From 874b8cbf002e9d8bf0ff39671e1501165016320a Mon Sep 17 00:00:00 2001
From: Michael Save <savetheinternet@tinyboard.org>
Date: Mon, 9 Apr 2012 20:52:26 +1000
Subject: inc/contrib -> inc/lib

---
 inc/lib/minify/Minify/Cache/ZendPlatform.php | 142 +++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100755 inc/lib/minify/Minify/Cache/ZendPlatform.php

(limited to 'inc/lib/minify/Minify/Cache/ZendPlatform.php')

diff --git a/inc/lib/minify/Minify/Cache/ZendPlatform.php b/inc/lib/minify/Minify/Cache/ZendPlatform.php
new file mode 100755
index 00000000..3130d69a
--- /dev/null
+++ b/inc/lib/minify/Minify/Cache/ZendPlatform.php
@@ -0,0 +1,142 @@
+<?php
+/**
+ * Class Minify_Cache_ZendPlatform
+ * @package Minify
+ */
+
+
+/**
+ * ZendPlatform-based cache class for Minify
+ *
+ * Based on Minify_Cache_APC, uses output_cache_get/put (currently deprecated)
+ * 
+ * <code>
+ * Minify::setCache(new Minify_Cache_ZendPlatform());
+ * </code>
+ *
+ * @package Minify
+ * @author Patrick van Dissel
+ */
+class Minify_Cache_ZendPlatform {
+
+
+    /**
+     * Create a Minify_Cache_ZendPlatform object, to be passed to
+     * Minify::setCache().
+     *
+     * @param int $expire seconds until expiration (default = 0
+     * meaning the item will not get an expiration date)
+     *
+     * @return null
+     */
+    public function __construct($expire = 0)
+    {
+        $this->_exp = $expire;
+    }
+
+
+    /**
+     * Write data to cache.
+     *
+     * @param string $id cache id
+     *
+     * @param string $data
+     *
+     * @return bool success
+     */
+    public function store($id, $data)
+    {
+        return output_cache_put($id, "{$_SERVER['REQUEST_TIME']}|{$data}");
+    }
+
+
+    /**
+     * Get the size of a cache entry
+     *
+     * @param string $id cache id
+     *
+     * @return int size in bytes
+     */
+    public function getSize($id)
+    {
+        return $this->_fetch($id)
+            ? strlen($this->_data)
+            : false;
+    }
+
+
+    /**
+     * Does a valid cache entry exist?
+     *
+     * @param string $id cache id
+     *
+     * @param int $srcMtime mtime of the original source file(s)
+     *
+     * @return bool exists
+     */
+    public function isValid($id, $srcMtime)
+    {
+        $ret = ($this->_fetch($id) && ($this->_lm >= $srcMtime));
+        return $ret;
+    }
+
+
+    /**
+     * Send the cached content to output
+     *
+     * @param string $id cache id
+     */
+    public function display($id)
+    {
+        echo $this->_fetch($id)
+            ? $this->_data
+            : '';
+    }
+
+
+    /**
+     * Fetch the cached content
+     *
+     * @param string $id cache id
+     *
+     * @return string
+     */
+    public function fetch($id)
+    {
+        return $this->_fetch($id)
+            ? $this->_data
+            : '';
+    }
+
+
+    private $_exp = null;
+
+
+    // cache of most recently fetched id
+    private $_lm = null;
+    private $_data = null;
+    private $_id = null;
+
+
+    /**
+     * Fetch data and timestamp from ZendPlatform, store in instance
+     *
+     * @param string $id
+     *
+     * @return bool success
+     */
+    private function _fetch($id)
+    {
+        if ($this->_id === $id) {
+            return true;
+        }
+        $ret = output_cache_get($id, $this->_exp);
+        if (false === $ret) {
+            $this->_id = null;
+            return false;
+        }
+        list($this->_lm, $this->_data) = explode('|', $ret, 2);
+        $this->_id = $id;
+        return true;
+    }
+}
-- 
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