79 lines
2.8 KiB
PHP
79 lines
2.8 KiB
PHP
<?php declare(strict_types = 1);
|
|
|
|
namespace PHPStan\PhpDocParser\Ast\ConstExpr;
|
|
|
|
use PHPStan\PhpDocParser\Ast\NodeAttributes;
|
|
use function addcslashes;
|
|
use function assert;
|
|
use function dechex;
|
|
use function ord;
|
|
use function preg_replace_callback;
|
|
use function sprintf;
|
|
use function str_pad;
|
|
use function strlen;
|
|
use const STR_PAD_LEFT;
|
|
|
|
class QuoteAwareConstExprStringNode extends ConstExprStringNode implements ConstExprNode
|
|
{
|
|
|
|
public const SINGLE_QUOTED = 1;
|
|
public const DOUBLE_QUOTED = 2;
|
|
|
|
use NodeAttributes;
|
|
|
|
/** @var self::SINGLE_QUOTED|self::DOUBLE_QUOTED */
|
|
public $quoteType;
|
|
|
|
/**
|
|
* @param self::SINGLE_QUOTED|self::DOUBLE_QUOTED $quoteType
|
|
*/
|
|
public function __construct(string $value, int $quoteType)
|
|
{
|
|
parent::__construct($value);
|
|
$this->quoteType = $quoteType;
|
|
}
|
|
|
|
|
|
public function __toString(): string
|
|
{
|
|
if ($this->quoteType === self::SINGLE_QUOTED) {
|
|
// from https://github.com/nikic/PHP-Parser/blob/0ffddce52d816f72d0efc4d9b02e276d3309ef01/lib/PhpParser/PrettyPrinter/Standard.php#L1007
|
|
return sprintf("'%s'", addcslashes($this->value, '\'\\'));
|
|
}
|
|
|
|
// from https://github.com/nikic/PHP-Parser/blob/0ffddce52d816f72d0efc4d9b02e276d3309ef01/lib/PhpParser/PrettyPrinter/Standard.php#L1010-L1040
|
|
return sprintf('"%s"', $this->escapeDoubleQuotedString());
|
|
}
|
|
|
|
private function escapeDoubleQuotedString(): string
|
|
{
|
|
$quote = '"';
|
|
$escaped = addcslashes($this->value, "\n\r\t\f\v$" . $quote . '\\');
|
|
|
|
// Escape control characters and non-UTF-8 characters.
|
|
// Regex based on https://stackoverflow.com/a/11709412/385378.
|
|
$regex = '/(
|
|
[\x00-\x08\x0E-\x1F] # Control characters
|
|
| [\xC0-\xC1] # Invalid UTF-8 Bytes
|
|
| [\xF5-\xFF] # Invalid UTF-8 Bytes
|
|
| \xE0(?=[\x80-\x9F]) # Overlong encoding of prior code point
|
|
| \xF0(?=[\x80-\x8F]) # Overlong encoding of prior code point
|
|
| [\xC2-\xDF](?![\x80-\xBF]) # Invalid UTF-8 Sequence Start
|
|
| [\xE0-\xEF](?![\x80-\xBF]{2}) # Invalid UTF-8 Sequence Start
|
|
| [\xF0-\xF4](?![\x80-\xBF]{3}) # Invalid UTF-8 Sequence Start
|
|
| (?<=[\x00-\x7F\xF5-\xFF])[\x80-\xBF] # Invalid UTF-8 Sequence Middle
|
|
| (?<![\xC2-\xDF]|[\xE0-\xEF]|[\xE0-\xEF][\x80-\xBF]|[\xF0-\xF4]|[\xF0-\xF4][\x80-\xBF]|[\xF0-\xF4][\x80-\xBF]{2})[\x80-\xBF] # Overlong Sequence
|
|
| (?<=[\xE0-\xEF])[\x80-\xBF](?![\x80-\xBF]) # Short 3 byte sequence
|
|
| (?<=[\xF0-\xF4])[\x80-\xBF](?![\x80-\xBF]{2}) # Short 4 byte sequence
|
|
| (?<=[\xF0-\xF4][\x80-\xBF])[\x80-\xBF](?![\x80-\xBF]) # Short 4 byte sequence (2)
|
|
)/x';
|
|
return preg_replace_callback($regex, static function ($matches) {
|
|
assert(strlen($matches[0]) === 1);
|
|
$hex = dechex(ord($matches[0]));
|
|
|
|
return '\\x' . str_pad($hex, 2, '0', STR_PAD_LEFT);
|
|
}, $escaped);
|
|
}
|
|
|
|
}
|