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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* 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_BASIC_SBXCORE_HXX
#define INCLUDED_BASIC_SBXCORE_HXX
#include <basic/basicdllapi.h>
#include <basic/sbxdef.hxx>
#include <rtl/ustring.hxx>
#include <tools/ref.hxx>
class SvStream;
class ErrCode;
// The following Macro defines four (five) necessary methods within a
// SBX object. LoadPrivateData() and StorePrivateData() must be implemented.
// They are necessary for loading/storing the data of derived classes.
// Load() and Store() must not be overridden.
// This version of the Macros does not define Load/StorePrivateData()-methods
#define SBX_DECL_PERSIST_NODATA( nSbxId, nVer ) \
virtual sal_uInt16 GetVersion() const override { return nVer; } \
virtual sal_uInt16 GetSbxId() const override { return nSbxId; }
class SbxFactory;
class SbxObject;
class SbxBase;
typedef tools::SvRef<SbxBase> SbxBaseRef;
typedef tools::SvRef<SbxObject> SbxObjectRef;
class BASIC_DLLPUBLIC SbxBase : virtual public SvRefBase
{
virtual bool LoadData( SvStream&, sal_uInt16 ) = 0;
virtual std::pair<bool, sal_uInt32> StoreData( SvStream& ) const = 0;
protected:
SbxFlagBits nFlags; // Flag-Bits
SbxBase();
SbxBase( const SbxBase& );
SbxBase& operator=( const SbxBase& );
virtual ~SbxBase() override;
virtual sal_uInt16 GetVersion() const = 0;
virtual sal_uInt16 GetSbxId() const = 0;
public:
inline void SetFlags( SbxFlagBits n );
inline SbxFlagBits GetFlags() const;
inline void SetFlag( SbxFlagBits n );
inline void ResetFlag( SbxFlagBits n );
inline bool IsSet( SbxFlagBits n ) const;
inline bool IsReset( SbxFlagBits n ) const;
inline bool CanRead() const;
inline bool CanWrite() const;
inline bool IsModified() const;
inline bool IsHidden() const;
inline bool IsVisible() const;
virtual bool IsFixed() const;
virtual void SetModified( bool );
virtual SbxDataType GetType() const;
virtual void Clear() = 0;
static SbxBaseRef Load( SvStream& );
std::pair<bool, sal_uInt32> Store( SvStream& );
virtual bool LoadCompleted();
static ErrCode const & GetError();
static OUString const& GetErrorMsg();
static void SetError( ErrCode );
static void SetError(ErrCode, const OUString&);
static bool IsError();
static void ResetError();
// Set the factory for Load/Store/Create
static void AddFactory( SbxFactory* );
static void RemoveFactory( SbxFactory const * );
static SbxBaseRef Create( sal_uInt16, sal_uInt32 );
static SbxObjectRef CreateObject( const OUString& );
};
inline void SbxBase::SetFlags( SbxFlagBits n )
{ nFlags = n; }
inline SbxFlagBits SbxBase::GetFlags() const
{ return nFlags; }
inline void SbxBase::SetFlag( SbxFlagBits n )
{ nFlags |= n; }
inline void SbxBase::ResetFlag( SbxFlagBits n )
{ nFlags &= ~n; }
inline bool SbxBase::IsSet( SbxFlagBits n ) const
{ return ( nFlags & n ) != SbxFlagBits::NONE; }
inline bool SbxBase::IsReset( SbxFlagBits n ) const
{ return ( nFlags & n ) == SbxFlagBits::NONE; }
inline bool SbxBase::CanRead() const
{ return IsSet( SbxFlagBits::Read ); }
inline bool SbxBase::CanWrite() const
{ return IsSet( SbxFlagBits::Write ); }
inline bool SbxBase::IsModified() const
{ return IsSet( SbxFlagBits::Modified ); }
inline bool SbxBase::IsHidden() const
{ return IsSet( SbxFlagBits::Hidden ); }
inline bool SbxBase::IsVisible() const
{ return IsReset( SbxFlagBits::Invisible ); }
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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