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<?php |
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namespace Thruster\Component\XMLIterator; |
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use Iterator as IteratorInterface; |
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use Countable; |
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use ArrayAccess; |
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use BadMethodCallException; |
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/** |
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* Class AttributeIterator |
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* |
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* @package Thruster\Component\XMLIterator |
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* @author Aurimas Niekis <[email protected]> |
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*/ |
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class AttributeIterator implements IteratorInterface, Countable, ArrayAccess |
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{ |
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/** |
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* @var XMLReader |
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*/ |
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private $reader; |
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/** |
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* @var bool |
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*/ |
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private $valid; |
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/** |
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* @var array |
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*/ |
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private $array; |
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public function __construct(XMLReader $reader) |
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{ |
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$this->reader = $reader; |
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} |
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public function count() |
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{ |
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return $this->reader->attributeCount; |
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} |
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public function current() |
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{ |
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return $this->reader->value; |
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} |
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public function key() |
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{ |
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return $this->reader->name; |
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} |
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public function next() |
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{ |
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$this->valid = $this->reader->moveToNextAttribute(); |
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if (!$this->valid) { |
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$this->reader->moveToElement(); |
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} |
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} |
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public function rewind() |
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{ |
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$this->valid = $this->reader->moveToFirstAttribute(); |
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} |
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public function valid() |
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{ |
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return $this->valid; |
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} |
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public function getArrayCopy() |
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{ |
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if ($this->array === null) { |
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$this->array = iterator_to_array($this); |
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} |
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return $this->array; |
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} |
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public function getAttributeNames() |
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{ |
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return array_keys($this->getArrayCopy()); |
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} |
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public function offsetExists($offset) |
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{ |
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$attributes = $this->getArrayCopy(); |
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return isset($attributes[$offset]); |
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} |
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public function offsetGet($offset) |
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{ |
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$attributes = $this->getArrayCopy(); |
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return $attributes[$offset]; |
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} |
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public function offsetSet($offset, $value) |
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{ |
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throw new BadMethodCallException('XMLReader attributes are read-only'); |
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} |
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public function offsetUnset($offset) |
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{ |
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throw new BadMethodCallException('XMLReader attributes are read-only'); |
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} |
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/** |
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* @return XMLReader |
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*/ |
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public function getReader() |
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{ |
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return $this->getReader(); |
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} |
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} |
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