Encdet.rb

Tanaka_A · February 7, 2008, 7:10am

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% head -1 lib/rexml/rexml.rb

-- encoding: utf-8 --

% ./ruby -Ilib -rencdet -e ’
EncDet.open(“lib/rexml/rexml.rb”) {|f|
p f.external_encoding
}’
#Encoding:UTF-8

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Index: lib/encdet.rb

— lib/encdet.rb (revision 0)
+++ lib/encdet.rb (revision 0)
@@ -0,0 +1,96 @@
+module EncDet

def EncDet.open(fname, mode=‘r’)
if block_given?
```
 File.open(fname, mode) {|f|
```
```
   f.set_encoding detect_encoding(f)
```
```
   yield f
```
```
 }
```
else
```
 f = File.open(fname, mode)
```
```
 f.set_encoding detect_encoding(f)
```
```
 f
```
end
end
PEEKSIZE = 4096
Detectors = {}
Detectors[:magic_comment] = lambda {|buf|
if /\A#!/ =~ buf
```
 numlines = 2
```
else
```
 numlines = 1
```
end
target = ‘’
buf.each_line {|line|
```
 target << line
```
```
 numlines -= 1
```
```
 break if numlines == 0
```
}
if /coding[:=][ \t]*(?[\w.-]+)[^\w.-]/ =~ target
```
 begin
```
```
   Encoding.find(encname)
```
```
 rescue ArgumentError
```
```
   Encoding::ASCII_8BIT
```
```
 end
```
else
```
 if numlines == 0 && /\n\z/ =~ target
```
```
   :not_found
```
```
 else
```
```
   :more_bytes
```
```
 end
```
end
}
Detectors[:utf_bom] = lambda {|buf|
h = {
```
 "UTF-8" => /\A\xEF(?:\xBB(\xBF)?)?/n,
```
```
 "UTF-16BE" => /\A\xFE(\xFF)?/n,
```
```
 "UTF-16LE" => /\A\xFF(\xFE)?/n,
```
}
result = :not_found
h.each {|name, pat|
```
 if pat =~ buf
```
```
   if $1
```
```
     result = Encoding.find(name)
```
```
     break
```
```
   end
```
```
   result = :more_bytes
```
```
 end
```
}
result
}
def EncDet.detect_encoding(f)
result = nil
detectors = Detectors.dup
buf = ‘’
while buf.bytesize < PEEKSIZE
```
 begin
```

   buf << f.readpartial(PEEKSIZE - buf.bytesize)

```
 rescue EOFError
```
```
   break
```
```
 end
```
```
 next_detectors = {}
```
```
 detectors.each {|name, det|
```
```
   r = det.call(buf)
```
```
   case r
```
```
   when :not_found
```
```
     next
```
```
   when :more_bytes
```
```
     next_detectors[name] = det
```
```
   when Encoding
```
```
     result = r
```
```
     break
```
```
   else
```

     raise TypeError, "unexpected detection result by #{name}:

#{r.inspect}"

```
   end
```
```
 }
```

 break if next_detectors.empty? || result

```
 detectors = next_detectors
```
end
f.ungetc buf
result || f.external_encoding
end
+end
Index: test/test-encdet.rb
===================================================================
— test/test-encdet.rb (revision 0)
+++ test/test-encdet.rb (revision 0)
@@ -0,0 +1,41 @@
+require ‘test/unit’
+require ‘encdet’

+class TestEncDet < Test::Unit::TestCase
+

def check_detect_encoding(content, enc)
r, w = IO.pipe
w.write content
w.close
result = EncDet.detect_encoding®
assert_equal(Encoding.find(enc), result)
ensure
r.close if r && !r.closed?
w.close if w && !w.closed?
end
def test_magic_comment
[

 ["-*- coding: utf-8 -*-\n\u{3042}\n", "UTF-8"],

 ["-*- coding: euc-jp -*-\n\xa4\xa2\n", "EUC-JP"],

 ["#!/bin/sh\n# -*- coding: utf-8 -*-\n\u{3042}\n", "UTF-8"],

 ["#!/bin/sh\n# -*- coding: euc-jp -*-\n\xa4\xa2\n", "EUC-JP"],

 ["\n-*- coding: utf-8 -*-\n\u{3042}\n", Encoding.locale_charmap],

 ["\n-*- coding: euc-jp -*-\n\xa4\xa2\n",

Encoding.locale_charmap],

].each {|content, enc|
```
 check_detect_encoding(content, enc)
```
}
end
def test_bom
[
```
 ["\xef\xbb\xbfab", "UTF-8"],
```
```
 ["\xfe\xff\0a\0b", "UTF-16BE"],
```
```
 ["\xff\xfea\0b\0", "UTF-16LE"],
```
].each {|content, enc|
```
 check_detect_encoding(content, enc)
```
}
end

+end
+

Tanaka_A · February 7, 2008, 7:55am

e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

In message “Re: [ruby-dev:33628] encdet.rb”
on Thu, 7 Feb 2008 15:09:11 +0900, Tanaka A. [email protected]
writes:

|e$BA0$+$i9M$($F$$$?$N$G$9$,!"%U%!%$%[email protected],$Ne(B magic comment e$B$de(B
|BOM e$B$rD4$Y$Fe(B encoding [email protected]_Dj$7$F$/$l$k%i%$%V%i%j$rE:IU$9$k$Ne(B
|e$B$O$I$&$G$7$g$&$+!#e(B

e$BE:IU$9$k$3$H$K$O;[email protected]$7$^$9!#e(Bencdete$B$H$$$&L>A0$O%T%s$HMh$^$;$se(B
e$B$,!"@dBPH?BP$H$$$&$[$I$G$O$"$j$^$;$s!#[email protected]!"e(Bdete$B$h$j$Oe(Bdetect
[email protected]<($7$?J}$,9%$_$G$9$,!#e(B

Tanaka_A · February 7, 2008, 9:17am

At 15:55 08/02/07, Yukihiro M. wrote:

e$B$,!"@dBPH?BP$H$$$&$[$I$G$O$"$j$^$;$s!#[email protected]!"e(Bdete$B$h$j$Oe(Bdetect
[email protected]<($7$?J}$,9%$_$G$9$,!#e(B

e$BL>A0$H$7$F$Oe(B EncodingDetection e$B$H$+e(B DetectEncoding
e$B$,$$$$$H;W$$$^$9!#e(B
e$B$7$+$7e(B Ruby e$B$N>l9g!"e(Bencoding
e$B$O7k9=J8;z%3!<%I$H$N$D$J$,$j$,6/$$$N$G!"e(B
magic comment
e$B$J$I$b07$&$3$H$r$b$&$A$g$C$HJ,$+$j$d$9$/$9$k$N$,$$$$$N$G$Oe(B
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e$B59$7$/$*4j$$$7$^$9!#e(B Martin.

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

Tanaka_A · February 7, 2008, 1:04pm

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

In [email protected]
“[ruby-dev:33628] encdet.rb” on Thu, 7 Feb 2008 15:09:11 +0900,
Tanaka A. [email protected] wrote:

#Encoding:UTF-8

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EncDete$B$H$$$&$h$&$KL>A0$rC;$/$7$F;H$$$d$9$/!JFI$_$E$i$/!K$9$ke(B
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Tanaka_A · February 7, 2008, 3:44pm

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

In [email protected]
“[ruby-dev:33642] Re: encdet.rb” on Thu, 7 Feb 2008 22:45:50 +0900,
Yukihiro M. [email protected] wrote:

|e$B$D$$$G$K!"e(BEncDet.opene$B$h$j$be(BIO#opene$B$Ne(Bmodee$B$Ge(B"r:detect"e$B$H;XDj$Ge(B
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Tanaka_A · February 7, 2008, 2:46pm

e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

In message “Re: [ruby-dev:33641] Re: encdet.rb”
on Thu, 7 Feb 2008 21:03:56 +0900, Kouhei S. [email protected]
writes:

|e$B$D$$$G$K!"e(BEncDet.opene$B$h$j$be(BIO#opene$B$Ne(Bmodee$B$Ge(B"r:detect"e$B$H;XDj$Ge(B
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Tanaka_A · February 14, 2008, 9:56am

In article [email protected],
Yukihiro M. [email protected] writes:

e$BE:IU$9$k$3$H$K$O;[email protected]$7$^$9!#e(Bencdete$B$H$$$&L>A0$O%T%s$HMh$^$;$se(B
e$B$,!"@dBPH?BP$H$$$&$[$I$G$O$"$j$^$;$s!#[email protected]!"e(Bdete$B$h$j$Oe(Bdetect
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e$B:#$^$G$K=P$F$$$k$N$O0J2<$N$b$N$/$i$$$G$7$g$&$+!#e(B

encdet.rb
encdetect.rb

EncDet
EncDetect
EncodingDetection
DetectEncoding
Encoding::Detector

e$B$I$l$,$$$$$+$J$!!#e(B

Tanaka_A · February 14, 2008, 12:37pm

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

In [email protected]
“[ruby-dev:33780] Re: encdet.rb” on Thu, 14 Feb 2008 17:55:07 +0900,
Tanaka A. [email protected] wrote:

EncDet
EncDetect
EncodingDetection
DetectEncoding
Encoding::Detector

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Tanaka_A · February 14, 2008, 3:52pm

In article [email protected],
Kouhei S. [email protected] writes:

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Tanaka_A · February 15, 2008, 1:10pm

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

In [email protected]
“[ruby-dev:33783] Re: encdet.rb” on Thu, 14 Feb 2008 23:52:05 +0900,
Tanaka A. [email protected] wrote:

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Tanaka_A · February 15, 2008, 2:41pm

[email protected]$G$9!#e(B

At Thu, 14 Feb 2008 23:52:05 +0900,
Tanaka A. wrote in [ruby-dev:33783]:

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Tanaka_A · February 19, 2008, 6:34am

In article [email protected],
Kouhei S. [email protected] writes:

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e$B$KH?1G$7$F$$$k$3$H$O$o$j$HIaDL$J$3$H$N$h$&$K;W$$$^$9!#e(B
URIe$B$de(BWEBricke$B$J$I$b$=$&$J$C$F$$$k5$$,$7$^$9!#e(B

e$B$=$&$G$9$M!#e(BURI e$B$de(B WEBrick e$B$h$j$Oe(B Net
e$B$N$[$&$,Nc$H$7$F$OE,@Ze(B
[email protected]$H;W$$$^$9$,!"$=$N47=,$O$?$7$+$K$"$k$H;W$$$^$9!#$=$&$$$&47e(B
e$B=,$,3P$($d$9$5$NMW0x$K$J$k$N$O$?$7$+$G$9!#e(B

e$B:#2sDs0F$7$F$$$k$b$N0J30$K!"$J$K$+6qBNE*$Ke(B encoding/ e$B0J2<$Ke(B
e$BF~$l$?$$$b$N$,$"$j$^$9$+e(B?

e$B;d$OFC$K$"$j$^$;$s!#e(B
e$BB>$KF~$l$k$b$N$,$"$k$N$J$i%G%#%l%/%H%j$r7!$k$N$O5$$K$J$i$J$$e(B
e$B$H$$$&$3$H$G$7$g$&$+!)e(B
[email protected]$$J}$rJQ$($k$H!“e(Bencoding/e$B0J2<$KF~$k$b$N$,$3$l0J>eA}$($k2DG=e(B
[email protected]$,e(B0e$B$G$”$l$P!"e(Bencoding/e$B$O:n$j$?$/$J$$$H$$$&$3$H$G$7$g$&$+!)e(B

e$B:G=i$K=R$Y$?$h$&$K3P$($K$/$$$H;W$C$F$$$^$9$N$G!"5$$,?J$_$^$;e(B
e$B$s!#e(B

e$B$=$s$J$o$1$G!“e(Bencdetect e$B$+$J$!!”$H;W$C$F$$$^$9!#e(B

Tanaka_A · February 19, 2008, 1:02pm

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

In [email protected]
“[ruby-dev:33856] Re: encdet.rb” on Tue, 19 Feb 2008 14:32:15 +0900,
Tanaka A. [email protected] wrote:

e$B$R$H$D$7$+$J$$$3$H$G$J$K$+LdBj$,$"$C$?7P83$,$"$k$H$$$&$3$H$Ge(B
e$B$7$g$&$+!)e(B

e$B$=$N$h$&$J%G%#%l%/%H%j$O3P$($K$/$$$H46$8$F$$$^$9!#e(B

e$B$*$=$i$/!"3,AX9=B$$K$9$k$3$H$OJ,N$N0UL#$,$"$k$N$K!"$R$H$D$7e(B e$B$+$J$$$N$G$OJ,N$N0UL#$,$J$$$3$H$,860x$G$O$J$$$+$H;W$C$F$$$^e(B
e$B$9!#0lHL$K0UL#$N$J$$$3$H$r3P$($k$N$OFq$7$$$b$N$G$9$7!#e(B

e$B%G%#%l%/%H%j$r3P$($k$H$$$&>u67$,$h$/$o$+$i$J$$$N$G$9$,!"$I$&e(B
e$B$$$&$H$-$K%G%#%l%/%H%j$r3P$($k$N$G$7$g$&$+!)Nc$($P!“e(B
net/http.rbe$B$r;H$&$H$-$Oe(Bnete$B%G%#%l%/%H%j$r3P$($k!”$H$$$&$3$H$Ge(B
e$B$7$g$&$+!)e(B

e$B;d$O3,AX9=B$!Je(BXXX/YYYe$B!K$K$J$C$F$$$k;~$Oe(BXXXe$B$r3P$($h$&$H$O!J$?e(B
e$B$V$s!K;W$C$F$$$^$;$s$,!“e(BXXXe$B$K4XO”$9$ke(BYYYe$B$H$$$&5!G=$r;H$&!"$He(B
e$B9M$($F$$$k5$$,$7$^$9!#e(B

e$B$^$?!“e(BXXX/e$B0J2<$K%U%!%$%k$,2?8D$”$k$+$r0U<1$7$?$3$H$,$J$$$N$Ge(B
e$B$9$,!"$=$l$r0U<1$9$k$N$O$o$j$HIaDL$N$3$H$J$N$G$7$g$&$+!)e(B
e$B!Je(Bnet/e$B%7%j!<%:$O$$$m$$$m$"$k$J$!$H$+$O;W$C$?$3$H$,$"$k$H;W$$e(B
e$B$^$9!#!Ke(B

[email protected]!"%G!<%?<+?H$K%(%s%3!<%G%#%s%0$r5-O?$9$k$H$$$&$N$O!"$=$le(B
e$B$J$j$KIa5Z$7$F$[$7$$$H;W$C$F$$$k$N$G!";H$$$K$/$$$[$ID9$/$7$?e(B
e$B$$$H$O;W$$$^$;$s!#$=$N0UL#$Ge(B Encoding::Detector.open e$B$O$A$g$Ce(B
e$B$HD9$9$.$k$h$&$K;W$$$^$9!#e(B

e$BDL>o$N%9%/%j%W%H$G$O$=$l$[$IB?$/e(BEncDet.opene$B$r;H$&$H$O;W$($Je(B
e$B$$$N$G$9$,!"e(BRDoce$B0J30$G$O$I$&$$$&>l9g$G$7$g$&$+!)e(BRubye$B%9%/%j%We(B
e$B%H0J30!JNc$($Pe(BYAMLe$B!K$K$be(Bcoding:
XXXe$B$r=q$/$h$&$K$H$$$&$3$H$Ge(B
e$B$7$g$&$+!)e(B

e$B$=$l$O3F%U%)!<%^%C%H$NLdBj$J5$$b$7$^$9!#Nc$($P!"e(BXMLe$B$G$Oe(B
encoding=“XXX"e$B$G$9$,!”:#$Ne(BEncDet.detect_encodinge$B$G$OBP1~$7$Fe(B
e$B$$$J$$5$$,$7$^$9!#$=$l$H$b!"3F%U%)!<%^%C%H$G$N%(%s%3!<%G%#%se(B
e$B%0;XDj=q<0$K$bBP1~$7$F$$$/$H$$$&$3$H$G$7$g$&$+!)e(B

e$BHf3SBP>]$N%m%1!<%k0MB8$J$b$N$Oe(B open e$B$Ne(B 4e$BJ8;z$J$N$G$3$l$HF1Eye(B
e$B$ND9$5$rK>$`$N$OL5M}[email protected]$H;W$$$^$9$,!"$"$^$j:9$,3+$-$9$.$k$N$Oe(B
e$B$h$m$7$/$J$$$H46$8$F$$$^$9!#e(B

e$B:#99$$$&$N$b%"%l$J$s$G$9$,!"$=$b$=$b!“e(Bopene$B$H$$$&e(BAPIe$B$O$I$&$+$J$!e(B
e$B$H;W$C$F$$$^$9!#6=L#$,$”$k$N$O!V%U%!%$%k$r3+$$$F%(%s%3!<%G%#e(B
e$B%s%[email protected]_Dj$9$k!W$3$H$G$O$J$/$F!"!Ve(BIOe$B$N%(%s%3!<%G%#%se(B
e$B%[email protected][email protected][email protected]$H;W$$$^$9!#$J$N$G!"0J2<$N$he(B
e$B$&$K;H$($?J}$,$h$$5$$,$7$F$$$^$9!#e(B

File.open(“XXX”) do |f|
f.detect_encoding!
…
end

e$B>e5-$N$h$&$Je([email protected]$He(BFile.opene$B0J30$Ne(BIOe$B!J$C$]$$$b$N!"Nc$($Pe(B
StringIOe$B!K$G$b%(%s%3!<%G%#%s%08!=P5!G=$,F1$8e(BAPIe$B$G;H$($^$9!#e(B

e$B$b$A$m$s!"%U%!%$%[email protected],[email protected]$1$r%A%’%C%/$7$?$$$+$ie(Bopene$B$+$i<gF3e(B
e$B8"[email protected]$m$&$J$!$H$OA[A|$G$-$^$9$,!"%G!<%?$rFI$_9~$`e(B
e$BA0$K8F$s$G$M!"$G$b==J,$G$O$J$$$+$H$b;W$$$^$9!#%U%!%$%k0J30$Ge(B
e$B$b%(%s%3!<%G%#%s%[email protected]_Dj$7$?$$$3$H$O$"$k$H;W$$$^$9$7!#e(B
e$B!JNc$($Pe(BTempfilee$B$H$+!#!Ke(B

e$B$=$s$J$o$1$G!“e(Bencdetect e$B$+$J$!!”$H;W$C$F$$$^$9!#e(B

encodinge$B$,e(Bence$B$HN,$5$l$F$$$k$N$Oe(BRubye$B$Ne(BCe$B$Ne(BAPIe$B$^$G$G!"$^[email protected](BRuby
e$B%l%Y%k$G$Oe(Bencodinge$B$7$+$J$$$H;W$$$^$9!#e(Bence$B$HN,$7$F$^$GC;$/$9e(B
e$B$k$b$N$G$O$J$$$N$G$O$J$$$+!"$H$O$^[email protected];W$C$F$$$^$9!#e(B

e$B$"$H!"%b%8%e!<%kL>$,F0;le(B(detect)e$B$H$$$&$N$b>/$75$$K$J$j$^$9!#e(B
e$B!J$=$&$$$&$N$O$b$&$9$G$K$?$/$5$s$"$j$^$9$,!#!Ke(B

Tanaka_A · February 22, 2008, 5:40am

In article [email protected],
Kouhei S. [email protected] writes:

e$B%G%#%l%/%H%j$r3P$($k$H$$$&>u67$,$h$/$o$+$i$J$$$N$G$9$,!"$I$&e(B
e$B$$$&$H$-$K%G%#%l%/%H%j$r3P$($k$N$G$7$g$&$+!)Nc$($P!“e(B
net/http.rbe$B$r;H$&$H$-$Oe(Bnete$B%G%#%l%/%H%j$r3P$($k!”$H$$$&$3$H$Ge(B
e$B$7$g$&$+!)e(B

e$B$O$$!#3P$($F$$$J$$$He(B require e$B$N0z?t$r=q$1$^$;$s!#e(B

e$B$^$!!"=q$1$J$$$H$$$&[email protected]$$2a$.$+$b$7$l$^$;$s$,!“7P83>ee(B
test/unit e$B$Ge(B require e$B$r=q$/$H$-$K$$$/$i$+8MOG$C$?3P$($,$”$je(B
e$B$^$9!#e(B

e$B;d$O3,AX9=B$!Je(BXXX/YYYe$B!K$K$J$C$F$$$k;~$Oe(BXXXe$B$r3P$($h$&$H$O!J$?e(B
e$B$V$s!K;W$C$F$$$^$;$s$,!“e(BXXXe$B$K4XO”$9$ke(BYYYe$B$H$$$&5!G=$r;H$&!"$He(B
e$B9M$($F$$$k5$$,$7$^$9!#e(B

XXXYYY e$B$de(B XXX-YYY e$B$be(B XXX e$B$K4XO"$9$ke(B YYY
e$B$H$$$&5!G=$r;H$&$H2re(B
e$B<a$G$-$k$s$8$c$J$$$G$7$g$&$+!#e(B

XXX e$B$K4XO"$9$ke(B YYY e$B$H$$$&5!G=$r;H$*$&$H;W$C$?;~!“e(BXXXYYY,
XXX-YYY, XXX/YYY [email protected]$m$&$+!”$H$$$&$N$r;W$$=P$7$d$9e(B
e$B$/$9$k$9$k$K$O$I$&$7$?$i$7$$$+!"$H$$$&$N$,[email protected]$H;W$$$^e(B
e$B$9!#e(B

e$B$^$?!“e(BXXX/e$B0J2<$K%U%!%$%k$,2?8D$”$k$+$r0U<1$7$?$3$H$,$J$$$N$Ge(B
e$B$9$,!"$=$l$r0U<1$9$k$N$O$o$j$HIaDL$N$3$H$J$N$G$7$g$&$+!)e(B
e$B!Je(Bnet/e$B%7%j!<%:$O$$$m$$$m$"$k$J$!$H$+$O;W$C$?$3$H$,$"$k$H;W$$e(B
e$B$^$9!#!Ke(B

e$B;d$N463P$H$7$F$O!“0U<1$7$F$b$*$+$7$/$”$j$^$;$s!#$$$/$D$b$"$le(B
e$B$P!“J,N`$K0UL#$,$”$k$N$,[email protected]$i$+$G3P$($d$9$$$N$G$9$,!"$=$&$G$Je(B
[email protected]$i$+$O$"$j$^$;$s!#e(B

e$B$b$A$m$s!";d$,IaDL$G$"$k$+$I$&$+$O$^$?JL$NOC$K$J$k$N$G!“IaDLe(B
e$B$G$”$k$+$I$&$+$H$$$&<ALd$KEz$($F$$$k$3$H$K$O$J$i$J$$$+$b$7$le(B
e$B$^$;$s$1$l$I!#e(B

e$BDL>o$N%9%/%j%W%H$G$O$=$l$[$IB?$/e(BEncDet.opene$B$r;H$&$H$O;W$($Je(B
e$B$$$N$G$9$,!"e(BRDoce$B0J30$G$O$I$&$$$&>l9g$G$7$g$&$+!)e(BRubye$B%9%/%j%We(B
e$B%H0J30!JNc$($Pe(BYAMLe$B!K$K$be(Bcoding: XXXe$B$r=q$/$h$&$K$H$$$&$3$H$Ge(B
e$B$7$g$&$+!)e(B

e$B$O$$!#$b$H$b$H$3$N7A<0$Oe(B Emacs e$B$de(B Python
e$B$+$iMh$F$$$k$b$N$G!"e(B
Ruby e$B0J30$K$bE,MQ$G$-$^$9!#e(B

e$B$?$H$($P!“F|K\8l$r4^[email protected]%W%l%$%s%F%-%9%H$r=hM}$9$k$H$-$K!”%(e(B
e$B%s%3!<%G%#%s%0$r$I$&;XDj$9$k$+!"$H$+!#e(BEmacs e$B$O<+F0H=JL!"e(BRuby
e$B$Oe(B locale e$B$de(B -K e$B%*%W%7%g%s$H$$$&$h$j$O!"e(Bmagic comment
e$B$H$$$&e(B
e$B$R$H$D$N>pJs$GN>J}[email protected])8f$7$?$[$&$,$$$$$G$7$g$&!#e(B

e$B$J$*!"e(BYAML e$B$O$?$7$+;EMM<+BN$Ke(B UTF-8
e$B$H$$$&5,Dj$,F~$C$F$$$k$he(B
e$B$&$J5$$,$9$k$N$GHyL/$J5$$,$7$^$9!#e(B

e$B$=$l$O3F%U%)!<%^%C%H$NLdBj$J5$$b$7$^$9!#Nc$($P!"e(BXMLe$B$G$Oe(B
encoding=“XXX"e$B$G$9$,!”:#$Ne(BEncDet.detect_encodinge$B$G$OBP1~$7$Fe(B
e$B$$$J$$5$$,$7$^$9!#$=$l$H$b!"3F%U%)!<%^%C%H$G$N%(%s%3!<%G%#%se(B
e$B%0;XDj=q<0$K$bBP1~$7$F$$$/$H$$$&$3$H$G$7$g$&$+!)e(B

e$BI,MW$K$J$l$P$d$C$F$b$$$$$+$b$7$l$^$;$s!#e(B

[email protected]!"e(BXML e$B$Oe(B XML
e$B%Q!<%6!<$,LLE]$r8+$F$/$l$k$h$&$J5$$b$7$^$9!#e(B

e$B>e5-$N$h$&$Je([email protected]$He(BFile.opene$B0J30$Ne(BIOe$B!J$C$]$$$b$N!"Nc$($Pe(B
StringIOe$B!K$G$b%(%s%3!<%G%#%s%08!=P5!G=$,F1$8e(BAPIe$B$G;H$($^$9!#e(B

e$B$R$H$D9M$($F$$$F!">e5-$N$G$O07$($J$$$N$Oe(B Apache e$B$Ne(B
mod_cern_meta e$B$K$h$k7A<0$G$9$M!#7P0^$+$i$$$($Pe(B CERN httpd
e$B$N7Ae(B
e$B<0$H$$$C$?$[$&$,$$$$$s$G$9$,!"e(Bdir/foo e$B$H$$$&%U%!%$%k$KBP$7$Fe(B
dir/.web/foo.meta e$B$Ke(B Content-Type e$B$H$+$r=q$1$k$H$$$&$b$N$G!"e(B
open e$B$9$k%?%$%_%s%0$rJa$^$($J$$$HLdBj$,=P$F$-$^$9!#e(Bchdir e$B$He(B
e$B$+!#e(B

e$B$b$A$m$s!"%U%!%$%[email protected],[email protected]$1$r%A%’%C%/$7$?$$$+$ie(Bopene$B$+$i<gF3e(B
e$B8"[email protected]$m$&$J$!$H$OA[A|$G$-$^$9$,!"%G!<%?$rFI$_9~$`e(B
e$BA0$K8F$s$G$M!"$G$b==J,$G$O$J$$$+$H$b;W$$$^$9!#%U%!%$%k0J30$Ge(B
e$B$b%(%s%3!<%G%#%s%[email protected]_Dj$7$?$$$3$H$O$"$k$H;W$$$^$9$7!#e(B
e$B!JNc$($Pe(BTempfilee$B$H$+!#!Ke(B

e$B$=$&$$$&MQES$,$J$$$H$O$$$$$^$;$s$7!"$=$&$$$&MQES$N$?$a$N%a%=%Ce(B
e$B%I$O$"$C$F$$$$$H$*$b$$$^$9!#e(B

[email protected]!“e(BTempfile e$B$O$=$N%W%m%;%9<+?H$,@8@.$7$?$b$N$G!“Cf?H$K%(e(B
e$B%s%3!<%G%#%s%0$r;XDj$9$kI,[email protected]$O2<$,$k$h$&$J5$$,$7$^$9!#$”$ke(B
e$B$H$7$?$i!“e(BTempfile [email protected]@.$7$?$”$H2?$+%3%^%s%I$r5/F0$7$F$=$3e(B
e$B$K=q$-9~$^$;$F$=$l$rFI$`$H$+$G$7$g$&$+!#$G$b$=$&$9$k$H!”$=$Ne(B
e$B%3%^%s%I$N$3$H$rCN$C$F$$$l$P%(%s%3!<%G%#%s%0$O$o$+$k5$$,$7$^e(B
e$B$9!#6qBNE*$K$O$I$$$&>u67$G4r$7$$$G$7$g$&$Me(B?

e$B$=$s$J$o$1$G!“e(Bencdetect e$B$+$J$!!”$H;W$C$F$$$^$9!#e(B

encodinge$B$,e(Bence$B$HN,$5$l$F$$$k$N$Oe(BRubye$B$Ne(BCe$B$Ne(BAPIe$B$^$G$G!"$^[email protected](BRuby
e$B%l%Y%k$G$Oe(Bencodinge$B$7$+$J$$$H;W$$$^$9!#e(Bence$B$HN,$7$F$^$GC;$/$9e(B
e$B$k$b$N$G$O$J$$$N$G$O$J$$$+!"$H$O$^[email protected];W$C$F$$$^$9!#e(B

e$B>e$G$b=R$Y$^$7$?$,!";HMQIQEY$KBP$9$kA[Dj$,0[$J$C$F$$$k$N$,?)e(B
e$B$$0c$$$N860x$G$9$+$M$’!#e(B

e$B$"$H!"%b%8%e!<%kL>$,F0;le(B(detect)e$B$H$$$&$N$b>/$75$$K$J$j$^$9!#e(B
e$B!J$=$&$$$&$N$O$b$&$9$G$K$?$/$5$s$"$j$^$9$,!#!Ke(B

e$B:#2s$N$O$^$5$K$J$K$+$R$H$D$N$3$H$r9T$&%i%$%V%i%j$J$N$GF0;l$,e(B
e$BCf?H$rI=$7$F$$$k5$$,$7$^$9!#e(B

e$B5!G=$rA}$d$;$POC$OJQ$o$C$F$-$^$9$,!"$J$K$+$"$j$^$9$+$M$’!#e(B
e$B$U$`!"e(Bmagic comment [email protected]@.$9$k5!G=$H$+e(B?

Tanaka_A · February 22, 2008, 3:03pm

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

e$B$*8_$$$NA0Ds$,7k9=?)$$0c$C$F$$$k$3$H$O$o$+$j$^$7$?!#e(B
[email protected]!"$G!"$I$&$$$&J}8~$K8~$1$l$P<}B+$9$k$N$+$,$o$+$j$^$;e(B
e$B$s!#$I$&$7$h$&!#!#!#e(B

In [email protected]
“[ruby-dev:33906] Re: encdet.rb” on Fri, 22 Feb 2008 13:39:32 +0900,
Tanaka A. [email protected] wrote:

e$B%G%#%l%/%H%j$r3P$($k$H$$$&>u67$,$h$/$o$+$i$J$$$N$G$9$,!"$I$&e(B
e$B$$$&$H$-$K%G%#%l%/%H%j$r3P$($k$N$G$7$g$&$+!)Nc$($P!“e(B
net/http.rbe$B$r;H$&$H$-$Oe(Bnete$B%G%#%l%/%H%j$r3P$($k!”$H$$$&$3$H$Ge(B
e$B$7$g$&$+!)e(B

e$B$O$$!#3P$($F$$$J$$$He(B require e$B$N0z?t$r=q$1$^$;$s!#e(B

e$B$^$!!"=q$1$J$$$H$$$&[email protected]$$2a$.$+$b$7$l$^$;$s$,!“7P83>ee(B
test/unit e$B$Ge(B require e$B$r=q$/$H$-$K$$$/$i$+8MOG$C$?3P$($,$”$je(B
e$B$^$9!#e(B

e$B$?$V$s!“EDCf$5$s$OIaCJ!“e(B”#{e$B%b%8%e!<%kL>e(B.doncase}.rb"e$B$J$N$G:Ge(B
e$B=i$K$=$l$r;n$7$F!”<:GT$7$F!"$=$l$G8MOG$C$?$H$$$&[email protected]$He(B
e$BA[A|$7$F$$$^$9!#e(B

e$B$G$b!"e(Bnet/httpe$B$8$c$J$/$Fe([email protected]$C$?$i8MOG$o$J$$$H$+$$$&$b$Ne(B
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Tanaka_A · February 25, 2008, 9:02am

In article [email protected],
Kouhei S. [email protected] writes:

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Tanaka_A · February 26, 2008, 12:44pm

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In [email protected]
“[ruby-dev:33933] Re: encdet.rb” on Mon, 25 Feb 2008 17:01:13 +0900,
Tanaka A. [email protected] wrote:

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Tanaka_A · March 3, 2008, 9:30am

In article [email protected],
Kouhei S. [email protected] writes:

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