Class: Coradoc::ReverseAdoc::HtmlConverter

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

Class Method Summary collapse

Class Method Details

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



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# File 'lib/coradoc/reverse_adoc/html_converter.rb', line 92

def self.convert(input, options = {})
  ReverseAdoc.config.with(options) do
    plugin_instances = Coradoc::ReverseAdoc.config.plugins.map(&:new)

    options = options.merge(plugin_instances: plugin_instances)

    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, plugin_instances)]
        end
      end
    else
      convert_single_coradoc_to_adoc(nil, coradoc, plugin_instances)
    end
  end
end

.convert_single_coradoc_to_adoc(_file, coradoc, plugin_instances) ⇒ Object 



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# File 'lib/coradoc/reverse_adoc/html_converter.rb', line 112

def self.convert_single_coradoc_to_adoc(_file, coradoc, plugin_instances)
  result = track_time "Converting Coradoc tree into Asciidoc" do
    Coradoc::Generator.gen_adoc(coradoc)
  end
  result = track_time "Cleaning up the result" do
    ReverseAdoc.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

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



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# File 'lib/coradoc/reverse_adoc/html_converter.rb', line 42

def self.to_coradoc(input, options = {})
  plugin_instances = options.delete(:plugin_instances)
  ReverseAdoc.config.with(options) do
    plugin_instances ||= Coradoc::ReverseAdoc.config.plugins.map(&:new)

    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

    coradoc
  end
end

.track_time(task) ⇒ Object 



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# File 'lib/coradoc/reverse_adoc/html_converter.rb', line 132

def self.track_time(task)
  if ReverseAdoc.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