Module: Asciidoctor::Diagram::CliGenerator

Defined in:
lib/asciidoctor-diagram/util/cli_generator.rb

Class Method Summary collapse

Class Method Details

.generate(opts, target_file, open3_opts = {}) ⇒ Object 



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# File 'lib/asciidoctor-diagram/util/cli_generator.rb', line 45

def self.generate(opts, target_file, open3_opts = {})
  case opts
    when Array
      args = opts
      out_file = nil
    when Hash
      args = opts[:args]
      out_file = opts[:out_file]
    else
      raise "Block passed to generate_file should return an Array or a Hash"
  end

  run_cli(*args, open3_opts)

  if out_file
    File.rename(out_file, target_file.path)
  end

  File.binread(target_file.path)
end

.generate_file(tool, format, code) ⇒ Object 



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# File 'lib/asciidoctor-diagram/util/cli_generator.rb', line 23

def self.generate_file(tool, format, code)
  tool_name = File.basename(tool)

  source_file = Tempfile.new([tool_name, ".#{format}"])
  begin
    File.write(source_file.path, code)

    target_file = Tempfile.new([tool_name, ".#{format}"])
    begin
      target_file.close

      opts = yield tool, source_file.path, target_file.path

      generate(opts, target_file)
    ensure
      target_file.unlink
    end
  ensure
    source_file.unlink
  end
end

.generate_stdin(tool, format, code) ⇒ Object 



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# File 'lib/asciidoctor-diagram/util/cli_generator.rb', line 8

def self.generate_stdin(tool, format, code)
  tool_name = File.basename(tool)

  target_file = Tempfile.new([tool_name, ".#{format}"])
  begin
    target_file.close

    opts = yield tool, target_file.path

    generate(opts, target_file, :stdin_data => code)
  ensure
    target_file.unlink
  end
end

.run_cli(*args) ⇒ Object 



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# File 'lib/asciidoctor-diagram/util/cli_generator.rb', line 66

def self.run_cli(*args)
  stdout, stderr, status = Open3.capture3(*args)

  if status != 0
    raise "#{File.basename(args[0])} failed: #{stdout.empty? ? stderr : stdout}"
  end

  stdout
end