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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the class-finder package. |
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* |
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* (c) Gennady Knyazkin <[email protected]> |
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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 Redreams\ClassFinder; |
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/** |
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* Class ClassFinder |
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* |
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* @author Gennady Knyazkin <[email protected]> |
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*/ |
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class ClassFinder |
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{ |
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/** |
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* Find class and return fully qualified name in the source |
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* |
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* @param string $source PHP source code |
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* @return string|null Fully qualified class name if found, null otherwise |
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*/ |
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1 |
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public static function find(string $source): ?string |
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{ |
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1 |
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$class = false; |
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1 |
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$namespace = false; |
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1 |
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$tokens = token_get_all($source); |
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1 |
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if (1 === count($tokens) && T_INLINE_HTML === $tokens[0][0]) { |
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return null; |
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} |
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1 |
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for ($i = 0; isset($tokens[$i]); ++$i) { |
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1 |
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$token = $tokens[$i]; |
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1 |
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if (!isset($token[1])) { |
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continue; |
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} |
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1 |
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if (true === $class && T_STRING === $token[0]) { |
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return $namespace.'\\'.$token[1]; |
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} |
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if (true === $namespace && T_STRING === $token[0]) { |
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$namespace = $token[1]; |
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while (isset($tokens[++$i][1]) && in_array($tokens[$i][0], [T_NS_SEPARATOR, T_STRING], true)) { |
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$namespace .= $tokens[$i][1]; |
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} |
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1 |
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$token = $tokens[$i]; |
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} |
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if (T_CLASS === $token[0]) { |
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// Skip usage of ::class constant and anonymous classes |
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$skipClassToken = false; |
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for ($j = $i - 1; $j > 0; --$j) { |
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if (!isset($tokens[$j][1]) |
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|| !in_array($tokens[$j][0], [T_WHITESPACE, T_DOC_COMMENT, T_COMMENT], true) |
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) { |
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1 |
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break; |
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} |
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1 |
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if (T_DOUBLE_COLON === $tokens[$j][0] || T_NEW === $tokens[$j][0]) { |
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$skipClassToken = true; |
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break; |
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} |
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} |
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1 |
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if (!$skipClassToken) { |
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$class = true; |
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} |
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} |
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1 |
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if (T_NAMESPACE === $token[0]) { |
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1 |
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$namespace = true; |
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} |
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} |
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1 |
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return null; |
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} |
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} |
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redreams /
class-finder
