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<?php |
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/** |
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* This file is part of byrokrat\autogiro. |
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* |
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* byrokrat\autogiro is free software: you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as published |
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* by the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* byrokrat\autogiro is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with byrokrat\autogiro. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* Copyright 2016-18 Hannes Forsgård |
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*/ |
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declare(strict_types = 1); |
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namespace byrokrat\autogiro\Visitor; |
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use byrokrat\autogiro\Tree\Node; |
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use byrokrat\autogiro\Exception\TreeException; |
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/** |
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* Container for multiple visitors |
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*/ |
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final class VisitorContainer extends Visitor |
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{ |
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use ErrorAwareTrait; |
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/** |
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* @var VisitorInterface[] Contained visitors |
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*/ |
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private $visitors = []; |
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/** |
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* Get contained visitors |
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* |
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* @return VisitorInterface[] |
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*/ |
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public function getVisitors(): array |
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{ |
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return $this->visitors; |
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} |
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/** |
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* Add a visitor to container |
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*/ |
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public function addVisitor(VisitorInterface $visitor): void |
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{ |
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$this->visitors[] = $visitor; |
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} |
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/** |
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* Delegate visit before to registered visitors |
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*/ |
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public function visitBefore(Node $node): void |
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{ |
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parent::visitBefore($node); |
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foreach ($this->visitors as $visitor) { |
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$visitor->visitBefore($node); |
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} |
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} |
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/** |
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* Delegate visit after to registered visitors |
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*/ |
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public function visitAfter(Node $node): void |
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{ |
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foreach ($this->visitors as $visitor) { |
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$visitor->visitAfter($node); |
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} |
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parent::visitAfter($node); |
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} |
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/** |
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* Reset the error container before a file node |
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*/ |
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public function beforeAutogiroFile(): void |
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{ |
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$this->getErrorObject()->resetErrors(); |
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} |
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/** |
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* Throw exception if there are errors after iteration |
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*/ |
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public function afterAutogiroFile(): void |
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{ |
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if ($this->getErrorObject()->hasErrors()) { |
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throw new TreeException($this->getErrorObject()->getErrors()); |
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} |
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} |
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} |
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