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<?php |
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/** |
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* Platine Template |
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* |
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* Platine Template is a template engine that has taken a lot of inspiration from Django. |
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* |
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* This content is released under the MIT License (MIT) |
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* |
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* Copyright (c) 2020 Platine Template |
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* Copyright (c) 2014 Guz Alexander, http://guzalexander.com |
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* Copyright (c) 2011, 2012 Harald Hanek, http://www.delacap.com |
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* Copyright (c) 2006 Mateo Murphy |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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/** |
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* @file IncludeTag.php |
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* |
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* The "include" Template tag class |
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* |
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* @package Platine\Template\Tag |
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* @author Platine Developers Team |
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* @copyright Copyright (c) 2020 |
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* @license http://opensource.org/licenses/MIT MIT License |
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* @link https://www.platine-php.com |
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* @version 1.0.0 |
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* @filesource |
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*/ |
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declare(strict_types=1); |
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namespace Platine\Template\Tag; |
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use Platine\Template\Exception\ParseException; |
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use Platine\Template\Parser\AbstractTag; |
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use Platine\Template\Parser\Context; |
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use Platine\Template\Parser\Document; |
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use Platine\Template\Parser\Lexer; |
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use Platine\Template\Parser\Parser; |
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use Platine\Template\Parser\Token; |
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/** |
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* @class IncludeTag |
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* @package Platine\Template\Tag |
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*/ |
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class IncludeTag extends AbstractTag |
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{ |
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/** |
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* The name of the template |
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* @var string |
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*/ |
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protected string $templateName; |
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/** |
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* The Document that represents the extends template |
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* @var Document |
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*/ |
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protected Document $document; |
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/** |
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* The source template Hash |
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* @var string |
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*/ |
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protected string $hash; |
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/** |
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* if the variable is a collection |
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* @var bool |
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*/ |
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protected bool $isCollection = false; |
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/** |
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* The value to pass to the child |
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* template as the template name |
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* @var mixed |
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*/ |
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protected mixed $variable; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __construct(string $markup, array &$tokens, Parser $parser) |
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{ |
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$lexer = new Lexer( |
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'/("[^"]+"|\'[^\']+\'|[^\'"\s]+)(\s+(with|for)\s+(' |
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. Token::QUOTED_FRAGMENT |
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. '+))?/' |
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); |
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if (!$lexer->match($markup)) { |
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throw new ParseException(sprintf( |
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'Syntax Error in "%s" - Valid syntax: include "[template]" (with|for) [object|collection]', |
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'include' |
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)); |
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} |
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$unquoted = (strpos($lexer->getStringMatch(1), '"') === false |
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&& strpos($lexer->getStringMatch(1), '\'') === false |
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); |
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$start = 1; |
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$length = strlen($lexer->getStringMatch(1)) - 2; |
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if ($unquoted) { |
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$start = 0; |
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$length = strlen($lexer->getStringMatch(1)); |
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} |
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$this->templateName = substr($lexer->getStringMatch(1), $start, $length); |
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if ($lexer->isMatchNotNull(1)) { |
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$this->isCollection = $lexer->isMatchNotNull(3) |
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? $lexer->getStringMatch(3) === 'for' |
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: false; |
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$this->variable = $lexer->isMatchNotNull(4) |
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? $lexer->getStringMatch(4) |
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: ''; |
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} |
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$this->extractAttributes($markup); |
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parent::__construct($markup, $tokens, $parser); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function parse(array &$tokens): void |
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{ |
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$source = $this->parser->getLoader()->read($this->templateName); |
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$cache = $this->parser->getTemplate()->getCache(); |
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$mainTokens = []; |
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$this->hash = md5($this->templateName); |
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/** @var Document|false $document */ |
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$document = $cache->read($this->hash, true); |
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if ($document === false || ($document->hasIncludes())) { |
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$mainTokens = $this->parser->tokenize($source); |
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$this->document = new Document($mainTokens, $this->parser); |
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$cache->write($this->hash, $this->document, true); |
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} else { |
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$this->document = $document; |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function render(Context $context): string |
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{ |
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$result = ''; |
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$variable = $context->get($this->variable); |
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$context->push(); |
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foreach ($this->attributes as $key => $value) { |
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$context->set($key, $context->get($value)); |
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} |
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if ($this->isCollection && is_array($variable)) { |
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foreach ($variable as $item) { |
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$context->set($this->templateName, $item); |
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$result .= $this->document->render($context); |
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} |
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} else { |
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if (!empty($this->variable)) { |
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$context->set($this->templateName, $variable); |
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} |
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$result .= $this->document->render($context); |
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} |
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$context->pop(); |
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return $result; |
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} |
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/** |
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* Check for cached includes; |
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* if there are - do not use cache |
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* @return bool |
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*/ |
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public function hasIncludes(): bool |
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{ |
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if ($this->document->hasIncludes()) { |
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return true; |
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} |
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$cache = $this->parser->getTemplate()->getCache(); |
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$hash = md5($this->templateName); |
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if ($cache->exists($hash) && $this->hash === $hash) { |
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return false; |
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} |
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return true; |
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} |
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} |
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