Contents

class String
  def column_of(index)
    return 1 if index == 0
    newline_index = rindex("\n", index - 1)
    if newline_index
      index - newline_index
    else
      index + 1
    end
  end
  
  def line_of(index)
    self[0...index].count("\n") + 1
  end
  
  def blank?
    self == ""
  end
end

Version data entries

10 entries across 10 versions & 1 rubygems

Version	Path
treetop-1.1.2	lib/treetop/ruby_extensions/string.rb
treetop-1.0.0	lib/treetop/ruby_extensions/string.rb
treetop-1.0.1	lib/treetop/ruby_extensions/string.rb
treetop-1.0.2	lib/treetop/ruby_extensions/string.rb
treetop-1.1.0	lib/treetop/ruby_extensions/string.rb
treetop-1.1.1	lib/treetop/ruby_extensions/string.rb
treetop-1.2.2	lib/treetop/ruby_extensions/string.rb
treetop-1.1.4	lib/treetop/ruby_extensions/string.rb
treetop-1.2.1	lib/treetop/ruby_extensions/string.rb
treetop-1.2.0	lib/treetop/ruby_extensions/string.rb