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<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2020 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 variable name tab completion Matcher.
*
* This matcher provides completion for variable names in the current Context.
*
* @author Marc Garcia <markcial@gmail.com>
*/
class VariablesMatcher extends AbstractContextAwareMatcher
{
/**
* {@inheritdoc}
*/
public function getMatches(array $tokens, array $info = [])
{
$var = \str_replace('$', '', $this->getInput($tokens));
return \array_filter(\array_keys($this->getVariables()), function ($variable) use ($var) {
return AbstractMatcher::startsWith($var, $variable);
});
}
/**
* {@inheritdoc}
*/
public function hasMatched(array $tokens)
{
$token = \array_pop($tokens);
switch (true) {
case self::hasToken([self::T_OPEN_TAG, self::T_VARIABLE], $token):
case \is_string($token) && $token === '$':
case self::isOperator($token):
return true;
}
return false;
}
}