Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of Psy Shell.
Chris@0:  *
Chris@0:  * (c) 2012-2017 Justin Hileman
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Psy\TabCompletion\Matcher;
Chris@0: 
Chris@0: /**
Chris@0:  * A function name tab completion Matcher.
Chris@0:  *
Chris@0:  * This matcher provides completion for all internal and user-defined functions.
Chris@0:  *
Chris@0:  * @author Marc Garcia <markcial@gmail.com>
Chris@0:  */
Chris@0: class FunctionsMatcher extends AbstractMatcher
Chris@0: {
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function getMatches(array $tokens, array $info = array())
Chris@0:     {
Chris@0:         $func = $this->getInput($tokens);
Chris@0: 
Chris@0:         $functions = get_defined_functions();
Chris@0:         $allFunctions = array_merge($functions['user'], $functions['internal']);
Chris@0: 
Chris@0:         return array_filter($allFunctions, function ($function) use ($func) {
Chris@0:             return AbstractMatcher::startsWith($func, $function);
Chris@0:         });
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function hasMatched(array $tokens)
Chris@0:     {
Chris@0:         $token = array_pop($tokens);
Chris@0:         $prevToken = array_pop($tokens);
Chris@0: 
Chris@0:         switch (true) {
Chris@0:             case self::tokenIs($prevToken, self::T_NEW):
Chris@0:                 return false;
Chris@0:             case self::hasToken(array(self::T_OPEN_TAG, self::T_STRING), $token):
Chris@0:             case self::isOperator($token):
Chris@0:                 return true;
Chris@0:         }
Chris@0: 
Chris@0:         return false;
Chris@0:     }
Chris@0: }