diff options
Diffstat (limited to 'inc/lib/minify/Minify/Cache')
| -rwxr-xr-x | inc/lib/minify/Minify/Cache/APC.php | 133 | ||||
| -rwxr-xr-x | inc/lib/minify/Minify/Cache/File.php | 195 | ||||
| -rwxr-xr-x | inc/lib/minify/Minify/Cache/Memcache.php | 140 | ||||
| -rwxr-xr-x | inc/lib/minify/Minify/Cache/ZendPlatform.php | 142 |
4 files changed, 610 insertions, 0 deletions
diff --git a/inc/lib/minify/Minify/Cache/APC.php b/inc/lib/minify/Minify/Cache/APC.php new file mode 100755 index 00000000..24ab0462 --- /dev/null +++ b/inc/lib/minify/Minify/Cache/APC.php @@ -0,0 +1,133 @@ +<?php +/** + * Class Minify_Cache_APC + * @package Minify + */ + +/** + * APC-based cache class for Minify + * + * <code> + * Minify::setCache(new Minify_Cache_APC()); + * </code> + * + * @package Minify + * @author Chris Edwards + **/ +class Minify_Cache_APC { + + /** + * Create a Minify_Cache_APC object, to be passed to + * Minify::setCache(). + * + * + * @param int $expire seconds until expiration (default = 0 + * meaning the item will not get an expiration date) + * + * @return null + */ + public function __construct($expire = 0) + { + $this->_exp = $expire; + } + + /** + * Write data to cache. + * + * @param string $id cache id + * + * @param string $data + * + * @return bool success + */ + public function store($id, $data) + { + return apc_store($id, "{$_SERVER['REQUEST_TIME']}|{$data}", $this->_exp); + } + + /** + * Get the size of a cache entry + * + * @param string $id cache id + * + * @return int size in bytes + */ + public function getSize($id) + { + if (! $this->_fetch($id)) { + return false; + } + return (function_exists('mb_strlen') && ((int)ini_get('mbstring.func_overload') & 2)) + ? mb_strlen($this->_data, '8bit') + : strlen($this->_data); + } + + /** + * Does a valid cache entry exist? + * + * @param string $id cache id + * + * @param int $srcMtime mtime of the original source file(s) + * + * @return bool exists + */ + public function isValid($id, $srcMtime) + { + return ($this->_fetch($id) && ($this->_lm >= $srcMtime)); + } + + /** + * Send the cached content to output + * + * @param string $id cache id + */ + public function display($id) + { + echo $this->_fetch($id) + ? $this->_data + : ''; + } + + /** + * Fetch the cached content + * + * @param string $id cache id + * + * @return string + */ + public function fetch($id) + { + return $this->_fetch($id) + ? $this->_data + : ''; + } + + private $_exp = null; + + // cache of most recently fetched id + private $_lm = null; + private $_data = null; + private $_id = null; + + /** + * Fetch data and timestamp from apc, store in instance + * + * @param string $id + * + * @return bool success + */ + private function _fetch($id) + { + if ($this->_id === $id) { + return true; + } + $ret = apc_fetch($id); + if (false === $ret) { + $this->_id = null; + return false; + } + list($this->_lm, $this->_data) = explode('|', $ret, 2); + $this->_id = $id; + return true; + } +} diff --git a/inc/lib/minify/Minify/Cache/File.php b/inc/lib/minify/Minify/Cache/File.php new file mode 100755 index 00000000..3fa6b18f --- /dev/null +++ b/inc/lib/minify/Minify/Cache/File.php @@ -0,0 +1,195 @@ +<?php +/** + * Class Minify_Cache_File + * @package Minify + */ + +class Minify_Cache_File { + + public function __construct($path = '', $fileLocking = false) + { + if (! $path) { + $path = self::tmp(); + } + $this->_locking = $fileLocking; + $this->_path = $path; + } + + /** + * Write data to cache. + * + * @param string $id cache id (e.g. a filename) + * + * @param string $data + * + * @return bool success + */ + public function store($id, $data) + { + $flag = $this->_locking + ? LOCK_EX + : null; + $file = $this->_path . '/' . $id; + if (! @file_put_contents($file, $data, $flag)) { + $this->_log("Minify_Cache_File: Write failed to '$file'"); + } + // write control + if ($data !== $this->fetch($id)) { + @unlink($file); + $this->_log("Minify_Cache_File: Post-write read failed for '$file'"); + return false; + } + return true; + } + + /** + * Get the size of a cache entry + * + * @param string $id cache id (e.g. a filename) + * + * @return int size in bytes + */ + public function getSize($id) + { + return filesize($this->_path . '/' . $id); + } + + /** + * Does a valid cache entry exist? + * + * @param string $id cache id (e.g. a filename) + * + * @param int $srcMtime mtime of the original source file(s) + * + * @return bool exists + */ + public function isValid($id, $srcMtime) + { + $file = $this->_path . '/' . $id; + return (is_file($file) && (filemtime($file) >= $srcMtime)); + } + + /** + * Send the cached content to output + * + * @param string $id cache id (e.g. a filename) + */ + public function display($id) + { + if ($this->_locking) { + $fp = fopen($this->_path . '/' . $id, 'rb'); + flock($fp, LOCK_SH); + fpassthru($fp); + flock($fp, LOCK_UN); + fclose($fp); + } else { + readfile($this->_path . '/' . $id); + } + } + + /** + * Fetch the cached content + * + * @param string $id cache id (e.g. a filename) + * + * @return string + */ + public function fetch($id) + { + if ($this->_locking) { + $fp = fopen($this->_path . '/' . $id, 'rb'); + flock($fp, LOCK_SH); + $ret = stream_get_contents($fp); + flock($fp, LOCK_UN); + fclose($fp); + return $ret; + } else { + return file_get_contents($this->_path . '/' . $id); + } + } + + /** + * Fetch the cache path used + * + * @return string + */ + public function getPath() + { + return $this->_path; + } + + /** + * Get a usable temp directory + * + * Adapted from Solar/Dir.php + * @author Paul M. Jones <pmjones@solarphp.com> + * @license http://opensource.org/licenses/bsd-license.php BSD + * @link http://solarphp.com/trac/core/browser/trunk/Solar/Dir.php + * + * @return string + */ + public static function tmp() + { + static $tmp = null; + if (! $tmp) { + $tmp = function_exists('sys_get_temp_dir') + ? sys_get_temp_dir() + : self::_tmp(); + $tmp = rtrim($tmp, DIRECTORY_SEPARATOR); + } + return $tmp; + } + + /** + * Returns the OS-specific directory for temporary files + * + * @author Paul M. Jones <pmjones@solarphp.com> + * @license http://opensource.org/licenses/bsd-license.php BSD + * @link http://solarphp.com/trac/core/browser/trunk/Solar/Dir.php + * + * @return string + */ + protected static function _tmp() + { + // non-Windows system? + if (strtolower(substr(PHP_OS, 0, 3)) != 'win') { + $tmp = empty($_ENV['TMPDIR']) ? getenv('TMPDIR') : $_ENV['TMPDIR']; + if ($tmp) { + return $tmp; + } else { + return '/tmp'; + } + } + // Windows 'TEMP' + $tmp = empty($_ENV['TEMP']) ? getenv('TEMP') : $_ENV['TEMP']; + if ($tmp) { + return $tmp; + } + // Windows 'TMP' + $tmp = empty($_ENV['TMP']) ? getenv('TMP') : $_ENV['TMP']; + if ($tmp) { + return $tmp; + } + // Windows 'windir' + $tmp = empty($_ENV['windir']) ? getenv('windir') : $_ENV['windir']; + if ($tmp) { + return $tmp; + } + // final fallback for Windows + return getenv('SystemRoot') . '\\temp'; + } + + /** + * Send message to the Minify logger + * @param string $msg + * @return null + */ + protected function _log($msg) + { + require_once 'Minify/Logger.php'; + Minify_Logger::log($msg); + } + + private $_path = null; + private $_locking = null; +} diff --git a/inc/lib/minify/Minify/Cache/Memcache.php b/inc/lib/minify/Minify/Cache/Memcache.php new file mode 100755 index 00000000..72bf454b --- /dev/null +++ b/inc/lib/minify/Minify/Cache/Memcache.php @@ -0,0 +1,140 @@ +<?php +/** + * Class Minify_Cache_Memcache + * @package Minify + */ + +/** + * Memcache-based cache class for Minify + * + * <code> + * // fall back to disk caching if memcache can't connect + * $memcache = new Memcache; + * if ($memcache->connect('localhost', 11211)) { + * Minify::setCache(new Minify_Cache_Memcache($memcache)); + * } else { + * Minify::setCache(); + * } + * </code> + **/ +class Minify_Cache_Memcache { + + /** + * Create a Minify_Cache_Memcache object, to be passed to + * Minify::setCache(). + * + * @param Memcache $memcache already-connected instance + * + * @param int $expire seconds until expiration (default = 0 + * meaning the item will not get an expiration date) + * + * @return null + */ + public function __construct($memcache, $expire = 0) + { + $this->_mc = $memcache; + $this->_exp = $expire; + } + + /** + * Write data to cache. + * + * @param string $id cache id + * + * @param string $data + * + * @return bool success + */ + public function store($id, $data) + { + return $this->_mc->set($id, "{$_SERVER['REQUEST_TIME']}|{$data}", 0, $this->_exp); + } + + + /** + * Get the size of a cache entry + * + * @param string $id cache id + * + * @return int size in bytes + */ + public function getSize($id) + { + if (! $this->_fetch($id)) { + return false; + } + return (function_exists('mb_strlen') && ((int)ini_get('mbstring.func_overload') & 2)) + ? mb_strlen($this->_data, '8bit') + : strlen($this->_data); + } + + /** + * Does a valid cache entry exist? + * + * @param string $id cache id + * + * @param int $srcMtime mtime of the original source file(s) + * + * @return bool exists + */ + public function isValid($id, $srcMtime) + { + return ($this->_fetch($id) && ($this->_lm >= $srcMtime)); + } + + /** + * Send the cached content to output + * + * @param string $id cache id + */ + public function display($id) + { + echo $this->_fetch($id) + ? $this->_data + : ''; + } + + /** + * Fetch the cached content + * + * @param string $id cache id + * + * @return string + */ + public function fetch($id) + { + return $this->_fetch($id) + ? $this->_data + : ''; + } + + private $_mc = null; + private $_exp = null; + + // cache of most recently fetched id + private $_lm = null; + private $_data = null; + private $_id = null; + + /** + * Fetch data and timestamp from memcache, store in instance + * + * @param string $id + * + * @return bool success + */ + private function _fetch($id) + { + if ($this->_id === $id) { + return true; + } + $ret = $this->_mc->get($id); + if (false === $ret) { + $this->_id = null; + return false; + } + list($this->_lm, $this->_data) = explode('|', $ret, 2); + $this->_id = $id; + return true; + } +} diff --git a/inc/lib/minify/Minify/Cache/ZendPlatform.php b/inc/lib/minify/Minify/Cache/ZendPlatform.php new file mode 100755 index 00000000..3130d69a --- /dev/null +++ b/inc/lib/minify/Minify/Cache/ZendPlatform.php @@ -0,0 +1,142 @@ +<?php +/** + * Class Minify_Cache_ZendPlatform + * @package Minify + */ + + +/** + * ZendPlatform-based cache class for Minify + * + * Based on Minify_Cache_APC, uses output_cache_get/put (currently deprecated) + * + * <code> + * Minify::setCache(new Minify_Cache_ZendPlatform()); + * </code> + * + * @package Minify + * @author Patrick van Dissel + */ +class Minify_Cache_ZendPlatform { + + + /** + * Create a Minify_Cache_ZendPlatform object, to be passed to + * Minify::setCache(). + * + * @param int $expire seconds until expiration (default = 0 + * meaning the item will not get an expiration date) + * + * @return null + */ + public function __construct($expire = 0) + { + $this->_exp = $expire; + } + + + /** + * Write data to cache. + * + * @param string $id cache id + * + * @param string $data + * + * @return bool success + */ + public function store($id, $data) + { + return output_cache_put($id, "{$_SERVER['REQUEST_TIME']}|{$data}"); + } + + + /** + * Get the size of a cache entry + * + * @param string $id cache id + * + * @return int size in bytes + */ + public function getSize($id) + { + return $this->_fetch($id) + ? strlen($this->_data) + : false; + } + + + /** + * Does a valid cache entry exist? + * + * @param string $id cache id + * + * @param int $srcMtime mtime of the original source file(s) + * + * @return bool exists + */ + public function isValid($id, $srcMtime) + { + $ret = ($this->_fetch($id) && ($this->_lm >= $srcMtime)); + return $ret; + } + + + /** + * Send the cached content to output + * + * @param string $id cache id + */ + public function display($id) + { + echo $this->_fetch($id) + ? $this->_data + : ''; + } + + + /** + * Fetch the cached content + * + * @param string $id cache id + * + * @return string + */ + public function fetch($id) + { + return $this->_fetch($id) + ? $this->_data + : ''; + } + + + private $_exp = null; + + + // cache of most recently fetched id + private $_lm = null; + private $_data = null; + private $_id = null; + + + /** + * Fetch data and timestamp from ZendPlatform, store in instance + * + * @param string $id + * + * @return bool success + */ + private function _fetch($id) + { + if ($this->_id === $id) { + return true; + } + $ret = output_cache_get($id, $this->_exp); + if (false === $ret) { + $this->_id = null; + return false; + } + list($this->_lm, $this->_data) = explode('|', $ret, 2); + $this->_id = $id; + return true; + } +} |
