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/****************************************************************************
**
** 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 "lupdate.h"
#include <translator.h>
#include <QtCore/QCoreApplication>
#include <QtCore/QDebug>
#include <QtCore/QFile>
#include <QtCore/QString>
#include <QtXml/QXmlAttributes>
#include <QtXml/QXmlDefaultHandler>
#include <QtXml/QXmlLocator>
#include <QtXml/QXmlParseException>
QT_BEGIN_NAMESPACE
class LU {
Q_DECLARE_TR_FUNCTIONS(LUpdate)
};
class UiReader : public QXmlDefaultHandler
{
public:
UiReader(Translator &translator, ConversionData &cd)
: m_translator(translator), m_cd(cd), m_lineNumber(-1), m_isTrString(false),
m_needUtf8(translator.codecName() != "UTF-8")
{}
bool startElement(const QString &namespaceURI, const QString &localName,
const QString &qName, const QXmlAttributes &atts);
bool endElement(const QString &namespaceURI, const QString &localName,
const QString &qName);
bool characters(const QString &ch);
bool fatalError(const QXmlParseException &exception);
void setDocumentLocator(QXmlLocator *locator) { m_locator = locator; }
private:
void flush();
Translator &m_translator;
ConversionData &m_cd;
QString m_context;
QString m_source;
QString m_comment;
QString m_extracomment;
QXmlLocator *m_locator;
QString m_accum;
int m_lineNumber;
bool m_isTrString;
bool m_needUtf8;
};
bool UiReader::startElement(const QString &namespaceURI,
const QString &localName, const QString &qName, const QXmlAttributes &atts)
{
Q_UNUSED(namespaceURI);
Q_UNUSED(localName);
if (qName == QLatin1String("item")) { // UI3 menu entries
flush();
if (!atts.value(QLatin1String("text")).isEmpty()) {
m_source = atts.value(QLatin1String("text"));
m_isTrString = true;
if (!m_cd.m_noUiLines)
m_lineNumber = m_locator->lineNumber();
}
} else if (qName == QLatin1String("string")) {
flush();
if (atts.value(QLatin1String("notr")).isEmpty() ||
atts.value(QLatin1String("notr")) != QLatin1String("true")) {
m_isTrString = true;
m_comment = atts.value(QLatin1String("comment"));
m_extracomment = atts.value(QLatin1String("extracomment"));
if (!m_cd.m_noUiLines)
m_lineNumber = m_locator->lineNumber();
} else {
m_isTrString = false;
}
}
m_accum.clear();
return true;
}
bool UiReader::endElement(const QString &namespaceURI,
const QString &localName, const QString &qName)
{
Q_UNUSED(namespaceURI);
Q_UNUSED(localName);
m_accum.replace(QLatin1String("\r\n"), QLatin1String("\n"));
if (qName == QLatin1String("class")) { // UI "header"
if (m_context.isEmpty())
m_context = m_accum;
} else if (qName == QLatin1String("string") && m_isTrString) {
m_source = m_accum;
} else if (qName == QLatin1String("comment")) { // FIXME: what's that?
m_comment = m_accum;
flush();
} else if (qName == QLatin1String("function")) { // UI3 embedded code
fetchtrInlinedCpp(m_accum, m_translator, m_context);
} else {
flush();
}
return true;
}
bool UiReader::characters(const QString &ch)
{
m_accum += ch;
return true;
}
bool UiReader::fatalError(const QXmlParseException &exception)
{
QString msg = LU::tr("XML error: Parse error at line %1, column %2 (%3).")
.arg(exception.lineNumber()).arg(exception.columnNumber())
.arg(exception.message());
m_cd.appendError(msg);
return false;
}
void UiReader::flush()
{
if (!m_context.isEmpty() && !m_source.isEmpty()) {
TranslatorMessage msg(m_context, m_source,
m_comment, QString(), m_cd.m_sourceFileName,
m_lineNumber, QStringList());
msg.setExtraComment(m_extracomment);
if (m_needUtf8 && msg.needs8Bit())
msg.setUtf8(true);
m_translator.extend(msg);
}
m_source.clear();
m_comment.clear();
m_extracomment.clear();
}
bool loadUI(Translator &translator, const QString &filename, ConversionData &cd)
{
cd.m_sourceFileName = filename;
QFile file(filename);
if (!file.open(QIODevice::ReadOnly)) {
cd.appendError(LU::tr("Cannot open %1: %2").arg(filename, file.errorString()));
return false;
}
QXmlInputSource in(&file);
QXmlSimpleReader reader;
reader.setFeature(QLatin1String("http://xml.org/sax/features/namespaces"), false);
reader.setFeature(QLatin1String("http://xml.org/sax/features/namespace-prefixes"), true);
reader.setFeature(QLatin1String(
"http://trolltech.com/xml/features/report-whitespace-only-CharData"), false);
UiReader handler(translator, cd);
reader.setContentHandler(&handler);
reader.setErrorHandler(&handler);
bool result = reader.parse(in);
if (!result)
cd.appendError(LU::tr("Parse error in UI file"));
reader.setContentHandler(0);
reader.setErrorHandler(0);
return result;
}
QT_END_NAMESPACE
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