Module: CsvParser::Csv

Includes:
ParserExtensions, Treetop::Runtime
Included in:
CsvParser
Defined in:
lib/csv_parser/csv_parser.rb

Defined Under Namespace

Modules: EmptyRecord0, EmptyRecord1, EmptyRecords0, Field0, Field1, FieldSep0, FieldSep1, FirstRecord0, FirstRecord1, NonEmptyRecord0, NonEmptyRecord1, NonEmptyRecord2, NonEmptyRecords0, NonEmptyRecords1, OtherRecords0, OtherRecords1, OtherRecords10, OtherRecords2, OtherRecords3, OtherRecords4, OtherRecords5, OtherRecords6, OtherRecords7, OtherRecords8, OtherRecords9, Quote0, QuotedText0, QuotedText1, QuotedText2, RecordSep0, RecordSep1, UnquotedText0, UnquotedText1

Instance Method Summary collapse

Methods included from ParserExtensions

#allow_empty_record=, #allow_empty_record?, #allow_uneven_records=, #allow_uneven_records?, #failure_index, #failure_type, #field_sep, #field_sep=, #quote_char, #quote_char=, #record_sep, #record_sep=, #skip_empty_record=, #skip_empty_record?, #warnings

Instance Method Details

#_nt_empty_record ⇒ Object 



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# File 'lib/csv_parser/csv_parser.rb', line 698

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

  i0, s0 = index, []
  if has_terminal?('', false, index)
    r1 = instantiate_node(SyntaxNode,input, index...(index + 0))
    @index += 0
  else
    terminal_parse_failure('')
    r1 = nil
  end
  s0 << r1
  if r1
    i2 = index
    r3 = lambda { |s|
            if allow_empty_record?
              true
            else
              @failure_type = :missing_fields
              false
            end
          }.call(s0)
    if r3
      @index = i2
      r2 = instantiate_node(SyntaxNode,input, index...index)
    else
      r2 = nil
    end
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(EmptyRecord0)
    r0.extend(EmptyRecord1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:empty_record][start_index] = r0

  r0
end

#_nt_empty_records ⇒ Object 



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# File 'lib/csv_parser/csv_parser.rb', line 103

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

  if has_terminal?('', false, index)
    r0 = instantiate_node(SyntaxNode,input, index...(index + 0))
    r0.extend(EmptyRecords0)
    @index += 0
  else
    terminal_parse_failure('')
    r0 = nil
  end

  node_cache[:empty_records][start_index] = r0

  r0
end

#_nt_field ⇒ Object 



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# File 'lib/csv_parser/csv_parser.rb', line 762

def _nt_field
  start_index = index
  if node_cache[:field].has_key?(index)
    cached = node_cache[:field][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_unquoted_text
  r1.extend(Field0)
  if r1
    r0 = r1
  else
    r2 = _nt_quoted_text
    r2.extend(Field1)
    if r2
      r0 = r2
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:field][start_index] = r0

  r0
end

#_nt_field_sep ⇒ Object 



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# File 'lib/csv_parser/csv_parser.rb', line 1050

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

  i0, s0 = index, []
  i1 = index
  r2 = lambda { |s| @field_sep_index = 0; true }.call(s0)
  if r2
    @index = i1
    r1 = instantiate_node(SyntaxNode,input, index...index)
  else
    r1 = nil
  end
  s0 << r1
  if r1
    s3, i3 = [], index
    loop do
      i4, s4 = index, []
      i5 = index
      r6 = _nt_record_sep
      if r6
        r5 = nil
      else
        @index = i5
        r5 = instantiate_node(SyntaxNode,input, index...index)
      end
      s4 << r5
      if r5
        i7 = index
        r8 = _nt_quote
        if r8
          r7 = nil
        else
          @index = i7
          r7 = instantiate_node(SyntaxNode,input, index...index)
        end
        s4 << r7
        if r7
          if index < input_length
            r9 = instantiate_node(SyntaxNode,input, index...(index + 1))
            @index += 1
          else
            terminal_parse_failure("any character")
            r9 = nil
          end
          s4 << r9
          if r9
            i10 = index
            r11 = lambda { |s|
                      if @field_sep_index < field_sep.length &&
                         s[2].text_value == field_sep[@field_sep_index]
                        @field_sep_index += 1
                        true
                      else
                        false
                      end
                    }.call(s4)
            if r11
              @index = i10
              r10 = instantiate_node(SyntaxNode,input, index...index)
            else
              r10 = nil
            end
            s4 << r10
          end
        end
      end
      if s4.last
        r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
        r4.extend(FieldSep0)
      else
        @index = i4
        r4 = nil
      end
      if r4
        s3 << r4
      else
        break
      end
    end
    if s3.empty?
      @index = i3
      r3 = nil
    else
      r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
    end
    s0 << r3
    if r3
      i12 = index
      r13 = lambda { |s| s.map(&:text_value).join == field_sep }.call(s0)
      if r13
        @index = i12
        r12 = instantiate_node(SyntaxNode,input, index...index)
      else
        r12 = nil
      end
      s0 << r12
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(FieldSep1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:field_sep][start_index] = r0

  r0
end

#_nt_first_record ⇒ Object 



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# File 'lib/csv_parser/csv_parser.rb', line 141

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

  i0, s0 = index, []
  if has_terminal?('', false, index)
    r1 = instantiate_node(SyntaxNode,input, index...(index + 0))
    @index += 0
  else
    terminal_parse_failure('')
    r1 = nil
  end
  s0 << r1
  if r1
    i2 = index
    r3 = lambda { |s| @first_record = true; true }.call(s0)
    if r3
      @index = i2
      r2 = instantiate_node(SyntaxNode,input, index...index)
    else
      r2 = nil
    end
    s0 << r2
    if r2
      r4 = _nt_non_empty_record
      s0 << r4
      if r4
        i5 = index
        r6 = lambda { |s| @first_record_length = @record_length; true }.call(s0)
        if r6
          @index = i5
          r5 = instantiate_node(SyntaxNode,input, index...index)
        else
          r5 = nil
        end
        s0 << r5
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(FirstRecord0)
    r0.extend(FirstRecord1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:first_record][start_index] = r0

  r0
end

#_nt_non_empty_record ⇒ Object 



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# File 'lib/csv_parser/csv_parser.rb', line 564

def _nt_non_empty_record
  start_index = index
  if node_cache[:non_empty_record].has_key?(index)
    cached = node_cache[:non_empty_record][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_field
  s0 << r1
  if r1
    i2 = index
    r3 = lambda { |s| @record_length = 1; @warning = nil; true }.call(s0)
    if r3
      @index = i2
      r2 = instantiate_node(SyntaxNode,input, index...index)
    else
      r2 = nil
    end
    s0 << r2
    if r2
      s4, i4 = [], index
      loop do
        i5, s5 = index, []
        i6 = index
        r7 = lambda { |s|
                  if @first_record || @record_length < @first_record_length
                    true
                  else
                    if allow_uneven_records?
                      @warning ||= [:extra_fields, input.line_of(index + 1), input.column_of(index + 1)]
                      true
                    else
                      @failure_type = :extra_fields
                      false
                    end
                  end
                }.call(s5)
        if r7
          @index = i6
          r6 = instantiate_node(SyntaxNode,input, index...index)
        else
          r6 = nil
        end
        s5 << r6
        if r6
          r8 = _nt_field_sep
          s5 << r8
          if r8
            r9 = _nt_field
            s5 << r9
            if r9
              i10 = index
              r11 = lambda { |s| @record_length += 1; true }.call(s5)
              if r11
                @index = i10
                r10 = instantiate_node(SyntaxNode,input, index...index)
              else
                r10 = nil
              end
              s5 << r10
            end
          end
        end
        if s5.last
          r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
          r5.extend(NonEmptyRecord0)
        else
          @index = i5
          r5 = nil
        end
        if r5
          s4 << r5
        else
          break
        end
      end
      r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
      s0 << r4
      if r4
        i12 = index
        r13 = lambda { |s|
                if @first_record || @record_length >= @first_record_length
                  if @warning
                    warnings << @warning
                  end
                  true
                else
                  if allow_uneven_records?
                    warnings << [:missing_fields, input.line_of(index), input.column_of(index)]
                    true
                  else
                    @failure_type = :missing_fields
                    false
                  end
                end
              }.call(s0)
        if r13
          @index = i12
          r12 = instantiate_node(SyntaxNode,input, index...index)
        else
          r12 = nil
        end
        s0 << r12
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(NonEmptyRecord1)
    r0.extend(NonEmptyRecord2)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:non_empty_record][start_index] = r0

  r0
end

#_nt_non_empty_records ⇒ Object 



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# File 'lib/csv_parser/csv_parser.rb', line 65

def _nt_non_empty_records
  start_index = index
  if node_cache[:non_empty_records].has_key?(index)
    cached = node_cache[:non_empty_records][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_first_record
  s0 << r1
  if r1
    r2 = _nt_other_records
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(NonEmptyRecords0)
    r0.extend(NonEmptyRecords1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:non_empty_records][start_index] = r0

  r0
end

#_nt_other_records ⇒ Object 



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# File 'lib/csv_parser/csv_parser.rb', line 273

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

  i0, s0 = index, []
  if has_terminal?('', false, index)
    r1 = instantiate_node(SyntaxNode,input, index...(index + 0))
    @index += 0
  else
    terminal_parse_failure('')
    r1 = nil
  end
  s0 << r1
  if r1
    i2 = index
    r3 = lambda { |s| @first_record = false; true }.call(s0)
    if r3
      @index = i2
      r2 = instantiate_node(SyntaxNode,input, index...index)
    else
      r2 = nil
    end
    s0 << r2
    if r2
      i4 = index
      i5, s5 = index, []
      i6 = index
      r7 = lambda { |s| skip_empty_record? }.call(s5)
      if r7
        @index = i6
        r6 = instantiate_node(SyntaxNode,input, index...index)
      else
        r6 = nil
      end
      s5 << r6
      if r6
        s8, i8 = [], index
        loop do
          i9, s9 = index, []
          r10 = _nt_record_sep
          s9 << r10
          if r10
            s11, i11 = [], index
            loop do
              i12, s12 = index, []
              r13 = _nt_empty_record
              s12 << r13
              if r13
                r14 = _nt_record_sep
                s12 << r14
              end
              if s12.last
                r12 = instantiate_node(SyntaxNode,input, i12...index, s12)
                r12.extend(OtherRecords0)
              else
                @index = i12
                r12 = nil
              end
              if r12
                s11 << r12
              else
                break
              end
            end
            r11 = instantiate_node(SyntaxNode,input, i11...index, s11)
            s9 << r11
            if r11
              r15 = _nt_non_empty_record
              s9 << r15
            end
          end
          if s9.last
            r9 = instantiate_node(SyntaxNode,input, i9...index, s9)
            r9.extend(OtherRecords1)
          else
            @index = i9
            r9 = nil
          end
          if r9
            s8 << r9
          else
            break
          end
        end
        r8 = instantiate_node(SyntaxNode,input, i8...index, s8)
        s5 << r8
        if r8
          i17, s17 = index, []
          i18 = index
          r19 = lambda { |s| skip_empty_record? }.call(s17)
          if r19
            @index = i18
            r18 = instantiate_node(SyntaxNode,input, index...index)
          else
            r18 = nil
          end
          s17 << r18
          if r18
            s20, i20 = [], index
            loop do
              i21, s21 = index, []
              r22 = _nt_record_sep
              s21 << r22
              if r22
                r23 = _nt_empty_record
                s21 << r23
              end
              if s21.last
                r21 = instantiate_node(SyntaxNode,input, i21...index, s21)
                r21.extend(OtherRecords2)
              else
                @index = i21
                r21 = nil
              end
              if r21
                s20 << r21
              else
                break
              end
            end
            if s20.empty?
              @index = i20
              r20 = nil
            else
              r20 = instantiate_node(SyntaxNode,input, i20...index, s20)
            end
            s17 << r20
          end
          if s17.last
            r17 = instantiate_node(SyntaxNode,input, i17...index, s17)
            r17.extend(OtherRecords3)
          else
            @index = i17
            r17 = nil
          end
          if r17
            r16 = r17
          else
            r16 = instantiate_node(SyntaxNode,input, index...index)
          end
          s5 << r16
        end
      end
      if s5.last
        r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
        r5.extend(OtherRecords4)
        r5.extend(OtherRecords5)
      else
        @index = i5
        r5 = nil
      end
      if r5
        r4 = r5
      else
        i24, s24 = index, []
        i25 = index
        r26 = lambda { |s| !skip_empty_record? }.call(s24)
        if r26
          @index = i25
          r25 = instantiate_node(SyntaxNode,input, index...index)
        else
          r25 = nil
        end
        s24 << r25
        if r25
          s27, i27 = [], index
          loop do
            i28, s28 = index, []
            r29 = _nt_record_sep
            s28 << r29
            if r29
              r30 = _nt_record
              s28 << r30
            end
            if s28.last
              r28 = instantiate_node(SyntaxNode,input, i28...index, s28)
              r28.extend(OtherRecords6)
            else
              @index = i28
              r28 = nil
            end
            if r28
              s27 << r28
            else
              break
            end
          end
          r27 = instantiate_node(SyntaxNode,input, i27...index, s27)
          s24 << r27
        end
        if s24.last
          r24 = instantiate_node(SyntaxNode,input, i24...index, s24)
          r24.extend(OtherRecords7)
          r24.extend(OtherRecords8)
        else
          @index = i24
          r24 = nil
        end
        if r24
          r4 = r24
        else
          @index = i4
          r4 = nil
        end
      end
      s0 << r4
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(OtherRecords9)
    r0.extend(OtherRecords10)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:other_records][start_index] = r0

  r0
end

#_nt_quote ⇒ Object 



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# File 'lib/csv_parser/csv_parser.rb', line 1275

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

  i0, s0 = index, []
  i1 = index
  if has_terminal?("\\", false, index)
    r2 = instantiate_node(SyntaxNode,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure("\\")
    r2 = nil
  end
  if r2
    r1 = nil
  else
    @index = i1
    r1 = instantiate_node(SyntaxNode,input, index...index)
  end
  s0 << r1
  if r1
    if index < input_length
      r3 = instantiate_node(SyntaxNode,input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure("any character")
      r3 = nil
    end
    s0 << r3
    if r3
      i4 = index
      r5 = lambda { |s| s[1].text_value[0] == quote_char[0] }.call(s0)
      if r5
        @index = i4
        r4 = instantiate_node(SyntaxNode,input, index...index)
      else
        r4 = nil
      end
      s0 << r4
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(Quote0)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:quote][start_index] = r0

  r0
end

#_nt_quoted_text ⇒ Object 



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# File 'lib/csv_parser/csv_parser.rb', line 807

def _nt_quoted_text
  start_index = index
  if node_cache[:quoted_text].has_key?(index)
    cached = node_cache[:quoted_text][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_quote
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      i3, s3 = index, []
      i4 = index
      r5 = _nt_quote
      if r5
        r4 = nil
      else
        @index = i4
        r4 = instantiate_node(SyntaxNode,input, index...index)
      end
      s3 << r4
      if r4
        if index < input_length
          r6 = instantiate_node(SyntaxNode,input, index...(index + 1))
          @index += 1
        else
          terminal_parse_failure("any character")
          r6 = nil
        end
        s3 << r6
      end
      if s3.last
        r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
        r3.extend(QuotedText0)
      else
        @index = i3
        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
      i7 = index
      r8 = _nt_quote
      if r8
        r7 = r8
      else
        i9, s9 = index, []
        if has_terminal?('', false, index)
          r10 = instantiate_node(SyntaxNode,input, index...(index + 0))
          @index += 0
        else
          terminal_parse_failure('')
          r10 = nil
        end
        s9 << r10
        if r10
          i11 = index
          r12 = lambda { |s| @failure_type = :missing_quote; @failure_index = start_index; true }.call(s9)
          if r12
            r11 = nil
          else
            @index = i11
            r11 = instantiate_node(SyntaxNode,input, index...index)
          end
          s9 << r11
        end
        if s9.last
          r9 = instantiate_node(SyntaxNode,input, i9...index, s9)
          r9.extend(QuotedText1)
        else
          @index = i9
          r9 = nil
        end
        if r9
          r7 = r9
        else
          @index = i7
          r7 = nil
        end
      end
      s0 << r7
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(QuotedText2)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:quoted_text][start_index] = r0

  r0
end

#_nt_record ⇒ Object 



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# File 'lib/csv_parser/csv_parser.rb', line 502

def _nt_record
  start_index = index
  if node_cache[:record].has_key?(index)
    cached = node_cache[:record][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_non_empty_record
  if r1
    r0 = r1
  else
    r2 = _nt_empty_record
    if r2
      r0 = r2
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:record][start_index] = r0

  r0
end

#_nt_record_sep ⇒ Object 



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# File 'lib/csv_parser/csv_parser.rb', line 1175

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

  i0, s0 = index, []
  i1 = index
  r2 = lambda { |s| @record_sep_index = 0; true }.call(s0)
  if r2
    @index = i1
    r1 = instantiate_node(SyntaxNode,input, index...index)
  else
    r1 = nil
  end
  s0 << r1
  if r1
    s3, i3 = [], index
    loop do
      i4, s4 = index, []
      if index < input_length
        r5 = instantiate_node(SyntaxNode,input, index...(index + 1))
        @index += 1
      else
        terminal_parse_failure("any character")
        r5 = nil
      end
      s4 << r5
      if r5
        i6 = index
        r7 = lambda { |s|
                  if @record_sep_index < record_sep.length &&
                     s[0].text_value == record_sep[@record_sep_index]
                    @record_sep_index += 1
                    true
                  else
                    false
                  end
                }.call(s4)
        if r7
          @index = i6
          r6 = instantiate_node(SyntaxNode,input, index...index)
        else
          r6 = nil
        end
        s4 << r6
      end
      if s4.last
        r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
        r4.extend(RecordSep0)
      else
        @index = i4
        r4 = nil
      end
      if r4
        s3 << r4
      else
        break
      end
    end
    if s3.empty?
      @index = i3
      r3 = nil
    else
      r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
    end
    s0 << r3
    if r3
      i8 = index
      r9 = lambda { |s| s.map(&:text_value).join == record_sep }.call(s0)
      if r9
        @index = i8
        r8 = instantiate_node(SyntaxNode,input, index...index)
      else
        r8 = nil
      end
      s0 << r8
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(RecordSep1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:record_sep][start_index] = r0

  r0
end

#_nt_records ⇒ Object 



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# File 'lib/csv_parser/csv_parser.rb', line 14

def _nt_records
  start_index = index
  if node_cache[:records].has_key?(index)
    cached = node_cache[:records][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_non_empty_records
  if r1
    r0 = r1
  else
    r2 = _nt_empty_records
    if r2
      r0 = r2
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:records][start_index] = r0

  r0
end

#_nt_unquoted_text ⇒ Object 



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# File 'lib/csv_parser/csv_parser.rb', line 926

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

  s0, i0 = [], index
  loop do
    i1, s1 = index, []
    i2 = index
    r3 = _nt_field_sep
    if r3
      r2 = nil
    else
      @index = i2
      r2 = instantiate_node(SyntaxNode,input, index...index)
    end
    s1 << r2
    if r2
      i4 = index
      r5 = _nt_record_sep
      if r5
        r4 = nil
      else
        @index = i4
        r4 = instantiate_node(SyntaxNode,input, index...index)
      end
      s1 << r4
      if r4
        i6 = index
        i7 = index
        r8 = _nt_quote
        if r8
          r7 = nil
        else
          @index = i7
          r7 = instantiate_node(SyntaxNode,input, index...index)
        end
        if r7
          r6 = r7
        else
          i9, s9 = index, []
          if has_terminal?('', false, index)
            r10 = instantiate_node(SyntaxNode,input, index...(index + 0))
            @index += 0
          else
            terminal_parse_failure('')
            r10 = nil
          end
          s9 << r10
          if r10
            i11 = index
            r12 = lambda { |s| @failure_type = :stray_quote; true }.call(s9)
            if r12
              r11 = nil
            else
              @index = i11
              r11 = instantiate_node(SyntaxNode,input, index...index)
            end
            s9 << r11
          end
          if s9.last
            r9 = instantiate_node(SyntaxNode,input, i9...index, s9)
            r9.extend(UnquotedText0)
          else
            @index = i9
            r9 = nil
          end
          if r9
            r6 = r9
          else
            @index = i6
            r6 = nil
          end
        end
        s1 << r6
        if r6
          if index < input_length
            r13 = instantiate_node(SyntaxNode,input, index...(index + 1))
            @index += 1
          else
            terminal_parse_failure("any character")
            r13 = nil
          end
          s1 << r13
        end
      end
    end
    if s1.last
      r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
      r1.extend(UnquotedText1)
    else
      @index = i1
      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[:unquoted_text][start_index] = r0

  r0
end

#root ⇒ Object 



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# File 'lib/csv_parser/csv_parser.rb', line 8

def root
  @root ||= :records
end