diff options
Diffstat (limited to 'ruby_1_8_6/lib/jcode.rb')
| -rw-r--r-- | ruby_1_8_6/lib/jcode.rb | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/ruby_1_8_6/lib/jcode.rb b/ruby_1_8_6/lib/jcode.rb deleted file mode 100644 index 78422f296f..0000000000 --- a/ruby_1_8_6/lib/jcode.rb +++ /dev/null @@ -1,220 +0,0 @@ -# jcode.rb - ruby code to handle japanese (EUC/SJIS) string - -if $VERBOSE && $KCODE == "NONE" - warn "Warning: $KCODE is NONE." -end - -$vsave, $VERBOSE = $VERBOSE, false -class String - warn "feel free for some warnings:\n" if $VERBOSE - - def _regex_quote(str) - str.gsub(/(\\[\[\]\-\\])|\\(.)|([\[\]\\])/) do - $1 || $2 || '\\' + $3 - end - end - private :_regex_quote - - PATTERN_SJIS = '[\x81-\x9f\xe0-\xef][\x40-\x7e\x80-\xfc]' - PATTERN_EUC = '[\xa1-\xfe][\xa1-\xfe]' - PATTERN_UTF8 = '[\xc0-\xdf][\x80-\xbf]|[\xe0-\xef][\x80-\xbf][\x80-\xbf]' - - RE_SJIS = Regexp.new(PATTERN_SJIS, 0, 'n') - RE_EUC = Regexp.new(PATTERN_EUC, 0, 'n') - RE_UTF8 = Regexp.new(PATTERN_UTF8, 0, 'n') - - SUCC = {} - SUCC['s'] = Hash.new(1) - for i in 0 .. 0x3f - SUCC['s'][i.chr] = 0x40 - i - end - SUCC['s']["\x7e"] = 0x80 - 0x7e - SUCC['s']["\xfd"] = 0x100 - 0xfd - SUCC['s']["\xfe"] = 0x100 - 0xfe - SUCC['s']["\xff"] = 0x100 - 0xff - SUCC['e'] = Hash.new(1) - for i in 0 .. 0xa0 - SUCC['e'][i.chr] = 0xa1 - i - end - SUCC['e']["\xfe"] = 2 - SUCC['u'] = Hash.new(1) - for i in 0 .. 0x7f - SUCC['u'][i.chr] = 0x80 - i - end - SUCC['u']["\xbf"] = 0x100 - 0xbf - - def mbchar? - case $KCODE[0] - when ?s, ?S - self =~ RE_SJIS - when ?e, ?E - self =~ RE_EUC - when ?u, ?U - self =~ RE_UTF8 - else - nil - end - end - - def end_regexp - case $KCODE[0] - when ?s, ?S - /#{PATTERN_SJIS}$/on - when ?e, ?E - /#{PATTERN_EUC}$/on - when ?u, ?U - /#{PATTERN_UTF8}$/on - else - /.$/on - end - end - - alias original_succ! succ! - private :original_succ! - - alias original_succ succ - private :original_succ - - def succ! - reg = end_regexp - if $KCODE != 'NONE' && self =~ reg - succ_table = SUCC[$KCODE[0,1].downcase] - begin - self[-1] += succ_table[self[-1]] - self[-2] += 1 if self[-1] == 0 - end while self !~ reg - self - else - original_succ! - end - end - - def succ - str = self.dup - str.succ! or str - end - - private - - def _expand_ch str - a = [] - str.scan(/(?:\\(.)|([^\\]))-(?:\\(.)|([^\\]))|(?:\\(.)|(.))/m) do - from = $1 || $2 - to = $3 || $4 - one = $5 || $6 - if one - a.push one - elsif from.length != to.length - next - elsif from.length == 1 - from[0].upto(to[0]) { |c| a.push c.chr } - else - from.upto(to) { |c| a.push c } - end - end - a - end - - def expand_ch_hash from, to - h = {} - afrom = _expand_ch(from) - ato = _expand_ch(to) - afrom.each_with_index do |x,i| h[x] = ato[i] || ato[-1] end - h - end - - HashCache = {} - TrPatternCache = {} - DeletePatternCache = {} - SqueezePatternCache = {} - - public - - def tr!(from, to) - return nil if from == "" - return self.delete!(from) if to == "" - - pattern = TrPatternCache[from] ||= /[#{_regex_quote(from)}]/ - if from[0] == ?^ - last = /.$/.match(to)[0] - self.gsub!(pattern, last) - else - h = HashCache[from + "1-0" + to] ||= expand_ch_hash(from, to) - self.gsub!(pattern) do |c| h[c] end - end - end - - def tr(from, to) - (str = self.dup).tr!(from, to) or str - end - - def delete!(del) - return nil if del == "" - self.gsub!(DeletePatternCache[del] ||= /[#{_regex_quote(del)}]+/, '') - end - - def delete(del) - (str = self.dup).delete!(del) or str - end - - def squeeze!(del=nil) - return nil if del == "" - pattern = - if del - SqueezePatternCache[del] ||= /([#{_regex_quote(del)}])\1+/ - else - /(.|\n)\1+/ - end - self.gsub!(pattern, '\1') - end - - def squeeze(del=nil) - (str = self.dup).squeeze!(del) or str - end - - def tr_s!(from, to) - return self.delete!(from) if to.length == 0 - - pattern = SqueezePatternCache[from] ||= /([#{_regex_quote(from)}])\1*/ - if from[0] == ?^ - last = /.$/.match(to)[0] - self.gsub!(pattern, last) - else - h = HashCache[from + "1-0" + to] ||= expand_ch_hash(from, to) - self.gsub!(pattern) do h[$1] end - end - end - - def tr_s(from, to) - (str = self.dup).tr_s!(from,to) or str - end - - def chop! - self.gsub!(/(?:.|\r?\n)\z/, '') - end - - def chop - (str = self.dup).chop! or str - end - - def jlength - self.gsub(/[^\Wa-zA-Z_\d]/, ' ').length - end - alias jsize jlength - - def jcount(str) - self.delete("^#{str}").jlength - end - - def each_char - if block_given? - scan(/./m) do |x| - yield x - end - else - scan(/./m) - end - end - -end -$VERBOSE = $vsave |