patches/CommitsMatcher.cpp

   1 /*
   2  * This file is part of the vng project
   3  * Copyright (C) 2008 Thomas Zander <tzander@trolltech.com>
   4  *
   5  * This program is free software: you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation, either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18 #include "CommitsMatcher.h"
  19 #include "Commit.h"
  20 #include "../CommandLineParser.h"
  21
  22 CommitsMatcher::CommitsMatcher()
  23     : useRegExp(false), useRegExpTo(false), useMatcher(false), useMatcherTo(false)
  24 {
  25     CommandLineParser *args = CommandLineParser::instance();
  26
  27     if (args->contains("to-match")) {
  28         m_matcherTo = QStringMatcher(args->optionArgument("to-match"), Qt::CaseInsensitive);
  29         useMatcherTo = true;
  30     }
  31     else if (args->contains("to-patch")) {
  32         m_regExpTo = QRegExp(args->optionArgument("to-patch"),  Qt::CaseInsensitive, QRegExp::RegExp2);
  33         useRegExpTo = true;
  34     }
  35
  36     m_state = BeforeFrom;
  37     if (args->contains("from-match")) {
  38         m_matcher = QStringMatcher(args->optionArgument("from-match"), Qt::CaseInsensitive);
  39         useMatcher = true;
  40     }
  41     else if (args->contains("from-patch")) {
  42         m_regExp = QRegExp(args->optionArgument("from-patch"),  Qt::CaseInsensitive, QRegExp::RegExp2);
  43         useRegExp = true;
  44     }
  45     else {
  46         m_state = MatchingPerItem;
  47         findNormalMatchers();
  48     }
  49 }
  50
  51 CommitsMatcher::ExpectedAction CommitsMatcher::match(const Commit &commit)
  52 {
  53     switch (m_state) {
  54     case AllClear: return ShowPatch;
  55     case BeforeFrom:
  56         if ((useMatcher && m_matcher.indexIn(commit.author()) == -1
  57                 && m_matcher.indexIn(commit.logMessage()) == -1)
  58               || (useRegExp && m_regExp.indexIn(commit.author()) == -1
  59                 && m_regExp.indexIn(commit.logMessage()) == -1))
  60             return SkipPatch;
  61         m_state = MatchingPerItem;
  62         findNormalMatchers();
  63         return match(commit);
  64     case MatchingPerItem:
  65         if ((useMatcher && m_matcher.indexIn(commit.author()) == -1
  66                 && m_matcher.indexIn(commit.logMessage()) == -1)
  67               || (useRegExp && m_regExp.indexIn(commit.author()) == -1
  68                 && m_regExp.indexIn(commit.logMessage()) == -1))
  69             return SkipPatch;
  70         if (!useMatcherTo && !useRegExpTo)
  71             return ShowPatch;
  72     case SearchingForTo:
  73         if ((useMatcherTo && m_matcherTo.indexIn(commit.author()) == -1
  74                 && m_matcherTo.indexIn(commit.logMessage()) == -1)
  75               || (useRegExpTo && m_regExpTo.indexIn(commit.author()) == -1
  76                 && m_regExpTo.indexIn(commit.logMessage()) == -1))
  77             return ShowPatch;
  78         m_state = AfterTo;
  79         return ShowPatch;
  80     default:
  81     case AfterTo:
  82         return Exit;
  83     }
  84 }
  85
  86 void CommitsMatcher::findNormalMatchers()
  87 {
  88     CommandLineParser *args = CommandLineParser::instance();
  89     if (args->contains("match")) {
  90         m_matcher = QStringMatcher(args->optionArgument("match"), Qt::CaseInsensitive);
  91         useMatcher = true;
  92     }
  93     else if (args->contains("patches")) {
  94         m_regExp = QRegExp(args->optionArgument("patches"),  Qt::CaseInsensitive, QRegExp::RegExp2);
  95         useRegExp = true;
  96     }
  97     else if (useMatcherTo || useRegExpTo)
  98         m_state = SearchingForTo;
  99     else
 100         m_state = AllClear;
 101 }