Module: Music::Transcription::Parsing::Tempo

Includes:
PositiveFloat, PositiveInteger, PositiveRational, Treetop::Runtime
Included in:
TempoParser
Defined in:
lib/music-transcription/parsing/tempo_parsing.rb

Defined Under Namespace

Modules: TempoBpm0, TempoBpm1, TempoNpm0, TempoNpm1, TempoNps0, TempoNps1, TempoQnpm0, TempoQnpm1

Instance Method Summary collapse

Methods included from PositiveRational

#_nt_positive_rational

Methods included from PositiveInteger

#_nt_positive_integer

Methods included from NonnegativeInteger

#_nt_nonnegative_integer

Methods included from PositiveFloat

#_nt_exponent, #_nt_float1, #_nt_float2, #_nt_float3, #_nt_positive_float

Instance Method Details

#_nt_positive_number ⇒ Object 



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# File 'lib/music-transcription/parsing/tempo_parsing.rb', line 349

def _nt_positive_number
  start_index = index
  if node_cache[:positive_number].has_key?(index)
    cached = node_cache[:positive_number][index]
    if cached
      node_cache[:positive_number][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  r1 = _nt_positive_float
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    r2 = _nt_positive_rational
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      r3 = _nt_positive_integer
      if r3
        r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
        r0 = r3
      else
        @index = i0
        r0 = nil
      end
    end
  end

  node_cache[:positive_number][start_index] = r0

  r0
end

#_nt_tempo ⇒ Object 



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# File 'lib/music-transcription/parsing/tempo_parsing.rb', line 21

def _nt_tempo
  start_index = index
  if node_cache[:tempo].has_key?(index)
    cached = node_cache[:tempo][index]
    if cached
      node_cache[:tempo][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  r1 = _nt_tempo_bpm
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    r2 = _nt_tempo_qnpm
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      r3 = _nt_tempo_npm
      if r3
        r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
        r0 = r3
      else
        r4 = _nt_tempo_nps
        if r4
          r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
          r0 = r4
        else
          @index = i0
          r0 = nil
        end
      end
    end
  end

  node_cache[:tempo][start_index] = r0

  r0
end

#_nt_tempo_bpm ⇒ Object 



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# File 'lib/music-transcription/parsing/tempo_parsing.rb', line 78

def _nt_tempo_bpm
  start_index = index
  if node_cache[:tempo_bpm].has_key?(index)
    cached = node_cache[:tempo_bpm][index]
    if cached
      node_cache[:tempo_bpm][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_positive_number
  s0 << r1
  if r1
    i2 = index
    if (match_len = has_terminal?("bpm", false, index))
      r3 = instantiate_node(SyntaxNode,input, index...(index + match_len))
      @index += match_len
    else
      terminal_parse_failure("bpm")
      r3 = nil
    end
    if r3
      r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
      r2 = r3
    else
      if (match_len = has_terminal?("BPM", false, index))
        r4 = instantiate_node(SyntaxNode,input, index...(index + match_len))
        @index += match_len
      else
        terminal_parse_failure("BPM")
        r4 = nil
      end
      if r4
        r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
        r2 = r4
      else
        @index = i2
        r2 = nil
      end
    end
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(TempoBpm0)
    r0.extend(TempoBpm1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:tempo_bpm][start_index] = r0

  r0
end

#_nt_tempo_npm ⇒ Object 



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# File 'lib/music-transcription/parsing/tempo_parsing.rb', line 220

def _nt_tempo_npm
  start_index = index
  if node_cache[:tempo_npm].has_key?(index)
    cached = node_cache[:tempo_npm][index]
    if cached
      node_cache[:tempo_npm][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_positive_number
  s0 << r1
  if r1
    i2 = index
    if (match_len = has_terminal?("npm", false, index))
      r3 = instantiate_node(SyntaxNode,input, index...(index + match_len))
      @index += match_len
    else
      terminal_parse_failure("npm")
      r3 = nil
    end
    if r3
      r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
      r2 = r3
    else
      if (match_len = has_terminal?("NPM", false, index))
        r4 = instantiate_node(SyntaxNode,input, index...(index + match_len))
        @index += match_len
      else
        terminal_parse_failure("NPM")
        r4 = nil
      end
      if r4
        r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
        r2 = r4
      else
        @index = i2
        r2 = nil
      end
    end
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(TempoNpm0)
    r0.extend(TempoNpm1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:tempo_npm][start_index] = r0

  r0
end

#_nt_tempo_nps ⇒ Object 



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# File 'lib/music-transcription/parsing/tempo_parsing.rb', line 291

def _nt_tempo_nps
  start_index = index
  if node_cache[:tempo_nps].has_key?(index)
    cached = node_cache[:tempo_nps][index]
    if cached
      node_cache[:tempo_nps][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_positive_number
  s0 << r1
  if r1
    i2 = index
    if (match_len = has_terminal?("nps", false, index))
      r3 = instantiate_node(SyntaxNode,input, index...(index + match_len))
      @index += match_len
    else
      terminal_parse_failure("nps")
      r3 = nil
    end
    if r3
      r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
      r2 = r3
    else
      if (match_len = has_terminal?("NPS", false, index))
        r4 = instantiate_node(SyntaxNode,input, index...(index + match_len))
        @index += match_len
      else
        terminal_parse_failure("NPS")
        r4 = nil
      end
      if r4
        r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
        r2 = r4
      else
        @index = i2
        r2 = nil
      end
    end
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(TempoNps0)
    r0.extend(TempoNps1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:tempo_nps][start_index] = r0

  r0
end

#_nt_tempo_qnpm ⇒ Object 



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# File 'lib/music-transcription/parsing/tempo_parsing.rb', line 149

def _nt_tempo_qnpm
  start_index = index
  if node_cache[:tempo_qnpm].has_key?(index)
    cached = node_cache[:tempo_qnpm][index]
    if cached
      node_cache[:tempo_qnpm][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_positive_number
  s0 << r1
  if r1
    i2 = index
    if (match_len = has_terminal?("qnpm", false, index))
      r3 = instantiate_node(SyntaxNode,input, index...(index + match_len))
      @index += match_len
    else
      terminal_parse_failure("qnpm")
      r3 = nil
    end
    if r3
      r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
      r2 = r3
    else
      if (match_len = has_terminal?("QNPM", false, index))
        r4 = instantiate_node(SyntaxNode,input, index...(index + match_len))
        @index += match_len
      else
        terminal_parse_failure("QNPM")
        r4 = nil
      end
      if r4
        r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
        r2 = r4
      else
        @index = i2
        r2 = nil
      end
    end
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(TempoQnpm0)
    r0.extend(TempoQnpm1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:tempo_qnpm][start_index] = r0

  r0
end

#root ⇒ Object 



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# File 'lib/music-transcription/parsing/tempo_parsing.rb', line 11

def root
  @root ||= :tempo
end