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Enhanced UTF-8/SJIS mapping generator, contributed by

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Eiji Tokuya" <e-tokuya@Mail.Sankyo-Unyu.co.jp>
This commit is contained in:
Tatsuo Ishii
2001-02-23 08:44:33 +00:00
parent a9a047e347
commit 5735c4cf3d
1 changed files with 38 additions and 25 deletions
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63
src/backend/utils/mb/Unicode/UCS_to_SJIS.pl
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@ -2,7 +2,7 @@
# #
# Copyright 2001 by PostgreSQL Global Development Group # Copyright 2001 by PostgreSQL Global Development Group
# #
# $Id: UCS_to_SJIS.pl,v 1.1 2000/10/30 10:40:29 ishii Exp $ # $Id: UCS_to_SJIS.pl,v 1.2 2001/02/23 08:44:33 ishii Exp $
# #
# Generate UTF-8 <--> SJIS code conversion tables from # Generate UTF-8 <--> SJIS code conversion tables from
# map files provided by Unicode organization. # map files provided by Unicode organization.
@ -21,29 +21,45 @@ require "ucs2utf.pl";
# first generate UTF-8 --> SJIS table # first generate UTF-8 --> SJIS table
$in_file = "SHIFTJIS.TXT"; $in_file = "CP932.TXT";
$count = 0;
open( FILE, $in_file ) || die( "cannot open $in_file" ); open( FILE, $in_file ) || die( "cannot open $in_file" );
while( <FILE> ){ while( <FILE> ){
chop; chop;
if( /^#/ ){ if( /^#/ ){
next; next;
} }
( $c, $u, $rest ) = split; ( $c, $u, $rest ) = split;
$ucs = hex($u); $ucs = hex($u);
$code = hex($c); $code = hex($c);
if( $code >= 0x80 && $ucs >= 0x100 ){ if( $code >= 0x80 && $ucs >= 0x100 ){
$utf = &ucs2utf($ucs); $utf = &ucs2utf($ucs);
if( $array{ $utf } ne "" ){ if((( $code >= 0xed40 )
printf STDERR "Warning: duplicate unicode: %04x\n",$ucs; && ( $code <= 0xeefc ))
next; || (( $code >= 0x8754 )
} &&( $code <= 0x875d ))
$count++; || ( $code == 0x878a )
|| ( $code == 0x8782 )
$array{ $utf } = $code; || ( $code == 0x8784 )
} || ( $code == 0xfa5b )
|| ( $code == 0xfa54 )
|| (( $code >= 0x8790 )
&& ( $code <= 0x8792 ))
|| (( $code >= 0x8795 )
&& ( $code <= 0x8797 ))
|| (( $code >= 0x879a )
&& ( $code <= 0x879c )))
{
printf STDERR "Warning: duplicate unicode : UCS=0x%04x SJIS=0x%04x\n",$ucs,$code;
next;
}
$count++;
$array{ $utf } = $code;
}
} }
close( FILE ); close( FILE );
# #
@ -57,7 +73,7 @@ print FILE "static pg_utf_to_local ULmapSJIS[ $count ] = {\n";
for $index ( sort {$a <=> $b} keys( %array ) ){ for $index ( sort {$a <=> $b} keys( %array ) ){
$code = $array{ $index }; $code = $array{ $index };
$count--; $count--;
if( $count == 0 ){ if( $count == 0 ){
printf FILE " {0x%04x, 0x%04x}\n", $index, $code; printf FILE " {0x%04x, 0x%04x}\n", $index, $code;
} else { } else {
printf FILE " {0x%04x, 0x%04x},\n", $index, $code; printf FILE " {0x%04x, 0x%04x},\n", $index, $code;
@ -68,12 +84,13 @@ print FILE "};\n";
close(FILE); close(FILE);
# #
# then generate EUC_JP --> UTF8 table # then generate SJIS --> UTF8 table
# #
open( FILE, $in_file ) || die( "cannot open $in_file" ); open( FILE, $in_file ) || die( "cannot open $in_file" );
reset 'array'; reset 'array';
$count = 0;
while( <FILE> ){ while( <FILE> ){
chop; chop;
@ -85,10 +102,6 @@ while( <FILE> ){
$code = hex($c); $code = hex($c);
if( $code >= 0x80 && $ucs >= 0x100 ){ if( $code >= 0x80 && $ucs >= 0x100 ){
$utf = &ucs2utf($ucs); $utf = &ucs2utf($ucs);
if( $array{ $code } ne "" ){
printf STDERR "Warning: duplicate code: %04x\n",$ucs;
next;
}
$count++; $count++;
$array{ $code } = $utf; $array{ $code } = $utf;