Version 1

[yaffs-website] / vendor / symfony / expression-language / Node / GetAttrNode.php

diff --git a/vendor/symfony/expression-language/Node/GetAttrNode.php b/vendor/symfony/expression-language/Node/GetAttrNode.php
new file mode 100644 (file)
index 0000000..ae22deb
--- /dev/null
+++ b/vendor/symfony/expression-language/Node/GetAttrNode.php
@@ -0,0 +1,97 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\ExpressionLanguage\Node;
+
+use Symfony\Component\ExpressionLanguage\Compiler;
+
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @internal
+ */
+class GetAttrNode extends Node
+{
+    const PROPERTY_CALL = 1;
+    const METHOD_CALL = 2;
+    const ARRAY_CALL = 3;
+
+    public function __construct(Node $node, Node $attribute, ArrayNode $arguments, $type)
+    {
+        parent::__construct(
+            array('node' => $node, 'attribute' => $attribute, 'arguments' => $arguments),
+            array('type' => $type)
+        );
+    }
+
+    public function compile(Compiler $compiler)
+    {
+        switch ($this->attributes['type']) {
+            case self::PROPERTY_CALL:
+                $compiler
+                    ->compile($this->nodes['node'])
+                    ->raw('->')
+                    ->raw($this->nodes['attribute']->attributes['value'])
+                ;
+                break;
+
+            case self::METHOD_CALL:
+                $compiler
+                    ->compile($this->nodes['node'])
+                    ->raw('->')
+                    ->raw($this->nodes['attribute']->attributes['value'])
+                    ->raw('(')
+                    ->compile($this->nodes['arguments'])
+                    ->raw(')')
+                ;
+                break;
+
+            case self::ARRAY_CALL:
+                $compiler
+                    ->compile($this->nodes['node'])
+                    ->raw('[')
+                    ->compile($this->nodes['attribute'])->raw(']')
+                ;
+                break;
+        }
+    }
+
+    public function evaluate($functions, $values)
+    {
+        switch ($this->attributes['type']) {
+            case self::PROPERTY_CALL:
+                $obj = $this->nodes['node']->evaluate($functions, $values);
+                if (!is_object($obj)) {
+                    throw new \RuntimeException('Unable to get a property on a non-object.');
+                }
+
+                $property = $this->nodes['attribute']->attributes['value'];
+
+                return $obj->$property;
+
+            case self::METHOD_CALL:
+                $obj = $this->nodes['node']->evaluate($functions, $values);
+                if (!is_object($obj)) {
+                    throw new \RuntimeException('Unable to get a property on a non-object.');
+                }
+
+                return call_user_func_array(array($obj, $this->nodes['attribute']->attributes['value']), $this->nodes['arguments']->evaluate($functions, $values));
+
+            case self::ARRAY_CALL:
+                $array = $this->nodes['node']->evaluate($functions, $values);
+                if (!is_array($array) && !$array instanceof \ArrayAccess) {
+                    throw new \RuntimeException('Unable to get an item on a non-array.');
+                }
+
+                return $array[$this->nodes['attribute']->evaluate($functions, $values)];
+        }
+    }
+}