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<?php |
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/** |
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* Copyright (c) 2017–2018 Ryan Parman <http://ryanparman.com>. |
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* Copyright (c) 2017–2018 Contributors. |
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* |
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* http://opensource.org/licenses/Apache2.0 |
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*/ |
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declare(strict_types=1); |
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namespace SimplePie\Mixin; |
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use SimplePie\Configuration as C; |
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use SimplePie\Type\Node; |
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use SimplePie\Type\TypeInterface; |
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use Skyzyx\UtilityPack\Types; |
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/** |
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* Shared code for working with deeply-nested elements for types. |
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*/ |
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trait DeepTypeTrait |
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{ |
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/** |
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* Retrieves nodes that are simple scalars, and there is only one allowed value. |
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* |
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* @param object $root The root node for performing the lookup. Expected to be either a `stdClass` |
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* (for `Feed`), or an `SimplePie\Type\Entry` instance. |
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* @param string $nodeName The name of the tree node to retrieve. Available tree nodes can be viewed by |
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* looking at the response from `getRoot()`. |
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* @param string|null $namespaceAlias The XML namespace alias to apply. |
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* |
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* @return Node |
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* |
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* phpcs:disable Generic.Functions.OpeningFunctionBraceBsdAllman.BraceOnSameLine |
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*/ |
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protected function getScalarSingleValue( |
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object $root, |
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string $nodeName, |
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?string $namespaceAlias = null |
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): Node { |
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// phpcs:enable |
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$alias = $namespaceAlias ?? $this->namespaceAlias; |
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if (isset($root->{$nodeName}[$alias])) { |
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return $root->{$nodeName}[$alias]; |
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} |
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return new Node(); |
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} |
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/** |
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* Retrieves nodes that are complex types, and there is only one allowed value. |
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* |
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* @param object $root The root node for performing the lookup. Expected to be either a `stdClass` |
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* (for `Feed`), or an `SimplePie\Type\Entry` instance. |
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* @param string $nodeName The name of the tree node to retrieve. Available tree nodes can be viewed by |
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* looking at the response from `getRoot()`. |
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* @param string $className The class name to instantiate when there is not a defined value. |
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* @param string|null $namespaceAlias The XML namespace alias to apply. |
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* |
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* @return TypeInterface |
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* |
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* phpcs:disable Generic.Functions.OpeningFunctionBraceBsdAllman.BraceOnSameLine |
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*/ |
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protected function getComplexSingleValue( |
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object $root, |
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string $nodeName, |
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string $className, |
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?string $namespaceAlias = null |
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): TypeInterface { |
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// phpcs:enable |
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$alias = $namespaceAlias ?? $this->namespaceAlias; |
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if (isset($root->{$nodeName}[$alias])) { |
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return new $className($root->{$nodeName}[$alias]->getNode()); |
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} |
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return new $className(); |
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} |
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/** |
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* Retrieves nodes that are complex types, and there may be are more than one value. |
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* |
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* @param object $root The root node for performing the lookup. Expected to be either a `stdClass` |
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* (for `Feed`), or an `SimplePie\Type\Entry` instance. |
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* @param string $nodeName The name of the tree node to retrieve. Available tree nodes can be viewed by |
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* looking at the response from `getRoot()`. |
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* @param string|null $namespaceAlias The XML namespace alias to apply. |
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* |
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* @return iterable |
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* |
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* phpcs:disable Generic.Functions.OpeningFunctionBraceBsdAllman.BraceOnSameLine |
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*/ |
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protected function getComplexMultipleValues( |
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object $root, |
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string $nodeName, |
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?string $namespaceAlias = null |
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): iterable { |
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// phpcs:enable |
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$alias = $namespaceAlias ?? $this->namespaceAlias; |
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if (isset($root->{$nodeName}[$alias])) { |
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return $root->{$nodeName}[$alias]; |
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} |
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return []; |
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} |
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} |
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simplepie /
simplepie-ng
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