From: Tanaka Akira <akr@...17n.org>
Date: 2002-04-17T19:25:18+09:00
Subject: [ruby-dev:16943] Iconv

In article <200204170839.g3H8dvM16391@sharui.nakada.kanuma.tochigi.jp>,
  nobu.nakada@nifty.ne.jp writes:

> Iconv.iconv$B$GJ#?t$N(BString$B$rEO$5$l$?$H$-$K!"%(%i!<$K$J$C$?(BString
> $B0J9_$,$=$N$^$^<}$a$i$l$k$h$&$K$J$C$F$^$9!#$G!":G=i(Bfailed$B$O$d$a(B
> $B$A$c$*$&$+$H;W$C$?$s$G$9$,!D!#(B

$BM}2r$7$^$7$?!#!V0J9_!W$H$$$&$H$3$m$,$o$+$C$F$$$^$;$s$G$7$?!#$U$`!#(B

$B$($'$H!"M}2r$7$?Bh0l0u>]$OI,MW0J>e$KJ#;($J$N$G$O$J$$$+$H$$$&$b$N$G$9!#(B
Iconv.iconv $B$H$$$&0lHVJ#;($J$H$3$m$NET9g$GDL>o$NMQES$,LLE]$K$J$C$F$7$^(B
$B$&$N$O5$$KF~$j$^$;$s!#(BCGI#[] $B$,(B Array $B$rJV$9$N$K;w$?Fw$$$,$9$k$H$$$$$^(B
$B$9$+!#$=$b$=$b(B Iconv.iconv $B$O$$$A$$$A%$%s%9%?%s%9$r@8@.$;$:$K:Q$`4J0W(B
$BE*$J;HMQK!$H$7$F0LCVIU$1$i$l$F$$$k(B($B$H;W$&(B)$B$N$K!"$=$l$,LLE]=-$5$N860x$K(B
$B$J$C$F$$$k$H$3$m$,0z$C$+$+$j$^$9!#(B

$B$7$+$b!"(B($B$A$c$s$H%=!<%9$rFI$s$G$$$k$o$1$G$O$J$$$N$G?dB,$K$J$j$^$9$,(B)
E2BIG $B$J;~$K$O<+F0E*$K(B iconv(3) $B$,7+$jJV$78F$V$3$H$K$h$C$F=PNO%P%C%U%!(B
$B$rCj>]2=$7$F$$$k$3$H$r9M$($k$H!"EO$7$?J8;zNs$N$=$l$>$l$H(B iconv(3) $B$N8F(B
$B$S=P$7$,0lBP0l$GBP1~$9$k$o$1$G$b$J$/!"2?$,5/$-$?$N$+$r40A4$KGD0.$G$-$k(B
$B$o$1$G$b$J$5$=$&$G$9!#$^$!!"$3$l$O(B Iconv.iconv $B$@$1$G$O$J$/$F(B
Iconv#iconv $B$G$b$=$&$J$N$G$7$g$&$,!#(B

$B;W$&$K!"$`$7$m(B Iconv.iconv $B$rC1=c2=$9$k$+!"<N$F$k$+$7$?J}$,$$$$$N$G$O(B
$B$J$$$+$H$$$&5$$,$7$^$9!#$?$H$($P!"(BIconv.iconv $B$OGQ;_$7$F!"(B

def Iconv.conv(to, from, str, dont_shift_to_init_at_last=false)
  Iconv.open(to, from) {|cd|
    result = ''
    result = cd.iconv(str)
    result << cd.iconv(nil) unless dont_shift_to_init_at_last
    result 
  }
end

$B$H$$$&$h$&$J$N$r?7@_$9$k$H$+!#(B

$B$I$&$;!"J8;zNs$R$H$D$r$H$b$+$/Fq$7$$$3$H$O9M$($:$KJQ49$7$?$$$H$$$&>l9g(B
$B$,0lHVB?$$$G$7$g$&$+$i!"$=$NJ8;zNs$rC1=c$KEO$;$PJQ49$7$F(B terminate $B$b(B
$B$7$F$/$l$?J8;zNs$,JV$C$F$/$k!"$H$$$&%$%s%?!<%U%'!<%9$N$,$*5$7Z$G$$$$$N(B
$B$G$O$J$$$+$H;W$$$^$9!#(B

$B8_49@-$r9M$($J$$$J$i$$$-$J$j$3$l$r(B Iconv.iconv $B$K$9$k$H$$$&$N$b$"$j$+(B
$B$bCN$l$^$;$s!#(B

$B$G!"(BIconv::Failure#source $B$O(B Iconv#iconv $B$NBh0l0z?t$r$=$N$^$^J];}$9$k(B
$B$H$7$^$9!#$=$&$9$l$P!"(BIconv.conv $B$GNc30$,H/@8$7$F$b!"(BIconv#iconv $B$N(B 2
$B2s$N8F$S=P$7$N$&$A$I$A$i$GH/@8$7$?$N$+$O$o$+$j$^$9!#(B

$BJ#?t$NJ8;zNs$KJ,$1$F8F$S=P$7$?$$$C$F$$$&$N$O$I$s$J>l9g$,$"$j$^$9$+$M(B?
$BJ8;z$,JL$l$F$$$?;~$K(B Iconv::InvalidCharacter $B$,H/@8$7$FM_$7$$>l9g(B?
$B<B9T8zN((B? $BB>$K$O$J$K$,$"$k$G$7$g$&(B?

$B$$$:$l$K$;$h!"$A$c$s$H%$%s%9%?%s%9$r@8@.$7$FJQ49$9$l$P$@$$$?$$LdBj$J$$(B
$B$H;W$&$N$G!"4J0W%$%s%?!<%U%'!<%9$KB?$/$O5a$a$J$$$N$,$$$$$N$G$O$J$$$+$H(B
$B;W$$$^$9!#(B

> $B=i4|%9%F!<%H$KLa$9%7!<%/%'%s%9$rJV$95!G=$,$"$k$s$@$+$i!"=i4|%9(B
> $B%F!<%H$+$i8=:_$N%9%F!<%H$K0\9T$9$k%7!<%/%'%s%9$rJV$9$H$$$&$N$b(B
> $B$"$C$F$h$5$=$&$J5$$,$7$F$-$^$7$?!#(B

$B$=$&$+$b$7$l$^$;$s!#$^$!!"$3$l$OI8=`$NOC$J$N$G(B Ruby $BB&$G$I$&$3$&$G$-$k(B
$B$3$H$8$c$"$j$^$;$s$,!#(B

> $B$G$b(Biconv_t$B$OJ#@=$5$l$J$$$+$i7k6IF1$8$G$9$h!#$?$V$s!"$I$3$+$G(B
> closed iconv (ArgumentError)$B$H$$$o$l$k$N$,%*%A$8$c$J$$$+$H!#(B

$B$A$C!#(B

> $B%(%i!<$N$H$-$K(Byield$B$9$k$H$$$&$N$O$I$&$+$J$H$+!":#$U$H;W$C$?$s$G(B
> $B$9$,!#(B

$B:#2s$N;d$NMQES$G$$$($P!"(Bfailed $B$,%V%m%C%/$KEO$5$l$F!"%V%m%C%/$NJV$jCM(B
$B$G=hM}$,B39T$9$k$HET9g$,$$$$$G$9$M!#$?$@!"$3$l$G07$($kOC$C$F0lHLE*$J$N(B
$B$+$J$!!#(B
-- 
[$BEDCf(B $BE/(B][$B$?$J$+(B $B$"$-$i(B][Tanaka Akira]
$B!V$U$($m(B! $B$o$+$a$A$c$s:n@o$G$9$(C"=$B!W(B(Little Worker, $B7KM7@84](B)