Module: Jekyll::Diagrams::Renderer

Extended by:
Renderer
Included in:
Block, Renderer
Defined in:
lib/jekyll-diagrams/renderer.rb

Instance Method Summary collapse

Instance Method Details

#render_with_command(command, output, options = {}) ⇒ Object 



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# File 'lib/jekyll-diagrams/renderer.rb', line 47

def render_with_command(command, output, options = {})
  stdout, stderr, status = Open3.capture3(command, options)

  if !status.success?
    raise "#{command} failed: #{stdout.empty? ? stderr : stdout}"
  end

  output == :stdout ? stdout : File.read(output)
end

#render_with_stdin(command, content) ⇒ Object 



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# File 'lib/jekyll-diagrams/renderer.rb', line 15

def render_with_stdin(command, content)
  Tempfile.open(['jekyll_diagrams_output', ".svg"]) do |output|
    output.close
    command = yield command, output.path if block_given?

    render_with_command(command, output.path, stdin_data: content)
  end
end

#render_with_stdin_stdout(command, content) ⇒ Object 



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# File 'lib/jekyll-diagrams/renderer.rb', line 9

def render_with_stdin_stdout(command, content)
  command = yield command if block_given?

  render_with_command(command, :stdout, stdin_data: content, binmode: true)
end

#render_with_stdout(command, content) ⇒ Object 



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# File 'lib/jekyll-diagrams/renderer.rb', line 24

def render_with_stdout(command, content)
  Tempfile.open('jekyll_diagrams_input') do |input|
    File.write(input.path, content)

    command = yield command, input.path if block_given?

    render_with_command(command, :stdout)
  end
end

#render_with_tempfile(command, content) ⇒ Object 



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# File 'lib/jekyll-diagrams/renderer.rb', line 34

def render_with_tempfile(command, content)
  Tempfile.open('jekyll_diagrams_input') do |input|
    File.write(input.path, content)

    Tempfile.open(['jekyll_diagrams_output', ".svg"]) do |output|
      output.close
      command = yield command, input.path, output.path if block_given?

      render_with_command(command, output.path)
    end
  end
end