88 lines
2.5 KiB
JavaScript
88 lines
2.5 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.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.addHTML = function(html) {
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this.callback(null, null, html);
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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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if (patterns[p].enabled != null && patterns[p].enabled == false) {
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continue;
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}
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// PolyGerrit doesn't use hash-based navigation like GWT.
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// Account for this.
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// TODO(andybons): Support Gerrit being served from a base other than /,
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// e.g. https://git.eclipse.org/r/
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if (patterns[p].html) {
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patterns[p].html =
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patterns[p].html.replace(/<a href=\"#\//g, '<a href="/');
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} else if (patterns[p].link) {
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if (patterns[p].link[0] == '#') {
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patterns[p].link = patterns[p].link.substr(1);
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}
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}
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var pattern = new RegExp(patterns[p].match, 'g');
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var match;
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while ((match = pattern.exec(text)) != null) {
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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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var result = match[0].replace(pattern,
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patterns[p].html || patterns[p].link);
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if (patterns[p].html) {
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this.addHTML(result);
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} else if (patterns[p].link) {
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this.addText(match[0], result);
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} else {
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throw Error('linkconfig entry ' + p +
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' doesn’t contain a link or html attribute.');
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}
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}
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}
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this.addText(text);
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};
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