65 lines
2.0 KiB
JavaScript
65 lines
2.0 KiB
JavaScript
import {RegExp, RegExpWrapper, StringWrapper, isPresent} from 'angular2/src/facade/lang';
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import {Map, MapWrapper, List, ListWrapper, StringMap, StringMapWrapper} from 'angular2/src/facade/collection';
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import {PathRecognizer} from './path_recognizer';
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export class RouteRecognizer {
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names:Map<string, PathRecognizer>;
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redirects:Map<string, string>;
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matchers:Map<RegExp, PathRecognizer>;
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constructor() {
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this.names = MapWrapper.create();
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this.matchers = MapWrapper.create();
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this.redirects = MapWrapper.create();
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}
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addRedirect(path:string, target:string) {
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MapWrapper.set(this.redirects, path, target);
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}
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addConfig(path:string, handler:any, alias:string = null) {
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var recognizer = new PathRecognizer(path, handler);
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MapWrapper.set(this.matchers, recognizer.regex, recognizer);
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if (isPresent(alias)) {
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MapWrapper.set(this.names, alias, recognizer);
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}
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}
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recognize(url:string):List<StringMap> {
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var solutions = [];
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MapWrapper.forEach(this.redirects, (target, path) => {
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//TODO: "/" redirect case
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if (StringWrapper.startsWith(url, path)) {
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url = target + StringWrapper.substring(url, path.length);
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}
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});
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MapWrapper.forEach(this.matchers, (pathRecognizer, regex) => {
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var match;
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if (isPresent(match = RegExpWrapper.firstMatch(regex, url))) {
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var solution = StringMapWrapper.create();
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StringMapWrapper.set(solution, 'handler', pathRecognizer.handler);
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StringMapWrapper.set(solution, 'params', pathRecognizer.parseParams(url));
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StringMapWrapper.set(solution, 'matchedUrl', match[0]);
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var unmatchedUrl = StringWrapper.substring(url, match[0].length);
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StringMapWrapper.set(solution, 'unmatchedUrl', unmatchedUrl);
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ListWrapper.push(solutions, solution);
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}
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});
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return solutions;
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}
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hasRoute(name:string) {
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return MapWrapper.contains(this.names, name);
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}
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generate(name:string, params:any) {
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var pathRecognizer = MapWrapper.get(this.names, name);
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return pathRecognizer.generate(params);
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}
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}
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