Module: Asciidoctor::Diagram::Mermaid

Includes:
CliGenerator, Which
Included in:
MermaidBlockMacroProcessor, MermaidBlockProcessor
Defined in:
lib/asciidoctor-diagram/mermaid/extension.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Which

which, #which

Methods included from CliGenerator

#generate, #generate_file, #generate_stdin

Class Method Details

.included(mod) ⇒ Object 



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# File 'lib/asciidoctor-diagram/mermaid/extension.rb', line 14

def self.included(mod)
  [:png, :svg].each do |f|
    mod.register_format(f, :image) do |parent, source|
      mermaid(parent, source, f)
    end
  end
end

Instance Method Details

#mermaid(parent, source, format) ⇒ Object 



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# File 'lib/asciidoctor-diagram/mermaid/extension.rb', line 22

def mermaid(parent, source, format)
  mermaid = which(parent, 'mermaid')
  @is_mermaid_v6 ||= ::Asciidoctor::Diagram::Cli.run(mermaid, '--version').split('.')[0].to_i >= 6
  # Mermaid >= 6.0.0 requires PhantomJS 2.1; older version required 1.9
  phantomjs = which(parent, 'phantomjs', :alt_attrs => [@is_mermaid_v6 ? 'phantomjs_2' : 'phantomjs_19'])

  seq_config = source.attr('sequenceConfig', nil, true)
  if seq_config
    seq_config = parent.normalize_system_path(seq_config, source.base_dir)
  end

  width = source.attr('width')

  generate_file(mermaid, 'mmd', format.to_s, source.to_s) do |tool_path, input_path, output_path|
    output_dir = File.dirname(output_path)
    output_file = File.expand_path(File.basename(input_path) + ".#{format.to_s}", output_dir)

    args = [tool_path, '--phantomPath', Platform.native_path(phantomjs), "--#{format.to_s}", '-o', Platform.native_path(output_dir)]

    if seq_config
      args << '--sequenceConfig' << Platform.native_path(seq_config)
    end

    if width
      args << '--width' << width
    end

    args << Platform.native_path(input_path)

    {
        :args => args,
        :out_file => output_file
    }
  end
end