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120 lines
3.5 KiB
120 lines
3.5 KiB
<?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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* (c) Arnaud Le Blanc
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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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* Default implementation of a token parser broker.
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*
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* @author Arnaud Le Blanc <arnaud.lb@gmail.com>
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*
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* @deprecated since 1.12 (to be removed in 2.0)
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*/
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class Twig_TokenParserBroker implements Twig_TokenParserBrokerInterface
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{
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protected $parser;
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protected $parsers = array();
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protected $brokers = array();
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/**
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* @param array|Traversable $parsers A Traversable of Twig_TokenParserInterface instances
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* @param array|Traversable $brokers A Traversable of Twig_TokenParserBrokerInterface instances
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* @param bool $triggerDeprecationError
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*/
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public function __construct($parsers = array(), $brokers = array(), $triggerDeprecationError = true)
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{
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if ($triggerDeprecationError) {
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@trigger_error('The '.__CLASS__.' class is deprecated since version 1.12 and will be removed in 2.0.', E_USER_DEPRECATED);
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}
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foreach ($parsers as $parser) {
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if (!$parser instanceof Twig_TokenParserInterface) {
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throw new LogicException('$parsers must a an array of Twig_TokenParserInterface.');
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}
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$this->parsers[$parser->getTag()] = $parser;
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}
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foreach ($brokers as $broker) {
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if (!$broker instanceof Twig_TokenParserBrokerInterface) {
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throw new LogicException('$brokers must a an array of Twig_TokenParserBrokerInterface.');
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}
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$this->brokers[] = $broker;
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}
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}
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public function addTokenParser(Twig_TokenParserInterface $parser)
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{
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$this->parsers[$parser->getTag()] = $parser;
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}
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public function removeTokenParser(Twig_TokenParserInterface $parser)
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{
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$name = $parser->getTag();
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if (isset($this->parsers[$name]) && $parser === $this->parsers[$name]) {
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unset($this->parsers[$name]);
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}
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}
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public function addTokenParserBroker(self $broker)
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{
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$this->brokers[] = $broker;
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}
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public function removeTokenParserBroker(self $broker)
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{
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if (false !== $pos = array_search($broker, $this->brokers)) {
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unset($this->brokers[$pos]);
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}
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}
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/**
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* Gets a suitable TokenParser for a tag.
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*
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* First looks in parsers, then in brokers.
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*
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* @param string $tag A tag name
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*
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* @return null|Twig_TokenParserInterface A Twig_TokenParserInterface or null if no suitable TokenParser was found
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*/
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public function getTokenParser($tag)
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{
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if (isset($this->parsers[$tag])) {
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return $this->parsers[$tag];
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}
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$broker = end($this->brokers);
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while (false !== $broker) {
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$parser = $broker->getTokenParser($tag);
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if (null !== $parser) {
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return $parser;
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}
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$broker = prev($this->brokers);
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}
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}
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public function getParsers()
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{
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return $this->parsers;
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}
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public function getParser()
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{
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return $this->parser;
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}
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public function setParser(Twig_ParserInterface $parser)
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{
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$this->parser = $parser;
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foreach ($this->parsers as $tokenParser) {
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$tokenParser->setParser($parser);
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}
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foreach ($this->brokers as $broker) {
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$broker->setParser($parser);
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}
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}
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}
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