Class: DoubleDoc::HtmlGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/double_doc/html_generator.rb

Defined Under Namespace

Classes: SitemapItem

Constant Summary collapse

DEFAULT_CSS = 
File.expand_path("../../templates/screen.css", File.dirname(__FILE__)).freeze

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(sources, options) ⇒ HtmlGenerator

Returns a new instance of HtmlGenerator.



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# File 'lib/double_doc/html_generator.rb', line 10

def initialize(sources, options)
  @sources = sources
  @template_file = options[:html_template] || File.expand_path("../../templates/default.html.erb", File.dirname(__FILE__))
  @output_directory = Pathname.new(options[:html_destination])
  @html_renderer = options[:html_renderer] || HtmlRenderer
  @stylesheet = options[:html_css] || DEFAULT_CSS
  @title = options[:title] || 'Documentation'
end

Class Method Details



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# File 'lib/double_doc/html_generator.rb', line 98

def self.convert_links_to_html!(markdown)
  markdown.gsub!(/(\[[^\]]+\]\([^\)]+)\.md([^\)]*)\)/) do |match|
    $1 + '.html' + $2 + ')'
  end
  markdown
end

Instance Method Details

#copy_assets ⇒ Object 



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# File 'lib/double_doc/html_generator.rb', line 88

def copy_assets
  if @stylesheet
    FileUtils.cp(@stylesheet, @output_directory)
  end
end

#generate ⇒ Object 



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# File 'lib/double_doc/html_generator.rb', line 19

def generate
  FileUtils.mkdir_p(@output_directory)

  copy_assets
  generated_files = [@output_directory + File.basename(@stylesheet)]

  @sources.each do |src|
    from_markdown = src.to_s =~ /\.md$/
    if from_markdown
      path = File.basename(src).sub(/\.md$/, '.html')
    else
      path = File.basename(src)
    end

    dst = @output_directory + path
    puts "#{src} -> #{dst}"
    FileUtils.mkdir_p(File.dirname(dst))

    if from_markdown
      markdown = self.class.convert_links_to_html!(File.new(src).read)
      body = @html_renderer.render(markdown)
    else
      body = File.new(src).read
    end

    File.open(dst, 'w') do |out|

      html = template.result(
        :title         => @title,
        :body          => body,
        :css           => File.basename(@stylesheet),
        :sitemap       => sitemap,
        :path          => path
      )
      out.write(html)
    end
    generated_files << dst
  end

end

#sitemap ⇒ Object 



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# File 'lib/double_doc/html_generator.rb', line 60

def sitemap
  return @sitemap unless @sitemap.nil?

  @sitemap = []

  @sources.each do |src|
    path = File.basename(src).sub(/\.md$/, '.html')
    lines = File.readlines(src)

    item = nil
    lines.each do |line|
      if line =~ /^\#\#\s/
        title = line.sub(/^\#+\s*/, '').strip
        @sitemap << item if item
        item = SitemapItem.new(title, path)
      elsif line =~ /^\#\#\#\s/
        item ||= SitemapItem.new(path, path)
        title = line.sub(/^\#+\s*/, '').strip
        item.add_child(SitemapItem.new(title, path, DoubleDoc::HtmlRenderer.generate_id(title)))
      end
    end

    @sitemap << item if item
  end

  @sitemap
end

#template ⇒ Object 



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# File 'lib/double_doc/html_generator.rb', line 94

def template
  @template ||= Erubis::Eruby.new(File.read(@template_file))
end