util/tools/linguist/lrelease/main.cpp
changeset 7 f7bc934e204c
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3:41300fa6a67c 7:f7bc934e204c
       
     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2010 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 Qt Linguist 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 "translator.h"
       
    43 #include "profileevaluator.h"
       
    44 
       
    45 #ifndef QT_BOOTSTRAPPED
       
    46 #include <QtCore/QCoreApplication>
       
    47 #include <QtCore/QTranslator>
       
    48 #endif
       
    49 #include <QtCore/QDebug>
       
    50 #include <QtCore/QDir>
       
    51 #include <QtCore/QFile>
       
    52 #include <QtCore/QFileInfo>
       
    53 #include <QtCore/QRegExp>
       
    54 #include <QtCore/QString>
       
    55 #include <QtCore/QStringList>
       
    56 #include <QtCore/QTextStream>
       
    57 
       
    58 QT_USE_NAMESPACE
       
    59 
       
    60 #ifdef QT_BOOTSTRAPPED
       
    61 static void initBinaryDir(
       
    62 #ifndef Q_OS_WIN
       
    63         const char *argv0
       
    64 #endif
       
    65         );
       
    66 #endif
       
    67 
       
    68 static void printOut(const QString & out)
       
    69 {
       
    70     QTextStream stream(stdout);
       
    71     stream << out;
       
    72 }
       
    73 
       
    74 static void printUsage()
       
    75 {
       
    76     printOut(QCoreApplication::tr(
       
    77         "Usage:\n"
       
    78         "    lrelease [options] project-file\n"
       
    79         "    lrelease [options] ts-files [-qm qm-file]\n\n"
       
    80         "lrelease is part of Qt's Linguist tool chain. It can be used as a\n"
       
    81         "stand-alone tool to convert XML-based translations files in the TS\n"
       
    82         "format into the 'compiled' QM format used by QTranslator objects.\n\n"
       
    83         "Options:\n"
       
    84         "    -help  Display this information and exit\n"
       
    85         "    -idbased\n"
       
    86         "           Use IDs instead of source strings for message keying\n"
       
    87         "    -compress\n"
       
    88         "           Compress the QM files\n"
       
    89         "    -nounfinished\n"
       
    90         "           Do not include unfinished translations\n"
       
    91         "    -removeidentical\n"
       
    92         "           If the translated text is the same as\n"
       
    93         "           the source text, do not include the message\n"
       
    94         "    -markuntranslated <prefix>\n"
       
    95         "           If a message has no real translation, use the source text\n"
       
    96         "           prefixed with the given string instead\n"
       
    97         "    -silent\n"
       
    98         "           Do not explain what is being done\n"
       
    99         "    -version\n"
       
   100         "           Display the version of lrelease and exit\n"
       
   101     ));
       
   102 }
       
   103 
       
   104 static bool loadTsFile(Translator &tor, const QString &tsFileName, bool /* verbose */)
       
   105 {
       
   106     ConversionData cd;
       
   107     bool ok = tor.load(tsFileName, cd, QLatin1String("auto"));
       
   108     if (!ok) {
       
   109         qWarning("lrelease error: %s\n", qPrintable(cd.error()));
       
   110     } else {
       
   111         if (!cd.errors().isEmpty())
       
   112             printOut(cd.error());
       
   113     }
       
   114     cd.clearErrors();
       
   115     return ok;
       
   116 }
       
   117 
       
   118 static bool releaseTranslator(Translator &tor, const QString &qmFileName,
       
   119     ConversionData &cd, bool removeIdentical)
       
   120 {
       
   121     tor.reportDuplicates(tor.resolveDuplicates(), qmFileName, cd.isVerbose());
       
   122 
       
   123     if (cd.isVerbose())
       
   124         printOut(QCoreApplication::tr( "Updating '%1'...\n").arg(qmFileName));
       
   125     if (removeIdentical) {
       
   126         if (cd.isVerbose())
       
   127             printOut(QCoreApplication::tr( "Removing translations equal to source text in '%1'...\n").arg(qmFileName));
       
   128         tor.stripIdenticalSourceTranslations();
       
   129     }
       
   130 
       
   131     QFile file(qmFileName);
       
   132     if (!file.open(QIODevice::WriteOnly)) {
       
   133         qWarning("lrelease error: cannot create '%s': %s\n",
       
   134                  qPrintable(qmFileName), qPrintable(file.errorString()));
       
   135         return false;
       
   136     }
       
   137 
       
   138     tor.normalizeTranslations(cd);
       
   139     bool ok = tor.release(&file, cd);
       
   140     file.close();
       
   141 
       
   142     if (!ok) {
       
   143         qWarning("lrelease error: cannot save '%s': %s\n",
       
   144                  qPrintable(qmFileName), qPrintable(cd.error()));
       
   145     } else if (!cd.errors().isEmpty()) {
       
   146         printOut(cd.error());
       
   147     }
       
   148     cd.clearErrors();
       
   149     return ok;
       
   150 }
       
   151 
       
   152 static bool releaseTsFile(const QString& tsFileName,
       
   153     ConversionData &cd, bool removeIdentical)
       
   154 {
       
   155     Translator tor;
       
   156     if (!loadTsFile(tor, tsFileName, cd.isVerbose()))
       
   157         return false;
       
   158 
       
   159     QString qmFileName = tsFileName;
       
   160     foreach (const Translator::FileFormat &fmt, Translator::registeredFileFormats()) {
       
   161         if (qmFileName.endsWith(QLatin1Char('.') + fmt.extension)) {
       
   162             qmFileName.chop(fmt.extension.length() + 1);
       
   163             break;
       
   164         }
       
   165     }
       
   166     qmFileName += QLatin1String(".qm");
       
   167 
       
   168     return releaseTranslator(tor, qmFileName, cd, removeIdentical);
       
   169 }
       
   170 
       
   171 int main(int argc, char **argv)
       
   172 {
       
   173 #ifdef QT_BOOTSTRAPPED
       
   174     initBinaryDir(
       
   175 #ifndef Q_OS_WIN
       
   176             argv[0]
       
   177 #endif
       
   178             );
       
   179 #else
       
   180     QCoreApplication app(argc, argv);
       
   181     QTranslator translator;
       
   182     if (translator.load(QLatin1String("lrelease_") + QLocale::system().name()))
       
   183         app.installTranslator(&translator);
       
   184 #endif
       
   185 
       
   186     ConversionData cd;
       
   187     cd.m_verbose = true; // the default is true starting with Qt 4.2
       
   188     bool removeIdentical = false;
       
   189     Translator tor;
       
   190     QStringList inputFiles;
       
   191     QString outputFile;
       
   192 
       
   193     for (int i = 1; i < argc; ++i) {
       
   194         if (!strcmp(argv[i], "-compress")) {
       
   195             cd.m_saveMode = SaveStripped;
       
   196             continue;
       
   197         } else if (!strcmp(argv[i], "-idbased")) {
       
   198             cd.m_idBased = true;
       
   199             continue;
       
   200         } else if (!strcmp(argv[i], "-nocompress")) {
       
   201             cd.m_saveMode = SaveEverything;
       
   202             continue;
       
   203         } else if (!strcmp(argv[i], "-removeidentical")) {
       
   204             removeIdentical = true;
       
   205             continue;
       
   206         } else if (!strcmp(argv[i], "-nounfinished")) {
       
   207             cd.m_ignoreUnfinished = true;
       
   208             continue;
       
   209         } else if (!strcmp(argv[i], "-markuntranslated")) {
       
   210             if (i == argc - 1) {
       
   211                 printUsage();
       
   212                 return 1;
       
   213             }
       
   214             cd.m_unTrPrefix = QString::fromLocal8Bit(argv[++i]);
       
   215         } else if (!strcmp(argv[i], "-silent")) {
       
   216             cd.m_verbose = false;
       
   217             continue;
       
   218         } else if (!strcmp(argv[i], "-verbose")) {
       
   219             cd.m_verbose = true;
       
   220             continue;
       
   221         } else if (!strcmp(argv[i], "-version")) {
       
   222             printOut(QCoreApplication::tr( "lrelease version %1\n").arg(QLatin1String(QT_VERSION_STR)) );
       
   223             return 0;
       
   224         } else if (!strcmp(argv[i], "-qm")) {
       
   225             if (i == argc - 1) {
       
   226                 printUsage();
       
   227                 return 1;
       
   228             }
       
   229             outputFile = QString::fromLocal8Bit(argv[++i]);
       
   230         } else if (!strcmp(argv[i], "-help")) {
       
   231             printUsage();
       
   232             return 0;
       
   233         } else if (argv[i][0] == '-') {
       
   234             printUsage();
       
   235             return 1;
       
   236         } else {
       
   237             inputFiles << QString::fromLocal8Bit(argv[i]);
       
   238         }
       
   239     }
       
   240 
       
   241     if (inputFiles.isEmpty()) {
       
   242         printUsage();
       
   243         return 1;
       
   244     }
       
   245 
       
   246     foreach (const QString &inputFile, inputFiles) {
       
   247         if (inputFile.endsWith(QLatin1String(".pro"), Qt::CaseInsensitive)
       
   248             || inputFile.endsWith(QLatin1String(".pri"), Qt::CaseInsensitive)) {
       
   249             QFileInfo fi(inputFile);
       
   250             ProFile pro(fi.absoluteFilePath());
       
   251 
       
   252             ProFileEvaluator visitor;
       
   253             visitor.setVerbose(cd.isVerbose());
       
   254 
       
   255             if (!visitor.queryProFile(&pro)) {
       
   256                 qWarning("lrelease error: cannot read project file '%s'.", qPrintable(inputFile));
       
   257                 continue;
       
   258             }
       
   259             if (!visitor.accept(&pro)) {
       
   260                 qWarning("lrelease error: cannot process project file '%s'.", qPrintable(inputFile));
       
   261                 continue;
       
   262             }
       
   263 
       
   264             QStringList translations = visitor.values(QLatin1String("TRANSLATIONS"));
       
   265             if (translations.isEmpty()) {
       
   266                 qWarning("lrelease warning: Met no 'TRANSLATIONS' entry in"
       
   267                          " project file '%s'\n",
       
   268                          qPrintable(inputFile));
       
   269             } else {
       
   270                 QDir proDir(fi.absolutePath());
       
   271                 foreach (const QString &trans, translations)
       
   272                     if (!releaseTsFile(QFileInfo(proDir, trans).filePath(), cd, removeIdentical))
       
   273                         return 1;
       
   274             }
       
   275         } else {
       
   276             if (outputFile.isEmpty()) {
       
   277                 if (!releaseTsFile(inputFile, cd, removeIdentical))
       
   278                     return 1;
       
   279             } else {
       
   280                 if (!loadTsFile(tor, inputFile, cd.isVerbose()))
       
   281                     return 1;
       
   282             }
       
   283         }
       
   284     }
       
   285 
       
   286     if (!outputFile.isEmpty())
       
   287         return releaseTranslator(tor, outputFile, cd, removeIdentical) ? 0 : 1;
       
   288 
       
   289     return 0;
       
   290 }
       
   291 
       
   292 #ifdef QT_BOOTSTRAPPED
       
   293 
       
   294 #ifdef Q_OS_WIN
       
   295 # include <windows.h>
       
   296 #endif
       
   297 
       
   298 static QString binDir;
       
   299 
       
   300 static void initBinaryDir(
       
   301 #ifndef Q_OS_WIN
       
   302         const char *_argv0
       
   303 #endif
       
   304         )
       
   305 {
       
   306 #ifdef Q_OS_WIN
       
   307     wchar_t module_name[MAX_PATH];
       
   308     GetModuleFileName(0, module_name, MAX_PATH);
       
   309     QFileInfo filePath = QString::fromWCharArray(module_name);
       
   310     binDir = filePath.filePath();
       
   311 #else
       
   312     QString argv0 = QFile::decodeName(QByteArray(_argv0));
       
   313     QString absPath;
       
   314 
       
   315     if (!argv0.isEmpty() && argv0.at(0) == QLatin1Char('/')) {
       
   316         /*
       
   317           If argv0 starts with a slash, it is already an absolute
       
   318           file path.
       
   319         */
       
   320         absPath = argv0;
       
   321     } else if (argv0.contains(QLatin1Char('/'))) {
       
   322         /*
       
   323           If argv0 contains one or more slashes, it is a file path
       
   324           relative to the current directory.
       
   325         */
       
   326         absPath = QDir::current().absoluteFilePath(argv0);
       
   327     } else {
       
   328         /*
       
   329           Otherwise, the file path has to be determined using the
       
   330           PATH environment variable.
       
   331         */
       
   332         QByteArray pEnv = qgetenv("PATH");
       
   333         QDir currentDir = QDir::current();
       
   334         QStringList paths = QString::fromLocal8Bit(pEnv.constData()).split(QLatin1String(":"));
       
   335         for (QStringList::const_iterator p = paths.constBegin(); p != paths.constEnd(); ++p) {
       
   336             if ((*p).isEmpty())
       
   337                 continue;
       
   338             QString candidate = currentDir.absoluteFilePath(*p + QLatin1Char('/') + argv0);
       
   339             QFileInfo candidate_fi(candidate);
       
   340             if (candidate_fi.exists() && !candidate_fi.isDir()) {
       
   341                 binDir = candidate_fi.canonicalPath();
       
   342                 return;
       
   343             }
       
   344         }
       
   345         return;
       
   346     }
       
   347 
       
   348     QFileInfo fi(absPath);
       
   349     if (fi.exists())
       
   350         binDir = fi.canonicalPath();
       
   351 #endif
       
   352 }
       
   353 
       
   354 QT_BEGIN_NAMESPACE
       
   355 
       
   356 // The name is hard-coded in QLibraryInfo
       
   357 QString qmake_libraryInfoFile()
       
   358 {
       
   359     if (binDir.isEmpty())
       
   360         return QString();
       
   361     return QDir(binDir).filePath(QString::fromLatin1("qt.conf"));
       
   362 }
       
   363 
       
   364 QT_END_NAMESPACE
       
   365 
       
   366 #endif // QT_BOOTSTRAPPED