Class: Inspector::Constraints::Email

Inherits:
Object
  • Object
show all
Includes:
Inspector::Constraint
Defined in:
lib/inspector/constraints/email.rb

Constant Summary collapse

PATTERN = 
begin
  if (RUBY_VERSION == '1.9.2' && RUBY_ENGINE == 'jruby' && JRUBY_VERSION <= '1.6.3') || RUBY_VERSION >= '1.9.2'
    # There is an obscure bug in jruby 1.6 that prevents matching
    # on unicode properties here. Remove this logic branch once
    # a stable jruby release fixes this.
    #
    # http://jira.codehaus.org/browse/JRUBY-5622
    #
    # There is a similar bug in preview releases of 1.9.3
    #
    # http://redmine.ruby-lang.org/issues/5126
    letter = 'a-zA-Z'
  else
    letter = 'a-zA-Z\p{L}'  # Changed from RFC2822 to include unicode chars
  end
  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

Methods included from Inspector::Constraint

#negate!, #positive?, #validator

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/inspector/constraints/email.rb', line 52

def inspect
  "#<email>"
end

#to_s ⇒ Object 



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# File 'lib/inspector/constraints/email.rb', line 48

def to_s
  "be_an_email"
end

#valid?(email) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/inspector/constraints/email.rb', line 44

def valid?(email)
  !(PATTERN =~ email).nil?
end