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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\OOP\Extractor; |
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use Hal\Component\Token\TokenCollection; |
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/** |
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* Tool class |
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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 Searcher { |
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/** |
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* Get value under limiters |
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* |
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* @param string[] $delimiters |
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* @param int $n |
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* @param \Hal\Component\Token\TokenCollection $tokens |
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* @return null|string |
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*/ |
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public function getUnder(array $delimiters, &$n, TokenCollection $tokens) { |
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$end = sizeof($tokens, COUNT_NORMAL); |
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$value = ''; |
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while($n < $end) { |
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$token = $tokens[$n]; |
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if(in_array($token->getValue(), $delimiters)) { |
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return $value; |
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} |
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$value .= $token->getValue(); |
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$n++; |
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} |
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return null; |
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} |
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/** |
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* Get non whitespace previous token |
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* |
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* @param $n |
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* @param \Hal\Component\Token\TokenCollection $tokens |
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* @return null |
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*/ |
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public function getPrevious(&$n, TokenCollection $tokens) { |
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$p = $n - 1; |
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for($i = $p ; $i > 0; $i--) { |
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if(T_WHITESPACE !== $tokens[$i]->getType()) { |
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return $tokens[$i]; |
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} |
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} |
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return null; |
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} |
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/** |
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* Get name following token |
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* |
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* @param $n |
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* @param \Hal\Component\Token\TokenCollection $tokens |
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* @return null|string |
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*/ |
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public function getFollowingName(&$n, TokenCollection $tokens) { |
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$n = $n + 2; |
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return $this->getUnder(array('{', ' ', ';', '(', '::'), $n, $tokens); |
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} |
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/** |
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* Get the position of the brace which closes the next brace |
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* |
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* @param integer $n |
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* @param TokenCollection $tokens |
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* @return null |
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*/ |
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public function getPositionOfClosingBrace(&$n, TokenCollection $tokens) { |
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// search the end of the method |
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$openBrace = 0; |
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$start = null; |
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$len = sizeof($tokens); |
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for($i = $n; $i < $len; $i++) { |
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$token = $tokens[$i]; |
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if(T_STRING == $token->getType()) { |
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switch($token->getValue()) { |
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case '{': |
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$openBrace++; |
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if(is_null($start)) { |
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$start = $n = $i + 1; |
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} |
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break; |
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case '}': |
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$openBrace--; |
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if($openBrace <= 0) { |
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return $i; |
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} |
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break; |
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} |
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} |
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} |
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return null; |
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} |
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public function getExtendPosition(TokenCollection $tokens, $start) |
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{ |
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for($i = $start; $i > 0; $i--) { |
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$token = $tokens[$i]; |
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if ($token->getValue() === 'extends') { |
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return $i; |
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} |
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} |
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return null; |
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} |
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public function getClassNamePosition(TokenCollection $tokens) |
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{ |
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$len = sizeof($tokens); |
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for($i = 0; $i < $len; $i++) { |
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$token = $tokens[$i]; |
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if ($token->getValue() === 'class') { |
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return $i; |
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} |
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} |
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return null; |
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} |
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public function getPositionOfPrevious($tokenType, $n, TokenCollection $tokens) { |
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View Code Duplication |
for($i = $n; $i > 0; $i--) { |
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if($tokenType == $tokens->get($i)->getType()) { |
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return $i; |
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} |
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} |
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return null; |
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} |
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public function getPositionOfNext($tokenType, $n, TokenCollection $tokens) { |
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$len = sizeof($tokens); |
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View Code Duplication |
for($i = $n; $i < $len; $i++) { |
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if($tokenType == $tokens->get($i)->getType()) { |
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return $i; |
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} |
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} |
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return null; |
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} |
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public function isPrecededBy($tokenType, $n, TokenCollection $tokens, $limit = 2) { |
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$position = $this->getPositionOfPrevious($tokenType, $n, $tokens); |
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return ($n - $position <= $limit); |
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} |
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public function isFollowedBy($tokenType, $n, TokenCollection $tokens, $limit = 2) { |
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$position = $this->getPositionOfNext($tokenType, $n, $tokens); |
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return ($position - $n >= $limit); |
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} |
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}; |
Halleck45 /
PhpMetrics
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.