Added 3rd party KH modules
This commit is contained in:
Deon George
316
modules/khemail/vendor/swift/classes/Swift/KeyCache/DiskKeyCache.php
vendored
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316
modules/khemail/vendor/swift/classes/Swift/KeyCache/DiskKeyCache.php
vendored
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@@ -0,0 +1,316 @@
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<?php
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/*
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* This file is part of SwiftMailer.
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* (c) 2004-2009 Chris Corbyn
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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//@require 'Swift/KeyCache.php';
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//@require 'Swift/KeyCacheInputStream.php';
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//@require 'Swift/InputByteStream.php';
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//@require 'Swift/OutputByteStrean.php';
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//@require 'Swift/SwiftException.php';
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//@require 'Swift/IoException.php';
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/**
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* A KeyCache which streams to and from disk.
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* @package Swift
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* @subpackage KeyCache
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* @author Chris Corbyn
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*/
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class Swift_KeyCache_DiskKeyCache implements Swift_KeyCache
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{
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/** Signal to place pointer at start of file */
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const POSITION_START = 0;
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/** Signal to place pointer at end of file */
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const POSITION_END = 1;
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/**
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* An InputStream for cloning.
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* @var Swift_KeyCache_KeyCacheInputStream
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* @access private
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*/
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private $_stream;
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/**
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* A path to write to.
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* @var string
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* @access private
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*/
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private $_path;
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/**
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* Stored keys.
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* @var array
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* @access private
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*/
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private $_keys = array();
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/**
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* Will be true if magic_quotes_runtime is turned on.
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* @var boolean
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* @access private
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*/
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private $_quotes = false;
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/**
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* Create a new DiskKeyCache with the given $stream for cloning to make
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* InputByteStreams, and the given $path to save to.
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* @param Swift_KeyCache_KeyCacheInputStream $stream
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* @param string $path to save to
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*/
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public function __construct(Swift_KeyCache_KeyCacheInputStream $stream, $path)
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{
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$this->_stream = $stream;
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$this->_path = $path;
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$this->_quotes = get_magic_quotes_runtime();
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}
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/**
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* Set a string into the cache under $itemKey for the namespace $nsKey.
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* @param string $nsKey
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* @param string $itemKey
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* @param string $string
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* @param int $mode
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* @throws Swift_IoException
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* @see MODE_WRITE, MODE_APPEND
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*/
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public function setString($nsKey, $itemKey, $string, $mode)
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{
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$this->_prepareCache($nsKey);
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switch ($mode)
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{
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case self::MODE_WRITE:
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$fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_START);
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break;
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case self::MODE_APPEND:
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$fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_END);
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break;
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default:
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throw new Swift_SwiftException(
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'Invalid mode [' . $mode . '] used to set nsKey='.
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$nsKey . ', itemKey=' . $itemKey
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);
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break;
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}
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fwrite($fp, $string);
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}
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/**
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* Set a ByteStream into the cache under $itemKey for the namespace $nsKey.
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* @param string $nsKey
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* @param string $itemKey
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* @param Swift_OutputByteStream $os
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* @param int $mode
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* @see MODE_WRITE, MODE_APPEND
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* @throws Swift_IoException
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*/
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public function importFromByteStream($nsKey, $itemKey, Swift_OutputByteStream $os,
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$mode)
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{
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$this->_prepareCache($nsKey);
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switch ($mode)
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{
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case self::MODE_WRITE:
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$fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_START);
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break;
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case self::MODE_APPEND:
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$fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_END);
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break;
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default:
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throw new Swift_SwiftException(
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'Invalid mode [' . $mode . '] used to set nsKey='.
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$nsKey . ', itemKey=' . $itemKey
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);
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break;
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}
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while (false !== $bytes = $os->read(8192))
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{
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fwrite($fp, $bytes);
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}
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}
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/**
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* Provides a ByteStream which when written to, writes data to $itemKey.
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* NOTE: The stream will always write in append mode.
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* @param string $nsKey
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* @param string $itemKey
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* @return Swift_InputByteStream
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*/
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public function getInputByteStream($nsKey, $itemKey,
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Swift_InputByteStream $writeThrough = null)
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{
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$is = clone $this->_stream;
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$is->setKeyCache($this);
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$is->setNsKey($nsKey);
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$is->setItemKey($itemKey);
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if (isset($writeThrough))
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{
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$is->setWriteThroughStream($writeThrough);
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}
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return $is;
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}
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/**
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* Get data back out of the cache as a string.
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* @param string $nsKey
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* @param string $itemKey
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* @return string
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* @throws Swift_IoException
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*/
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public function getString($nsKey, $itemKey)
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{
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$this->_prepareCache($nsKey);
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if ($this->hasKey($nsKey, $itemKey))
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{
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$fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_START);
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if ($this->_quotes)
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{
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set_magic_quotes_runtime(0);
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}
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$str = '';
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while (!feof($fp) && false !== $bytes = fread($fp, 8192))
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{
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$str .= $bytes;
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}
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if ($this->_quotes)
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{
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set_magic_quotes_runtime(1);
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}
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return $str;
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}
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}
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/**
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* Get data back out of the cache as a ByteStream.
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* @param string $nsKey
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* @param string $itemKey
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* @param Swift_InputByteStream $is to write the data to
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*/
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public function exportToByteStream($nsKey, $itemKey, Swift_InputByteStream $is)
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{
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if ($this->hasKey($nsKey, $itemKey))
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{
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$fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_START);
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if ($this->_quotes)
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{
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set_magic_quotes_runtime(0);
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}
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while (!feof($fp) && false !== $bytes = fread($fp, 8192))
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{
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$is->write($bytes);
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}
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if ($this->_quotes)
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{
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set_magic_quotes_runtime(1);
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}
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}
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}
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/**
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* Check if the given $itemKey exists in the namespace $nsKey.
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* @param string $nsKey
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* @param string $itemKey
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* @return boolean
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*/
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public function hasKey($nsKey, $itemKey)
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{
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return is_file($this->_path . '/' . $nsKey . '/' . $itemKey);
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}
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/**
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* Clear data for $itemKey in the namespace $nsKey if it exists.
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* @param string $nsKey
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* @param string $itemKey
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*/
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public function clearKey($nsKey, $itemKey)
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{
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if ($this->hasKey($nsKey, $itemKey))
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{
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$fp = $this->_getHandle($nsKey, $itemKey, self::POSITION_END);
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fclose($fp);
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unlink($this->_path . '/' . $nsKey . '/' . $itemKey);
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}
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unset($this->_keys[$nsKey][$itemKey]);
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}
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/**
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* Clear all data in the namespace $nsKey if it exists.
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* @param string $nsKey
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*/
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public function clearAll($nsKey)
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{
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if (array_key_exists($nsKey, $this->_keys))
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{
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foreach ($this->_keys[$nsKey] as $itemKey=>$null)
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{
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$this->clearKey($nsKey, $itemKey);
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}
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rmdir($this->_path . '/' . $nsKey);
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unset($this->_keys[$nsKey]);
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}
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}
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// -- Private methods
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/**
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* Initialize the namespace of $nsKey if needed.
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* @param string $nsKey
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* @access private
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*/
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private function _prepareCache($nsKey)
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{
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$cacheDir = $this->_path . '/' . $nsKey;
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if (!is_dir($cacheDir))
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{
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if (!mkdir($cacheDir))
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{
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throw new Swift_IoException('Failed to create cache directory ' . $cacheDir);
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}
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$this->_keys[$nsKey] = array();
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}
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}
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/**
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* Get a file handle on the cache item.
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* @param string $nsKey
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* @param string $itemKey
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* @param int $position
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* @return resource
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* @access private
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*/
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private function _getHandle($nsKey, $itemKey, $position)
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{
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if (!isset($this->_keys[$nsKey]) || !array_key_exists($itemKey, $this->_keys[$nsKey]))
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{
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$fp = fopen($this->_path . '/' . $nsKey . '/' . $itemKey, 'w+b');
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$this->_keys[$nsKey][$itemKey] = $fp;
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}
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if (self::POSITION_START == $position)
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{
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fseek($this->_keys[$nsKey][$itemKey], 0, SEEK_SET);
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}
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else
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{
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fseek($this->_keys[$nsKey][$itemKey], 0, SEEK_END);
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}
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return $this->_keys[$nsKey][$itemKey];
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}
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/**
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* Destructor.
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*/
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public function __destruct()
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{
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foreach ($this->_keys as $nsKey=>$null)
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{
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$this->clearAll($nsKey);
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}
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}
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}
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