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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 MatcherHelper |
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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(static::$parameters))) { |
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throw new Exception(sprintf('unknown parameter type %s', $type), 1); |
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} |
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$parameter = static::$parameters[$type]::build($name, $extra); |
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$parameters[] = $parameter; |
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return $parameter->getMatch(); |
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}, $url); |
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return new UriMatcher($uri, $url, $parameters); |
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} |
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public static function buildUri(UriMatcher $matcher, array $parameter, bool $allowQuery = true):string |
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{ |
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$uri = $matcher->getUri(); |
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// 拆分参数 |
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list($mapper, $query) = static::analyseParameter($matcher, $parameter); |
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// for * ? |
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$url=\str_replace(['*','?'],['','-'], $uri); |
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// for ignore value |
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$url=preg_replace_callback('/\[(.+?)\]/', function ($match) use ($matcher, $parameter, $mapper) { |
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if (preg_match('/\{(\w+).+?\}/', $match[1])) { |
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$count = 0; |
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$subUrl= static::replaceParameter($match[1], $matcher, $parameter, $mapper, $count); |
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if ($count > 0 ){ |
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return $subUrl; |
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} |
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} |
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return ''; |
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}, $url); |
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$url= static::replaceParameter($url, $matcher, $parameter, $mapper); |
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if (count($query) && $allowQuery) { |
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return $url.'?'.http_build_query($query, 'v', '&', PHP_QUERY_RFC3986); |
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} |
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return $url; |
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} |
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protected static function analyseParameter(UriMatcher $matcher, array $parameter):array { |
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$query = []; |
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$mapper = []; |
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foreach ($parameter as $key => $value) { |
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$mp = $matcher->getParameter($key); |
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// 多余参数 |
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if (is_null($mp)) { |
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$query[$key] = $value; |
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} |
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$mapper[$key] = $mp; |
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} |
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return [$mapper, $query]; |
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} |
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protected static function replaceParameter(string $input,UriMatcher $matcher,array $parameter, array $mapper, ?int &$count=null) { |
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return preg_replace_callback('/\{(\w+).+?\}/', function ($match) use ($matcher, $parameter, $mapper) { |
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if (\array_key_exists($match[1], $mapper)) { |
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return $mapper[$match[1]]->packValue($parameter[$match[1]]); |
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} |
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if ($default = $matcher->getParameter($match[1])) { |
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return $default->getDefaultValue(); |
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} |
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throw new Exception(sprintf('unknown parameter %s in %s', $match[1], $matcher->getUri()), 1); |
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}, $input, -1, $count); |
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} |
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} |
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dxkite /
suda
