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node_modules/uri-js/src/schemes/urn.ts 2.17 KB
2a09d1a4   liuqimichale   添加宜春 天水 宣化
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  import { URISchemeHandler, URIComponents, URIOptions } from "../uri";
  import { pctEncChar, SCHEMES } from "../uri";
  
  export interface URNComponents extends URIComponents {
  	nid?:string;
  	nss?:string;
  }
  
  export interface URNOptions extends URIOptions {
  	nid?:string;
  }
  
  const NID$ = "(?:[0-9A-Za-z][0-9A-Za-z\\-]{1,31})";
  const PCT_ENCODED$ = "(?:\\%[0-9A-Fa-f]{2})";
  const TRANS$$ = "[0-9A-Za-z\\(\\)\\+\\,\\-\\.\\:\\=\\@\\;\\$\\_\\!\\*\\'\\/\\?\\#]";
  const NSS$ = "(?:(?:" + PCT_ENCODED$ + "|" + TRANS$$ + ")+)";
  const URN_SCHEME = new RegExp("^urn\\:(" + NID$ + ")$");
  const URN_PATH = new RegExp("^(" + NID$ + ")\\:(" + NSS$ + ")$");
  const URN_PARSE = /^([^\:]+)\:(.*)/;
  const URN_EXCLUDED = /[\x00-\x20\\\"\&\<\>\[\]\^\`\{\|\}\~\x7F-\xFF]/g;
  
  //RFC 2141
  const handler:URISchemeHandler<URNComponents,URNOptions> = {
  	scheme : "urn",
  
  	parse : function (components:URIComponents, options:URNOptions):URNComponents {
  		const matches = components.path && components.path.match(URN_PARSE);
  		let urnComponents = components as URNComponents;
  
  		if (matches) {
  			const scheme = options.scheme || urnComponents.scheme || "urn";
  			const nid = matches[1].toLowerCase();
  			const nss = matches[2];
  			const urnScheme = `${scheme}:${options.nid || nid}`;
  			const schemeHandler = SCHEMES[urnScheme];
  
  			urnComponents.nid = nid;
  			urnComponents.nss = nss;
  			urnComponents.path = undefined;
  
  			if (schemeHandler) {
  				urnComponents = schemeHandler.parse(urnComponents, options) as URNComponents;
  			}
  		} else {
  			urnComponents.error = urnComponents.error || "URN can not be parsed.";
  		}
  
  		return urnComponents;
  	},
  
  	serialize : function (urnComponents:URNComponents, options:URNOptions):URIComponents {
  		const scheme = options.scheme || urnComponents.scheme || "urn";
  		const nid = urnComponents.nid;
  		const urnScheme = `${scheme}:${options.nid || nid}`;
  		const schemeHandler = SCHEMES[urnScheme];
  
  		if (schemeHandler) {
  			urnComponents = schemeHandler.serialize(urnComponents, options) as URNComponents;
  		}
  
  		const uriComponents = urnComponents as URIComponents;
  		const nss = urnComponents.nss;
  		uriComponents.path = `${nid || options.nid}:${nss}`;
  
  		return uriComponents;
  	},
  };
  
  export default handler;