5caa69d965
Also has nice side-effect of fixing the current linkify tests. Change-Id: Ief7341a755d5430257fc3768d74909b9a59cdd59
67 lines
1.9 KiB
JavaScript
67 lines
1.9 KiB
JavaScript
// Copyright (C) 2015 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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'use strict';
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function GrLinkTextParser(linkConfig, callback) {
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this.linkConfig = linkConfig;
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this.callback = callback;
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Object.preventExtensions(this);
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}
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GrLinkTextParser.SUB_REGEX = /\$(\d+)/;
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GrLinkTextParser.prototype.addText = function(text, href) {
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if (!text) {
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return;
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}
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this.callback(text, href);
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};
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GrLinkTextParser.prototype.parse = function(text) {
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linkify(text, {
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callback: this.parseChunk.bind(this)
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});
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};
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GrLinkTextParser.prototype.parseChunk = function(text, href) {
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if (href) {
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this.addText(text, href);
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} else {
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this.parseLinks(text, this.linkConfig);
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}
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};
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GrLinkTextParser.prototype.parseLinks = function(text, patterns) {
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for (var p in patterns) {
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var pattern = new RegExp(patterns[p].match);
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var match = text.match(pattern);
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if (!match) { continue; }
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var link = patterns[p].link;
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var subMatch = link.match(GrLinkTextParser.SUB_REGEX);
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link = link.replace(GrLinkTextParser.SUB_REGEX, match[subMatch[1]]);
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// PolyGerrit doesn't use hash-based navigation like GWT. Account for this.
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if (link[0] == '#') {
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link = link.substr(1);
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}
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var before = text.substr(0, match.index);
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this.addText(before);
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text = text.substr(match.index + match[0].length);
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this.addText(match[0], link);
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}
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this.addText(text);
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};
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