Module: Asciidoctor::PDF::FormattedText::Markup

Includes:
Treetop::Runtime
Included in:
MarkupParser
Defined in:
lib/asciidoctor/pdf/formatted_text/parser.rb

Defined Under Namespace

Modules: Attribute0, Attribute1, Attributes0, Cdata0, Charref0, Charref1, Charref2, Charref3, Complex0, Element0, Element1, EndTag0, EndTag1, StartTag0, StartTag1, VoidElement0, VoidElement1, VoidElement2

Instance Method Summary collapse

Instance Method Details

#_nt_attribute ⇒ Object 



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# File 'lib/asciidoctor/pdf/formatted_text/parser.rb', line 608

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

  i0, s0 = index, []
  r1 = _nt_spaces
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      if has_terminal?(@regexps[gr = '\A[a-z_]'] ||= Regexp.new(gr), :regexp, index)
        r3 = true
        @index += 1
      else
        terminal_parse_failure('[a-z_]')
        r3 = nil
      end
      if r3
        s2 << r3
      else
        break
      end
    end
    if s2.empty?
      @index = i2
      r2 = nil
    else
      r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
    end
    s0 << r2
    if r2
      if (match_len = has_terminal?('=', false, index))
        r4 = true
        @index += match_len
      else
        terminal_parse_failure('\'=\'')
        r4 = nil
      end
      s0 << r4
      if r4
        if (match_len = has_terminal?('"', false, index))
          r5 = true
          @index += match_len
        else
          terminal_parse_failure('\'"\'')
          r5 = nil
        end
        s0 << r5
        if r5
          s6, i6 = [], index
          loop do
            if has_terminal?(@regexps[gr = '\A[^"]'] ||= Regexp.new(gr), :regexp, index)
              r7 = true
              @index += 1
            else
              terminal_parse_failure('[^"]')
              r7 = nil
            end
            if r7
              s6 << r7
            else
              break
            end
          end
          r6 = instantiate_node(SyntaxNode,input, i6...index, s6)
          s0 << r6
          if r6
            if (match_len = has_terminal?('"', false, index))
              r8 = true
              @index += match_len
            else
              terminal_parse_failure('\'"\'')
              r8 = nil
            end
            s0 << r8
          end
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(Attribute0)
    r0.extend(Attribute1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:attribute][start_index] = r0

  r0
end

#_nt_attributes ⇒ Object 



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# File 'lib/asciidoctor/pdf/formatted_text/parser.rb', line 567

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

  s0, i0 = [], index
  loop do
    r1 = _nt_attribute
    if r1
      s0 << r1
    else
      break
    end
  end
  r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
  r0.extend(Attributes0)

  node_cache[:attributes][start_index] = r0

  r0
end

#_nt_cdata ⇒ Object 



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# File 'lib/asciidoctor/pdf/formatted_text/parser.rb', line 776

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

  s0, i0 = [], index
  loop do
    if has_terminal?(@regexps[gr = '\A[^<&]'] ||= Regexp.new(gr), :regexp, index)
      r1 = true
      @index += 1
    else
      terminal_parse_failure('[^<&]')
      r1 = nil
    end
    if r1
      s0 << r1
    else
      break
    end
  end
  if s0.empty?
    @index = i0
    r0 = nil
  else
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(Cdata0)
  end

  node_cache[:cdata][start_index] = r0

  r0
end

#_nt_character_decimal ⇒ Object 



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# File 'lib/asciidoctor/pdf/formatted_text/parser.rb', line 948

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

  s0, i0 = [], index
  loop do
    if has_terminal?(@regexps[gr = '\A[0-9]'] ||= Regexp.new(gr), :regexp, index)
      r1 = true
      @index += 1
    else
      terminal_parse_failure('[0-9]')
      r1 = nil
    end
    if r1
      s0 << r1
    else
      break
    end
    if s0.size == 6
      break
    end
  end
  if s0.size < 2
    @index = i0
    r0 = nil
  else
    if s0.size < 6
      @terminal_failures.pop
    end
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
  end

  node_cache[:character_decimal][start_index] = r0

  r0
end

#_nt_character_hex ⇒ Object 



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# File 'lib/asciidoctor/pdf/formatted_text/parser.rb', line 992

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

  s0, i0 = [], index
  loop do
    if has_terminal?(@regexps[gr = '\A[0-9a-fA-F]'] ||= Regexp.new(gr), :regexp, index)
      r1 = true
      @index += 1
    else
      terminal_parse_failure('[0-9a-fA-F]')
      r1 = nil
    end
    if r1
      s0 << r1
    else
      break
    end
    if s0.size == 5
      break
    end
  end
  if s0.size < 2
    @index = i0
    r0 = nil
  else
    if s0.size < 5
      @terminal_failures.pop
    end
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
  end

  node_cache[:character_hex][start_index] = r0

  r0
end

#_nt_character_name ⇒ Object 



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# File 'lib/asciidoctor/pdf/formatted_text/parser.rb', line 1036

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

  i0 = index
  if (match_len = has_terminal?('amp', false, index))
    r1 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'amp\'')
    r1 = nil
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    if (match_len = has_terminal?('apos', false, index))
      r2 = instantiate_node(SyntaxNode,input, index...(index + match_len))
      @index += match_len
    else
      terminal_parse_failure('\'apos\'')
      r2 = nil
    end
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      if (match_len = has_terminal?('gt', false, index))
        r3 = instantiate_node(SyntaxNode,input, index...(index + match_len))
        @index += match_len
      else
        terminal_parse_failure('\'gt\'')
        r3 = nil
      end
      if r3
        r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
        r0 = r3
      else
        if (match_len = has_terminal?('lt', false, index))
          r4 = instantiate_node(SyntaxNode,input, index...(index + match_len))
          @index += match_len
        else
          terminal_parse_failure('\'lt\'')
          r4 = nil
        end
        if r4
          r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
          r0 = r4
        else
          if (match_len = has_terminal?('nbsp', false, index))
            r5 = instantiate_node(SyntaxNode,input, index...(index + match_len))
            @index += match_len
          else
            terminal_parse_failure('\'nbsp\'')
            r5 = nil
          end
          if r5
            r5 = SyntaxNode.new(input, (index-1)...index) if r5 == true
            r0 = r5
          else
            if (match_len = has_terminal?('quot', false, index))
              r6 = instantiate_node(SyntaxNode,input, index...(index + match_len))
              @index += match_len
            else
              terminal_parse_failure('\'quot\'')
              r6 = nil
            end
            if r6
              r6 = SyntaxNode.new(input, (index-1)...index) if r6 == true
              r0 = r6
            else
              @index = i0
              r0 = nil
            end
          end
        end
      end
    end
  end

  node_cache[:character_name][start_index] = r0

  r0
end

#_nt_charref ⇒ Object 



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# File 'lib/asciidoctor/pdf/formatted_text/parser.rb', line 842

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

  i0, s0 = index, []
  if (match_len = has_terminal?('&', false, index))
    r1 = true
    @index += match_len
  else
    terminal_parse_failure('\'&\'')
    r1 = nil
  end
  s0 << r1
  if r1
    i2 = index
    i3, s3 = index, []
    if (match_len = has_terminal?('#', false, index))
      r4 = true
      @index += match_len
    else
      terminal_parse_failure('\'#\'')
      r4 = nil
    end
    s3 << r4
    if r4
      r5 = _nt_character_decimal
      s3 << r5
    end
    if s3.last
      r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
      r3.extend(Charref0)
    else
      @index = i3
      r3 = nil
    end
    if r3
      r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
      r2 = r3
    else
      i6, s6 = index, []
      if (match_len = has_terminal?('#x', false, index))
        r7 = instantiate_node(SyntaxNode,input, index...(index + match_len))
        @index += match_len
      else
        terminal_parse_failure('\'#x\'')
        r7 = nil
      end
      s6 << r7
      if r7
        r8 = _nt_character_hex
        s6 << r8
      end
      if s6.last
        r6 = instantiate_node(SyntaxNode,input, i6...index, s6)
        r6.extend(Charref1)
      else
        @index = i6
        r6 = nil
      end
      if r6
        r6 = SyntaxNode.new(input, (index-1)...index) if r6 == true
        r2 = r6
      else
        r9 = _nt_character_name
        if r9
          r9 = SyntaxNode.new(input, (index-1)...index) if r9 == true
          r2 = r9
        else
          @index = i2
          r2 = nil
        end
      end
    end
    s0 << r2
    if r2
      if (match_len = has_terminal?(';', false, index))
        r10 = true
        @index += match_len
      else
        terminal_parse_failure('\';\'')
        r10 = nil
      end
      s0 << r10
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(Charref2)
    r0.extend(Charref3)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:charref][start_index] = r0

  r0
end

#_nt_complex ⇒ Object 



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# File 'lib/asciidoctor/pdf/formatted_text/parser.rb', line 39

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

  s0, i0 = [], index
  loop do
    i1 = index
    r2 = _nt_cdata
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r1 = r2
    else
      r3 = _nt_element
      if r3
        r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
        r1 = r3
      else
        r4 = _nt_charref
        if r4
          r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
          r1 = r4
        else
          @index = i1
          r1 = nil
        end
      end
    end
    if r1
      s0 << r1
    else
      break
    end
  end
  r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
  r0.extend(Complex0)

  node_cache[:complex][start_index] = r0

  r0
end

#_nt_element ⇒ Object 



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# File 'lib/asciidoctor/pdf/formatted_text/parser.rb', line 108

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

  i0 = index
  r1 = _nt_void_element
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    i2, s2 = index, []
    r3 = _nt_start_tag
    s2 << r3
    if r3
      r4 = _nt_complex
      s2 << r4
      if r4
        r5 = _nt_end_tag
        s2 << r5
      end
    end
    if s2.last
      r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
      r2.extend(Element0)
      r2.extend(Element1)
    else
      @index = i2
      r2 = nil
    end
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:element][start_index] = r0

  r0
end

#_nt_end_tag ⇒ Object 



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# File 'lib/asciidoctor/pdf/formatted_text/parser.rb', line 722

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

  i0, s0 = index, []
  if (match_len = has_terminal?('</', false, index))
    r1 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'</\'')
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_tag_name
    s0 << r2
    if r2
      if (match_len = has_terminal?('>', false, index))
        r3 = true
        @index += match_len
      else
        terminal_parse_failure('\'>\'')
        r3 = nil
      end
      s0 << r3
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(EndTag0)
    r0.extend(EndTag1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:end_tag][start_index] = r0

  r0
end

#_nt_spaces ⇒ Object 



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# File 'lib/asciidoctor/pdf/formatted_text/parser.rb', line 1128

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

  s0, i0 = [], index
  loop do
    if (match_len = has_terminal?(' ', false, index))
      r1 = true
      @index += match_len
    else
      terminal_parse_failure('\' \'')
      r1 = nil
    end
    if r1
      s0 << r1
    else
      break
    end
  end
  if s0.empty?
    @index = i0
    r0 = nil
  else
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
  end

  node_cache[:spaces][start_index] = r0

  r0
end

#_nt_start_tag ⇒ Object 



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# File 'lib/asciidoctor/pdf/formatted_text/parser.rb', line 284

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

  i0, s0 = index, []
  if (match_len = has_terminal?('<', false, index))
    r1 = true
    @index += match_len
  else
    terminal_parse_failure('\'<\'')
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_tag_name
    s0 << r2
    if r2
      r3 = _nt_attributes
      s0 << r3
      if r3
        if (match_len = has_terminal?('>', false, index))
          r4 = true
          @index += match_len
        else
          terminal_parse_failure('\'>\'')
          r4 = nil
        end
        s0 << r4
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(StartTag0)
    r0.extend(StartTag1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:start_tag][start_index] = r0

  r0
end

#_nt_tag_name ⇒ Object 



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# File 'lib/asciidoctor/pdf/formatted_text/parser.rb', line 336

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

  i0 = index
  if (match_len = has_terminal?('a', false, index))
    r1 = true
    @index += match_len
  else
    terminal_parse_failure('\'a\'')
    r1 = nil
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    if (match_len = has_terminal?('strong', false, index))
      r2 = instantiate_node(SyntaxNode,input, index...(index + match_len))
      @index += match_len
    else
      terminal_parse_failure('\'strong\'')
      r2 = nil
    end
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      if (match_len = has_terminal?('em', false, index))
        r3 = instantiate_node(SyntaxNode,input, index...(index + match_len))
        @index += match_len
      else
        terminal_parse_failure('\'em\'')
        r3 = nil
      end
      if r3
        r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
        r0 = r3
      else
        if (match_len = has_terminal?('code', false, index))
          r4 = instantiate_node(SyntaxNode,input, index...(index + match_len))
          @index += match_len
        else
          terminal_parse_failure('\'code\'')
          r4 = nil
        end
        if r4
          r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
          r0 = r4
        else
          if (match_len = has_terminal?('font', false, index))
            r5 = instantiate_node(SyntaxNode,input, index...(index + match_len))
            @index += match_len
          else
            terminal_parse_failure('\'font\'')
            r5 = nil
          end
          if r5
            r5 = SyntaxNode.new(input, (index-1)...index) if r5 == true
            r0 = r5
          else
            if (match_len = has_terminal?('span', false, index))
              r6 = instantiate_node(SyntaxNode,input, index...(index + match_len))
              @index += match_len
            else
              terminal_parse_failure('\'span\'')
              r6 = nil
            end
            if r6
              r6 = SyntaxNode.new(input, (index-1)...index) if r6 == true
              r0 = r6
            else
              if (match_len = has_terminal?('button', false, index))
                r7 = instantiate_node(SyntaxNode,input, index...(index + match_len))
                @index += match_len
              else
                terminal_parse_failure('\'button\'')
                r7 = nil
              end
              if r7
                r7 = SyntaxNode.new(input, (index-1)...index) if r7 == true
                r0 = r7
              else
                if (match_len = has_terminal?('kbd', false, index))
                  r8 = instantiate_node(SyntaxNode,input, index...(index + match_len))
                  @index += match_len
                else
                  terminal_parse_failure('\'kbd\'')
                  r8 = nil
                end
                if r8
                  r8 = SyntaxNode.new(input, (index-1)...index) if r8 == true
                  r0 = r8
                else
                  if (match_len = has_terminal?('sup', false, index))
                    r9 = instantiate_node(SyntaxNode,input, index...(index + match_len))
                    @index += match_len
                  else
                    terminal_parse_failure('\'sup\'')
                    r9 = nil
                  end
                  if r9
                    r9 = SyntaxNode.new(input, (index-1)...index) if r9 == true
                    r0 = r9
                  else
                    if (match_len = has_terminal?('sub', false, index))
                      r10 = instantiate_node(SyntaxNode,input, index...(index + match_len))
                      @index += match_len
                    else
                      terminal_parse_failure('\'sub\'')
                      r10 = nil
                    end
                    if r10
                      r10 = SyntaxNode.new(input, (index-1)...index) if r10 == true
                      r0 = r10
                    else
                      if (match_len = has_terminal?('mark', false, index))
                        r11 = instantiate_node(SyntaxNode,input, index...(index + match_len))
                        @index += match_len
                      else
                        terminal_parse_failure('\'mark\'')
                        r11 = nil
                      end
                      if r11
                        r11 = SyntaxNode.new(input, (index-1)...index) if r11 == true
                        r0 = r11
                      else
                        if (match_len = has_terminal?('menu', false, index))
                          r12 = instantiate_node(SyntaxNode,input, index...(index + match_len))
                          @index += match_len
                        else
                          terminal_parse_failure('\'menu\'')
                          r12 = nil
                        end
                        if r12
                          r12 = SyntaxNode.new(input, (index-1)...index) if r12 == true
                          r0 = r12
                        else
                          if (match_len = has_terminal?('del', false, index))
                            r13 = instantiate_node(SyntaxNode,input, index...(index + match_len))
                            @index += match_len
                          else
                            terminal_parse_failure('\'del\'')
                            r13 = nil
                          end
                          if r13
                            r13 = SyntaxNode.new(input, (index-1)...index) if r13 == true
                            r0 = r13
                          else
                            @index = i0
                            r0 = nil
                          end
                        end
                      end
                    end
                  end
                end
              end
            end
          end
        end
      end
    end
  end

  node_cache[:tag_name][start_index] = r0

  r0
end

#_nt_text ⇒ Object 



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# File 'lib/asciidoctor/pdf/formatted_text/parser.rb', line 15

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

  r0 = _nt_complex

  node_cache[:text][start_index] = r0

  r0
end

#_nt_void_element ⇒ Object 



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# File 'lib/asciidoctor/pdf/formatted_text/parser.rb', line 178

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

  i0, s0 = index, []
  if (match_len = has_terminal?('<', false, index))
    r1 = true
    @index += match_len
  else
    terminal_parse_failure('\'<\'')
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_void_tag_name
    s0 << r2
    if r2
      r3 = _nt_attributes
      s0 << r3
      if r3
        i5, s5 = index, []
        r7 = _nt_spaces
        if r7
          r6 = r7
        else
          r6 = instantiate_node(SyntaxNode,input, index...index)
        end
        s5 << r6
        if r6
          if (match_len = has_terminal?('/', false, index))
            r8 = true
            @index += match_len
          else
            terminal_parse_failure('\'/\'')
            r8 = nil
          end
          s5 << r8
        end
        if s5.last
          r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
          r5.extend(VoidElement0)
        else
          @index = i5
          r5 = nil
        end
        if r5
          r4 = r5
        else
          r4 = instantiate_node(SyntaxNode,input, index...index)
        end
        s0 << r4
        if r4
          if (match_len = has_terminal?('>', false, index))
            r9 = true
            @index += match_len
          else
            terminal_parse_failure('\'>\'')
            r9 = nil
          end
          s0 << r9
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(VoidElement1)
    r0.extend(VoidElement2)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:void_element][start_index] = r0

  r0
end

#_nt_void_tag_name ⇒ Object 



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# File 'lib/asciidoctor/pdf/formatted_text/parser.rb', line 512

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

  i0 = index
  if (match_len = has_terminal?('br', false, index))
    r1 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'br\'')
    r1 = nil
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    if (match_len = has_terminal?('img', false, index))
      r2 = instantiate_node(SyntaxNode,input, index...(index + match_len))
      @index += match_len
    else
      terminal_parse_failure('\'img\'')
      r2 = nil
    end
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:void_tag_name][start_index] = r0

  r0
end

#root ⇒ Object 



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# File 'lib/asciidoctor/pdf/formatted_text/parser.rb', line 11

def root
  @root ||= :text
end