Class: Validation::Rule::Email

Inherits:
Object
  • Object
show all
Defined in:
lib/validation/rule/email.rb

Overview

Email rule class. This rule was adapted from github.com/emmanuel/aequitas/blob/master/lib/aequitas/rule/format/email_address.rb

Constant Summary collapse

EMAIL_ADDRESS = 
begin
  letter         = 'a-zA-Z'
  digit          = '0-9'
  atext          = "[#{letter}#{digit}\!\#\$\%\&\'\*+\/\=\?\^\_\`\{\|\}\~\-]"
  dot_atom_text  = "#{atext}+([.]#{atext}*)+"
  dot_atom       = dot_atom_text
  no_ws_ctl      = '\x01-\x08\x11\x12\x14-\x1f\x7f'
  qtext          = "[^#{no_ws_ctl}\\x0d\\x22\\x5c]"  # Non-whitespace, non-control character except for \ and "
  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})"
  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        = /\A#{addr_spec}\z/u
end

Instance Method Summary collapse

Instance Method Details

#error_key ⇒ Object

The error key for this rule



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# File 'lib/validation/rule/email.rb', line 37

def error_key
  :email
end

#params ⇒ Object

This rule has no params



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# File 'lib/validation/rule/email.rb', line 42

def params
  {}
end

#valid_value?(value) ⇒ Boolean

Determines if value is a valid email

Returns:

  • (Boolean) 


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# File 'lib/validation/rule/email.rb', line 32

def valid_value?(value)
  !!EMAIL_ADDRESS.match(value)
end