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<?php |
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/* |
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* This file is part of the Prophecy. |
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* (c) Konstantin Kudryashov <[email protected]> |
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* Marcello Duarte <[email protected]> |
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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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namespace Prophecy\Doubler\ClassPatch; |
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use Prophecy\Doubler\Generator\Node\ClassNode; |
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use Prophecy\Doubler\Generator\Node\MethodNode; |
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/** |
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* Traversable interface patch. |
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* Forces classes that implement interfaces, that extend Traversable to also implement Iterator. |
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* |
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* @author Konstantin Kudryashov <[email protected]> |
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*/ |
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class TraversablePatch implements ClassPatchInterface |
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{ |
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/** |
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* Supports nodetree, that implement Traversable, but not Iterator or IteratorAggregate. |
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* |
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* @param ClassNode $node |
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* |
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* @return bool |
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*/ |
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public function supports(ClassNode $node) |
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{ |
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if (in_array('Iterator', $node->getInterfaces())) { |
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return false; |
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} |
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if (in_array('IteratorAggregate', $node->getInterfaces())) { |
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return false; |
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} |
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foreach ($node->getInterfaces() as $interface) { |
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if ('Traversable' !== $interface && !is_subclass_of($interface, 'Traversable')) { |
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continue; |
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} |
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if ('Iterator' === $interface || is_subclass_of($interface, 'Iterator')) { |
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continue; |
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} |
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if ('IteratorAggregate' === $interface || is_subclass_of($interface, 'IteratorAggregate')) { |
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continue; |
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} |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Forces class to implement Iterator interface. |
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* |
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* @param ClassNode $node |
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*/ |
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public function apply(ClassNode $node) |
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{ |
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$node->addInterface('Iterator'); |
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$node->addMethod(new MethodNode('current')); |
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$node->addMethod(new MethodNode('key')); |
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$node->addMethod(new MethodNode('next')); |
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$node->addMethod(new MethodNode('rewind')); |
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$node->addMethod(new MethodNode('valid')); |
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} |
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/** |
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* Returns patch priority, which determines when patch will be applied. |
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* |
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* @return int Priority number (higher - earlier) |
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*/ |
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public function getPriority() |
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{ |
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return 100; |
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} |
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} |
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phpspec /
prophecy
