| 1: | <?php declare(strict_types = 1); |
| 2: | |
| 3: | namespace ApiGen\Info\Expr; |
| 4: | |
| 5: | use ApiGen\Info\ExprInfo; |
| 6: | |
| 7: | use function mb_ord; |
| 8: | use function ord; |
| 9: | use function preg_match; |
| 10: | use function preg_replace_callback; |
| 11: | use function sprintf; |
| 12: | use function strlen; |
| 13: | |
| 14: | |
| 15: | class StringExprInfo implements ExprInfo |
| 16: | { |
| 17: | public function __construct( |
| 18: | public string $value, |
| 19: | public ?string $raw = null, |
| 20: | ) { |
| 21: | } |
| 22: | |
| 23: | |
| 24: | public function toString(): string |
| 25: | { |
| 26: | $utf8 = (bool) preg_match('##u', $this->value); |
| 27: | $pattern = $utf8 ? '#[\p{C}"\'\\\\]#u' : '#[\x00-\x1F\x7F-\xFF"\'\\\\]#'; |
| 28: | $special = ["\r" => '\r', "\n" => '\n', "\t" => '\t', '\\' => '\\\\', '"' => '\\"', '\'' => '\'']; |
| 29: | |
| 30: | $s = preg_replace_callback( |
| 31: | $pattern, |
| 32: | function ($m) use ($special) { |
| 33: | if (isset($special[$m[0]])) { |
| 34: | return $special[$m[0]]; |
| 35: | |
| 36: | } elseif (strlen($m[0]) === 1) { |
| 37: | return sprintf('\x%02X', ord($m[0])); |
| 38: | |
| 39: | } else { |
| 40: | return sprintf('\u{%X}', mb_ord($m[0])); |
| 41: | } |
| 42: | }, |
| 43: | $this->value, |
| 44: | -1, |
| 45: | $count, |
| 46: | ); |
| 47: | |
| 48: | $quote = $count === 0 ? "'" : '"'; |
| 49: | return $quote . $s . $quote; |
| 50: | } |
| 51: | } |
| 52: | |