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<?php
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/*
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* This file is part of Mustache.php.
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*
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* (c) 2010-2017 Justin Hileman
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* Mustache Template production filesystem Loader implementation.
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*
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* A production-ready FilesystemLoader, which doesn't require reading a file if it already exists in the template cache.
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*
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* {@inheritdoc}
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*/
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class Mustache_Loader_ProductionFilesystemLoader extends Mustache_Loader_FilesystemLoader
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{
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private $statProps;
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/**
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* Mustache production filesystem Loader constructor.
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*
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* Passing an $options array allows overriding certain Loader options during instantiation:
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*
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* $options = array(
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* // The filename extension used for Mustache templates. Defaults to '.mustache'
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* 'extension' => '.ms',
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* 'stat_props' => array('size', 'mtime'),
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* );
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*
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* Specifying 'stat_props' overrides the stat properties used to invalidate the template cache. By default, this
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* uses 'mtime' and 'size', but this can be set to any of the properties supported by stat():
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*
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* http://php.net/manual/en/function.stat.php
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*
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* You can also disable filesystem stat entirely:
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*
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* $options = array('stat_props' => null);
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*
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* But with great power comes great responsibility. Namely, if you disable stat-based cache invalidation,
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* YOU MUST CLEAR THE TEMPLATE CACHE YOURSELF when your templates change. Make it part of your build or deploy
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* process so you don't forget!
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*
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* @throws Mustache_Exception_RuntimeException if $baseDir does not exist.
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*
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* @param string $baseDir Base directory containing Mustache template files.
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* @param array $options Array of Loader options (default: array())
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*/
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public function __construct($baseDir, array $options = array())
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{
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parent::__construct($baseDir, $options);
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if (array_key_exists('stat_props', $options)) {
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if (empty($options['stat_props'])) {
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$this->statProps = array();
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} else {
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$this->statProps = $options['stat_props'];
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}
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} else {
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$this->statProps = array('size', 'mtime');
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}
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}
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/**
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* Helper function for loading a Mustache file by name.
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*
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* @throws Mustache_Exception_UnknownTemplateException If a template file is not found.
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*
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* @param string $name
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*
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* @return Mustache_Source Mustache Template source
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*/
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protected function loadFile($name)
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{
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$fileName = $this->getFileName($name);
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if (!file_exists($fileName)) {
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throw new Mustache_Exception_UnknownTemplateException($name);
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}
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return new Mustache_Source_FilesystemSource($fileName, $this->statProps);
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}
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}
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