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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;
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