module Music::Transcription::Parsing::Note

Public Instance Methods

_nt_accent() click to toggle source
# File lib/music-transcription/parsing/note_parsing.rb, line 198
def _nt_accent
  start_index = index
  if node_cache[:accent].has_key?(index)
    cached = node_cache[:accent][index]
    if cached
      node_cache[:accent][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  if (match_len = has_terminal?("!", false, index))
    r0 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure("!")
    r0 = nil
  end

  node_cache[:accent][start_index] = r0

  r0
end
_nt_note() click to toggle source
# File lib/music-transcription/parsing/note_parsing.rb, line 57
def _nt_note
  start_index = index
  if node_cache[:note].has_key?(index)
    cached = node_cache[:note][index]
    if cached
      node_cache[:note][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_duration
  s0 << r1
  if r1
    r3 = _nt_articulation
    if r3
      r2 = r3
    else
      r2 = instantiate_node(SyntaxNode,input, index...index)
    end
    s0 << r2
    if r2
      i5, s5 = index, []
      r6 = _nt_pitch_link
      s5 << r6
      if r6
        s7, i7 = [], index
        loop do
          i8, s8 = index, []
          if (match_len = has_terminal?(",", false, index))
            r9 = true
            @index += match_len
          else
            terminal_parse_failure(",")
            r9 = nil
          end
          s8 << r9
          if r9
            r10 = _nt_pitch_link
            s8 << r10
          end
          if s8.last
            r8 = instantiate_node(SyntaxNode,input, i8...index, s8)
            r8.extend(Note0)
          else
            @index = i8
            r8 = nil
          end
          if r8
            s7 << r8
          else
            break
          end
        end
        r7 = instantiate_node(SyntaxNode,input, i7...index, s7)
        s5 << r7
      end
      if s5.last
        r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
        r5.extend(Note1)
      else
        @index = i5
        r5 = nil
      end
      if r5
        r4 = r5
      else
        r4 = instantiate_node(SyntaxNode,input, index...index)
      end
      s0 << r4
      if r4
        r12 = _nt_accent
        if r12
          r11 = r12
        else
          r11 = instantiate_node(SyntaxNode,input, index...index)
        end
        s0 << r11
      end
    end
  end
  if s0.last
    r0 = instantiate_node(NoteNode,input, i0...index, s0)
    r0.extend(Note2)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:note][start_index] = r0

  r0
end
root() click to toggle source
# File lib/music-transcription/parsing/note_parsing.rb, line 11
def root
  @root ||= :note
end