forked from leftypol/leftypol
inc/contrib -> inc/lib
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186 changed files with 6 additions and 6 deletions
152
inc/lib/Twig/Loader/Filesystem.php
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152
inc/lib/Twig/Loader/Filesystem.php
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<?php
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/*
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* This file is part of Twig.
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*
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* (c) 2009 Fabien Potencier
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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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* Loads template from the filesystem.
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*
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* @package twig
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class Twig_Loader_Filesystem implements Twig_LoaderInterface
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{
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protected $paths;
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protected $cache;
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/**
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* Constructor.
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*
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* @param string|array $paths A path or an array of paths where to look for templates
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*/
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public function __construct($paths)
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{
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$this->setPaths($paths);
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}
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/**
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* Returns the paths to the templates.
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*
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* @return array The array of paths where to look for templates
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*/
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public function getPaths()
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{
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return $this->paths;
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}
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/**
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* Sets the paths where templates are stored.
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*
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* @param string|array $paths A path or an array of paths where to look for templates
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*/
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public function setPaths($paths)
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{
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if (!is_array($paths)) {
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$paths = array($paths);
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}
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$this->paths = array();
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foreach ($paths as $path) {
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$this->addPath($path);
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}
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}
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/**
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* Adds a path where templates are stored.
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*
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* @param string $path A path where to look for templates
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*/
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public function addPath($path)
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{
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// invalidate the cache
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$this->cache = array();
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if (!is_dir($path)) {
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throw new Twig_Error_Loader(sprintf('The "%s" directory does not exist.', $path));
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}
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$this->paths[] = $path;
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}
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/**
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* Gets the source code of a template, given its name.
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*
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* @param string $name The name of the template to load
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*
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* @return string The template source code
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*/
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public function getSource($name)
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{
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return file_get_contents($this->findTemplate($name));
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}
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/**
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* Gets the cache key to use for the cache for a given template name.
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*
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* @param string $name The name of the template to load
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*
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* @return string The cache key
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*/
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public function getCacheKey($name)
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{
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return $this->findTemplate($name);
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}
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/**
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* Returns true if the template is still fresh.
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*
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* @param string $name The template name
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* @param timestamp $time The last modification time of the cached template
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*/
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public function isFresh($name, $time)
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{
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return filemtime($this->findTemplate($name)) < $time;
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}
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protected function findTemplate($name)
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{
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// normalize name
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$name = preg_replace('#/{2,}#', '/', strtr($name, '\\', '/'));
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if (isset($this->cache[$name])) {
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return $this->cache[$name];
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}
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$this->validateName($name);
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foreach ($this->paths as $path) {
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if (is_file($path.'/'.$name)) {
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return $this->cache[$name] = $path.'/'.$name;
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}
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}
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throw new Twig_Error_Loader(sprintf('Unable to find template "%s" (looked into: %s).', $name, implode(', ', $this->paths)));
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}
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protected function validateName($name)
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{
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if (false !== strpos($name, "\0")) {
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throw new Twig_Error_Loader('A template name cannot contain NUL bytes.');
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}
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$parts = explode('/', $name);
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$level = 0;
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foreach ($parts as $part) {
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if ('..' === $part) {
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--$level;
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} elseif ('.' !== $part) {
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++$level;
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}
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if ($level < 0) {
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throw new Twig_Error_Loader(sprintf('Looks like you try to load a template outside configured directories (%s).', $name));
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}
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}
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}
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}
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