Module: Validatable::Helpers::Formats::Email

Included in:
ValidatesFormatOf
Defined in:
lib/data_mapper/validatable_extensions/validations/formats/email.rb

Overview

Allows you to validate fields as email addresses

validates_format_of :email_field, :with => :email_address

Constant Summary collapse

EmailAddress =
begin
  alpha = "a-zA-Z"
  digit = "0-9"
  atext = "[#{alpha}#{digit}\!\#\$\%\&\'\*+\/\=\?\^\_\`\{\|\}\~\-]"
  dot_atom_text = "#{atext}+([.]#{atext}*)*"
  dot_atom = "#{dot_atom_text}"
  qtext = '[^\\x0d\\x22\\x5c\\x80-\\xff]'
  text = "[\\x01-\\x09\\x11\\x12\\x14-\\x7f]"
  quoted_pair = "(\\x5c#{text})"
  qcontent = "(?:#{qtext}|#{quoted_pair})"
  quoted_string = "[\"]#{qcontent}+[\"]"
  atom = "#{atext}+"
  word = "(?:#{atom}|#{quoted_string})"
  obs_local_part = "#{word}([.]#{word})*"
  local_part = "(?:#{dot_atom}|#{quoted_string}|#{obs_local_part})"
  no_ws_ctl = "\\x01-\\x08\\x11\\x12\\x14-\\x1f\\x7f"    
  dtext = "[#{no_ws_ctl}\\x21-\\x5a\\x5e-\\x7e]"
  dcontent = "(?:#{dtext}|#{quoted_pair})"
  domain_literal = "\\[#{dcontent}+\\]"
  obs_domain = "#{atom}([.]#{atom})*"
  domain = "(?:#{dot_atom}|#{domain_literal}|#{obs_domain})"
  addr_spec = "#{local_part}\@#{domain}"
  pattern = /^#{addr_spec}$/
end

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object



10
11
12
13
# File 'lib/data_mapper/validatable_extensions/validations/formats/email.rb', line 10

def self.included(base)
  base::FORMATS.merge!( :email_address => [ EmailAddress, 
                        lambda { |attribute| lambda { "%s is not a valid email address".t(self.send(attribute)) } }] )
end