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<?php |
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namespace nstdio\svg; |
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/** |
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* Class ChildStorage |
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* |
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* @package nstdio\svg |
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* @author Edgar Asatryan <[email protected]> |
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*/ |
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class ElementStorage implements \Countable, \ArrayAccess, \Iterator |
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{ |
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private $data = []; |
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/** |
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* @inheritdoc |
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*/ |
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public function count() |
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{ |
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return count($this->data); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function offsetExists($offset) |
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{ |
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return isset($this->data[$offset]); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function offsetGet($offset) |
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{ |
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if ($this->offsetExists($offset)) { |
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return $this->data[$offset]; |
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} |
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return null; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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if (!($value instanceof ElementInterface)) { |
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throw new \InvalidArgumentException( |
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sprintf("The value must implement ElementInterface, %s given.", gettype($value)) |
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); |
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} |
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if (gettype($offset) !== 'integer' && $offset !== null) { |
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throw new \InvalidArgumentException( |
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sprintf("The offset must be integer, %s given.", gettype($offset)) |
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); |
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} |
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if (!in_array($value, $this->data, true)) { |
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if ($offset === null) { |
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$this->data[] = $value; |
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} |
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} |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function offsetUnset($offset) |
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{ |
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if ($this->offsetExists($offset)) { |
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unset($this->data[$offset]); |
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$this->data = array_values($this->data); |
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} |
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} |
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public function remove(ElementInterface $element) |
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{ |
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$key = array_search($element, $this->data, true); |
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if ($key !== false) { |
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$this->offsetUnset($key); |
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} |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function current() |
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{ |
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return current($this->data); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function next() |
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{ |
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return next($this->data); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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1 |
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public function key() |
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{ |
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return key($this->data); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function valid() |
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{ |
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return key($this->data) !== null; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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8 |
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public function rewind() |
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{ |
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8 |
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return reset($this->data); |
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} |
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} |
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nstdio /
SVGMagick
