ClassAttributesMatcher.php
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<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2015 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 class attribute tab completion Matcher.
*
* Given a namespace and class, this matcher provides completion for constants
* and static properties.
*
* @author Marc Garcia <markcial@gmail.com>
*/
class ClassAttributesMatcher extends AbstractMatcher
{
/**
* {@inheritdoc}
*/
public function getMatches(array $tokens, array $info = array())
{
$input = $this->getInput($tokens);
$firstToken = array_pop($tokens);
if (self::tokenIs($firstToken, self::T_STRING)) {
// second token is the nekudotayim operator
array_pop($tokens);
}
$class = $this->getNamespaceAndClass($tokens);
$reflection = new \ReflectionClass($class);
$vars = array_merge(
array_map(
function ($var) {
return '$' . $var;
},
array_keys($reflection->getStaticProperties())
),
array_keys($reflection->getConstants())
);
return array_map(
function ($name) use ($class) {
return $class . '::' . $name;
},
array_filter(
$vars,
function ($var) use ($input) {
return AbstractMatcher::startsWith($input, $var);
}
)
);
}
/**
* {@inheritdoc}
*/
public function hasMatched(array $tokens)
{
$token = array_pop($tokens);
$prevToken = array_pop($tokens);
switch (true) {
case self::tokenIs($prevToken, self::T_DOUBLE_COLON) && self::tokenIs($token, self::T_STRING):
case self::tokenIs($token, self::T_DOUBLE_COLON):
return true;
}
return false;
}
}