tools/qtestlib/updater/main.cpp
changeset 0 1918ee327afb
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the tools applications of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include <QtCore/QtCore>
       
    43 
       
    44 #include <stdio.h>
       
    45 
       
    46 QT_USE_NAMESPACE
       
    47 
       
    48 static void printHelp(char *argv[])
       
    49 {
       
    50     qDebug("Usage: %s [-diff] FILES", argv[0] ? argv[0] : "qtest2to4");
       
    51     qDebug("updates files from QtTestLib 2.x to QTestLib 4.1");
       
    52     qDebug("\noptions:\n    -diff   Don't write any changes, output differences instead.");
       
    53     exit(2);
       
    54 }
       
    55 
       
    56 int main(int argc, char *argv[])
       
    57 {
       
    58     bool printDiff = false;
       
    59     int i = 1;
       
    60 
       
    61     if (argc == 1)
       
    62         printHelp(argv);
       
    63     if (argv[1][0] == '-') {
       
    64         if (qstrcmp(argv[1], "-diff") == 0) {
       
    65             printDiff = true;
       
    66             ++i;
       
    67         } else {
       
    68             qDebug("Unknown option: %s\n", argv[1]);
       
    69             printHelp(argv);
       
    70         }
       
    71     }
       
    72 
       
    73     QRegExp dataHeaderRx(QLatin1String("_data(\\s*)\\((\\s*)QtTestTable\\s*\\&\\s*\\w*\\s*\\)"));
       
    74     QRegExp defElemRx(QLatin1String("\\w+\\.defineElement\\s*\\(\\s*\"(.+)\"\\s*,\\s*\"(.+)\"\\s*\\)"));
       
    75     defElemRx.setMinimal(true);
       
    76     QRegExp addDataRx(QLatin1String("\\*\\w+\\.newData(\\s*)(\\(\\s*\".*\"\\s*\\))"));
       
    77     addDataRx.setMinimal(true);
       
    78     QRegExp nsRx(QLatin1String("namespace(\\s+)QtTest"));
       
    79     QRegExp callRx(QLatin1String("QtTest(\\s*)::"));
       
    80 
       
    81     enum { MacroCount = 11 };
       
    82     static const char *macroNames[MacroCount] = {
       
    83         "VERIFY", "FAIL", "VERIFY2", "COMPARE", "SKIP", "VERIFY_EVENT",
       
    84         "EXPECT_FAIL", "FETCH", "FETCH_GLOBAL", "TEST", "WARN"
       
    85     };
       
    86 
       
    87     for (; i < argc; ++i) {
       
    88         QFile f(QString::fromLocal8Bit(argv[i]));
       
    89         if (!f.open(QIODevice::ReadOnly | QIODevice::Text))
       
    90             qFatal("Unable to open file '%s' for reading: %s", argv[i], qPrintable(f.errorString()));
       
    91 
       
    92         if (printDiff)
       
    93             printf("diff %s\n", argv[i]);
       
    94 
       
    95         QStringList contents;
       
    96         int lineNumber = 0;
       
    97         int changedLines = 0;
       
    98         while (!f.atEnd()) {
       
    99             QString origLine = QString::fromLatin1(f.readLine());
       
   100             QString line = origLine;
       
   101             ++lineNumber;
       
   102 
       
   103             if (dataHeaderRx.indexIn(line) != -1) {
       
   104                 QString ws = dataHeaderRx.cap(1);
       
   105                 line.replace(dataHeaderRx, QString::fromLatin1("_data%1()").arg(ws));
       
   106             }
       
   107             if (defElemRx.indexIn(line) != -1) {
       
   108                 QString type = defElemRx.cap(1);
       
   109                 QString name = defElemRx.cap(2);
       
   110                 if (type.endsWith(QLatin1Char('>')))
       
   111                     type.append(QLatin1Char(' '));
       
   112                 line.replace(defElemRx, QString::fromLatin1("QTest::addColumn<%1>(\"%2\")").arg(
       
   113                                type).arg(name));
       
   114             }
       
   115             if (addDataRx.indexIn(line) != -1) {
       
   116                 QString repl = QLatin1String("QTest::newRow");
       
   117                 repl += addDataRx.cap(1);
       
   118                 repl += addDataRx.cap(2);
       
   119                 line.replace(addDataRx, repl);
       
   120             }
       
   121             if (nsRx.indexIn(line) != -1)
       
   122                 line.replace(nsRx, QString::fromLatin1("namespace%1QTest").arg(nsRx.cap(1)));
       
   123             int pos = 0;
       
   124             while ((pos = callRx.indexIn(line, pos)) != -1) {
       
   125                 line.replace(callRx, QString::fromLatin1("QTest%1::").arg(callRx.cap(1)));
       
   126                 pos += callRx.matchedLength();
       
   127             }
       
   128 
       
   129             line.replace(QLatin1String("QTTEST_MAIN"), QLatin1String("QTEST_MAIN"));
       
   130             line.replace(QLatin1String("QTTEST_APPLESS_MAIN"), QLatin1String("QTEST_APPLESS_MAIN"));
       
   131             line.replace(QLatin1String("QTTEST_NOOP_MAIN"), QLatin1String("QTEST_NOOP_MAIN"));
       
   132             line.replace(QLatin1String("QtTestEventLoop"), QLatin1String("QTestEventLoop"));
       
   133             line.replace(QLatin1String("QtTestEventList"), QLatin1String("QTestEventList"));
       
   134             line.replace(QLatin1String("QtTestAccessibility"), QLatin1String("QTestAccessibility"));
       
   135             line.replace(QLatin1String("QTest::sleep"), QLatin1String("QTest::qSleep"));
       
   136             line.replace(QLatin1String("QTest::wait"), QLatin1String("QTest::qWait"));
       
   137 
       
   138             for (int m = 0; m < MacroCount; ++m) {
       
   139                 QRegExp macroRe(QString::fromLatin1("\\b%1(\\s*\\()").arg(
       
   140                                  QLatin1String(macroNames[m])));
       
   141                 QString newMacroName = QLatin1Char('Q') + QString::fromLatin1(macroNames[m]);
       
   142                 int pos = 0;
       
   143                 while ((pos = macroRe.indexIn(line)) != -1) {
       
   144                     line.replace(macroRe, newMacroName + macroRe.cap(1));
       
   145                     pos += macroRe.matchedLength();
       
   146                 }
       
   147             }
       
   148 
       
   149             if (line != origLine) {
       
   150                 if (printDiff) {
       
   151                     printf("%dc%d\n", lineNumber, lineNumber);
       
   152                     printf("<%s", qPrintable(origLine));
       
   153                     printf("---\n");
       
   154                     printf(">%s", qPrintable(line));
       
   155                 }
       
   156                 ++changedLines;
       
   157             }
       
   158 
       
   159             contents.append(line);
       
   160         }
       
   161         f.close();
       
   162 
       
   163         if (printDiff)
       
   164             continue;
       
   165         qDebug("%s: %d change%s made.", argv[i], changedLines, changedLines == 1 ? "" : "s");
       
   166         if (!changedLines)
       
   167             continue;
       
   168 
       
   169         if (!f.open(QIODevice::WriteOnly | QIODevice::Text))
       
   170             qFatal("Unable to open file '%s' for writing: %s", argv[i], qPrintable(f.errorString()));
       
   171         foreach (QString s, contents)
       
   172             f.write(s.toLatin1());
       
   173         f.close();
       
   174     }
       
   175 
       
   176     return 0;
       
   177 }
       
   178