--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/swiftmailer/lib/classes/Swift/KeyCache/DiskKeyCache.php Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,326 @@
+<?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 KeyCache which streams to and from disk.
+ * @package Swift
+ * @subpackage KeyCache
+ * @author Chris Corbyn
+ */
+class Swift_KeyCache_DiskKeyCache implements Swift_KeyCache
+{
+
+ /** Signal to place pointer at start of file */
+ const POSITION_START = 0;
+
+ /** Signal to place pointer at end of file */
+ const POSITION_END = 1;
+
+ /** Signal to leave pointer in whatever position it currently is */
+ const POSITION_CURRENT = 2;
+
+ /**
+ * An InputStream for cloning.
+ * @var Swift_KeyCache_KeyCacheInputStream
+ * @access private
+ */
+ private $_stream;
+
+ /**
+ * A path to write to.
+ * @var string
+ * @access private
+ */
+ private $_path;
+
+ /**
+ * Stored keys.
+ * @var array
+ * @access private
+ */
+ private $_keys = array();
+
+ /**
+ * Will be true if magic_quotes_runtime is turned on.
+ * @var boolean
+ * @access private
+ */
+ private $_quotes = false;
+
+ /**
+ * Create a new DiskKeyCache with the given $stream for cloning to make
+ * InputByteStreams, and the given $path to save to.
+ * @param Swift_KeyCache_KeyCacheInputStream $stream
+ * @param string $path to save to
+ */
+ public function __construct(Swift_KeyCache_KeyCacheInputStream $stream, $path)
+ {
+ $this->_stream = $stream;
+ $this->_path = $path;
+ $this->_quotes = ini_get('magic_quotes_runtime');
+ }
+
+ /**
+ * Set a string into the cache under $itemKey for the namespace $nsKey.
+ * @param string $nsKey
+ * @param string $itemKey
+ * @param string $string
+ * @param int $mode
+ * @throws Swift_IoException
+ * @see MODE_WRITE, MODE_APPEND
+ */
+ public function setString($nsKey, $itemKey, $string, $mode)
+ {
+ $this->_prepareCache($nsKey);
+ switch ($mode)
+ {
+ case self::MODE_WRITE:
+ $fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_START);
+ break;
+ case self::MODE_APPEND:
+ $fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_END);
+ break;
+ default:
+ throw new Swift_SwiftException(
+ 'Invalid mode [' . $mode . '] used to set nsKey='.
+ $nsKey . ', itemKey=' . $itemKey
+ );
+ break;
+ }
+ fwrite($fp, $string);
+ $this->_freeHandle($nsKey, $itemKey);
+ }
+
+ /**
+ * Set a ByteStream into the cache under $itemKey for the namespace $nsKey.
+ * @param string $nsKey
+ * @param string $itemKey
+ * @param Swift_OutputByteStream $os
+ * @param int $mode
+ * @see MODE_WRITE, MODE_APPEND
+ * @throws Swift_IoException
+ */
+ public function importFromByteStream($nsKey, $itemKey, Swift_OutputByteStream $os,
+ $mode)
+ {
+ $this->_prepareCache($nsKey);
+ switch ($mode)
+ {
+ case self::MODE_WRITE:
+ $fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_START);
+ break;
+ case self::MODE_APPEND:
+ $fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_END);
+ break;
+ default:
+ throw new Swift_SwiftException(
+ 'Invalid mode [' . $mode . '] used to set nsKey='.
+ $nsKey . ', itemKey=' . $itemKey
+ );
+ break;
+ }
+ while (false !== $bytes = $os->read(8192))
+ {
+ fwrite($fp, $bytes);
+ }
+ $this->_freeHandle($nsKey, $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 $itemKey
+ * @return Swift_InputByteStream
+ */
+ public function getInputByteStream($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 $itemKey
+ * @return string
+ * @throws Swift_IoException
+ */
+ public function getString($nsKey, $itemKey)
+ {
+ $this->_prepareCache($nsKey);
+ if ($this->hasKey($nsKey, $itemKey))
+ {
+ $fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_START);
+ if ($this->_quotes)
+ {
+ ini_set('magic_quotes_runtime', 0);
+ }
+ $str = '';
+ while (!feof($fp) && false !== $bytes = fread($fp, 8192))
+ {
+ $str .= $bytes;
+ }
+ if ($this->_quotes)
+ {
+ ini_set('magic_quotes_runtime', 1);
+ }
+ $this->_freeHandle($nsKey, $itemKey);
+ return $str;
+ }
+ }
+
+ /**
+ * 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 $is)
+ {
+ if ($this->hasKey($nsKey, $itemKey))
+ {
+ $fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_START);
+ if ($this->_quotes)
+ {
+ ini_set('magic_quotes_runtime', 0);
+ }
+ while (!feof($fp) && false !== $bytes = fread($fp, 8192))
+ {
+ $is->write($bytes);
+ }
+ if ($this->_quotes)
+ {
+ ini_set('magic_quotes_runtime', 1);
+ }
+ $this->_freeHandle($nsKey, $itemKey);
+ }
+ }
+
+ /**
+ * Check if the given $itemKey exists in the namespace $nsKey.
+ * @param string $nsKey
+ * @param string $itemKey
+ * @return boolean
+ */
+ public function hasKey($nsKey, $itemKey)
+ {
+ return is_file($this->_path . '/' . $nsKey . '/' . $itemKey);
+ }
+
+ /**
+ * Clear data for $itemKey in the namespace $nsKey if it exists.
+ * @param string $nsKey
+ * @param string $itemKey
+ */
+ public function clearKey($nsKey, $itemKey)
+ {
+ if ($this->hasKey($nsKey, $itemKey))
+ {
+ $this->_freeHandle($nsKey, $itemKey);
+ unlink($this->_path . '/' . $nsKey . '/' . $itemKey);
+ }
+ }
+
+ /**
+ * Clear all data in the namespace $nsKey if it exists.
+ * @param string $nsKey
+ */
+ public function clearAll($nsKey)
+ {
+ if (array_key_exists($nsKey, $this->_keys))
+ {
+ foreach ($this->_keys[$nsKey] as $itemKey=>$null)
+ {
+ $this->clearKey($nsKey, $itemKey);
+ }
+ rmdir($this->_path . '/' . $nsKey);
+ unset($this->_keys[$nsKey]);
+ }
+ }
+
+ // -- Private methods
+
+ /**
+ * Initialize the namespace of $nsKey if needed.
+ * @param string $nsKey
+ * @access private
+ */
+ private function _prepareCache($nsKey)
+ {
+ $cacheDir = $this->_path . '/' . $nsKey;
+ if (!is_dir($cacheDir))
+ {
+ if (!mkdir($cacheDir))
+ {
+ throw new Swift_IoException('Failed to create cache directory ' . $cacheDir);
+ }
+ $this->_keys[$nsKey] = array();
+ }
+ }
+
+ /**
+ * Get a file handle on the cache item.
+ * @param string $nsKey
+ * @param string $itemKey
+ * @param int $position
+ * @return resource
+ * @access private
+ */
+ private function _getHandle($nsKey, $itemKey, $position)
+ {
+ if (!isset($this->_keys[$nsKey][$itemKey]))
+ {
+ $openMode = $this->hasKey($nsKey, $itemKey)
+ ? 'r+b'
+ : 'w+b'
+ ;
+ $fp = fopen($this->_path . '/' . $nsKey . '/' . $itemKey, $openMode);
+ $this->_keys[$nsKey][$itemKey] = $fp;
+ }
+ if (self::POSITION_START == $position)
+ {
+ fseek($this->_keys[$nsKey][$itemKey], 0, SEEK_SET);
+ }
+ elseif (self::POSITION_END == $position)
+ {
+ fseek($this->_keys[$nsKey][$itemKey], 0, SEEK_END);
+ }
+ return $this->_keys[$nsKey][$itemKey];
+ }
+
+ private function _freeHandle($nsKey, $itemKey)
+ {
+ $fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_CURRENT);
+ fclose($fp);
+ $this->_keys[$nsKey][$itemKey] = null;
+ }
+
+ /**
+ * Destructor.
+ */
+ public function __destruct()
+ {
+ foreach ($this->_keys as $nsKey=>$null)
+ {
+ $this->clearAll($nsKey);
+ }
+ }
+
+}