From 5d323a651e8367838ae95172a27e9e400b6596f8 Mon Sep 17 00:00:00 2001
From: Ludovic Arnaud <ludovic_arnaud@users.sourceforge.net>
Date: Wed, 19 Mar 2003 02:04:46 +0000
Subject: [PATCH] ACM filenames re-prefixed

git-svn-id: file:///svn/phpbb/trunk@3677 89ea8834-ac86-4346-8a33-228a782c2dd0
---
 phpBB/includes/acm/acm_file.php | 227 ++++++++++++++++++++++++++++++++
 1 file changed, 227 insertions(+)
 create mode 100644 phpBB/includes/acm/acm_file.php

diff --git a/phpBB/includes/acm/acm_file.php b/phpBB/includes/acm/acm_file.php
new file mode 100644
index 0000000000..7dad56cb31
--- /dev/null
+++ b/phpBB/includes/acm/acm_file.php
@@ -0,0 +1,227 @@
+<?php
+/***************************************************************************
+ *                              cache_file.php
+ *                            -------------------
+ *   begin                : Saturday, Feb 13, 2001
+ *   copyright            : (C) 2001 The phpBB Group
+ *   email                : support@phpbb.com
+ *
+ *   $Id$
+ *
+ ***************************************************************************/
+
+/***************************************************************************
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ ***************************************************************************/
+
+class acm
+{
+	var $vars = '';
+	var $vars_ts = array();
+	var $modified = FALSE;
+
+	var $sql_rowset = array();
+
+	function acm()
+	{
+		global $phpbb_root_path;
+		//$this->load_cache();
+		$this->cache_dir = $phpbb_root_path . 'cache/';
+	}
+
+	function load()
+	{
+		global $phpEx;
+		@include($this->cache_dir . 'global.' . $phpEx);
+	}
+
+	function unload()
+	{
+		$this->save();
+		unset($this->vars);
+		unset($this->vars_ts);
+		unset($this->sql_rowset);
+	}
+
+	function save() 
+	{
+		if (!$this->modified)
+		{
+			return;
+		}
+
+		global $phpEx;
+		$file = '<?php $this->vars=' . $this->format_array($this->vars) . ";\n\$this->vars_ts=" . $this->format_array($this->vars_ts) . ' ?>';
+
+		if ($fp = @fopen($this->cache_dir . 'global.' . $phpEx, 'wb'))
+		{
+			@flock($fp, LOCK_EX);
+			fwrite($fp, $file);
+			@flock($fp, LOCK_UN);
+			fclose($fp);
+		}
+	}
+
+	function tidy($expire_time = 0)
+	{
+		global $phpEx;
+
+		$dir = opendir($this->cache_dir);
+		while ($entry = readdir($dir))
+		{
+			if ($entry{0} == '.' || is_dir($this->cache_dir . $entry))
+			{
+				continue;
+			}
+			if (time() - $expire_time >= filemtime($this->cache_dir . $entry))
+			{
+				unlink($this->cache_dir . $entry);
+			}
+		}
+		if (file_exists($this->cache_dir . 'global.' . $phpEx))
+		{
+			foreach ($this->vars_ts as $varname => $timestamp)
+			{
+				if (time() - $expire_time >= $timestamp)
+				{
+					$this->destroy($varname);
+				}
+			}
+		}
+		else
+		{
+			$this->vars = $this->vars_ts = array();
+			$this->modified = TRUE;
+		}
+	}
+
+	function get($varname, $expire_time = 0)
+	{
+		return ($this->exists($varname, $expire_time)) ? $this->vars[$varname] : NULL;
+	}
+
+	function put($varname, $var)
+	{
+		$this->vars[$varname] = $var;
+		$this->vars_ts[$varname] = time();
+		$this->modified = TRUE;
+	}
+
+	function destroy($varname)
+	{
+		if (isset($this->vars[$varname]))
+		{
+			$this->modified = TRUE;
+			unset($this->vars[$varname]);
+			unset($this->vars_ts[$varname]);
+		}
+	}
+
+	function exists($varname, $expire_time = 0)
+	{
+		if (!is_array($this->vars))
+		{
+			$this->load();
+		}
+
+		if ($expire_time > 0)
+		{
+			if ($this->vars_ts[$varname] <= time() - $expire_time)
+			{
+				$this->destroy($varname);
+				return FALSE;
+			}
+		}
+
+		return isset($this->vars[$varname]);
+	}
+
+	function format_array($array)
+	{
+		$lines = array();
+		foreach ($array as $k => $v)
+		{
+			if (is_array($v))
+			{
+				$lines[] = "'$k'=>" . $this->format_array($v);
+			}
+			elseif (is_int($v))
+			{
+				$lines[] = "'$k'=>$v";
+			}
+			elseif (is_bool($v))
+			{
+				$lines[] = "'$k'=>" . (($v) ? 'TRUE' : 'FALSE');
+			}
+			else
+			{
+				$lines[] = "'$k'=>'" . str_replace("'", "\'", str_replace('\\', '\\\\', $v)) . "'";
+			}
+		}
+		return 'array(' . implode(',', $lines) . ')';
+	}
+
+	function sql_load($query, $expire_time)
+	{
+		global $db, $phpEx;
+
+		$filemtime = intval(@filemtime($this->cache_dir . md5($query) . '.' . $phpEx));
+		if (time() - $filemtime > $expire_time)
+		{
+			return FALSE;
+		}
+
+		include($this->cache_dir . md5($query) . '.' . $phpEx);
+
+		$query_id = 'Cache id #' . count($this->sql_rowset);
+		$this->sql_rowset[$query_id] = $rowset;
+		$db->query_result = $query_id;
+		return TRUE;
+	}
+
+	function sql_save($query, $result)
+	{
+		global $db, $phpEx;
+		if ($fp = @fopen($this->cache_dir . md5($query) . '.' . $phpEx, 'wb'))
+		{
+			@flock($fp, LOCK_EX);
+
+			$lines = array();
+			$query_id = 'Cache id #' . count($this->sql_rowset);
+			$this->sql_rowset[$query_id] = array();
+			$db->query_result = $query_id;
+
+			while ($row = $db->sql_fetchrow($result))
+			{
+				$this->sql_rowset[$query_id][] = $row;
+
+				$line = 'array(';
+				foreach ($row as $key => $val)
+				{
+					$line .= "'$key'=>'" . str_replace("'", "\'", str_replace('\\', '\\\\', $val)) . "',";
+				}
+				$lines[] = substr($line, 0, -1) . ')';
+			}
+
+			fwrite($fp, "<?php\n\n/*\n$query\n*/\n\n\$rowset = array(" . implode(',', $lines) . ') ?>');
+			@flock($fp, LOCK_UN);
+			fclose($fp);
+		}
+	}
+
+	function sql_exists($query_id)
+	{
+		return isset($this->sql_rowset[$query_id]);
+	}
+
+	function sql_fetchrow($query_id)
+	{
+		return array_shift($this->sql_rowset[$query_id]);
+	}
+}
+?>
\ No newline at end of file