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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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/*
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 * This file is part of Psy Shell.
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 *
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 * (c) 2012-2022 Justin Hileman
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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 Psy\TabCompletion\Matcher;
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use InvalidArgumentException;
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/**
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 * An object attribute tab completion Matcher.
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 *
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 * This matcher provides completion for properties of objects in the current
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 * Context.
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 *
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 * @author Marc Garcia <markcial@gmail.com>
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 */
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class ObjectAttributesMatcher extends AbstractContextAwareMatcher
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{
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    /**
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     * {@inheritdoc}
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     */
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    public function getMatches(array $tokens, array $info = []): array
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    {
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        $input = $this->getInput($tokens);
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        $firstToken = \array_pop($tokens);
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        if (self::tokenIs($firstToken, self::T_STRING)) {
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            // second token is the object operator
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            \array_pop($tokens);
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        }
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        $objectToken = \array_pop($tokens);
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        if (!\is_array($objectToken)) {
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            return [];
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        }
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        $objectName = \str_replace('$', '', $objectToken[1]);
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        try {
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            $object = $this->getVariable($objectName);
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        } catch (InvalidArgumentException $e) {
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            return [];
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        }
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        if (!\is_object($object)) {
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            return [];
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        }
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        return \array_filter(
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            \array_keys(\get_class_vars(\get_class($object))),
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            function ($var) use ($input) {
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                return AbstractMatcher::startsWith($input, $var);
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            }
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        );
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function hasMatched(array $tokens): bool
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    {
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        $token = \array_pop($tokens);
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        $prevToken = \array_pop($tokens);
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        switch (true) {
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            case self::tokenIs($token, self::T_OBJECT_OPERATOR):
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            case self::tokenIs($prevToken, self::T_OBJECT_OPERATOR):
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                return true;
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        }
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        return false;
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    }
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}