# Autogenerated from a Treetop grammar. Edits may be lost.


module Mail
  module ContentType
    include Treetop::Runtime

    def root
      @root ||= :content_type
    end

    include RFC2822

    include RFC2045

    module ContentType0
      def CFWS1
        elements[0]
      end

      def parameter
        elements[2]
      end

      def CFWS2
        elements[3]
      end
    end

    module ContentType1
      def main_type
        elements[0]
      end

      def sub_type
        elements[2]
      end

      def param_hashes
        elements[3]
      end
    end

    module ContentType2
      def parameters
        param_hashes.elements.map do |param|
          param.parameter.param_hash
        end
      end
    end

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

      i0, s0 = index, []
      r1 = _nt_main_type
      s0 << r1
      if r1
        if has_terminal?("/", false, index)
          r2 = instantiate_node(SyntaxNode,input, index...(index + 1))
          @index += 1
        else
          terminal_parse_failure("/")
          r2 = nil
        end
        s0 << r2
        if r2
          r3 = _nt_sub_type
          s0 << r3
          if r3
            s4, i4 = [], index
            loop do
              i5, s5 = index, []
              r6 = _nt_CFWS
              s5 << r6
              if r6
                if has_terminal?(";", false, index)
                  r8 = instantiate_node(SyntaxNode,input, index...(index + 1))
                  @index += 1
                else
                  terminal_parse_failure(";")
                  r8 = nil
                end
                if r8
                  r7 = r8
                else
                  r7 = instantiate_node(SyntaxNode,input, index...index)
                end
                s5 << r7
                if r7
                  r9 = _nt_parameter
                  s5 << r9
                  if r9
                    r10 = _nt_CFWS
                    s5 << r10
                  end
                end
              end
              if s5.last
                r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
                r5.extend(ContentType0)
              else
                @index = i5
                r5 = nil
              end
              if r5
                s4 << r5
              else
                break
              end
            end
            r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
            s0 << r4
          end
        end
      end
      if s0.last
        r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
        r0.extend(ContentType1)
        r0.extend(ContentType2)
      else
        @index = i0
        r0 = nil
      end

      node_cache[:content_type][start_index] = r0

      r0
    end

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

      i0 = index
      r1 = _nt_discrete_type
      if r1
        r0 = r1
      else
        r2 = _nt_composite_type
        if r2
          r0 = r2
        else
          @index = i0
          r0 = nil
        end
      end

      node_cache[:main_type][start_index] = r0

      r0
    end

    module DiscreteType0
    end

    module DiscreteType1
    end

    module DiscreteType2
    end

    module DiscreteType3
    end

    module DiscreteType4
    end

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

      i0 = index
      i1, s1 = index, []
      if has_terminal?('\G[tT]', true, index)
        r2 = true
        @index += 1
      else
        r2 = nil
      end
      s1 << r2
      if r2
        if has_terminal?('\G[eE]', true, index)
          r3 = true
          @index += 1
        else
          r3 = nil
        end
        s1 << r3
        if r3
          if has_terminal?('\G[xX]', true, index)
            r4 = true
            @index += 1
          else
            r4 = nil
          end
          s1 << r4
          if r4
            if has_terminal?('\G[tT]', true, index)
              r5 = true
              @index += 1
            else
              r5 = nil
            end
            s1 << r5
          end
        end
      end
      if s1.last
        r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
        r1.extend(DiscreteType0)
      else
        @index = i1
        r1 = nil
      end
      if r1
        r0 = r1
      else
        i6, s6 = index, []
        if has_terminal?('\G[iI]', true, index)
          r7 = true
          @index += 1
        else
          r7 = nil
        end
        s6 << r7
        if r7
          if has_terminal?('\G[mM]', true, index)
            r8 = true
            @index += 1
          else
            r8 = nil
          end
          s6 << r8
          if r8
            if has_terminal?('\G[aA]', true, index)
              r9 = true
              @index += 1
            else
              r9 = nil
            end
            s6 << r9
            if r9
              if has_terminal?('\G[gG]', true, index)
                r10 = true
                @index += 1
              else
                r10 = nil
              end
              s6 << r10
              if r10
                if has_terminal?('\G[eE]', true, index)
                  r11 = true
                  @index += 1
                else
                  r11 = nil
                end
                s6 << r11
              end
            end
          end
        end
        if s6.last
          r6 = instantiate_node(SyntaxNode,input, i6...index, s6)
          r6.extend(DiscreteType1)
        else
          @index = i6
          r6 = nil
        end
        if r6
          r0 = r6
        else
          i12, s12 = index, []
          if has_terminal?('\G[aA]', true, index)
            r13 = true
            @index += 1
          else
            r13 = nil
          end
          s12 << r13
          if r13
            if has_terminal?('\G[uU]', true, index)
              r14 = true
              @index += 1
            else
              r14 = nil
            end
            s12 << r14
            if r14
              if has_terminal?('\G[dD]', true, index)
                r15 = true
                @index += 1
              else
                r15 = nil
              end
              s12 << r15
              if r15
                if has_terminal?('\G[iI]', true, index)
                  r16 = true
                  @index += 1
                else
                  r16 = nil
                end
                s12 << r16
                if r16
                  if has_terminal?('\G[oO]', true, index)
                    r17 = true
                    @index += 1
                  else
                    r17 = nil
                  end
                  s12 << r17
                end
              end
            end
          end
          if s12.last
            r12 = instantiate_node(SyntaxNode,input, i12...index, s12)
            r12.extend(DiscreteType2)
          else
            @index = i12
            r12 = nil
          end