Version 1

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

diff --git a/vendor/symfony/expression-language/Node/BinaryNode.php b/vendor/symfony/expression-language/Node/BinaryNode.php
new file mode 100644 (file)
index 0000000..8cf1bc2
--- /dev/null
+++ b/vendor/symfony/expression-language/Node/BinaryNode.php
@@ -0,0 +1,157 @@
+<?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 BinaryNode extends Node
+{
+    private static $operators = array(
+        '~' => '.',
+        'and' => '&&',
+        'or' => '||',
+    );
+
+    private static $functions = array(
+        '**' => 'pow',
+        '..' => 'range',
+        'in' => 'in_array',
+        'not in' => '!in_array',
+    );
+
+    public function __construct($operator, Node $left, Node $right)
+    {
+        parent::__construct(
+            array('left' => $left, 'right' => $right),
+            array('operator' => $operator)
+        );
+    }
+
+    public function compile(Compiler $compiler)
+    {
+        $operator = $this->attributes['operator'];
+
+        if ('matches' == $operator) {
+            $compiler
+                ->raw('preg_match(')
+                ->compile($this->nodes['right'])
+                ->raw(', ')
+                ->compile($this->nodes['left'])
+                ->raw(')')
+            ;
+
+            return;
+        }
+
+        if (isset(self::$functions[$operator])) {
+            $compiler
+                ->raw(sprintf('%s(', self::$functions[$operator]))
+                ->compile($this->nodes['left'])
+                ->raw(', ')
+                ->compile($this->nodes['right'])
+                ->raw(')')
+            ;
+
+            return;
+        }
+
+        if (isset(self::$operators[$operator])) {
+            $operator = self::$operators[$operator];
+        }
+
+        $compiler
+            ->raw('(')
+            ->compile($this->nodes['left'])
+            ->raw(' ')
+            ->raw($operator)
+            ->raw(' ')
+            ->compile($this->nodes['right'])
+            ->raw(')')
+        ;
+    }
+
+    public function evaluate($functions, $values)
+    {
+        $operator = $this->attributes['operator'];
+        $left = $this->nodes['left']->evaluate($functions, $values);
+
+        if (isset(self::$functions[$operator])) {
+            $right = $this->nodes['right']->evaluate($functions, $values);
+
+            if ('not in' === $operator) {
+                return !in_array($left, $right);
+            }
+            $f = self::$functions[$operator];
+
+            return $f($left, $right);
+        }
+
+        switch ($operator) {
+            case 'or':
+            case '||':
+                return $left || $this->nodes['right']->evaluate($functions, $values);
+            case 'and':
+            case '&&':
+                return $left && $this->nodes['right']->evaluate($functions, $values);
+        }
+
+        $right = $this->nodes['right']->evaluate($functions, $values);
+
+        switch ($operator) {
+            case '|':
+                return $left | $right;
+            case '^':
+                return $left ^ $right;
+            case '&':
+                return $left & $right;
+            case '==':
+                return $left == $right;
+            case '===':
+                return $left === $right;
+            case '!=':
+                return $left != $right;
+            case '!==':
+                return $left !== $right;
+            case '<':
+                return $left < $right;
+            case '>':
+                return $left > $right;
+            case '>=':
+                return $left >= $right;
+            case '<=':
+                return $left <= $right;
+            case 'not in':
+                return !in_array($left, $right);
+            case 'in':
+                return in_array($left, $right);
+            case '+':
+                return $left + $right;
+            case '-':
+                return $left - $right;
+            case '~':
+                return $left.$right;
+            case '*':
+                return $left * $right;
+            case '/':
+                return $left / $right;
+            case '%':
+                return $left % $right;
+            case 'matches':
+                return preg_match($right, $left);
+        }
+    }
+}