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Diffstat (limited to 'ext/nkf/lib/kconv.rb')
| -rw-r--r-- | ext/nkf/lib/kconv.rb | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/ext/nkf/lib/kconv.rb b/ext/nkf/lib/kconv.rb deleted file mode 100644 index f52b755288..0000000000 --- a/ext/nkf/lib/kconv.rb +++ /dev/null @@ -1,283 +0,0 @@ -# frozen_string_literal: false -# -# kconv.rb - Kanji Converter. -# -# $Id$ -# -# ---- -# -# kconv.rb implements the Kconv class for Kanji Converter. Additionally, -# some methods in String classes are added to allow easy conversion. -# - -require 'nkf' - -# -# Kanji Converter for Ruby. -# -module Kconv - # - # Public Constants - # - - #Constant of Encoding - - # Auto-Detect - AUTO = NKF::AUTO - # ISO-2022-JP - JIS = NKF::JIS - # EUC-JP - EUC = NKF::EUC - # Shift_JIS - SJIS = NKF::SJIS - # BINARY - BINARY = NKF::BINARY - # NOCONV - NOCONV = NKF::NOCONV - # ASCII - ASCII = NKF::ASCII - # UTF-8 - UTF8 = NKF::UTF8 - # UTF-16 - UTF16 = NKF::UTF16 - # UTF-32 - UTF32 = NKF::UTF32 - # UNKNOWN - UNKNOWN = NKF::UNKNOWN - - # - # Public Methods - # - - # call-seq: - # Kconv.kconv(str, to_enc, from_enc=nil) - # - # Convert <code>str</code> to <code>to_enc</code>. - # <code>to_enc</code> and <code>from_enc</code> are given as constants of Kconv or Encoding objects. - 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 - module_function :kconv - - # - # Encode to - # - - # call-seq: - # Kconv.tojis(str) => string - # - # Convert <code>str</code> to ISO-2022-JP - def tojis(str) - kconv(str, JIS) - end - module_function :tojis - - # call-seq: - # Kconv.toeuc(str) => string - # - # Convert <code>str</code> to EUC-JP - def toeuc(str) - kconv(str, EUC) - end - module_function :toeuc - - # call-seq: - # Kconv.tosjis(str) => string - # - # Convert <code>str</code> to Shift_JIS - def tosjis(str) - kconv(str, SJIS) - end - module_function :tosjis - - # call-seq: - # Kconv.toutf8(str) => string - # - # Convert <code>str</code> to UTF-8 - def toutf8(str) - kconv(str, UTF8) - end - module_function :toutf8 - - # call-seq: - # Kconv.toutf16(str) => string - # - # Convert <code>str</code> to UTF-16 - def toutf16(str) - kconv(str, UTF16) - end - module_function :toutf16 - - # call-seq: - # Kconv.toutf32(str) => string - # - # Convert <code>str</code> to UTF-32 - def toutf32(str) - kconv(str, UTF32) - end - module_function :toutf32 - - # call-seq: - # Kconv.tolocale => string - # - # Convert <code>self</code> to locale encoding - def tolocale(str) - kconv(str, Encoding.locale_charmap) - end - module_function :tolocale - - # - # guess - # - - # call-seq: - # Kconv.guess(str) => encoding - # - # Guess input encoding by NKF.guess - def guess(str) - ::NKF::guess(str) - end - module_function :guess - - # - # isEncoding - # - - # call-seq: - # Kconv.iseuc(str) => true or false - # - # Returns whether input encoding is EUC-JP or not. - # - # *Note* don't expect this return value is MatchData. - def iseuc(str) - str.dup.force_encoding(EUC).valid_encoding? - end - module_function :iseuc - - # call-seq: - # Kconv.issjis(str) => true or false - # - # Returns whether input encoding is Shift_JIS or not. - def issjis(str) - str.dup.force_encoding(SJIS).valid_encoding? - end - module_function :issjis - - # call-seq: - # Kconv.isjis(str) => true or false - # - # Returns whether input encoding is ISO-2022-JP or not. - 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 - module_function :isjis - - # call-seq: - # Kconv.isutf8(str) => true or false - # - # Returns whether input encoding is UTF-8 or not. - def isutf8(str) - str.dup.force_encoding(UTF8).valid_encoding? - end - module_function :isutf8 -end - -class String - # call-seq: - # String#kconv(to_enc, from_enc) - # - # Convert <code>self</code> to <code>to_enc</code>. - # <code>to_enc</code> and <code>from_enc</code> are given as constants of Kconv or Encoding objects. - def kconv(to_enc, from_enc=nil) - from_enc = self.encoding if !from_enc && self.encoding != Encoding.list[0] - Kconv::kconv(self, to_enc, from_enc) - end - - # - # to Encoding - # - - # call-seq: - # String#tojis => string - # - # Convert <code>self</code> to ISO-2022-JP - def tojis; Kconv.tojis(self) end - - # call-seq: - # String#toeuc => string - # - # Convert <code>self</code> to EUC-JP - def toeuc; Kconv.toeuc(self) end - - # call-seq: - # String#tosjis => string - # - # Convert <code>self</code> to Shift_JIS - def tosjis; Kconv.tosjis(self) end - - # call-seq: - # String#toutf8 => string - # - # Convert <code>self</code> to UTF-8 - def toutf8; Kconv.toutf8(self) end - - # call-seq: - # String#toutf16 => string - # - # Convert <code>self</code> to UTF-16 - def toutf16; Kconv.toutf16(self) end - - # call-seq: - # String#toutf32 => string - # - # Convert <code>self</code> to UTF-32 - def toutf32; Kconv.toutf32(self) end - - # call-seq: - # String#tolocale => string - # - # Convert <code>self</code> to locale encoding - def tolocale; Kconv.tolocale(self) end - - # - # is Encoding - # - - # call-seq: - # String#iseuc => true or false - # - # Returns whether <code>self</code>'s encoding is EUC-JP or not. - def iseuc; Kconv.iseuc(self) end - - # call-seq: - # String#issjis => true or false - # - # Returns whether <code>self</code>'s encoding is Shift_JIS or not. - def issjis; Kconv.issjis(self) end - - # call-seq: - # String#isjis => true or false - # - # Returns whether <code>self</code>'s encoding is ISO-2022-JP or not. - def isjis; Kconv.isjis(self) end - - # call-seq: - # String#isutf8 => true or false - # - # Returns whether <code>self</code>'s encoding is UTF-8 or not. - def isutf8; Kconv.isutf8(self) end -end |