Binary String

e$B1J0f!wCNG=!%6e9)Bg$G$9!%e(B

From: “NARUSE, Yui” [email protected]
Subject: [ruby-dev:33472] Re: Ruby1.9
Stringe$B!!%P%$%HNs$X$N%$%s%G%C%/%9!!%"%/%;%9e(B
Date: Mon, 28 Jan 2008 21:12:36 +0900
Message-ID: [email protected]

|String::ByteIndexere$B$H$+!#e(B

e$B$&!<$s!“$I$&$7$h$&$+$J$”!#@lMQ%/%i%92=$7$?J}$,@-G=$,>e$,$k$He(B
e$B$+$$$$$3$H$b$“$k$s$G$9$,$M$(!#$G$b!“e(Bbytee$B%”%/%;%9$He(Bbytee$BNs5s;Re(B
e$B$rF10l;k$9$k$3$H$K$J$s$H$J$/Dq9346$,$”$j$^$9!#e(B

e$B$H$b4XO"$9$k$N$G$9$,!“$3$3$K$*$1$k!Ve(BIndexere$B!W$O!Ve(BEnumeratore$B!W$NFC<l$J>le(B
e$B9g!”$D$^$j!“%i%s%@%`%”%/%;%92DG=$+$De(B key e$B$,e(B 0 e$B$+$i;O$^$k@0?t$G$“$ke(B
e$B!Ve(BEnumeratore$B!W$K$J$C$F$$$^$9!#$D$^$j!”$^$5$Ke(B Array e$B$HF1$8e(B API e$B$r;}$C$F$$e(B
e$B$k$o$1$G$9!#e(B

binary e$B%G!<%?$NA:n$H$$$&4QE@$G9M$($F$_$k$H!$e(B e$B8GDjD9%l%3!<%I$N%G!<%?A:n$N$h$&$J%1!<%9$Ge(B
e$B!V%G!<%?$Ne(B X
e$B%P%$%HL$N0LCV$r@hF,$K3JG<$5$l$F$$$kJ8;zNs$NA`:n!We(B
e$B$J$I$H$$$&$N$OIaDL$K$"$j$=$&$G$9!%e(B
e$BNc$($P!Ve(BX e$B%P%$%HL$+$ie(B Y
e$BJ8;zJ,$r#1J8;zC10L$G7+$jJV$7!W$H$+$G$9!%e(B

e$B$b$A$m$s!$%P%$%HNs$N%3%T!<$r@Z$j=P$7$F$+$i=hM}$9$k$H$$$&J}K!$Oe(B
e$B$“$k$o$1$G$9$,!$%5%$%:Ey$N4X78$b$”$C$F@Z$j=P$9$3$H$Ge(B
e$B=hM}8zN($,Hs>o$KDc2<$9$k$J$I$H$H$$$&$3$H$b$"$k$G$7$g$&$7!$e(B
e$B!VJ8;z?te(B Z e$B$NJ8;zNs$,3JG<$5$l$F$$$k!W$N$h$&$J>l9g$Oe(B
e$B%5%$%:$r;XDj$7$F%3%T!<$r@Z$j=P$9$N$O$+$J$jLLE]$K;W$($^$9!%e(B

e$B$H$$$&$o$1$G!$%P%$%HC10L$G@hF,0LCV$r;XDj$7!$e(B
encoding e$B$r;XDj$7$?J8;zC10L$G$NA}J,$rMF0W$K07$($k$h$&$Je(B
API e$B$bK>$^$l$k$N$G$O$J$$$G$7$g$&$+!%e(B
e$BNc$($P!$e(B
indexer[idx, len] # idx e$B$+$ie(B len e$B%P%$%He(B
indexer[idx, len, enc] # idx e$B$+$ie(B encoding e$B$,e(B enc
e$B$NJ8;z$H$7$Fe(B len e$BJ8;ze(B
e$B$H$+!%e(B
e$BB>$N>l9g$b9M$($k$H!$5$;}$A0-$$%a%=%C%I72$,$G$-$F$7$^$$$=$&$J$N$,e(B
e$B?4G[$G$9$,!%e(B(^_^)

e$B1J0f!wCNG=!%6e9)Bg$G$9!%e(B

From: “NARUSE, Yui” [email protected]
Subject: [ruby-dev:33402] Re: Binary String
Date: Sat, 26 Jan 2008 14:12:04 +0900
Message-ID: [email protected]

$KCODE e$B$r;H$&$h$&$K!$I,MW$J%a%=%C%I$r$9$Y$Fe(B wrap e$B$9$k$H$$$&$N$Oe(B

e$B$"$^$j$K$bO+NO$,3d$K9g$o$J$$$N$G!$EvA39M$($F$O$*$i$l$^$;$s$h$M!)e(B

e$B$=$3$^$G$7$J$/$F$b!"e(B-Ke e$B$r;XDj$9$l$Pe(B 1.9 e$B$N%a%=%C%I$OBP1~$7$^$9$+$i!#e(B

e$B$"$!!$$J$k$[$I!%$=$&$$$&0UL#$G$9$+!%N;2r$G$9!%e(B

e$B%i%$%V%i%j$,85!9%V%m%C%/$r<u$1<h$k$3$H$,$G$-$k;EMM$K$J$C$F$J$1$l$Pe(B
e$B$I$&$7$h$&$b$J$$$h$&$K;W$($k$N$G$9$,!%!%!%e(B
e$B%i%$%V%i%j!VFb!W$G$=$&$7$?BP1~$r9T$o$;$k$?$a$K$O!$e(B
e$B$=$N%i%$%V%i%j$K<j$rF~$l$k$7$+$J$$$G$9$h$M!%e(B
e$B;d$,$^$?2?$+4*0c$$$7$F$$$k$N$G$7$g$&$+!)e(B

e$B%V%m%C%/$r<u$1<h$k%a%=%C%I$NOC$G$9!#e(B

e$B$G$O$=$N7o$O:#$O=|30$7$F$*$-$^$;$s$+!)e(B
e$BLdBj$H$J$C$F$$$k%i%$%V%i%j$,$=$&$=$&ET9gNI$/e(B
e$BLdBj$r2r>C$G$-$k$h$&$J%V%m%C%/$r<u$1<h$C$F$/$l$k;EMM$Ke(B
e$B$J$C$F$$$k$H$O9M$($E$i$$$7!$5DO@$,$I$s$I$sH/;6$7$F$7$^$$$^$9$N$G!%e(B

e$B$"$H$=$&$$$($P!"e(BRuby e$B$Oe(B Open Class e$B$J$N$G!“30$+$i%i%$%V%i%j$N%a%=%C%I$re(B
e$B=q$-49$($F$7$^$&$H$$$&<j$b$”$C$?$j$O$7$^$9$M!#e(B

e$B$^$!!$%i%$%V%i%j$NCf?H$,J,$+$C$F$$$l$P$G$9$M!%e(B

e$B%(%s%3!<%G%#%s%0$r;2>H$7$J$,$i2?$+$9$k%i%$%V%i%j$H$$$&<q;]$G$9$+!)e(B
nkf e$B$G$OFC<l$9$.$FNc$H$7$FITE,@Z$J5$$,$7$^$9!#e(B

encoding e$B$r2>Dj$7$?=hM}$r9T$&2DG=@-$,$“$k$b$N!$e(B
e$BM?$($i$l$?e(B encoding
e$B>pJs$K4p$E$$$F=hM}$r9T$&2DG=@-$,$”$k$b$N!$e(B
encoding e$B$NJQ49$r9T$&2DG=@-$,$"$k$b$N!$$H$$$C$?N`$$$N%i%$%V%i%j$re(B
e$B$R$H$^$H$a$K$7$FAm>NE*$K!Ve(Bnkf e$B$N$h$&$J$b$N!W$H=q$$$F$^$7$?!%e(B
e$BJQ$J=q$-J}$G:.Mp$5$;$F$7$^$$!$$9$_$^$;$s!%e(B

e$BA0$N%a!<%k$G$NOC$Oe(B [ruby-dev:33285] e$B$Ge(B

From: “NARUSE, Yui” [email protected]
Subject: [ruby-dev:33285] Re: Binary String
Date: Wed, 23 Jan 2008 03:52:12 +0900
Message-ID: [email protected]

e$BI,A3$H$7$FF@$i$l$?$b$N$G$O$J$$$H$$$&$3$H$,J,$+$j$^$9!%e(B
e$B$=$l$,J,$+$l$P9%$-$J$h$&$KNAM}$9$k$3$H$,$G$-$^$9!%e(B

encoding e$BHsBP1~$N%i%$%V%i%j$,JV$7$F$-$?;~E@$GI,A3$N7k2LF@$i$l$?$b$N$G$Oe(B
e$B$J$$$3$H$,J,$+$j$^$9!#e(B

UNDEFINED-8BIT e$B$N$h$&$J$b$N$,B8:_$7$J$1$l$P!$e(B
e$B%V%i%C%/%%C%/%9$NLaCM$O$9$Y$FF1$8e(B encoding e$B$G$“$k$He(B
e$B?dDj$9$k$7$+$”$j$^$;$s!%e(B

e$B0J>e$NDL$j$J$N$G!"$3$N2>Dj$,H]Dj$5$l$^$9!#e(B

e$B$H=R$Y$i$l$F$$$k$3$H$KBP$7$F!$e(B
e$B!VI,$:$7$b$=$&$G$O$J$$$N$G$O!)!W$H$$$&$3$H$Ge(B
e$B>l9gJ,$1$7$F$_$?$b$N$G$9!%e(B

1.8 e$BHG$Ge(B 1.8 e$BE*$KF0:n$9$k$b$Ne(B (encoding e$B$rMxMQ$9$k$h$&$Je(B
(e$BCfN,e(B)
e$B%i%$%V%i%j$NA[Dje(B encoding e$B$K9g$o$;$Fe(B
e$BLa$C$F$-$?J8;zNs$KBP$7$Fe(B force_encoding e$B$9$l$Pe(B
e$B3N$+$K$J$s$H$+BP=h$G$-$k$G$7$g$&!%e(B

-Kn e$B$r$D$1$F$$$k%1!<%9$G$O$=$&$@$H;W$$$^$9!#e(B-Ke e$BEy$r$D$1$F$$$k$H>/!9OC$Oe(B
e$BJQ$o$k$+$b$7$l$^$;$s!#e(B

e$B$J$k$[$I!%$=$l$K$h$k0c$$$b$"$j$^$9$M!%e(B

e$B8+Mn$H$7$,$"$j$=$&$J5$$b$7$F$$$^$9$,!$e(B
UNDEFINED-8BIT + default_undefind e$B$J$ie(B
e$B>e5-$N$9$Y$F$r$+$J$j$N3NN($G5_:Q$G$-$=$&$J5$$,$7$^$9!%e(B

e$B$3$l$G5_:Q$G$-$k$N$O!“J8;zC10L$G$N=hM}$+!”%P%$%HC10L$G$N=hM}$+!“$I$A$i$+e(B
e$B$KE}0l$5$l$F$$$k%1!<%9$K8B$k$H;W$$$^$9!#$=$N$h$&$J%1!<%9$G$O!”%(%s%3!<e(B
e$B%G%#%s%0L$;XDj$G@8@.$5$l$?J8;zNs$re(B -K e$B$G;XDj$5$l$?%(%s%3!<%G%#%s%0$K$7$Fe(B
e$B$7$^$C$?J}$,%9%^!<%H$G$7$g$&!#e(B

e$B!Ve(Bnkf
e$B$N$h$&$J$b$N!W$,<o!9$N%1!<%9$r$R$H$^$H$a$K$7$F$k$3$H$b$“$C$Fe(B
e$B@.@%$5$s$,=R$Y$i$l$F$$$k%1!<%9$K$O8B$i$J$$$H$$$&$h$&$K$b;W$$$^$9$,!$e(B
UNDEFINED-8BIT e$B$OF0E*$KJQ992DG=$Je(B -K
e$B$K6a$$$b$N$G$”$k$H$$$&$N$Oe(B
e$B3N$+$K$=$NDL$j$+$b$7$l$^$;$s!%e(B
e$B$G!$e(B-K
e$B$G5_$($J$$HO0O$OD|$a$F$b$i$C$F$b$$$$$N$G$O$J$$$+$H$$$&$N$be(B
e$B$=$l$G$O:$$k$H$$$&6qBNNc$,=P$F$3$J$$8B$j$O6/$/H]Dj$b$G$-$^$;$s!%e(B
e$B$3$l0J>e!$!V2DG=@-!W$G5DO@$7$F$bITLS$J$h$&$G$9$N$G!$e(B
e$B6qBNE*$K:$$C$?$H$$$&@<$,=P$J$$8B$j$ODs0F$r<h$j2<$2$^$9!%e(B

e$B$=$l$O$=$l$H$7$F$G$9$,!$e(B
e$B!V@.@%$5$s$,=R$Y$i$l$F$$$k%1!<%9$K$O8B$i$J$$!W$NNc$H$7$F!$e(B
Ruby/Tk e$B$Ge(B binary e$B$He(B utf-8 e$B$de(B euc-jp
e$B$,:.:$7$FJV$5$l$ke(B
(1.8 e$BHG$G$N=hM}$N$?$a!$$9$Y$Fe(B ASCII-8BIT e$B$K$J$C$F$7$^$&e(B)
e$B$H$$$&$b$N$,$“$j$^$7$?!%e(B
e$B$3$Ne(B Ruby/Tk e$B$,:#2s$N!V%i%$%V%i%j!W$^$?$O!Ve(Bnkf
e$B$N$h$&$J$b$N!W$Ne(B
e$B0LCVIU$1$G$”$C$?>l9g!$@.@%$5$s$G$“$l$P$I$N$h$&$JBP1~J}K!$re(B
e$BA*Br$5$l$k$G$7$g$&$+!)e(B
e$B$3$l$O=c?h$K6=L#$H$7$F$N<ALd$G$”$C$F!$e(B
e$B2?$+$rF3F~$7$F$/$l$H$$$&OC$G$O$"$j$^$;$s$N$G$4?4G[$J$/!%e(B(^
^)

e$B1J0f!wCNG=!%6e9)Bg$G$9!%e(B

From: “NARUSE, Yui” [email protected]
Subject: [ruby-dev:33483] Re: Binary String
Date: Tue, 29 Jan 2008 05:41:34 +0900
Message-ID: [email protected]

e$B%3%s%F%J$K$D$a$FJV$9$3$H$K$7$F!"%3%s%F%JB&$G%(%s%3!<%G%#%s%0>pJs$r;}$C$Fe(B
e$B$b$i$$$^$9$+$M$'!#>:Y$O%1!<%9%P%$%1!<%9$K$J$k$G$7$g$&$1$l$I!#e(B

e$B$H$$$&$3$H$O!$$=$&$7$?%1!<%9$O%i%$%V%i%jB&$G$I$&$K$+$7$F$d$i$J$$8B$j$Oe(B
(e$B>/$J$/$H$b8=>u$NHO0O$G$Oe(B) 1.9
e$B$K$OBP1~$7$h$&$,$J$$$H$$$&$3$H$G$9$M!%e(B
e$BN;2r$G$9!%$"$j$,$H$&$4$6$$$^$7$?!%e(B

e$B@.@%$G$9!#e(B

Hidetoshi NAGAI wrote:

e$B$=$l$O$=$l$H$7$F$G$9$,!$e(B
e$B!V@.@%$5$s$,=R$Y$i$l$F$$$k%1!<%9$K$O8B$i$J$$!W$NNc$H$7$F!$e(B
Ruby/Tk e$B$Ge(B binary e$B$He(B utf-8 e$B$de(B euc-jp e$B$,:.:$7$FJV$5$l$ke(B
(1.8 e$BHG$G$N=hM}$N$?$a!$$9$Y$Fe(B ASCII-8BIT e$B$K$J$C$F$7$^$&e(B)
e$B$H$$$&$b$N$,$"$j$^$7$?!%e(B
e$B$3$Ne(B Ruby/Tk e$B$,:#2s$N!V%i%$%V%i%j!W$^$?$O!Ve(Bnkf e$B$N$h$&$J$b$N!W$Ne(B
e$B0LCVIU$1$G$"$C$?>l9g!$@.@%$5$s$G$"$l$P$I$N$h$&$JBP1~J}K!$re(B
e$BA*Br$5$l$k$G$7$g$&$+!)e(B
e$B$3$l$O=c?h$K6=L#$H$7$F$N<ALd$G$"$C$F!$e(B
e$B2?$+$rF3F~$7$F$/$l$H$$$&OC$G$O$"$j$^$;$s$N$G$4?4G[$J$/!%e(B(^
^)

e$B%3%s%F%J$K$D$a$FJV$9$3$H$K$7$F!"%3%s%F%JB&$G%(%s%3!<%G%#%s%0>pJs$r;}$C$Fe(B
e$B$b$i$$$^$9$+$M$’!#>:Y$O%1!<%9%P%$%1!<%9$K$J$k$G$7$g$&$1$l$I!#e(B