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- <?php
- /**
- * @package uForum
- * @file includes/sql_parse.php
- * @version $Id$
- * @copyright 2009(c) PioDer <pioder@wp.pl>
- * @link http://pioder.gim2przemysl.int.pl/
- * @license GNU GPL v3
- * @note Originally, phpMyAdmin function
- **/
- function remove_comments(&$output)
- {
- $lines = explode("\n", $output);
- $output = "";
- $linecount = count($lines);
- $in_comment = false;
- for($i = 0; $i < $linecount; $i++)
- {
- if( preg_match("/^\/\*/", preg_quote($lines[$i])) )
- {
- $in_comment = true;
- }
- if( !$in_comment )
- {
- $output .= $lines[$i] . "\n";
- }
- if( preg_match("/\*\/$/", preg_quote($lines[$i])) )
- {
- $in_comment = false;
- }
- }
- unset($lines);
- return $output;
- }
-
- function remove_remarks($sql)
- {
- $lines = explode("\n", $sql);
- $sql = "";
- $linecount = count($lines);
- $output = "";
- for ($i = 0; $i < $linecount; $i++)
- {
- if (($i != ($linecount - 1)) || (strlen($lines[$i]) > 0))
- {
- if ($lines[$i][0] != "#")
- {
- $output .= $lines[$i] . "\n";
- }
- else
- {
- $output .= "\n";
- }
- $lines[$i] = "";
- }
- }
- return $output;
- }
-
- function split_sql_file($sql)
- {
- $delimiter = ';';
- $tokens = explode($delimiter, $sql);
- $sql = "";
- $output = array();
- $matches = array();
- $token_count = count($tokens);
- for ($i = 0; $i < $token_count; $i++)
- {
- if (($i != ($token_count - 1)) || (strlen($tokens[$i] > 0)))
- {
- $total_quotes = preg_match_all("/'/", $tokens[$i], $matches);
- $escaped_quotes = preg_match_all("/(?<!\\\\)(\\\\\\\\)*\\\\'/", $tokens[$i], $matches);
- $unescaped_quotes = $total_quotes - $escaped_quotes;
- if (($unescaped_quotes % 2) == 0)
- {
- $output[] = $tokens[$i];
- $tokens[$i] = "";
- }
- else
- {
- $temp = $tokens[$i] . $delimiter;
- $tokens[$i] = "";
- $complete_stmt = false;
- for ($j = $i + 1; (!$complete_stmt && ($j < $token_count)); $j++)
- {
- $total_quotes = preg_match_all("/'/", $tokens[$j], $matches);
- $escaped_quotes = preg_match_all("/(?<!\\\\)(\\\\\\\\)*\\\\'/", $tokens[$j], $matches);
- $unescaped_quotes = $total_quotes - $escaped_quotes;
- if (($unescaped_quotes % 2) == 1)
- {
- $output[] = $temp . $tokens[$j];
- $tokens[$j] = "";
- $temp = "";
- $complete_stmt = true;
- $i = $j;
- }
- else
- {
- $temp .= $tokens[$j] . $delimiter;
- $tokens[$j] = "";
- }
-
- }
- }
- }
- }
- return $output;
- }
- ?>
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