82 lines
2.0 KiB
PHP
82 lines
2.0 KiB
PHP
<?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) 2012-2026 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 PHP keyword tab completion Matcher.
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*
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* This matcher provides completion for all function-like PHP keywords.
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*
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* @author Marc Garcia <markcial@gmail.com>
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*/
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class KeywordsMatcher extends AbstractMatcher
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{
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protected $keywords = [
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'array', 'clone', 'declare', 'die', 'echo', 'empty', 'eval', 'exit', 'include',
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'include_once', 'isset', 'list', 'print', 'require', 'require_once', 'unset',
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];
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protected $mandatoryStartKeywords = [
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'die', 'echo', 'print', 'unset',
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];
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/**
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* Get all (completable) PHP keywords.
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*
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* @return string[]
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*/
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public function getKeywords(): array
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{
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return $this->keywords;
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}
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/**
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* Check whether $keyword is a (completable) PHP keyword.
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*
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* @param string $keyword
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*/
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public function isKeyword(string $keyword): bool
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{
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return \in_array($keyword, $this->keywords);
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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 $info = []): array
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{
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$input = $this->getInput($tokens);
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return \array_filter($this->keywords, fn ($keyword) => AbstractMatcher::startsWith($input, $keyword));
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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::hasToken([self::T_OPEN_TAG, self::T_VARIABLE], $token):
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// case is_string($token) && $token === '$':
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case self::hasToken([self::T_OPEN_TAG, self::T_VARIABLE], $prevToken) &&
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self::tokenIs($token, self::T_STRING):
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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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}
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