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- <?php
- class PHPExcel_CachedObjectStorage_Wincache extends PHPExcel_CachedObjectStorage_CacheBase implements PHPExcel_CachedObjectStorage_ICache
- {
-
- private $cachePrefix = null;
-
- private $cacheTime = 600;
-
- protected function storeData()
- {
- if ($this->currentCellIsDirty && !empty($this->currentObjectID)) {
- $this->currentObject->detach();
- $obj = serialize($this->currentObject);
- if (wincache_ucache_exists($this->cachePrefix.$this->currentObjectID.'.cache')) {
- if (!wincache_ucache_set($this->cachePrefix.$this->currentObjectID.'.cache', $obj, $this->cacheTime)) {
- $this->__destruct();
- throw new PHPExcel_Exception('Failed to store cell '.$this->currentObjectID.' in WinCache');
- }
- } else {
- if (!wincache_ucache_add($this->cachePrefix.$this->currentObjectID.'.cache', $obj, $this->cacheTime)) {
- $this->__destruct();
- throw new PHPExcel_Exception('Failed to store cell '.$this->currentObjectID.' in WinCache');
- }
- }
- $this->currentCellIsDirty = false;
- }
- $this->currentObjectID = $this->currentObject = null;
- }
-
- public function addCacheData($pCoord, PHPExcel_Cell $cell)
- {
- if (($pCoord !== $this->currentObjectID) && ($this->currentObjectID !== null)) {
- $this->storeData();
- }
- $this->cellCache[$pCoord] = true;
- $this->currentObjectID = $pCoord;
- $this->currentObject = $cell;
- $this->currentCellIsDirty = true;
- return $cell;
- }
-
- public function isDataSet($pCoord)
- {
-
- if (parent::isDataSet($pCoord)) {
- if ($this->currentObjectID == $pCoord) {
- return true;
- }
-
- $success = wincache_ucache_exists($this->cachePrefix.$pCoord.'.cache');
- if ($success === false) {
-
- parent::deleteCacheData($pCoord);
- throw new PHPExcel_Exception('Cell entry '.$pCoord.' no longer exists in WinCache');
- }
- return true;
- }
- return false;
- }
-
- public function getCacheData($pCoord)
- {
- if ($pCoord === $this->currentObjectID) {
- return $this->currentObject;
- }
- $this->storeData();
-
- $obj = null;
- if (parent::isDataSet($pCoord)) {
- $success = false;
- $obj = wincache_ucache_get($this->cachePrefix.$pCoord.'.cache', $success);
- if ($success === false) {
-
- parent::deleteCacheData($pCoord);
- throw new PHPExcel_Exception('Cell entry '.$pCoord.' no longer exists in WinCache');
- }
- } else {
-
- return null;
- }
-
- $this->currentObjectID = $pCoord;
- $this->currentObject = unserialize($obj);
-
- $this->currentObject->attach($this);
-
- return $this->currentObject;
- }
-
- public function getCellList()
- {
- if ($this->currentObjectID !== null) {
- $this->storeData();
- }
- return parent::getCellList();
- }
-
- public function deleteCacheData($pCoord)
- {
-
- wincache_ucache_delete($this->cachePrefix.$pCoord.'.cache');
-
- parent::deleteCacheData($pCoord);
- }
-
- public function copyCellCollection(PHPExcel_Worksheet $parent)
- {
- parent::copyCellCollection($parent);
-
- $baseUnique = $this->getUniqueID();
- $newCachePrefix = substr(md5($baseUnique), 0, 8) . '.';
- $cacheList = $this->getCellList();
- foreach ($cacheList as $cellID) {
- if ($cellID != $this->currentObjectID) {
- $success = false;
- $obj = wincache_ucache_get($this->cachePrefix.$cellID.'.cache', $success);
- if ($success === false) {
-
- parent::deleteCacheData($cellID);
- throw new PHPExcel_Exception('Cell entry '.$cellID.' no longer exists in Wincache');
- }
- if (!wincache_ucache_add($newCachePrefix.$cellID.'.cache', $obj, $this->cacheTime)) {
- $this->__destruct();
- throw new PHPExcel_Exception('Failed to store cell '.$cellID.' in Wincache');
- }
- }
- }
- $this->cachePrefix = $newCachePrefix;
- }
-
- public function unsetWorksheetCells()
- {
- if (!is_null($this->currentObject)) {
- $this->currentObject->detach();
- $this->currentObject = $this->currentObjectID = null;
- }
-
- $this->__destruct();
- $this->cellCache = array();
-
- $this->parent = null;
- }
-
- public function __construct(PHPExcel_Worksheet $parent, $arguments)
- {
- $cacheTime = (isset($arguments['cacheTime'])) ? $arguments['cacheTime'] : 600;
- if (is_null($this->cachePrefix)) {
- $baseUnique = $this->getUniqueID();
- $this->cachePrefix = substr(md5($baseUnique), 0, 8).'.';
- $this->cacheTime = $cacheTime;
- parent::__construct($parent);
- }
- }
-
- public function __destruct()
- {
- $cacheList = $this->getCellList();
- foreach ($cacheList as $cellID) {
- wincache_ucache_delete($this->cachePrefix.$cellID.'.cache');
- }
- }
-
- public static function cacheMethodIsAvailable()
- {
- if (!function_exists('wincache_ucache_add')) {
- return false;
- }
- return true;
- }
- }
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