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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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/**
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 * A constant name tab completion Matcher.
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 *
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 * This matcher provides completion for all defined constants.
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 *
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 * @author Marc Garcia <markcial@gmail.com>
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 */
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class ConstantsMatcher extends AbstractMatcher
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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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        $const = $this->getInput($tokens);
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        return \array_filter(\array_keys(\get_defined_constants()), function ($constant) use ($const) {
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            return AbstractMatcher::startsWith($const, $constant);
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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($prevToken, self::T_NEW):
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            case self::tokenIs($prevToken, self::T_NS_SEPARATOR):
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                return false;
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            case self::hasToken([self::T_OPEN_TAG, self::T_STRING], $token):
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            case self::isOperator($token):
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                return true;
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        }
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        return false;
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    }
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}