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 class name tab completion Matcher.
Chris@0:  *
Chris@0:  * This matcher provides completion for all declared classes.
Chris@0:  *
Chris@0:  * @author Marc Garcia <markcial@gmail.com>
Chris@0:  */
Chris@0: class ClassNamesMatcher 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:         $class = $this->getNamespaceAndClass($tokens);
Chris@0:         if (strlen($class) > 0 && $class[0] === '\\') {
Chris@0:             $class = substr($class, 1, strlen($class));
Chris@0:         }
Chris@0:         $quotedClass = preg_quote($class);
Chris@0: 
Chris@0:         return array_map(
Chris@0:             function ($className) use ($class) {
Chris@0:                 // get the number of namespace separators
Chris@0:                 $nsPos = substr_count($class, '\\');
Chris@0:                 $pieces = explode('\\', $className);
Chris@0:                 //$methods = Mirror::get($class);
Chris@0:                 return implode('\\', array_slice($pieces, $nsPos, count($pieces)));
Chris@0:             },
Chris@0:             array_filter(
Chris@0:                 get_declared_classes(),
Chris@0:                 function ($className) use ($quotedClass) {
Chris@0:                     return AbstractMatcher::startsWith($quotedClass, $className);
Chris@0:                 }
Chris@0:             )
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:         $blacklistedTokens = array(
Chris@0:             self::T_INCLUDE, self::T_INCLUDE_ONCE, self::T_REQUIRE, self::T_REQUIRE_ONCE,
Chris@0:         );
Chris@0: 
Chris@0:         switch (true) {
Chris@0:             case self::hasToken(array($blacklistedTokens), $token):
Chris@0:             case self::hasToken(array($blacklistedTokens), $prevToken):
Chris@0:             case is_string($token) && $token === '$':
Chris@0:                 return false;
Chris@0:             case self::hasToken(array(self::T_NEW, self::T_OPEN_TAG, self::T_NS_SEPARATOR), $prevToken):
Chris@0:             case self::hasToken(array(self::T_NEW, self::T_OPEN_TAG, self::T_NS_SEPARATOR), $token):
Chris@0:             case self::hasToken(array(self::T_OPEN_TAG, self::T_VARIABLE), $token):
Chris@0:             case self::isOperator($token):
Chris@0:                 return true;
Chris@0:         }
Chris@0: 
Chris@0:         return false;
Chris@0:     }
Chris@0: }