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<?php |
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namespace nebula\route\uri; |
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use Exception; |
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use nebula\route\uri\UriMatcher; |
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use nebula\route\uri\parameter\IntParameter; |
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use nebula\route\uri\parameter\UrlParameter; |
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use nebula\route\uri\parameter\FloatParameter; |
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use nebula\route\uri\parameter\StringParameter; |
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/** |
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* 可执行命令表达式 |
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* |
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*/ |
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class MatchBuilder |
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{ |
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protected static $parameters = [ |
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'float' => FloatParameter::class, |
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'int' => IntParameter::class, |
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'string' => StringParameter::class, |
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'url' => UrlParameter::class, |
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]; |
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public static function build(string $uri):UriMatcher |
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{ |
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// 参数 |
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$parameters = []; |
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// 转义正则 |
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$url=preg_replace('/([\/\.\\\\\+\(\^\)\$\!\<\>\-\?\*])/', '\\\\$1', $uri); |
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// 添加忽略 |
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$url=preg_replace('/(\[)([^\[\]]+)(?(1)\])/', '(?:$2)?', $url); |
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// 添加 * ? 匹配 |
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$url=str_replace(['\*','\?'],['[^/]+?','[^/]'], $url); |
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// 编译页面参数 |
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$url=preg_replace_callback('/\{(\w+)(?:\:([^}]+?))?\}/', function ($match) use (&$parameters) { |
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$name = $match[1]; |
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$type = 'string'; |
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$extra = ''; |
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if (isset($match[2])) { |
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if (strpos($match[2], '=')!==false) { |
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list($type, $extra) = \explode('=', $match[2]); |
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} else { |
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$type = $match[2]; |
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} |
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} |
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if (!\in_array($type, array_keys(MatchBuilder::$parameters))) { |
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throw new Exception(sprintf('unknown parameter type %s', $type), 1); |
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} |
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$parameter = MatchBuilder::$parameters[$type]::build($name, $extra); |
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$parameters[] = $parameter; |
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return $parameter->getMatch(); |
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}, $url); |
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return new UriMatcher($url, $parameters); |
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} |
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} |
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