Class: Diffed::UnifiedDiffParser::LineParser

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

Instance Method Summary collapse

Constructor Details

#initialize(line_text) ⇒ LineParser

Returns a new instance of LineParser.



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# File 'lib/parsers/unified.rb', line 60

def initialize(line_text)
  @line_text = line_text
  
  if line_text.start_with? "-"
    @type = :left
  elsif line_text.start_with? "+"
    @type = :right      
  elsif line_text.start_with? " "
    @type = :both               
  else
    raise "Unparseable line: #{line}"
  end
end

Instance Method Details

#increment(left_counter, right_counter) ⇒ Object 



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# File 'lib/parsers/unified.rb', line 74

def increment(left_counter, right_counter)
  case @type
  when :left
    [left_counter + 1, right_counter]
  when :right
    [left_counter, right_counter + 1]
  when :both
    [left_counter + 1, right_counter + 1]
  end
end

#line(left_counter, right_counter) ⇒ Object 



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# File 'lib/parsers/unified.rb', line 85

def line(left_counter, right_counter)
  Line.new(@type, @line_text, left_line_num(left_counter), right_line_num(right_counter))
end