util/tools/linguist/lrelease/main.cpp
changeset 7 f7bc934e204c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/util/tools/linguist/lrelease/main.cpp	Wed Mar 31 11:06:36 2010 +0300
@@ -0,0 +1,366 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "translator.h"
+#include "profileevaluator.h"
+
+#ifndef QT_BOOTSTRAPPED
+#include <QtCore/QCoreApplication>
+#include <QtCore/QTranslator>
+#endif
+#include <QtCore/QDebug>
+#include <QtCore/QDir>
+#include <QtCore/QFile>
+#include <QtCore/QFileInfo>
+#include <QtCore/QRegExp>
+#include <QtCore/QString>
+#include <QtCore/QStringList>
+#include <QtCore/QTextStream>
+
+QT_USE_NAMESPACE
+
+#ifdef QT_BOOTSTRAPPED
+static void initBinaryDir(
+#ifndef Q_OS_WIN
+        const char *argv0
+#endif
+        );
+#endif
+
+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"
+        "    -idbased\n"
+        "           Use IDs instead of source strings for message keying\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"
+        "    -markuntranslated <prefix>\n"
+        "           If a message has no real translation, use the source text\n"
+        "           prefixed with the given string instead\n"
+        "    -silent\n"
+        "           Do not 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());
+    }
+    cd.clearErrors();
+    return ok;
+}
+
+static bool releaseTranslator(Translator &tor, const QString &qmFileName,
+    ConversionData &cd, bool removeIdentical)
+{
+    tor.reportDuplicates(tor.resolveDuplicates(), qmFileName, cd.isVerbose());
+
+    if (cd.isVerbose())
+        printOut(QCoreApplication::tr( "Updating '%1'...\n").arg(qmFileName));
+    if (removeIdentical) {
+        if (cd.isVerbose())
+            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;
+    }
+
+    tor.normalizeTranslations(cd);
+    bool ok = tor.release(&file, cd);
+    file.close();
+
+    if (!ok) {
+        qWarning("lrelease error: cannot save '%s': %s\n",
+                 qPrintable(qmFileName), qPrintable(cd.error()));
+    } else if (!cd.errors().isEmpty()) {
+        printOut(cd.error());
+    }
+    cd.clearErrors();
+    return ok;
+}
+
+static bool releaseTsFile(const QString& tsFileName,
+    ConversionData &cd, bool removeIdentical)
+{
+    Translator tor;
+    if (!loadTsFile(tor, tsFileName, cd.isVerbose()))
+        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, cd, removeIdentical);
+}
+
+int main(int argc, char **argv)
+{
+#ifdef QT_BOOTSTRAPPED
+    initBinaryDir(
+#ifndef Q_OS_WIN
+            argv[0]
+#endif
+            );
+#else
+    QCoreApplication app(argc, argv);
+    QTranslator translator;
+    if (translator.load(QLatin1String("lrelease_") + QLocale::system().name()))
+        app.installTranslator(&translator);
+#endif
+
+    ConversionData cd;
+    cd.m_verbose = true; // the default is true starting with Qt 4.2
+    bool removeIdentical = false;
+    Translator tor;
+    QStringList inputFiles;
+    QString outputFile;
+
+    for (int i = 1; i < argc; ++i) {
+        if (!strcmp(argv[i], "-compress")) {
+            cd.m_saveMode = SaveStripped;
+            continue;
+        } else if (!strcmp(argv[i], "-idbased")) {
+            cd.m_idBased = true;
+            continue;
+        } else if (!strcmp(argv[i], "-nocompress")) {
+            cd.m_saveMode = SaveEverything;
+            continue;
+        } else if (!strcmp(argv[i], "-removeidentical")) {
+            removeIdentical = true;
+            continue;
+        } else if (!strcmp(argv[i], "-nounfinished")) {
+            cd.m_ignoreUnfinished = true;
+            continue;
+        } else if (!strcmp(argv[i], "-markuntranslated")) {
+            if (i == argc - 1) {
+                printUsage();
+                return 1;
+            }
+            cd.m_unTrPrefix = QString::fromLocal8Bit(argv[++i]);
+        } else if (!strcmp(argv[i], "-silent")) {
+            cd.m_verbose = false;
+            continue;
+        } else if (!strcmp(argv[i], "-verbose")) {
+            cd.m_verbose = true;
+            continue;
+        } else if (!strcmp(argv[i], "-version")) {
+            printOut(QCoreApplication::tr( "lrelease version %1\n").arg(QLatin1String(QT_VERSION_STR)) );
+            return 0;
+        } else if (!strcmp(argv[i], "-qm")) {
+            if (i == argc - 1) {
+                printUsage();
+                return 1;
+            }
+            outputFile = QString::fromLocal8Bit(argv[++i]);
+        } else if (!strcmp(argv[i], "-help")) {
+            printUsage();
+            return 0;
+        } else if (argv[i][0] == '-') {
+            printUsage();
+            return 1;
+        } else {
+            inputFiles << QString::fromLocal8Bit(argv[i]);
+        }
+    }
+
+    if (inputFiles.isEmpty()) {
+        printUsage();
+        return 1;
+    }
+
+    foreach (const QString &inputFile, inputFiles) {
+        if (inputFile.endsWith(QLatin1String(".pro"), Qt::CaseInsensitive)
+            || inputFile.endsWith(QLatin1String(".pri"), Qt::CaseInsensitive)) {
+            QFileInfo fi(inputFile);
+            ProFile pro(fi.absoluteFilePath());
+
+            ProFileEvaluator visitor;
+            visitor.setVerbose(cd.isVerbose());
+
+            if (!visitor.queryProFile(&pro)) {
+                qWarning("lrelease error: cannot read project file '%s'.", qPrintable(inputFile));
+                continue;
+            }
+            if (!visitor.accept(&pro)) {
+                qWarning("lrelease error: cannot process project file '%s'.", qPrintable(inputFile));
+                continue;
+            }
+
+            QStringList translations = visitor.values(QLatin1String("TRANSLATIONS"));
+            if (translations.isEmpty()) {
+                qWarning("lrelease warning: Met no 'TRANSLATIONS' entry in"
+                         " project file '%s'\n",
+                         qPrintable(inputFile));
+            } else {
+                QDir proDir(fi.absolutePath());
+                foreach (const QString &trans, translations)
+                    if (!releaseTsFile(QFileInfo(proDir, trans).filePath(), cd, removeIdentical))
+                        return 1;
+            }
+        } else {
+            if (outputFile.isEmpty()) {
+                if (!releaseTsFile(inputFile, cd, removeIdentical))
+                    return 1;
+            } else {
+                if (!loadTsFile(tor, inputFile, cd.isVerbose()))
+                    return 1;
+            }
+        }
+    }
+
+    if (!outputFile.isEmpty())
+        return releaseTranslator(tor, outputFile, cd, removeIdentical) ? 0 : 1;
+
+    return 0;
+}
+
+#ifdef QT_BOOTSTRAPPED
+
+#ifdef Q_OS_WIN
+# include <windows.h>
+#endif
+
+static QString binDir;
+
+static void initBinaryDir(
+#ifndef Q_OS_WIN
+        const char *_argv0
+#endif
+        )
+{
+#ifdef Q_OS_WIN
+    wchar_t module_name[MAX_PATH];
+    GetModuleFileName(0, module_name, MAX_PATH);
+    QFileInfo filePath = QString::fromWCharArray(module_name);
+    binDir = filePath.filePath();
+#else
+    QString argv0 = QFile::decodeName(QByteArray(_argv0));
+    QString absPath;
+
+    if (!argv0.isEmpty() && argv0.at(0) == QLatin1Char('/')) {
+        /*
+          If argv0 starts with a slash, it is already an absolute
+          file path.
+        */
+        absPath = argv0;
+    } else if (argv0.contains(QLatin1Char('/'))) {
+        /*
+          If argv0 contains one or more slashes, it is a file path
+          relative to the current directory.
+        */
+        absPath = QDir::current().absoluteFilePath(argv0);
+    } else {
+        /*
+          Otherwise, the file path has to be determined using the
+          PATH environment variable.
+        */
+        QByteArray pEnv = qgetenv("PATH");
+        QDir currentDir = QDir::current();
+        QStringList paths = QString::fromLocal8Bit(pEnv.constData()).split(QLatin1String(":"));
+        for (QStringList::const_iterator p = paths.constBegin(); p != paths.constEnd(); ++p) {
+            if ((*p).isEmpty())
+                continue;
+            QString candidate = currentDir.absoluteFilePath(*p + QLatin1Char('/') + argv0);
+            QFileInfo candidate_fi(candidate);
+            if (candidate_fi.exists() && !candidate_fi.isDir()) {
+                binDir = candidate_fi.canonicalPath();
+                return;
+            }
+        }
+        return;
+    }
+
+    QFileInfo fi(absPath);
+    if (fi.exists())
+        binDir = fi.canonicalPath();
+#endif
+}
+
+QT_BEGIN_NAMESPACE
+
+// The name is hard-coded in QLibraryInfo
+QString qmake_libraryInfoFile()
+{
+    if (binDir.isEmpty())
+        return QString();
+    return QDir(binDir).filePath(QString::fromLatin1("qt.conf"));
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_BOOTSTRAPPED