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<?php
declare (strict_types=1);
namespace Rector\Core\PhpParser\Parser;
use RectorPrefix20211231\Nette\Utils\Strings;
use PhpParser\Node\Expr;
use PhpParser\Node\Expr\BinaryOp\Concat;
use PhpParser\Node\Expr\PropertyFetch;
use PhpParser\Node\Expr\StaticPropertyFetch;
use PhpParser\Node\Expr\Variable;
use PhpParser\Node\Scalar\Encapsed;
use PhpParser\Node\Scalar\String_;
use PhpParser\Node\Stmt;
use PhpParser\Parser;
use Rector\Core\Exception\ShouldNotHappenException;
use Rector\Core\PhpParser\Printer\BetterStandardPrinter;
use Rector\Core\Util\StringUtils;
use Rector\NodeTypeResolver\NodeScopeAndMetadataDecorator;
use RectorPrefix20211231\Symplify\SmartFileSystem\SmartFileSystem;
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+)?$#';
/**
* @readonly
* @var \Rector\Core\PhpParser\Printer\BetterStandardPrinter
*/
private $betterStandardPrinter;
/**
* @readonly
* @var \Rector\NodeTypeResolver\NodeScopeAndMetadataDecorator
*/
private $nodeScopeAndMetadataDecorator;
/**
* @readonly
* @var \Rector\Core\PhpParser\Parser\SimplePhpParser
*/
private $simplePhpParser;
/**
* @readonly
* @var \Symplify\SmartFileSystem\SmartFileSystem
*/
private $smartFileSystem;
public function __construct(\Rector\Core\PhpParser\Printer\BetterStandardPrinter $betterStandardPrinter, \Rector\NodeTypeResolver\NodeScopeAndMetadataDecorator $nodeScopeAndMetadataDecorator, \Rector\Core\PhpParser\Parser\SimplePhpParser $simplePhpParser, \RectorPrefix20211231\Symplify\SmartFileSystem\SmartFileSystem $smartFileSystem)
{
$this->betterStandardPrinter = $betterStandardPrinter;
$this->nodeScopeAndMetadataDecorator = $nodeScopeAndMetadataDecorator;
$this->simplePhpParser = $simplePhpParser;
$this->smartFileSystem = $smartFileSystem;
}
/**
* @return Stmt[]
*/
public function parse(string $content) : array
{
// to cover files too
if (\is_file($content)) {
$content = $this->smartFileSystem->readFile($content);
}
// wrap code so php-parser can interpret it
$content = \Rector\Core\Util\StringUtils::isMatch($content, self::OPEN_PHP_TAG_REGEX) ? $content : '<?php ' . $content;
$content = \Rector\Core\Util\StringUtils::isMatch($content, self::ENDING_SEMI_COLON_REGEX) ? $content : $content . ';';
$stmts = $this->simplePhpParser->parseString($content);
return $this->nodeScopeAndMetadataDecorator->decorateStmtsFromString($stmts);
}
public function stringify(\PhpParser\Node\Expr $expr) : string
{
if ($expr instanceof \PhpParser\Node\Scalar\String_) {
return $expr->value;
}
if ($expr instanceof \PhpParser\Node\Scalar\Encapsed) {
// remove "
$expr = \trim($this->betterStandardPrinter->print($expr), '""');
// use \$ → $
$expr = \RectorPrefix20211231\Nette\Utils\Strings::replace($expr, self::PRESLASHED_DOLLAR_REGEX, '$');
// use \'{$...}\' → $...
return \RectorPrefix20211231\Nette\Utils\Strings::replace($expr, self::CURLY_BRACKET_WRAPPER_REGEX, '$1');
}
if ($expr instanceof \PhpParser\Node\Expr\BinaryOp\Concat) {
return $this->stringify($expr->left) . $this->stringify($expr->right);
}
if ($expr instanceof \PhpParser\Node\Expr\Variable || $expr instanceof \PhpParser\Node\Expr\PropertyFetch || $expr instanceof \PhpParser\Node\Expr\StaticPropertyFetch) {
return $this->betterStandardPrinter->print($expr);
}
throw new \Rector\Core\Exception\ShouldNotHappenException(\get_class($expr) . ' ' . __METHOD__);
}
}
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