Module: Wavedash

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

Constant Summary collapse

CHARACTER_CODE_MAPPING = 
{
  'eucjp-ms' => {
    "\u{301C}" => "\u{FF5E}", # 'WAVE DASH' => 'FULLWIDTH TILDE'
    "\u{2212}" => "\u{FF0D}", # 'MINUS SIGN' => 'FULLWIDTH HYPHEN-MINUS'
    "\u{2016}" => "\u{2225}", # 'DOUBLE VERTICAL LINE' => 'PARALLEL TO'
    "\u{2014}" => "\u{2015}", # 'EM DASH' => 'HORIZONTAL BAR'
    "\u{00A2}" => "\u{FFE0}", # 'CENT SIGN' => 'FULLWIDTH CENT SIGN'
    "\u{00A3}" => "\u{FFE1}", # 'POUND SIGN' => 'FULLWIDTH POUND SIGN'
    "\u{00AC}" => "\u{FFE2}", # 'NOT SIGN' => 'FULLWIDTH NOT SIGN'
  },
  'euc-jp' => {
    "\u{FF5E}" => "\u{301C}", # 'FULLWIDTH TILDE' => 'WAVE DASH'
    "\u{FF0D}" => "\u{2212}", # 'FULLWIDTH HYPHEN-MINUS' => 'MINUS SIGN'
    "\u{2225}" => "\u{2016}", # 'PARALLEL TO' => 'DOUBLE VERTICAL LINE'
    "\u{FFE0}" => "\u{00A2}", # 'FULLWIDTH CENT SIGN' => 'CENT SIGN'
    "\u{FFE1}" => "\u{00A3}", # 'FULLWIDTH POUND SIGN' => 'POUND SIGN'
    "\u{FFE2}" => "\u{00AC}", # 'FULLWIDTH NOT SIGN' => 'NOT SIGN'
  },
  'cp932' => {
    "\u{301C}" => "\u{FF5E}", # 'WAVE DASH' => 'FULLWIDTH TILDE'
    "\u{2212}" => "\u{FF0D}", # 'MINUS SIGN' => 'FULLWIDTH HYPHEN-MINUS'
    "\u{2016}" => "\u{2225}", # 'DOUBLE VERTICAL LINE' => 'PARALLEL TO'
    "\u{2014}" => "\u{2015}", # 'EM DASH' => 'HORIZONTAL BAR'
    "\u{00A2}" => "\u{FFE0}", # 'CENT SIGN' => 'FULLWIDTH CENT SIGN'
    "\u{00A3}" => "\u{FFE1}", # 'POUND SIGN' => 'FULLWIDTH POUND SIGN'
    "\u{00AC}" => "\u{FFE2}", # 'NOT SIGN' => 'FULLWIDTH NOT SIGN'
  },
  'shift_jis' => {
    "\u{FF5E}" => "\u{301C}", # 'FULLWIDTH TILDE' => 'WAVE DASH'
    "\u{FF0D}" => "\u{2212}", # 'FULLWIDTH HYPHEN-MINUS' => 'MINUS SIGN'
    "\u{2225}" => "\u{2016}", # 'PARALLEL TO' => 'DOUBLE VERTICAL LINE'
    "\u{2013}" => "\u{2014}", # 'EN DASH' => 'EM DASH'
    "\u{FFE0}" => "\u{00A2}", # 'FULLWIDTH CENT SIGN' => 'CENT SIGN'
    "\u{FFE1}" => "\u{00A3}", # 'FULLWIDTH POUND SIGN' => 'POUND SIGN'
    "\u{FFE2}" => "\u{00AC}", # 'FULLWIDTH NOT SIGN' => 'NOT SIGN'
  },
}
VERSION = 
"0.1.2"
@@destination_encoding = 
nil

Class Method Summary collapse

Class Method Details

.destination_encoding=(encoding) ⇒ Object 



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# File 'lib/wavedash.rb', line 44

def self.destination_encoding=(encoding)
  @@destination_encoding = encoding
end

.invalid?(str) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/wavedash.rb', line 54

def self.invalid?(str)
  return false unless str.is_a?(String)
  mapping = CHARACTER_CODE_MAPPING[@@destination_encoding]
  return false unless mapping
  str.each_char.any? { |c| mapping[c] }
end

.normalize(str) ⇒ Object 



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# File 'lib/wavedash.rb', line 48

def self.normalize(str)
  mapping = CHARACTER_CODE_MAPPING[@@destination_encoding]
  return str unless mapping
  str.tr(mapping.keys.join, mapping.values.join)
end