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971 lines
27 KiB
971 lines
27 KiB
7 years ago
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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) 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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* Stores the Twig configuration.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class Twig_Environment
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{
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const VERSION = '2.5.0';
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const VERSION_ID = 20500;
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const MAJOR_VERSION = 2;
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const MINOR_VERSION = 5;
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const RELEASE_VERSION = 0;
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const EXTRA_VERSION = '';
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private $charset;
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private $loader;
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private $debug;
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private $autoReload;
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private $cache;
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private $lexer;
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private $parser;
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private $compiler;
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private $baseTemplateClass;
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private $globals = array();
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private $resolvedGlobals;
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private $loadedTemplates;
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private $strictVariables;
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private $templateClassPrefix = '__TwigTemplate_';
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private $originalCache;
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private $extensionSet;
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private $runtimeLoaders = array();
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private $runtimes = array();
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private $optionsHash;
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private $loading = array();
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/**
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* Constructor.
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*
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* Available options:
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*
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* * debug: When set to true, it automatically set "auto_reload" to true as
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* well (default to false).
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*
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* * charset: The charset used by the templates (default to UTF-8).
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*
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* * base_template_class: The base template class to use for generated
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* templates (default to Twig_Template).
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*
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* * cache: An absolute path where to store the compiled templates,
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* a Twig_Cache_Interface implementation,
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* or false to disable compilation cache (default).
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*
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* * auto_reload: Whether to reload the template if the original source changed.
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* If you don't provide the auto_reload option, it will be
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* determined automatically based on the debug value.
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*
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* * strict_variables: Whether to ignore invalid variables in templates
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* (default to false).
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*
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* * autoescape: Whether to enable auto-escaping (default to html):
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* * false: disable auto-escaping
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* * html, js: set the autoescaping to one of the supported strategies
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* * name: set the autoescaping strategy based on the template name extension
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* * PHP callback: a PHP callback that returns an escaping strategy based on the template "name"
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*
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* * optimizations: A flag that indicates which optimizations to apply
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* (default to -1 which means that all optimizations are enabled;
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* set it to 0 to disable).
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*
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* @param Twig_LoaderInterface $loader
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* @param array $options An array of options
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*/
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public function __construct(Twig_LoaderInterface $loader, $options = array())
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{
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$this->setLoader($loader);
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$options = array_merge(array(
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'debug' => false,
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'charset' => 'UTF-8',
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'base_template_class' => 'Twig_Template',
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'strict_variables' => false,
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'autoescape' => 'html',
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'cache' => false,
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'auto_reload' => null,
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'optimizations' => -1,
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), $options);
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$this->debug = (bool) $options['debug'];
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$this->setCharset($options['charset']);
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$this->baseTemplateClass = $options['base_template_class'];
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$this->autoReload = null === $options['auto_reload'] ? $this->debug : (bool) $options['auto_reload'];
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$this->strictVariables = (bool) $options['strict_variables'];
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$this->setCache($options['cache']);
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$this->extensionSet = new Twig_ExtensionSet();
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$this->addExtension(new Twig_Extension_Core());
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$this->addExtension(new Twig_Extension_Escaper($options['autoescape']));
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$this->addExtension(new Twig_Extension_Optimizer($options['optimizations']));
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}
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/**
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* Gets the base template class for compiled templates.
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*
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* @return string The base template class name
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*/
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public function getBaseTemplateClass()
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{
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return $this->baseTemplateClass;
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}
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/**
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* Sets the base template class for compiled templates.
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*
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* @param string $class The base template class name
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*/
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public function setBaseTemplateClass($class)
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{
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$this->baseTemplateClass = $class;
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$this->updateOptionsHash();
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}
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/**
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* Enables debugging mode.
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*/
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public function enableDebug()
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{
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$this->debug = true;
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$this->updateOptionsHash();
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}
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/**
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* Disables debugging mode.
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*/
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public function disableDebug()
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{
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$this->debug = false;
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$this->updateOptionsHash();
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}
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/**
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* Checks if debug mode is enabled.
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*
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* @return bool true if debug mode is enabled, false otherwise
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*/
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public function isDebug()
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{
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return $this->debug;
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}
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/**
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* Enables the auto_reload option.
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*/
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public function enableAutoReload()
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{
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$this->autoReload = true;
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}
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/**
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* Disables the auto_reload option.
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*/
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public function disableAutoReload()
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{
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$this->autoReload = false;
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}
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/**
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* Checks if the auto_reload option is enabled.
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*
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* @return bool true if auto_reload is enabled, false otherwise
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*/
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public function isAutoReload()
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{
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return $this->autoReload;
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}
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/**
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* Enables the strict_variables option.
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*/
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public function enableStrictVariables()
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{
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$this->strictVariables = true;
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$this->updateOptionsHash();
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}
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/**
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* Disables the strict_variables option.
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*/
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public function disableStrictVariables()
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{
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$this->strictVariables = false;
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$this->updateOptionsHash();
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}
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/**
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* Checks if the strict_variables option is enabled.
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*
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* @return bool true if strict_variables is enabled, false otherwise
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*/
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public function isStrictVariables()
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{
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return $this->strictVariables;
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}
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/**
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* Gets the current cache implementation.
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*
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* @param bool $original Whether to return the original cache option or the real cache instance
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*
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* @return Twig_CacheInterface|string|false A Twig_CacheInterface implementation,
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* an absolute path to the compiled templates,
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* or false to disable cache
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*/
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public function getCache($original = true)
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{
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return $original ? $this->originalCache : $this->cache;
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}
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/**
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* Sets the current cache implementation.
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*
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* @param Twig_CacheInterface|string|false $cache A Twig_CacheInterface implementation,
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* an absolute path to the compiled templates,
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* or false to disable cache
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*/
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public function setCache($cache)
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{
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if (is_string($cache)) {
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$this->originalCache = $cache;
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$this->cache = new Twig_Cache_Filesystem($cache);
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} elseif (false === $cache) {
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$this->originalCache = $cache;
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$this->cache = new Twig_Cache_Null();
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} elseif ($cache instanceof Twig_CacheInterface) {
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$this->originalCache = $this->cache = $cache;
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} else {
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throw new LogicException(sprintf('Cache can only be a string, false, or a Twig_CacheInterface implementation.'));
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}
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}
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/**
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* Gets the template class associated with the given string.
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*
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* The generated template class is based on the following parameters:
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*
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* * The cache key for the given template;
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* * The currently enabled extensions;
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* * Whether the Twig C extension is available or not;
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* * PHP version;
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* * Twig version;
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* * Options with what environment was created.
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*
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* @param string $name The name for which to calculate the template class name
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* @param int|null $index The index if it is an embedded template
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*
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* @return string The template class name
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*/
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public function getTemplateClass($name, $index = null)
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{
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$key = $this->getLoader()->getCacheKey($name).$this->optionsHash;
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return $this->templateClassPrefix.hash('sha256', $key).(null === $index ? '' : '_'.$index);
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}
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/**
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* Renders a template.
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*
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* @param string $name The template name
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* @param array $context An array of parameters to pass to the template
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*
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* @return string The rendered template
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*
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* @throws Twig_Error_Loader When the template cannot be found
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* @throws Twig_Error_Syntax When an error occurred during compilation
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* @throws Twig_Error_Runtime When an error occurred during rendering
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*/
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public function render($name, array $context = array())
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{
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return $this->loadTemplate($name)->render($context);
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}
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/**
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* Displays a template.
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*
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* @param string $name The template name
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* @param array $context An array of parameters to pass to the template
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*
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* @throws Twig_Error_Loader When the template cannot be found
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* @throws Twig_Error_Syntax When an error occurred during compilation
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* @throws Twig_Error_Runtime When an error occurred during rendering
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*/
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public function display($name, array $context = array())
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{
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$this->loadTemplate($name)->display($context);
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}
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/**
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* Loads a template.
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*
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* @param string|Twig_TemplateWrapper|Twig_Template $name The template name
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*
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* @throws Twig_Error_Loader When the template cannot be found
|
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* @throws Twig_Error_Runtime When a previously generated cache is corrupted
|
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* @throws Twig_Error_Syntax When an error occurred during compilation
|
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*
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* @return Twig_TemplateWrapper
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*/
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public function load($name)
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{
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if ($name instanceof Twig_TemplateWrapper) {
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return $name;
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}
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if ($name instanceof Twig_Template) {
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return new Twig_TemplateWrapper($this, $name);
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}
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return new Twig_TemplateWrapper($this, $this->loadTemplate($name));
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}
|
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|
|
||
|
|
/**
|
||
|
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* Loads a template internal representation.
|
||
|
|
*
|
||
|
|
* This method is for internal use only and should never be called
|
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|
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* directly.
|
||
|
|
*
|
||
|
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* @param string $name The template name
|
||
|
|
* @param int $index The index if it is an embedded template
|
||
|
|
*
|
||
|
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* @return Twig_Template A template instance representing the given template name
|
||
|
|
*
|
||
|
|
* @throws Twig_Error_Loader When the template cannot be found
|
||
|
|
* @throws Twig_Error_Runtime When a previously generated cache is corrupted
|
||
|
|
* @throws Twig_Error_Syntax When an error occurred during compilation
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
public function loadTemplate($name, $index = null)
|
||
|
|
{
|
||
|
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$cls = $mainCls = $this->getTemplateClass($name);
|
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|
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if (null !== $index) {
|
||
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$cls .= '_'.$index;
|
||
|
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}
|
||
|
|
|
||
|
|
if (isset($this->loadedTemplates[$cls])) {
|
||
|
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return $this->loadedTemplates[$cls];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!class_exists($cls, false)) {
|
||
|
|
$key = $this->cache->generateKey($name, $mainCls);
|
||
|
|
|
||
|
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if (!$this->isAutoReload() || $this->isTemplateFresh($name, $this->cache->getTimestamp($key))) {
|
||
|
|
$this->cache->load($key);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!class_exists($cls, false)) {
|
||
|
|
$source = $this->getLoader()->getSourceContext($name);
|
||
|
|
$content = $this->compileSource($source);
|
||
|
|
$this->cache->write($key, $content);
|
||
|
|
$this->cache->load($key);
|
||
|
|
|
||
|
|
if (!class_exists($mainCls, false)) {
|
||
|
|
/* Last line of defense if either $this->bcWriteCacheFile was used,
|
||
|
|
* $this->cache is implemented as a no-op or we have a race condition
|
||
|
|
* where the cache was cleared between the above calls to write to and load from
|
||
|
|
* the cache.
|
||
|
|
*/
|
||
|
|
eval('?>'.$content);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!class_exists($cls, false)) {
|
||
|
|
throw new Twig_Error_Runtime(sprintf('Failed to load Twig template "%s", index "%s": cache is corrupted.', $name, $index), -1, $source);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// to be removed in 3.0
|
||
|
|
$this->extensionSet->initRuntime($this);
|
||
|
|
|
||
|
|
if (isset($this->loading[$cls])) {
|
||
|
|
throw new Twig_Error_Runtime(sprintf('Circular reference detected for Twig template "%s", path: %s.', $name, implode(' -> ', array_merge($this->loading, array($name)))));
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->loading[$cls] = $name;
|
||
|
|
|
||
|
|
try {
|
||
|
|
$this->loadedTemplates[$cls] = new $cls($this);
|
||
|
|
} finally {
|
||
|
|
unset($this->loading[$cls]);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->loadedTemplates[$cls];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Creates a template from source.
|
||
|
|
*
|
||
|
|
* This method should not be used as a generic way to load templates.
|
||
|
|
*
|
||
|
|
* @param string $template The template name
|
||
|
|
*
|
||
|
|
* @return Twig_Template A template instance representing the given template name
|
||
|
|
*
|
||
|
|
* @throws Twig_Error_Loader When the template cannot be found
|
||
|
|
* @throws Twig_Error_Syntax When an error occurred during compilation
|
||
|
|
*/
|
||
|
|
public function createTemplate($template)
|
||
|
|
{
|
||
|
|
$name = sprintf('__string_template__%s', hash('sha256', $template, false));
|
||
|
|
|
||
|
|
$loader = new Twig_Loader_Chain(array(
|
||
|
|
new Twig_Loader_Array(array($name => $template)),
|
||
|
|
$current = $this->getLoader(),
|
||
|
|
));
|
||
|
|
|
||
|
|
$this->setLoader($loader);
|
||
|
|
try {
|
||
|
|
$template = $this->loadTemplate($name);
|
||
|
|
} finally {
|
||
|
|
$this->setLoader($current);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $template;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns true if the template is still fresh.
|
||
|
|
*
|
||
|
|
* Besides checking the loader for freshness information,
|
||
|
|
* this method also checks if the enabled extensions have
|
||
|
|
* not changed.
|
||
|
|
*
|
||
|
|
* @param string $name The template name
|
||
|
|
* @param int $time The last modification time of the cached template
|
||
|
|
*
|
||
|
|
* @return bool true if the template is fresh, false otherwise
|
||
|
|
*/
|
||
|
|
public function isTemplateFresh($name, $time)
|
||
|
|
{
|
||
|
|
return $this->extensionSet->getLastModified() <= $time && $this->getLoader()->isFresh($name, $time);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Tries to load a template consecutively from an array.
|
||
|
|
*
|
||
|
|
* Similar to loadTemplate() but it also accepts instances of Twig_Template and
|
||
|
|
* Twig_TemplateWrapper, and an array of templates where each is tried to be loaded.
|
||
|
|
*
|
||
|
|
* @param string|Twig_Template|Twig_TemplateWrapper|array $names A template or an array of templates to try consecutively
|
||
|
|
*
|
||
|
|
* @return Twig_Template|Twig_TemplateWrapper
|
||
|
|
*
|
||
|
|
* @throws Twig_Error_Loader When none of the templates can be found
|
||
|
|
* @throws Twig_Error_Syntax When an error occurred during compilation
|
||
|
|
*/
|
||
|
|
public function resolveTemplate($names)
|
||
|
|
{
|
||
|
|
if (!is_array($names)) {
|
||
|
|
$names = array($names);
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($names as $name) {
|
||
|
|
if ($name instanceof Twig_Template) {
|
||
|
|
return $name;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($name instanceof Twig_TemplateWrapper) {
|
||
|
|
return $name;
|
||
|
|
}
|
||
|
|
|
||
|
|
try {
|
||
|
|
return $this->loadTemplate($name);
|
||
|
|
} catch (Twig_Error_Loader $e) {
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (1 === count($names)) {
|
||
|
|
throw $e;
|
||
|
|
}
|
||
|
|
|
||
|
|
throw new Twig_Error_Loader(sprintf('Unable to find one of the following templates: "%s".', implode('", "', $names)));
|
||
|
|
}
|
||
|
|
|
||
|
|
public function setLexer(Twig_Lexer $lexer)
|
||
|
|
{
|
||
|
|
$this->lexer = $lexer;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Tokenizes a source code.
|
||
|
|
*
|
||
|
|
* @return Twig_TokenStream
|
||
|
|
*
|
||
|
|
* @throws Twig_Error_Syntax When the code is syntactically wrong
|
||
|
|
*/
|
||
|
|
public function tokenize(Twig_Source $source)
|
||
|
|
{
|
||
|
|
if (null === $this->lexer) {
|
||
|
|
$this->lexer = new Twig_Lexer($this);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->lexer->tokenize($source);
|
||
|
|
}
|
||
|
|
|
||
|
|
public function setParser(Twig_Parser $parser)
|
||
|
|
{
|
||
|
|
$this->parser = $parser;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Converts a token stream to a node tree.
|
||
|
|
*
|
||
|
|
* @return Twig_Node_Module
|
||
|
|
*
|
||
|
|
* @throws Twig_Error_Syntax When the token stream is syntactically or semantically wrong
|
||
|
|
*/
|
||
|
|
public function parse(Twig_TokenStream $stream)
|
||
|
|
{
|
||
|
|
if (null === $this->parser) {
|
||
|
|
$this->parser = new Twig_Parser($this);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->parser->parse($stream);
|
||
|
|
}
|
||
|
|
|
||
|
|
public function setCompiler(Twig_Compiler $compiler)
|
||
|
|
{
|
||
|
|
$this->compiler = $compiler;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compiles a node and returns the PHP code.
|
||
|
|
*
|
||
|
|
* @return string The compiled PHP source code
|
||
|
|
*/
|
||
|
|
public function compile(Twig_Node $node)
|
||
|
|
{
|
||
|
|
if (null === $this->compiler) {
|
||
|
|
$this->compiler = new Twig_Compiler($this);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->compiler->compile($node)->getSource();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Compiles a template source code.
|
||
|
|
*
|
||
|
|
* @return string The compiled PHP source code
|
||
|
|
*
|
||
|
|
* @throws Twig_Error_Syntax When there was an error during tokenizing, parsing or compiling
|
||
|
|
*/
|
||
|
|
public function compileSource(Twig_Source $source)
|
||
|
|
{
|
||
|
|
try {
|
||
|
|
return $this->compile($this->parse($this->tokenize($source)));
|
||
|
|
} catch (Twig_Error $e) {
|
||
|
|
$e->setSourceContext($source);
|
||
|
|
throw $e;
|
||
|
|
} catch (Exception $e) {
|
||
|
|
throw new Twig_Error_Syntax(sprintf('An exception has been thrown during the compilation of a template ("%s").', $e->getMessage()), -1, $source, $e);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public function setLoader(Twig_LoaderInterface $loader)
|
||
|
|
{
|
||
|
|
$this->loader = $loader;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the Loader instance.
|
||
|
|
*
|
||
|
|
* @return Twig_LoaderInterface
|
||
|
|
*/
|
||
|
|
public function getLoader()
|
||
|
|
{
|
||
|
|
return $this->loader;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets the default template charset.
|
||
|
|
*
|
||
|
|
* @param string $charset The default charset
|
||
|
|
*/
|
||
|
|
public function setCharset($charset)
|
||
|
|
{
|
||
|
|
if ('UTF8' === $charset = strtoupper($charset)) {
|
||
|
|
// iconv on Windows requires "UTF-8" instead of "UTF8"
|
||
|
|
$charset = 'UTF-8';
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->charset = $charset;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the default template charset.
|
||
|
|
*
|
||
|
|
* @return string The default charset
|
||
|
|
*/
|
||
|
|
public function getCharset()
|
||
|
|
{
|
||
|
|
return $this->charset;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns true if the given extension is registered.
|
||
|
|
*
|
||
|
|
* @param string $class The extension class name
|
||
|
|
*
|
||
|
|
* @return bool Whether the extension is registered or not
|
||
|
|
*/
|
||
|
|
public function hasExtension($class)
|
||
|
|
{
|
||
|
|
return $this->extensionSet->hasExtension($class);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adds a runtime loader.
|
||
|
|
*/
|
||
|
|
public function addRuntimeLoader(Twig_RuntimeLoaderInterface $loader)
|
||
|
|
{
|
||
|
|
$this->runtimeLoaders[] = $loader;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets an extension by class name.
|
||
|
|
*
|
||
|
|
* @param string $class The extension class name
|
||
|
|
*
|
||
|
|
* @return Twig_ExtensionInterface
|
||
|
|
*/
|
||
|
|
public function getExtension($class)
|
||
|
|
{
|
||
|
|
return $this->extensionSet->getExtension($class);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the runtime implementation of a Twig element (filter/function/test).
|
||
|
|
*
|
||
|
|
* @param string $class A runtime class name
|
||
|
|
*
|
||
|
|
* @return object The runtime implementation
|
||
|
|
*
|
||
|
|
* @throws Twig_Error_Runtime When the template cannot be found
|
||
|
|
*/
|
||
|
|
public function getRuntime($class)
|
||
|
|
{
|
||
|
|
if (isset($this->runtimes[$class])) {
|
||
|
|
return $this->runtimes[$class];
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($this->runtimeLoaders as $loader) {
|
||
|
|
if (null !== $runtime = $loader->load($class)) {
|
||
|
|
return $this->runtimes[$class] = $runtime;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
throw new Twig_Error_Runtime(sprintf('Unable to load the "%s" runtime.', $class));
|
||
|
|
}
|
||
|
|
|
||
|
|
public function addExtension(Twig_ExtensionInterface $extension)
|
||
|
|
{
|
||
|
|
$this->extensionSet->addExtension($extension);
|
||
|
|
$this->updateOptionsHash();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Registers an array of extensions.
|
||
|
|
*
|
||
|
|
* @param array $extensions An array of extensions
|
||
|
|
*/
|
||
|
|
public function setExtensions(array $extensions)
|
||
|
|
{
|
||
|
|
$this->extensionSet->setExtensions($extensions);
|
||
|
|
$this->updateOptionsHash();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns all registered extensions.
|
||
|
|
*
|
||
|
|
* @return Twig_ExtensionInterface[] An array of extensions (keys are for internal usage only and should not be relied on)
|
||
|
|
*/
|
||
|
|
public function getExtensions()
|
||
|
|
{
|
||
|
|
return $this->extensionSet->getExtensions();
|
||
|
|
}
|
||
|
|
|
||
|
|
public function addTokenParser(Twig_TokenParserInterface $parser)
|
||
|
|
{
|
||
|
|
$this->extensionSet->addTokenParser($parser);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the registered Token Parsers.
|
||
|
|
*
|
||
|
|
* @return Twig_TokenParserInterface[]
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
public function getTokenParsers()
|
||
|
|
{
|
||
|
|
return $this->extensionSet->getTokenParsers();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets registered tags.
|
||
|
|
*
|
||
|
|
* @return Twig_TokenParserInterface[]
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
public function getTags()
|
||
|
|
{
|
||
|
|
$tags = array();
|
||
|
|
foreach ($this->getTokenParsers() as $parser) {
|
||
|
|
$tags[$parser->getTag()] = $parser;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $tags;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function addNodeVisitor(Twig_NodeVisitorInterface $visitor)
|
||
|
|
{
|
||
|
|
$this->extensionSet->addNodeVisitor($visitor);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the registered Node Visitors.
|
||
|
|
*
|
||
|
|
* @return Twig_NodeVisitorInterface[]
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
public function getNodeVisitors()
|
||
|
|
{
|
||
|
|
return $this->extensionSet->getNodeVisitors();
|
||
|
|
}
|
||
|
|
|
||
|
|
public function addFilter(Twig_Filter $filter)
|
||
|
|
{
|
||
|
|
$this->extensionSet->addFilter($filter);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get a filter by name.
|
||
|
|
*
|
||
|
|
* Subclasses may override this method and load filters differently;
|
||
|
|
* so no list of filters is available.
|
||
|
|
*
|
||
|
|
* @param string $name The filter name
|
||
|
|
*
|
||
|
|
* @return Twig_Filter|false A Twig_Filter instance or false if the filter does not exist
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
public function getFilter($name)
|
||
|
|
{
|
||
|
|
return $this->extensionSet->getFilter($name);
|
||
|
|
}
|
||
|
|
|
||
|
|
public function registerUndefinedFilterCallback(callable $callable)
|
||
|
|
{
|
||
|
|
$this->extensionSet->registerUndefinedFilterCallback($callable);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the registered Filters.
|
||
|
|
*
|
||
|
|
* Be warned that this method cannot return filters defined with registerUndefinedFilterCallback.
|
||
|
|
*
|
||
|
|
* @return Twig_Filter[]
|
||
|
|
*
|
||
|
|
* @see registerUndefinedFilterCallback
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
public function getFilters()
|
||
|
|
{
|
||
|
|
return $this->extensionSet->getFilters();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Registers a Test.
|
||
|
|
*
|
||
|
|
* @param Twig_Test $test A Twig_Test instance
|
||
|
|
*/
|
||
|
|
public function addTest(Twig_Test $test)
|
||
|
|
{
|
||
|
|
$this->extensionSet->addTest($test);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the registered Tests.
|
||
|
|
*
|
||
|
|
* @return Twig_Test[]
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
public function getTests()
|
||
|
|
{
|
||
|
|
return $this->extensionSet->getTests();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets a test by name.
|
||
|
|
*
|
||
|
|
* @param string $name The test name
|
||
|
|
*
|
||
|
|
* @return Twig_Test|false A Twig_Test instance or false if the test does not exist
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
public function getTest($name)
|
||
|
|
{
|
||
|
|
return $this->extensionSet->getTest($name);
|
||
|
|
}
|
||
|
|
|
||
|
|
public function addFunction(Twig_Function $function)
|
||
|
|
{
|
||
|
|
$this->extensionSet->addFunction($function);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get a function by name.
|
||
|
|
*
|
||
|
|
* Subclasses may override this method and load functions differently;
|
||
|
|
* so no list of functions is available.
|
||
|
|
*
|
||
|
|
* @param string $name function name
|
||
|
|
*
|
||
|
|
* @return Twig_Function|false A Twig_Function instance or false if the function does not exist
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
public function getFunction($name)
|
||
|
|
{
|
||
|
|
return $this->extensionSet->getFunction($name);
|
||
|
|
}
|
||
|
|
|
||
|
|
public function registerUndefinedFunctionCallback(callable $callable)
|
||
|
|
{
|
||
|
|
$this->extensionSet->registerUndefinedFunctionCallback($callable);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets registered functions.
|
||
|
|
*
|
||
|
|
* Be warned that this method cannot return functions defined with registerUndefinedFunctionCallback.
|
||
|
|
*
|
||
|
|
* @return Twig_Function[]
|
||
|
|
*
|
||
|
|
* @see registerUndefinedFunctionCallback
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
public function getFunctions()
|
||
|
|
{
|
||
|
|
return $this->extensionSet->getFunctions();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Registers a Global.
|
||
|
|
*
|
||
|
|
* New globals can be added before compiling or rendering a template;
|
||
|
|
* but after, you can only update existing globals.
|
||
|
|
*
|
||
|
|
* @param string $name The global name
|
||
|
|
* @param mixed $value The global value
|
||
|
|
*/
|
||
|
|
public function addGlobal($name, $value)
|
||
|
|
{
|
||
|
|
if ($this->extensionSet->isInitialized() && !array_key_exists($name, $this->getGlobals())) {
|
||
|
|
throw new LogicException(sprintf('Unable to add global "%s" as the runtime or the extensions have already been initialized.', $name));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (null !== $this->resolvedGlobals) {
|
||
|
|
$this->resolvedGlobals[$name] = $value;
|
||
|
|
} else {
|
||
|
|
$this->globals[$name] = $value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the registered Globals.
|
||
|
|
*
|
||
|
|
* @return array An array of globals
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
public function getGlobals()
|
||
|
|
{
|
||
|
|
if ($this->extensionSet->isInitialized()) {
|
||
|
|
if (null === $this->resolvedGlobals) {
|
||
|
|
$this->resolvedGlobals = array_merge($this->extensionSet->getGlobals(), $this->globals);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->resolvedGlobals;
|
||
|
|
}
|
||
|
|
|
||
|
|
return array_merge($this->extensionSet->getGlobals(), $this->globals);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Merges a context with the defined globals.
|
||
|
|
*
|
||
|
|
* @param array $context An array representing the context
|
||
|
|
*
|
||
|
|
* @return array The context merged with the globals
|
||
|
|
*/
|
||
|
|
public function mergeGlobals(array $context)
|
||
|
|
{
|
||
|
|
// we don't use array_merge as the context being generally
|
||
|
|
// bigger than globals, this code is faster.
|
||
|
|
foreach ($this->getGlobals() as $key => $value) {
|
||
|
|
if (!array_key_exists($key, $context)) {
|
||
|
|
$context[$key] = $value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $context;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the registered unary Operators.
|
||
|
|
*
|
||
|
|
* @return array An array of unary operators
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
public function getUnaryOperators()
|
||
|
|
{
|
||
|
|
return $this->extensionSet->getUnaryOperators();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the registered binary Operators.
|
||
|
|
*
|
||
|
|
* @return array An array of binary operators
|
||
|
|
*
|
||
|
|
* @internal
|
||
|
|
*/
|
||
|
|
public function getBinaryOperators()
|
||
|
|
{
|
||
|
|
return $this->extensionSet->getBinaryOperators();
|
||
|
|
}
|
||
|
|
|
||
|
|
private function updateOptionsHash()
|
||
|
|
{
|
||
|
|
$this->optionsHash = implode(':', array(
|
||
|
|
$this->extensionSet->getSignature(),
|
||
|
|
PHP_MAJOR_VERSION,
|
||
|
|
PHP_MINOR_VERSION,
|
||
|
|
self::VERSION,
|
||
|
|
(int) $this->debug,
|
||
|
|
$this->baseTemplateClass,
|
||
|
|
(int) $this->strictVariables,
|
||
|
|
));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
class_alias('Twig_Environment', 'Twig\Environment', false);
|