From 72d4a9cd3e4bdaf0761ab415ca7ff08eee99dbc4 Mon Sep 17 00:00:00 2001
From: Alex Soncodi <asoncodi@gmail.com>
Date: Mon, 28 Oct 2013 23:38:50 -0500
Subject: [PATCH 1/3] Add disk cache.

---
 src/Handlebars/Cache/Disk.php | 110 ++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 src/Handlebars/Cache/Disk.php

diff --git a/src/Handlebars/Cache/Disk.php b/src/Handlebars/Cache/Disk.php
new file mode 100644
index 0000000..0f1fea9
--- /dev/null
+++ b/src/Handlebars/Cache/Disk.php
@@ -0,0 +1,110 @@
+<?php
+/**
+ * This file is part of Handlebars-php
+ * Base on mustache-php https://github.com/bobthecow/mustache.php
+ *
+ * PHP version 5.3
+ *
+ * @category  Xamin
+ * @package   Handlebars
+ * @author    Alex Soncodi <alex@brokerloop.com>
+ * @copyright 2013 (c) Brokerloop, Inc.
+ * @license   MIT <http://opensource.org/licenses/MIT>
+ * @version   GIT: $Id$
+ * @link      http://xamin.ir
+ */
+
+
+/**
+ * A flat-file filesystem cache.
+ *
+ * @category  Xamin
+ * @package   Handlebars
+ * @author    Alex Soncodi <alex@brokerloop.com>
+ * @copyright 2013 (c) Brokerloop, Inc.
+ * @license   MIT <http://opensource.org/licenses/MIT>
+ * @version   Release: @package_version@
+ * @link      http://xamin.ir
+ */
+
+class Handlebars_Cache_Disk implements Handlebars_Cache
+{
+    private $_path = '';
+    private $_prefix = '';
+    private $_suffix = '';
+
+    /**
+     * Construct the disk cache.
+     *
+     * @param string $path Filesystem path to the disk cache location
+     * @param string $prefix optional file prefix, defaults to empty string
+     * @param string $suffix optional file extension, defaults to empty string
+     */
+    public function __construct($path, $prefix = '', $suffix = '')
+    {
+        if (empty($path)) {
+            throw new InvalidArgumentException('Must specify disk cache path');
+        }
+
+        $this->_path = $path;
+        $this->_prefix = $prefix;
+        $this->_suffix = $suffix;
+    }
+
+    /**
+     * Gets the full disk path for a given cache item's file,
+     * taking into account the cache path, optional prefix,
+     * and optional extension.
+     *
+     * @param string $name Name of the cache item
+     */
+    private function getPath($name)
+    {
+        return $this->_path . DIRECTORY_SEPARATOR .
+            $this->_prefix . $name . $this->_suffix;
+    }
+
+    /**
+     * Get cache for $name if it exists.
+     *
+     * @param string $name Cache id
+     *
+     * @return data on hit, boolean false on cache not found
+     */
+    public function get($name)
+    {
+        $path = $this->getPath($name);
+
+        return (file_exists($path)) ?
+            unserialize(@file_get_contents($path)) : false;
+    }
+
+    /**
+     * Set a cache
+     *
+     * @param string $name  cache id
+     * @param mixed  $value data to store
+     *
+     * @return void
+     */
+    public function set($name, $value)
+    {
+        $path = $this->getPath($name);
+
+        @file_put_contents($path, serialize($value));
+    }
+
+    /**
+     * Remove cache
+     *
+     * @param string $name Cache id
+     *
+     * @return void
+     */
+    public function remove($name)
+    {
+        $path = $this->getPath($name);
+
+        @unlink($path);
+    }
+}

From 1b65a63b0c21f5cfa0ae677c221d5c0dd19c7770 Mon Sep 17 00:00:00 2001
From: Alex Soncodi <asoncodi@gmail.com>
Date: Tue, 29 Oct 2013 00:13:58 -0500
Subject: [PATCH 2/3] Create cache dir if it does not exist.

---
 src/Handlebars/Cache/Disk.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Handlebars/Cache/Disk.php b/src/Handlebars/Cache/Disk.php
index 0f1fea9..7915422 100644
--- a/src/Handlebars/Cache/Disk.php
+++ b/src/Handlebars/Cache/Disk.php
@@ -45,6 +45,13 @@ class Handlebars_Cache_Disk implements Handlebars_Cache
         if (empty($path)) {
             throw new InvalidArgumentException('Must specify disk cache path');
         }
+        else if (!is_dir($path)) {
+            @mkdir($path, 0777, true);
+
+            if (!is_dir($path)) {
+                throw new RuntimeException('Could not create cache file path');
+            }
+        }
 
         $this->_path = $path;
         $this->_prefix = $prefix;

From a7a01ed2ffb688722d8420fdb64690c3c1377573 Mon Sep 17 00:00:00 2001
From: Alex Soncodi <asoncodi@gmail.com>
Date: Tue, 29 Oct 2013 14:52:13 -0500
Subject: [PATCH 3/3] Do not ignore I/O errors.

---
 src/Handlebars/Cache/Disk.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/Handlebars/Cache/Disk.php b/src/Handlebars/Cache/Disk.php
index 7915422..1ded275 100644
--- a/src/Handlebars/Cache/Disk.php
+++ b/src/Handlebars/Cache/Disk.php
@@ -83,7 +83,7 @@ class Handlebars_Cache_Disk implements Handlebars_Cache
         $path = $this->getPath($name);
 
         return (file_exists($path)) ?
-            unserialize(@file_get_contents($path)) : false;
+            unserialize(file_get_contents($path)) : false;
     }
 
     /**
@@ -98,7 +98,7 @@ class Handlebars_Cache_Disk implements Handlebars_Cache
     {
         $path = $this->getPath($name);
 
-        @file_put_contents($path, serialize($value));
+        file_put_contents($path, serialize($value));
     }
 
     /**
@@ -112,6 +112,6 @@ class Handlebars_Cache_Disk implements Handlebars_Cache
     {
         $path = $this->getPath($name);
 
-        @unlink($path);
+        unlink($path);
     }
 }