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## Copyright (C) 1996,1998
## Copyright (C) 2002
## $BO"Mm@h!'(B $BN05eBg3X>pJs9)3X2J(B $B2OLn(B $B??<#(B mime/X0208 support
## $B!J(BE-Mail Address: kono@ie.u-ryukyu.ac.jp$B!K(B
## $BO"Mm@h!'(B COW for DOS & Win16 & Win32 & OS/2
## $B!J(BE-Mail Address: GHG00637@niftyserve.or.p$B!K(B
##
## $B$3$N%=!<%9$N$$$+$J$kJ#<L!$2~JQ!$=$@5$b5vBz$7$^$9!#$?$@$7!"(B
## $B$=$N:]$K$O!"C/$,9W8%$7$?$r<($9$3$NItJ,$r;D$9$3$H!#(B
## $B:FG[I[$d;(;o$NIUO?$J$I$NLd$$9g$o$;$bI,MW$"$j$^$;$s!#(B
## $B1DMxMxMQ$b>e5-$KH?$7$J$$HO0O$G5v2D$7$^$9!#(B
## $B%P%$%J%j$NG[I[$N:]$K$O(Bversion message$B$rJ]B8$9$k$3$H$r>r7o$H$7$^$9!#(B
## $B$3$N%W%m%0%i%`$K$D$$$F$OFC$K2?$NJ]>Z$b$7$J$$!"0-$7$+$i$:!#(B
##
## Everyone is permitted to do anything on this program
## including copying, modifying, improving,
## as long as you don't try to pretend that you wrote it.
## i.e., the above copyright notice has to appear in all copies.
## Binar y distribution requires original version messages.
## You don't have to ask before copying, redistribution or publishing.
## THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE.
package NKF;
use strict;
use vars qw($VERSION @ISA @EXPORT @EXPORT_OK);
require Exporter;
require DynaLoader;
@ISA = qw(Exporter DynaLoader);
# Items to export into callers namespace by default. Note: do not export
# names by default without a very good reason. Use EXPORT_OK instead.
# Do not simply export all your public functions/methods/constants.
@EXPORT = qw(
nkf nkf_continue inputcode
);
$VERSION = '2.07';
bootstrap NKF $VERSION;
# Preloaded methods go here.
# Autoload methods go after =cut, and are processed by the autosplit program.
1;
__END__
#
# =begin $B$+$i(B =begin COMMAND $B$^$G$O(B Perl/NKF $B$N%I%-%e%a%s%H(B
# =begin COMMAND $B$+$i(B =end $B$^$G$O(B nkf $B%3%^%s%I$N%I%-%e%a%s%H(B
#
=head1 NAME
=begin
NKF - Perl extension for Network Kanji Filter
=begin COMMAND
nkf - Network Kanji Filter
=end
=head1 SYNOPSIS
=begin
use NKF;
$output = nkf("-s",$input);
=begin COMMAND
nkf B<[-butjnesliohrTVvwWJESZxXFfmMBOcdILg]> B<[>I<file ...>B<]>
=end
=head1 DESCRIPTION
=begin
This is a Perl Extension version of nkf (Netowrk Kanji Filter).
It converts the last argument and return converted result. Conversion
details are specified by flags before the last argument.
=end
B<Nkf> is a yet another kanji code converter among networks, hosts and terminals.
It converts input kanji code to designated kanji code
such as ISO-2022-JP, Shift_JIS, EUC-JP, UTF-8 or UTF-16.
One of the most unique faculty of B<nkf> is the guess of the input kanji encodings.
It currently recognizes ISO-2022-JP, Shift_JIS, EUC-JP, UTF-8 and UTF-16.
So users needn't set the input kanji code explicitly.
By default, X0201 kana is converted into X0208 kana.
For X0201 kana, SO/SI, SSO and ESC-(-I methods are supported.
For automatic code detection, nkf assumes no X0201 kana in Shift_JIS.
To accept X0201 in Shift_JIS, use B<-X>, B<-x> or B<-S>.
=head1 OPTIONS
=over
=item B<-b -u>
Output is buffered (DEFAULT), Output is unbuffered.
=item B<-j -s -e -w -w16>
Output code is ISO-2022-JP (7bit JIS), Shift_JIS, EUC-JP,
UTF-8N, UTF-16BE.
Without this option and compile option, ISO-2022-JP is assumed.
=item B<-J -S -E -W -W16>
Input assumption is JIS 7 bit, Shift_JIS, EUC-JP,
UTF-8, UTF-16LE.
=over
=item B<-J>
Assume JIS input. It also accepts EUC-JP.
This is the default. This flag does not exclude Shift_JIS.
=item B<-S>
Assume Shift_JIS and X0201 kana input. It also accepts JIS.
EUC-JP is recognized as X0201 kana. Without B<-x> flag,
X0201 kana (halfwidth kana) is converted into X0208.
=item B<-E>
Assume EUC-JP input. It also accepts JIS.
Same as -J.
=back
=item B<-t>
No conversion.
=item B<-i[@B]>
Specify the Esc Seq for JIS X 0208-1978/83. (DEFAULT B)
=item B<-o[BJH]>
Specify the Esc Seq for ASCII/Roman. (DEFAULT B)
=item B<-r>
{de/en}crypt ROT13/47
=item B<-h[123] --hiragana --katakana --katakana-hiragana>
=over
=item B<-h1 --hiragana>
Katakana to Hiragana conversion.
=item B<-h2 --katakana>
Hiragana to Katakana conversion.
=item B<-h3 --katakana-hiragana>
Katakana to Hiragana and Hiragana to Katakana conversion.
=back
=item B<-T>
Text mode output (MS-DOS)
=item B<-l>
ISO8859-1 (Latin-1) support
=item B<-f[I<m> [- I<n>]]>
Folding on I<m> length with I<n> margin in a line.
Without this option, fold length is 60 and fold margin is 10.
=item B<-F>
New line preserving line folding.
=item B<-Z[0-3]>
Convert X0208 alphabet (Fullwidth Alphabets) to ASCII.
=over
=item B<-Z -Z0>
Convert X0208 alphabet to ASCII.
=item B<-Z1>
Converts X0208 kankaku to single ASCII space.
=item B<-Z2>
Converts X0208 kankaku to double ASCII spaces.
=item B<-Z3>
Replacing Fullwidth >, <, ", & into '>', '<', '"', '&' as in HTML.
=back
=item B<-X -x>
Assume X0201 kana in MS-Kanji.
With B<-X> or without this option, X0201 is converted into X0208 Kana.
With B<-x>, try to preserve X0208 kana and do not convert X0201 kana to X0208.
In JIS output, ESC-(-I is used. In EUC output, SSO is used.
=item B<-B[0-2]>
Assume broken JIS-Kanji input, which lost ESC.
Useful when your site is using old B-News Nihongo patch.
=over
=item B<-B1>
allows any char after ESC-( or ESC-$.
=item B<-B2>
forces ASCII after NL.
=back
=item B<-I>
Replacing non iso-2022-jp char into a geta character
(substitute character in Japanese).
=item B<-m[BQN0]>
MIME ISO-2022-JP/ISO8859-1 decode. (DEFAULT)
To see ISO8859-1 (Latin-1) -l is necessary.
=over
=item B<-mB>
Decode MIME base64 encoded stream. Remove header or other part before
conversion.
=item B<-mQ>
Decode MIME quoted stream. '_' in quoted stream is converted to space.
=item B<-mN>
Non-strict decoding.
It allows line break in the middle of the base64 encoding.
=item B<-m0>
No MIME decode.
=back
=item B<-M>
MIME encode. Header style. All ASCII code and control characters are intact.
=over
=item B<-MB>
MIME encode Base64 stream.
Kanji conversion is performed before encoding, so this cannot be used as a picture encoder.
=item B<-MQ>
Perfome quoted encoding.
=back
=item B<-l>
Input and output code is ISO8859-1 (Latin-1) and ISO-2022-JP.
B<-s>, B<-e> and B<-x> are not compatible with this option.
=item B<-L[uwm] -d -c>
Convert line breaks.
=over
=item B<-Lu -d>
unix (LF)
=item B<-Lw -c>
windows (CRLF)
=item B<-Lm>
mac (CR)
Without this option, nkf doesn't convert line breaks.
=back
=item B<--fj --unix --mac --msdos --windows>
convert for these system
=item B<--jis --euc --sjis --mime --base64>
convert for named code
=item B<--jis-input --euc-input --sjis-input --mime-input --base64-input>
assume input system
=item B<--ic=I<input codeset> --oc=I<output codeset>>
Set the input or output codeset.
NKF supports following codesets and those codeset name are case insensitive.
=over
=item ISO-2022-JP
a.k.a. RFC1468, 7bit JIS, JUNET
=item EUC-JP (eucJP-nkf)
a.k.a. AT&T JIS, Japanese EUC, UJIS
=item eucJP-ascii
=item eucJP-ms
=item CP51932
Microsoft Version of EUC-JP.
=item Shift_JIS
a.k.a. SJIS, MS-Kanji
=item CP932
a.k.a. Windows-31J
=item UTF-8
same as UTF-8N
=item UTF-8N
UTF-8 without BOM
=item UTF-8-BOM
UTF-8 with BOM
=item UTF-16
same as UTF-16BE
=item UTF-16BE
UTF-16 Big Endian without BOM
=item UTF-16BE-BOM
UTF-16 Big Endian with BOM
=item UTF-16LE
UTF-16 Little Endian without BOM
=item UTF-16LE-BOM
UTF-16 Little Endian with BOM
=item UTF8-MAC (input only)
=back
=item B<--fb-{skip, html, xml, perl, java, subchar}>
Specify the way that nkf handles unassigned characters.
Without this option, --fb-skip is assumed.
=item B<--prefix=I<escape character>I<target character>..>
When nkf converts to Shift_JIS,
nkf adds a specified escape character to specified 2nd byte of Shift_JIS characters.
1st byte of argument is the escape character and following bytes are target characters.
=item B<--no-cp932ext>
Handle the characters extended in CP932 as unassigned characters.
=item B<--no-best-fit-chars>
When Unicode to Encoded byte conversion,
don't convert characters which is not round trip safe.
When Unicode to Unicode conversion,
with this and -x option, nkf can be used as UTF converter.
(In other words, without this and -x option, nkf doesn't save some characters)
When nkf convert string which related to path, you should use this opion.
=item B<--cap-input>
Decode hex encoded characters.
=item B<--url-input>
Unescape percent escaped characters.
=item B<--numchar-input>
Decode character reference, such as "&#....;".
=begin COMMAND
=item B<--in-place[=>I<SUFFIX>B<]> B<--overwrite[=>I<SUFFIX>B<]>
Overwrite B<original> listed files by filtered result.
B<Note> --overwrite preserves timestamp of original files.
=item B<--guess>
Print guessed encoding.
=item B<--help>
Print nkf's help.
=item B<--version>
Print nkf's version.
=end
=item B<-->
Ignore rest of -option.
=back
=head1 AUTHOR
Copyright (C) 1987, FUJITSU LTD. (I.Ichikawa),2000 S. Kono, COW
Copyright (C) 2002-2006 Kono, Furukawa, Naruse, mastodon
=begin
=head1 SEE ALSO
perl(1). nkf(1)
=end
=cut