phpbb/phpBB/develop/utf_normalizer_test.php at develop · Web5design/phpbb · GitHub

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<?php

/**

* @package phpBB3

* @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 "\nFAILED $expected == $form($test) ($hex_expected != $hex_result)";

}

if ($failed)

{

die("\n\nFailed at line $n\n");

}

fclose($fp);

/**

* Test for invariants

echo "\n\nTesting 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 "\nFAILED $hex_expected == $form($hex_tested) ($hex_expected != $hex_result)";

}

if ($failed)

{

die("\n\nFailed at line $n\n");

}

fclose($fp);

die("\n\nALL 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\nPlease 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);

}

phpbb/phpBB/develop/utf_normalizer_test.php at develop · Web5design/phpbb · GitHub

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