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wp-content/plugins/smart-slider-3/Nextend/Framework/Cache/Manifest.php

@@ -0,0 +1,103 @@
+<?php
+
+namespace Nextend\Framework\Cache;
+
+class Manifest extends AbstractCache {
+
+    private $isRaw = false;
+
+    private $manifestData;
+
+    public function __construct($group, $isAccessible = false, $isRaw = false) {
+        parent::__construct($group, $isAccessible);
+        $this->isRaw = $isRaw;
+    }
+
+    protected function decode($data) {
+        return $data;
+    }
+
+    /**
+     * @param          $fileName
+     * @param          $hash
+     * @param callback $callable
+     *
+     * @return bool
+     */
+    public function makeCache($fileName, $hash, $callable) {
+        if (!$this->isCached($fileName, $hash)) {
+
+            $return = call_user_func($callable, $this);
+            if ($return === false) {
+                return false;
+            }
+
+            return $this->createCacheFile($fileName, $hash, $return);
+        }
+        if ($this->isAccessible) {
+            return $this->getPath($fileName);
+        }
+
+        return $this->decode($this->get($fileName));
+    }
+
+    private function isCached($fileName, $hash) {
+
+
+        $manifestKey = $this->getManifestKey($fileName);
+        if ($this->exists($manifestKey)) {
+
+            $this->manifestData = json_decode($this->get($manifestKey), true);
+
+            if (!$this->isCacheValid($this->manifestData) || $this->manifestData['hash'] != $hash || !$this->exists($fileName)) {
+                $this->clean($fileName);
+
+                return false;
+            }
+
+            return true;
+        }
+
+        return false;
+    }
+
+    protected function createCacheFile($fileName, $hash, $content) {
+
+        $this->manifestData = array();
+
+        $this->manifestData['hash'] = $hash;
+        $this->addManifestData($this->manifestData);
+
+        $this->set($this->getManifestKey($fileName), json_encode($this->manifestData));
+
+        $this->set($fileName, $this->isRaw ? $content : json_encode($content));
+
+        if ($this->isAccessible) {
+            return $this->getPath($fileName);
+        }
+
+        return $content;
+    }
+
+    protected function isCacheValid(&$manifestData) {
+        return true;
+    }
+
+    protected function addManifestData(&$manifestData) {
+
+    }
+
+    public function clean($fileName) {
+
+        $this->remove($this->getManifestKey($fileName));
+        $this->remove($fileName);
+    }
+
+    protected function getManifestKey($fileName) {
+        return $fileName . '.manifest';
+    }
+
+    public function getData($key, $default = 0) {
+        return isset($this->manifestData[$key]) ? $this->manifestData[$key] : $default;
+    }
+}