Module: TelFormatter

Defined in:
lib/tel_formatter.rb,
lib/tel_formatter/version.rb

Constant Summary collapse

AREA_CODES = 
File.read(File.expand_path("../../data/area_codes.txt", __FILE__)).split("\n").reverse
SPECIAL_CODES_10 = 
File.read(File.expand_path("../../data/special_codes_10.txt", __FILE__)).split("\n").reverse
SPECIAL_CODES_11 = 
File.read(File.expand_path("../../data/special_codes_11.txt", __FILE__)).split("\n").reverse
CELLPHONE_CODES = 
File.read(File.expand_path("../../data/cellphone_codes.txt", __FILE__)).split("\n").reverse
AREA_CODE_REGEXP = 
/\A(#{AREA_CODES.join("|")})(\d{1,4})(\d{4})\Z/
SPECIAL_CODE_10_REGEXP = 
/\A(#{SPECIAL_CODES_10.join("|")})(\d{6})\Z/
SPECIAL_CODE_11_REGEXP = 
/\A(#{SPECIAL_CODES_11.join("|")})(\d{7})\Z/
CELLPHONE_CODE_10_REGEXP = 
/\A(#{CELLPHONE_CODES.join("|")})(\d{3})(\d{4})\Z/
CELLPHONE_CODE_REGEXP = 
/\A(#{CELLPHONE_CODES.join("|")})([1-9]\d{3})(\d{4})\Z/
VERSION = 
"1.0.0"

Class Method Summary collapse

Class Method Details

.format(tel) ⇒ Object 



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# File 'lib/tel_formatter.rb', line 15

def self.format(tel)
  self.split(tel).join("-")
end

.preprocess(tel) ⇒ Object 



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# File 'lib/tel_formatter.rb', line 45

def self.preprocess(tel)
  NKF.nkf("-m0Z0 -w", tel).split("").select { |c| /\d/ =~ c }.join
end

.split(tel) ⇒ Object 



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# File 'lib/tel_formatter.rb', line 19

def self.split(tel)
  tel = self.preprocess(tel)
  case tel.length
  when 10
    if AREA_CODE_REGEXP =~ tel
      return [$1, $2, $3]
    elsif SPECIAL_CODE_10_REGEXP =~ tel
      return [$1, $2]
    elsif CELLPHONE_CODE_10_REGEXP =~ tel
      return [$1, $2, $3]
    else
      raise ArgumentError, "Invalid telephone number"
    end
  when 11
    if CELLPHONE_CODE_REGEXP =~ tel
      return [$1, $2, $3]
    elsif SPECIAL_CODE_11_REGEXP =~ tel
      return [$1, $2]
    else
      raise ArgumentError, "Invalid telephone number"
    end
  else
    raise ArgumentError, "Invalid telephone number"
  end
end