Class: Coradoc::Input::Html::HtmlConverter

Inherits:
Object
  • Object
show all
Defined in:
lib/coradoc/input/html/html_converter.rb

Class Method Summary collapse

Class Method Details

.cleanup_result(result, options) ⇒ Object 



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# File 'lib/coradoc/input/html/html_converter.rb', line 123

def self.cleanup_result(result, options)
  Input::Html.config.with(options) do
    plugin_instances = prepare_plugin_instances(options)

    result = track_time "Cleaning up the result" do
      Input::Html.cleaner.tidy(result)
    end
    plugin_instances.each do |plugin|
      if plugin.respond_to?(:postprocess_asciidoc_string)
        plugin.asciidoc_string = result
        track_time "Postprocessing AsciiDoc string with #{plugin.name} plugin" do
          plugin.postprocess_asciidoc_string
        end
        result = plugin.asciidoc_string
      end
    end

    result
  end
end

.convert(input, options = {}) ⇒ Object 



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# File 'lib/coradoc/input/html/html_converter.rb', line 95

def self.convert(input, options = {})
  Input::Html.config.with(options) do
    prepare_plugin_instances(options)

    coradoc = to_coradoc(input, options)

    if coradoc.is_a?(Hash)
      coradoc.to_h do |file, tree|
        track_time "Converting file #{file || 'main'}" do
          [file,
           convert_single_coradoc_to_adoc(file, tree, options)]
        end
      end
    else
      convert_single_coradoc_to_adoc(nil, coradoc, options)
    end
  end
end

.convert_single_coradoc_to_adoc(_file, coradoc, options) ⇒ Object 



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# File 'lib/coradoc/input/html/html_converter.rb', line 114

def self.convert_single_coradoc_to_adoc(_file, coradoc, options)
  prepare_plugin_instances(options)

  result = track_time "Converting Coradoc tree into Asciidoc" do
    Coradoc::Generator.gen_adoc(coradoc)
  end
  cleanup_result(result, options)
end

.prepare_plugin_instances(options) ⇒ Object 



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# File 'lib/coradoc/input/html/html_converter.rb', line 144

def self.prepare_plugin_instances(options)
  options[:plugin_instances] || Coradoc::Input::Html.config.plugins.map(&:new)
end

.to_coradoc(input, options = {}) ⇒ Object 



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# File 'lib/coradoc/input/html/html_converter.rb', line 43

def self.to_coradoc(input, options = {})
  Input::Html.config.with(options) do
    plugin_instances = prepare_plugin_instances(options)

    root = track_time "Loading input HTML document" do
      case input
      when String
        Nokogiri::HTML(input).root
      when Nokogiri::XML::Document
        input.root
      when Nokogiri::XML::Node
        input
      end
    end

    return "" unless root

    plugin_instances.each do |plugin|
      plugin.html_tree = root
      if plugin.respond_to?(:preprocess_html_tree)
        track_time "Preprocessing document with #{plugin.name} plugin" do
          plugin.preprocess_html_tree
        end
      end
      root = plugin.html_tree
    end

    coradoc = track_time "Converting input document tree to Coradoc tree" do
      Converters.process_coradoc(root,
                                 plugin_instances: plugin_instances)
    end

    coradoc = track_time "Post-process Coradoc tree" do
      Postprocessor.process(coradoc)
    end

    plugin_instances.each do |plugin|
      if plugin.respond_to?(:postprocess_coradoc_tree)
        plugin.coradoc_tree = coradoc
        track_time "Postprocessing Coradoc tree with #{plugin.name} plugin" do
          plugin.postprocess_coradoc_tree
        end
        coradoc = plugin.coradoc_tree
      end
    end

    options[:plugin_instances] = plugin_instances unless options.frozen?

    coradoc
  end
end

.track_time(task) ⇒ Object 



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# File 'lib/coradoc/input/html/html_converter.rb', line 149

def self.track_time(task)
  if Input::Html.config.track_time
    warn "  " * @track_time_indentation +
      "* #{task} is starting..."
    @track_time_indentation += 1
    t0 = Time.now
    ret = yield
    time_elapsed = Time.now - t0
    @track_time_indentation -= 1
    warn "  " * @track_time_indentation +
      "* #{task} took #{time_elapsed.round(3)} seconds"
    ret
  else
    yield
  end
end