Method: StripAttributes.strip_string

Defined in:
lib/strip_attributes.rb

.strip_string(value, options = {}) ⇒ Object 



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# File 'lib/strip_attributes.rb', line 53

def self.strip_string(value, options = {})
  return value unless value.is_a?(String)
  # TODO: FUTURE CHANGE: return value if value.frozen?

  allow_empty      = options[:allow_empty]
  collapse_spaces  = options[:collapse_spaces]
  replace_newlines = options[:replace_newlines]
  regex            = options[:regex]

  value = value.dup
  value.gsub!(regex, "") if regex

  if MULTIBYTE_SUPPORTED && Encoding.compatible?(value, MULTIBYTE_SPACE)
    value.gsub!(/\A#{MULTIBYTE_SPACE}+|#{MULTIBYTE_SPACE}+\z/, "")
  else
    value.strip!
  end

  value.gsub!(/[\r\n]+/, " ") if replace_newlines

  if collapse_spaces
    if MULTIBYTE_SUPPORTED && Encoding.compatible?(value, MULTIBYTE_BLANK)
      value.gsub!(/#{MULTIBYTE_BLANK}+/, " ")
    else
      value.squeeze!(" ")
    end
  end

  (value.blank? && !allow_empty) ? nil : value
end