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- <?php
- /**
- * Created by PhpStorm.
- * User: phperstar
- * Date: 2020/8/10
- * Time: 6:11 PM
- */
- namespace Util\PHPExcel;
- use Util\PHPExcel\Worksheet;
- class CachedObjectStorageFactory
- {
- const cache_in_memory = 'Memory';
- const cache_in_memory_gzip = 'MemoryGZip';
- const cache_in_memory_serialized = 'MemorySerialized';
- const cache_igbinary = 'Igbinary';
- const cache_to_discISAM = 'DiscISAM';
- const cache_to_apc = 'APC';
- const cache_to_memcache = 'Memcache';
- const cache_to_phpTemp = 'PHPTemp';
- const cache_to_wincache = 'Wincache';
- const cache_to_sqlite = 'SQLite';
- const cache_to_sqlite3 = 'SQLite3';
- /**
- * List of all possible cache storage methods
- *
- * @var string[]
- */
- private static $storageMethods = array(
- self::cache_in_memory,
- self::cache_in_memory_gzip,
- self::cache_in_memory_serialized,
- self::cache_igbinary,
- self::cache_to_phpTemp,
- self::cache_to_discISAM,
- self::cache_to_apc,
- self::cache_to_memcache,
- self::cache_to_wincache,
- self::cache_to_sqlite,
- self::cache_to_sqlite3,
- );
- /**
- * Default arguments for each cache storage method
- *
- * @var array of mixed array
- */
- private static $storageMethodDefaultParameters = array(
- self::cache_in_memory => array(
- ),
- self::cache_in_memory_gzip => array(
- ),
- self::cache_in_memory_serialized => array(
- ),
- self::cache_igbinary => array(
- ),
- self::cache_to_phpTemp => array( 'memoryCacheSize' => '1MB'
- ),
- self::cache_to_discISAM => array( 'dir' => null
- ),
- self::cache_to_apc => array( 'cacheTime' => 600
- ),
- self::cache_to_memcache => array( 'memcacheServer' => 'localhost',
- 'memcachePort' => 11211,
- 'cacheTime' => 600
- ),
- self::cache_to_wincache => array( 'cacheTime' => 600
- ),
- self::cache_to_sqlite => array(
- ),
- self::cache_to_sqlite3 => array(
- ),
- );
- /**
- * Arguments for the active cache storage method
- *
- * @var array of mixed array
- */
- private static $storageMethodParameters = array();
- /**
- * Name of the method used for cell cacheing
- *
- * @var string
- */
- private static $cacheStorageMethod = null;
- /**
- * Name of the class used for cell cacheing
- *
- * @var string
- */
- private static $cacheStorageClass = null;
- /**
- * Initialise the cache storage
- *
- * @param PHPExcel_Worksheet $parent Enable cell caching for this worksheet
- * @return PHPExcel_CachedObjectStorage_ICache
- **/
- public static function getInstance(Worksheet $parent)
- {
- $cacheMethodIsAvailable = true;
- if (self::$cacheStorageMethod === null) {
- $cacheMethodIsAvailable = self::initialize();
- }
- if ($cacheMethodIsAvailable) {
- $instance = new self::$cacheStorageClass(
- $parent,
- self::$storageMethodParameters[self::$cacheStorageMethod]
- );
- if ($instance !== null) {
- return $instance;
- }
- }
- return false;
- }
- /**
- * Identify the cache storage method to use
- *
- * @param string $method Name of the method to use for cell cacheing
- * @param array of mixed $arguments Additional arguments to pass to the cell caching class
- * when instantiating
- * @return boolean
- **/
- public static function initialize($method = self::cache_in_memory_serialized, $arguments = array())
- {
- if (!in_array($method, self::$storageMethods)) {
- return false;
- }
- $cacheStorageClass = "\Util\PHPExcel\CachedObjectStorage\\".$method;
- if (!call_user_func(array( $cacheStorageClass,
- 'cacheMethodIsAvailable'))) {
- return false;
- }
- self::$storageMethodParameters[$method] = self::$storageMethodDefaultParameters[$method];
- foreach ($arguments as $k => $v) {
- if (array_key_exists($k, self::$storageMethodParameters[$method])) {
- self::$storageMethodParameters[$method][$k] = $v;
- }
- }
- if (self::$cacheStorageMethod === null) {
- self::$cacheStorageClass = "\Util\PHPExcel\CachedObjectStorage\\".$method;
- self::$cacheStorageMethod = $method;
- }
- return true;
- }
- }
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