diff options
Diffstat (limited to '3rdparty/simplepie/library/SimplePie/Cache')
-rw-r--r-- | 3rdparty/simplepie/library/SimplePie/Cache/Base.php | 114 | ||||
-rw-r--r-- | 3rdparty/simplepie/library/SimplePie/Cache/DB.php | 137 | ||||
-rw-r--r-- | 3rdparty/simplepie/library/SimplePie/Cache/File.php | 173 | ||||
-rw-r--r-- | 3rdparty/simplepie/library/SimplePie/Cache/Memcache.php | 183 | ||||
-rw-r--r-- | 3rdparty/simplepie/library/SimplePie/Cache/MySQL.php | 438 |
5 files changed, 1045 insertions, 0 deletions
diff --git a/3rdparty/simplepie/library/SimplePie/Cache/Base.php b/3rdparty/simplepie/library/SimplePie/Cache/Base.php new file mode 100644 index 000000000..937e34631 --- /dev/null +++ b/3rdparty/simplepie/library/SimplePie/Cache/Base.php @@ -0,0 +1,114 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @version 1.3.1 + * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Base for cache objects + * + * Classes to be used with {@see SimplePie_Cache::register()} are expected + * to implement this interface. + * + * @package SimplePie + * @subpackage Caching + */ +interface SimplePie_Cache_Base +{ + /** + * Feed cache type + * + * @var string + */ + const TYPE_FEED = 'spc'; + + /** + * Image cache type + * + * @var string + */ + const TYPE_IMAGE = 'spi'; + + /** + * Create a new cache object + * + * @param string $location Location string (from SimplePie::$cache_location) + * @param string $name Unique ID for the cache + * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data + */ + public function __construct($location, $name, $type); + + /** + * Save data to the cache + * + * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property + * @return bool Successfulness + */ + public function save($data); + + /** + * Retrieve the data saved to the cache + * + * @return array Data for SimplePie::$data + */ + public function load(); + + /** + * Retrieve the last modified time for the cache + * + * @return int Timestamp + */ + public function mtime(); + + /** + * Set the last modified time to the current time + * + * @return bool Success status + */ + public function touch(); + + /** + * Remove the cache + * + * @return bool Success status + */ + public function unlink(); +} diff --git a/3rdparty/simplepie/library/SimplePie/Cache/DB.php b/3rdparty/simplepie/library/SimplePie/Cache/DB.php new file mode 100644 index 000000000..ac509ae08 --- /dev/null +++ b/3rdparty/simplepie/library/SimplePie/Cache/DB.php @@ -0,0 +1,137 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @version 1.3.1 + * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Base class for database-based caches + * + * @package SimplePie + * @subpackage Caching + */ +abstract class SimplePie_Cache_DB implements SimplePie_Cache_Base +{ + /** + * Helper for database conversion + * + * Converts a given {@see SimplePie} object into data to be stored + * + * @param SimplePie $data + * @return array First item is the serialized data for storage, second item is the unique ID for this item + */ + protected static function prepare_simplepie_object_for_cache($data) + { + $items = $data->get_items(); + $items_by_id = array(); + + if (!empty($items)) + { + foreach ($items as $item) + { + $items_by_id[$item->get_id()] = $item; + } + + if (count($items_by_id) !== count($items)) + { + $items_by_id = array(); + foreach ($items as $item) + { + $items_by_id[$item->get_id(true)] = $item; + } + } + + if (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0])) + { + $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]; + } + elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0])) + { + $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]; + } + elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0])) + { + $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]; + } + elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0])) + { + $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0]; + } + else + { + $channel = null; + } + + if ($channel !== null) + { + if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry'])) + { + unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']); + } + if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry'])) + { + unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']); + } + if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item'])) + { + unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']); + } + if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item'])) + { + unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']); + } + if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item'])) + { + unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']); + } + } + if (isset($data->data['items'])) + { + unset($data->data['items']); + } + if (isset($data->data['ordered_items'])) + { + unset($data->data['ordered_items']); + } + } + return array(serialize($data->data), $items_by_id); + } +} diff --git a/3rdparty/simplepie/library/SimplePie/Cache/File.php b/3rdparty/simplepie/library/SimplePie/Cache/File.php new file mode 100644 index 000000000..5797b3aed --- /dev/null +++ b/3rdparty/simplepie/library/SimplePie/Cache/File.php @@ -0,0 +1,173 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @version 1.3.1 + * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Caches data to the filesystem + * + * @package SimplePie + * @subpackage Caching + */ +class SimplePie_Cache_File implements SimplePie_Cache_Base +{ + /** + * Location string + * + * @see SimplePie::$cache_location + * @var string + */ + protected $location; + + /** + * Filename + * + * @var string + */ + protected $filename; + + /** + * File extension + * + * @var string + */ + protected $extension; + + /** + * File path + * + * @var string + */ + protected $name; + + /** + * Create a new cache object + * + * @param string $location Location string (from SimplePie::$cache_location) + * @param string $name Unique ID for the cache + * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data + */ + public function __construct($location, $name, $type) + { + $this->location = $location; + $this->filename = $name; + $this->extension = $type; + $this->name = "$this->location/$this->filename.$this->extension"; + } + + /** + * Save data to the cache + * + * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property + * @return bool Successfulness + */ + public function save($data) + { + if (file_exists($this->name) && is_writeable($this->name) || file_exists($this->location) && is_writeable($this->location)) + { + if ($data instanceof SimplePie) + { + $data = $data->data; + } + + $data = serialize($data); + return (bool) file_put_contents($this->name, $data); + } + return false; + } + + /** + * Retrieve the data saved to the cache + * + * @return array Data for SimplePie::$data + */ + public function load() + { + if (file_exists($this->name) && is_readable($this->name)) + { + return unserialize(file_get_contents($this->name)); + } + return false; + } + + /** + * Retrieve the last modified time for the cache + * + * @return int Timestamp + */ + public function mtime() + { + if (file_exists($this->name)) + { + return filemtime($this->name); + } + return false; + } + + /** + * Set the last modified time to the current time + * + * @return bool Success status + */ + public function touch() + { + if (file_exists($this->name)) + { + return touch($this->name); + } + return false; + } + + /** + * Remove the cache + * + * @return bool Success status + */ + public function unlink() + { + if (file_exists($this->name)) + { + return unlink($this->name); + } + return false; + } +} diff --git a/3rdparty/simplepie/library/SimplePie/Cache/Memcache.php b/3rdparty/simplepie/library/SimplePie/Cache/Memcache.php new file mode 100644 index 000000000..fd4478060 --- /dev/null +++ b/3rdparty/simplepie/library/SimplePie/Cache/Memcache.php @@ -0,0 +1,183 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @version 1.3.1 + * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Caches data to memcache + * + * Registered for URLs with the "memcache" protocol + * + * For example, `memcache://localhost:11211/?timeout=3600&prefix=sp_` will + * connect to memcache on `localhost` on port 11211. All tables will be + * prefixed with `sp_` and data will expire after 3600 seconds + * + * @package SimplePie + * @subpackage Caching + * @uses Memcache + */ +class SimplePie_Cache_Memcache implements SimplePie_Cache_Base +{ + /** + * Memcache instance + * + * @var Memcache + */ + protected $cache; + + /** + * Options + * + * @var array + */ + protected $options; + + /** + * Cache name + * + * @var string + */ + protected $name; + + /** + * Create a new cache object + * + * @param string $location Location string (from SimplePie::$cache_location) + * @param string $name Unique ID for the cache + * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data + */ + public function __construct($location, $name, $type) + { + $this->options = array( + 'host' => '127.0.0.1', + 'port' => 11211, + 'extras' => array( + 'timeout' => 3600, // one hour + 'prefix' => 'simplepie_', + ), + ); + $parsed = SimplePie_Cache::parse_URL($location); + $this->options['host'] = empty($parsed['host']) ? $this->options['host'] : $parsed['host']; + $this->options['port'] = empty($parsed['port']) ? $this->options['port'] : $parsed['port']; + $this->options['extras'] = array_merge($this->options['extras'], $parsed['extras']); + $this->name = $this->options['extras']['prefix'] . md5("$name:$type"); + + $this->cache = new Memcache(); + $this->cache->addServer($this->options['host'], (int) $this->options['port']); + } + + /** + * Save data to the cache + * + * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property + * @return bool Successfulness + */ + public function save($data) + { + if ($data instanceof SimplePie) + { + $data = $data->data; + } + return $this->cache->set($this->name, serialize($data), MEMCACHE_COMPRESSED, (int) $this->options['extras']['timeout']); + } + + /** + * Retrieve the data saved to the cache + * + * @return array Data for SimplePie::$data + */ + public function load() + { + $data = $this->cache->get($this->name); + + if ($data !== false) + { + return unserialize($data); + } + return false; + } + + /** + * Retrieve the last modified time for the cache + * + * @return int Timestamp + */ + public function mtime() + { + $data = $this->cache->get($this->name); + + if ($data !== false) + { + // essentially ignore the mtime because Memcache expires on it's own + return time(); + } + + return false; + } + + /** + * Set the last modified time to the current time + * + * @return bool Success status + */ + public function touch() + { + $data = $this->cache->get($this->name); + + if ($data !== false) + { + return $this->cache->set($this->name, $data, MEMCACHE_COMPRESSED, (int) $this->duration); + } + + return false; + } + + /** + * Remove the cache + * + * @return bool Success status + */ + public function unlink() + { + return $this->cache->delete($this->name, 0); + } +} diff --git a/3rdparty/simplepie/library/SimplePie/Cache/MySQL.php b/3rdparty/simplepie/library/SimplePie/Cache/MySQL.php new file mode 100644 index 000000000..d53ebc117 --- /dev/null +++ b/3rdparty/simplepie/library/SimplePie/Cache/MySQL.php @@ -0,0 +1,438 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @version 1.3.1 + * @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Caches data to a MySQL database + * + * Registered for URLs with the "mysql" protocol + * + * For example, `mysql://root:password@localhost:3306/mydb?prefix=sp_` will + * connect to the `mydb` database on `localhost` on port 3306, with the user + * `root` and the password `password`. All tables will be prefixed with `sp_` + * + * @package SimplePie + * @subpackage Caching + */ +class SimplePie_Cache_MySQL extends SimplePie_Cache_DB +{ + /** + * PDO instance + * + * @var PDO + */ + protected $mysql; + + /** + * Options + * + * @var array + */ + protected $options; + + /** + * Cache ID + * + * @var string + */ + protected $id; + + /** + * Create a new cache object + * + * @param string $location Location string (from SimplePie::$cache_location) + * @param string $name Unique ID for the cache + * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data + */ + public function __construct($location, $name, $type) + { + $this->options = array( + 'user' => null, + 'pass' => null, + 'host' => '127.0.0.1', + 'port' => '3306', + 'path' => '', + 'extras' => array( + 'prefix' => '', + ), + ); + $this->options = array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location)); + + // Path is prefixed with a "/" + $this->options['dbname'] = substr($this->options['path'], 1); + + try + { + $this->mysql = new PDO("mysql:dbname={$this->options['dbname']};host={$this->options['host']};port={$this->options['port']}", $this->options['user'], $this->options['pass'], array(PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8')); + } + catch (PDOException $e) + { + $this->mysql = null; + return; + } + + $this->id = $name . $type; + + if (!$query = $this->mysql->query('SHOW TABLES')) + { + $this->mysql = null; + return; + } + + $db = array(); + while ($row = $query->fetchColumn()) + { + $db[] = $row; + } + + if (!in_array($this->options['extras']['prefix'] . 'cache_data', $db)) + { + $query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'cache_data` (`id` TEXT CHARACTER SET utf8 NOT NULL, `items` SMALLINT NOT NULL DEFAULT 0, `data` BLOB NOT NULL, `mtime` INT UNSIGNED NOT NULL, UNIQUE (`id`(125)))'); + if ($query === false) + { + $this->mysql = null; + } + } + + if (!in_array($this->options['extras']['prefix'] . 'items', $db)) + { + $query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'items` (`feed_id` TEXT CHARACTER SET utf8 NOT NULL, `id` TEXT CHARACTER SET utf8 NOT NULL, `data` TEXT CHARACTER SET utf8 NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))'); + if ($query === false) + { + $this->mysql = null; + } + } + } + + /** + * Save data to the cache + * + * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property + * @return bool Successfulness + */ + public function save($data) + { + if ($this->mysql === null) + { + return false; + } + + if ($data instanceof SimplePie) + { + $data = clone $data; + + $prepared = self::prepare_simplepie_object_for_cache($data); + + $query = $this->mysql->prepare('SELECT COUNT(*) FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :feed'); + $query->bindValue(':feed', $this->id); + if ($query->execute()) + { + if ($query->fetchColumn() > 0) + { + $items = count($prepared[1]); + if ($items) + { + $sql = 'UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `items` = :items, `data` = :data, `mtime` = :time WHERE `id` = :feed'; + $query = $this->mysql->prepare($sql); + $query->bindValue(':items', $items); + } + else + { + $sql = 'UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `data` = :data, `mtime` = :time WHERE `id` = :feed'; + $query = $this->mysql->prepare($sql); + } + + $query->bindValue(':data', $prepared[0]); + $query->bindValue(':time', time()); + $query->bindValue(':feed', $this->id); + if (!$query->execute()) + { + return false; + } + } + else + { + $query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:feed, :count, :data, :time)'); + $query->bindValue(':feed', $this->id); + $query->bindValue(':count', count($prepared[1])); + $query->bindValue(':data', $prepared[0]); + $query->bindValue(':time', time()); + if (!$query->execute()) + { + return false; + } + } + + $ids = array_keys($prepared[1]); + if (!empty($ids)) + { + foreach ($ids as $id) + { + $database_ids[] = $this->mysql->quote($id); + } + + $query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `id` = ' . implode(' OR `id` = ', $database_ids) . ' AND `feed_id` = :feed'); + $query->bindValue(':feed', $this->id); + + if ($query->execute()) + { + $existing_ids = array(); + while ($row = $query->fetchColumn()) + { + $existing_ids[] = $row; + } + + $new_ids = array_diff($ids, $existing_ids); + + foreach ($new_ids as $new_id) + { + if (!($date = $prepared[1][$new_id]->get_date('U'))) + { + $date = time(); + } + + $query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'items` (`feed_id`, `id`, `data`, `posted`) VALUES(:feed, :id, :data, :date)'); + $query->bindValue(':feed', $this->id); + $query->bindValue(':id', $new_id); + $query->bindValue(':data', serialize($prepared[1][$new_id]->data)); + $query->bindValue(':date', $date); + if (!$query->execute()) + { + return false; + } + } + return true; + } + } + else + { + return true; + } + } + } + else + { + $query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :feed'); + $query->bindValue(':feed', $this->id); + if ($query->execute()) + { + if ($query->rowCount() > 0) + { + $query = $this->mysql->prepare('UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `items` = 0, `data` = :data, `mtime` = :time WHERE `id` = :feed'); + $query->bindValue(':data', serialize($data)); + $query->bindValue(':time', time()); + $query->bindValue(':feed', $this->id); + if ($this->execute()) + { + return true; + } + } + else + { + $query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:id, 0, :data, :time)'); + $query->bindValue(':id', $this->id); + $query->bindValue(':data', serialize($data)); + $query->bindValue(':time', time()); + if ($query->execute()) + { + return true; + } + } + } + } + return false; + } + + /** + * Retrieve the data saved |