Source of file ArrayKeyCache.php
Size: 5,700 Bytes - Last Modified: 2013-06-17T15:32:32+02:00
/home/theseer/Downloads/Symfony/vendor/swiftmailer/swiftmailer/lib/classes/Swift/KeyCache/ArrayKeyCache.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211 | <?php /* * This file is part of SwiftMailer. * (c) 2004-2009 Chris Corbyn * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ /** * A basic KeyCache backed by an array. * * @package Swift * @subpackage KeyCache * @author Chris Corbyn */ class Swift_KeyCache_ArrayKeyCache implements Swift_KeyCache { /** * Cache contents. * * @var array */ private $_contents = array(); /** * An InputStream for cloning. * * @var Swift_KeyCache_KeyCacheInputStream */ private $_stream; /** * Create a new ArrayKeyCache with the given $stream for cloning to make * InputByteStreams. * * @param Swift_KeyCache_KeyCacheInputStream $stream */ public function __construct(Swift_KeyCache_KeyCacheInputStream $stream) { $this->_stream = $stream; } /** * Set a string into the cache under $itemKey for the namespace $nsKey. * * @see MODE_WRITE, MODE_APPEND * * @param string $nsKey * @param string $itemKey * @param string $string * @param integer $mode */ public function setString($nsKey, $itemKey, $string, $mode) { $this->_prepareCache($nsKey); switch ($mode) { case self::MODE_WRITE: $this->_contents[$nsKey][$itemKey] = $string; break; case self::MODE_APPEND: if (!$this->hasKey($nsKey, $itemKey)) { $this->_contents[$nsKey][$itemKey] = ''; } $this->_contents[$nsKey][$itemKey] .= $string; break; default: throw new Swift_SwiftException( 'Invalid mode [' . $mode . '] used to set nsKey='. $nsKey . ', itemKey=' . $itemKey ); } } /** * Set a ByteStream into the cache under $itemKey for the namespace $nsKey. * * @see MODE_WRITE, MODE_APPEND * * @param string $nsKey * @param string $itemKey * @param Swift_OutputByteStream $os * @param integer $mode */ public function importFromByteStream($nsKey, $itemKey, Swift_OutputByteStream $os, $mode) { $this->_prepareCache($nsKey); switch ($mode) { case self::MODE_WRITE: $this->clearKey($nsKey, $itemKey); case self::MODE_APPEND: if (!$this->hasKey($nsKey, $itemKey)) { $this->_contents[$nsKey][$itemKey] = ''; } while (false !== $bytes = $os->read(8192)) { $this->_contents[$nsKey][$itemKey] .= $bytes; } break; default: throw new Swift_SwiftException( 'Invalid mode [' . $mode . '] used to set nsKey='. $nsKey . ', itemKey=' . $itemKey ); } } /** * Provides a ByteStream which when written to, writes data to $itemKey. * * NOTE: The stream will always write in append mode. * * @param string $nsKey * @param string $itemKey * @param Swift_InputByteStream $writeThrough * * @return Swift_InputByteStream */ public function getInputByteStream($nsKey, $itemKey, Swift_InputByteStream $writeThrough = null) { $is = clone $this->_stream; $is->setKeyCache($this); $is->setNsKey($nsKey); $is->setItemKey($itemKey); if (isset($writeThrough)) { $is->setWriteThroughStream($writeThrough); } return $is; } /** * Get data back out of the cache as a string. * * @param string $nsKey * @param string $itemKey * * @return string */ public function getString($nsKey, $itemKey) { $this->_prepareCache($nsKey); if ($this->hasKey($nsKey, $itemKey)) { return $this->_contents[$nsKey][$itemKey]; } } /** * Get data back out of the cache as a ByteStream. * * @param string $nsKey * @param string $itemKey * @param Swift_InputByteStream $is to write the data to */ public function exportToByteStream($nsKey, $itemKey, Swift_InputByteStream $is) { $this->_prepareCache($nsKey); $is->write($this->getString($nsKey, $itemKey)); } /** * Check if the given $itemKey exists in the namespace $nsKey. * * @param string $nsKey * @param string $itemKey * * @return boolean */ public function hasKey($nsKey, $itemKey) { $this->_prepareCache($nsKey); return array_key_exists($itemKey, $this->_contents[$nsKey]); } /** * Clear data for $itemKey in the namespace $nsKey if it exists. * * @param string $nsKey * @param string $itemKey */ public function clearKey($nsKey, $itemKey) { unset($this->_contents[$nsKey][$itemKey]); } /** * Clear all data in the namespace $nsKey if it exists. * * @param string $nsKey */ public function clearAll($nsKey) { unset($this->_contents[$nsKey]); } // -- Private methods /** * Initialize the namespace of $nsKey if needed. * * @param string $nsKey */ private function _prepareCache($nsKey) { if (!array_key_exists($nsKey, $this->_contents)) { $this->_contents[$nsKey] = array(); } } } |