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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Strings; |
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use function implode; |
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use function preg_match; |
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use function preg_quote; |
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use function preg_replace; |
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use function strtr; |
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/** |
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* A wildcard pattern to match strings against. |
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* |
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* - `\` escapes other special characters if usage of escape character is not turned off. |
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* - `*` matches any string including the empty string except it has a delimiter (`/` and `\` by default). |
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* - `**` matches any string including the empty string and delimiters. |
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* - `?` matches any single character. |
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* - `[seq]` matches any character in seq. |
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* - `[a-z]` matches any character from a to z. |
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* - `[!seq]` matches any character not in seq. |
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* - `[[:alnum:]]` matches POSIX style character classes, |
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* see {@see https://www.php.net/manual/en/regexp.reference.character-classes.php}. |
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*/ |
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final class WildcardPattern |
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{ |
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private bool $ignoreCase = false; |
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private ?string $patternPrepared = null; |
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/** |
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* @param string $pattern The shell wildcard pattern to match against. |
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* @param string[] $delimiters Delimiters to consider for "*" (`/` and `\` by default). |
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*/ |
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public function __construct( |
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private string $pattern, |
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private array $delimiters = ['\\\\', '/'], |
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) { |
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} |
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/** |
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* Checks if the passed string would match the given shell wildcard pattern. |
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* |
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* @param string $string The tested string. |
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* |
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* @return bool Whether the string matches pattern or not. |
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*/ |
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public function match(string $string): bool |
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{ |
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if ($this->pattern === '**') { |
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return true; |
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} |
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return preg_match($this->getPatternPrepared(), $string) === 1; |
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} |
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/** |
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* Make pattern case insensitive. |
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*/ |
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public function ignoreCase(bool $flag = true): self |
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{ |
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$new = clone $this; |
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$new->patternPrepared = null; |
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$new->ignoreCase = $flag; |
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return $new; |
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} |
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/** |
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* Returns whether the pattern contains a dynamic part i.e. |
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* has unescaped "*", "{", "?", or "[" character. |
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* |
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* @param string $pattern The pattern to check. |
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* |
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* @return bool Whether the pattern contains a dynamic part. |
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*/ |
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public static function isDynamic(string $pattern): bool |
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{ |
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$pattern = preg_replace('/\\\\./', '', $pattern); |
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return preg_match('/[*{?\[]/', $pattern) === 1; |
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} |
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/** |
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* Escapes pattern characters in a string. |
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* |
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* @param string $string Source string. |
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* |
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* @return string String with pattern characters escaped. |
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*/ |
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public static function quote(string $string): string |
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{ |
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return preg_replace('#([\\\\?*\\[\\]])#', '\\\\$1', $string); |
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} |
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private function getPatternPrepared(): string |
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{ |
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if ($this->patternPrepared === null) { |
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$replacements = [ |
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'\*\*' => '.*', |
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'\\\\\\\\' => '\\\\', |
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'\\\\\\*' => '[*]', |
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'\\\\\\?' => '[?]', |
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'\\\\\\[' => '[\[]', |
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'\\\\\\]' => '[\]]', |
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]; |
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if ($this->delimiters === []) { |
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$replacements += [ |
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'\*' => '.*', |
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'\?' => '?', |
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]; |
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} else { |
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$notDelimiters = '[^' . preg_quote(implode('', $this->delimiters), '#') . ']'; |
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$replacements += [ |
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'\*' => "$notDelimiters*", |
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'\?' => $notDelimiters, |
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]; |
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} |
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$replacements += [ |
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'\[\!' => '[^', |
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'\[' => '[', |
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'\]' => ']', |
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'\-' => '-', |
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]; |
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$pattern = strtr(preg_quote($this->pattern, '#'), $replacements); |
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$pattern = '#^' . $pattern . '$#us'; |
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if ($this->ignoreCase) { |
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$pattern .= 'i'; |
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} |
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$this->patternPrepared = $pattern; |
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} |
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return $this->patternPrepared; |
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} |
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} |
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yiisoft /
strings
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