4 * This file is part of Psy Shell.
6 * (c) 2012-2017 Justin Hileman
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
12 namespace Psy\TabCompletion\Matcher;
15 * A PHP keyword tab completion Matcher.
17 * This matcher provides completion for all function-like PHP keywords.
19 * @author Marc Garcia <markcial@gmail.com>
21 class KeywordsMatcher extends AbstractMatcher
23 protected $keywords = array(
24 'array', 'clone', 'declare', 'die', 'echo', 'empty', 'eval', 'exit', 'include',
25 'include_once', 'isset', 'list', 'print', 'require', 'require_once', 'unset',
28 protected $mandatoryStartKeywords = array(
29 'die', 'echo', 'print', 'unset',
33 * Get all (completable) PHP keywords.
37 public function getKeywords()
39 return $this->keywords;
43 * Check whether $keyword is a (completable) PHP keyword.
45 * @param string $keyword
49 public function isKeyword($keyword)
51 return in_array($keyword, $this->keywords);
57 public function getMatches(array $tokens, array $info = array())
59 $input = $this->getInput($tokens);
61 return array_filter($this->keywords, function ($keyword) use ($input) {
62 return AbstractMatcher::startsWith($input, $keyword);
69 public function hasMatched(array $tokens)
71 $token = array_pop($tokens);
72 $prevToken = array_pop($tokens);
75 case self::hasToken(array(self::T_OPEN_TAG, self::T_VARIABLE), $token):
76 // case is_string($token) && $token === '$':
77 case self::hasToken(array(self::T_OPEN_TAG, self::T_VARIABLE), $prevToken) &&
78 self::tokenIs($token, self::T_STRING):
79 case self::isOperator($token):