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<?php
/**
*
* @package phpBB3
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/
if
(
php_sapi_name
() !=
'
cli
'
)
{
die
(
"
This program must be run from the command line.
\n"
);
}
//
// Security message:
//
// This script is potentially dangerous.
// Remove or comment the next line (die(".... ) to enable this script.
// Do NOT FORGET to either remove this script or disable it after you have used it.
//
die
(
"
Please read the first lines of this script for instructions on how to enable it
"
);
set_time_limit
(
0
);
error_reporting
(
E_ALL
);
define
(
'
IN_PHPBB
'
,
true
);
$
phpbb_root_path
=
'
../
'
;
$
phpEx
=
substr
(
strrchr
(
__FILE__
,
'
.
'
),
1
);
/**
* Let's download some files we need
*/
download
(
'
http://www.unicode.org/Public/UNIDATA/NormalizationTest.txt
'
);
download
(
'
http://www.unicode.org/Public/UNIDATA/UnicodeData.txt
'
);
/**
* Those are the tests we run
*/
$
test_suite
=
array
(
/**
* NFC
* c2 == NFC(c1) == NFC(c2) == NFC(c3)
* c4 == NFC(c4) == NFC(c5)
*/
'
NFC
'
=>
array
(
'
c2
'
=>
array
(
'
c1
'
,
'
c2
'
,
'
c3
'
),
'
c4
'
=>
array
(
'
c4
'
,
'
c5
'
)
),
/**
* NFD
* c3 == NFD(c1) == NFD(c2) == NFD(c3)
* c5 == NFD(c4) == NFD(c5)
*/
'
NFD
'
=>
array
(
'
c3
'
=>
array
(
'
c1
'
,
'
c2
'
,
'
c3
'
),
'
c5
'
=>
array
(
'
c4
'
,
'
c5
'
)
),
/**
* NFKC
* c4 == NFKC(c1) == NFKC(c2) == NFKC(c3) == NFKC(c4) == NFKC(c5)
*/
'
NFKC
'
=>
array
(
'
c4
'
=>
array
(
'
c1
'
,
'
c2
'
,
'
c3
'
,
'
c4
'
,
'
c5
'
)
),
/**
* NFKD
* c5 == NFKD(c1) == NFKD(c2) == NFKD(c3) == NFKD(c4) == NFKD(c5)
*/
'
NFKD
'
=>
array
(
'
c5
'
=>
array
(
'
c1
'
,
'
c2
'
,
'
c3
'
,
'
c4
'
,
'
c5
'
)
)
);
require_once
(
$
phpbb_root_path
.
'
includes/utf/utf_normalizer.
'
.
$
phpEx
);
$
i
=
$
n
=
0
;
$
failed
=
false
;
$
tested_chars
=
array
();
$
fp
=
fopen
(
$
phpbb_root_path
.
'
develop/NormalizationTest.txt
'
,
'
rb
'
);
while
(!
feof
(
$
fp
))
{
$
line
=
fgets
(
$
fp
);
++
$
n
;
if
(
$
line
[
0
] ==
'
@
'
)
{
if
(
$
i
)
{
echo
"
done
\n"
;
}
$
i
=
0
;
echo
"\n"
,
substr
(
$
line
,
1
),
"\n\n"
;
continue
;
}
if
(!
strpos
(
'
0123456789ABCDEF
'
,
$
line
[
0
]))
{
continue
;
}
if
(++
$
i
%
100
==
0
)
{
echo
$
i
,
'
'
;
}
list
(
$
c1
,
$
c2
,
$
c3
,
$
c4
,
$
c5
) =
explode
(
'
;
'
,
$
line
);
if
(!
strpos
(
$
c1
,
'
'
))
{
/**
* We are currently testing a single character, we add it to the list of
* characters we have processed so that we can exclude it when testing
* for invariants
*/
$
tested_chars
[
$
c1
] =
1
;
}
foreach
(
$
test_suite
as
$
form
=>
$
serie
)
{
foreach
(
$
serie
as
$
expected
=>
$
tests
)
{
$
hex_expected
=
$
{
$
expected
};
$
utf_expected
=
hexseq_to_utf
(
$
hex_expected
);
foreach
(
$
tests
as
$
test
)
{
$
utf_result
=
$
utf_expected
;
call_user_func
(
array
(
'
utf_normalizer
'
,
$
form
),
$
utf_result
);
if
(
strcmp
(
$
utf_expected
,
$
utf_result
))
{
$
failed
=
true
;
$
hex_result
=
utf_to_hexseq
(
$
utf_result
);
echo
"\n
FAILED
$
expected
==
$
form
(
$
test
) (
$
hex_expected
!=
$
hex_result
)
"
;
}
}
}
if
(
$
failed
)
{
die
(
"\n\n
Failed at line
$
n
\n"
);
}
}
}
fclose
(
$
fp
);
/**
* Test for invariants
*/
echo
"\n\n
Testing for invariants...
\n\n"
;
$
fp
=
fopen
(
$
phpbb_root_path
.
'
develop/UnicodeData.txt
'
,
'
rt
'
);
$
n
=
0
;
while
(!
feof
(
$
fp
))
{
if
(++
$
n
%
100
==
0
)
{
echo
$
n
,
'
'
;
}
$
line
=
fgets
(
$
fp
,
1024
);
if
(!
$
pos
=
strpos
(
$
line
,
'
;
'
))
{
continue
;
}
$
hex_tested
=
$
hex_expected
=
substr
(
$
line
,
0
,
$
pos
);
if
(
isset
(
$
tested_chars
[
$
hex_tested
]))
{
continue
;
}
$
utf_expected
=
hex_to_utf
(
$
hex_expected
);
if
(
$
utf_expected
>=
UTF8_SURROGATE_FIRST
&&
$
utf_expected
<=
UTF8_SURROGATE_LAST
)
{
/**
* Surrogates are illegal on their own, we expect the normalizer
* to return a replacement char
*/
$
utf_expected
=
UTF8_REPLACEMENT
;
$
hex_expected
=
utf_to_hexseq
(
$
utf_expected
);
}
foreach
(
array
(
'
nfc
'
,
'
nfkc
'
,
'
nfd
'
,
'
nfkd
'
)
as
$
form
)
{
$
utf_result
=
$
utf_expected
;
utf_normalizer::
$
form
(
$
utf_result
);
$
hex_result
=
utf_to_hexseq
(
$
utf_result
);
// echo "$form($utf_expected) == $utf_result\n";
if
(
strcmp
(
$
utf_expected
,
$
utf_result
))
{
$
failed
=
1
;
echo
"\n
FAILED
$
hex_expected
==
$
form
(
$
hex_tested
) (
$
hex_expected
!=
$
hex_result
)
"
;
}
}
if
(
$
failed
)
{
die
(
"\n\n
Failed at line
$
n
\n"
);
}
}
fclose
(
$
fp
);
die
(
"\n\n
ALL TESTS PASSED SUCCESSFULLY
\n"
);
/**
* Download a file to the develop/ dir
*
* @param string $url URL of the file to download
* @return null
*/
function
download
(
$
url
)
{
global
$
phpbb_root_path
;
if
(
file_exists
(
$
phpbb_root_path
.
'
develop/
'
.
basename
(
$
url
)))
{
return
;
}
echo
'
Downloading from
'
,
$
url
,
'
'
;
if
(!
$
fpr
=
fopen
(
$
url
,
'
rb
'
))
{
die
(
"
Can't download from
$
url
\n
Please download it yourself and put it in the develop/ dir, kthxbai
"
);
}
if
(!
$
fpw
=
fopen
(
$
phpbb_root_path
.
'
develop/
'
.
basename
(
$
url
),
'
wb
'
))
{
die
(
"
Can't open develop/
"
.
basename
(
$
url
) .
"
for output... please check your permissions or something
"
);
}
$
i
=
0
;
$
chunk
=
32768
;
$
done
=
''
;
while
(!
feof
(
$
fpr
))
{
$
i
+=
fwrite
(
$
fpw
,
fread
(
$
fpr
,
$
chunk
));
echo
str_repeat
(
"\x08"
,
strlen
(
$
done
));
$
done
= (
$
i
>>
10
) .
'
KiB
'
;
echo
$
done
;
}
fclose
(
$
fpr
);
fclose
(
$
fpw
);
echo
"\n"
;
}
/**
* Convert a UTF string to a sequence of codepoints in hexadecimal
*
* @param string $utf UTF string
* @return integer Unicode codepoints in hex
*/
function
utf_to_hexseq
(
$
str
)
{
$
pos
=
0
;
$
len
=
strlen
(
$
str
);
$
ret
=
array
();
while
(
$
pos
<
$
len
)
{
$
c
=
$
str
[
$
pos
];
switch
(
$
c
&
"\xF0"
)
{
case
"\xC0"
:
case
"\xD0"
:
$
utf_char
=
substr
(
$
str
,
$
pos
,
2
);
$
pos
+=
2
;
break
;
case
"\xE0"
:
$
utf_char
=
substr
(
$
str
,
$
pos
,
3
);
$
pos
+=
3
;
break
;
case
"\xF0"
:
$
utf_char
=
substr
(
$
str
,
$
pos
,
4
);
$
pos
+=
4
;
break
;
default
:
$
utf_char
=
$
c
;
++
$
pos
;
}
$
hex
=
dechex
(
utf_to_cp
(
$
utf_char
));
if
(!
isset
(
$
hex
[
3
]))
{
$
hex
=
substr
(
'
000
'
.
$
hex
, -
4
);
}
$
ret
[] =
$
hex
;
}
return
strtr
(
implode
(
'
'
,
$
ret
),
'
abcdef
'
,
'
ABCDEF
'
);
}
/**
* Convert a UTF-8 char to its codepoint
*
* @param string $utf_char UTF-8 char
* @return integer Unicode codepoint
*/
function
utf_to_cp
(
$
utf_char
)
{
switch
(
strlen
(
$
utf_char
))
{
case
1
:
return
ord
(
$
utf_char
);
case
2
:
return
((
ord
(
$
utf_char
[
0
]) &
0x1F
) <<
6
) | (
ord
(
$
utf_char
[
1
]) &
0x3F
);
case
3
:
return
((
ord
(
$
utf_char
[
0
]) &
0x0F
) <<
12
) | ((
ord
(
$
utf_char
[
1
]) &
0x3F
) <<
6
) | (
ord
(
$
utf_char
[
2
]) &
0x3F
);
case
4
:
return
((
ord
(
$
utf_char
[
0
]) &
0x07
) <<
18
) | ((
ord
(
$
utf_char
[
1
]) &
0x3F
) <<
12
) | ((
ord
(
$
utf_char
[
2
]) &
0x3F
) <<
6
) | (
ord
(
$
utf_char
[
3
]) &
0x3F
);
default
:
die
(
'
UTF-8 chars can only be 1-4 bytes long
'
);
}
}
/**
* Return a UTF string formed from a sequence of codepoints in hexadecimal
*
* @param string $seq Sequence of codepoints, separated with a space
* @return string UTF-8 string
*/
function
hexseq_to_utf
(
$
seq
)
{
return
implode
(
''
,
array_map
(
'
hex_to_utf
'
,
explode
(
'
'
,
$
seq
)));
}
/**
* Convert a codepoint in hexadecimal to a UTF-8 char
*
* @param string $hex Codepoint, in hexadecimal
* @return string UTF-8 char
*/
function
hex_to_utf
(
$
hex
)
{
return
cp_to_utf
(
hexdec
(
$
hex
));
}
/**
* Convert a codepoint to a UTF-8 char
*
* @param integer $cp Unicode codepoint
* @return string UTF-8 string
*/
function
cp_to_utf
(
$
cp
)
{
if
(
$
cp
>
0xFFFF
)
{
return
chr
(
0xF0
| (
$
cp
>>
18
)) .
chr
(
0x80
| ((
$
cp
>>
12
) &
0x3F
)) .
chr
(
0x80
| ((
$
cp
>>
6
) &
0x3F
)) .
chr
(
0x80
| (
$
cp
&
0x3F
));
}
else
if
(
$
cp
>
0x7FF
)
{
return
chr
(
0xE0
| (
$
cp
>>
12
)) .
chr
(
0x80
| ((
$
cp
>>
6
) &
0x3F
)) .
chr
(
0x80
| (
$
cp
&
0x3F
));
}
else
if
(
$
cp
>
0x7F
)
{
return
chr
(
0xC0
| (
$
cp
>>
6
)) .
chr
(
0x80
| (
$
cp
&
0x3F
));
}
else
{
return
chr
(
$
cp
);
}
}
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