Переделка структуры папок движка.

upload/library/includes/sql_parse.php

@@ -0,0 +1,164 @@
+<?php
+
+if (!defined('BB_ROOT')) die(basename(__FILE__));
+
+//
+// remove_comments will strip the sql comment lines out of an uploaded sql file
+// specifically for mssql and postgres type files in the install....
+//
+function remove_comments(&$output)
+{
+	$lines = explode("\n", $output);
+	$output = "";
+
+	// try to keep mem. use down
+	$linecount = count($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 $output;
+}
+
+//
+// remove_remarks will strip the sql comment lines out of an uploaded sql file
+//
+function remove_remarks($sql)
+{
+	$lines = explode("\n", $sql);
+
+	// try to keep mem. use down
+	$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";
+			}
+			// Trading a bit of speed for lower mem. use here.
+			$lines[$i] = "";
+		}
+	}
+
+	return $output;
+
+}
+
+//
+// split_sql_file will split an uploaded sql file into single sql statements.
+// Note: expects trim() to have already been run on $sql.
+//
+function split_sql_file($sql, $delimiter)
+{
+	// Split up our string into "possible" SQL statements.
+	$tokens = explode($delimiter, $sql);
+
+	// try to save mem.
+	$sql = "";
+	$output = array();
+
+	// we don't actually care about the matches preg gives us.
+	$matches = array();
+
+	// this is faster than calling count($oktens) every time thru the loop.
+	$token_count = count($tokens);
+	for ($i = 0; $i < $token_count; $i++)
+	{
+		// Don't wanna add an empty string as the last thing in the array.
+		if (($i != ($token_count - 1)) || (strlen($tokens[$i] > 0)))
+		{
+			// This is the total number of single quotes in the token.
+			$total_quotes = preg_match_all("/'/", $tokens[$i], $matches);
+			// Counts single quotes that are preceded by an odd number of backslashes,
+			// which means they're escaped quotes.
+			$escaped_quotes = preg_match_all("/(?<!\\\\)(\\\\\\\\)*\\\\'/", $tokens[$i], $matches);
+
+			$unescaped_quotes = $total_quotes - $escaped_quotes;
+
+			// If the number of unescaped quotes is even, then the delimiter did NOT occur inside a string literal.
+			if (($unescaped_quotes % 2) == 0)
+			{
+				// It's a complete sql statement.
+				$output[] = $tokens[$i];
+				// save memory.
+				$tokens[$i] = "";
+			}
+			else
+			{
+				// incomplete sql statement. keep adding tokens until we have a complete one.
+				// $temp will hold what we have so far.
+				$temp = $tokens[$i] . $delimiter;
+				// save memory..
+				$tokens[$i] = "";
+
+				// Do we have a complete statement yet?
+				$complete_stmt = false;
+
+				for ($j = $i + 1; (!$complete_stmt && ($j < $token_count)); $j++)
+				{
+					// This is the total number of single quotes in the token.
+					$total_quotes = preg_match_all("/'/", $tokens[$j], $matches);
+					// Counts single quotes that are preceded by an odd number of backslashes,
+					// which means they're escaped quotes.
+					$escaped_quotes = preg_match_all("/(?<!\\\\)(\\\\\\\\)*\\\\'/", $tokens[$j], $matches);
+
+					$unescaped_quotes = $total_quotes - $escaped_quotes;
+
+					if (($unescaped_quotes % 2) == 1)
+					{
+						// odd number of unescaped quotes. In combination with the previous incomplete
+						// statement(s), we now have a complete statement. (2 odds always make an even)
+						$output[] = $temp . $tokens[$j];
+
+						// save memory.
+						$tokens[$j] = "";
+						$temp = "";
+
+						// exit the loop.
+						$complete_stmt = true;
+						// make sure the outer loop continues at the right point.
+						$i = $j;
+					}
+					else
+					{
+						// even number of unescaped quotes. We still don't have a complete statement.
+						// (1 odd and 1 even always make an odd)
+						$temp .= $tokens[$j] . $delimiter;
+						// save memory.
+						$tokens[$j] = "";
+					}
+
+				} // for..
+			} // else
+		}
+	}
+
+	return $output;
+}