Module: SequenceDiagramMixin

Defined in:
lib/yard-sd/sequence_diagram_mixin.rb

Instance Method Summary collapse

Instance Method Details

#html_syntax_highlight_sd(source) ⇒ Object


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# File 'lib/yard-sd/sequence_diagram_mixin.rb', line 10

def html_syntax_highlight_sd(source)
  orig_source = source
  lines = source.split("\n")
   = lines.take_while {|l| l.start_with?("%")}
  source   = lines[.size..-1].join("\n")

   = {}
  .each do |line|
    if line =~ /^%\s*([^\s=]+)\s*=\s*(.+)$/
      key = $1.to_sym

      case key
      when  :size
        [key] = $2
      end
    end
  end

  begin
    diagram = SequenceDiagram::Diagram.new.parse(source)
    img     = diagram.to_png()

    hash = Digest::SHA1.hexdigest(orig_source)
    name = "images/diagrams/#{hash}.png"
    options[:serializer].serialize(name, img)

    return "<img src='%s' alt='Sequence diagram' />" % url_for(options[:serializer].serialized_path(name))
  rescue SequenceDiagram::ParseError => e
    return "Error: Parsing error: #{h(e.inspect)}"
  rescue => e
    return "Error: #{h([e.message, e.backtrace].inspect)}"
  end
end

#htmlify(*args) ⇒ Object


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# File 'lib/yard-sd/sequence_diagram_mixin.rb', line 4

def htmlify(*args)
  res = super
  res = res.gsub(/<pre class="[^"]+? sd"><code>(.+?)<\/code><\/pre>/m, "\\1")
  res
end