Added Docs engine

.gitignore

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+_site
+_includes/page.html
+app
+HelpTOC.json

Rakefile

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+CONFIG = {
+  :source_dir => __dir__,
+  :tmp_dir => "#{__dir__}/_tmp",
+  :build_destination => "_site",
+  :preview_host => "0.0.0.0",
+  :preview_port => 4000,
+  :default_env => 'dev'
+}
+
+Dir['_rake/*.rake'].each { |r| load r }
+
+task :default do
+  system('rake -T')
+end

_SUMMARY.md

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+<!-- 
+    Similar to GitBook SUMMARY.md - https://github.com/GitbookIO/gitbook#summarymd,
+    but list items without links will not br included in the table of contents.
+    Also you can use HTML-comments.
+-->
+
+## Getting started
+* [Getting started with SDK](index.html)
+* Some planned topic
+<!-- * [Another planned topic](topic.html) -->

_config.yml

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+product_name: IntelliJ SDK
+product_version: 
+
+markdown: kramdown
+markdown_ext: foo
+kramdown:
+  input: GFM2
+  hard_wrap: false
+  auto_ids: false
+highlighter: pygments
+
+exclude:
+  - '*.scss'
+  - README*
+  - Rakefile
+  - lib
+  - webhelp-template
+  - code_samples
+
+defaults:
+  - values:
+      layout: 'webhelp'

_includes/head.html

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+<meta charset="utf-8">
+<meta name="viewport" content="width=device-width">
+<meta http-equiv="X-UA-Compatible" content="IE=edge">
+<title>{% if page.title %}{{ page.title }}{% else %}{{ site.title }}{% endif %}</title>
+<link rel="stylesheet" href="styles/styles.css">

_layouts/webhelp.html

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+{% capture _t %}
+    {% assign product_name = site.product_name %}
+    {% assign product_version = site.product_version %}
+    {% assign page_title = page.title %}
+    {% assign page_title_with_h1 = '' %}
+    {% assign page_id = page.name | replace:'.md','' %}
+    {% assign page_content = content %}
+    {% capture shortcut_switcher %}
+        <div class="shortcuts-switcher"><label for="switch-shortcuts">Keymap:</label><select id="switch-shortcuts" class="select _shortcuts" height="1">
+            <option data-group="primary" value="default" selected>Default</option>
+            <option data-group="primary" value="default_for_gnome">GNOME</option>
+            <option data-group="primary" value="default_for_kde">KDE</option>
+            <option data-group="primary" value="default_for_xwin">XWindow</option>
+            <option data-group="primary" value="emacs">Emacs</option>
+            <option data-group="primary" value="jbuilder">JBuilder</option>
+            <option data-group="primary" value="visual_studio">Visual Studio</option>
+            <option data-group="primary" value="netbeans_6.5">NetBeans 6.5</option>
+            <option data-group="primary" value="eclipse">Eclipse</option>
+            <option data-group="secondary" value="mac_os_x_10.5_">OS X 10.5+</option>
+            <option data-group="secondary" value="mac_os_x">OS X</option>
+            <option data-group="secondary" value="eclipse_mac_os_x">OS X Eclipse</option></select>
+        </div>
+    {% endcapture %}
+    {% assign is_show_shortcut_switcher = 'false' %}
+    {% assign current_year = 'now' | date:'%Y' %}
+    {% assign last_modified = '' %}
+    {% assign disqus = '' %}
+    {% assign baseurl = '.' %}
+
+{% endcapture %}
+{% capture rendered_content %}{% include page.html %}{% endcapture %}
+{{ rendered_content | replace:'</head>','<link  rel="stylesheet" href="styles/styles.css"></head>' }}

_plugins/markdown_converter.rb

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+require 'kramdown'
+require 'pygments'
+
+module Kramdown
+  module Converter
+    class Upsrc < Html
+
+      def convert_header(el, indent)
+        attr = el.attr.dup
+        el_id = generate_id(el.options[:raw_text])
+
+        if @options[:auto_ids] && !attr['id']
+          attr['id'] = el_id
+        end
+        @toc << [el.options[:level], attr['id'], el.children] if attr['id'] && in_toc?(el)
+        level = output_header_level(el.options[:level])
+
+        if level <= 3
+          anchor = Element.new(:a, nil, {'href' => '#' + el_id, 'class' => 'anchor-link'})
+          el.children.push(anchor)
+        end
+
+        anchor = format_as_block_html("a", {'name' => el_id, 'class' => 'elem-anchor'}, inner(Element.new(:a, nil), indent), indent)
+        header = format_as_block_html("h#{level}", attr, inner(el, indent), indent)
+        anchor + header
+      end
+
+      def convert_codeblock(el, indent)
+        attr = el.attr.dup
+        lang = self.extract_code_language(attr) || 'text'
+        highlight_lines = ''
+
+        if attr['class'] and attr['class'].scan(/\{[\d\-\,]+\}/).length > 0
+          lang_parts = attr['class'].split('{')
+          highlight_lines = "{#{lang_parts[1]}"
+        end
+
+        code = pygmentize(el.value, lang, highlight_lines)
+        code_attr = {}
+        code_attr['class'] = "code-block__wrapper"
+        code_attr['class'] += " code-block _highlighted lang_#{lang}" if lang
+
+        "<pre><code#{html_attributes(code_attr)}>#{code}</code></pre>\n"
+      end
+
+      # Extract the code block/span language from the attributes.
+      def extract_code_language(attr)
+        if attr['class']
+          class_attr = attr['class']
+
+          if class_attr.scan(/\{|\}/).length > 0
+            class_attr = class_attr.split('{')[0]
+          end
+
+          class_attr.scan(/\blanguage-(\w+)\b/).first.first
+        end
+      end
+
+      def convert_codespan(el, indent)
+        attr = el.attr.dup
+        lang = extract_code_language!(attr) || 'text'
+        code = pygmentize(el.value, lang)
+        attr['class'] = 'code'
+        attr['class'] += " highlight language-#{lang}" if lang
+        "<code#{html_attributes(attr)}>#{code}</code>"
+      end
+
+      def convert_blockquote(el, indent)
+        format_as_indented_block_html(el.type, el.attr, inner(el, indent), indent)
+      end
+
+      def convert_a(el, indent)
+        res = inner(el, indent)
+        attr = el.attr.dup
+        attr['href'] = '' if attr['href'].nil?
+        is_external = attr['href'].start_with?('http://', 'https://', 'ftp://', '//')
+        attr['data-bypass'] = 'yes' if is_external
+        if attr['href'].start_with?('mailto:')
+          mail_addr = attr['href'][7..-1]
+          attr['href'] = obfuscate('mailto') << ":" << obfuscate(mail_addr)
+          res = obfuscate(res) if res == mail_addr
+        end
+        format_as_span_html(el.type, attr, "<span>#{res}</span>")
+      end
+
+      def convert_img(el, indent)
+        "<img#{html_attributes(el.attr)} />"
+      end
+
+      def pygmentize(code, lang, highlight_lines = nil)
+        hl_lines = ''
+
+        if highlight_lines
+          hl_lines = highlight_lines.gsub(/[{}]/, '').split(',').map do |ln|
+            if matches = /(\d+)-(\d+)/.match(ln)
+              ln = Range.new(matches[1], matches[2]).to_a.join(' ')
+            end
+            ln
+          end.join(' ')
+        end
+
+        if lang
+          Pygments.highlight(code,
+            :lexer => lang,
+            :options => {
+                :encoding => 'utf-8', 
+                :nowrap => true,
+                :hl_lines => hl_lines
+            }
+          )
+        else
+          escape_html(code)
+        end
+      end
+    end
+  end
+
+  module Parser
+    class GFM2 < GFM
+      def parse
+        super
+      end
+
+      FENCED_CODEBLOCK_MATCH = /^(([~`]){3,})\s*?(\w+[\{\}\,\d\-]*?)?\s*?\n(.*?)^\1\2*\s*?\n/m
+    end
+  end
+
+end
+
+module Jekyll
+  class KramdownPygments < Jekyll::Converter
+    def matches(ext)
+      ext =~ /^\.md$/i
+    end
+
+    def output_ext(ext)
+      ".html"
+    end
+
+    def convert(content)
+      html = Kramdown::Document.new(content, {
+          :auto_ids             => @config['kramdown']['auto_ids'],
+          :footnote_nr          => @config['kramdown']['footnote_nr'],
+          :hard_wrap          =>   @config['kramdown']['hard_wrap'],
+          :entity_output        => @config['kramdown']['entity_output'],
+          :toc_levels           => @config['kramdown']['toc_levels'],
+          :smart_quotes         => @config['kramdown']['smart_quotes'],
+          :coderay_default_lang => @config['kramdown']['default_lang'],
+          :input                => @config['kramdown']['input']
+      }).to_upsrc
+      return html
+    end
+  end
+end

_rake/build.rake

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+desc 'Build docs'
+task :build do
+  dest = ENV['dest'] || CONFIG[:build_destination]
+
+  Rake::Task['build_toc'].invoke
+  Rake::Task['prepare_assets'].invoke
+
+  command = "jekyll build --trace --destination=#{dest}"
+  sh command
+end

_rake/build_toc.rake

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+desc 'Build docs table of contents index'
+task :build_toc do
+  src_dir = CONFIG[:source_dir]
+  toc_file = ENV['dest'] || "#{src_dir}/HelpTOC.json"
+
+  load "#{src_dir}/lib/toc_generator.rb"
+
+  kramdown_config = YAML::load_file("#{src_dir}/_config.yml")['kramdown']
+  toc = Docs::TocGenerator.extract("#{src_dir}/_SUMMARY.md", kramdown_config)
+
+  res = File.write("#{toc_file}", toc.to_json)
+  puts "TOC successfully created in #{toc_file}" if res
+end

_rake/prepare_assets.rake

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+desc 'Preparing assets'
+task :prepare_assets do
+  dest = ENV["dest"] || CONFIG[:build_destination]
+  appsrc = 'webhelp-template/app'
+  appdest = 'app'
+
+  # webhelp template
+  RakeFileUtils.cp 'webhelp-template/app/templates/page.html', '_includes'
+
+  # assets dir
+  RakeFileUtils.mkdir_p %W(#{appdest}/css #{appdest}/fonts #{appdest}/img #{appdest}/js/vendor/requirejs)
+
+  # js
+  RakeFileUtils.cp_r "#{appsrc}/js/main.build.js", "#{appdest}/js"
+  RakeFileUtils.cp_r "#{appsrc}/js/vendor/requirejs/require.js", "#{appdest}/js/vendor/requirejs"
+
+  # css
+  RakeFileUtils.cp_r "#{appsrc}/css/styles.min.css", "#{appdest}/css"
+
+  # images & fonts
+  RakeFileUtils.cp_r %W(#{appsrc}/fonts #{appsrc}/img), appdest
+end

_rake/preview.rake

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+desc "Runs site on a local preview webserver"
+task :preview do
+  host = ENV["host"] || CONFIG[:preview_host]
+  port = ENV["port"] || CONFIG[:preview_port]
+
+  Rake::Task["build_toc"].invoke
+  Rake::Task['prepare_assets'].invoke
+
+  command = "jekyll serve --trace  --host=#{host} --port=#{port} --watch --force_polling"
+  sh command
+end

index.md

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+---
+title: Getting started
+---
+
+# {{ page.title }}
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit. Accusamus doloremque enim explicabo fugiat modi, obcaecati 
+officia sunt unde. A assumenda dolorum hic, in ipsam nisi officia porro praesentium provident sequi.