@angular/router-deprecated
Version:
48 lines • 2.31 kB
JavaScript
"use strict";
var core_1 = require('@angular/core');
var lang_1 = require('../../facade/lang');
var route_path_1 = require('./route_path');
function computeNumberOfRegexGroups(regex) {
// cleverly compute regex groups by appending an alternative empty matching
// pattern and match against an empty string, the resulting match still
// receives all the other groups
var test_regex = lang_1.RegExpWrapper.create(regex + '|');
var matcher = lang_1.RegExpWrapper.matcher(test_regex, '');
var match = lang_1.RegExpMatcherWrapper.next(matcher);
return match.length;
}
var RegexRoutePath = (function () {
function RegexRoutePath(_reString, _serializer, _groupNames) {
this._reString = _reString;
this._serializer = _serializer;
this._groupNames = _groupNames;
this.terminal = true;
this.specificity = '2';
this.hash = this._reString;
this._regex = lang_1.RegExpWrapper.create(this._reString);
if (this._groupNames != null) {
var groups = computeNumberOfRegexGroups(this._reString);
if (groups != _groupNames.length) {
throw new core_1.BaseException("Regex group names [" + this._groupNames.join(',') + "] must contain names for each matching group and a name for the complete match as its first element of regex '" + this._reString + "'. " + groups + " group names are expected.");
}
}
}
RegexRoutePath.prototype.matchUrl = function (url) {
var urlPath = url.toString();
var params = {};
var matcher = lang_1.RegExpWrapper.matcher(this._regex, urlPath);
var match = lang_1.RegExpMatcherWrapper.next(matcher);
if (lang_1.isBlank(match)) {
return null;
}
for (var i = 0; i < match.length; i += 1) {
params[this._groupNames != null ? this._groupNames[i] : i.toString()] = match[i];
}
return new route_path_1.MatchedUrl(urlPath, [], params, [], null);
};
RegexRoutePath.prototype.generateUrl = function (params) { return this._serializer(params); };
RegexRoutePath.prototype.toString = function () { return this._reString; };
return RegexRoutePath;
}());
exports.RegexRoutePath = RegexRoutePath;
//# sourceMappingURL=regex_route_path.js.map