121 lines
3.2 KiB
PHP
121 lines
3.2 KiB
PHP
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<?php
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namespace Objects\Router;
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use Api\Parameter\Parameter;
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abstract class AbstractRoute {
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private string $pattern;
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private bool $exact;
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public function __construct(string $pattern, bool $exact = true) {
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$this->pattern = $pattern;
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$this->exact = $exact;
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}
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private static function parseParamType(?string $type): ?int {
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if ($type === null || trim($type) === "") {
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return null;
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}
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$type = strtolower(trim($type));
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if (in_array($type, ["int", "integer"])) {
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return Parameter::TYPE_INT;
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} else if (in_array($type, ["float", "double"])) {
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return Parameter::TYPE_FLOAT;
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} else if (in_array($type, ["bool", "boolean"])) {
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return Parameter::TYPE_BOOLEAN;
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} else {
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return Parameter::TYPE_STRING;
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}
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}
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public function getPattern(): string {
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return $this->pattern;
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}
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public abstract function call(Router $router, array $params): string;
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protected function getArgs(): array {
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return [$this->pattern, $this->exact];
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}
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public function generateCache(): string {
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$reflection = new \ReflectionClass($this);
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$className = $reflection->getName();
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$args = implode(", ", array_map(function ($arg) {
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return var_export($arg, true);
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}, $this->getArgs()));
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return "new \\$className($args)";
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}
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public function match(string $url) {
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# /test/{abc}/{param:?}/{xyz:int}/{aaa:int?}
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$patternParts = explode("/", Router::cleanURL($this->pattern, false));
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$countPattern = count($patternParts);
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$patternOffset = 0;
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# /test/param/optional/123
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$urlParts = explode("/", $url);
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$countUrl = count($urlParts);
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$urlOffset = 0;
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$params = [];
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for (; $patternOffset < $countPattern; $patternOffset++) {
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if (!preg_match("/^{.*}$/", $patternParts[$patternOffset])) {
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// not a parameter? check if it matches
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if ($urlOffset >= $countUrl || $urlParts[$urlOffset] !== $patternParts[$patternOffset]) {
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return false;
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}
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$urlOffset++;
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} else {
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// we got a parameter here
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$paramDefinition = explode(":", substr($patternParts[$patternOffset], 1, -1));
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$paramName = array_shift($paramDefinition);
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$paramType = array_shift($paramDefinition);
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$paramOptional = endsWith($paramType, "?");
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if ($paramOptional) {
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$paramType = substr($paramType, 0, -1);
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}
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$paramType = self::parseParamType($paramType);
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if ($urlOffset >= $countUrl || $urlParts[$urlOffset] === "") {
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if ($paramOptional) {
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$param = $urlParts[$urlOffset] ?? null;
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if ($param !== null && $paramType !== null && Parameter::parseType($param) !== $paramType) {
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return false;
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}
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$params[$paramName] = $param;
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if ($urlOffset < $countUrl) {
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$urlOffset++;
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}
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} else {
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return false;
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}
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} else {
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$param = $urlParts[$urlOffset];
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if ($paramType !== null && Parameter::parseType($param) !== $paramType) {
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return false;
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}
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$params[$paramName] = $param;
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$urlOffset++;
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}
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}
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}
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if ($urlOffset !== $countUrl && $this->exact) {
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return false;
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}
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return $params;
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}
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}
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