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<?php |
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namespace Bavix\Router; |
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use Bavix\Exceptions\Runtime; |
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class Path |
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{ |
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/** |
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* default regexp |
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*/ |
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protected const DEFAULT_REGEX = '[\w-]+'; |
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/** |
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* @var string |
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*/ |
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protected $pattern; |
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/** |
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* @var string |
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*/ |
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protected $value; |
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/** |
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* @var array |
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*/ |
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protected $regex; |
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/** |
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* Path constructor. |
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* |
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* @param string $value |
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* @param array $regex |
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*/ |
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public function __construct(string $value, array $regex = []) |
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{ |
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$this->value = $value; |
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$this->regex = $regex; |
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$this->processing(); |
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} |
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/** |
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* @param string $value |
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* |
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* @return string |
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*/ |
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protected function quote(string $value): string |
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{ |
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$path = \preg_quote($value, '()'); |
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$path = \strtr($path, [ |
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'\\(' => '(', |
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'\\)' => ')', |
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'\\<' => '<', |
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'\\>' => '>', |
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]); |
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return \str_replace(')', ')?', $path); |
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} |
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/** |
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* @param string $name |
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* |
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* @return string |
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*/ |
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protected function regexAttribute(string $name): string |
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{ |
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return $this->regex[$name] ?? self::DEFAULT_REGEX; |
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} |
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/** |
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* @return string |
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*/ |
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public function getPattern(): string |
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{ |
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if (!$this->pattern) { |
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$this->pattern = \preg_replace_callback( |
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'~\<(?<key>' . self::DEFAULT_REGEX . '+)\>~', |
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function ($matches) { |
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return '(?<' . $matches['key'] . '>' . |
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$this->regexAttribute($matches['key']) . |
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')'; |
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}, |
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$this->quote($this->value) |
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); |
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} |
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return $this->pattern; |
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} |
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/** |
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* @return string |
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*/ |
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public function getValue(): string |
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{ |
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return $this->value; |
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} |
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/** |
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* @return array |
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*/ |
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public function getRegex(): array |
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{ |
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return $this->regex; |
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} |
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/** |
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* @param self $parent |
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*/ |
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public function hinge(self $parent): void |
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{ |
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$this->pattern = null; |
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$this->value = $parent->value . $this->value; |
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$this->regex = \array_merge( |
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$parent->regex, |
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$this->regex |
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); |
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} |
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/** |
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* processing: |
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* path: '/(<lang:\w+>)' -> '/(<lang>)' |
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* re: [] -> ['lang' => '\w+'] |
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* |
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* if attr exists -> throws |
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*/ |
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4 |
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protected function processing(): void |
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{ |
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$this->value = \preg_replace_callback( |
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'~\<(?<key>' . self::DEFAULT_REGEX . '+):(?<value>.+?)>~', |
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function (array $matches) { |
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if (!empty($this->regex[$matches['key']])) { |
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throw new Runtime(\sprintf( |
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'duplicate in registry key `%s` for path `%s`', |
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$matches['key'], |
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$this->value |
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)); |
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} |
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2 |
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if (!empty($matches['value'])) |
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{ |
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$this->regex[$matches['key']] = $matches['value']; |
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} |
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return '<' . $matches['key'] . '>'; |
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}, |
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$this->value |
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); |
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} |
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151
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} |
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bavix /
router
