public static string GetHtml (string url, HelpSource helpSource, out Node match)
{
string htmlContent = null;
match = null;
if (helpSource != null)
htmlContent = AppDelegate.Root.RenderUrl (url, generator, out match, helpSource);
if (htmlContent == null) {
// the displayed url have a lower case type code (e.g. t: instead of T:) which confuse monodoc
if (url.Length > 2 && url[1] == ':')
url = char.ToUpperInvariant (url[0]) + url.Substring (1);
// It may also be url encoded so decode it
url = Uri.UnescapeDataString (url);
htmlContent = AppDelegate.Root.RenderUrl (url, generator, out match, helpSource);
if (htmlContent != null && match != null && match.Tree != null)
helpSource = match.Tree.HelpSource;
}
if (htmlContent == null)
return null;
var html = new StringWriter ();
html.Write ("<html>\n<head><title>{0}</title>", url);
if (helpSource != null) {
if (HtmlGenerator.InlineCss != null)
html.Write (" <style type=\"text/css\">{0}</style>\n", HtmlGenerator.InlineCss);
/*if (helpSource.InlineJavaScript != null)
html.Write ("<script type=\"text/JavaScript\">{0}</script>\n", helpSource.InlineJavaScript);*/
}
html.Write ("</head><body>");
html.Write (htmlContent);
html.Write ("</body></html>\n");
return html.ToString ();
}
/// <summary>
/// Load from file constructor
/// </summary>
public Tree (HelpSource hs, string filename)
{
HelpSource = hs;
Encoding utf8 = new UTF8Encoding (false, true);
if (!File.Exists (filename)){
throw new FileNotFoundException ();
}
InputStream = File.OpenRead (filename);
InputReader = new BinaryReader (InputStream, utf8);
byte [] sig = InputReader.ReadBytes (4);
if (!GoodSig (sig))
throw new Exception ("Invalid file format");
InputStream.Position = 4;
// Try to read version information
if (InputReader.ReadInt32 () == -(int)'v')
VersionNumber = InputReader.ReadInt64 ();
else
InputStream.Position -= 4;
var position = InputReader.ReadInt32 ();
rootNode = new Node (this, position);
InflateNode (rootNode);
}
public override string GetText (string url, out Node match_node)
{
match_node = null;
string c = GetCachedText (url);
if (c != null)
return c;
if (url.IndexOf (MAN_PREFIX) > -1)
return GetTextFromUrl (url);
if (url == "root:") {
// display an index of sub-nodes.
StringBuilder buf = new StringBuilder ();
buf.Append ("<table bgcolor=\"#b0c4de\" width=\"100%\" cellpadding=\"5\"><tr><td><h3>Mono Documentation Library</h3></td></tr></table>");
buf.Append ("<p>Available man pages:</p>").Append ("<blockquote>");
foreach (Node n in Tree.Nodes) {
buf.Append ("<a href=\"").Append (n.Element).Append ("\">")
.Append (n.Caption).Append ("</a><br/>");
}
buf.Append ("</blockquote>");
return buf.ToString ();
}
return null;
}
public static string GetHtml (string url, HelpSource helpSource, out Node match)
{
string htmlContent = null;
match = null;
if (helpSource != null)
htmlContent = helpSource.GetText (url, out match);
if (htmlContent == null){
htmlContent = AppDelegate.Root.RenderUrl (url, out match);
if (htmlContent != null && match != null && match.tree != null){
helpSource = match.tree.HelpSource;
}
}
if (htmlContent == null)
return null;
var html = new StringWriter ();
html.Write ("<html>\n<head><title>{0}</title>", url);
if (helpSource != null){
if (helpSource.InlineCss != null)
html.Write (" <style type=\"text/css\">{0}</style>\n", helpSource.InlineCss);
if (helpSource.InlineJavaScript != null)
html.Write ("<script type=\"text/JavaScript\">{0}</script>\n", helpSource.InlineJavaScript);
}
html.Write ("</head><body>");
html.Write (htmlContent);
html.Write ("</body></html>\n");
return html.ToString ();
}
public override string GetText (string url, out Node match_node)
{
string ret = null;
match_node = null;
if (url.StartsWith ("ecmaspec:")) {
match_node = MatchNode (Tree, url);
ret = GetTextFromUrl (url);
}
if (url == "root:") {
if (use_css)
ret = "<div id=\"ecmaspec\" class=\"header\"><div class=\"title\">C# Language Specification</div></div>";
else
ret = "<table width=\"100%\" bgcolor=\"#b0c4de\" cellpadding=\"5\"><tr><td><h3>C# Language Specification</h3></tr></td></table>";
match_node = Tree;
}
if (ret != null && match_node != null && match_node.Nodes != null && match_node.Nodes.Count > 0) {
ret += "<p>In This Section:</p><ul>\n";
foreach (Node child in match_node.Nodes) {
ret += "<li><a href=\"" + child.URL + "\">" + child.Caption + "</a></li>\n";
}
ret += "</ul>\n";
}
if (ret != null)
return BuildHtml (css_ecmaspec_code, ret);
else
return null;
}
public override string GetText (string url, out Node match_node)
{
match_node = null;
string c = GetCachedText (url);
if (c != null)
return c;
if (url == "root:") {
StringBuilder sb = new StringBuilder ();
sb.Append ("<table width=\"100%\" bgcolor=\"#b0c4de\" cellpadding=\"5\"><tr><td><h3>Mono Handbook</h3></tr></td></table>");
foreach (Node n in Tree.Nodes) {
if (n.IsLeaf) {
sb.AppendFormat ("<a href='{0}'>{1}</a><br/>",
n.Element.Replace ("source-id:NNN", "source-id:" + SourceID),
n.Caption);
} else {
sb.AppendFormat ("<h2>{0}</h2>", n.Caption);
foreach (Node subNode in n.Nodes) {
sb.AppendFormat ("<a href='{0}'>{1}</a><br/>",
subNode.Element.Replace ("source-id:NNN", "source-id:" + SourceID),
subNode.Caption);
}
}
}
return sb.ToString ();
}
if (url.IndexOf (XHTML_PREFIX) > -1)
return GetTextFromUrl (url);
return null;
}
void PopulateNode (XPathNodeIterator nodes, Node treeNode)
{
while (nodes.MoveNext ()) {
XPathNavigator n = nodes.Current;
string secNumber = n.GetAttribute ("number", ""),
secName = n.GetAttribute ("name", "");
treeNode.tree.HelpSource.Message (TraceLevel.Info, "\tSection: " + secNumber);
treeNode.tree.HelpSource.PackFile (Path.Combine (basedir, secNumber + ".xml"), secNumber);
Node thisNode = treeNode.LookupNode (secNumber + ": " + secName, "ecmaspec:" + secNumber);
if (n.HasChildren)
PopulateNode (n.SelectChildren ("node", ""), thisNode);
}
}
internal static string GetImageKeyFromNode(Node node)
{
if (node.Caption.EndsWith (" Class"))
return "class.png";
if (node.Caption.EndsWith (" Interface"))
return "interface.png";
if (node.Caption.EndsWith (" Structure"))
return "structure.png";
if (node.Caption.EndsWith (" Enumeration"))
return "enumeration.png";
if (node.Caption.EndsWith (" Delegate"))
return "delegate.png";
var url = node.PublicUrl;
if (!string.IsNullOrEmpty (url) && url.StartsWith ("N:"))
return "namespace.png";
return null;
}
internal static string GetParentImageKeyFromNode(Node node)
{
switch (node.Caption) {
case "Methods":
case "Constructors":
return "method.png";
case "Properties":
return "property.png";
case "Events":
return "event.png";
case "Members":
return "members.png";
case "Fields":
return "field.png";
}
return null;
}
/// <summary>
/// Load from file constructor
/// </summary>
public Tree (HelpSource hs, string filename)
#if LEGACY_MODE
: base (null, null)
#endif
{
HelpSource = hs;
Encoding utf8 = new UTF8Encoding (false, true);
if (!File.Exists (filename)){
throw new FileNotFoundException ();
}
InputStream = File.OpenRead (filename);
InputReader = new BinaryReader (InputStream, utf8);
byte [] sig = InputReader.ReadBytes (4);
if (!GoodSig (sig))
throw new Exception ("Invalid file format");
InputStream.Position = 4;
// Try to read old version information
if (InputReader.ReadInt32 () == VersionNumberKey)
VersionNumber = InputReader.ReadInt64 ();
else {
// We try to see if there is a version number at the end of the file
InputStream.Seek (-(4 + 8), SeekOrigin.End); // VersionNumberKey + long
try {
if (InputReader.ReadInt32 () == VersionNumberKey)
VersionNumber = InputReader.ReadInt64 ();
} catch {}
// We set the stream back at the beginning of the node definition list
InputStream.Position = 4;
}
var position = InputReader.ReadInt32 ();
#if !LEGACY_MODE
rootNode = new Node (this, position);
#else
Address = position;
#endif
InflateNode (RootNode);
}
public static string GetHtml (string url, HelpSource helpSource, out Node match)
{
Console.WriteLine ("Calling URL {0} with HelpSource {1}", url, helpSource == null ? "(null)" : helpSource.Name);
string htmlContent = null;
match = null;
if (helpSource != null)
htmlContent = helpSource.GetText (url, out match);
if (htmlContent == null){
// the displayed url have a lower case type code (e.g. t: instead of T:) which confuse monodoc
if (url.Length > 2 && url[1] == ':')
url = char.ToUpperInvariant (url[0]) + url.Substring (1);
// It may also be url encoded so decode it
url = Uri.UnescapeDataString (url);
htmlContent = Program.Root.RenderUrl (url, out match);
if (htmlContent != null && match != null && match.tree != null){
helpSource = match.tree.HelpSource;
}
}
if (htmlContent == null)
return null;
var html = new StringWriter ();
html.Write ("<html>\n<head><title>{0}</title>", url);
if (helpSource != null){
if (helpSource.InlineCss != null)
html.Write (" <style type=\"text/css\">{0}</style>\n", helpSource.InlineCss);
if (helpSource.InlineJavaScript != null)
html.Write ("<script type=\"text/JavaScript\">{0}</script>\n", helpSource.InlineJavaScript);
}
html.Write ("</head><body>");
html.Write (htmlContent);
html.Write ("</body></html>\n");
return html.ToString ();
}
#pragma warning disable 219
void PopulateDir (Node me, string dir)
{
Console.WriteLine ("Adding: " + dir);
foreach (string child_dir in Directory.GetDirectories (dir)){
string url = Path.GetFileName (child_dir);
Node n = me.LookupNode ("Dir: " + url, "simple-directory:" + url);
PopulateDir (me, child_dir);
}
foreach (string file in Directory.GetFiles (dir)){
Console.WriteLine (" File: " + file);
string file_code = me.tree.HelpSource.PackFile (file);
//
// The url element encoded for the file is:
// originalfilename#CODE
//
// The code is assigned to us after the file has been packaged
// We use the original-filename later to render html or text files
//
Node n = me.LookupNode (Path.GetFileName (file), file + "#" + file_code);
}
}
public override string GetText (string url, out Node match_node) {
if (url == "root:") {
match_node = null;
//load index.xml
XmlDocument index = new XmlDocument ();
index.Load (Path.Combine (basedir.FullName, "index.xml"));
XmlNodeList nodes = index.SelectNodes ("/Overview/Types/Namespace");
//recreate masteroverview.xml
XmlDocument summary = new XmlDocument ();
XmlElement elements = summary.CreateElement ("elements");
foreach (XmlNode node in nodes) {
XmlElement ns = summary.CreateElement ("namespace");
XmlAttribute attr = summary.CreateAttribute ("ns");
attr.Value = EcmaDoc.GetDisplayName (node);
ns.Attributes.Append (attr);
elements.AppendChild (ns);
}
summary.AppendChild (elements);
XmlReader reader = new XmlTextReader (new StringReader (summary.OuterXml));
//transform the recently created masteroverview.xml
XsltArgumentList args = new XsltArgumentList();
args.AddExtensionObject("monodoc:///extensions", ExtObject);
args.AddParam("show", "", "masteroverview");
string s = Htmlize(reader, args);
return BuildHtml (css_ecma_code, js_code, s);
}
return base.GetText(url, out match_node);
}
//
// Extract a large name for the Node
// (copied from mono-tools/docbrowser/browser.Render()
static string LargeName (Node matched_node)
{
string[] parts = matched_node.URL.Split('/', '#');
if(parts.Length == 3 && parts[2] != String.Empty) { //List of Members, properties, events, ...
return parts[1] + ": " + matched_node.Caption;
} else if(parts.Length >= 4) { //Showing a concrete Member, property, ...
return parts[1] + "." + matched_node.Caption;
} else {
return matched_node.Caption;
}
}
internal void ShowNode (Node n)
{
if (n == null)
return;
if (!nodeToWrapper.ContainsKey (n))
ShowNode (n.Parent);
// If the dictionary still doesn't contain anything about us, time to leave
if (!nodeToWrapper.ContainsKey (n))
return;
var item = nodeToWrapper [n];
outlineView.ExpandItem (item);
// Focus the last child, then this child to ensure we show as much as possible
if (n.Nodes.Count > 0)
ScrollToVisible ((Node) n.Nodes [n.Nodes.Count-1]);
var row = ScrollToVisible (n);
ignoreSelect = true;
outlineView.SelectRows (new NSIndexSet (row), false);
ignoreSelect = false;
}
//
// This routine has to perform a lookup on a type.
//
// Example: T:System.Text.StringBuilder
//
// The prefix is the kind of opereation being requested (T:, E:, M: etc)
// ns is the namespace being looked up
// type is the type being requested
//
// This has to walk our toplevel (which is always a namespace)
// And then the type space, and then walk further down depending on the request
//
public override string RenderTypeLookup (string prefix, string ns, string type, string member, out Node match_node)
{
string url = GetUrlForType (prefix, ns, type, member, out match_node);
if (url == null) return null;
return GetTextFromUrl (url);
}
public override string GetText (string url, out Node match_node)
{
match_node = null;
string cached = GetCachedText (url);
if (cached != null)
return cached;
if (url == "root:")
{
XmlReader summary = GetHelpXml ("mastersummary.xml");
if (summary == null)
return null;
XsltArgumentList args = new XsltArgumentList();
args.AddExtensionObject("monodoc:///extensions", ExtObject);
args.AddParam("show", "", "masteroverview");
string s = Htmlize(summary, args);
return BuildHtml (css_ecma_code, js_code, s);
}
if (url.StartsWith ("ecma:")) {
string s = GetTextFromUrl (url);
return BuildHtml (css_ecma_code, js_code, s);
}
return null;
}
void PopulateClass (Tree tree, string ns, Node ns_node, string file)
{
XmlDocument doc = new XmlDocument ();
doc.Load (file);
string name = EcmaDoc.GetClassName (doc);
string assembly = EcmaDoc.GetClassAssembly (doc);
string kind = EcmaDoc.GetTypeKind (doc);
string full = EcmaDoc.GetFullClassName (doc);
Node class_node;
string file_code = ns_node.tree.HelpSource.PackFile (file);
XmlNode class_summary = detached.ImportNode (doc.SelectSingleNode ("/Type/Docs/summary"), true);
ArrayList l = (ArrayList) class_summaries [ns];
if (l == null){
l = new ArrayList ();
class_summaries [ns] = (object) l;
}
l.Add (new TypeInfo (kind, assembly, full, name, class_summary));
class_node = ns_node.LookupNode (String.Format ("{0} {1}", name, kind), "ecma:" + file_code + "#" + name + "/");
if (kind == "Delegate") {
if (doc.SelectSingleNode("/Type/ReturnValue") == null)
tree.HelpSource.Message (TraceLevel.Error, "Delegate " + name + " does not have a ReturnValue node. See the ECMA-style updates.");
}
if (kind == "Enumeration")
return;
if (kind == "Delegate")
return;
//
// Always add the Members node
//
class_node.CreateNode ("Members", "*");
PopulateMember (doc, name, class_node, "Constructor", "Constructors");
PopulateMember (doc, name, class_node, "Method", "Methods");
PopulateMember (doc, name, class_node, "Property", "Properties");
PopulateMember (doc, name, class_node, "Field", "Fields");
PopulateMember (doc, name, class_node, "Event", "Events");
PopulateMember (doc, name, class_node, "Operator", "Operators");
}
//
// Performs an XPath query on the document to extract the nodes for the various members
// we also use some extra text to pluralize the caption
//
void PopulateMember (XmlDocument doc, string typename, Node node, string type, string caption)
{
string select = type;
if (select == "Operator") select = "Method";
XmlNodeList list1 = doc.SelectNodes (String.Format ("/Type/Members/Member[MemberType=\"{0}\"]", select));
ArrayList list = new ArrayList();
int i = 0;
foreach (XmlElement n in list1) {
n.SetAttribute("assembler_index", (i++).ToString());
if (type == "Method" && GetMemberName(n).StartsWith("op_")) continue;
if (type == "Operator" && !GetMemberName(n).StartsWith("op_")) continue;
list.Add(n);
}
int count = list.Count;
if (count == 0)
return;
Node nodes_node;
string key = type.Substring (0, 1);
nodes_node = node.CreateNode (caption, key);
switch (type) {
case "Event":
case "Field":
foreach (XmlElement n in list)
nodes_node.CreateNode (GetMemberName (n), n.GetAttribute("assembler_index"));
break;
case "Constructor":
foreach (XmlElement n in list)
nodes_node.CreateNode (EcmaHelpSource.MakeSignature(n, typename), n.GetAttribute("assembler_index"));
break;
case "Property": // properties with indexers can be overloaded too
case "Method":
case "Operator":
foreach (XmlElement n in list) {
bool multiple = false;
foreach (XmlNode nn in list) {
if (n != nn && GetMemberName(n) == nn.Attributes ["MemberName"].InnerText) {
multiple = true;
break;
}
}
string group, name, sig;
if (type != "Operator") {
name = GetMemberName(n);
sig = EcmaHelpSource.MakeSignature(n, null);
group = name;
} else {
EcmaHelpSource.MakeOperatorSignature(n, out name, out sig);
group = name;
}
if (multiple) {
nodes_node.LookupNode (group, group)
.CreateNode (sig, n.GetAttribute("assembler_index"));
} else {
nodes_node.CreateNode (name, n.GetAttribute("assembler_index"));
}
}
foreach (Node n in nodes_node.Nodes) {
if (!n.IsLeaf)
n.Sort ();
}
break;
default:
throw new InvalidOperationException();
}
nodes_node.Sort ();
}
public Tree (HelpSource hs, Node parent, string caption, string element) : base (parent, caption, element)
{
HelpSource = hs;
}
string RenderMemberLookup (string typename, string member, ref Node type_node)
{
if (type_node.Nodes == null)
return null;
string membername = member;
string[] argtypes = null;
if (member.IndexOf("(") > 0) {
membername = membername.Substring(0, member.IndexOf("("));
member = member.Replace("@", "&");
// reform the member signature with CTS names
string x = member.Substring(member.IndexOf("(")+1);
argtypes = x.Substring(0, x.Length-1).Split(',', ':'); // operator signatures have colons
if (membername == ".ctor")
membername = typename;
member = membername + "(";
for (int i = 0; i < argtypes.Length; i++) {
argtypes[i] = EcmaDoc.ConvertCTSName(argtypes[i]);
if (i > 0) member += ",";
member += argtypes[i];
}
member += ")";
}
// Check if a node caption matches exactly
bool isoperator = false;
if ((membername == "op_Implicit" || membername == "op_Explicit") && argtypes.Length == 2) {
isoperator = true;
membername = "Conversion";
member = argtypes[0] + " to " + argtypes[1];
} else if (membername.StartsWith("op_")) {
isoperator = true;
membername = membername.Substring(3);
}
foreach (Node x in type_node.Nodes){
if (x.Nodes == null)
continue;
if (isoperator && x.Caption != "Operators")
continue;
foreach (Node m in x.Nodes) {
string caption = m.Caption;
string ecaption = ToEscapedMemberName (caption);
if (m.IsLeaf) {
// No overloading (usually), is just the member name. The whole thing for constructors.
if (caption == membername || caption == member ||
ecaption == membername || ecaption == member) {
type_node = m;
return GetTextFromUrl (m.URL);
}
} else if (caption == member || ecaption == member) {
// Though there are overloads, no arguments are in the url, so use this base node
type_node = m;
return GetTextFromUrl (m.URL);
} else {
// Check subnodes which are the overloads -- must match signature
foreach (Node mm in m.Nodes) {
ecaption = ToEscapedTypeName (mm.Caption);
if (mm.Caption == member || ecaption == member) {
type_node = mm;
return GetTextFromUrl (mm.URL);
}
}
}
}
}
return null;
}
public string GetUrlForType (string prefix, string ns, string type, string member, out Node match_node)
{
if (!prefix.EndsWith(":"))
throw new ArgumentException("prefix");
if (member != null)
member = member.Replace ("#", ".").Replace ("{", "<").Replace ("}", ">");
// If a nested type, compare only inner type name to node list.
// This should be removed when the node list doesn't lose the containing type name.
type = ToEscapedTypeName (type.Replace("+", "."));
MatchAttempt[] attempts = GetAttempts (ns, type);
foreach (Node ns_node in Tree.Nodes){
string ns_node_namespace = ns_node.Element.Substring (2);
if (!MatchesNamespace (attempts, ns_node_namespace, out type))
continue;
foreach (Node type_node in ns_node.Nodes){
string element = type_node.Element;
string cname;
if (element.StartsWith("T:")) {
cname = element.Substring(2);
string _ns;
RootTree.GetNamespaceAndType (cname, out _ns, out cname);
cname = ToEscapedTypeName (cname);
int pidx = cname.LastIndexOf (".");
cname = cname.Substring(pidx+1);
pidx = cname.LastIndexOf ("/");
if (pidx != -1)
cname = cname.Substring(0, pidx);
cname = cname.Replace("+", ".");
} else {
int pidx = element.IndexOf ("#");
int sidx = element.IndexOf ("/");
cname = element.Substring (pidx + 1, sidx-pidx-1);
cname = ToEscapedTypeName (cname);
}
//Console.WriteLine ("t:{0} cn:{1} p:{2}", type, cname, prefix);
if (type == cname && prefix == "T:") {
match_node = type_node;
return type_node.URL;
} else if (type.StartsWith (cname)){
int p = cname.Length;
match_node = type_node;
if (type == cname){
string ret = RenderMemberLookup (type, member, ref match_node);
if (ret == null)
return type_node.URL;
return match_node.URL;
} else if (type [p] == '/'){
//
// This handles summaries
//
match_node = null;
foreach (Node nd in type_node.Nodes) {
if (nd.Element [nd.Element.Length - 1] == type [p + 1]) {
match_node = nd;
break;
}
}
string ret = type_node.URL;
if (!ret.EndsWith("/")) ret += "/";
return ret + type.Substring (p + 1);
}
}
}
}
match_node = null;
return null;
}
public virtual string GetIdFromUrl (string prefix, string ns, string type)
{
Node tmp_node = new Node (Tree, "", "");
string url = GetUrlForType (prefix, ns, type, null, out tmp_node);
if (url == null) return null;
return GetFile (url.Substring (5), out url);
}
internal void LoadUrl (string url, bool syncTreeView = false, HelpSource source = null, bool addToHistory = true)
{
if (url.StartsWith ("#")) {
Console.WriteLine ("FIXME: Anchor jump");
return;
}
// In case user click on an external link e.g. [Android documentation] link at bottom of MonoDroid docs
if (url.StartsWith ("http://")) {
UrlLauncher.Launch (url);
return;
}
Console.WriteLine ("Loading {0}", url);
var ts = Interlocked.Increment (ref loadUrlTimestamp);
Task.Factory.StartNew (() => {
Node node;
var res = DocTools.GetHtml (url, source, out node);
return new { Node = node, Html = res };
}).ContinueWith (t => {
var node = t.Result.Node;
var res = t.Result.Html;
if (res != null){
BeginInvokeOnMainThread (() => {
if (ts < loadUrlTimestamp)
return;
currentUrl = node == null ? url : node.PublicUrl;
InvalidateRestorableState ();
if (addToHistory)
history.AppendHistory (new LinkPageVisit (this, currentUrl));
LoadHtml (res);
this.match = node;
if (syncTreeView) {
// When navigation occurs after a link on search result is clicked
// we need to show the panel so that ShowNode work as expected
tabSelector.SelectAt (0);
}
// Bookmark spinner management
var bookmarkIndex = AppDelegate.BookmarkManager.FindIndexOfBookmarkFromUrl (url);
if (bookmarkIndex == -1 || bookmarkIndex < bookmarkSelector.ItemCount)
bookmarkSelector.SelectItem (bookmarkIndex);
});
}
});
}
internal void LoadUrl (string url, bool syncTreeView = false, HelpSource source = null, bool addToHistory = true)
{
if (url.StartsWith ("#")) {
Console.WriteLine ("FIXME: Anchor jump");
return;
}
var ts = Interlocked.Increment (ref loadUrlTimestamp);
Task.Factory.StartNew (() => {
Node node;
var res = DocTools.GetHtml (url, source, out node);
return new { Node = node, Html = res };
}).ContinueWith (t => {
var node = t.Result.Node;
var res = t.Result.Html;
if (res != null){
BeginInvokeOnMainThread (() => {
if (ts < loadUrlTimestamp)
return;
currentUrl = node == null ? url : node.PublicUrl;
if (addToHistory)
history.AppendHistory (new LinkPageVisit (this, currentUrl));
LoadHtml (res);
if (syncTreeView) {
// When navigation occurs after a link on search result is clicked
// we need to show the panel so that ShowNode work as expected
tabSelector.SelectAt (0);
this.match = node;
}
// Bookmark spinner management
if (currentBookmarkIndex != -1) {
bookmarkSelector.SelectItem (currentBookmarkIndex);
currentBookmarkIndex = -1;
} else {
bookmarkSelector.SelectItem (-1);
}
});
}
});
}
public override string GetText (string url, out Node match_node)
{
match_node = null;
if (url == "root:")
if (HelpSource.use_css)
return BuildHtml (css_error_code, "<div id=\"error_ref\" class=\"header\"><div class=\"title\">Compiler Error Reference</div></div>");
else
return BuildHtml (String.Empty, "<table width=\"100%\" bgcolor=\"#b0c4de\" cellpadding=\"5\"><tr><td><h3>Compiler Error Reference</h3></tr></td></table>");
if (!url.StartsWith ("error:"))
return null;
foreach (Node n in Tree.Nodes) {
if (n.Element != url) continue;
match_node = n;
XmlSerializer reader = new XmlSerializer (typeof (ErrorDocumentation));
ErrorDocumentation d = (ErrorDocumentation)reader.Deserialize (
GetHelpStream (n.Element.Substring (6))
);
return BuildHtml (css_error_code, d.RenderAsHtml ());
}
return null;
}
void HandleWebViewFinishedLoad (object sender, WebFrameEventArgs e)
{
if (match != null) {
ShowNode (match);
match = null;
}
if (navigationCells.SelectedSegment != -1)
navigationCells.SetSelected (false, navigationCells.SelectedSegment);
var dom = e.ForFrame.DomDocument;
// Update the title of the current page
var elements = dom.GetElementsByTagName ("title");
if (elements.Count > 0 && !string.IsNullOrWhiteSpace (elements[0].TextContent))
currentTitle = elements[0].TextContent.Length > 2 ? elements[0].TextContent.Substring (2) : elements[0].TextContent;
// Process embedded images coming from doc source
// Because WebView doesn't let me answer a NSUrlRequest myself I have to resort to this piece of crap of a solution
var imgs = dom.GetElementsByTagName ("img").Where (node => node.Attributes["src"].Value.StartsWith ("source-id"));
byte[] buffer = new byte[4096];
foreach (var img in imgs) {
var src = img.Attributes["src"].Value;
var imgStream = AppDelegate.Root.GetImage (src);
if (imgStream == null)
continue;
var length = imgStream.Read (buffer, 0, buffer.Length);
var read = length;
while (read != 0) {
if (length == buffer.Length) {
var oldBuffer = buffer;
buffer = new byte[oldBuffer.Length * 2];
Buffer.BlockCopy (oldBuffer, 0, buffer, 0, oldBuffer.Length);
}
length += read = imgStream.Read (buffer, length, buffer.Length - length);
}
var data = Convert.ToBase64String (buffer, 0, length, Base64FormattingOptions.None);
var uri = "data:image/" + src.Substring (src.LastIndexOf ('.')) + ";base64," + data;
((DomElement)img).SetAttribute ("src", uri);
}
}
public override string RenderNamespaceLookup (string nsurl, out Node match_node)
{
foreach (Node ns_node in Tree.Nodes){
if (ns_node.Element != nsurl)
continue;
match_node = ns_node;
string ns_name = nsurl.Substring (2);
XmlDocument doc = GetNamespaceDocument (ns_name);
if (doc == null)
return null;
XsltArgumentList args = new XsltArgumentList();
args.AddExtensionObject("monodoc:///extensions", ExtObject);
args.AddParam("show", "", "namespace");
args.AddParam("namespace", "", ns_name);
string s = Htmlize(new XmlNodeReader (doc), args);
return BuildHtml (css_ecma_code, js_code, s);
}
match_node = null;
return null;
}
int ScrollToVisible (Node n)
{
var item = nodeToWrapper [n];
var row = outlineView.RowForItem (item);
outlineView.ScrollRowToVisible (row);
return row;
}
//
// Obtain an URL of the type T:System.Object from the node
//
public static string GetNiceUrl (Node node) {
if (node.Element.StartsWith("N:"))
return node.Element;
string name, full;
int bk_pos = node.Caption.IndexOf (' ');
// node from an overview
if (bk_pos != -1) {
name = node.Caption.Substring (0, bk_pos);
full = node.Parent.Caption + "." + name.Replace ('.', '+');
return "T:" + full;
}
// node that lists constructors, methods, fields, ...
if ((node.Caption == "Constructors") || (node.Caption == "Fields") || (node.Caption == "Events")
|| (node.Caption == "Members") || (node.Caption == "Properties") || (node.Caption == "Methods")
|| (node.Caption == "Operators")) {
bk_pos = node.Parent.Caption.IndexOf (' ');
name = node.Parent.Caption.Substring (0, bk_pos);
full = node.Parent.Parent.Caption + "." + name.Replace ('.', '+');
return "T:" + full + "/" + node.Element;
}
int pr_pos = node.Caption.IndexOf ('(');
// node from a constructor
if (node.Parent.Element == "C") {
name = node.Parent.Parent.Parent.Caption;
int idx = node.URL.IndexOf ('/');
return node.URL[idx+1] + ":" + name + "." + node.Caption.Replace ('.', '+');
// node from a method with one signature, field, property, operator
} else if (pr_pos == -1) {
bk_pos = node.Parent.Parent.Caption.IndexOf (' ');
name = node.Parent.Parent.Caption.Substring (0, bk_pos);
full = node.Parent.Parent.Parent.Caption + "." + name.Replace ('.', '+');
int idx = node.URL.IndexOf ('/');
return node.URL[idx+1] + ":" + full + "." + node.Caption;
// node from a method with several signatures
} else {
bk_pos = node.Parent.Parent.Parent.Caption.IndexOf (' ');
name = node.Parent.Parent.Parent.Caption.Substring (0, bk_pos);
full = node.Parent.Parent.Parent.Parent.Caption + "." + name.Replace ('.', '+');
int idx = node.URL.IndexOf ('/');
return node.URL[idx+1] + ":" + full + "." + node.Caption;
}
}
