Class: RowX

Inherits:
Object
  • Object
show all
Defined in:
lib/rowx.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(txt, level: nil, ignore_blank_lines: false, abort_1_row: false, debug: false, name: 'item', allow_lonely_keyfield: false) ⇒ RowX

Returns a new instance of RowX.



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# File 'lib/rowx.rb', line 38

def initialize(txt, level: nil, ignore_blank_lines: false,
               abort_1_row: false, debug: false, name: 'item',
               allow_lonely_keyfield: false)

  @name, @debug = name, debug

  # auto indent any multiline values

  indent = ''

  lines = txt.gsub(/^-+$/m,'').lines.map do |line|

    if not line[/^ *\w+:|^ +/] then
      indent + '  ' + line
    else
      indent = line[/^ +/] || ''
      line
    end

  end

  puts 'lines: ' + lines.inspect if @debug

  a = LineTree.new(lines.join, level: level,
                   ignore_blank_lines: ignore_blank_lines, debug: debug).to_a
  puts ('a: ' + a.inspect).debug if @debug

  keyfield = a[0][0][/\w+:/]; i = 0
  puts ('keyfield: ' + keyfield.inspect).debug if @debug

  if not allow_lonely_keyfield then

    # find the keyfield. if there's only 1 keyfield in all of the rows it's
    # not a keyfield. Keep searching until all rows have been searched
    while a.select {|x| x[0][/^#{keyfield}/]}.length <= 1 and \
                                                      i < a.length and a[i+1]

      i += 1
      keyfield = a[i][0][/\w+/]

    end

  end

  keyfield = a[0][0][/\w+/] if i == a.length - 1

  if a.flatten(1).grep(/^#{keyfield}/).length == 1 then # only 1 record
    i = 0
    raise RowXException, 'Expected more than 1 row' if abort_1_row
  end

  records = a[i..-1].collate { |x| x.first =~ /^#{keyfield  }/ }

  summary = scan_a a.slice!(0,i)
  summary[0] = 'summary'

  @rexle_a = scan_records(records, level)
  @to_a = ['root', {}] + [summary] + @rexle_a
  @to_xml = Rexle.new(@to_a).xml pretty: true

end

Instance Attribute Details

#to_a ⇒ Object (readonly)

Returns the value of attribute to_a.



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# File 'lib/rowx.rb', line 36

def to_a
  @to_a
end

#to_lines(delimiter: ' # ') ⇒ Object (readonly)

Returns the value of attribute to_lines.



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# File 'lib/rowx.rb', line 36

def to_lines
  @to_lines
end

#to_xml ⇒ Object (readonly)

Returns the value of attribute to_xml.



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# File 'lib/rowx.rb', line 36

def to_xml
  @to_xml
end