Initial import from the monolithic Qt.

This is the beginning of revision history for this module. If you
want to look at revision history older than this, please refer to the
Qt Git wiki for how to use Git history grafting. At the time of
writing, this wiki is located here:

http://qt.gitorious.org/qt/pages/GitIntroductionWithQt

If you have already performed the grafting and you don't see any
history beyond this commit, try running "git log" with the "--follow"
argument.

Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 391 insertions, 0 deletions

diff --git a/src/linguist/lrelease/main.cpp b/src/linguist/lrelease/main.cpp
new file mode 100644
index 000000000..b1beec873
--- /dev/null
+++ b/src/linguist/lrelease/main.cpp
@@ -0,0 +1,391 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 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>
+
+#include <iostream>
+
+QT_USE_NAMESPACE
+
+#ifdef QT_BOOTSTRAPPED
+static void initBinaryDir(
+#ifndef Q_OS_WIN
+        const char *argv0
+#endif
+        );
+
+struct LR {
+    static inline QString tr(const char *sourceText, const char *comment = 0)
+    {
+        return QCoreApplication::translate("LRelease", sourceText, comment);
+    }
+};
+#else
+class LR {
+    Q_DECLARE_TR_FUNCTIONS(LRelease)
+};
+#endif
+
+static void printOut(const QString & out)
+{
+    QTextStream stream(stdout);
+    stream << out;
+}
+
+static void printUsage()
+{
+    printOut(LR::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) {
+        std::cerr << qPrintable(LR::tr("lrelease error: %1").arg(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(LR::tr("Updating '%1'...\n").arg(qmFileName));
+    if (removeIdentical) {
+        if (cd.isVerbose())
+            printOut(LR::tr("Removing translations equal to source text in '%1'...\n").arg(qmFileName));
+        tor.stripIdenticalSourceTranslations();
+    }
+
+    QFile file(qmFileName);
+    if (!file.open(QIODevice::WriteOnly)) {
+        std::cerr << qPrintable(LR::tr("lrelease error: cannot create '%1': %2\n")
+                                .arg(qmFileName, file.errorString()));
+        return false;
+    }
+
+    tor.normalizeTranslations(cd);
+    bool ok = tor.release(&file, cd);
+    file.close();
+
+    if (!ok) {
+        std::cerr << qPrintable(LR::tr("lrelease error: cannot save '%1': %2")
+                                .arg(qmFileName, 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);
+#ifndef Q_OS_WIN32
+    QTranslator translator;
+    QTranslator qtTranslator;
+    QString sysLocale = QLocale::system().name();
+    QString resourceDir = QLibraryInfo::location(QLibraryInfo::TranslationsPath);
+    if (translator.load(QLatin1String("linguist_") + sysLocale, resourceDir)
+        && qtTranslator.load(QLatin1String("qt_") + sysLocale, resourceDir)) {
+        app.installTranslator(&translator);
+        app.installTranslator(&qtTranslator);
+    }
+#endif // Q_OS_WIN32
+#endif // QT_BOOTSTRAPPED
+
+    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(LR::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)) {
+                std::cerr << qPrintable(LR::tr(
+                          "lrelease error: cannot read project file '%1'.\n")
+                          .arg(inputFile));
+                continue;
+            }
+            if (!visitor.accept(&pro)) {
+                std::cerr << qPrintable(LR::tr(
+                          "lrelease error: cannot process project file '%1'.\n")
+                          .arg(inputFile));
+                continue;
+            }
+
+            QStringList translations = visitor.values(QLatin1String("TRANSLATIONS"));
+            if (translations.isEmpty()) {
+                std::cerr << qPrintable(LR::tr(
+                          "lrelease warning: Met no 'TRANSLATIONS' entry in project file '%1'\n")
+                          .arg(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