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1: <?php declare(strict_types = 1);
2:
3: namespace PHPStan\PhpDocParser\Ast\ConstExpr;
4:
5: use PHPStan\PhpDocParser\Ast\NodeAttributes;
6: use function addcslashes;
7: use function assert;
8: use function dechex;
9: use function ord;
10: use function preg_replace_callback;
11: use function sprintf;
12: use function str_pad;
13: use function strlen;
14: use const STR_PAD_LEFT;
15:
16: class QuoteAwareConstExprStringNode extends ConstExprStringNode implements ConstExprNode
17: {
18:
19: public const SINGLE_QUOTED = 1;
20: public const DOUBLE_QUOTED = 2;
21:
22: use NodeAttributes;
23:
24: /** @var self::SINGLE_QUOTED|self::DOUBLE_QUOTED */
25: public $quoteType;
26:
27: /**
28: * @param self::SINGLE_QUOTED|self::DOUBLE_QUOTED $quoteType
29: */
30: public function __construct(string $value, int $quoteType)
31: {
32: parent::__construct($value);
33: $this->quoteType = $quoteType;
34: }
35:
36:
37: public function __toString(): string
38: {
39: if ($this->quoteType === self::SINGLE_QUOTED) {
40: // from https://github.com/nikic/PHP-Parser/blob/0ffddce52d816f72d0efc4d9b02e276d3309ef01/lib/PhpParser/PrettyPrinter/Standard.php#L1007
41: return sprintf("'%s'", addcslashes($this->value, '\'\\'));
42: }
43:
44: // from https://github.com/nikic/PHP-Parser/blob/0ffddce52d816f72d0efc4d9b02e276d3309ef01/lib/PhpParser/PrettyPrinter/Standard.php#L1010-L1040
45: return sprintf('"%s"', $this->escapeDoubleQuotedString());
46: }
47:
48: private function escapeDoubleQuotedString(): string
49: {
50: $quote = '"';
51: $escaped = addcslashes($this->value, "\n\r\t\f\v$" . $quote . '\\');
52:
53: // Escape control characters and non-UTF-8 characters.
54: // Regex based on https://stackoverflow.com/a/11709412/385378.
55: $regex = '/(
56: [\x00-\x08\x0E-\x1F] # Control characters
57: | [\xC0-\xC1] # Invalid UTF-8 Bytes
58: | [\xF5-\xFF] # Invalid UTF-8 Bytes
59: | \xE0(?=[\x80-\x9F]) # Overlong encoding of prior code point
60: | \xF0(?=[\x80-\x8F]) # Overlong encoding of prior code point
61: | [\xC2-\xDF](?![\x80-\xBF]) # Invalid UTF-8 Sequence Start
62: | [\xE0-\xEF](?![\x80-\xBF]{2}) # Invalid UTF-8 Sequence Start
63: | [\xF0-\xF4](?![\x80-\xBF]{3}) # Invalid UTF-8 Sequence Start
64: | (?<=[\x00-\x7F\xF5-\xFF])[\x80-\xBF] # Invalid UTF-8 Sequence Middle
65: | (?<![\xC2-\xDF]|[\xE0-\xEF]|[\xE0-\xEF][\x80-\xBF]|[\xF0-\xF4]|[\xF0-\xF4][\x80-\xBF]|[\xF0-\xF4][\x80-\xBF]{2})[\x80-\xBF] # Overlong Sequence
66: | (?<=[\xE0-\xEF])[\x80-\xBF](?![\x80-\xBF]) # Short 3 byte sequence
67: | (?<=[\xF0-\xF4])[\x80-\xBF](?![\x80-\xBF]{2}) # Short 4 byte sequence
68: | (?<=[\xF0-\xF4][\x80-\xBF])[\x80-\xBF](?![\x80-\xBF]) # Short 4 byte sequence (2)
69: )/x';
70: return preg_replace_callback($regex, static function ($matches) {
71: assert(strlen($matches[0]) === 1);
72: $hex = dechex(ord($matches[0]));
73:
74: return '\\x' . str_pad($hex, 2, '0', STR_PAD_LEFT);
75: }, $escaped);
76: }
77:
78: }
79:
PHPStan API documentation generated by ApiGen dev-master