%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
declare (strict_types=1);
namespace Rector\Core\PhpParser\Parser;
use RectorPrefix202209\Nette\Utils\FileSystem;
use RectorPrefix202209\Nette\Utils\Strings;
use PhpParser\Node\Expr;
use PhpParser\Node\Expr\BinaryOp\Concat;
use PhpParser\Node\Scalar\Encapsed;
use PhpParser\Node\Scalar\String_;
use PhpParser\Node\Stmt;
use Rector\Core\Contract\PhpParser\NodePrinterInterface;
use Rector\Core\Util\StringUtils;
use Rector\NodeTypeResolver\NodeScopeAndMetadataDecorator;
final class InlineCodeParser
{
/**
* @var string
* @see https://regex101.com/r/dwe4OW/1
*/
private const PRESLASHED_DOLLAR_REGEX = '#\\\\\\$#';
/**
* @var string
* @see https://regex101.com/r/tvwhWq/1
*/
private const CURLY_BRACKET_WRAPPER_REGEX = "#'{(\\\$.*?)}'#";
/**
* @var string
* @see https://regex101.com/r/TBlhoR/1
*/
private const OPEN_PHP_TAG_REGEX = '#^\\<\\?php\\s+#';
/**
* @var string
* @see https://regex101.com/r/TUWwKw/1/
*/
private const ENDING_SEMI_COLON_REGEX = '#;(\\s+)?$#';
/**
* @var string
* @see https://regex101.com/r/8fDjnR/1
*/
private const VARIABLE_IN_SINGLE_QUOTED_REGEX = '#\'(?<variable>\\$.*)\'#U';
/**
* @var string
* @see https://regex101.com/r/1lzQZv/1
*/
private const BACKREFERENCE_NO_QUOTE_REGEX = '#(?<!")(?<backreference>\\\\\\d+)(?!")#';
/**
* @readonly
* @var \Rector\Core\Contract\PhpParser\NodePrinterInterface
*/
private $nodePrinter;
/**
* @readonly
* @var \Rector\NodeTypeResolver\NodeScopeAndMetadataDecorator
*/
private $nodeScopeAndMetadataDecorator;
/**
* @readonly
* @var \Rector\Core\PhpParser\Parser\SimplePhpParser
*/
private $simplePhpParser;
public function __construct(NodePrinterInterface $nodePrinter, NodeScopeAndMetadataDecorator $nodeScopeAndMetadataDecorator, \Rector\Core\PhpParser\Parser\SimplePhpParser $simplePhpParser)
{
$this->nodePrinter = $nodePrinter;
$this->nodeScopeAndMetadataDecorator = $nodeScopeAndMetadataDecorator;
$this->simplePhpParser = $simplePhpParser;
}
/**
* @return Stmt[]
*/
public function parse(string $content) : array
{
// to cover files too
if (\is_file($content)) {
$content = FileSystem::read($content);
}
// wrap code so php-parser can interpret it
$content = StringUtils::isMatch($content, self::OPEN_PHP_TAG_REGEX) ? $content : '<?php ' . $content;
$content = StringUtils::isMatch($content, self::ENDING_SEMI_COLON_REGEX) ? $content : $content . ';';
$stmts = $this->simplePhpParser->parseString($content);
return $this->nodeScopeAndMetadataDecorator->decorateStmtsFromString($stmts);
}
public function stringify(Expr $expr) : string
{
if ($expr instanceof String_) {
if (!StringUtils::isMatch($expr->value, self::BACKREFERENCE_NO_QUOTE_REGEX)) {
return $expr->value;
}
return Strings::replace($expr->value, self::BACKREFERENCE_NO_QUOTE_REGEX, static function (array $match) : string {
return '"\\' . $match['backreference'] . '"';
});
}
if ($expr instanceof Encapsed) {
// remove "
$expr = \trim($this->nodePrinter->print($expr), '""');
// use \$ → $
$expr = Strings::replace($expr, self::PRESLASHED_DOLLAR_REGEX, '$');
// use \'{$...}\' → $...
return Strings::replace($expr, self::CURLY_BRACKET_WRAPPER_REGEX, '$1');
}
if ($expr instanceof Concat) {
$string = $this->stringify($expr->left) . $this->stringify($expr->right);
return Strings::replace($string, self::VARIABLE_IN_SINGLE_QUOTED_REGEX, static function (array $match) {
return $match['variable'];
});
}
return $this->nodePrinter->print($expr);
}
}
Zerion Mini Shell 1.0