Type/Docs");

					text = new StringBuilder ();
					GetTextFromNode (node_sel, text);
					doc.text = text.ToString();

					text = new StringBuilder ();
					GetExamples (node_sel, text);
					doc.examples = text.ToString();

					writer.AddDocument (doc.LuceneDoc);
				} 
			}
		}
	}
	void AddDocuments (IndexWriter writer, Node node) 
	{
		string url = node.URL;
		Stream file_stream = GetHelpStream (url.Substring (9));
		if (file_stream == null) //Error
			return;
		XmlDocument xdoc = new XmlDocument ();
		xdoc.Load (new XmlTextReader (file_stream));

		//Obtain the title
		XmlNode nelem = xdoc.DocumentElement;
		string title = nelem.Attributes["number"].Value + ": " + nelem.Attributes["title"].Value;

		//Obtain the text
		StringBuilder s = new StringBuilder ();
		GetTextNode (nelem, s);
		string text = s.ToString ();

		//Obatin the examples
		StringBuilder s2 = new StringBuilder ();
		GetExamples (nelem, s2);
		string examples = s2.ToString ();

		//Write to the Lucene Index all the parts
		SearchableDocument doc = new SearchableDocument ();
		doc.title = title;
		doc.hottext = title.Substring (title.IndexOf (':')); 
		doc.url = url;
		doc.text = text;
		doc.examples = examples;
		writer.AddDocument (doc.LuceneDoc);
		
		if (node.IsLeaf)
			return;

		foreach (Node n in node.Nodes)
			AddDocuments (writer, n);
	}