Class: Lydown::Translation::Ripple::Root

Inherits:

Treetop::Runtime::SyntaxNode

• Object
• Treetop::Runtime::SyntaxNode
• Lydown::Translation::Ripple::Root

Defined in:

lib/lydown/translation/ripple/nodes.rb

Direct Known Subclasses

Barline, Command, FullRest, KeySignature, KeySignature::Mode, NamedMacro, NamedMacro::Stop, Noop, Note, Note::Articulation, Note::Duration, Note::Expression, Note::Grace, Note::Head, Phrasing, RelativeCommand, Repeat, Lydown::Translation::Ripple::Repeat::Alternative, Lydown::Translation::Ripple::Repeat::Start, TimeSignature

Instance Method Summary

• #_translate(element, stream, opts) ⇒ Object
• #check_line_break(stream, opts) ⇒ Object
• #source_line(opts) ⇒ Object
• #translate(stream = [], opts = {}) ⇒ Object

Instance Method Details

#_translate(element, stream, opts) ⇒ Object

# File 'lib/lydown/translation/ripple/nodes.rb', line 3

def _translate(element, stream, opts)
  if element.elements
    element.elements.each do |e|
      e.respond_to?(:translate) ? 
        e.translate(stream, opts) : 
        _translate(e, stream, opts)
    end
  end
  stream
end

#check_line_break(stream, opts) ⇒ Object

# File 'lib/lydown/translation/ripple/nodes.rb', line 28

def check_line_break(stream, opts)
  line = source_line(opts)
  if line != opts[:last_line]
    unless stream.empty? || (stream[-1] == "\n")
      # remove whitespace at end of line
      stream.gsub!(/\s+$/, '')
      stream << "\n"
    end
    opts[:last_line] = line
  end
end

#source_line(opts) ⇒ Object

# File 'lib/lydown/translation/ripple/nodes.rb', line 19

def source_line(opts)
  if opts[:source]
    line, column = opts[:source].find_line_and_column(interval.first)
    line
  else
    nil
  end
end

#translate(stream = [], opts = {}) ⇒ Object

# File 'lib/lydown/translation/ripple/nodes.rb', line 14

def translate(stream = [], opts = {})
  _translate(self, stream, opts)
  stream
end