//
// 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);
}