Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/treetop/ruby_extensions/string.rb

Instance Method Summary collapse

Instance Method Details

#blank?Boolean


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# File 'lib/treetop/ruby_extensions/string.rb', line 17

def blank?
  self == ""
end

#column_of(index) ⇒ Object


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# File 'lib/treetop/ruby_extensions/string.rb', line 2

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

#indent(n) ⇒ Object


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# File 'lib/treetop/ruby_extensions/string.rb', line 31

def indent(n)
  if n >= 0
    gsub(/^/, ' ' * n)
  else
    gsub(/^ {0,#{-n}}/, "")
  end
end

#line_of(index) ⇒ Object


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# File 'lib/treetop/ruby_extensions/string.rb', line 12

def line_of(index)
  self[0...index].count("\n") + 1
end

#tabto(n) ⇒ Object

The following methods are lifted from Facets 2.0.2


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# File 'lib/treetop/ruby_extensions/string.rb', line 23

def tabto(n)
  if self =~ /^( *)\S/
    indent(n - $1.length)
  else
    self
  end
end

#treetop_camelizeObject


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# File 'lib/treetop/ruby_extensions/string.rb', line 39

def treetop_camelize
  to_s.gsub(/\/(.?)/){ "::" + $1.upcase }.gsub(/(^|_)(.)/){ $2.upcase }
end