Module: ZhongwenTools::Fullwidth

Defined in:
lib/zhongwen_tools/fullwidth.rb

Constant Summary collapse

FW_HW = 
{
  '０' => '0',
  '１' => '1',
  '２' => '2',
  '３' => '3',
  '４' => '4',
  '５' => '5',
  '６' => '6',
  '７' => '7',
  '８' => '8',
  '９' => '9',
  'Ａ' => 'A',
  'Ｂ' => 'B',
  'Ｃ' => 'C',
  'Ｄ' => 'D',
  'Ｅ' => 'E',
  'Ｆ' => 'F',
  'Ｇ' => 'G',
  'Ｈ' => 'H',
  'Ｉ' => 'I',
  'Ｊ' => 'J',
  'Ｋ' => 'K',
  'Ｌ' => 'L',
  'Ｍ' => 'M',
  'Ｎ' => 'N',
  'Ｏ' => 'O',
  'Ｐ' => 'P',
  'Ｑ' => 'Q',
  'Ｒ' => 'R',
  'Ｓ' => 'S',
  'Ｔ' => 'T',
  'Ｕ' => 'U',
  'Ｖ' => 'V',
  'Ｗ' => 'W',
  'Ｘ' => 'X',
  'Ｙ' => 'Y',
  'Ｚ' => 'Z',
  'ａ' => 'a',
  'ｂ' => 'b',
  'ｃ' => 'c',
  'ｄ' => 'd',
  'ｅ' => 'e',
  'ｆ' => 'f',
  'ｇ' => 'g',
  'ｈ' => 'h',
  'ｉ' => 'i',
  'ｊ' => 'j',
  'ｋ' => 'k',
  'ｌ' => 'l',
  'ｍ' => 'm',
  'ｎ' => 'n',
  'ｏ' => 'o',
  'ｐ' => 'p',
  'ｑ' => 'q',
  'ｒ' => 'r',
  'ｓ' => 's',
  'ｔ' => 't',
  'ｕ' => 'u',
  'ｖ' => 'v',
  'ｗ' => 'w',
  'ｘ' => 'x',
  'ｙ' => 'y',
  'ｚ' => 'z',
  '％' => '%',
  '．' => '.',
  '：' => ':',
  '＃' => '#',
  '＄' => '$',
  '＆' => '&',
  '＋' => '+',
  '－' => '-',
  '／' => '/',
  '＼' => '\\',
  '＝' => '=',
  '；' => ';',
  '＜' => '<',
  '＞' => '>',
  '？' => '?',
  '。' => '.',
  '！' => '!',
  '，' => ','
}

Class Method Summary collapse

Class Method Details

.fullwidth?(str) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/zhongwen_tools/fullwidth.rb', line 11

def self.fullwidth?(str)
  !halfwidth?(str) && to_halfwidth(str) != str
end

.halfwidth?(str) ⇒ Boolean

TODO: type checking.

Returns:

  • (Boolean) 


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# File 'lib/zhongwen_tools/fullwidth.rb', line 7

def self.halfwidth?(str)
  str[ZhongwenTools::Regex.fullwidth].nil?
end

.to_halfwidth(str) ⇒ Object 



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# File 'lib/zhongwen_tools/fullwidth.rb', line 15

def self.to_halfwidth(str)
  str.gsub(/(#{ZhongwenTools::Regex.fullwidth})/, ZhongwenTools::Fullwidth::FW_HW)
end