MongoDatabaseMatcher.php
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MongoDatabaseMatcher.php
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	<?php

	/*
	* This file is part of Psy Shell.
	*
	* (c) 2012-2023 Justin Hileman
	*
	* For the full copyright and license information, please view the LICENSE
	* file that was distributed with this source code.
	*/

	namespace Psy\TabCompletion\Matcher;

	/**
	* A MongoDB tab completion Matcher.
	*
	* This matcher provides completion for Mongo collection names.
	*
	* @author Marc Garcia <markcial@gmail.com>
	*/
	class MongoDatabaseMatcher extends AbstractContextAwareMatcher
	{
	/**
	* {@inheritdoc}
	*/
	public function getMatches(array $tokens, array $info = []): array
	{
	$input = $this->getInput($tokens);

	$firstToken = \array_pop($tokens);
	if (self::tokenIs($firstToken, self::T_STRING)) {
	// second token is the object operator
	\array_pop($tokens);
	}
	$objectToken = \array_pop($tokens);
	$objectName = \str_replace('$', '', $objectToken[1]);
	$object = $this->getVariable($objectName);

	if (!$object instanceof \MongoDB) {
	return [];
	}

	return \array_filter(
	$object->getCollectionNames(),
	function ($var) use ($input) {
	return AbstractMatcher::startsWith($input, $var);
	}
	);
	}

	/**
	* {@inheritdoc}
	*/
	public function hasMatched(array $tokens): bool
	{
	$token = \array_pop($tokens);
	$prevToken = \array_pop($tokens);

	switch (true) {
	case self::tokenIs($token, self::T_OBJECT_OPERATOR):
	case self::tokenIs($prevToken, self::T_OBJECT_OPERATOR):
	return true;
	}

	return false;
	}
	}