tools/linguist/shared/qph.cpp
changeset 0 1918ee327afb
child 3 41300fa6a67c
equal deleted inserted replaced
-1:000000000000 0:1918ee327afb
       
     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/QByteArray>
       
    45 #include <QtCore/QDebug>
       
    46 #include <QtCore/QTextCodec>
       
    47 #include <QtCore/QTextStream>
       
    48 
       
    49 #include <QtXml/QXmlStreamReader>
       
    50 #include <QtXml/QXmlStreamAttribute>
       
    51 
       
    52 QT_BEGIN_NAMESPACE
       
    53 
       
    54 class QPHReader : public QXmlStreamReader
       
    55 {
       
    56 public:
       
    57     QPHReader(QIODevice &dev)
       
    58       : QXmlStreamReader(&dev)
       
    59     {}
       
    60 
       
    61     // the "real thing"
       
    62     bool read(Translator &translator);
       
    63 
       
    64 private:
       
    65     bool isWhiteSpace() const
       
    66     {
       
    67         return isCharacters() && text().toString().trimmed().isEmpty();
       
    68     }
       
    69 
       
    70     enum DataField { NoField, SourceField, TargetField, DefinitionField };
       
    71     DataField m_currentField;
       
    72     QString m_currentSource;
       
    73     QString m_currentTarget;
       
    74     QString m_currentDefinition;
       
    75 };
       
    76 
       
    77 bool QPHReader::read(Translator &translator)
       
    78 {
       
    79     m_currentField = NoField;
       
    80     QString result;
       
    81     while (!atEnd()) {
       
    82         readNext();
       
    83         if (isStartElement()) {
       
    84             if (name() == QLatin1String("source"))
       
    85                 m_currentField = SourceField;
       
    86             else if (name() == QLatin1String("target"))
       
    87                 m_currentField = TargetField;
       
    88             else if (name() == QLatin1String("definition"))
       
    89                 m_currentField = DefinitionField;
       
    90             else
       
    91                 m_currentField = NoField;
       
    92         } else if (isWhiteSpace()) {
       
    93             // ignore these
       
    94         } else if (isCharacters()) {
       
    95             if (m_currentField == SourceField)
       
    96                 m_currentSource += text();
       
    97             else if (m_currentField == TargetField)
       
    98                 m_currentTarget += text();
       
    99             else if (m_currentField == DefinitionField)
       
   100                 m_currentDefinition += text();
       
   101         } else if (isEndElement() && name() == QLatin1String("phrase")) {
       
   102             m_currentTarget.replace(QChar(Translator::TextVariantSeparator),
       
   103                                     QChar(Translator::BinaryVariantSeparator));
       
   104             TranslatorMessage msg;
       
   105             msg.setSourceText(m_currentSource);
       
   106             msg.setTranslation(m_currentTarget);
       
   107             msg.setTranslatorComment(m_currentDefinition);
       
   108             translator.append(msg);
       
   109             m_currentSource.clear();
       
   110             m_currentTarget.clear();
       
   111             m_currentDefinition.clear();
       
   112         }
       
   113     }
       
   114     return true;
       
   115 }
       
   116 
       
   117 static bool loadQPH(Translator &translator, QIODevice &dev, ConversionData &)
       
   118 {
       
   119     translator.setLocationsType(Translator::NoLocations);
       
   120     QPHReader reader(dev);
       
   121     return reader.read(translator);
       
   122 }
       
   123 
       
   124 static QString protect(const QString &str)
       
   125 {
       
   126     QString result;
       
   127     result.reserve(str.length() * 12 / 10);
       
   128     for (int i = 0; i != str.size(); ++i) {
       
   129         uint c = str.at(i).unicode();
       
   130         switch (c) {
       
   131         case '\"':
       
   132             result += QLatin1String("&quot;");
       
   133             break;
       
   134         case '&':
       
   135             result += QLatin1String("&amp;");
       
   136             break;
       
   137         case '>':
       
   138             result += QLatin1String("&gt;");
       
   139             break;
       
   140         case '<':
       
   141             result += QLatin1String("&lt;");
       
   142             break;
       
   143         case '\'':
       
   144             result += QLatin1String("&apos;");
       
   145             break;
       
   146         default:
       
   147             if (c < 0x20 && c != '\r' && c != '\n' && c != '\t')
       
   148                 result += QString(QLatin1String("&#%1;")).arg(c);
       
   149             else // this also covers surrogates
       
   150                 result += QChar(c);
       
   151         }
       
   152     }
       
   153     return result;
       
   154 }
       
   155 
       
   156 static bool saveQPH(const Translator &translator, QIODevice &dev, ConversionData &)
       
   157 {
       
   158     QTextStream t(&dev);
       
   159     t.setCodec(QTextCodec::codecForName("UTF-8"));
       
   160     t << "<!DOCTYPE QPH>\n<QPH>\n";
       
   161     foreach (const TranslatorMessage &msg, translator.messages()) {
       
   162         t << "<phrase>\n";
       
   163         t << "    <source>" << protect(msg.sourceText()) << "</source>\n";
       
   164         QString str = msg.translations().join(QLatin1String("@"));
       
   165         str.replace(QChar(Translator::BinaryVariantSeparator),
       
   166                     QChar(Translator::TextVariantSeparator));
       
   167         t << "    <target>" << protect(str)
       
   168             << "</target>\n";
       
   169         if (!msg.context().isEmpty() || !msg.comment().isEmpty())
       
   170             t << "    <definition>" << msg.context() << msg.comment()
       
   171                 << "</definition>\n";
       
   172         t << "</phrase>\n";
       
   173     }
       
   174     t << "</QPH>\n";
       
   175     return true;
       
   176 }
       
   177 
       
   178 int initQPH()
       
   179 {
       
   180     Translator::FileFormat format;
       
   181 
       
   182     format.extension = QLatin1String("qph");
       
   183     format.description = QObject::tr("Qt Linguist 'Phrase Book'");
       
   184     format.fileType = Translator::FileFormat::TranslationSource;
       
   185     format.priority = 0;
       
   186     format.loader = &loadQPH;
       
   187     format.saver = &saveQPH;
       
   188     Translator::registerFileFormat(format);
       
   189 
       
   190     return 1;
       
   191 }
       
   192 
       
   193 Q_CONSTRUCTOR_FUNCTION(initQPH)
       
   194 
       
   195 QT_END_NAMESPACE