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|
#! /usr/bin/perl
#
# Copyright (c) 2001-2013, PostgreSQL Global Development Group
#
# src/backend/utils/mb/Unicode/UCS_to_SJIS.pl
#
# 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 = "CP932.TXT";
$count = 0;
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 >= 0x0080)
{
$utf = &ucs2utf($ucs);
if ((($code >= 0xed40) && ($code <= 0xeefc))
|| ( ($code >= 0x8754)
&& ($code <= 0x875d))
|| ($code == 0x878a)
|| ($code == 0x8782)
|| ($code == 0x8784)
|| ($code == 0xfa5b)
|| ($code == 0xfa54)
|| ( ($code >= 0x8790)
&& ($code <= 0x8792))
|| ( ($code >= 0x8795)
&& ($code <= 0x8797))
|| ( ($code >= 0x879a)
&& ($code <= 0x879c)))
{
printf STDERR
"Warning: duplicate UTF8 : UCS=0x%04x SJIS=0x%04x\n", $ucs,
$code;
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 SJIS --> UTF8 table
#
open(FILE, $in_file) || die("cannot open $in_file");
reset 'array';
$count = 0;
while (<FILE>)
{
chop;
if (/^#/)
{
next;
}
($c, $u, $rest) = split;
$ucs = hex($u);
$code = hex($c);
if ($code >= 0x80 && $ucs >= 0x0080)
{
$utf = &ucs2utf($ucs);
$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);
|
