#! /usr/local/bin/perl -w
# vim: tabstop=4
# vim: syntax=perl
use
strict;
use
Test;
BEGIN {
plan
tests
=> 7;
}
use
Locale::Recode;
sub
int2utf8;
my
$local2ucs
= {};
my
$ucs2local
= {};
while
(<DATA>) {
my
(
$code
,
$ucs
,
undef
) =
map
{
oct
$_
}
split
/\s+/,
$_
;
$local2ucs
->{
$code
} =
$ucs
;
$ucs2local
->{
$ucs
} =
$code
unless
$ucs
== 0xfffd;
}
my
$cd_int
= Locale::Recode->new (
from
=>
'ISO_5428'
,
to
=>
'INTERNAL'
);
ok !
$cd_int
->getError;
my
$cd_utf8
= Locale::Recode->new (
from
=>
'ISO_5428'
,
to
=>
'UTF-8'
);
ok !
$cd_utf8
->getError;
my
$cd_rev
= Locale::Recode->new (
from
=>
'INTERNAL'
,
to
=>
'ISO_5428'
);
ok !
$cd_rev
->getError;
# Convert into internal representation.
my
$result_int
= 1;
while
(
my
(
$code
,
$ucs
) =
each
%$local2ucs
) {
my
$outbuf
=
chr
$code
;
my
$result
=
$cd_int
->recode (
$outbuf
);
unless
(
$result
&&
$outbuf
->[0] ==
$ucs
) {
$result_int
= 0;
last
;
}
}
ok
$result_int
;
# Convert to UTF-8.
my
$result_utf8
= 1;
while
(
my
(
$code
,
$ucs
) =
each
%$local2ucs
) {
my
$outbuf
=
chr
$code
;
my
$result
=
$cd_utf8
->recode (
$outbuf
);
unless
(
$result
&&
$outbuf
eq int2utf8
$ucs
) {
$result_utf8
= 0;
last
;
}
}
ok
$result_utf8
;
# Convert from internal representation.
my
$result_rev
= 1;
while
(
my
(
$ucs
,
$code
) =
each
%$ucs2local
) {
my
$outbuf
= [
$ucs
];
my
$result
=
$cd_rev
->recode (
$outbuf
);
unless
(
$result
&&
$code
==
ord
$outbuf
) {
$result_int
= 0;
last
;
}
}
ok
$result_int
;
# Check handling of unknown characters.
my
$test_string1
= [
unpack
'c*'
,
' Supergirl '
];
$test_string1
->[0] = 0xad0be;
$test_string1
->[-1] = 0xad0be;
my
$test_string2
= [
unpack
'c*'
,
'Supergirl'
];
my
$unknown
=
"\x3f"
;
# Unknown character!
$cd_rev
= Locale::Recode->new (
from
=>
'INTERNAL'
,
to
=>
'ISO_5428'
,
)
&&
$cd_rev
->recode (
$test_string1
)
&&
$cd_rev
->recode (
$test_string2
)
&& (
$test_string2
=
$unknown
.
$test_string2
.
$unknown
);
ok
$test_string1
eq
$test_string2
;
sub
int2utf8
{
my
$ucs4
=
shift
;
if
(
$ucs4
<= 0x7f) {
return
chr
$ucs4
;
}
elsif
(
$ucs4
<= 0x7ff) {
return
pack
(
"C2"
,
(0xc0 | ((
$ucs4
>> 6) & 0x1f)),
(0x80 | (
$ucs4
& 0x3f)));
}
elsif
(
$ucs4
<= 0xffff) {
return
pack
(
"C3"
,
(0xe0 | ((
$ucs4
>> 12) & 0xf)),
(0x80 | ((
$ucs4
>> 6) & 0x3f)),
(0x80 | (
$ucs4
& 0x3f)));
}
elsif
(
$ucs4
<= 0x1fffff) {
return
pack
(
"C4"
,
(0xf0 | ((
$ucs4
>> 18) & 0x7)),
(0x80 | ((
$ucs4
>> 12) & 0x3f)),
(0x80 | ((
$ucs4
>> 6) & 0x3f)),
(0x80 | (
$ucs4
& 0x3f)));
}
elsif
(
$ucs4
<= 0x3ffffff) {
return
pack
(
"C5"
,
(0xf0 | ((
$ucs4
>> 24) & 0x3)),
(0x80 | ((
$ucs4
>> 18) & 0x3f)),
(0x80 | ((
$ucs4
>> 12) & 0x3f)),
(0x80 | ((
$ucs4
>> 6) & 0x3f)),
(0x80 | (
$ucs4
& 0x3f)));
}
else
{
return
pack
(
"C6"
,
(0xf0 | ((
$ucs4
>> 30) & 0x3)),
(0x80 | ((
$ucs4
>> 24) & 0x1)),
(0x80 | ((
$ucs4
>> 18) & 0x3f)),
(0x80 | ((
$ucs4
>> 12) & 0x3f)),
(0x80 | ((
$ucs4
>> 6) & 0x3f)),
(0x80 | (
$ucs4
& 0x3f)));
}
}
#Local Variables:
#mode: perl
#perl-indent-level: 4
#perl-continued-statement-offset: 4
#perl-continued-brace-offset: 0
#perl-brace-offset: -4
#perl-brace-imaginary-offset: 0
#perl-label-offset: -4
#tab-width: 4
#End:
__DATA__
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