template 엔진 '일단' 추가

e_lib/plates/Extension/URI.php

@@ -0,0 +1,113 @@
+<?php
+
+namespace League\Plates\Extension;
+
+use League\Plates\Engine;
+use League\Plates\Template\Template;
+use LogicException;
+
+/**
+ * Extension that adds a number of URI checks.
+ */
+class URI implements ExtensionInterface
+{
+    /**
+     * Instance of the current template.
+     * @var Template
+     */
+    public $template;
+
+    /**
+     * The request URI.
+     * @var string
+     */
+    protected $uri;
+
+    /**
+     * The request URI as an array.
+     * @var array
+     */
+    protected $parts;
+
+    /**
+     * Create new URI instance.
+     * @param string $uri
+     */
+    public function __construct($uri)
+    {
+        $this->uri = $uri;
+        $this->parts = explode('/', $this->uri);
+    }
+
+    /**
+     * Register extension functions.
+     * @param Engine $engine
+     * @return null
+     */
+    public function register(Engine $engine)
+    {
+        $engine->registerFunction('uri', array($this, 'runUri'));
+    }
+
+    /**
+     * Perform URI check.
+     * @param  null|integer|string $var1
+     * @param  mixed               $var2
+     * @param  mixed               $var3
+     * @param  mixed               $var4
+     * @return mixed
+     */
+    public function runUri($var1 = null, $var2 = null, $var3 = null, $var4 = null)
+    {
+        if (is_null($var1)) {
+            return $this->uri;
+        }
+
+        if (is_numeric($var1) and is_null($var2)) {
+            return array_key_exists($var1, $this->parts) ? $this->parts[$var1] : null;
+        }
+
+        if (is_numeric($var1) and is_string($var2)) {
+            return $this->checkUriSegmentMatch($var1, $var2, $var3, $var4);
+        }
+
+        if (is_string($var1)) {
+            return $this->checkUriRegexMatch($var1, $var2, $var3);
+        }
+
+        throw new LogicException('Invalid use of the uri function.');
+    }
+
+    /**
+     * Perform a URI segment match.
+     * @param  integer $key
+     * @param  string  $string
+     * @param  mixed   $returnOnTrue
+     * @param  mixed   $returnOnFalse
+     * @return mixed
+     */
+    protected function checkUriSegmentMatch($key, $string, $returnOnTrue = null, $returnOnFalse = null)
+    {
+        if (array_key_exists($key, $this->parts) && $this->parts[$key] === $string) {
+            return is_null($returnOnTrue) ? true : $returnOnTrue;
+        }
+
+        return is_null($returnOnFalse) ? false : $returnOnFalse;
+    }
+
+    /**
+     * Perform a regular express match.
+     * @param  string $regex
+     * @param  mixed  $returnOnTrue
+     * @param  mixed  $returnOnFalse
+     * @return mixed
+     */
+    protected function checkUriRegexMatch($regex, $returnOnTrue = null, $returnOnFalse = null)
+    {
+        if (preg_match('#^' . $regex . '$#', $this->uri) === 1) {
+            return is_null($returnOnTrue) ? true : $returnOnTrue;
+        }
+
+        return is_null($returnOnFalse) ? false : $returnOnFalse;
+    }
+}