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<?php |
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namespace Kevintweber\HtmlTokenizer\Tokens; |
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/** |
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* A TokenCollection is a group of tokens designed to act similiar to |
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* an array. |
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*/ |
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class TokenCollection implements \ArrayAccess, \IteratorAggregate |
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{ |
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/** @var array[Token] */ |
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private $tokens; |
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/** |
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* Constructor |
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*/ |
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public function __construct() |
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{ |
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$this->tokens = array(); |
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} |
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public function toArray() |
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{ |
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$result = array(); |
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foreach ($this->tokens as $token) { |
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$result[] = $token->toArray(); |
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} |
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return $result; |
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} |
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public function reset() |
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{ |
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return reset($this->tokens); |
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} |
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public function current() |
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{ |
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return current($this->tokens); |
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} |
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public function end() |
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{ |
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return end($this->tokens); |
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} |
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public function next() |
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{ |
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return next($this->tokens); |
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} |
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public function prev() |
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{ |
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return prev($this->tokens); |
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} |
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public function remove(Token $token) |
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{ |
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$key = array_search($token, $this->tokens, true); |
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if ($key === false) { |
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return false; |
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} |
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unset($this->tokens[$key]); |
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return true; |
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} |
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/** |
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* Required by the ArrayAccess interface. |
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*/ |
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public function offsetExists($offset) |
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{ |
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return array_key_exists($offset, $this->tokens); |
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} |
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/** |
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* Required by the ArrayAccess interface. |
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*/ |
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public function offsetGet($offset) |
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{ |
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return $this->tokens[$offset]; |
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} |
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/** |
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* Required by the ArrayAccess interface. |
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*/ |
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public function offsetSet($offset, $value) |
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{ |
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if (!$value instanceof Token) { |
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throw new \InvalidArgumentException('Value must be of type Token.'); |
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} |
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$this->tokens[$offset] = $value; |
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} |
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/** |
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* Required by the ArrayAccess interface. |
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*/ |
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public function offsetUnset($offset) |
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{ |
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unset($this->tokens[$offset]); |
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} |
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public function count() |
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{ |
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return count($this->tokens); |
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} |
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public function isEmpty() |
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{ |
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return empty($this->tokens); |
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} |
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/** |
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* Required by the IteratorAggregate interface. |
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*/ |
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public function getIterator() |
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{ |
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return new \ArrayIterator($this->tokens); |
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} |
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} |
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kevintweber /
HtmlTokenizer
