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/*
* This file is part of Office 2007 Filters for Calligra
*
* Copyright (C) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
*
* Contact: Suresh Chande suresh.chande@nokia.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* version 2.1 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#ifndef MSOOXMLREADER_H
#define MSOOXMLREADER_H
#include "komsooxml_export.h"
#include <QXmlStreamReader>
#include <QStack>
#include <QUrl>
#include <klocale.h>
#include <kdebug.h>
#include <KoXmlReader.h>
#include <KoFilter.h>
#include <KoOdfExporter.h>
namespace MSOOXML
{
class MsooXmlRelationships;
//! Context for MsooXmlReader::read()
class KOMSOOXML_EXPORT MsooXmlReaderContext
{
protected:
MsooXmlReaderContext(MsooXmlRelationships* _relationships = 0);
public:
virtual ~MsooXmlReaderContext();
MSOOXML::MsooXmlRelationships* relationships;
QMap<QString, QString> colorMap;
// element:graphic - A frame might contain a graphic object that was
// generated by an external source and needs a container in which to be
// displayed. A graphic object might represent a group of objects.
bool graphicObjectIsGroup;
private:
Q_DISABLE_COPY(MsooXmlReaderContext)
};
//! A base class reading MSOOXML parts like document.xml or styles.xml.
class KOMSOOXML_EXPORT MsooXmlReader : public QXmlStreamReader, public KoOdfWriters
{
public:
explicit MsooXmlReader(KoOdfWriters *writers);
MsooXmlReader(QIODevice* io, KoOdfWriters *writers);
virtual ~MsooXmlReader();
//! Reads/parses the file
virtual KoFilter::ConversionStatus read(MsooXmlReaderContext* context = 0) = 0;
//! Sets filename for the document being read.
//! Only for error reporting purposes, used in raiseError().
void setFileName(const QString &fileName) {
m_fileName = fileName;
}
//! @return filename for the document being read.
//! Only for error reporting purposes, used in raiseError().
QString fileName() const {
return m_fileName;
}
//! Reimplemented after QXmlStreamReader: adds line, column and filename information
void raiseError(const QString & message = QString());
// Uncomment if debugging is needed
//! Reimplemented after QXmlStreamReader for supporting undo read and for debugging purposes
//TokenType readNext();
//! Undoes recent readNext(); only one recent readNext() can be undoed
//void undoReadNext();
// const strings (for optimization)
static const char constOn[];
static const char constOff[];
static const char constTrue[];
static const char constFalse[];
static const char constNone[];
static const char const1[];
static const char const0[];
static const char constAuto[];
static const char constFloat[];
static const char constPercentage[];
static const char constCurrency[];
static const char constDate[];
static const char constTime[];
static const char constBoolean[];
static const char constString[];
protected:
// -- general
bool expectElName(const char* elementName);
bool expectElNameEnd(const char* elementName);
bool expectEl(const char* qualifiedElementName);
bool expectEl(const QString& qualifiedElementName);
bool expectEl(const QList<QByteArray>& qualifiedElementNames);
bool expectElEnd(const QString& qualifiedElementName);
bool expectElEnd(const char* qualifiedElementName);
bool expectNS(const char* nsName);
void raiseElNotFoundError(const char* elementName);
void raiseAttributeNotFoundError(const char* attrName);
void raiseNSNotFoundError(const char* nsName);
void raiseUnexpectedAttributeValueError(const QString& value, const char* attrName);
void raiseUnexpectedSecondOccurenceOfElError(const char* elementName);
//! Decodes boolean attribute. Used by read_b(), read_i(), etc.
bool readBooleanAttr(const char* attrName, bool defaultValue = false) const;
QString m_defaultNamespace; //!< stores namespace (for optimization)
QStack<QByteArray> m_callsNames;
#ifndef NDEBUG
QStack<QByteArray> m_callsNamesDebug;
#endif
private:
Q_DISABLE_COPY(MsooXmlReader)
QString m_fileName;
bool m_readUndoed;
QXmlStreamReader::TokenType m_recentType;
void init();
};
} // namespace MSOOXML
//! kDebug() stream operator. Writes this reader to the debug output in a nicely formatted way.
//! @todo add the same for QXmlStreamWriter
KOMSOOXML_EXPORT QDebug operator<<(QDebug dbg, const QXmlStreamReader& reader);
#endif //MSOOXMLREADER_H
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