/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project .
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* License , v . 2 . 0 . If a copy of the MPL was not distributed with this
* file , You can obtain one at http : //mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice :
*
* Licensed to the Apache Software Foundation ( ASF ) under one or more
* contributor license agreements . See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( the " License " ) ; you may not use this file
* except in compliance with the License . You may obtain a copy of
* the License at http : //www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_OOX_CORE_FRAGMENTHANDLER_HXX
#define INCLUDED_OOX_CORE_FRAGMENTHANDLER_HXX
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/xml/sax/XFastDocumentHandler.hpp>
#include <cppuhelper/implbase.hxx>
#include <oox/core/contexthandler.hxx>
#include <oox/core/relations.hxx>
#include <oox/dllapi.h>
#include <rtl/ref.hxx>
#include <rtl/ustring.hxx>
#include <sal/types.h>
namespace com::sun::star {
namespace io { class XInputStream; }
namespace xml::sax { class XFastContextHandler; }
namespace xml::sax { class XLocator; }
}
namespace oox::core {
class XmlFilterBase;
/** Base data of a fragment.
This data is stored in a separate struct to make it accessible in every
child context handler of the fragment .
*/
struct FragmentBaseData
{
XmlFilterBase& mrFilter;
const OUString maFragmentPath;
css::uno::Reference< css::xml::sax::XLocator >
mxLocator;
RelationsRef mxRelations;
explicit FragmentBaseData(
XmlFilterBase& rFilter,
OUString aFragmentPath,
RelationsRef xRelations );
};
/** Describes record identifiers used to create contexts in a binary stream.
If a record is used to start a new context , usually the record identifier
increased by 1 is used to mark the end of this context , e . g . the Excel
record SHEETDATA = = 0 x0091 starts the < sheetData > context , and the record
SHEETDATA_END = = 0 x0092 ends this context . But some records are used to
start a new context , though there is no identifier to end this context ,
e . g . the ROW or EXTROW records . These record identifiers can be marked by
setting the mnEndRecId member of this struct to - 1 .
*/
struct RecordInfo
{
sal_Int32 mnStartRecId; ///< Record identifier for context start.
sal_Int32 mnEndRecId; ///< Record identifier for context end, -1 = no record.
};
typedef ::cppu::ImplInheritanceHelper< ContextHandler, css::xml::sax::XFastDocumentHandler > FragmentHandler_BASE;
class OOX_DLLPUBLIC FragmentHandler : public FragmentHandler_BASE
{
public :
explicit FragmentHandler( XmlFilterBase& rFilter, const OUString& rFragmentPath );
virtual ~FragmentHandler() override;
FragmentHandler(FragmentHandler const &) = default ;
FragmentHandler(FragmentHandler &&) = default ;
FragmentHandler & operator =(FragmentHandler const &) = delete ; // due to ContextHandler
FragmentHandler & operator =(FragmentHandler &&) = delete ; // due to ContextHandler
/** Returns the com.sun.star.xml.sax.XFastContextHandler interface of this context. */
css::uno::Reference< css::xml::sax::XFastContextHandler >
getFastContextHandler() { return static_cast < ContextHandler* >( this ); }
// com.sun.star.xml.sax.XFastDocumentHandler interface --------------------
virtual void SAL_CALL startDocument() override;
virtual void SAL_CALL endDocument() override;
virtual void SAL_CALL processingInstruction( const OUString& rTarget, const OUString& rData ) override;
virtual void SAL_CALL setDocumentLocator( const css::uno::Reference< css::xml::sax::XLocator >& rxLocator ) override;
// com.sun.star.xml.sax.XFastContextHandler interface ---------------------
virtual void SAL_CALL startFastElement( ::sal_Int32 Element, const css::uno::Reference< css::xml::sax::XFastAttributeList >& Attribs ) override;
virtual void SAL_CALL startUnknownElement( const OUString& Namespace , const OUString& Name, const css::uno::Reference< css::xml::sax::XFastAttributeList >& Attribs ) override;
virtual void SAL_CALL endFastElement( ::sal_Int32 Element ) override;
virtual void SAL_CALL endUnknownElement( const OUString& Namespace , const OUString& Name ) override;
virtual css::uno::Reference< css::xml::sax::XFastContextHandler > SAL_CALL createFastChildContext( ::sal_Int32 Element, const css::uno::Reference< css::xml::sax::XFastAttributeList >& Attribs ) override;
virtual css::uno::Reference< css::xml::sax::XFastContextHandler > SAL_CALL createUnknownChildContext( const OUString& Namespace , const OUString& Name, const css::uno::Reference< css::xml::sax::XFastAttributeList >& Attribs ) override;
virtual void SAL_CALL characters( const OUString& aChars ) override;
// XML stream handling ----------------------------------------------------
/** Opens the fragment stream referred by the own fragment path. Derived
classes may provide specialized stream implementations. */
virtual css::uno::Reference< css::io::XInputStream >
openFragmentStream() const ;
// binary records ---------------------------------------------------------
virtual const RecordInfo* getRecordInfos() const ;
protected :
explicit FragmentHandler( XmlFilterBase& rFilter, const OUString& rFragmentPath, RelationsRef xRelations );
};
typedef ::rtl::Reference< FragmentHandler > FragmentHandlerRef;
} // namespace oox::core
#endif
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