X-Git-Url: http://nitlanguage.org

diff --git a/src/ni_nitdoc.nit b/src/ni_nitdoc.nit
index 2db5723..535614b 100644
--- a/src/ni_nitdoc.nit
+++ b/src/ni_nitdoc.nit
@@ -1,7 +1,5 @@
 # This file is part of NIT ( http://www.nitlanguage.org ).
 #
-# Copyright 2008 Jean Privat <jean@pryen.org>
-#
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
@@ -14,38 +12,52 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# Documentation generator for the nit language.
+# Generate API documentation in HTML format from nit source code.
 module ni_nitdoc
 
 import model_utils
-import abstract_compiler
-import html
+import modelize_property
+
+# The NitdocContext contains all the knowledge used for doc generation
+class NitdocContext
 
-class Nitdoc
-	private var toolcontext: ToolContext
+	private var toolcontext = new ToolContext
 	private var model: Model
-	private var modelbuilder: ModelBuilder
+	private var mbuilder: ModelBuilder
 	private var mainmodule: MModule
+	private var class_hierarchy: POSet[MClass]
 	private var arguments: Array[String]
-	private var destinationdir: nullable String
-	private var sharedir: nullable String
+	private var output_dir: nullable String
+	private var dot_dir: nullable String
+	private var share_dir: nullable String
 	private var source: nullable String
+	private var min_visibility: MVisibility
 
 	private var opt_dir = new OptionString("Directory where doc is generated", "-d", "--dir")
 	private var opt_source = new OptionString("What link for source (%f for filename, %l for first line, %L for last line)", "--source")
 	private var opt_sharedir = new OptionString("Directory containing the nitdoc files", "--sharedir")
 	private var opt_nodot = new OptionBool("Do not generate graphes with graphiviz", "--no-dot")
+	private var opt_private: OptionBool = new OptionBool("Generate the private API", "--private")
+
+	private var opt_custom_title: OptionString = new OptionString("Title displayed in the top of the Overview page and as suffix of all page names", "--custom-title")
+	private var opt_custom_menu_items: OptionString = new OptionString("Items displayed in menu before the 'Overview' item (Each item must be enclosed in 'li' tags)", "--custom-menu-items")
+	private var opt_custom_overview_text: OptionString = new OptionString("Text displayed as introduction of Overview page before the modules list", "--custom-overview-text")
+	private var opt_custom_footer_text: OptionString = new OptionString("Text displayed as footer of all pages", "--custom-footer-text")
 
-	init(toolcontext: ToolContext) do
-		# We need a model to collect stufs
-		self.toolcontext = toolcontext
+	init do
 		self.arguments = toolcontext.option_context.rest
 		toolcontext.option_context.options.clear
 		toolcontext.option_context.add_option(opt_dir)
 		toolcontext.option_context.add_option(opt_source)
 		toolcontext.option_context.add_option(opt_sharedir)
 		toolcontext.option_context.add_option(opt_nodot)
+		toolcontext.option_context.add_option(opt_private)
+		toolcontext.option_context.add_option(opt_custom_title)
+		toolcontext.option_context.add_option(opt_custom_footer_text)
+		toolcontext.option_context.add_option(opt_custom_overview_text)
+		toolcontext.option_context.add_option(opt_custom_menu_items)
 		toolcontext.process_options
-		process_options
 
 		if arguments.length < 1 then
 			toolcontext.option_context.usage
@@ -53,24 +65,31 @@ class Nitdoc
 		end
 
 		model = new Model
-		modelbuilder = new ModelBuilder(model, toolcontext)
-
-		# Here we load an process std modules
-		var mmodules = modelbuilder.parse_and_build([arguments.first])
+		mbuilder = new ModelBuilder(model, toolcontext)
+		# Here we load an process all modules passed on the command line
+		var mmodules = mbuilder.parse(arguments)
 		if mmodules.is_empty then return
-		modelbuilder.full_propdef_semantic_analysis
-		assert mmodules.length == 1
-		self.mainmodule = mmodules.first
+		mbuilder.run_phases
+
+		if mmodules.length == 1 then
+			mainmodule = mmodules.first
+		else
+			# We need a main module, so we build it by importing all modules
+			mainmodule = new MModule(model, null, "<main>", new Location(null, 0, 0, 0, 0))
+			mainmodule.set_imported_mmodules(mmodules)
+		end
+		self.class_hierarchy = mainmodule.flatten_mclass_hierarchy
+		self.process_options
 	end
 
 	private fun process_options do
 		if not opt_dir.value is null then
-			destinationdir = opt_dir.value
+			output_dir = opt_dir.value
 		else
-			destinationdir = "nitdoc_directory"
+			output_dir = "doc"
 		end
 		if not opt_sharedir.value is null then
-			sharedir = opt_sharedir.value
+			share_dir = opt_sharedir.value
 		else
 			var dir = "NIT_DIR".environ
 			if dir.is_empty then
@@ -78,1258 +97,1497 @@ class Nitdoc
 			else
 				dir = "{dir}/share/nitdoc"
 			end
-			sharedir = dir
-			if sharedir is null then
+			share_dir = dir
+			if share_dir is null then
 				print "Error: Cannot locate nitdoc share files. Uses --sharedir or envvar NIT_DIR"
 				abort
 			end
-			dir = "{sharedir.to_s}/scripts/js-facilities.js"
-			if sharedir is null then
+			dir = "{share_dir.to_s}/scripts/js-facilities.js"
+			if share_dir is null then
 				print "Error: Invalid nitdoc share files. Check --sharedir or envvar NIT_DIR"
 				abort
 			end
+
+			if opt_private.value then
+				min_visibility = none_visibility
+			else
+				min_visibility = protected_visibility
+			end
 		end
-		if not opt_source.value is null then
-			source = ""
-		else
-			source = opt_source.value
-		end
+		source = opt_source.value
+	end
+
+	fun generate_nitdoc do
+		# Create destination dir if it's necessary
+		if not output_dir.file_exists then output_dir.mkdir
+		sys.system("cp -r {share_dir.to_s}/* {output_dir.to_s}/")
+		self.dot_dir = null
+		if not opt_nodot.value then self.dot_dir = output_dir.to_s
+		overview
+		fullindex
+		modules
+		classes
+		quicksearch_list
 	end
 
-	fun start do
-		if arguments.length == 1 then
-			# Create destination dir if it's necessary
-			if not destinationdir.file_exists then destinationdir.mkdir
-			sys.system("cp -r {sharedir.to_s}/* {destinationdir.to_s}/")
-			overview
-			fullindex
-			modules
-			classes
-			quicksearch_list
-		end
+	private fun overview do
+		var overviewpage = new NitdocOverview(self, dot_dir)
+		overviewpage.save("{output_dir.to_s}/index.html")
 	end
 
-	fun overview do
-		var overviewpage = new NitdocOverview.with(modelbuilder.nmodules, self.opt_nodot.value, destinationdir.to_s)
-		overviewpage.save("{destinationdir.to_s}/index.html")
+	private fun fullindex do
+		var fullindex = new NitdocFullindex(self)
+		fullindex.save("{output_dir.to_s}/full-index.html")
 	end
 
-	fun fullindex do
-		var fullindex = new NitdocFullindex.with(model.mmodules)
-		fullindex.save("{destinationdir.to_s}/full-index.html")
+	private fun modules do
+		for mmodule in model.mmodules do
+			if mmodule.name == "<main>" then continue
+			var modulepage = new NitdocModule(mmodule, self, dot_dir)
+			modulepage.save("{output_dir.to_s}/{mmodule.url}")
+		end
 	end
 
-	fun modules do
-		for mod in modelbuilder.nmodules do
-			var modulepage = new NitdocModules.with(mod)
-			modulepage.save("{destinationdir.to_s}/{mod.mmodule.name}.html")
+	private fun classes do
+		for mclass in mbuilder.model.mclasses do
+			var classpage = new NitdocClass(mclass, self, dot_dir, source)
+			classpage.save("{output_dir.to_s}/{mclass.url}")
 		end
 	end
 
-	fun classes do
-		for amodule in modelbuilder.nmodules do
-			for mclass, aclassdef in amodule.mclass2nclassdef do
-				mclass.amodule(modelbuilder.mmodule2nmodule)
-				mclass.mmethod(aclassdef.mprop2npropdef)
-				var classpage = new NitdocMClasses.with(mclass, aclassdef, source)
-				classpage.save("{destinationdir.to_s}/{mclass.name}.html")
+	private fun quicksearch_list do
+		var file = new OFStream.open("{output_dir.to_s}/quicksearch-list.js")
+		file.write("var entries = \{ ")
+		for mmodule in model.mmodules do
+			file.write("\"{mmodule.name}\": [")
+			file.write("\{txt: \"{mmodule.name}\", url:\"{mmodule.url}\" \},")
+			file.write("],")
+		end
+		for mclass in model.mclasses do
+			if mclass.visibility < min_visibility then continue
+			file.write("\"{mclass.name}\": [")
+			file.write("\{txt: \"{mclass.name}\", url:\"{mclass.url}\" \},")
+			file.write("],")
+		end
+		var name2mprops = new HashMap[String, Set[MPropDef]]
+		for mproperty in model.mproperties do
+			if mproperty.visibility < min_visibility then continue
+			if mproperty isa MAttribute then continue
+			if not name2mprops.has_key(mproperty.name) then name2mprops[mproperty.name] = new HashSet[MPropDef]
+			name2mprops[mproperty.name].add_all(mproperty.mpropdefs)
+		end
+		for mproperty, mpropdefs in name2mprops do
+			file.write("\"{mproperty}\": [")
+			for mpropdef in mpropdefs do
+				file.write("\{txt: \"{mpropdef.full_name}\", url:\"{mpropdef.url}\" \},")
 			end
+			file.write("],")
 		end
+		file.write(" \};")
+		file.close
 	end
 
-	# Generate QuickSearch file
-	fun quicksearch_list do
-		var file = new OFStream.open("{destinationdir.to_s}/quicksearch-list.js")
-		var content = new Buffer
-		content.append("var entries = \{ ")
-		for prop in model.mproperties do
-			if not prop isa MMethod then continue
-			content.append("\"{prop.name}\": [")
-			for propdef in prop.mpropdefs do
-				content.append("\{txt: \"{propdef.mproperty.full_name}\", url:\"{propdef.mproperty.link_anchor}\" \}")
-				if not propdef is prop.mpropdefs.last then content.append(", ")
-			end
-			content.append("]")
-			content.append(", ")
+end
+
+# Nitdoc base page
+abstract class NitdocPage
+
+	var dot_dir: nullable String
+	var source: nullable String
+	var ctx: NitdocContext
+
+	init(ctx: NitdocContext) do
+		self.ctx = ctx
+	end
+
+	protected fun head do
+		append("<meta charset='utf-8'/>")
+		append("<script type='text/javascript' src='scripts/jquery-1.7.1.min.js'></script>")
+		append("<script type='text/javascript' src='scripts/ZeroClipboard.min.js'></script>")
+		append("<script type='text/javascript' src='quicksearch-list.js'></script>")
+		append("<script type='text/javascript' src='scripts/base64.js'></script>")
+		append("<script type='text/javascript' src='scripts/github.js'></script>")
+		append("<script type='text/javascript' src='scripts/js-facilities.js'></script>")
+		append("<link rel='stylesheet' href='styles/main.css' type='text/css' media='screen'/>")
+		var title = ""
+		if ctx.opt_custom_title.value != null then
+			title = " | {ctx.opt_custom_title.value.to_s}"
 		end
+		append("<title>{self.title}{title}</title>")
+	end
 
-		for mclass in model.mclasses do
-			content.append("\"{mclass.name}\": [")
-			for mclassdef in mclass.mclassdefs do
-				content.append("\{txt: \"{mclassdef.mclass.full_name}\", url:\"{mclass.link_anchor}\" \}")
-				if not mclassdef is mclass.mclassdefs.last then content.append(", ")
-			end
-			content.append("]")
-			if not mclass is model.mclasses.last then content.append(", ")
+	protected fun menu do
+		if ctx.opt_custom_menu_items.value != null then
+			append(ctx.opt_custom_menu_items.value.to_s)
 		end
+	end
+
+	protected fun title: String is abstract
 
-		content.append(" \};")
-		file.write(content.to_s)
+	protected fun header do
+		append("<header>")
+		append("<nav class='main'>")
+		append("<ul>")
+		menu
+		append("</ul>")
+		append("</nav>")
+		append("</header>")
+	end
+
+	protected fun content is abstract
+
+	protected fun footer do
+		if ctx.opt_custom_footer_text.value != null then
+			append("<footer>{ctx.opt_custom_footer_text.value.to_s}</footer>")
+		end
+	end
+
+	# Generate a clickable graphviz image using a dot content
+	protected fun generate_dot(dot: String, name: String, alt: String) do
+		var output_dir = dot_dir
+		if output_dir == null then return
+		var file = new OFStream.open("{output_dir}/{name}.dot")
+		file.write(dot)
 		file.close
+		sys.system("\{ test -f {output_dir}/{name}.png && test -f {output_dir}/{name}.s.dot && diff {output_dir}/{name}.dot {output_dir}/{name}.s.dot >/dev/null 2>&1 ; \} || \{ cp {output_dir}/{name}.dot {output_dir}/{name}.s.dot && dot -Tpng -o{output_dir}/{name}.png -Tcmapx -o{output_dir}/{name}.map {output_dir}/{name}.s.dot ; \}")
+		append("<article class='graph'>")
+		append("<img src='{name}.png' usemap='#{name}' style='margin:auto' alt='{alt}'/>")
+		append("</article>")
+		var fmap = new IFStream.open("{output_dir}/{name}.map")
+		append(fmap.read_all)
+		fmap.close
+	end
+
+	# Add a (source) link for a given location
+	protected fun show_source(l: Location): String
+	do
+		if source == null then
+			return "({l.file.filename.simplify_path})"
+		else
+			# THIS IS JUST UGLY ! (but there is no replace yet)
+			var x = source.split_with("%f")
+			source = x.join(l.file.filename.simplify_path)
+			x = source.split_with("%l")
+			source = x.join(l.line_start.to_s)
+			x = source.split_with("%L")
+			source = x.join(l.line_end.to_s)
+			return " (<a target='_blank' title='Show source' href=\"{source.to_s}\">source</a>)"
+		end
 	end
 
+	# Render the page as a html string
+	protected fun render do
+		append("<!DOCTYPE html>")
+		append("<head>")
+		head
+		append("</head>")
+		append("<body>")
+		header
+		append("<div class='page'>")
+		content
+		append("</div>")
+		footer
+		append("</body>")
+	end
+
+	# Append a string to the page
+	fun append(s: String) do out.write(s)
+
+	# Save html page in the specified file
+	fun save(file: String) do
+		self.out = new OFStream.open(file)
+		render
+		self.out.close
+	end
+	private var out: nullable OFStream
 end
 
+# The overview page
 class NitdocOverview
 	super NitdocPage
+	private var mbuilder: ModelBuilder
+	private var mmodules = new Array[MModule]
+
+	init(ctx: NitdocContext, dot_dir: nullable String) do
+		super(ctx)
+		self.mbuilder = ctx.mbuilder
+		self.dot_dir = dot_dir
+		# get modules
+		var mmodules = new HashSet[MModule]
+		for mmodule in mbuilder.model.mmodules do
+			if mmodule.name == "<main>" then continue
+			var owner = mmodule.public_owner
+			if owner != null then
+				mmodules.add(owner)
+			else
+				mmodules.add(mmodule)
+			end
+		end
+		# sort modules
+		var sorter = new MModuleNameSorter
+		self.mmodules.add_all(mmodules)
+		sorter.sort(self.mmodules)
+	end
 
-	var amodules: Array[AModule]
+	redef fun title do return "Overview"
 
-	# Init with Array[AModule] to get all ifnormations about each MModule containt in a program
-	# opt_nodot to inform about the graph gen
-	# destination: to know where will be saved dot files
-	init with(modules: Array[AModule], opt_nodot: Bool, destination: String) do
-		self.amodules = modules
-		self.opt_nodot = opt_nodot
-		self.destinationdir = destination
+	redef fun menu do
+		super
+		append("<li class='current'>Overview</li>")
+		append("<li><a href='full-index.html'>Full Index</a></li>")
 	end
 
-	redef fun head do
-		super
-		add("title").text("Overview | Nit Standard Library")
-	end
-
-	redef fun header do
-		open("header")
-		open("nav").add_class("main")
-		open("ul")
-		add("li").add_class("current").text("Overview")
-		open("li")
-		add_html("<a href=\"full-index.html\">Full Index</a>")
-		close("li")
-		open("li").attr("id", "liGitHub")
-		open("a").add_class("btn").attr("id", "logGitHub")
-		add("img").attr("id", "imgGitHub").attr("src", "resources/icons/github-icon.png")
-		close("a")
-		open("div").add_class("popover bottom")
-		add("div").add_class("arrow").text(" ")
-		open("div").add_class("githubTitle")
-		add("h3").text("Github Sign In")
-		close("div")
-		open("div")
-		add("label").attr("id", "lbloginGit").text("Username")
-		add("input").attr("id", "loginGit").attr("name", "login").attr("type", "text")
-		open("label").attr("id", "logginMessage").text("Hello ")
-		open("a").attr("id", "githubAccount")
-		add("strong").attr("id", "nickName").text(" ")
-		close("a")
-		close("label")
-		close("div")
-		open("div")
-		add("label").attr("id", "lbpasswordGit").text("Password")
-		add("input").attr("id", "passwordGit").attr("name", "password").attr("type", "password")
-		open("div").attr("id", "listBranches")
-		add("label").attr("id", "lbBranches").text("Branch")
-		add("select").add_class("dropdown").attr("id", "dropBranches").attr("name", "dropBranches").attr("tabindex", "1").text(" ")
-		close("div")
-		close("div")
-		open("div")
-		add("label").attr("id", "lbrepositoryGit").text("Repository")
-		add("input").attr("id", "repositoryGit").attr("name", "repository").attr("type", "text")
-		close("div")
-		open("div")
-		add("label").attr("id", "lbbranchGit").text("Branch")
-		add("input").attr("id", "branchGit").attr("name", "branch").attr("type", "text")
-		close("div")
-		open("div")
-		add("a").attr("id", "signIn").text("Sign In")
-		close("div")
-		close("div")
-		close("li")
-		close("ul")
-		close("nav")
-		close("header")
-	end
-
-	redef fun body do
-		super
-		open("div").add_class("page")
-		open("div").add_class("content fullpage")
-		add("h1").text("Nit Standard Library")
-		open("article").add_class("overview")
-		add_html("<p>Documentation for the standard library of Nit<br />Version jenkins-component=stdlib-19<br />Date: TODAY</p>")
-		close("article")
-		open("article").add_class("overview")
-		add("h2").text("Modules")
-		open("ul")
-		add_modules
-		close("ul")
+	redef fun content do
+		var footed = ""
+		if ctx.opt_custom_footer_text.value != null then footed = "footed"
+		append("<div class='content fullpage {footed}'>")
+		var title = "Overview"
+		if ctx.opt_custom_title.value != null then
+			title = ctx.opt_custom_title.value.to_s
+		end
+		append("<h1>{title}</h1>")
+		var text = ""
+		if ctx.opt_custom_overview_text.value != null then
+			text = ctx.opt_custom_overview_text.value.to_s
+		end
+		append("<article class='overview'>{text}</article>")
+		append("<article class='overview'>")
+		# module list
+		append("<h2>Modules</h2>")
+		append("<ul>")
+		for mmodule in mmodules do
+			if mbuilder.mmodule2nmodule.has_key(mmodule) then
+				var amodule = mbuilder.mmodule2nmodule[mmodule]
+				append("<li>")
+				mmodule.html_link(self)
+				append("&nbsp;{amodule.short_comment}</li>")
+			end
+		end
+		append("</ul>")
+		# module graph
 		process_generate_dot
-		close("article")
-		close("div")
-		close("div")
-		add("footer").text("Nit standard library. Version jenkins-component=stdlib-19.")
-	end
-
-	fun add_modules do
-		var ls = new List[nullable MModule]
-		for amodule in amodules do
-			var mmodule = amodule.mmodule.public_owner
-			if mmodule != null and not ls.has(mmodule) then
-				open("li")
-				add("a").attr("href", "{mmodule.name}.html").text("{mmodule.to_s} ")
-				add_html(amodule.comment)
-				close("li")
-				ls.add(mmodule)
+		append("</article>")
+		append("</div>")
+	end
+
+	private fun process_generate_dot do
+		# build poset with public owners
+		var poset = new POSet[MModule]
+		for mmodule in mmodules do
+			poset.add_node(mmodule)
+			for omodule in mmodules do
+				if mmodule == omodule then continue
+				if mmodule.in_importation < omodule then
+					poset.add_node(omodule)
+					poset.add_edge(mmodule, omodule)
+				end
 			end
 		end
-	end
-
-	fun process_generate_dot do
+		# build graph
 		var op = new Buffer
 		op.append("digraph dep \{ rankdir=BT; node[shape=none,margin=0,width=0,height=0,fontsize=10]; edge[dir=none,color=gray]; ranksep=0.2; nodesep=0.1;\n")
-		for amodule in amodules do
-			op.append("\"{amodule.mmodule.name}\"[URL=\"{amodule.mmodule.name}.html\"];\n")
-			for mmodule2 in amodule.mmodule.in_importation.direct_greaters do
-				op.append("\"{amodule.mmodule.name}\"->\"{mmodule2.name}\";\n")
+		for mmodule in poset do
+			op.append("\"{mmodule.name}\"[URL=\"{mmodule.url}\"];\n")
+			for omodule in poset[mmodule].direct_greaters do
+				op.append("\"{mmodule.name}\"->\"{omodule.name}\";\n")
 			end
 		end
 		op.append("\}\n")
 		generate_dot(op.to_s, "dep", "Modules hierarchy")
 	end
-
 end
 
+# The full index page
 class NitdocFullindex
 	super NitdocPage
 
-	var mmodules: Array[MModule]
-
-	init with(mmodules: Array[MModule]) do
-		self.mmodules = mmodules
-		opt_nodot = false
-		destinationdir = ""
+	init(ctx: NitdocContext) do
+		super(ctx)
+		self.dot_dir = null
 	end
 
-	redef fun head do
-		super
-		add("title").text("Full Index | Nit Standard Library")
-	end
-
-	redef fun header do
-		open("header")
-		open("nav").add_class("main")
-		open("ul")
-		open("li")
-		add_html("<a href=\"index.html\">Overview</a>")
-		close("li")
-		add("li").add_class("current").text("Full Index")
-		open("li").attr("id", "liGitHub")
-		open("a").add_class("btn").attr("id", "logGitHub")
-		add("img").attr("id", "imgGitHub").attr("src", "resources/icons/github-icon.png")
-		close("a")
-		open("div").add_class("popover bottom")
-		add("div").add_class("arrow").text(" ")
-		open("div").add_class("githubTitle")
-		add("h3").text("Github Sign In")
-		close("div")
-		open("div")
-		add("label").attr("id", "lbloginGit").text("Username")
-		add("input").attr("id", "loginGit").attr("name", "login").attr("type", "text")
-		open("label").attr("id", "logginMessage").text("Hello ")
-		open("a").attr("id", "githubAccount")
-		add("strong").attr("id", "nickName").text(" ")
-		close("a")
-		close("label")
-		close("div")
-		open("div")
-		add("label").attr("id", "lbpasswordGit").text("Password")
-		add("input").attr("id", "passwordGit").attr("name", "password").attr("type", "password")
-		open("div").attr("id", "listBranches")
-		add("label").attr("id", "lbBranches").text("Branch")
-		add("select").add_class("dropdown").attr("id", "dropBranches").attr("name", "dropBranches").attr("tabindex", "1").text(" ")
-		close("div")
-		close("div")
-		open("div")
-		add("label").attr("id", "lbrepositoryGit").text("Repository")
-		add("input").attr("id", "repositoryGit").attr("name", "repository").attr("type", "text")
-		close("div")
-		open("div")
-		add("label").attr("id", "lbbranchGit").text("Branch")
-		add("input").attr("id", "branchGit").attr("name", "branch").attr("type", "text")
-		close("div")
-		open("div")
-		add("a").attr("id", "signIn").text("Sign In")
-		close("div")
-		close("div")
-		close("li")
-		close("ul")
-		close("nav")
-		close("header")
-	end
-
-	redef fun body do
+	redef fun title do return "Full Index"
+
+	redef fun menu do
 		super
-		open("div").add_class("page")
-		open("div").add_class("content fullpage")
-		add("h1").text("Full Index")
-		add_content
-		close("div")
-		close("div")
-		add("footer").text("Nit standard library. Version jenkins-component=stdlib-19.")
+		append("<li><a href='index.html'>Overview</a></li>")
+		append("<li class='current'>Full Index</li>")
 	end
 
-	fun add_content do
+	redef fun content do
+		var footed = ""
+		if ctx.opt_custom_footer_text.value != null then footed = "footed"
+		append("<div class='content fullpage {footed}'>")
+		append("<h1>Full Index</h1>")
 		module_column
 		classes_column
 		properties_column
+		append("</div>")
 	end
 
 	# Add to content modules column
-	fun module_column do
-		var ls = new List[nullable MModule]
-		var sorted = mmodules
-		var sorterp = new ComparableSorter[MModule]
-		sorterp.sort(sorted)
-		open("article").add_class("modules filterable")
-		add("h2").text("Modules")
-		open("ul")
+	private fun module_column do
+		var sorted = ctx.mbuilder.model.mmodule_importation_hierarchy.to_a
+		var sorter = new MModuleNameSorter
+		sorter.sort(sorted)
+		append("<article class='modules filterable'>")
+		append("<h2>Modules</h2>")
+		append("<ul>")
 		for mmodule in sorted do
-			if mmodule.public_owner != null and not ls.has(mmodule.public_owner) then
-				ls.add(mmodule.public_owner)
-				open("li")
-				add("a").attr("href", "{mmodule.public_owner.name}.html").text(mmodule.public_owner.name)
-				close("li")
-			end
+			append("<li>")
+			mmodule.html_link(self)
+			append("</li>")
 		end
-		close("ul")
-		close("article")
+		append("</ul>")
+		append("</article>")
 	end
 
 	# Add to content classes modules
-	fun classes_column do
-		var sorted = mmodules.first.imported_mclasses.to_a
-		var sorterp = new ComparableSorter[MClass]
-		sorterp.sort(sorted)
-		open("article").add_class("classes filterable")
-		add("h2").text("Classes")
-		open("ul")
-
+	private fun classes_column do
+		var sorted = ctx.mbuilder.model.mclasses
+		var sorter = new MClassNameSorter
+		sorter.sort(sorted)
+		append("<article class='modules filterable'>")
+		append("<h2>Classes</h2>")
+		append("<ul>")
 		for mclass in sorted do
-			open("li")
-			add("a").attr("href", "{mclass.name}.html").text(mclass.name)
-			close("li")
+			if mclass.visibility < ctx.min_visibility then continue
+			append("<li>")
+			mclass.html_link(self)
+			append("</li>")
 		end
-
-		close("ul")
-		close("article")
+		append("</ul>")
+		append("</article>")
 	end
 
 	# Insert the properties column of fullindex page
-	fun properties_column do
-		open("article").add_class("properties filterable")
-		add("h2").text("Properties")
-		open("ul")
-		var sorted_imported = mmodules.first.imported_methods.to_a
-		var sorted_redef = mmodules.first.redef_methods.to_a
-		var sorterp = new ComparableSorter[MProperty]
-		sorterp.sort(sorted_imported)
-		sorterp.sort(sorted_redef)
-
-		for method in sorted_imported do
-			if method.visibility is none_visibility or method.visibility is intrude_visibility then continue
-			open("li").add_class("intro")
-			add("span").attr("title", "introduction").text("I")
-			add_html("&nbsp;")
-			add("a").attr("href", "{method.local_class.name}.html").attr("title", "").text("{method.name} ({method.local_class.name})")
-			close("li")
-		end
-
-		for method in sorted_redef do
-			if method.visibility is none_visibility or method.visibility is intrude_visibility then continue
-			open("li").add_class("redef")
-			add("span").attr("title", "redefinition").text("R")
-			add_html("&nbsp;")
-			add("a").attr("href", "{method.local_class.name}.html").attr("title", "").text("{method.name} ({method.local_class.name})")
-			close("li")
-		end
-
-		close("ul")
-		close("article")
+	private fun properties_column do
+		var sorted = ctx.mbuilder.model.mproperties
+		var sorter = new MPropertyNameSorter
+		sorter.sort(sorted)
+		append("<article class='modules filterable'>")
+		append("<h2>Properties</h2>")
+		append("<ul>")
+		for mproperty in sorted do
+			if mproperty.visibility < ctx.min_visibility then continue
+			if mproperty isa MAttribute then continue
+			append("<li>")
+			mproperty.intro.html_link(self)
+			append(" (")
+			mproperty.intro.mclassdef.mclass.html_link(self)
+			append(")</li>")
+		end
+		append("</ul>")
+		append("</article>")
 	end
 
 end
 
-class NitdocModules
+# A module page
+class NitdocModule
 	super NitdocPage
 
-	var amodule: AModule
-	var modulename: String
-	init with(amodule: AModule) do
-		self.amodule = amodule
-		self.modulename = self.amodule.mmodule.name
-		opt_nodot = false
-		destinationdir = ""
+	private var mmodule: MModule
+	private var mbuilder: ModelBuilder
+
+	init(mmodule: MModule, ctx: NitdocContext, dot_dir: nullable String) do
+		super(ctx)
+		self.mmodule = mmodule
+		self.mbuilder = ctx.mbuilder
+		self.dot_dir = dot_dir
 	end
 
-	redef fun head do
-		super
-		add("title").text("{modulename} module | {amodule.short_comment}")
-	end
-
-	redef fun header do
-		open("header")
-		open("nav").add_class("main")
-		open("ul")
-		open("li")
-		add_html("<a href=\"index.html\">Overview</a>")
-		close("li")
-		add("li").add_class("current").text(modulename)
-		open("li")
-		add_html("<a href=\"full-index.html\" >Full Index</a>")
-		close("li")
-		open("li").attr("id", "liGitHub")
-		open("a").add_class("btn").attr("id", "logGitHub")
-		add("img").attr("id", "imgGitHub").attr("src", "resources/icons/github-icon.png")
-		close("a")
-		open("div").add_class("popover bottom")
-		add("div").add_class("arrow").text(" ")
-		open("div").add_class("githubTitle")
-		add("h3").text("Github Sign In")
-		close("div")
-		open("div")
-		add("label").attr("id", "lbloginGit").text("Username")
-		add("input").attr("id", "loginGit").attr("name", "login").attr("type", "text")
-		open("label").attr("id", "logginMessage").text("Hello ")
-		open("a").attr("id", "githubAccount")
-		add("strong").attr("id", "nickName").text(" ")
-		close("a")
-		close("label")
-		close("div")
-		open("div")
-		add("label").attr("id", "lbpasswordGit").text("Password")
-		add("input").attr("id", "passwordGit").attr("name", "password").attr("type", "password")
-		open("div").attr("id", "listBranches")
-		add("label").attr("id", "lbBranches").text("Branch")
-		add("select").add_class("dropdown").attr("id", "dropBranches").attr("name", "dropBranches").attr("tabindex", "1").text(" ")
-		close("div")
-		close("div")
-		open("div")
-		add("label").attr("id", "lbrepositoryGit").text("Repository")
-		add("input").attr("id", "repositoryGit").attr("name", "repository").attr("type", "text")
-		close("div")
-		open("div")
-		add("label").attr("id", "lbbranchGit").text("Branch")
-		add("input").attr("id", "branchGit").attr("name", "branch").attr("type", "text")
-		close("div")
-		open("div")
-		add("a").attr("id", "signIn").text("Sign In")
-		close("div")
-		close("div")
-		close("li")
-		close("ul")
-		close("nav")
-		close("header")
-	end
-
-	redef fun body do
-		super
-		open("div").add_class("page")
-		menu
-		add_content
-		close("div")
-		add("footer").text("Nit standard library. Version jenkins-component=stdlib-19.")
+	redef fun title do
+		if mbuilder.mmodule2nmodule.has_key(mmodule) then
+			var nmodule = mbuilder.mmodule2nmodule[mmodule]
+			return "{mmodule.name} module | {nmodule.short_comment}"
+		else
+			return "{mmodule.name} module"
+		end
 	end
 
-	# Insert all tags in content part
-	fun add_content do
-		open("div").add_class("content")
-		add("h1").text(modulename)
-		add("div").add_class("subtitle").text("module {modulename}")
-		module_comment
+	redef fun menu do
+		super
+		append("<li><a href='index.html'>Overview</a></li>")
+		append("<li class='current'>{mmodule.name}</li>")
+		append("<li><a href='full-index.html'>Full Index</a></li>")
+	end
+
+	redef fun content do
+		sidebar
+		var footed = ""
+		if ctx.opt_custom_footer_text.value != null then footed = "footed"
+		append("<div class='content {footed}'>")
+		append("<h1>{mmodule.name}</h1>")
+		append("<div class='subtitle info'>")
+		mmodule.html_signature(self)
+		append("</div>")
+		mmodule.html_full_comment(self)
+		process_generate_dot
 		classes
 		properties
-		close("div")
-	end
-
-	# Insert module comment in the content
-	fun module_comment do
-		var doc = amodule.comment
-		open("div").attr("id", "description")
-		add("pre").add_class("text_label").text(doc)
-		add("textarea").add_class("edit").attr("rows", "1").attr("cols", "76").attr("id", "fileContent").text(" ")
-		add("a").attr("id", "cancelBtn").text("Cancel")
-		add("a").attr("id", "commitBtn").text("Commit")
-		add("pre").add_class("text_label").attr("id", "preSave").attr("type", "2")
-		close("div")
-	end
-
-	fun menu do
-		var mmodule = amodule.mmodule 
-		open("div").add_class("menu")
-		open("nav")
-		add("h3").text("Module Hierarchy").attr("style","cursor: pointer;")
-		if mmodule.in_importation.direct_greaters.length > 0 then
-			add_html("<h4>All dependencies</h4><ul>")
-			var sorted = mmodule.in_importation.direct_greaters.to_a
-			var sorterp = new ComparableSorter[MModule]
-			sorterp.sort(sorted)
-			for m in sorted do
-				if m == mmodule or mmodule == m.public_owner then continue
-				open("li")
-				add("a").attr("href", "{m.name}.html").text(m.name)
-				close("li")
+		append("</div>")
+	end
+
+	private fun process_generate_dot do
+		# build poset with public owners
+		var poset = new POSet[MModule]
+		for mmodule in self.mmodule.in_importation.poset do
+			if mmodule.name == "<main>" then continue
+			if mmodule.public_owner != null then continue
+			if not mmodule.in_importation < self.mmodule and not self.mmodule.in_importation < mmodule and mmodule != self.mmodule then continue
+			poset.add_node(mmodule)
+			for omodule in mmodule.in_importation.poset do
+				if mmodule == omodule then continue
+				if omodule.name == "<main>" then continue
+				if omodule.public_owner != null then continue
+				if mmodule.in_importation < omodule then
+					poset.add_node(omodule)
+					poset.add_edge(mmodule, omodule)
+				end
 			end
-			add_html("</ul>")
-		end	
-		if mmodule.in_importation.greaters.length > 0 then
-			add_html("<h4>All clients</h4><ul>")
-			var sorted = mmodule.in_importation.greaters.to_a
-			var sorterp = new ComparableSorter[MModule]
-			sorterp.sort(sorted)
-			for m in sorted do
-				if m == mmodule then continue
-				open("li")
-				add("a").attr("href", "{m.name}.html").text(m.name)
-				close("li")
+		end
+		# build graph
+		var op = new Buffer
+		var name = "dep_{mmodule.name}"
+		op.append("digraph {name} \{ rankdir=BT; node[shape=none,margin=0,width=0,height=0,fontsize=10]; edge[dir=none,color=gray]; ranksep=0.2; nodesep=0.1;\n")
+		for mmodule in poset do
+			if mmodule == self.mmodule then
+				op.append("\"{mmodule.name}\"[shape=box,margin=0.03];\n")
+			else
+				op.append("\"{mmodule.name}\"[URL=\"{mmodule.url}\"];\n")
 			end
-			add_html("</ul>")
-		end
-		close("nav")
-		if mmodule.in_nesting.direct_greaters.length > 0 then
-			var sorted = mmodule.in_nesting.direct_greaters.to_a
-			var sorterp = new ComparableSorter[MModule]
-			sorterp.sort(sorted)
-			open("nav")
-			add("h3").text("Nested Modules").attr("style","cursor: pointer;")
-			open("ul")
-			for m in sorted do
-				open("li")
-				add("a").attr("href", "{m.name}.html").text(m.name)
-				close("li")
+			for omodule in poset[mmodule].direct_greaters do
+				op.append("\"{mmodule.name}\"->\"{omodule.name}\";\n")
 			end
-			close("ul")
-			
-			close("nav")
 		end
-		close("div")
+		op.append("\}\n")
+		generate_dot(op.to_s, name, "Dependency graph for module {mmodule.name}")
 	end
 
-	fun classes do
-		var sorted = new Array[MClass]
-		sorted.add_all(amodule.mmodule.mclasses.keys)
-		var sorterp = new ComparableSorter[MClass]
-		sorterp.sort(sorted)
-		open("div").add_class("module")
-		open("article").add_class("classes filterable")
-		add("h2").text("Classes")
-		open("ul")
-		for c in sorted do
-			var state = amodule.mmodule.mclasses[c]
-			var name = c.name
-			if state == c_is_intro or state == c_is_imported then
-				open("li").add_class("intro")
-				add("span").attr("title", "introduced in this module").text("I ")
-			else
-				open("li").add_class("redef")
-				add("span").attr("title", "refined in this module").text("R ")
+	private fun sidebar do
+		append("<div class='menu'>")
+		append("<nav>")
+		append("<h3>Module Hierarchy</h3>")
+		var dependencies = new Array[MModule]
+		for dep in mmodule.in_importation.greaters do
+			if dep == mmodule or dep.public_owner != null then continue
+			dependencies.add(dep)
+		end
+		if dependencies.length > 0 then
+			append("<h4>All dependencies</h4>")
+			display_module_list(dependencies)
+		end
+		var clients = new Array[MModule]
+		for dep in mmodule.in_importation.smallers do
+			if dep.name == "<main>" then continue
+			if dep == mmodule or dep.public_owner != null then continue
+			clients.add(dep)
+		end
+		if clients.length > 0 then
+			append("<h4>All clients</h4>")
+			display_module_list(clients)
+		end
+		append("</nav>")
+		if ctx.min_visibility < protected_visibility then
+			if mmodule.in_nesting.direct_greaters.length > 0 then
+				append("<nav>")
+				append("<h3>Nested Modules</h3>")
+				display_module_list(mmodule.in_nesting.direct_greaters.to_a)
+				append("</nav>")
 			end
-			add("a").attr("href", "{name}.html").text(name)
-			close("li")
 		end
-		close("ul")
-		close("article")
-		close("div")
+		append("</div>")
 	end
 
-	fun properties do
-		var sorted_imported = amodule.mmodule.imported_methods.to_a
-		var sorted_redef = amodule.mmodule.redef_methods.to_a
-		var sorterp = new ComparableSorter[MProperty]
-		sorterp.sort(sorted_imported)
-		sorterp.sort(sorted_redef)
-		open("article").add_class("properties filterable")
-		add_html("<h2>Properties</h2>")
-		open("ul")
-		for method in sorted_imported do
-			if method.visibility is none_visibility or method.visibility is intrude_visibility then continue
-			open("li").add_class("intro")
-			add("span").attr("title", "introduction").text("I")
-			add_html("&nbsp;")
-			add("a").attr("href", "{method.local_class.name}.html").attr("title", "").text("{method.name} ({method.local_class.name})")
-			close("li")
+	private fun display_module_list(list: Array[MModule]) do
+		append("<ul>")
+		var sorter = new MModuleNameSorter
+		sorter.sort(list)
+		for m in list do
+			append("<li>")
+			m.html_link(self)
+			append("</li>")
 		end
+		append("</ul>")
+	end
 
-		for method in sorted_redef do
-			if method.visibility is none_visibility or method.visibility is intrude_visibility then continue
-			open("li").add_class("redef")
-			add("span").attr("title", "redefinition").text("R")
-			add_html("&nbsp;")
-			add("a").attr("href", "{method.local_class.name}.html").attr("title", "").text("{method.name} ({method.local_class.name})")
-			close("li")
+	# display the class column
+	private fun classes do
+		var intro_mclasses = mmodule.intro_mclasses
+		var redef_mclasses = mmodule.redef_mclasses
+		var all_mclasses = new HashSet[MClass]
+		for m in mmodule.in_nesting.greaters do
+			all_mclasses.add_all(m.intro_mclasses)
+			all_mclasses.add_all(m.redef_mclasses)
 		end
+		all_mclasses.add_all(intro_mclasses)
+		all_mclasses.add_all(redef_mclasses)
 
-		close("ul")
-		close("article")
+		var sorted = new Array[MClass]
+		sorted.add_all(all_mclasses)
+		var sorter = new MClassNameSorter
+		sorter.sort(sorted)
+		append("<div class='module'>")
+		append("<article class='classes filterable'>")
+		append("<h2>Classes</h2>")
+		append("<ul>")
+		for c in sorted do
+			if c.visibility < ctx.min_visibility then continue
+			if redef_mclasses.has(c) and c.intro_mmodule.public_owner != mmodule then
+				append("<li class='redef'>")
+				append("<span title='refined in this module'>R </span>")
+			else
+				append("<li class='intro'>")
+				append("<span title='introduced in this module'>I </span>")
+			end
+			c.html_link(self)
+			append("</li>")
+		end
+		append("</ul>")
+		append("</article>")
+		append("</div>")
 	end
 
+	# display the property column
+	private fun properties do
+		# get properties
+		var mpropdefs = new HashSet[MPropDef]
+		for m in mmodule.in_nesting.greaters do
+			for c in m.mclassdefs do mpropdefs.add_all(c.mpropdefs)
+		end
+		for c in mmodule.mclassdefs do mpropdefs.add_all(c.mpropdefs)
+		var sorted = mpropdefs.to_a
+		var sorter = new MPropDefNameSorter
+		sorter.sort(sorted)
+		# display properties in one column
+		append("<article class='properties filterable'>")
+		append("<h2>Properties</h2>")
+		append("<ul>")
+		for mprop in sorted do
+			if mprop isa MAttributeDef then continue
+			if mprop.mproperty.visibility < ctx.min_visibility then continue
+			mprop.html_list_item(self)
+		end
+		append("</ul>")
+		append("</article>")
+	end
 end
 
-# Nit Standard Library
-class NitdocMClasses
+# A class page
+class NitdocClass
 	super NitdocPage
 
-	var mclass: MClass
-	var aclassdef: AClassdef
-	var stdclassdef: nullable AStdClassdef
-	var public_owner: nullable MModule
+	private var mclass: MClass
+	private var vtypes = new HashSet[MVirtualTypeDef]
+	private var consts = new HashSet[MMethodDef]
+	private var meths = new HashSet[MMethodDef]
+	private var inherited = new HashSet[MPropDef]
 
-	init with(mclass: MClass, aclassdef: AClassdef, source: nullable String) do
+	init(mclass: MClass, ctx: NitdocContext, dot_dir: nullable String, source: nullable String) do
+		super(ctx)
 		self.mclass = mclass
-		self.aclassdef = aclassdef
-		if aclassdef isa AStdClassdef then self.stdclassdef = aclassdef
-		self.public_owner = mclass.intro_mmodule.public_owner
-		opt_nodot = false
-		destinationdir = ""
+		self.dot_dir = dot_dir
 		self.source = source
+		# load properties
+		for mclassdef in mclass.mclassdefs do
+			for mpropdef in mclassdef.mpropdefs do
+				if mpropdef.mproperty.visibility < ctx.min_visibility then continue
+				if mpropdef isa MVirtualTypeDef then vtypes.add(mpropdef)
+				if mpropdef isa MMethodDef then
+					if mpropdef.mproperty.is_init then
+						consts.add(mpropdef)
+					else
+						meths.add(mpropdef)
+					end
+				end
+			end
+		end
+		# get inherited properties
+		for pclass in mclass.in_hierarchy(ctx.mainmodule).greaters do
+			if pclass == mclass then continue
+			for pclassdef in pclass.mclassdefs do
+				for mprop in pclassdef.intro_mproperties do
+					var mpropdef = mprop.intro
+					if mprop.visibility < ctx.min_visibility then continue
+					if mpropdef isa MVirtualTypeDef then vtypes.add(mpropdef)
+					if mpropdef isa MMethodDef then
+						if mpropdef.mproperty.is_init then
+							consts.add(mpropdef)
+						else
+							meths.add(mpropdef)
+						end
+					end
+					inherited.add(mpropdef)
+				end
+			end
+		end
 	end
 
-	redef fun head do
-		super
-		add("title").text("{self.mclass.name} class | Nit Standard Library")
+	redef fun title do
+		var nclass = ctx.mbuilder.mclassdef2nclassdef[mclass.intro]
+		if nclass isa AStdClassdef then
+			return "{mclass.name} class | {nclass.short_comment}"
+		else
+			return "{mclass.name} class"
+		end
 	end
 
-	redef fun header do
-		open("header")
-		open("nav").add_class("main")
-		open("ul")
-		open("li")
-		add_html("<a href=\"index.html\">Overview</a>")
-		close("li")
-		open("li")
+	redef fun menu do
+		super
+		append("<li><a href='index.html'>Overview</a></li>")
+		var public_owner = mclass.public_owner
 		if public_owner is null then
-			add_html("<a href=\"{mclass.intro_mmodule.name}.html\">{mclass.intro_mmodule.name}</a>")
+			append("<li>")
+			mclass.intro_mmodule.html_link(self)
+			append("</li>")
 		else
-			add_html("<a href=\"{public_owner.name}.html\">{public_owner.name}</a>")
-		end
-		close("li")
-		add("li").add_class("current").text(mclass.name)
-		open("li")
-		add_html("<a href=\"full-index.html\" >Full Index</a>")
-		close("li")
-		open("li").attr("id", "liGitHub")
-		open("a").add_class("btn").attr("id", "logGitHub")
-		add("img").attr("id", "imgGitHub").attr("src", "resources/icons/github-icon.png")
-		close("a")
-		open("div").add_class("popover bottom")
-		add("div").add_class("arrow").text(" ")
-		open("div").add_class("githubTitle")
-		add("h3").text("Github Sign In")
-		close("div")
-		open("div")
-		add("label").attr("id", "lbloginGit").text("Username")
-		add("input").attr("id", "loginGit").attr("name", "login").attr("type", "text")
-		open("label").attr("id", "logginMessage").text("Hello ")
-		open("a").attr("id", "githubAccount")
-		add("strong").attr("id", "nickName").text(" ")
-		close("a")
-		close("label")
-		close("div")
-		open("div")
-		add("label").attr("id", "lbpasswordGit").text("Password")
-		add("input").attr("id", "passwordGit").attr("name", "password").attr("type", "password")
-		open("div").attr("id", "listBranches")
-		add("label").attr("id", "lbBranches").text("Branch")
-		add("select").add_class("dropdown").attr("id", "dropBranches").attr("name", "dropBranches").attr("tabindex", "1").text(" ")
-		close("div")
-		close("div")
-		open("div")
-		add("label").attr("id", "lbrepositoryGit").text("Repository")
-		add("input").attr("id", "repositoryGit").attr("name", "repository").attr("type", "text")
-		close("div")
-		open("div")
-		add("label").attr("id", "lbbranchGit").text("Branch")
-		add("input").attr("id", "branchGit").attr("name", "branch").attr("type", "text")
-		close("div")
-		open("div")
-		add("a").attr("id", "signIn").text("Sign In")
-		close("div")
-		close("div")
-		close("li")
-		close("ul")
-		close("nav")
-		close("header")
-	end
-
-	redef fun body do
-		super
-		open("div").add_class("page")
-		add_content
-		close("div")
-		add("footer").text("Nit standard library. Version jenkins-component=stdlib-19.")
+			append("<li>")
+			public_owner.html_link(self)
+			append("</li>")
+		end
+		append("<li class='current'>{mclass.name}</li>")
+		append("<li><a href='full-index.html'>Full Index</a></li>")
 	end
 
-	# Insert all tags in content part
-	fun add_content do
-		open("div").add_class("menu")
+	redef fun content do
+		append("<div class='menu'>")
 		properties_column
 		inheritance_column
-		close("div")
-		open("div").add_class("content")
-		content
-		close("div")
-	end
-
-	fun properties_column do
-		open("nav").add_class("properties filterable")
-		add("h3").text("Properties")
-
-		if mclass.virtual_types.length > 0 then
-			add("h4").text("Virtual Types")
-			open("ul")
-			for prop in mclass.virtual_types do
-				add_html("<li class=\"redef\"><span title=\"Redefined\">R</span><a href=\"{prop.link_anchor}\">{prop.name}</a></li>")
+		append("</div>")
+		var footed = ""
+		if ctx.opt_custom_footer_text.value != null then footed = "footed"
+		append("<div class='content {footed}'>")
+		class_doc
+		append("</div>")
+	end
+
+	private fun properties_column do
+		var sorter = new MPropDefNameSorter
+		append("<nav class='properties filterable'>")
+		append("<h3>Properties</h3>")
+		# virtual types
+		if vtypes.length > 0 then
+			var vts = new Array[MVirtualTypeDef]
+			vts.add_all(vtypes)
+			sorter.sort(vts)
+			append("<h4>Virtual Types</h4>")
+			append("<ul>")
+			for mprop in vts do
+				mprop.html_sidebar_item(self)
 			end
-			close("ul")
+			append("</ul>")
 		end
-		if mclass.constructors.length > 0 then
-			add("h4").text("Constructors")
-			open("ul")
-			for prop in mclass.constructors do
-				add_html("<li class=\"intro\"><span title=\"Introduced\">I</span><a href=\"{prop.link_anchor}\">{prop.name}</a></li>")
+		# constructors
+		if consts.length > 0 then
+			var cts = new Array[MMethodDef]
+			cts.add_all(consts)
+			sorter.sort(cts)
+			append("<h4>Constructors</h4>")
+			append("<ul>")
+			for mprop in cts do
+				if mprop.mproperty.name == "init" and mprop.mclassdef.mclass != mclass then continue
+				mprop.html_sidebar_item(self)
 			end
-			close("ul")
+			append("</ul>")
 		end
-		add("h4").text("Methods")
-		open("ul")
-		if mclass.intro_methods.length > 0 then
-			for prop in mclass.intro_methods do
-				if prop.visibility is public_visibility or prop.visibility is protected_visibility then add_html("<li class=\"intro\"><span title=\"Introduced\">I</span><a href=\"{prop.link_anchor}\">{prop.name}</a></li>")
+		# methods
+		if meths.length > 0 then
+			var mts = new Array[MMethodDef]
+			mts.add_all(meths)
+			sorter.sort(mts)
+			append("<h4>Methods</h4>")
+			append("<ul>")
+			for mprop in mts do
+				if mclass.name != "Object" and mprop.mproperty.intro_mclassdef.mclass.name == "Object" and mprop.mproperty.visibility <= protected_visibility then continue
+				mprop.html_sidebar_item(self)
 			end
+			append("</ul>")
 		end
-		if mclass.inherited_methods.length > 0 then
-			for prop in mclass.inherited_methods do
-				if prop.visibility is public_visibility or prop.visibility is protected_visibility then add_html("<li class=\"inherit\"><span title=\"Inherited\">H</span><a href=\"{prop.link_anchor}\">{prop.name}</a></li>")
+		append("</nav>")
+	end
+
+	private fun inheritance_column do
+		var sorted = new Array[MClass]
+		var sorterp = new MClassNameSorter
+		append("<nav>")
+		append("<h3>Inheritance</h3>")
+		var greaters = mclass.in_hierarchy(ctx.mainmodule).greaters.to_a
+		if greaters.length > 1 then
+			ctx.mainmodule.linearize_mclasses(greaters)
+			append("<h4>Superclasses</h4>")
+			append("<ul>")
+			for sup in greaters do
+				if sup == mclass then continue
+				append("<li>")
+				sup.html_link(self)
+				append("</li>")
 			end
+			append("</ul>")
 		end
-		if mclass.redef_methods.length > 0 then
-			for prop in mclass.redef_methods do
-				if prop.visibility is public_visibility or prop.visibility is protected_visibility then add_html("<li class=\"redef\"><span title=\"Refined\">R</span><a href=\"{prop.link_anchor}\">{prop.name}</a></li>")
+		var smallers = mclass.in_hierarchy(ctx.mainmodule).smallers.to_a
+		var direct_smallers = mclass.in_hierarchy(ctx.mainmodule).direct_smallers.to_a
+		if smallers.length <= 1 then
+			append("<h4>No Known Subclasses</h4>")
+		else if smallers.length <= 100 then
+			ctx.mainmodule.linearize_mclasses(smallers)
+			append("<h4>Subclasses</h4>")
+			append("<ul>")
+			for sub in smallers do
+				if sub == mclass then continue
+				append("<li>")
+				sub.html_link(self)
+				append("</li>")
 			end
-		end
-		close("ul")
-		close("nav")
-	end
-
-	fun inheritance_column do
-		open("nav")
-		add("h3").text("Inheritance")
-		if mclass.parents.length > 0 then
-			add("h4").text("Superclasses")
-			open("ul")
-			for sup in mclass.parents do add_html("<li><a href=\"{sup.name}.html\">{sup.name}</a></li>")
-			close("ul")
-		end
-
-		if mclass.descendants.length is 0 then
-			add("h4").text("No Known Subclasses")
-		else if mclass.descendants.length <= 100 then
-			add("h4").text("Subclasses")
-			open("ul")
-			for sub in mclass.descendants do add_html("<li><a href=\"{sub.name}\">{sub.name}</a></li>")
-			close("ul")
-		else if mclass.children.length <= 100 then
-			add("h4").text("Direct Subclasses Only")
-			open("ul")
-			for sub in mclass.children do add_html("<li><a href=\"{sub.name}\">{sub.name}</a></li>")
-			close("ul")
+			append("</ul>")
+		else if direct_smallers.length <= 100 then
+			ctx.mainmodule.linearize_mclasses(direct_smallers)
+			append("<h4>Direct Subclasses Only</h4>")
+			append("<ul>")
+			for sub in direct_smallers do
+				if sub == mclass then continue
+				append("<li>")
+				sub.html_link(self)
+				append("</li>")
+			end
+			append("</ul>")
 		else
-			add("h4").text("Too much Subclasses to list")
+			append("<h4>Too much Subclasses to list</h4>")
 		end
-		close("nav")
-	end
-
-	fun content do
-		var subtitle = ""
+		append("</nav>")
+	end
+
+	private fun class_doc do
+		# title
+		append("<h1>{mclass.signature}</h1>")
+		append("<div class='subtitle info'>")
+		mclass.html_full_signature(self)
+		append("</div>")
+		# comment
+		var nclass = ctx.mbuilder.mclassdef2nclassdef[mclass.intro]
+		append("<section class='description'>")
+		process_generate_dot
+		append("</section>")
+		# concerns
+		var concern2meths = new ArrayMap[MModule, Array[MMethodDef]]
+		var sorted_meths = new Array[MMethodDef]
+		var sorted = new Array[MModule]
+		sorted_meths.add_all(meths)
+		ctx.mainmodule.linearize_mpropdefs(sorted_meths)
+		for meth in meths do
+			if inherited.has(meth) then continue
+			var mmodule = meth.mclassdef.mmodule
+			if not concern2meths.has_key(mmodule) then
+				sorted.add(mmodule)
+				concern2meths[mmodule] = new Array[MMethodDef]
+			end
+			concern2meths[mmodule].add(meth)
+		end
+		var sections = new ArrayMap[MModule, Array[MModule]]
+		for mmodule in concern2meths.keys do
+			var owner = mmodule.public_owner
+			if owner == null then owner = mmodule
+			if not sections.has_key(owner) then sections[owner] = new Array[MModule]
+			if owner != mmodule then sections[owner].add(mmodule)
+		end
+		append("<section class='concerns'>")
+		append("<h2 class='section-header'>Concerns</h2>")
+		append("<ul>")
+		for owner, mmodules in sections do
+			var nowner = ctx.mbuilder.mmodule2nmodule[owner]
+			append("<li>")
+			if nowner.short_comment.is_empty then
+				append("<a href=\"#{owner.anchor}\">{owner.name}</a>")
+			else
+				append("<a href=\"#{owner.anchor}\">{owner.name}</a>: {nowner.short_comment}")
+			end
+			if not mmodules.is_empty then
+				append("<ul>")
+				for mmodule in mmodules do
+					var nmodule = ctx.mbuilder.mmodule2nmodule[mmodule]
+					if nmodule.short_comment.is_empty then
+						append("<li><a href=\"#{mmodule.anchor}\">{mmodule.name}</a></li>")
+					else
+						append("<li><a href=\"#{mmodule.anchor}\">{mmodule.name}</a>: {nmodule.short_comment}</li>")
+					end
+				end
+				append("</ul>")
+			end
+			append("</li>")
+		end
+		append("</ul>")
+		append("</section>")
+		# properties
+		var prop_sorter = new MPropDefNameSorter
 		var lmmodule = new List[MModule]
-		# Insert the subtitle part
-		add("h1").text(mclass.name)
-		open("div").add_class("subtitle")
-		if mclass.visibility is none_visibility then subtitle += "private "
-		subtitle += "{mclass.kind} <a href=\"{mclass.public_owner.name}.html\">{mclass.public_owner.name}</a>::{mclass.name}"
-		add_html(subtitle)
-		close("div")
-		add_html("<div style=\"float: right;\"><a id=\"lblDiffCommit\"></a></div>")
-		# We add the class description
-		open("section").add_class("description")
-		if not stdclassdef is null and not stdclassdef.comment.is_empty then add_html("<pre class=\"text_label\" title=\"122\" name=\"\" tag=\"{mclass.mclassdefs.first.location.to_s}\" type=\"2\">{stdclassdef.comment} </pre><textarea id=\"fileContent\" class=\"edit\" cols=\"76\" rows=\"1\" style=\"display: none;\"></textarea><a id=\"cancelBtn\" style=\"display: none;\">Cancel</a><a id=\"commitBtn\" style=\"display: none;\">Commit</a><pre id=\"preSave\" class=\"text_label\" type=\"2\"></pre>")
-		close("section")
-		open("section").add_class("concerns")
-		add("h2").add_class("section-header").text("Concerns")
-		open("ul")
-		for owner, childs in mclass.concerns do
-			open("li")
-			add_html("<a href=\"#MOD_{owner.name}\">{owner.name}</a>: {owner.amodule.short_comment}")
-			if not childs is null then
-				open("ul")
-				for child in childs.as(not null) do add_html("<li><a href=\"#MOD_{child.name}\">{child.name}</a>: {child.amodule.short_comment} </li>")
-				close("ul")
+		# virtual and formal types
+		var local_vtypes = new Array[MVirtualTypeDef]
+		for vt in vtypes do if not inherited.has(vt) then local_vtypes.add(vt)
+		if local_vtypes.length > 0 or mclass.arity > 0 then
+			append("<section class='types'>")
+			append("<h2>Formal and Virtual Types</h2>")
+			# formal types
+			if mclass.arity > 0 and nclass isa AStdClassdef then
+				for ft, bound in mclass.parameter_types do
+					append("<article id='FT_{ft}'>")
+					append("<h3 class='signature' data-untyped-signature='{ft.to_s}'><span>{ft}: ")
+					bound.html_link(self)
+					append("</span></h3>")
+					append("<div class=\"info\">formal generic type</div>")
+					append("</article>")
+				end
 			end
-			close("li")
-		end
-		close("ul")
-		close("section")
-		# Insert virtual types if there is almost one
-		if mclass.virtual_types.length > 0 or (stdclassdef != null and stdclassdef.n_formaldefs.length > 0) then
-			open("section").add_class("types")
-			add("h2").text("Formal and Virtual Types")
-			if mclass.virtual_types.length > 0 then for prop in mclass.virtual_types do description(prop)
-			if stdclassdef.n_formaldefs.length > 0 then
-				for prop in stdclassdef.n_formaldefs do
-					open("article").attr("id", "FT_Object_{prop.collect_text}")
-					open("h3").add_class("signature").text("{prop.collect_text}: nullable ")
-					add_html("<a title=\"The root of the class hierarchy.\" href=\"Object.html\">Object</a>")
-					close("h3")
-					add_html("<div class=\"info\">formal generic type</div>")
-					close("article")
+			# virtual types
+			prop_sorter.sort(local_vtypes)
+			for prop in local_vtypes do prop.html_full_desc(self)
+			append("</section>")
+		end
+		# constructors
+		var local_consts = new Array[MMethodDef]
+		for const in consts do if not inherited.has(const) then local_consts.add(const)
+		prop_sorter.sort(local_consts)
+		if local_consts.length > 0 then
+			append("<section class='constructors'>")
+			append("<h2 class='section-header'>Constructors</h2>")
+			for prop in local_consts do prop.html_full_desc(self)
+			append("</section>")
+		end
+		# methods
+		if not concern2meths.is_empty then
+			append("<section class='methods'>")
+			append("<h2 class='section-header'>Methods</h2>")
+			for owner, mmodules in sections do
+				append("<a id=\"{owner.anchor}\"></a>")
+				if owner != mclass.intro_mmodule and owner != mclass.public_owner then
+					var nowner = ctx.mbuilder.mmodule2nmodule[owner]
+					append("<h3 class=\"concern-toplevel\">Methods refined in ")
+					owner.html_link(self)
+					append("</h3>")
+					append("<p class=\"concern-doc\">")
+					owner.html_link(self)
+					if not nowner.short_comment.is_empty then
+						append(": {nowner.short_comment}")
+					end
+					append("</p>")
 				end
+				if concern2meths.has_key(owner) then
+					var mmethods = concern2meths[owner]
+					prop_sorter.sort(mmethods)
+					for prop in mmethods do prop.html_full_desc(self)
+				end
+				for mmodule in mmodules do
+					append("<a id=\"{mmodule.anchor}\"></a>")
+					var nmodule = ctx.mbuilder.mmodule2nmodule[mmodule]
+					if mmodule != mclass.intro_mmodule and mmodule != mclass.public_owner then
+						append("<p class=\"concern-doc\">")
+						mmodule.html_link(self)
+						if not nmodule.short_comment.is_empty then
+							append(": {nmodule.short_comment}")
+						end
+						append("</p>")
+					end
+					var mmethods = concern2meths[mmodule]
+					prop_sorter.sort(mmethods)
+					for prop in mmethods do prop.html_full_desc(self)
+				end
+			end
+		end
+		# inherited properties
+		if inherited.length > 0 then
+			var sorted_inherited = new Array[MPropDef]
+			sorted_inherited.add_all(inherited)
+			ctx.mainmodule.linearize_mpropdefs(sorted_inherited)
+			var classes = new ArrayMap[MClass, Array[MPropDef]]
+			for mmethod in sorted_inherited.reversed do
+				var mclass = mmethod.mclassdef.mclass
+				if not classes.has_key(mclass) then classes[mclass] = new Array[MPropDef]
+				classes[mclass].add(mmethod)
 			end
-			close("section")
-		end
-		# Insert constructors if there is almost one
-		if mclass.constructors.length > 0 then
-			open("section").add_class("constructors")
-			add("h2").add_class("section-header").text("Constructors")
-			for prop in mclass.constructors do description(prop)
-			close("section")
-		end
-		open("section").add_class("methods")
-		add("h2").add_class("section-header").text("Methods")
-		for mmodule, mmethods in mclass.all_methods do
-			add_html("<a id=\"MOD_{mmodule.name}\"></a>")
-			if mmodule != mclass.intro_mmodule and mmodule != mclass.public_owner then
-				if mclass.has_mmodule(mmodule) then
-					add_html("<p class=\"concern-doc\">{mmodule.name}: {mmodule.amodule.short_comment}</p>")
-				else
-					add_html("<h3 class=\"concern-toplevel\">Methods refined in <a href=\"{mmodule.name}.html\">{mmodule.name}</a></h3><p class=\"concern-doc\">{mmodule.name}: {mmodule.amodule.short_comment}</p>")
+			append("<h3>Inherited Properties</h3>")
+			for c, mmethods in classes do
+				prop_sorter.sort(mmethods)
+				append("<p>Defined in ")
+				c.html_link(self)
+				append(": ")
+				for i in [0..mmethods.length[ do
+					var mmethod = mmethods[i]
+					mmethod.html_link(self)
+					if i <= mmethods.length - 1 then append(", ")
 				end
+				append("</p>")
 			end
-			for prop in mmethods do description(prop)
-		end
-		# Insert inherited methods
-		if mclass.inherited_methods.length > 0 then
-			add("h3").text("Inherited Methods")
-			for i_mclass, methods in mclass.inherited do
-				open("p")
-				add_html("Defined in <a href=\"{i_mclass.name}.html\">{i_mclass.name}</a>: ")
-				for method in methods do
-					add_html("<a href=\"{method.link_anchor}\">{method.name}</a>")
-					if method != methods.last then add_html(", ")
+		end
+		append("</section>")
+	end
+
+	private fun process_generate_dot do
+		var pe = ctx.class_hierarchy[mclass]
+		var cla = new HashSet[MClass]
+		var sm = new HashSet[MClass]
+		var sm2 = new HashSet[MClass]
+		sm.add(mclass)
+		while cla.length + sm.length < 10 and sm.length > 0 do
+			cla.add_all(sm)
+			sm2.clear
+			for x in sm do
+				sm2.add_all(pe.poset[x].direct_smallers)
+			end
+			var t = sm
+			sm = sm2
+			sm2 = t
+		end
+		cla.add_all(pe.greaters)
+
+		var op = new Buffer
+		var name = "dep_{mclass.name}"
+		op.append("digraph {name} \{ rankdir=BT; node[shape=none,margin=0,width=0,height=0,fontsize=10]; edge[dir=none,color=gray]; ranksep=0.2; nodesep=0.1;\n")
+		for c in cla do
+			if c == mclass then
+				op.append("\"{c.name}\"[shape=box,margin=0.03];\n")
+			else
+				op.append("\"{c.name}\"[URL=\"{c.url}\"];\n")
+			end
+			for c2 in pe.poset[c].direct_greaters do
+				if not cla.has(c2) then continue
+				op.append("\"{c.name}\"->\"{c2.name}\";\n")
+			end
+			if not pe.poset[c].direct_smallers.is_empty then
+				var others = true
+				for c2 in pe.poset[c].direct_smallers do
+					if cla.has(c2) then others = false
+				end
+				if others then
+					op.append("\"{c.name}...\"[label=\"\"];\n")
+					op.append("\"{c.name}...\"->\"{c.name}\"[style=dotted];\n")
 				end
-				close("p")
 			end
 		end
-		close("section")
+		op.append("\}\n")
+		generate_dot(op.to_s, name, "Dependency graph for class {mclass.name}")
 	end
+end
 
-	# Insert description tags for 'prop'
-	fun description(prop: MProperty) do
-		open("article").add_class("fun public {if prop.is_redef then "redef" else ""}").attr("id", "{prop.anchor}")
-		var sign = prop.name
-		if prop.apropdef != null then sign += prop.apropdef.signature
-		add_html("<h3 class=\"signature\">{sign}</h3>")
-		add_html("<div class=\"info\">{if prop.is_redef then "redef" else ""} fun {prop.intro_mclassdef.namespace(mclass)}::{prop.name}</div><div style=\"float: right;\"><a id=\"lblDiffCommit\"></a></div>")
+#
+# Model redefs
+#
 
-		open("div").add_class("description")
-		if prop.apropdef is null or prop.apropdef.comment == "" then
-			add_html("<a class=\"newComment\" title=\"32\" tag=\"\">New Comment</a>")
-		else
-			add_html("<pre class=\"text_label\" title=\"\" name=\"\" tag=\"\" type=\"1\">{prop.apropdef.comment}</pre>")
+redef class MModule
+	# URL to nitdoc page
+	fun url: String do
+		if url_cache == null then
+			var res = new Buffer
+			res.append("module_")
+			var mowner = public_owner
+			if mowner != null then
+				res.append("{public_owner.name}_")
+			end
+			res.append("{self.name}.html")
+			url_cache = res.to_s
 		end
-		add_html("<textarea id=\"fileContent\" class=\"edit\" cols=\"76\" rows=\"1\" style=\"display: none;\"></textarea><a id=\"cancelBtn\" style=\"display: none;\">Cancel</a><a id=\"commitBtn\" style=\"display: none;\">Commit</a><pre id=\"preSave\" class=\"text_label\" type=\"2\"></pre>")
-		open("p")
-		if prop.local_class != mclass then add_html("inherited from {prop.local_class.intro_mmodule.name} ")
-		#TODO display show code if doc github
-		add_html("defined by the module <a href=\"{prop.intro_mclassdef.mmodule.name}.html\">{prop.intro_mclassdef.mmodule.name}</a> {if prop.apropdef is null then "" else show_source(prop.apropdef.location)}.")
+		return url_cache.as(not null)
+	end
+	private var url_cache: nullable String
 
-		for parent in mclass.parents do
-			if prop isa MMethod then if parent.constructors.has(prop) then add_html(" Previously defined by: <a href=\"{parent.intro_mmodule.name}.html\">{parent.intro_mmodule.name}</a> for <a href=\"{parent.name}.html\">{parent.name}</a>.")
+	# html anchor id to the module in a nitdoc page
+	fun anchor: String do
+		if anchor_cache == null then
+			var res = new Buffer
+			res.append("MOD_")
+			var mowner = public_owner
+			if mowner != null then
+				res.append("{public_owner.name}_")
+			end
+			res.append(self.name)
+			anchor_cache = res.to_s
 		end
-		close("p")
-		close("div")
-
-		close("article")
+		return anchor_cache.as(not null)
 	end
+	private var anchor_cache: nullable String
 
-end	
-
-class NitdocPage
-	super HTMLPage
-	
-	var opt_nodot: Bool
-	var destinationdir : String
-	var source: nullable String
-
-	redef fun head do
-		add("meta").attr("charset", "utf-8")
-		add("script").attr("type", "text/javascript").attr("src", "scripts/jquery-1.7.1.min.js")
-		add("script").attr("type", "text/javascript").attr("src", "quicksearch-list.js")
-		add("script").attr("type", "text/javascript").attr("src", "scripts/js-facilities.js")
-		add("link").attr("rel", "stylesheet").attr("href", "styles/main.css").attr("type", "text/css").attr("media", "screen")
+	# Return a link (html a tag) to the nitdoc module page
+	fun html_link(page: NitdocPage) do
+		if html_link_cache == null then
+			var res = new Buffer
+			if page.ctx.mbuilder.mmodule2nmodule.has_key(self) then
+				res.append("<a href='{url}' title='{page.ctx.mbuilder.mmodule2nmodule[self].short_comment}'>{name}</a>")
+			else
+				res.append("<a href='{url}'>{name}</a>")
+			end
+			html_link_cache = res.to_s
+		end
+		page.append(html_link_cache.as(not null))
 	end
+	private var html_link_cache: nullable String
 
-	redef fun body do header
-	fun header do end
-
-	# Generate a clickable graphviz image using a dot content
-	fun generate_dot(dot: String, name: String, alt: String) do
-		if opt_nodot then return
-		var file = new OFStream.open("{self.destinationdir}/{name}.dot")
-		file.write(dot)
-		file.close
-		sys.system("\{ test -f {self.destinationdir}/{name}.png && test -f {self.destinationdir}/{name}.s.dot && diff {self.destinationdir}/{name}.dot {self.destinationdir}/{name}.s.dot >/dev/null 2>&1 ; \} || \{ cp {self.destinationdir}/{name}.dot {self.destinationdir}/{name}.s.dot && dot -Tpng -o{self.destinationdir}/{name}.png -Tcmapx -o{self.destinationdir}/{name}.map {self.destinationdir}/{name}.s.dot ; \}")
-		open("article").add_class("graph")
-		add("img").attr("src", "{name}.png").attr("usemap", "#{name}").attr("style", "margin:auto").attr("alt", "{alt}")
-		close("article")
-		var fmap = new IFStream.open("{self.destinationdir}/{name}.map")
-		add_html(fmap.read_all)
-		fmap.close
+	# Return the module signature decorated with html
+	fun html_signature(page: NitdocPage) do
+		page.append("<span>module ")
+		html_full_namespace(page)
+		page.append("</span>")
 	end
 
-	# Add a (source) link fo a given location
-	fun show_source(l: Location): String
-	do
-		if source == null then
-			return "({l.file.filename.simplify_path})"
-		else
-			# THIS IS JUST UGLY ! (but there is no replace yet)
-			var x = source.split_with("%f")
-			source = x.join(l.file.filename.simplify_path)
-			x = source.split_with("%l")
-			source = x.join(l.line_start.to_s)
-			x = source.split_with("%L")
-			source = x.join(l.line_end.to_s)
-			return " (<a href=\"{source.to_s}\">show code</a>)"
+	# Return the module full namespace decorated with html
+	fun html_full_namespace(page: NitdocPage) do
+		page.append("<span>")
+		var mowner = public_owner
+		if mowner != null then
+			public_owner.html_namespace(page)
+			page.append("::")
 		end
+		html_link(page)
+		page.append("</span>")
 	end
 
-end
-
-redef class AModule
-	private fun comment: String do
-		var ret = ""
-		if n_moduledecl is null or n_moduledecl.n_doc is null then ret
-		if n_moduledecl.n_doc is null then return ""
-		for t in n_moduledecl.n_doc.n_comment do
-			ret += "{t.text.replace("# ", "")}"
+	# Return the module full namespace decorated with html
+	fun html_namespace(page: NitdocPage) do
+		page.append("<span>")
+		var mowner = public_owner
+		if mowner != null then
+			public_owner.html_namespace(page)
+		else
+			html_link(page)
 		end
-		return ret
+		page.append("</span>")
 	end
 
-	private fun short_comment: String do
-		var ret = ""
-		if n_moduledecl != null and n_moduledecl.n_doc != null then
-			var txt = n_moduledecl.n_doc.n_comment.first.text
-			txt = txt.replace("# ", "")
-			txt = txt.replace("\n", "")
-			ret += txt
+	# Return the full comment of the module decorated with html
+	fun html_full_comment(page: NitdocPage) do
+		if page.ctx.mbuilder.mmodule2nmodule.has_key(self) then
+			page.append("<div id='description'>")
+			page.append("<pre class='text_label'>{page.ctx.mbuilder.mmodule2nmodule[self].full_comment}</pre>")
+			page.append("</div>")
 		end
-		return ret
 	end
 end
 
-redef class MModule
-
-	super Comparable
-	redef type OTHER: MModule
-	redef fun <(other: OTHER): Bool do return self.name < other.name
-
-	var amodule: nullable AModule
-
-	# Get the list of all methods in a module
-	fun imported_methods: Set[MMethod] do
-		var methods = new HashSet[MMethod]
-		for mclass in imported_mclasses do
-			for method in mclass.intro_methods do
-				methods.add(method)
-			end
+redef class MClass
+	# Return the module signature decorated with html
+	fun html_full_signature(page: NitdocPage) do
+		if visibility < public_visibility then page.append("{visibility.to_s} ")
+		page.append("{kind} ")
+		html_namespace(page)
+	end
+
+	# name with formal parameter
+	# Foo[A, B]
+	private fun signature: String do
+		if arity > 0 then
+			return "{name}[{intro.parameter_names.join(", ")}]"
+		else
+			return name
 		end
-		return methods
 	end
 
-	# Get the list aof all refined methods in a module
-	fun redef_methods: Set[MMethod] do
-		var methods = new HashSet[MMethod]
-		for mclass in redef_mclasses do
-			for method in mclass.intro_methods do
-				methods.add(method)
+	# Return a link (html a tag) to the nitdoc class page
+	fun html_link(page: NitdocPage) do
+		if html_link_cache == null then
+			var res = new Buffer
+			res.append("<a href='{url}'")
+			if page.ctx.mbuilder.mclassdef2nclassdef.has_key(intro) then
+				var nclass = page.ctx.mbuilder.mclassdef2nclassdef[intro]
+				if nclass isa AStdClassdef then
+					res.append(" title=\"{nclass.short_comment}\"")
+				end
 			end
+			res.append(">{signature}</a>")
+			html_link_cache = res.to_s
 		end
-		return methods
+		page.append(html_link_cache.as(not null))
 	end
+	private var html_link_cache: nullable String
+
+	# Return the class namespace decorated with html
+	fun html_namespace(page: NitdocPage) do
+		intro_mmodule.html_namespace(page)
+		page.append("::<span>")
+		html_link(page)
+		page.append("</span>")
+	end
+
+	fun url: String do
+		return "class_{public_owner}_{name}.html"
+	end
+
+	# Escape name for html output
+	redef fun name do return super.html_escape
 end
 
 redef class MProperty
+	# Return the property namespace decorated with html
+	fun html_namespace(page: NitdocPage) do
+		intro_mclassdef.mclass.html_namespace(page)
+		page.append("::<span>")
+		intro.html_link(page)
+		page.append("</span>")
+	end
 
-	super Comparable
-	redef type OTHER: MProperty
-	redef fun <(other: OTHER): Bool do return self.name < other.name
+	# Escape name for html output
+	redef fun name do return super.html_escape
+end
 
-	var is_redef: Bool
-	var apropdef: nullable APropdef
+redef class MType
+	fun html_link(page: NitdocPage) is abstract
+end
 
-	redef init(intro_mclassdef: MClassDef, name: String, visibility: MVisibility)
-	do
-		super
-		is_redef = false
-	end
+redef class MClassType
+	redef fun html_link(page) do mclass.html_link(page)
+end
 
-	fun local_class: MClass do
-		var classdef = self.intro_mclassdef
-		return classdef.mclass
+redef class MNullableType
+	redef fun html_link(page) do
+		page.append("nullable ")
+		mtype.html_link(page)
 	end
+end
 
-	fun class_text: String do
-		return local_class.name
+redef class MGenericType
+	redef fun html_link(page) do
+		page.append("<a href='{mclass.url}'>{mclass.name}</a>[")
+		for i in [0..arguments.length[ do
+			arguments[i].html_link(page)
+			if i < arguments.length - 1 then page.append(", ")
+		end
+		page.append("]")
 	end
+end
 
-	fun link_anchor: String do
-		return "{class_text}.html#{anchor}"
+redef class MParameterType
+	redef fun html_link(page) do
+		var name = mclass.intro.parameter_names[rank]
+		page.append("<a href='{mclass.url}#FT_{name}' title='formal type'>{name}</a>")
 	end
+end
 
-	fun anchor: String do
-		return "PROP_{c_name}"
-	end
+redef class MVirtualType
+	redef fun html_link(page) do mproperty.intro.html_link(page)
+end
 
+redef class MClassDef
+	# Return the classdef namespace decorated with html
+	fun html_namespace(page: NitdocPage) do
+		mmodule.html_full_namespace(page)
+		page.append("::<span>")
+		mclass.html_link(page)
+		page.append("</span>")
+	end
 end
 
-redef class MClass
+redef class MPropDef
+	fun url: String do
+		if url_cache == null then
+			url_cache = "{mclassdef.mclass.url}#{anchor}"
+		end
+		return url_cache.as(not null)
+	end
+	private var url_cache: nullable String
 
-	super Comparable
-	redef type OTHER: MClass
-	redef fun <(other: OTHER): Bool do return self.name < other.name
-
-	# Associate all MMethods to each MModule concerns
-	fun all_methods: HashMap[MModule, Set[MMethod]] do
-		var hm = new HashMap[MModule, Set[MMethod]]
-		for mmodule, childs in concerns do
-			if not hm.has_key(mmodule) then hm[mmodule] = new HashSet[MMethod]
-			for prop in intro_methods do
-				if mmodule == prop.intro_mclassdef.mmodule then
-					prop.is_redef = false
-					hm[mmodule].add(prop)
-				end
-			end
-			for prop in redef_methods do
-				if mmodule == prop.intro_mclassdef.mmodule then
-					prop.is_redef = true
-					hm[mmodule].add(prop)
-				end
-			end
+	fun anchor: String do
+		if anchor_cache == null then
+			anchor_cache = "PROP_{mclassdef.mclass.public_owner.name}_{mproperty.name}"
+		end
+		return anchor_cache.as(not null)
+	end
+	private var anchor_cache: nullable String
 
-			if childs != null then
-				for child in childs do
-					if not hm.has_key(child) then hm[child] = new HashSet[MMethod]
-					for prop in intro_methods do
-						if child == prop.intro_mclassdef.mmodule then
-							prop.is_redef = false
-							hm[child].add(prop)
-						end
-					end
-					for prop in redef_methods do
-						if child == prop.intro_mclassdef.mmodule then
-							prop.is_redef = true
-							hm[child].add(prop)
-						end
-					end
-				end
+	# Return a link (html a tag) to the nitdoc class page
+	fun html_link(page: NitdocPage) do
+		if html_link_cache == null then
+			var res = new Buffer
+			if page.ctx.mbuilder.mpropdef2npropdef.has_key(self) then
+				var nprop = page.ctx.mbuilder.mpropdef2npropdef[self]
+				res.append("<a href=\"{url}\" title=\"{nprop.short_comment}\">{mproperty.name}</a>")
+			else
+				res.append("<a href=\"{url}\">{mproperty.name}</a>")
 			end
+			html_link_cache = res.to_s
 		end
-		return hm
+		page.append(html_link_cache.as(not null))
 	end
+	private var html_link_cache: nullable String
 
-	fun public_owner: MModule do
-		var owner = intro_mmodule
-		if owner.public_owner is null then
-			return owner
+	# Return a list item for the mpropdef
+	private fun html_list_item(page: NitdocPage) do
+		if is_intro then
+			page.append("<li class='intro'>")
+			page.append("<span title='introduction'>I</span>&nbsp;")
 		else
-			return owner.public_owner.as(not null)
+			page.append("<li class='redef'>")
+			page.append("<span title='redefinition'>R</span>&nbsp;")
 		end
-	end
-	
-	# Associate Amodule to all MModule concern by 'self'
-	fun amodule(amodules: HashMap[MModule, AModule]) do
-		for owner, childs in concerns do
-			if childs != null then for child in childs do child.amodule = amodules[child]
-			owner.amodule = amodules[owner]
+		html_link(page)
+		page.append("(")
+		mclassdef.mclass.html_link(page)
+		page.append(")")
+		page.append("</li>")
+	end
+
+	# Return a list item for the mpropdef
+	private fun html_sidebar_item(page: NitdocClass) do
+		if is_intro and mclassdef.mclass == page.mclass then
+			page.append("<li class='intro'>")
+			page.append("<span title='Introduced'>I</span>")
+		else if is_intro and mclassdef.mclass != page.mclass then
+			page.append("<li class='inherit'>")
+			page.append("<span title='Inherited'>H</span>")
+		else
+			page.append("<li class='redef'>")
+			page.append("<span title='Redefined'>R</span>")
 		end
+		html_link(page)
+		page.append("</li>")
 	end
 
-	# Associate MClass to all MMethod include in 'inherited_methods'
-	fun inherited: HashMap[MClass, Set[MMethod]] do
-		var hm = new HashMap[MClass, Set[MMethod]]
-		for method in inherited_methods do
-			var mclass = method.intro_mclassdef.mclass
-			if not hm.has_key(mclass) then hm[mclass] = new HashSet[MMethod]
-			hm[mclass].add(method)
-		end
-		return hm
-	end
+	private fun html_full_desc(page: NitdocClass) is abstract
+	private fun html_info(page: NitdocClass) is abstract
 
-	# Return true if MModule concern contain subMModule
-	fun has_mmodule(sub: MModule): Bool do
-		for mmodule, childs in concerns do
-			if childs is null then continue
-			if childs.has(sub) then return true
-		end
-		return false
+	fun full_name: String do
+		return "{mclassdef.mclass.public_owner.name}::{mclassdef.mclass.name}::{mproperty.name}"
 	end
 
-	fun mmethod(mprop2npropdef: Map[MProperty, APropdef]) do
-		for const in constructors do
-			if mprop2npropdef.has_key(const)then
-				const.apropdef = mprop2npropdef[const].as(AMethPropdef)
+	private fun html_inheritance(page: NitdocClass) do
+		# definitions block
+		page.append("<p class='info'>")
+		page.ctx.mainmodule.linearize_mpropdefs(mproperty.mpropdefs)
+		var previous_defs = new Array[MPropDef]
+		var next_defs = new Array[MPropDef]
+		var self_passed = false
+		for def in mproperty.mpropdefs do
+			if def == self then
+				self_passed = true
+				continue
+			end
+			if not self_passed then
+				if def.mclassdef.mclass.in_hierarchy(page.ctx.mainmodule) < page.mclass then continue
+				if def.is_intro then continue
+				previous_defs.add(def)
+			else
+				if page.mclass.in_hierarchy(page.ctx.mainmodule) < def.mclassdef.mclass then continue
+				next_defs.add(def)
 			end
 		end
-
-		for intro in intro_methods do
-			if mprop2npropdef.has_key(intro)then
-				if mprop2npropdef[intro] isa AMethPropdef then intro.apropdef = mprop2npropdef[intro].as(AMethPropdef)
+		page.append("defined by ")
+		mclassdef.mmodule.html_full_namespace(page)
+		if page.ctx.mbuilder.mpropdef2npropdef.has_key(self) then
+			page.append(" {page.show_source(page.ctx.mbuilder.mpropdef2npropdef[self].location)}")
+		end
+		if not is_intro then
+			page.append(", introduced by ")
+			mproperty.intro.mclassdef.mclass.html_link(page)
+			if page.ctx.mbuilder.mpropdef2npropdef.has_key(self) then
+				page.append(" {page.show_source(page.ctx.mbuilder.mpropdef2npropdef[self].location)}")
 			end
 		end
+		if not previous_defs.is_empty then
+			page.append(", inherited from ")
+			for i in [0..previous_defs.length[ do
+				var def = previous_defs[i]
+				def.mclassdef.mclass.html_link(page)
+				if page.ctx.mbuilder.mpropdef2npropdef.has_key(def) then
+					page.append(" {page.show_source(page.ctx.mbuilder.mpropdef2npropdef[def].location)}")
+				end
 
-		for rd in redef_methods do
-			if mprop2npropdef.has_key(rd)then
-				if mprop2npropdef[rd] isa AMethPropdef then rd.apropdef = mprop2npropdef[rd].as(AMethPropdef)
+				if i < previous_defs.length - 1 then page.append(", ")
 			end
 		end
+		if not next_defs.is_empty then
+			page.append(", redefined by ")
+			for i in [0..next_defs.length[ do
+				var def = next_defs[i]
+				def.mclassdef.mclass.html_link(page)
+				if page.ctx.mbuilder.mpropdef2npropdef.has_key(def) then
+					page.append(" {page.show_source(page.ctx.mbuilder.mpropdef2npropdef[def].location)}")
+				end
+				if i < next_defs.length - 1 then page.append(", ")
+			end
+		end
+		page.append(".</p>")
+	end
+
+	private fun html_comment(page: NitdocClass) do
+		if not page.ctx.mbuilder.mpropdef2npropdef.has_key(self) then return
+		var nprop = page.ctx.mbuilder.mpropdef2npropdef[self]
+		page.append("<div class='description'>")
+		if not is_intro and page.ctx.mbuilder.mpropdef2npropdef.has_key(mproperty.intro) then
+			var intro_nprop = page.ctx.mbuilder.mpropdef2npropdef[mproperty.intro]
+			page.append("<p class='info'>from ")
+			mproperty.html_namespace(page)
+			page.append("</p>")
+			if intro_nprop.full_comment == "" then
+				page.append("<span class=\"noComment\">No comment</span>")
+			else
+				page.append("<pre>{intro_nprop.full_comment}</pre>")
+			end
+			page.append("<p class='info'>from ")
+			mclassdef.html_namespace(page)
+			page.append("</p>")
+		end
+		if nprop.full_comment == "" then
+			page.append("<span class=\"noComment\">No comment</span>")
+		else
+			page.append("<pre>{nprop.full_comment}</pre>")
+		end
+		html_inheritance(page)
+		page.append("</div>")
 	end
-
-	fun link_anchor: String do
-		return "{name}.html"
-	end
-
 end
 
-redef class AStdClassdef
-	private fun comment: String do
-		var ret = ""
-		if n_doc != null then
-			for t in n_doc.n_comment do
-				var txt = t.text.replace("# ", "")
-				txt = txt.replace("#", "")
-				ret += "{txt}"
-			end
+redef class MMethodDef
+	redef fun html_full_desc(page) do
+		var classes = new Array[String]
+		var is_redef = mproperty.intro_mclassdef.mclass != page.mclass
+		if mproperty.is_init then
+			classes.add("init")
+		else
+			classes.add("fun")
+		end
+		if is_redef then classes.add("redef")
+		classes.add(mproperty.visibility.to_s)
+		page.append("<article class='{classes.join(" ")}' id='{anchor}'>")
+		if page.ctx.mbuilder.mpropdef2npropdef.has_key(self) then
+			page.append("<h3 class='signature' data-untyped-signature='{mproperty.name}{msignature.untyped_signature(page)}'>")
+			page.append("<span>{mproperty.name}")
+			msignature.html_signature(page)
+			page.append("</span></h3>")
+		else
+			page.append("<h3 class='signature' data-untyped-signature='init{msignature.untyped_signature(page)}'>")
+			page.append("<span>init")
+			msignature.html_signature(page)
+			page.append("</span></h3>")
 		end
-		return ret
+		html_info(page)
+		html_comment(page)
+		page.append("</article>")
 	end
 
-	private fun short_comment: String do
-		var ret = ""
-		if n_doc != null then
-			var txt = n_doc.n_comment.first.text
-			txt = txt.replace("# ", "")
-			txt = txt.replace("\n", "")
-			ret += txt
+	redef fun html_info(page) do
+		page.append("<div class='info'>")
+		if mproperty.visibility < public_visibility then page.append("{mproperty.visibility.to_s} ")
+		if mproperty.intro_mclassdef.mclass != page.mclass then page.append("redef ")
+		if mproperty.is_init then
+			page.append("init ")
+		else
+			page.append("fun ")
 		end
-		return ret
+		mproperty.html_namespace(page)
+		page.append("</div>")
 	end
 end
 
-redef class ASignature
-	redef fun to_s do
-		#TODO closures
-		var ret = ""
-		if not n_params.is_empty then
-			ret = "{ret}({n_params.join(", ")})"
-		end
-		if n_type != null and n_type.to_s != "" then ret += " {n_type.to_s}"
-		return ret
+redef class MVirtualTypeDef
+	redef fun html_full_desc(page) do
+		var is_redef = mproperty.intro_mclassdef.mclass != page.mclass
+		var classes = new Array[String]
+		classes.add("type")
+		if is_redef then classes.add("redef")
+		classes.add(mproperty.visibility.to_s)
+		page.append("<article class='{classes.join(" ")}' id='{anchor}'>")
+		page.append("<h3 class='signature' data-untyped-signature='{mproperty.name}'><span>{mproperty.name}: ")
+		bound.html_link(page)
+		page.append("</span></h3>")
+		html_info(page)
+		html_comment(page)
+		page.append("</article>")
+	end
+
+	redef fun html_info(page) do
+		page.append("<div class='info'>")
+		if mproperty.intro_mclassdef.mclass != page.mclass then page.append("redef ")
+		page.append("type ")
+		mproperty.html_namespace(page)
+		page.append("</div>")
 	end
 end
 
-redef class AParam
-	redef fun to_s do
-		var ret = "{n_id.text}"
-		if n_type != null then
-			ret = "{ret}: {n_type.to_s}"
-			if n_dotdotdot != null then ret = "{ret}..."
+redef class MSignature
+	private fun html_signature(page: NitdocPage) do
+		if not mparameters.is_empty then
+			page.append("(")
+			for i in [0..mparameters.length[ do
+				mparameters[i].html_link(page)
+				if i < mparameters.length - 1 then page.append(", ")
+			end
+			page.append(")")
+		end
+		if return_mtype != null then
+			page.append(": ")
+			return_mtype.html_link(page)
 		end
-		return ret
 	end
-end
 
-redef class AType
-	redef fun to_s do
-		var ret = "<a href=\"{n_id.text}.html\">{n_id.text}</a>"
-		if n_kwnullable != null then ret = "nullable {ret}"
-		if not n_types.is_empty then ret = "{ret}[{n_types.join(", ")}]"
-		return ret
+	private fun untyped_signature(page: NitdocPage): String do
+		var res = new Buffer
+		if not mparameters.is_empty then
+			res.append("(")
+			for i in [0..mparameters.length[ do
+				res.append(mparameters[i].name)
+				if i < mparameters.length - 1 then res.append(", ")
+			end
+			res.append(")")
+		end
+		return res.to_s
 	end
 end
 
-redef class APropdef
-	private fun short_comment: String is abstract
-	private fun signature: String is abstract
-	private fun comment: String is abstract
+redef class MParameter
+	private fun html_link(page: NitdocPage) do
+		page.append("{name}: ")
+		mtype.html_link(page)
+		if is_vararg then page.append("...")
+	end
 end
 
-redef class AAttrPropdef
-	redef fun short_comment do
-		var ret = ""
-		if n_doc != null then
-			var txt = n_doc.n_comment.first.text
-			txt = txt.replace("# ", "")
-			txt = txt.replace("\n", "")
-			ret += txt
+#
+# Nodes redefs
+#
+
+redef class AModule
+	private fun short_comment: String do
+		if n_moduledecl != null and n_moduledecl.n_doc != null then
+			return n_moduledecl.n_doc.n_comment.first.text.substring_from(2).replace("\n", "").html_escape
 		end
-		return ret
+		return ""
 	end
-end
 
-redef class AMethPropdef
-	redef fun short_comment do
-		var ret = ""
-		if n_doc != null then
-			var txt = n_doc.n_comment.first.text
-			txt = txt.replace("# ", "")
-			txt = txt.replace("\n", "")
-			ret += txt
+	private fun full_comment: String do
+		var res = new Buffer
+		if n_moduledecl != null and n_moduledecl.n_doc != null then
+			for t in n_moduledecl.n_doc.n_comment do
+				res.append(t.text.substring_from(1).html_escape)
+			end
 		end
-		return ret
+		return res.to_s
 	end
+end
 
-	redef fun signature: String do
-		var sign = ""
-		if n_signature != null then sign = " {n_signature.to_s}"
-		return sign
+redef class AStdClassdef
+	private fun short_comment: String do
+		if n_doc != null then return n_doc.n_comment.first.text.substring_from(2).replace("\n", "").html_escape
+		return ""
 	end
 
-	redef private fun comment: String do
-		var ret = ""
+	private fun full_comment: String do
+		var res = new Buffer
 		if n_doc != null then
-			for t in n_doc.n_comment do
-				var txt = t.text.replace("# ", "")
-				txt = txt.replace("#", "")
-				ret += "{txt}"
-			end
+			for t in n_doc.n_comment do res.append(t.text.substring_from(1).html_escape)
 		end
-		return ret
+		return res.to_s
 	end
 end
 
-redef class MClassDef
-	private fun namespace(mclass: MClass): String do
-
-		if mmodule.public_owner is null then
-			return "{mmodule.full_name}::{mclass.name}"
-		else if mclass is self.mclass then
-			return "{mmodule.public_owner.name}::{mclass.name}"
-		else
-			return "{mmodule.public_owner.name}::<a href=\"{mclass.name}.html\">{mclass.name}</a>"
-		end
+redef class APropdef
+	private fun short_comment: String do
+		if n_doc != null then return n_doc.n_comment.first.text.substring_from(2).replace("\n", "").html_escape
+		return ""
 	end
-end
 
-redef class Set[E]
-	fun last: E do
-		return to_a[length-1]
+	private fun full_comment: String do
+		var res = new Buffer
+		if n_doc != null then
+			for t in n_doc.n_comment do res.append(t.text.substring_from(1).html_escape)
+		end
+		return res.to_s
 	end
 end
 
-# Create a tool context to handle options and paths
-var toolcontext = new ToolContext
-
-# Here we launch the nit index
-var nitdoc = new Nitdoc(toolcontext)
-nitdoc.start
+var nitdoc = new NitdocContext
+nitdoc.generate_nitdoc