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      1 /*
      2  * Copyright (C) 2011 Apple Inc. All rights reserved.
      3  * Copyright (C) 2012 Google Inc. All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
     15  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     16  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     17  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     18  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     19  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     20  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     21  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     22  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     23  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     24  * THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 var trac = trac || {};
     28 
     29 (function() {
     30 
     31 function findUsingRegExp(string, regexp)
     32 {
     33     var match = regexp.exec(string);
     34     if (match)
     35         return match[1];
     36     return null;
     37 }
     38 
     39 function findReviewer(message)
     40 {
     41     var regexp = /R=([^.]+)/;
     42     return findUsingRegExp(message, regexp);
     43 }
     44 
     45 function findBugID(message)
     46 {
     47     var regexp = /BUG=(\d+)/;
     48     var bugID = parseInt(findUsingRegExp(message, regexp), 10);
     49     return isNaN(bugID) ? 0 : bugID;
     50 
     51 }
     52 
     53 function findRevision(message)
     54 {
     55     var regexp = /git-svn-id: svn:\/\/svn.chromium.org\/blink\/trunk@(\d+)/;
     56     var svnRevision = parseInt(findUsingRegExp(message, regexp), 10);
     57     return isNaN(svnRevision) ? null : svnRevision;
     58 }
     59 
     60 function parseCommitMessage(message) {
     61     var lines = message.split('\n');
     62     var title = lines[1];
     63     var summary = lines.join('\n').trim();
     64     return {
     65         title: title,
     66         summary: summary,
     67         bugID: findBugID(summary),
     68         reviewer: findReviewer(summary),
     69         revision: findRevision(summary),
     70     }
     71 }
     72 
     73 // FIXME: Consider exposing this method for unit testing.
     74 function parseCommitData(responseXML)
     75 {
     76     var commits = Array.prototype.map.call(responseXML.getElementsByTagName('entry'), function(logentry) {
     77         var author = $.trim(logentry.getElementsByTagName('author')[0].textContent);
     78         var time = logentry.getElementsByTagName('published')[0].textContent;
     79 
     80         // FIXME: This isn't a very high-fidelity reproduction of the commit message,
     81         // but it's good enough for our purposes.
     82         var message = parseCommitMessage(logentry.getElementsByTagName('content')[0].textContent);
     83 
     84         return {
     85             'revision': message.revision,
     86             'title': message.title,
     87             'time': time,
     88             'summary': message.title,
     89             'author': author,
     90             'reviewer': message.reviewer,
     91             'bugID': message.bugID,
     92             'message': message.summary,
     93             'revertedRevision': undefined,
     94         };
     95     });
     96     return commits;
     97 }
     98 
     99 trac.changesetURL = function(revision)
    100 {
    101     var queryParameters = {
    102         view: 'rev',
    103         revision: revision,
    104     };
    105     return config.kBlinkRevisionURL + '?' + $.param(queryParameters);
    106 };
    107 
    108 trac.recentCommitData = function(path, limit, callback)
    109 {
    110     net.get('http://blink.lc/blink/atom', function(commitData) {
    111         callback(parseCommitData(commitData));
    112     });
    113 };
    114 
    115 trac.commitDataForRevisionRange = function(path, startRevision, endRevision, callback)
    116 {
    117     var key = [path, startRevision, endRevision].join('\n');
    118     g_cache.get(key, callback);
    119 };
    120 
    121 })();
    122