Twig update to latest Twig 1.x legacy as per vichan

inc/lib/Twig/Profiler/Profile.php

@@ -0,0 +1,170 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @final
+ */
+class Twig_Profiler_Profile implements IteratorAggregate, Serializable
+{
+    const ROOT = 'ROOT';
+    const BLOCK = 'block';
+    const TEMPLATE = 'template';
+    const MACRO = 'macro';
+
+    private $template;
+    private $name;
+    private $type;
+    private $starts = array();
+    private $ends = array();
+    private $profiles = array();
+
+    public function __construct($template = 'main', $type = self::ROOT, $name = 'main')
+    {
+        $this->template = $template;
+        $this->type = $type;
+        $this->name = 0 === strpos($name, '__internal_') ? 'INTERNAL' : $name;
+        $this->enter();
+    }
+
+    public function getTemplate()
+    {
+        return $this->template;
+    }
+
+    public function getType()
+    {
+        return $this->type;
+    }
+
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    public function isRoot()
+    {
+        return self::ROOT === $this->type;
+    }
+
+    public function isTemplate()
+    {
+        return self::TEMPLATE === $this->type;
+    }
+
+    public function isBlock()
+    {
+        return self::BLOCK === $this->type;
+    }
+
+    public function isMacro()
+    {
+        return self::MACRO === $this->type;
+    }
+
+    public function getProfiles()
+    {
+        return $this->profiles;
+    }
+
+    public function addProfile(Twig_Profiler_Profile $profile)
+    {
+        $this->profiles[] = $profile;
+    }
+
+    /**
+     * Returns the duration in microseconds.
+     *
+     * @return int
+     */
+    public function getDuration()
+    {
+        if ($this->isRoot() && $this->profiles) {
+            // for the root node with children, duration is the sum of all child durations
+            $duration = 0;
+            foreach ($this->profiles as $profile) {
+                $duration += $profile->getDuration();
+            }
+
+            return $duration;
+        }
+
+        return isset($this->ends['wt']) && isset($this->starts['wt']) ? $this->ends['wt'] - $this->starts['wt'] : 0;
+    }
+
+    /**
+     * Returns the memory usage in bytes.
+     *
+     * @return int
+     */
+    public function getMemoryUsage()
+    {
+        return isset($this->ends['mu']) && isset($this->starts['mu']) ? $this->ends['mu'] - $this->starts['mu'] : 0;
+    }
+
+    /**
+     * Returns the peak memory usage in bytes.
+     *
+     * @return int
+     */
+    public function getPeakMemoryUsage()
+    {
+        return isset($this->ends['pmu']) && isset($this->starts['pmu']) ? $this->ends['pmu'] - $this->starts['pmu'] : 0;
+    }
+
+    /**
+     * Starts the profiling.
+     */
+    public function enter()
+    {
+        $this->starts = array(
+            'wt' => microtime(true),
+            'mu' => memory_get_usage(),
+            'pmu' => memory_get_peak_usage(),
+        );
+    }
+
+    /**
+     * Stops the profiling.
+     */
+    public function leave()
+    {
+        $this->ends = array(
+            'wt' => microtime(true),
+            'mu' => memory_get_usage(),
+            'pmu' => memory_get_peak_usage(),
+        );
+    }
+
+    public function reset()
+    {
+        $this->starts = $this->ends = $this->profiles = array();
+        $this->enter();
+    }
+
+    public function getIterator()
+    {
+        return new ArrayIterator($this->profiles);
+    }
+
+    public function serialize()
+    {
+        return serialize(array($this->template, $this->name, $this->type, $this->starts, $this->ends, $this->profiles));
+    }
+
+    public function unserialize($data)
+    {
+        list($this->template, $this->name, $this->type, $this->starts, $this->ends, $this->profiles) = unserialize($data);
+    }
+}
+
+class_alias('Twig_Profiler_Profile', 'Twig\Profiler\Profile', false);