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Module: Kconv

Relationships & Source Files
Defined in: ext/nkf/lib/kconv.rb

Overview

Kanji Converter for Ruby.

Constant Summary

Class Method Summary

Class Method Details

.guess(str) ⇒ Encoding (mod_func)

Guess input encoding by NKF.guess

[ GitHub ] 

  


# File 'ext/nkf/lib/kconv.rb', line 141



def guess(str)
  ::NKF::guess(str)
end


  








  

    .iseuc(str)  ⇒ Boolean  (mod_func)  



  

    

Returns whether input encoding is EUC-JP or not.



Note don’t expect this return value is MatchData.


  



  [ GitHub ]


  

  


# File 'ext/nkf/lib/kconv.rb', line 156



def iseuc(str)
  str.dup.force_encoding(EUC).valid_encoding?
end


  








  

    .isjis(str)  ⇒ Boolean  (mod_func)  



  

    

Returns whether input encoding is ISO-2022-JP or not.


  



  [ GitHub ]


  

  


# File 'ext/nkf/lib/kconv.rb', line 174



def isjis(str)
  /\A [\t\n\r\x20-\x7E]*
    (?:
      (?:\x1b \x28 I      [\x21-\x7E]*
        |\x1b \x28 J      [\x21-\x7E]*
        |\x1b \x24 @      (?:[\x21-\x7E]{2})*
        |\x1b \x24 B      (?:[\x21-\x7E]{2})*
        |\x1b \x24 \x28 D (?:[\x21-\x7E]{2})*
      )*
      \x1b \x28 B [\t\n\r\x20-\x7E]*
    )*
   \z/nox =~ str.dup.force_encoding('BINARY') ? true : false
end


  








  

    .issjis(str)  ⇒ Boolean  (mod_func)  



  

    

Returns whether input encoding is Shift_JIS or not.


  



  [ GitHub ]


  

  


# File 'ext/nkf/lib/kconv.rb', line 165



def issjis(str)
  str.dup.force_encoding(SJIS).valid_encoding?
end


  








  

    .isutf8(str)  ⇒ Boolean  (mod_func)  



  

    

Returns whether input encoding is UTF-8 or not.


  



  [ GitHub ]


  

  


# File 'ext/nkf/lib/kconv.rb', line 193



def isutf8(str)
  str.dup.force_encoding(UTF8).valid_encoding?
end


  








  

    .kconv(str, to_enc, from_enc = nil)   (mod_func)  



  

    

Convert str to to_enc. to_enc and from_enc are given as constants of Kconv or Encoding objects.


  



  [ GitHub ]


  

  


# File 'ext/nkf/lib/kconv.rb', line 57



def kconv(str, to_enc, from_enc=nil)
  opt = ''
  opt += ' --ic=' + from_enc.to_s if from_enc
  opt += ' --oc=' + to_enc.to_s if to_enc

  ::NKF::nkf(opt, str)
end


  








  

    .toeuc(str)  ⇒ String  (mod_func)  



  

    

Convert str to EUC-JP


  



  [ GitHub ]


  

  


# File 'ext/nkf/lib/kconv.rb', line 83



def toeuc(str)
  kconv(str, EUC)
end


  








  

    .tojis(str)  ⇒ String  (mod_func)  



  

    

Convert str to ISO-2022-JP


  



  [ GitHub ]


  

  


# File 'ext/nkf/lib/kconv.rb', line 74



def tojis(str)
  kconv(str, JIS)
end


  








  

    .tolocale  ⇒ String  (mod_func)  



  

    

Convert self to locale encoding


  



  [ GitHub ]


  

  


# File 'ext/nkf/lib/kconv.rb', line 128



def tolocale(str)
  kconv(str, Encoding.locale_charmap)
end


  








  

    .tosjis(str)  ⇒ String  (mod_func)  



  

    

Convert str to Shift_JIS


  



  [ GitHub ]


  

  


# File 'ext/nkf/lib/kconv.rb', line 92



def tosjis(str)
  kconv(str, SJIS)
end


  








  

    .toutf16(str)  ⇒ String  (mod_func)  



  

    

Convert str to UTF-16


  



  [ GitHub ]


  

  


# File 'ext/nkf/lib/kconv.rb', line 110



def toutf16(str)
  kconv(str, UTF16)
end


  








  

    .toutf32(str)  ⇒ String  (mod_func)  



  

    

Convert str to UTF-32


  



  [ GitHub ]


  

  


# File 'ext/nkf/lib/kconv.rb', line 119



def toutf32(str)
  kconv(str, UTF32)
end


  








  

    .toutf8(str)  ⇒ String  (mod_func)  



  

    

Convert str to UTF-8


  



  [ GitHub ]


  

  


# File 'ext/nkf/lib/kconv.rb', line 101



def toutf8(str)
  kconv(str, UTF8)
end