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