| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Linguist of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
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| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #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 UiReader : public QXmlDefaultHandler |
| { |
| public: |
| UiReader(Translator &translator, ConversionData &cd) |
| : m_translator(translator), m_cd(cd), m_lineNumber(-1), m_isTrString(false), |
| m_insideStringList(false), m_idBasedTranslations(false) |
| {} |
| |
| 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(); |
| void readTranslationAttributes(const QXmlAttributes &atts); |
| |
| Translator &m_translator; |
| ConversionData &m_cd; |
| QString m_context; |
| QString m_source; |
| QString m_comment; |
| QString m_extracomment; |
| QString m_id; |
| QXmlLocator *m_locator; |
| |
| QString m_accum; |
| int m_lineNumber; |
| bool m_isTrString; |
| bool m_insideStringList; |
| bool m_idBasedTranslations; |
| }; |
| |
| bool UiReader::startElement(const QString &namespaceURI, |
| const QString &localName, const QString &qName, const QXmlAttributes &atts) |
| { |
| Q_UNUSED(namespaceURI); |
| Q_UNUSED(localName); |
| |
| if (qName == QLatin1String("string")) { |
| flush(); |
| if (!m_insideStringList) |
| readTranslationAttributes(atts); |
| } else if (qName == QLatin1String("stringlist")) { |
| flush(); |
| m_insideStringList = true; |
| readTranslationAttributes(atts); |
| } else if (qName == QLatin1String("ui")) { // UI "header" |
| const int translationTypeIndex = atts.index(QStringLiteral("idbasedtr")); |
| m_idBasedTranslations = translationTypeIndex >= 0 |
| && atts.value(translationTypeIndex) == QLatin1String("true"); |
| } |
| 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("stringlist")) { |
| m_insideStringList = false; |
| } 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); |
| msg.setId(m_id); |
| m_translator.extend(msg, m_cd); |
| } |
| m_source.clear(); |
| if (!m_insideStringList) { |
| m_comment.clear(); |
| m_extracomment.clear(); |
| m_id.clear(); |
| } |
| } |
| |
| void UiReader::readTranslationAttributes(const QXmlAttributes &atts) |
| { |
| const QString notr = atts.value(QStringLiteral("notr")); |
| if (notr.isEmpty() || notr != QStringLiteral("true")) { |
| m_isTrString = true; |
| m_comment = atts.value(QStringLiteral("comment")); |
| m_extracomment = atts.value(QStringLiteral("extracomment")); |
| if (m_idBasedTranslations) |
| m_id = atts.value(QStringLiteral("id")); |
| if (!m_cd.m_noUiLines) |
| m_lineNumber = m_locator->lineNumber(); |
| } else { |
| m_isTrString = false; |
| } |
| } |
| |
| 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 |