127 lines
2.8 KiB
Perl
Executable File
127 lines
2.8 KiB
Perl
Executable File
#! /usr/bin/perl
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#
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# Copyright (c) 2001-2003, PostgreSQL Global Development Group
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#
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# $PostgreSQL: pgsql/src/backend/utils/mb/Unicode/UCS_to_SJIS.pl,v 1.5 2003/11/29 22:40:01 pgsql Exp $
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#
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# Generate UTF-8 <--> SJIS code conversion tables from
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# map files provided by Unicode organization.
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# Unfortunately it is prohibited by the organization
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# to distribute the map files. So if you try to use this script,
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# you have to obtain SHIFTJIS.TXT from
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# the organization's ftp site.
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#
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# SHIFTJIS.TXT format:
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# SHIFTJIS code in hex
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# UCS-2 code in hex
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# # and Unicode name (not used in this script)
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# Warning: SHIFTJIS.TXT contains only JIS0201 and JIS0208. no JIS0212.
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require "ucs2utf.pl";
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# first generate UTF-8 --> SJIS table
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$in_file = "CP932.TXT";
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$count = 0;
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open( FILE, $in_file ) || die( "cannot open $in_file" );
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while( <FILE> ){
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chop;
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if( /^#/ ){
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next;
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}
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( $c, $u, $rest ) = split;
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$ucs = hex($u);
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$code = hex($c);
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if( $code >= 0x80 && $ucs >= 0x0080 ){
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$utf = &ucs2utf($ucs);
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if((( $code >= 0xed40 )
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&& ( $code <= 0xeefc ))
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|| (( $code >= 0x8754 )
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&&( $code <= 0x875d ))
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|| ( $code == 0x878a )
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|| ( $code == 0x8782 )
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|| ( $code == 0x8784 )
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|| ( $code == 0xfa5b )
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|| ( $code == 0xfa54 )
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|| (( $code >= 0x8790 )
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&& ( $code <= 0x8792 ))
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|| (( $code >= 0x8795 )
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&& ( $code <= 0x8797 ))
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|| (( $code >= 0x879a )
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&& ( $code <= 0x879c )))
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{
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printf STDERR "Warning: duplicate unicode : UCS=0x%04x SJIS=0x%04x\n",$ucs,$code;
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next;
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}
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$count++;
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$array{ $utf } = $code;
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}
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}
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close( FILE );
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#
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# first, generate UTF8 --> SJIS table
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#
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$file = "utf8_to_sjis.map";
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open( FILE, "> $file" ) || die( "cannot open $file" );
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print FILE "static pg_utf_to_local ULmapSJIS[ $count ] = {\n";
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for $index ( sort {$a <=> $b} keys( %array ) ){
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$code = $array{ $index };
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$count--;
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if( $count == 0 ){
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printf FILE " {0x%04x, 0x%04x}\n", $index, $code;
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} else {
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printf FILE " {0x%04x, 0x%04x},\n", $index, $code;
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}
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}
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print FILE "};\n";
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close(FILE);
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#
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# then generate SJIS --> UTF8 table
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#
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open( FILE, $in_file ) || die( "cannot open $in_file" );
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reset 'array';
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$count = 0;
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while( <FILE> ){
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chop;
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if( /^#/ ){
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next;
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}
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( $c, $u, $rest ) = split;
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$ucs = hex($u);
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$code = hex($c);
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if( $code >= 0x80 && $ucs >= 0x0080 ){
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$utf = &ucs2utf($ucs);
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$count++;
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$array{ $code } = $utf;
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}
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}
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close( FILE );
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$file = "sjis_to_utf8.map";
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open( FILE, "> $file" ) || die( "cannot open $file" );
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print FILE "static pg_local_to_utf LUmapSJIS[ $count ] = {\n";
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for $index ( sort {$a <=> $b} keys( %array ) ){
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$utf = $array{ $index };
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$count--;
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if( $count == 0 ){
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printf FILE " {0x%04x, 0x%04x}\n", $index, $utf;
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} else {
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printf FILE " {0x%04x, 0x%04x},\n", $index, $utf;
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}
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}
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print FILE "};\n";
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close(FILE);
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