template 엔진 '일단' 추가

e_lib/plates/Extension/Asset.php

@@ -0,0 +1,85 @@
+<?php
+
+namespace League\Plates\Extension;
+
+use League\Plates\Engine;
+use League\Plates\Template\Template;
+use LogicException;
+
+/**
+ * Extension that adds the ability to create "cache busted" asset URLs.
+ */
+class Asset implements ExtensionInterface
+{
+    /**
+     * Instance of the current template.
+     * @var Template
+     */
+    public $template;
+
+    /**
+     * Path to asset directory.
+     * @var string
+     */
+    public $path;
+
+    /**
+     * Enables the filename method.
+     * @var boolean
+     */
+    public $filenameMethod;
+
+    /**
+     * Create new Asset instance.
+     * @param string  $path
+     * @param boolean $filenameMethod
+     */
+    public function __construct($path, $filenameMethod = false)
+    {
+        $this->path = rtrim($path, '/');
+        $this->filenameMethod = $filenameMethod;
+    }
+
+    /**
+     * Register extension function.
+     * @param Engine $engine
+     * @return null
+     */
+    public function register(Engine $engine)
+    {
+        $engine->registerFunction('asset', array($this, 'cachedAssetUrl'));
+    }
+
+    /**
+     * Create "cache busted" asset URL.
+     * @param  string $url
+     * @return string
+     */
+    public function cachedAssetUrl($url)
+    {
+        $filePath = $this->path . '/' .  ltrim($url, '/');
+
+        if (!file_exists($filePath)) {
+            throw new LogicException(
+                'Unable to locate the asset "' . $url . '" in the "' . $this->path . '" directory.'
+            );
+        }
+
+        $lastUpdated = filemtime($filePath);
+        $pathInfo = pathinfo($url);
+
+        if ($pathInfo['dirname'] === '.') {
+            $directory = '';
+        } elseif ($pathInfo['dirname'] === '/') {
+            $directory = '/';
+        } else {
+            $directory = $pathInfo['dirname'] . '/';
+        }
+
+        if ($this->filenameMethod) {
+            return $directory . $pathInfo['filename'] . '.' . $lastUpdated . '.' . $pathInfo['extension'];
+        }
+
+        return $directory . $pathInfo['filename'] . '.' . $pathInfo['extension'] . '?v=' . $lastUpdated;
+    }
+}