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<?php declare(strict_types=1); |
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/* |
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* This file is part of the feed-io package. |
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* |
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* (c) Alexandre Debril <[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 FeedIo; |
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use FeedIo\Rule\OptionalField; |
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class RuleSet |
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{ |
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/** |
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* @var \ArrayIterator |
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*/ |
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protected $rules; |
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/** |
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* @var array |
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*/ |
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protected $aliases = array(); |
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/** |
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* @var RuleAbstract |
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*/ |
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protected $default; |
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/** |
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* @param RuleAbstract $default default rule |
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*/ |
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public function __construct(RuleAbstract $default = null) |
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{ |
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$this->rules = new \ArrayIterator(array()); |
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$this->default = is_null($default) ? new OptionalField() : $default; |
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} |
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/** |
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* @return RuleAbstract |
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*/ |
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public function getDefault() : RuleAbstract |
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{ |
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return $this->default; |
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} |
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/** |
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* @return array |
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*/ |
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public function getRules() : array |
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{ |
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return $this->rules->getArrayCopy(); |
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} |
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/** |
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* @param RuleAbstract $rule |
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* @param array $aliases |
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* @return RuleSet |
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*/ |
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public function add(RuleAbstract $rule, array $aliases = array()) : RuleSet |
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{ |
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$this->rules->offsetSet(strtolower($rule->getNodeName()), $rule); |
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$this->addAliases($rule->getNodeName(), $aliases); |
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return $this; |
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} |
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/** |
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* @param string $name |
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* @param array $aliases |
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* @return RuleSet |
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*/ |
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public function addAliases(string $name, array $aliases) : RuleSet |
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{ |
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foreach ($aliases as $alias) { |
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$this->aliases[strtolower($alias)] = strtolower($name); |
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} |
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return $this; |
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} |
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/** |
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* @param string $name |
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* @return RuleAbstract |
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* @throws NotFoundException |
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*/ |
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public function get(string $name) : RuleAbstract |
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{ |
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$name = $this->getNameForAlias(strtolower($name)); |
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if ($this->rules->offsetExists($name)) { |
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return $this->rules->offsetGet($name); |
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} |
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return $this->default; |
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} |
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/** |
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* @param $alias |
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* @return string |
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*/ |
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public function getNameForAlias(string $alias) : string |
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{ |
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if (array_key_exists($alias, $this->aliases)) { |
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return $this->aliases[$alias]; |
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} |
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return $alias; |
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} |
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} |
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alexdebril /
feed-io
