IncompatibleEncodingError

Ruby Development
1

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Ruby 1.9e$B$G$O$?$/$5$s$Ne(B"incompatible encodings: …“e$B$H$$$&Nce(B
e$B30$rL$K$9$k$H;W$&$N$G$9$,!”$=$NNc30%/%i%9$re(BArgumentErrore$B$+e(B
e$B$ie(BIncompatibleEncodingErrore$B$H$$$&$h$&$J@lMQ$NNc30%/%i%9$K$9e(B
e$B$k$H$$$&$N$O$I$&$G$7$g$&$+!)e(B

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e$B$H;W$$$^$9!#e(B

def parse(input)
begin
MyParser.new(input).parse
rescue IncompatibleEncodingError
puts “input encoding must be #{$!.expected_encoding}”
puts “but was #{$!.actual_encoding}”
nil
end
end

2

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

Kouhei S. wrote:

def parse(input)
begin
MyParser.new(input).parse
rescue IncompatibleEncodingError
puts “input encoding must be #{$!.expected_encoding}”
puts “but was #{$!.actual_encoding}”
nil
end
end

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  • IncompatibleEncodingError e$B$K$9$k$+!"e(BEncodingError
    e$B$H0lCJ9-$/<h$C$F$*$/$+e(B
  • e$B%9!<%Q!<%/%i%9$re(B ArgumentError e$B$K$9$k$+e(B
    e$B$"$?$j$G$7$g$&$+!#e(B

e$B$J$*!"8=:_e(B incompatible encoding e$B$de(B differ e$B$Ne(B
ArgumentError e$B$,Ej$2$i$l$k>l9g!"e(B
e$B4|BT$5$l$k%(%s%3!<%G%#%s%0$,$J$$>l9g$bB?$$$N$G$O$J$$$+$H;W$$$^$9!#e(B

e$B4pK\E*$K$Oe(B receiver e$B$N%(%s%3!<%G%#%s%0$He(B argument
e$B$N%(%s%3!<%G%#%s%0$,e(B
e$B0[$J$k$H$+$G$7$g$&$M!#e(B

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3

e$B?\F#$G$9!#e(B

In [email protected]
“[ruby-dev:35201] Re: IncompatibleEncodingError” on Sun, 22 Jun 2008
16:41:16 +0900,
“NARUSE, Yui” [email protected] wrote:

Ruby 1.9e$B$G$O$?$/$5$s$Ne(B"incompatible encodings: …“e$B$H$$$&Nce(B
e$B30$rL$K$9$k$H;W$&$N$G$9$,!”$=$NNc30%/%i%9$re(BArgumentErrore$B$+e(B
e$B$ie(BIncompatibleEncodingErrore$B$H$$$&$h$&$J@lMQ$NNc30%/%i%9$K$9e(B
e$B$k$H$$$&$N$O$I$&$G$7$g$&$+!)e(B

e$BLB$&$H$3$m$,!"e(B

  • IncompatibleEncodingError e$B$K$9$k$+!"e(BEncodingError e$B$H0lCJ9-$/<h$C$F$*$/$+e(B
  • e$B%9!<%Q!<%/%i%9$re(B ArgumentError e$B$K$9$k$+e(B
    e$B$"$?$j$G$7$g$&$+!#e(B

EncodingErrore$B$N2<$Ke(BIncompatibleEncodingErrore$B$,$h$$$H;W$$$^$9!#e(B
e$B$H$$$&$N$b!"e(B

e$B$J$*!"8=:_e(B incompatible encoding e$B$de(B differ e$B$Ne(B ArgumentError e$B$,Ej$2$i$l$k>l9g!"e(B
e$B4|BT$5$l$k%(%s%3!<%G%#%s%0$,$J$$>l9g$bB?$$$N$G$O$J$$$+$H;W$$$^$9!#e(B

e$B$H$$$&;~$O!“e(BIncompatibleEncodingErrore$B$8$c$J$$$b$C$H$=$l$C$]e(B
e$B$$Nc30$,$-$?J}$,4r$7$=$&$@$+$i$G$9!#$=$7$F!”%(%s%3!<%G%#%s%0e(B
e$B4X78$NNc30$r$^$H$a$FJa$^$($?$$$H$-$N$?$a$Ke(BEncodingErrore$B$,?Fe(B
e$B$K$J$C$F$$$k$HJXMx$=$&$@$+$i$G$9!#e(B

e$B%9!<%Q!<%/%i%9$Oe(BArgumentErrore$B$8$c$J$/$F$b$h$$5$$,$7$^$9!#e(B
e$B!J8_49@-$r5$$K$7$J$$$J$i!Ke(B

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coding: utf-8

“e$B$”$*$$$($*e(B".sub(/e$B$$e(B/) {“e$B$+e(B”.encode(“eucJP”)}

4

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

Kouhei S. wrote:

EncodingErrore$B$N2<$Ke(BIncompatibleEncodingErrore$B$,$h$$$H;W$$$^$9!#e(B
e$B$H$$$&$N$b!"e(B

e$B$J$*!"8=:_e(B incompatible encoding e$B$de(B differ e$B$Ne(B ArgumentError e$B$,Ej$2$i$l$k>l9g!"e(B
e$B4|BT$5$l$k%(%s%3!<%G%#%s%0$,$J$$>l9g$bB?$$$N$G$O$J$$$+$H;W$$$^$9!#e(B

e$B$H$$$&;~$O!“e(BIncompatibleEncodingErrore$B$8$c$J$$$b$C$H$=$l$C$]e(B
e$B$$Nc30$,$-$?J}$,4r$7$=$&$@$+$i$G$9!#$=$7$F!”%(%s%3!<%G%#%s%0e(B
e$B4X78$NNc30$r$^$H$a$FJa$^$($?$$$H$-$N$?$a$Ke(BEncodingErrore$B$,?Fe(B
e$B$K$J$C$F$$$k$HJXMx$=$&$@$+$i$G$9!#e(B

IRC e$B$G$bOC$7$?7k2L!"e(B

Encoding::IncompatibleError < StandardError

e$B$r?7@_$H$$$&$N$,:#$N$H$3$m:G1&Mc$K$J$C$F$$$^$9!#e(B
Encoding e$B$H$+e(B Error e$B$H$+2?EY$b=q$+$J$/$F$$$$$7!#e(B

e$B$3$s$J46$8$G$I$&$G$7$g$&!#e(B

5

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In message “Re: [ruby-dev:35210] Re: IncompatibleEncodingError”
on Tue, 24 Jun 2008 01:31:50 +0900, “NARUSE, Yui”
[email protected] writes:

|Encoding::IncompatibleError < StandardError
|
|e$B$r?7@_$H$$$&$N$,:#$N$H$3$m:G1&Mc$K$J$C$F$$$^$9!#e(B
|Encoding e$B$H$+e(B Error e$B$H$+2?EY$b=q$+$J$/$F$$$$$7!#e(B
|
|e$B$3$s$J46$8$G$I$&$G$7$g$&!#e(B

e$B$&!<$s!“$^$”!"$$$$$s$8$c$J$$$G$7$g$&$+!#e(B

6

At Tue, 24 Jun 2008 01:38:47 +0900,
matz wrote:

うーん、まあ、いいんじゃないでしょうか。
　ほかに Encoding é–¢ä¿‚ã®ã‚¨ãƒ©ãƒ¼ã‚’è¿½åŠ ã™ã‚‹ã¨ãã‚‚ StandardError の
直下にぶらさげるんでしょうか。

　IncompatibleEncodingError ってのは Encoding 関係で複数の例外を
区別する必要が生じてからでよいので、とりあえず

class EncodingError < StandardError; end

だけ導入するのはどうでしょうか。

7

At 21:07 08/06/24, Akinori MUSHA wrote:

At Tue, 24 Jun 2008 01:38:47 +0900,
matz wrote:

In message “Re: [ruby-dev:35210] Re: IncompatibleEncodingError”
on Tue, 24 Jun 2008 01:31:50 +0900, “NARUSE, Yui” [email protected]
writes:

|Encoding::IncompatibleError < StandardError

e$B!!$[$+$Ke(B Encoding e$B4X78$N%(%i!<$rDI2C$9$k$H$-$be(B StandardError e$B$Ne(B
e$BD>2<$K$V$i$5$2$k$s$G$7$g$&$+!#e(B

e$B!!e(BIncompatibleEncodingError e$B$C$F$N$Oe(B Encoding e$B4X78$GJ#?t$NNc30$re(B
e$B6hJL$9$kI,MW$,@8$8$F$+$i$G$h$$$N$G!“$H$j$”$($:e(B

class EncodingError < StandardError; end

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e$B8=:_0lHLE*$JNc30$K$J$C$F$$$ke(B transcode.c e$BFb$N0lIt$N$H$3$m$be(B
Encoding:: e$B2<$KF~$l$k$3$H$,9M$($i$l$k!#e(B

e$B8=:_$Ne(B transcode.c e$BFb$Ne(B rb_raise
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    rb_raise(rb_eRuntimeError /*@@@change exception*/, "conversion

undefined for byte sequence (maybe invalid byte sequence)“);
e$BJQ49$,L$Dj5A$G!”$3$3$Oe(B Encoding::UndefinedCharacterError
e$B$H$+=P$O$I$&$G$7$g$&$+!#e(B
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    rb_raise(rb_eArgError, "unknown value for invalid: setting");

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e$B=P$J$$%P%$%HNs$J$I!#e(B

    rb_raise(rb_eArgError, "wrong number of arguments (%d for

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ArgError e$B$G$$$$$@$m$&!#e(B

    rb_raise(rb_eArgError, "transcoding not supported (from %s to

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    rb_raise(rb_eArgError, "not fully converted, %td bytes left",

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e$B%"%I%P%$%9$r59$7$/$*4j$$$7$^$9!#e(B Martin.

#-#-# Martin J. Du"rst, Assoc. Professor, Aoyama Gakuin University
#-#-# http://www.sw.it.aoyama.ac.jp mailto:[email protected]

8

At Wed, 25 Jun 2008 10:48:06 +0900,
e$B@.@%$G$9!#e(B

Martin D. wrote:

e$B!!$[$+$Ke(B Encoding e$B4X78$N%(%i!<$rDI2C$9$k$H$-$be(B StandardError e$B$Ne(B
e$B8=:_0lHLE*$JNc30$K$J$C$F$$$ke(B transcode.c e$BFb$N0lIt$N$H$3$m$be(B
Encoding:: e$B2<$KF~$l$k$3$H$,9M$($i$l$k!#e(B

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e$B:n$i$l$k$3$H$,$b$7$”$k$H!"G:$^$7$$$G$9$M$’!#e(B

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e$BFbIt%(%i!<$_$?$$$J$b$N$G!"<oN`$O$=$l$[$I5$$K$7$J$/$F$$$$!#e(B

    rb_raise(rb_eArgError, "invalid library name - %s",

e$BFbIt%(%i!<$_$?$$$J$b$N$G!"<oN`$O$=$l$[$I5$$K$7$J$/$F$$$$!#e(B

e$BF10U$7$^$9!#e(B
e$B$`$7$m$3$l$i$Oe(B rb_bug e$B$H$+$NJ}$,$$$$$N$+$b!#e(B

    rb_raise(rb_eRuntimeError /*@@@change exception*/, "conversion undefined for byte sequence (maybe invalid byte sequence)");

e$BJQ49$,L$Dj5A$G!"$3$3$Oe(B Encoding::UndefinedCharacterError e$B$H$+=P$O$I$&$G$7$g$&$+!#e(B
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e$B%(%i!<%a%C%;!<%8$Oe(B
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    rb_raise(rb_eArgError, "unknown value for invalid: setting");

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UnsupportedConversion ?

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