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-rw-r--r--phpBB/develop/generate_utf_casefold.php147
1 files changed, 147 insertions, 0 deletions
diff --git a/phpBB/develop/generate_utf_casefold.php b/phpBB/develop/generate_utf_casefold.php
new file mode 100644
index 0000000000..2537c831c1
--- /dev/null
+++ b/phpBB/develop/generate_utf_casefold.php
@@ -0,0 +1,147 @@
+<?php
+/**
+*
+* @package phpBB3
+* @version $Id$
+* @copyright (c) 2005 phpBB Group
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License
+*
+*/
+
+if (php_sapi_name() != 'cli')
+{
+// die("This program must be run from the command line.\n");
+}
+
+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_' . $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(',', $lines) . ')';
+ }
+ elseif (is_string($var))
+ {
+ return "'" . str_replace(array('\\', "'"), array('\\\\', "\\'"), $var) . "'";
+ }
+ else
+ {
+ return $var;
+ }
+}
+
+/**
+* Download a file to the develop/ dir
+*
+* @param string $url URL of the file to download
+* @return void
+*/
+function download($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";
+}
+
+?> \ No newline at end of file