diff options
Diffstat (limited to 'public/system/library/template/Twig/Profiler/Profile.php')
-rw-r--r-- | public/system/library/template/Twig/Profiler/Profile.php | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/public/system/library/template/Twig/Profiler/Profile.php b/public/system/library/template/Twig/Profiler/Profile.php new file mode 100644 index 0000000..104bc05 --- /dev/null +++ b/public/system/library/template/Twig/Profiler/Profile.php @@ -0,0 +1,160 @@ +<?php + +/* + * This file is part of Twig. + * + * (c) 2015 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> + */ +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() + { + $this->ends = array( + 'wt' => microtime(true), + 'mu' => memory_get_usage(), + 'pmu' => memory_get_peak_usage(), + ); + } + + public function getIterator() + { + return new ArrayIterator($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); + } +} |