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phpbb/phpBB/develop/generate_utf_casefold.php at develop · phpbb-es/phpbb · GitHub
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generate_utf_casefold.php
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develop
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generate_utf_casefold.php
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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
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
);
define
(
'
IN_PHPBB
'
,
true
);
$
phpbb_root_path
=
'
../
'
;
$
phpEx
=
substr
(
strrchr
(
__FILE__
,
'
.
'
),
1
);
echo
"
Checking for required files
\n"
;
download
(
'
http://unicode.org/Public/UNIDATA/CaseFolding.txt
'
);
echo
"\n"
;
/**
* Load the CaseFolding table
*/
echo
"
Loading CaseFolding
\n"
;
$
unidata
=
file_get_contents
(
'
CaseFolding.txt
'
);
function
utf8_chr
(
$
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
);
}
}
preg_match_all
(
'
/^([0-9A-F]+); ([CFS]); ([0-9A-F]+(?: [0-9A-F]+)*);/im
'
,
$
unidata
,
$
array
,
PREG_SET_ORDER
);
$
uniarray
=
array
();
foreach
(
$
array
as
$
value
)
{
$
uniarray
[
$
value
[
2
]][
utf8_chr
(
hexdec
((
string
)
$
value
[
1
]))] =
implode
(
array_map
(
'
utf8_chr
'
,
array_map
(
'
hexdec
'
,
explode
(
'
'
,
$
value
[
3
]))));
}
foreach
(
$
uniarray
as
$
idx
=>
$
contents
)
{
echo
"
Writing to case_fold_
$
idx
.
$
phpEx
\n"
;
$
fp
=
fopen
(
$
phpbb_root_path
.
'
includes/utf/data/case_fold_
'
.
strtolower
(
$
idx
) .
'
.
'
.
$
phpEx
,
'
wb
'
);
fwrite
(
$
fp
,
'
<?php return
'
.
my_var_export
(
$
contents
) .
'
;
'
);
fclose
(
$
fp
);
}
/**
* Return a parsable string representation of a variable
*
* This is function is limited to array/strings/integers
*
* @param mixed $var Variable
* @return string PHP code representing the variable
*/
function
my_var_export
(
$
var
)
{
if
(
is_array
(
$
var
))
{
$
lines
=
array
();
foreach
(
$
var
as
$
k
=>
$
v
)
{
$
lines
[] =
my_var_export
(
$
k
) .
'
=>
'
.
my_var_export
(
$
v
);
}
return
'
array(
'
.
implode
(
'
,
'
,
$
lines
) .
'
)
'
;
}
else
if
(
is_string
(
$
var
))
{
return
"
'
"
.
str_replace
(
array
(
'\\'
,
"
'
"
),
array
(
'\\\\'
,
"\\
'
"
),
$
var
) .
"
'
"
;
}
else
{
return
$
var
;
}
}
/**
* 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"
;
}
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