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#! /usr/perl5/bin/perl
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy is of the CDDL is also available via the Internet
# at http://www.illumos.org/license/CDDL.
#
#
# Copyright 2010 Nexenta Systems, Inc. All rights reserved.
#
# This converts MAPPING files to localedef character maps
# suitable for use with the UTF-8 derived localedef data.
sub ucs_to_utf8
{
my $ucs = shift;
my $utf8;
if ($ucs <= 0x7f) {
$utf8 = sprintf("\\x%02X", $ucs).$utf8;
} elsif ($ucs <= 0x7ff) {
$utf8 = sprintf("\\x%02X", ($ucs & 0x3f) | 0x80).$utf8;
$ucs >>= 6;
$utf8 = sprintf("\\x%02X", $ucs | 0xc0).$utf8;
} elsif ($ucs <= 0xffff) {
$utf8 = sprintf("\\x%02X", ($ucs & 0x3f) | 0x80).$utf8;
$ucs >>= 6;
$utf8 = sprintf("\\x%02X", ($ucs & 0x3f) | 0x80).$utf8;
$ucs >>= 6;
$utf8 = sprintf("\\x%02X", $ucs | 0xe0).$utf8;
} elsif ($ucs <= 0x1fffff) {
$utf8 = sprintf("\\x%02X", ($ucs & 0x3f) | 0x80).$utf8;
$ucs >>= 6;
$utf8 = sprintf("\\x%02X", ($ucs & 0x3f) | 0x80).$utf8;
$ucs >>= 6;
$utf8 = sprintf("\\x%02X", ($ucs & 0x3f) | 0x80).$utf8;
$ucs >>= 6;
$utf8 = sprintf("\\x%02X", $ucs | 0xf0).$utf8;
} elsif ($ucs <= 0x03ffffff) {
$utf8 = sprintf("\\x%02X", ($ucs & 0x3f) | 0x80).$utf8;
$ucs >>= 6;
$utf8 = sprintf("\\x%02X", ($ucs & 0x3f) | 0x80).$utf8;
$ucs >>= 6;
$utf8 = sprintf("\\x%02X", ($ucs & 0x3f) | 0x80).$utf8;
$ucs >>= 6;
$utf8 = sprintf("\\x%02X", ($ucs & 0x3f) | 0x80).$utf8;
$ucs >>= 6;
$utf8 = sprintf("\\x%02X", $ucs | 0xf8).$utf8;
} else {
$utf8 = sprintf("\\x%02X", ($ucs & 0x3f) | 0x80).$utf8;
$ucs >>= 6;
$utf8 = sprintf("\\x%02X", ($ucs & 0x3f) | 0x80).$utf8;
$ucs >>= 6;
$utf8 = sprintf("\\x%02X", ($ucs & 0x3f) | 0x80).$utf8;
$ucs >>= 6;
$utf8 = sprintf("\\x%02X", ($ucs & 0x3f) | 0x80).$utf8;
$ucs >>= 6;
$utf8 = sprintf("\\x%02X", ($ucs & 0x3f) | 0x80).$utf8;
$ucs >>= 6;
$utf8 = sprintf("\\x%02X", $ucs | 0xf8).$utf8;
}
return ($utf8);
}
my %unames;
my %uvalues;
#
# This is not a general purpose Character Map parser, but its good enough
# for the stock one supplied with CLDR.
#
sub load_utf8_cm
{
my $file = shift;
open(UTF8, "$file") || die "open";
while (<UTF8>) {
next if (/^#/);
next if (/^\s*$/);
next if (/^\s*CHARMAP\s*$/);
next if (/^\s*END\s*CHARMAP\s*$/);
chomp;
@words = split /\s+/;
$name = $words[0];
$utf8val = $words[1];
if (defined($unames{$utf8val})) {
$unames{$utf8val} .= "\n" .$name;
} else {
$unames{$utf8val} = $name;
}
$uvalues{$name} = $utf8val;
}
close(UTF8);
}
my %map;
sub load_map
{
my $file = shift;
open(MAP, "$file") || die "open";
while (<MAP>) {
next if (/^#/);
next if (/^\s*$/);
chomp;
@words = split /\s+/;
$utf8 = $words[1];
$utf8 =~ s/^\\x[0]*//;
$utf8 = ucs_to_utf8(hex($utf8));
$val = $words[0];
if (defined ($map{$val})) {
$map{$val} .= " ".$utf8;
} else {
$map{$val} = $utf8;
}
}
}
sub mb_str
{
my $val = shift;
my $str = "";
$val = hex($val);
if ($val == 0) {
return ("\\x00");
}
while ($val) {
$str = sprintf("\\x%02x", $val & 0xff).$str;
$val >>= 8;
}
return ($str);
}
$mf = shift(@ARGV);
load_utf8_cm("data/UTF-8.cm");
load_map($mf);
print("CHARMAP\n");
foreach $val (sort (keys (%map))) {
#$utf8 = $map{$val};
foreach $utf8 (split / /, $map{$val}) {
$ref = $unames{$utf8};
foreach $name (sort (split /\n/, $ref)) {
print "$name";
my $nt = int((64 - length($name) + 7) / 8);
while ($nt) {
print "\t";
$nt--;
}
print mb_str($val)."\n";
}
}
}
print "END CHARMAP\n";
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