Long live Qt!

1 files changed, 271 insertions, 0 deletions

diff --git a/tools/linguist/lrelease/main.cpp b/tools/linguist/lrelease/main.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Linguist of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "translator.h"
+#include "profileevaluator.h"
+
+#include <QtCore/QCoreApplication>
+#include <QtCore/QDebug>
+#include <QtCore/QDir>
+#include <QtCore/QFile>
+#include <QtCore/QFileInfo>
+#include <QtCore/QRegExp>
+#include <QtCore/QString>
+#include <QtCore/QStringList>
+#include <QtCore/QTextStream>
+#include <QtCore/QTranslator>
+
+static void printOut(const QString & out)
+{
+    QTextStream stream(stdout);
+    stream << out;
+}
+
+static void printUsage()
+{
+    printOut(QCoreApplication::tr(
+        "Usage:\n"
+        "    lrelease [options] project-file\n"
+        "    lrelease [options] ts-files [-qm qm-file]\n\n"
+        "lrelease is part of Qt's Linguist tool chain. It can be used as a\n"
+        "stand-alone tool to convert XML based translations files in the .ts\n"
+        "format into the 'compiled' .qm format used by QTranslator objects.\n\n"
+        "Options:\n"
+        "    -help  Display this information and exit\n"
+        "    -compress\n"
+        "           Compress the .qm files\n"
+        "    -nounfinished\n"
+        "           Do not include unfinished translations\n"
+        "    -removeidentical\n"
+        "           If the translated text is the same as\n"
+        "           the source text, do not include the message\n"
+        "    -silent\n"
+        "           Don't explain what is being done\n"
+        "    -version\n"
+        "           Display the version of lrelease and exit\n"
+    ));
+}
+
+static bool loadTsFile(Translator &tor, const QString &tsFileName, bool /* verbose */)
+{
+    ConversionData cd;
+    bool ok = tor.load(tsFileName, cd, QLatin1String("auto"));
+    if (!ok) {
+        qWarning("lrelease error: %s\n", qPrintable(cd.error()));
+    } else {
+        if (!cd.errors().isEmpty())
+            printOut(cd.error());
+        const QList<TranslatorMessage> dupes = tor.findDuplicates();
+        if (!dupes.isEmpty()) {
+            qWarning("lrelease error: duplicate messages found in '%s':",
+                     qPrintable(tsFileName));
+            foreach (const TranslatorMessage &msg, dupes) {
+                qWarning("\n* Context: %s\n* Source: %s",
+                        qPrintable(msg.context()),
+                        qPrintable(msg.sourceText()));
+                if (!msg.comment().isEmpty())
+                    qWarning("\n* Comment: %s", qPrintable(msg.comment()));
+            }
+            ok = false;
+        }
+    }
+    return ok;
+}
+
+static bool releaseTranslator(Translator &tor, const QString &qmFileName,
+    bool verbose, bool ignoreUnfinished,
+    bool removeIdentical, TranslatorSaveMode mode)
+{
+    if (verbose)
+        printOut(QCoreApplication::tr( "Updating '%1'...\n").arg(qmFileName));
+    if (removeIdentical) {
+        if ( verbose )
+            printOut(QCoreApplication::tr( "Removing translations equal to source text in '%1'...\n").arg(qmFileName));
+        tor.stripIdenticalSourceTranslations();
+    }
+
+    QFile file(qmFileName);
+    if (!file.open(QIODevice::WriteOnly)) {
+        qWarning("lrelease error: cannot create '%s': %s\n",
+                 qPrintable(qmFileName), qPrintable(file.errorString()));
+        return false;
+    }
+
+    ConversionData cd;
+    cd.m_verbose = verbose;
+    cd.m_ignoreUnfinished = ignoreUnfinished;
+    cd.m_saveMode = mode;
+    bool ok = tor.release(&file, cd);
+    file.close();
+
+    if (!ok) {
+        qWarning("lrelease error: cannot save '%s': %s\n",
+                 qPrintable(qmFileName), qPrintable(cd.error()));
+        return false;
+    } else if (!cd.errors().isEmpty()) {
+        printOut(cd.error());
+    }
+    return true;
+}
+
+static bool releaseTsFile(const QString& tsFileName, bool verbose,
+    bool ignoreUnfinished, bool removeIdentical, TranslatorSaveMode mode)
+{
+    Translator tor;
+    if (!loadTsFile(tor, tsFileName, verbose))
+        return false;
+
+    QString qmFileName = tsFileName;
+    foreach (const Translator::FileFormat &fmt, Translator::registeredFileFormats()) {
+        if (qmFileName.endsWith(QLatin1Char('.') + fmt.extension)) {
+            qmFileName.chop(fmt.extension.length() + 1);
+            break;
+        }
+    }
+    qmFileName += QLatin1String(".qm");
+
+    return releaseTranslator(tor, qmFileName, verbose, ignoreUnfinished, removeIdentical, mode);
+}
+
+int main(int argc, char **argv)
+{
+    QCoreApplication app(argc, argv);
+    QStringList args = app.arguments();
+    QTranslator translator;
+    if (translator.load(QLatin1String("lrelease_") + QLocale::system().name()))
+        app.installTranslator(&translator);
+
+    bool verbose = true; // the default is true starting with Qt 4.2
+    bool ignoreUnfinished = false;
+    // the default mode is SaveEverything starting with Qt 4.2
+    TranslatorSaveMode mode = SaveEverything;
+    bool removeIdentical = false;
+    Translator tor;
+    QString outputFile;
+    int numFiles = 0;
+
+    for (int i = 1; i < argc; ++i) {
+        if (args[i] == QLatin1String("-compress")) {
+            mode = SaveStripped;
+            continue;
+        } else if (args[i] == QLatin1String("-nocompress")) {
+            mode = SaveEverything;
+            continue;
+        } else if (args[i] == QLatin1String("-removeidentical")) {
+            removeIdentical = true;
+            continue;
+        } else if (args[i] == QLatin1String("-nounfinished")) {
+            ignoreUnfinished = true;
+            continue;
+        } else if (args[i] == QLatin1String("-silent")) {
+            verbose = false;
+            continue;
+        } else if (args[i] == QLatin1String("-verbose")) {
+            verbose = true;
+            continue;
+        } else if (args[i] == QLatin1String("-version")) {
+            printOut(QCoreApplication::tr( "lrelease version %1\n").arg(QLatin1String(QT_VERSION_STR)) );
+            return 0;
+        } else if (args[i] == QLatin1String("-qm")) {
+            if (i == argc - 1) {
+                printUsage();
+                return 1;
+            }
+            i++;
+            outputFile = args[i];
+        } else if (args[i] == QLatin1String("-help")) {
+            printUsage();
+            return 0;
+        } else if (args[i][0] == QLatin1Char('-')) {
+            printUsage();
+            return 1;
+        } else {
+            numFiles++;
+        }
+    }
+
+    if (numFiles == 0) {
+        printUsage();
+        return 1;
+    }
+
+    for (int i = 1; i < argc; ++i) {
+        if (args[i][0] == QLatin1Char('-') || args[i] == outputFile)
+            continue;
+
+        if (args[i].endsWith(QLatin1String(".pro"), Qt::CaseInsensitive)
+            || args[i].endsWith(QLatin1String(".pri"), Qt::CaseInsensitive)) {
+            QHash<QByteArray, QStringList> varMap;
+            bool ok = evaluateProFile(args[i], verbose, &varMap );
+            if (ok) {
+                QStringList translations = varMap.value("TRANSLATIONS");
+                if (translations.isEmpty()) {
+                    qWarning("lrelease warning: Met no 'TRANSLATIONS' entry in"
+                             " project file '%s'\n",
+                             qPrintable(args[i]));
+                } else {
+                    foreach (const QString &trans, translations)
+                        if (!releaseTsFile(trans, verbose, ignoreUnfinished, removeIdentical, mode))
+                            return 1;
+                }
+            } else {
+                qWarning("error: lrelease encountered project file functionality that is currently not supported.\n"
+                    "You might want to consider using .ts files as input instead of a project file.\n"
+                    "Try the following syntax:\n"
+                    "    lrelease [options] ts-files [-qm qm-file]\n");
+            }
+        } else {
+            if (outputFile.isEmpty()) {
+                if (!releaseTsFile(args[i], verbose, ignoreUnfinished, removeIdentical, mode))
+                    return 1;
+            } else {
+                if (!loadTsFile(tor, args[i], verbose))
+                    return 1;
+            }
+        }
+    }
+
+    if (!outputFile.isEmpty())
+        return releaseTranslator(tor, outputFile, verbose, ignoreUnfinished,
+                                 removeIdentical, mode) ? 0 : 1;
+
+    return 0;
+}