Module: Lydown::CLI::Compiler

Defined in:
lib/lydown/cli/compiler.rb

Class Method Summary collapse

Class Method Details

.compile(ly_code, opts) ⇒ Object 



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# File 'lib/lydown/cli/compiler.rb', line 53

def compile(ly_code, opts)
  opts = opts.deep_clone
  begin
    STDERR.puts "Compiling => #{opts[:output_target]}"
    t1 = Time.now
    Lydown::Lilypond.compile(ly_code, opts)
    t2 = Time.now
    STDERR.puts "Elapsed: #{t2-t1}s"
  rescue LydownError => e
    STDERR.puts e.message
    STDERR.puts e.backtrace.join("\n")
  rescue => e
    STDERR.puts "#{e.class}: #{e.message}"
    STDERR.puts e.backtrace.join("\n")
  end

  if opts[:open_target]
    filename = "#{opts[:output_target]}.#{opts[:format]}"
    
    unless File.file?(filename)
      filename = "#{opts[:output_target]}-page1.#{opts[:format]}"
    end

    # Mac OSX specific probably
    system("open #{filename}")
  end
end

.output_filename(opts) ⇒ Object 



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# File 'lib/lydown/cli/compiler.rb', line 5

def output_filename(opts)
  fn = opts[:output_filename]
  if opts[:movements] && opts[:movements].size == 1
    fn << "-#{opts[:movements].first}"
  end
  if opts[:parts] && opts[:parts].size == 1
    fn << "-#{opts[:parts].first}"
  end
  fn
end

.process(opts) ⇒ Object 



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# File 'lib/lydown/cli/compiler.rb', line 16

def process(opts)
  opts = opts.deep_clone
  # translate lydown code to lilypond code
  ly_code = ''
  begin
    opts[:path] = opts[:source_filename]
    opts[:nice_error] = true
    work = Lydown::Work.new(opts)
    ly_code = work.to_lilypond(opts)
  rescue LydownError => e
    STDERR.puts e.message
    STDERR.puts e.backtrace.join("\n")
    exit 1
  rescue => e
    STDERR.puts "#{e.class}: #{e.message}\n#{e.backtrace.join("\n")}"
    exit 1
  end
  
  opts[:output_target] = output_filename(opts)

  if opts[:format] == 'ly'
    unless opts[:output_target]
      STDOUT << ly_code
    else
      begin
        File.open(opts[:output_target] + '.ly', 'w+') do |f|
          f.write ly_code
        end
      rescue => e
        STDERR.puts "#{e.class}: #{e.message}"
      end
    end
  else
    compile(ly_code, opts)
  end
end