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