tools/linguist/lconvert/main.cpp
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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 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 
       
    44 #include <QtCore/QCoreApplication>
       
    45 #include <QtCore/QDebug>
       
    46 #include <QtCore/QString>
       
    47 #include <QtCore/QStringList>
       
    48 
       
    49 static int usage(const QStringList &args)
       
    50 {
       
    51     Q_UNUSED(args);
       
    52 
       
    53     QString loaders;
       
    54     QString line(QLatin1String("    %1 - %2\n"));
       
    55     foreach (Translator::FileFormat format, Translator::registeredFileFormats())
       
    56         loaders += line.arg(format.extension, -5).arg(format.description);
       
    57 
       
    58     qWarning("%s", qPrintable(QString(QLatin1String("\nUsage:\n"
       
    59         "    lconvert [options] <infile> [<infile>...]\n\n"
       
    60         "lconvert is part of Qt's Linguist tool chain. It can be used as a\n"
       
    61         "stand-alone tool to convert and filter translation data files.\n"
       
    62         "The following file formats are supported:\n\n%1\n"
       
    63         "If multiple input files are specified, they are merged with\n"
       
    64         "translations from later files taking precedence.\n\n"
       
    65         "Options:\n"
       
    66         "    -h\n"
       
    67         "    --help  Display this information and exit.\n\n"
       
    68         "    -i <infile>\n"
       
    69         "    --input-file <infile>\n"
       
    70         "           Specify input file. Use if <infile> might start with a dash.\n"
       
    71         "           This option can be used several times to merge inputs.\n"
       
    72         "           May be '-' (standard input) for use in a pipe.\n\n"
       
    73         "    -o <outfile>\n"
       
    74         "    --output-file <outfile>\n"
       
    75         "           Specify output file. Default is '-' (standard output).\n\n"
       
    76         "    -if <informat>\n"
       
    77         "    --input-format <format>\n"
       
    78         "           Specify input format for subsequent <infile>s.\n"
       
    79         "           The format is auto-detected from the file name and defaults to 'ts'.\n\n"
       
    80         "    -of <outformat>\n"
       
    81         "    --output-format <outformat>\n"
       
    82         "           Specify output format. See -if.\n\n"
       
    83         "    --input-codec <codec>\n"
       
    84         "           Specify encoding for QM and PO input files. Default is 'Latin1'\n"
       
    85         "           for QM and 'UTF-8' for PO files. UTF-8 is always tried as well for\n"
       
    86         "           QM, corresponding to the possible use of the trUtf8() function.\n\n"
       
    87         "    --output-codec <codec>\n"
       
    88         "           Specify encoding for PO output files. Default is 'UTF-8'.\n\n"
       
    89         "    --drop-tags <regexp>\n"
       
    90         "           Drop named extra tags when writing TS or XLIFF files.\n"
       
    91         "           May be specified repeatedly.\n\n"
       
    92         "    --drop-translations\n"
       
    93         "           Drop existing translations and reset the status to 'unfinished'.\n"
       
    94         "           Note: this implies --no-obsolete.\n\n"
       
    95         "    --source-language <language>[_<region>]\n"
       
    96         "           Specify/override the language of the source strings. Defaults to\n"
       
    97         "           POSIX if not specified and the file does not name it yet.\n\n"
       
    98         "    --target-language <language>[_<region>]\n"
       
    99         "           Specify/override the language of the translation.\n"
       
   100         "           The target language is guessed from the file name if this option\n"
       
   101         "           is not specified and the file contents name no language yet.\n\n"
       
   102         "    --no-obsolete\n"
       
   103         "           Drop obsolete messages.\n\n"
       
   104         "    --no-finished\n"
       
   105         "           Drop finished messages.\n\n"
       
   106         "    --sort-contexts\n"
       
   107         "           Sort contexts in output TS file alphabetically.\n\n"
       
   108         "    --locations {absolute|relative|none}\n"
       
   109         "           Override how source code references are saved in TS files.\n"
       
   110         "           Default is absolute.\n\n"
       
   111         "    --no-ui-lines\n"
       
   112         "           Drop line numbers from references to UI files.\n\n"
       
   113         "    --verbose\n"
       
   114         "           be a bit more verbose\n\n"
       
   115         "Long options can be specified with only one leading dash, too.\n\n"
       
   116         "Return value:\n"
       
   117         "    0 on success\n"
       
   118         "    1 on command line parse failures\n"
       
   119         "    2 on read failures\n"
       
   120         "    3 on write failures\n")).arg(loaders)));
       
   121     return 1;
       
   122 }
       
   123 
       
   124 struct File
       
   125 {
       
   126     QString name;
       
   127     QString format;
       
   128 };
       
   129 
       
   130 int main(int argc, char *argv[])
       
   131 {
       
   132     QCoreApplication app(argc, argv);
       
   133     QStringList args = app.arguments();
       
   134 
       
   135     QList<File> inFiles;
       
   136     QString inFormat(QLatin1String("auto"));
       
   137     QString outFileName;
       
   138     QString outFormat(QLatin1String("auto"));
       
   139     QString targetLanguage;
       
   140     QString sourceLanguage;
       
   141     bool dropTranslations = false;
       
   142     bool noObsolete = false;
       
   143     bool noFinished = false;
       
   144     bool verbose = false;
       
   145     bool noUiLines = false;
       
   146     Translator::LocationsType locations = Translator::DefaultLocations;
       
   147 
       
   148     ConversionData cd;
       
   149     Translator tr;
       
   150 
       
   151     for (int i = 1; i < args.size(); ++i) {
       
   152         if (args[i].startsWith(QLatin1String("--")))
       
   153             args[i].remove(0, 1);
       
   154         if (args[i] == QLatin1String("-o")
       
   155          || args[i] == QLatin1String("-output-file")) {
       
   156             if (++i >= args.size())
       
   157                 return usage(args);
       
   158             outFileName = args[i];
       
   159         } else if (args[i] == QLatin1String("-of")
       
   160                 || args[i] == QLatin1String("-output-format")) {
       
   161             if (++i >= args.size())
       
   162                 return usage(args);
       
   163             outFormat = args[i];
       
   164         } else if (args[i] == QLatin1String("-i")
       
   165                 || args[i] == QLatin1String("-input-file")) {
       
   166             if (++i >= args.size())
       
   167                 return usage(args);
       
   168             File file;
       
   169             file.name = args[i];
       
   170             file.format = inFormat;
       
   171             inFiles.append(file);
       
   172         } else if (args[i] == QLatin1String("-if")
       
   173                 || args[i] == QLatin1String("-input-format")) {
       
   174             if (++i >= args.size())
       
   175                 return usage(args);
       
   176             inFormat = args[i];
       
   177         } else if (args[i] == QLatin1String("-input-codec")) {
       
   178             if (++i >= args.size())
       
   179                 return usage(args);
       
   180             cd.m_codecForSource = args[i].toLatin1();
       
   181         } else if (args[i] == QLatin1String("-output-codec")) {
       
   182             if (++i >= args.size())
       
   183                 return usage(args);
       
   184             cd.m_outputCodec = args[i].toLatin1();
       
   185         } else if (args[i] == QLatin1String("-drop-tag")) {
       
   186             if (++i >= args.size())
       
   187                 return usage(args);
       
   188             cd.m_dropTags.append(args[i]);
       
   189         } else if (args[i] == QLatin1String("-drop-translations")) {
       
   190             dropTranslations = true;
       
   191         } else if (args[i] == QLatin1String("-target-language")) {
       
   192             if (++i >= args.size())
       
   193                 return usage(args);
       
   194             targetLanguage = args[i];
       
   195         } else if (args[i] == QLatin1String("-source-language")) {
       
   196             if (++i >= args.size())
       
   197                 return usage(args);
       
   198             sourceLanguage = args[i];
       
   199         } else if (args[i].startsWith(QLatin1String("-h"))) {
       
   200             usage(args);
       
   201             return 0;
       
   202         } else if (args[i] == QLatin1String("-no-obsolete")) {
       
   203             noObsolete = true;
       
   204         } else if (args[i] == QLatin1String("-no-finished")) {
       
   205             noFinished = true;
       
   206         } else if (args[i] == QLatin1String("-sort-contexts")) {
       
   207             cd.m_sortContexts = true;
       
   208         } else if (args[i] == QLatin1String("-locations")) {
       
   209             if (++i >= args.size())
       
   210                 return usage(args);
       
   211             if (args[i] == QLatin1String("none"))
       
   212                 locations = Translator::NoLocations;
       
   213             else if (args[i] == QLatin1String("relative"))
       
   214                 locations = Translator::RelativeLocations;
       
   215             else if (args[i] == QLatin1String("absolute"))
       
   216                 locations = Translator::AbsoluteLocations;
       
   217             else
       
   218                 return usage(args);
       
   219         } else if (args[i] == QLatin1String("-no-ui-lines")) {
       
   220             noUiLines = true;
       
   221         } else if (args[i] == QLatin1String("-verbose")) {
       
   222             verbose = true;
       
   223         } else if (args[i].startsWith(QLatin1Char('-'))) {
       
   224             return usage(args);
       
   225         } else {
       
   226             File file;
       
   227             file.name = args[i];
       
   228             file.format = inFormat;
       
   229             inFiles.append(file);
       
   230         }
       
   231     }
       
   232 
       
   233     if (inFiles.isEmpty())
       
   234         return usage(args);
       
   235 
       
   236     tr.setLanguageCode(Translator::guessLanguageCodeFromFileName(inFiles[0].name));
       
   237 
       
   238     if (!tr.load(inFiles[0].name, cd, inFiles[0].format)) {
       
   239         qWarning() << qPrintable(cd.error());
       
   240         return 2;
       
   241     }
       
   242     Translator::reportDuplicates(tr.resolveDuplicates(), inFiles[0].name, verbose);
       
   243 
       
   244     for (int i = 1; i < inFiles.size(); ++i) {
       
   245         Translator tr2;
       
   246         if (!tr2.load(inFiles[i].name, cd, inFiles[i].format)) {
       
   247             qWarning() << qPrintable(cd.error());
       
   248             return 2;
       
   249         }
       
   250         Translator::reportDuplicates(tr2.resolveDuplicates(), inFiles[i].name, verbose);
       
   251         for (int j = 0; j < tr2.messageCount(); ++j)
       
   252             tr.replaceSorted(tr2.message(j));
       
   253     }
       
   254 
       
   255     if (!targetLanguage.isEmpty())
       
   256         tr.setLanguageCode(targetLanguage);
       
   257     if (!sourceLanguage.isEmpty())
       
   258         tr.setSourceLanguageCode(sourceLanguage);
       
   259     if (noObsolete)
       
   260         tr.stripObsoleteMessages();
       
   261     if (noFinished)
       
   262         tr.stripFinishedMessages();
       
   263     if (dropTranslations)
       
   264         tr.dropTranslations();
       
   265     if (noUiLines)
       
   266         tr.dropUiLines();
       
   267     if (locations != Translator::DefaultLocations)
       
   268         tr.setLocationsType(locations);
       
   269 
       
   270     tr.normalizeTranslations(cd);
       
   271     if (!cd.errors().isEmpty()) {
       
   272         qWarning("%s", qPrintable(cd.error()));
       
   273         cd.clearErrors();
       
   274     }
       
   275     if (!tr.save(outFileName, cd, outFormat)) {
       
   276         qWarning("%s", qPrintable(cd.error()));
       
   277         return 3;
       
   278     }
       
   279     return 0;
       
   280 }