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<?php |
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/* |
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* (c) Jean-François Lépine <https://twitter.com/Halleck45> |
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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 Hal\Component\Token; |
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/** |
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* Representation of Collection of tokens |
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* |
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* @author Jean-François Lépine <https://twitter.com/Halleck45> |
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*/ |
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class TokenCollection implements \ArrayAccess, \IteratorAggregate, \Countable { |
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/** |
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* @var array |
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*/ |
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protected $tokens = array(); |
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/** |
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* Constructor |
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* |
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* @param $tokens |
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*/ |
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public function __construct(array $tokens) |
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{ |
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foreach($tokens as $index => &$token) { |
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if(!$token instanceof Token) { |
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$token = new Token($token); |
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} |
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} |
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// $this->tokens = $tokens;return; |
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$compability = new TokenCollectionCompatibility(); |
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$this->tokens = $compability->decorate($tokens); |
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} |
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/** |
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* Push token |
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* |
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* @param Token $token |
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* @return $this |
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*/ |
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public function push(Token $token) { |
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array_push($this->tokens, $token); |
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return $this; |
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} |
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/** |
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* Extract part of tokens (equivalent of array_slice()) |
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* |
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* @param $start |
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* @param $end |
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* @return TokenCollection |
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*/ |
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public function extract($start, $end) { |
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$concerned = array_slice($this->asArray(), $start, $end - $start ); |
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return new TokenCollection($concerned); |
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} |
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/** |
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* As string representation |
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* |
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* @return string |
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*/ |
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public function asString() { |
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$c = ''; |
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foreach($this->tokens as $token) { |
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$c .= $token->asString(); |
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} |
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$c = preg_replace('!(\n\s+)!', "\n", $c); |
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return trim($c); |
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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->tokens[$offset]); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function offsetGet($offset) |
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{ |
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return $this->tokens[$offset]; |
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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 Token) { |
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$value = new Token($value); |
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} |
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$this->tokens[$offset] = $value; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function offsetUnset($offset) |
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{ |
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unset($this->tokens[$offset]); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getIterator() |
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{ |
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return new \ArrayIterator($this->tokens); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function count() { |
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return sizeof($this->tokens, COUNT_NORMAL); |
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} |
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/** |
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* As array representation |
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* |
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* @return array |
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*/ |
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public function asArray() { |
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return $this->tokens; |
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} |
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/** |
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* Replace token with another |
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* |
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* @param $index |
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* @param Token $token |
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* @return $this |
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*/ |
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public function replace($index, Token $token) { |
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$tokens = $this->tokens; |
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$tokens[$index] = $token; |
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return new TokenCollection($tokens); |
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} |
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/** |
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* Remove part of tokens |
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* |
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* @param $index |
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* @param null $end |
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* @return TokenCollection |
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*/ |
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public function remove($index, $end = null) |
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{ |
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$tokens = $this->tokens; |
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if (null === $end) { |
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$end = $index; |
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} |
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for ($i = $index; $i <= $end; $i++) { |
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unset($tokens[$i]); |
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} |
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return new TokenCollection(array_values($tokens)); |
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} |
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/** |
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* Get token by its index |
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* |
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* @param $index |
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* @return null|Token |
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*/ |
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public function get($index) { |
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return isset($this->tokens[$index]) ? $this->tokens[$index] : null; |
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} |
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} |
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Halleck45 /
PhpMetrics
