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Düzenlenen Dosya: Environment.php

<?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.
 */
namespace ElementorDeps\Twig;

use ElementorDeps\Twig\Cache\CacheInterface;
use ElementorDeps\Twig\Cache\FilesystemCache;
use ElementorDeps\Twig\Cache\NullCache;
use ElementorDeps\Twig\Error\Error;
use ElementorDeps\Twig\Error\LoaderError;
use ElementorDeps\Twig\Error\RuntimeError;
use ElementorDeps\Twig\Error\SyntaxError;
use ElementorDeps\Twig\Extension\CoreExtension;
use ElementorDeps\Twig\Extension\EscaperExtension;
use ElementorDeps\Twig\Extension\ExtensionInterface;
use ElementorDeps\Twig\Extension\OptimizerExtension;
use ElementorDeps\Twig\Extension\YieldNotReadyExtension;
use ElementorDeps\Twig\Loader\ArrayLoader;
use ElementorDeps\Twig\Loader\ChainLoader;
use ElementorDeps\Twig\Loader\LoaderInterface;
use ElementorDeps\Twig\Node\Expression\Binary\AbstractBinary;
use ElementorDeps\Twig\Node\Expression\Unary\AbstractUnary;
use ElementorDeps\Twig\Node\ModuleNode;
use ElementorDeps\Twig\Node\Node;
use ElementorDeps\Twig\NodeVisitor\NodeVisitorInterface;
use ElementorDeps\Twig\Runtime\EscaperRuntime;
use ElementorDeps\Twig\RuntimeLoader\FactoryRuntimeLoader;
use ElementorDeps\Twig\RuntimeLoader\RuntimeLoaderInterface;
use ElementorDeps\Twig\TokenParser\TokenParserInterface;
/**
 * Stores the Twig configuration and renders templates.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Environment
{
    public const VERSION = '3.11.3';
    public const VERSION_ID = 301103;
    public const MAJOR_VERSION = 4;
    public const MINOR_VERSION = 11;
    public const RELEASE_VERSION = 3;
    public const EXTRA_VERSION = '';
    private $charset;
    private $loader;
    private $debug;
    private $autoReload;
    private $cache;
    private $lexer;
    private $parser;
    private $compiler;
    /** @var array<string, mixed> */
    private $globals = [];
    private $resolvedGlobals;
    private $loadedTemplates;
    private $strictVariables;
    private $originalCache;
    private $extensionSet;
    private $runtimeLoaders = [];
    private $runtimes = [];
    private $optionsHash;
    /** @var bool */
    private $useYield;
    private $defaultRuntimeLoader;
    /**
     * Constructor.
     *
     * Available options:
     *
     *  * debug: When set to true, it automatically set "auto_reload" to true as
     *           well (default to false).
     *
     *  * charset: The charset used by the templates (default to UTF-8).
     *
     *  * cache: An absolute path where to store the compiled templates,
     *           a \Twig\Cache\CacheInterface implementation,
     *           or false to disable compilation cache (default).
     *
     *  * auto_reload: Whether to reload the template if the original source changed.
     *                 If you don't provide the auto_reload option, it will be
     *                 determined automatically based on the debug value.
     *
     *  * strict_variables: Whether to ignore invalid variables in templates
     *                      (default to false).
     *
     *  * autoescape: Whether to enable auto-escaping (default to html):
     *                  * false: disable auto-escaping
     *                  * html, js: set the autoescaping to one of the supported strategies
     *                  * name: set the autoescaping strategy based on the template name extension
     *                  * PHP callback: a PHP callback that returns an escaping strategy based on the template "name"
     *
     *  * optimizations: A flag that indicates which optimizations to apply
     *                   (default to -1 which means that all optimizations are enabled;
     *                   set it to 0 to disable).
     *
     *  * use_yield: Enable templates to exclusively use "yield" instead of "echo"
     *               (default to "false", but switch it to "true" when possible
     *               as this will be the only supported mode in Twig 4.0)
     */
    public function __construct(LoaderInterface $loader, $options = [])
    {
        $this->setLoader($loader);
        $options = \array_merge(['debug' => \false, 'charset' => 'UTF-8', 'strict_variables' => \false, 'autoescape' => 'html', 'cache' => \false, 'auto_reload' => null, 'optimizations' => -1, 'use_yield' => \false], $options);
        $this->useYield = (bool) $options['use_yield'];
        $this->debug = (bool) $options['debug'];
        $this->setCharset($options['charset'] ?? 'UTF-8');
        $this->autoReload = null === $options['auto_reload'] ? $this->debug : (bool) $options['auto_reload'];
        $this->strictVariables = (bool) $options['strict_variables'];
        $this->setCache($options['cache']);
        $this->extensionSet = new ExtensionSet();
        $this->defaultRuntimeLoader = new FactoryRuntimeLoader([EscaperRuntime::class => function () {
            return new EscaperRuntime($this->charset);
        }]);
        $this->addExtension(new CoreExtension());
        $escaperExt = new EscaperExtension($options['autoescape']);
        $escaperExt->setEnvironment($this, \false);
        $this->addExtension($escaperExt);
        if (\PHP_VERSION_ID >= 80000) {
            $this->addExtension(new YieldNotReadyExtension($this->useYield));
        }
        $this->addExtension(new OptimizerExtension($options['optimizations']));
    }
    /**
     * @internal
     */
    public function useYield() : bool
    {
        return $this->useYield;
    }
    /**
     * Enables debugging mode.
     */
    public function enableDebug()
    {
        $this->debug = \true;
        $this->updateOptionsHash();
    }
    /**
     * Disables debugging mode.
     */
    public function disableDebug()
    {
        $this->debug = \false;
        $this->updateOptionsHash();
    }
    /**
     * Checks if debug mode is enabled.
     *
     * @return bool true if debug mode is enabled, false otherwise
     */
    public function isDebug()
    {
        return $this->debug;
    }
    /**
     * Enables the auto_reload option.
     */
    public function enableAutoReload()
    {
        $this->autoReload = \true;
    }
    /**
     * Disables the auto_reload option.
     */
    public function disableAutoReload()
    {
        $this->autoReload = \false;
    }
    /**
     * Checks if the auto_reload option is enabled.
     *
     * @return bool true if auto_reload is enabled, false otherwise
     */
    public function isAutoReload()
    {
        return $this->autoReload;
    }
    /**
     * Enables the strict_variables option.
     */
    public function enableStrictVariables()
    {
        $this->strictVariables = \true;
        $this->updateOptionsHash();
    }
    /**
     * Disables the strict_variables option.
     */
    public function disableStrictVariables()
    {
        $this->strictVariables = \false;
        $this->updateOptionsHash();
    }
    /**
     * Checks if the strict_variables option is enabled.
     *
     * @return bool true if strict_variables is enabled, false otherwise
     */
    public function isStrictVariables()
    {
        return $this->strictVariables;
    }
    /**
     * Gets the current cache implementation.
     *
     * @param bool $original Whether to return the original cache option or the real cache instance
     *
     * @return CacheInterface|string|false A Twig\Cache\CacheInterface implementation,
     *                                     an absolute path to the compiled templates,
     *                                     or false to disable cache
     */
    public function getCache($original = \true)
    {
        return $original ? $this->originalCache : $this->cache;
    }
    /**
     * Sets the current cache implementation.
     *
     * @param CacheInterface|string|false $cache A Twig\Cache\CacheInterface implementation,
     *                                           an absolute path to the compiled templates,
     *                                           or false to disable cache
     */
    public function setCache($cache)
    {
        if (\is_string($cache)) {
            $this->originalCache = $cache;
            $this->cache = new FilesystemCache($cache, $this->autoReload ? FilesystemCache::FORCE_BYTECODE_INVALIDATION : 0);
        } elseif (\false === $cache) {
            $this->originalCache = $cache;
            $this->cache = new NullCache();
        } elseif ($cache instanceof CacheInterface) {
            $this->originalCache = $this->cache = $cache;
        } else {
            throw new \LogicException('Cache can only be a string, false, or a \\Twig\\Cache\\CacheInterface implementation.');
        }
    }
    /**
     * Gets the template class associated with the given string.
     *
     * The generated template class is based on the following parameters:
     *
     *  * The cache key for the given template;
     *  * The currently enabled extensions;
     *  * PHP version;
     *  * Twig version;
     *  * Options with what environment was created.
     *
     * @param string   $name  The name for which to calculate the template class name
     * @param int|null $index The index if it is an embedded template
     *
     * @internal
     */
    public function getTemplateClass(string $name, ?int $index = null) : string
    {
        $key = $this->getLoader()->getCacheKey($name) . $this->optionsHash;
        return '__TwigTemplate_' . \hash(\PHP_VERSION_ID < 80100 ? 'sha256' : 'xxh128', $key) . (null === $index ? '' : '___' . $index);
    }
    /**
     * Renders a template.
     *
     * @param string|TemplateWrapper $name The template name
     *
     * @throws LoaderError  When the template cannot be found
     * @throws SyntaxError  When an error occurred during compilation
     * @throws RuntimeError When an error occurred during rendering
     */
    public function render($name, array $context = []) : string
    {
        return $this->load($name)->render($context);
    }
    /**
     * Displays a template.
     *
     * @param string|TemplateWrapper $name The template name
     *
     * @throws LoaderError  When the template cannot be found
     * @throws SyntaxError  When an error occurred during compilation
     * @throws RuntimeError When an error occurred during rendering
     */
    public function display($name, array $context = []) : void
    {
        $this->load($name)->display($context);
    }
    /**
     * Loads a template.
     *
     * @param string|TemplateWrapper $name The template name
     *
     * @throws LoaderError  When the template cannot be found
     * @throws RuntimeError When a previously generated cache is corrupted
     * @throws SyntaxError  When an error occurred during compilation
     */
    public function load($name) : TemplateWrapper
    {
        if ($name instanceof TemplateWrapper) {
            return $name;
        }
        if ($name instanceof Template) {
            trigger_deprecation('twig/twig', '3.9', 'Passing a "%s" instance to "%s" is deprecated.', self::class, __METHOD__);
            return $name;
        }
        return new TemplateWrapper($this, $this->loadTemplate($this->getTemplateClass($name), $name));
    }
    /**
     * Loads a template internal representation.
     *
     * This method is for internal use only and should never be called
     * directly.
     *
     * @param string   $name  The template name
     * @param int|null $index The index if it is an embedded template
     *
     * @throws LoaderError  When the template cannot be found
     * @throws RuntimeError When a previously generated cache is corrupted
     * @throws SyntaxError  When an error occurred during compilation
     *
     * @internal
     */
    public function loadTemplate(string $cls, string $name, ?int $index = null) : Template
    {
        $mainCls = $cls;
        if (null !== $index) {
            $cls .= '___' . $index;
        }
        if (isset($this->loadedTemplates[$cls])) {
            return $this->loadedTemplates[$cls];
        }
        if (!\class_exists($cls, \false)) {
            $key = $this->cache->generateKey($name, $mainCls);
            if (!$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 RuntimeError(\sprintf('Failed to load Twig template "%s", index "%s": cache might be corrupted.', $name, $index), -1, $source);
                }
            }
        }
        $this->extensionSet->initRuntime();
        return $this->loadedTemplates[$cls] = new $cls($this);
    }
    /**
     * Creates a template from source.
     *
     * This method should not be used as a generic way to load templates.
     *
     * @param string      $template The template source
     * @param string|null $name     An optional name of the template to be used in error messages
     *
     * @throws LoaderError When the template cannot be found
     * @throws SyntaxError When an error occurred during compilation
     */
    public function createTemplate(string $template, ?string $name = null) : TemplateWrapper
    {
        $hash = \hash(\PHP_VERSION_ID < 80100 ? 'sha256' : 'xxh128', $template, \false);
        if (null !== $name) {
            $name = \sprintf('%s (string template %s)', $name, $hash);
        } else {
            $name = \sprintf('__string_template__%s', $hash);
        }
        $loader = new ChainLoader([new ArrayLoader([$name => $template]), $current = $this->getLoader()]);
        $this->setLoader($loader);
        try {
            return new TemplateWrapper($this, $this->loadTemplate($this->getTemplateClass($name), $name));
        } finally {
            $this->setLoader($current);
        }
    }
    /**
     * 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 int $time The last modification time of the cached template
     */
    public function isTemplateFresh(string $name, int $time) : bool
    {
        return $this->extensionSet->getLastModified() <= $time && $this->getLoader()->isFresh($name, $time);
    }
    /**
     * Tries to load a template consecutively from an array.
     *
     * Similar to load() but it also accepts instances of \Twig\TemplateWrapper
     * and an array of templates where each is tried to be loaded.
     *
     * @param string|TemplateWrapper|array<string|TemplateWrapper> $names A template or an array of templates to try consecutively
     *
     * @throws LoaderError When none of the templates can be found
     * @throws SyntaxError When an error occurred during compilation
     */
    public function resolveTemplate($names) : TemplateWrapper
    {
        if (!\is_array($names)) {
            return $this->load($names);
        }
        $count = \count($names);
        foreach ($names as $name) {
            if ($name instanceof Template) {
                trigger_deprecation('twig/twig', '3.9', 'Passing a "%s" instance to "%s" is deprecated.', Template::class, __METHOD__);
                return new TemplateWrapper($this, $name);
            }
            if ($name instanceof TemplateWrapper) {
                return $name;
            }
            if (1 !== $count && !$this->getLoader()->exists($name)) {
                continue;
            }
            return $this->load($name);
        }
        throw new LoaderError(\sprintf('Unable to find one of the following templates: "%s".', \implode('", "', $names)));
    }
    public function setLexer(Lexer $lexer)
    {
        $this->lexer = $lexer;
    }
    /**
     * @throws SyntaxError When the code is syntactically wrong
     */
    public function tokenize(Source $source) : TokenStream
    {
        if (null === $this->lexer) {
            $this->lexer = new Lexer($this);
        }
        return $this->lexer->tokenize($source);
    }
    public function setParser(Parser $parser)
    {
        $this->parser = $parser;
    }
    /**
     * Converts a token stream to a node tree.
     *
     * @throws SyntaxError When the token stream is syntactically or semantically wrong
     */
    public function parse(TokenStream $stream) : ModuleNode
    {
        if (null === $this->parser) {
            $this->parser = new Parser($this);
        }
        return $this->parser->parse($stream);
    }
    public function setCompiler(Compiler $compiler)
    {
        $this->compiler = $compiler;
    }
    /**
     * Compiles a node and returns the PHP code.
     */
    public function compile(Node $node) : string
    {
        if (null === $this->compiler) {
            $this->compiler = new Compiler($this);
        }
        return $this->compiler->compile($node)->getSource();
    }
    /**
     * Compiles a template source code.
     *
     * @throws SyntaxError When there was an error during tokenizing, parsing or compiling
     */
    public function compileSource(Source $source) : string
    {
        try {
            return $this->compile($this->parse($this->tokenize($source)));
        } catch (Error $e) {
            $e->setSourceContext($source);
            throw $e;
        } catch (\Exception $e) {
            throw new SyntaxError(\sprintf('An exception has been thrown during the compilation of a template ("%s").', $e->getMessage()), -1, $source, $e);
        }
    }
    public function setLoader(LoaderInterface $loader)
    {
        $this->loader = $loader;
    }
    public function getLoader() : LoaderInterface
    {
        return $this->loader;
    }
    public function setCharset(string $charset)
    {
        if ('UTF8' === ($charset = \strtoupper($charset ?: ''))) {
            // iconv on Windows requires "UTF-8" instead of "UTF8"
            $charset = 'UTF-8';
        }
        $this->charset = $charset;
    }
    public function getCharset() : string
    {
        return $this->charset;
    }
    public function hasExtension(string $class) : bool
    {
        return $this->extensionSet->hasExtension($class);
    }
    public function addRuntimeLoader(RuntimeLoaderInterface $loader)
    {
        $this->runtimeLoaders[] = $loader;
    }
    /**
     * @template TExtension of ExtensionInterface
     *
     * @param class-string<TExtension> $class
     *
     * @return TExtension
     */
    public function getExtension(string $class) : ExtensionInterface
    {
        return $this->extensionSet->getExtension($class);
    }
    /**
     * Returns the runtime implementation of a Twig element (filter/function/tag/test).
     *
     * @template TRuntime of object
     *
     * @param class-string<TRuntime> $class A runtime class name
     *
     * @return TRuntime The runtime implementation
     *
     * @throws RuntimeError When the template cannot be found
     */
    public function getRuntime(string $class)
    {
        if (isset($this->runtimes[$class])) {
            return $this->runtimes[$class];
        }
        foreach ($this->runtimeLoaders as $loader) {
            if (null !== ($runtime = $loader->load($class))) {
                return $this->runtimes[$class] = $runtime;
            }
        }
        if (null !== ($runtime = $this->defaultRuntimeLoader->load($class))) {
            return $this->runtimes[$class] = $runtime;
        }
        throw new RuntimeError(\sprintf('Unable to load the "%s" runtime.', $class));
    }
    public function addExtension(ExtensionInterface $extension)
    {
        $this->extensionSet->addExtension($extension);
        $this->updateOptionsHash();
    }
    /**
     * @param ExtensionInterface[] $extensions An array of extensions
     */
    public function setExtensions(array $extensions)
    {
        $this->extensionSet->setExtensions($extensions);
        $this->updateOptionsHash();
    }
    /**
     * @return ExtensionInterface[] An array of extensions (keys are for internal usage only and should not be relied on)
     */
    public function getExtensions() : array
    {
        return $this->extensionSet->getExtensions();
    }
    public function addTokenParser(TokenParserInterface $parser)
    {
        $this->extensionSet->addTokenParser($parser);
    }
    /**
     * @return TokenParserInterface[]
     *
     * @internal
     */
    public function getTokenParsers() : array
    {
        return $this->extensionSet->getTokenParsers();
    }
    /**
     * @internal
     */
    public function getTokenParser(string $name) : ?TokenParserInterface
    {
        return $this->extensionSet->getTokenParser($name);
    }
    public function registerUndefinedTokenParserCallback(callable $callable) : void
    {
        $this->extensionSet->registerUndefinedTokenParserCallback($callable);
    }
    public function addNodeVisitor(NodeVisitorInterface $visitor)
    {
        $this->extensionSet->addNodeVisitor($visitor);
    }
    /**
     * @return NodeVisitorInterface[]
     *
     * @internal
     */
    public function getNodeVisitors() : array
    {
        return $this->extensionSet->getNodeVisitors();
    }
    public function addFilter(TwigFilter $filter)
    {
        $this->extensionSet->addFilter($filter);
    }
    /**
     * @internal
     */
    public function getFilter(string $name) : ?TwigFilter
    {
        return $this->extensionSet->getFilter($name);
    }
    public function registerUndefinedFilterCallback(callable $callable) : void
    {
        $this->extensionSet->registerUndefinedFilterCallback($callable);
    }
    /**
     * Gets the registered Filters.
     *
     * Be warned that this method cannot return filters defined with registerUndefinedFilterCallback.
     *
     * @return TwigFilter[]
     *
     * @see registerUndefinedFilterCallback
     *
     * @internal
     */
    public function getFilters() : array
    {
        return $this->extensionSet->getFilters();
    }
    public function addTest(TwigTest $test)
    {
        $this->extensionSet->addTest($test);
    }
    /**
     * @return TwigTest[]
     *
     * @internal
     */
    public function getTests() : array
    {
        return $this->extensionSet->getTests();
    }
    /**
     * @internal
     */
    public function getTest(string $name) : ?TwigTest
    {
        return $this->extensionSet->getTest($name);
    }
    public function addFunction(TwigFunction $function)
    {
        $this->extensionSet->addFunction($function);
    }
    /**
     * @internal
     */
    public function getFunction(string $name) : ?TwigFunction
    {
        return $this->extensionSet->getFunction($name);
    }
    public function registerUndefinedFunctionCallback(callable $callable) : void
    {
        $this->extensionSet->registerUndefinedFunctionCallback($callable);
    }
    /**
     * Gets registered functions.
     *
     * Be warned that this method cannot return functions defined with registerUndefinedFunctionCallback.
     *
     * @return TwigFunction[]
     *
     * @see registerUndefinedFunctionCallback
     *
     * @internal
     */
    public function getFunctions() : array
    {
        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 mixed $value The global value
     */
    public function addGlobal(string $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] = $value;
        }
    }
    /**
     * @internal
     *
     * @return array<string, mixed>
     */
    public function getGlobals() : array
    {
        if ($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);
    }
    public function mergeGlobals(array $context) : array
    {
        // we don't use array_merge as the context being generally
        // bigger than globals, this code is faster.
        foreach ($this->getGlobals() as $key => $value) {
            if (!\array_key_exists($key, $context)) {
                $context[$key] = $value;
            }
        }
        return $context;
    }
    /**
     * @internal
     *
     * @return array<string, array{precedence: int, class: class-string<AbstractUnary>}>
     */
    public function getUnaryOperators() : array
    {
        return $this->extensionSet->getUnaryOperators();
    }
    /**
     * @internal
     *
     * @return array<string, array{precedence: int, class: class-string<AbstractBinary>, associativity: ExpressionParser::OPERATOR_*}>
     */
    public function getBinaryOperators() : array
    {
        return $this->extensionSet->getBinaryOperators();
    }
    private function updateOptionsHash() : void
    {
        $this->optionsHash = \implode(':', [$this->extensionSet->getSignature(), \PHP_MAJOR_VERSION, \PHP_MINOR_VERSION, self::VERSION, (int) $this->debug, (int) $this->strictVariables, $this->useYield ? '1' : '0']);
    }
}

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