diff options
Diffstat (limited to 'src/backend/utils/mb/Unicode/UCS_to_SJIS.pl')
-rwxr-xr-x | src/backend/utils/mb/Unicode/UCS_to_SJIS.pl | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/backend/utils/mb/Unicode/UCS_to_SJIS.pl b/src/backend/utils/mb/Unicode/UCS_to_SJIS.pl new file mode 100755 index 00000000000..c4a890c2b57 --- /dev/null +++ b/src/backend/utils/mb/Unicode/UCS_to_SJIS.pl @@ -0,0 +1,113 @@ +#! /usr/bin/perl +# +# Copyright 2001 by PostgreSQL Global Development Group +# +# $Id: UCS_to_SJIS.pl,v 1.1 2000/10/30 10:40:29 ishii Exp $ +# +# Generate UTF-8 <--> SJIS code conversion tables from +# map files provided by Unicode organization. +# Unfortunately it is prohibited by the organization +# to distribute the map files. So if you try to use this script, +# you have to obtain SHIFTJIS.TXT from +# the organization's ftp site. +# +# SHIFTJIS.TXT format: +# SHIFTJIS code in hex +# UCS-2 code in hex +# # and Unicode name (not used in this script) +# Warning: SHIFTJIS.TXT contains only JIS0201 and JIS0208. no JIS0212. + +require "ucs2utf.pl"; + +# first generate UTF-8 --> SJIS table + +$in_file = "SHIFTJIS.TXT"; + +open( FILE, $in_file ) || die( "cannot open $in_file" ); + +while( <FILE> ){ + chop; + if( /^#/ ){ + next; + } + ( $c, $u, $rest ) = split; + $ucs = hex($u); + $code = hex($c); + if( $code >= 0x80 && $ucs >= 0x100 ){ + $utf = &ucs2utf($ucs); + if( $array{ $utf } ne "" ){ + printf STDERR "Warning: duplicate unicode: %04x\n",$ucs; + next; + } + $count++; + + $array{ $utf } = $code; + } +} +close( FILE ); + +# +# first, generate UTF8 --> SJIS table +# + +$file = "utf8_to_sjis.map"; +open( FILE, "> $file" ) || die( "cannot open $file" ); +print FILE "static pg_utf_to_local ULmapSJIS[ $count ] = {\n"; + +for $index ( sort {$a <=> $b} keys( %array ) ){ + $code = $array{ $index }; + $count--; + if( $count == 0 ){ + printf FILE " {0x%04x, 0x%04x}\n", $index, $code; + } else { + printf FILE " {0x%04x, 0x%04x},\n", $index, $code; + } +} + +print FILE "};\n"; +close(FILE); + +# +# then generate EUC_JP --> UTF8 table +# + +open( FILE, $in_file ) || die( "cannot open $in_file" ); + +reset 'array'; + +while( <FILE> ){ + chop; + if( /^#/ ){ + next; + } + ( $c, $u, $rest ) = split; + $ucs = hex($u); + $code = hex($c); + if( $code >= 0x80 && $ucs >= 0x100 ){ + $utf = &ucs2utf($ucs); + if( $array{ $code } ne "" ){ + printf STDERR "Warning: duplicate code: %04x\n",$ucs; + next; + } + $count++; + + $array{ $code } = $utf; + } +} +close( FILE ); + +$file = "sjis_to_utf8.map"; +open( FILE, "> $file" ) || die( "cannot open $file" ); +print FILE "static pg_local_to_utf LUmapSJIS[ $count ] = {\n"; +for $index ( sort {$a <=> $b} keys( %array ) ){ + $utf = $array{ $index }; + $count--; + if( $count == 0 ){ + printf FILE " {0x%04x, 0x%04x}\n", $index, $utf; + } else { + printf FILE " {0x%04x, 0x%04x},\n", $index, $utf; + } +} + +print FILE "};\n"; +close(FILE); |