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 $url URL of the file to download
* @return void
*/
function download($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);
}
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