annotate vendor/psy/psysh/src/TabCompletion/Matcher/ClassAttributesMatcher.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 129ea1e6d783
children
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Chris@13 1 <?php
Chris@13 2
Chris@13 3 /*
Chris@13 4 * This file is part of Psy Shell.
Chris@13 5 *
Chris@13 6 * (c) 2012-2018 Justin Hileman
Chris@13 7 *
Chris@13 8 * For the full copyright and license information, please view the LICENSE
Chris@13 9 * file that was distributed with this source code.
Chris@13 10 */
Chris@13 11
Chris@13 12 namespace Psy\TabCompletion\Matcher;
Chris@13 13
Chris@13 14 /**
Chris@13 15 * A class attribute tab completion Matcher.
Chris@13 16 *
Chris@13 17 * Given a namespace and class, this matcher provides completion for constants
Chris@13 18 * and static properties.
Chris@13 19 *
Chris@13 20 * @author Marc Garcia <markcial@gmail.com>
Chris@13 21 */
Chris@13 22 class ClassAttributesMatcher extends AbstractMatcher
Chris@13 23 {
Chris@13 24 /**
Chris@13 25 * {@inheritdoc}
Chris@13 26 */
Chris@13 27 public function getMatches(array $tokens, array $info = [])
Chris@13 28 {
Chris@13 29 $input = $this->getInput($tokens);
Chris@13 30
Chris@17 31 $firstToken = \array_pop($tokens);
Chris@13 32 if (self::tokenIs($firstToken, self::T_STRING)) {
Chris@13 33 // second token is the nekudotayim operator
Chris@17 34 \array_pop($tokens);
Chris@13 35 }
Chris@13 36
Chris@13 37 $class = $this->getNamespaceAndClass($tokens);
Chris@13 38
Chris@13 39 try {
Chris@13 40 $reflection = new \ReflectionClass($class);
Chris@13 41 } catch (\ReflectionException $re) {
Chris@13 42 return [];
Chris@13 43 }
Chris@13 44
Chris@17 45 $vars = \array_merge(
Chris@17 46 \array_map(
Chris@13 47 function ($var) {
Chris@13 48 return '$' . $var;
Chris@13 49 },
Chris@17 50 \array_keys($reflection->getStaticProperties())
Chris@13 51 ),
Chris@17 52 \array_keys($reflection->getConstants())
Chris@13 53 );
Chris@13 54
Chris@17 55 return \array_map(
Chris@13 56 function ($name) use ($class) {
Chris@17 57 $chunks = \explode('\\', $class);
Chris@17 58 $className = \array_pop($chunks);
Chris@16 59
Chris@16 60 return $className . '::' . $name;
Chris@13 61 },
Chris@17 62 \array_filter(
Chris@13 63 $vars,
Chris@13 64 function ($var) use ($input) {
Chris@13 65 return AbstractMatcher::startsWith($input, $var);
Chris@13 66 }
Chris@13 67 )
Chris@13 68 );
Chris@13 69 }
Chris@13 70
Chris@13 71 /**
Chris@13 72 * {@inheritdoc}
Chris@13 73 */
Chris@13 74 public function hasMatched(array $tokens)
Chris@13 75 {
Chris@17 76 $token = \array_pop($tokens);
Chris@17 77 $prevToken = \array_pop($tokens);
Chris@13 78
Chris@13 79 switch (true) {
Chris@13 80 case self::tokenIs($prevToken, self::T_DOUBLE_COLON) && self::tokenIs($token, self::T_STRING):
Chris@13 81 case self::tokenIs($token, self::T_DOUBLE_COLON):
Chris@13 82 return true;
Chris@13 83 }
Chris@13 84
Chris@13 85 return false;
Chris@13 86 }
Chris@13 87 }