office-gobmx/include/svl/poolitem.hxx
Stephan Bergmann 362d4f0cd4 Explicitly mark overriding destructors as "virtual"
It appears that the C++ standard allows overriding destructors to be marked
"override," but at least some MSVC versions complain about it, so at least make
sure such destructors are explicitly marked "virtual."

Change-Id: I0e1cafa7584fd16ebdce61f569eae2373a71b0a1
2014-04-01 19:22:54 +02:00

400 lines
12 KiB
C++

/* -*- 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_SVL_POOLITEM_HXX
#define INCLUDED_SVL_POOLITEM_HXX
#include <svl/svldllapi.h>
#include <com/sun/star/uno/Any.hxx>
#include <sal/config.h>
#include <tools/rtti.hxx>
#include <limits.h>
#include <tools/solar.h>
#include <tools/debug.hxx>
#include <svl/hint.hxx>
typedef long SfxArgumentError;
class SbxVariable;
class SbxObject;
class SvStream;
class Color;
class IntlWrapper;
namespace com { namespace sun { namespace star { namespace uno { class Any; } } } }
static const sal_uInt32 SFX_ITEMS_DIRECT= 0xffffffff;
static const sal_uInt32 SFX_ITEMS_NULL= 0xfffffff0; // instead StoreSurrogate
static const sal_uInt32 SFX_ITEMS_DEFAULT= 0xfffffffe;
#define SFX_ITEMS_POOLDEFAULT 0xffff
#define SFX_ITEMS_STATICDEFAULT 0xfffe
#define SFX_ITEMS_DELETEONIDLE 0xfffd
#define SFX_ITEMS_OLD_MAXREF 0xffef
#define SFX_ITEMS_MAXREF 0xfffffffe
#define SFX_ITEMS_SPECIAL 0xffffffff
#define CONVERT_TWIPS 0x80 //Uno-Konvertierung fuer Massangaben (fuer MemberId)
// UNO3 shortcuts
// warning, if there is no boolean inside the any this will always return the value false
inline bool Any2Bool( const ::com::sun::star::uno::Any&rValue )
{
bool nValue = false;
if( rValue.hasValue() )
{
if( rValue.getValueType() == ::getCppuBooleanType() )
{
nValue = *(sal_Bool*)rValue.getValue();
}
else
{
sal_Int32 nNum = 0;
if( rValue >>= nNum )
nValue = nNum != 0;
}
}
return nValue;
}
inline ::com::sun::star::uno::Any Bool2Any( bool bValue )
{
return ::com::sun::star::uno::Any( &bValue, ::getCppuBooleanType() );
}
//! Notloesung!!!
enum SfxFieldUnit
{
SFX_FUNIT_NONE, SFX_FUNIT_MM, SFX_FUNIT_CM, SFX_FUNIT_M, SFX_FUNIT_KM,
SFX_FUNIT_TWIP, SFX_FUNIT_POINT, SFX_FUNIT_PICA,
SFX_FUNIT_INCH, SFX_FUNIT_FOOT, SFX_FUNIT_MILE, SFX_FUNIT_CHAR, SFX_FUNIT_LINE, SFX_FUNIT_CUSTOM
};
enum SfxMapUnit
{
SFX_MAPUNIT_100TH_MM,
SFX_MAPUNIT_10TH_MM,
SFX_MAPUNIT_MM,
SFX_MAPUNIT_CM,
SFX_MAPUNIT_1000TH_INCH,
SFX_MAPUNIT_100TH_INCH,
SFX_MAPUNIT_10TH_INCH,
SFX_MAPUNIT_INCH,
SFX_MAPUNIT_POINT,
SFX_MAPUNIT_TWIP,
SFX_MAPUNIT_PIXEL,
SFX_MAPUNIT_SYSFONT,
SFX_MAPUNIT_APPFONT,
SFX_MAPUNIT_RELATIVE,
SFX_MAPUNIT_ABSOLUTE
};
enum SfxItemPresentation
/* [Beschreibung]
Die Werte dieses Enums bezeichnen den Grad der textuellen
Presentation eines Items nach Aufruf der virtuellen Methode
<SfxPoolItem::GetPresentation()const>.
*/
{
SFX_ITEM_PRESENTATION_NONE,
SFX_ITEM_PRESENTATION_NAMEONLY,
SFX_ITEM_PRESENTATION_NAMELESS,
SFX_ITEM_PRESENTATION_COMPLETE
};
typedef sal_uInt16 SfxItemState;
#define SFX_ITEM_UNKNOWN 0x0000
#define SFX_ITEM_DISABLED 0x0001
#define SFX_ITEM_READONLY 0x0002
#define SFX_ITEM_DONTCARE 0x0010
#define SFX_ITEM_DEFAULT 0x0020
#define SFX_ITEM_SET 0x0030
// old stuff - dont use!!!
#define SFX_ITEM_AVAILABLE SFX_ITEM_DEFAULT
#define SFX_ITEM_OFF SFX_ITEM_DEFAULT
#define SFX_ITEM_ON SFX_ITEM_SET
class SvXMLUnitConverter;
class SfxItemPool;
class SfxItemSet;
class SVL_DLLPUBLIC SfxPoolItem
{
friend class SfxItemPool;
friend class SfxItemDesruptor_Impl;
friend class SfxItemPoolCache;
friend class SfxItemSet;
friend class SfxVoidItem;
sal_uLong m_nRefCount;
sal_uInt16 m_nWhich;
sal_uInt16 m_nKind;
private:
inline void SetRefCount( sal_uLong n );
inline void SetKind( sal_uInt16 n );
public:
inline sal_uLong AddRef( sal_uLong n = 1 ) const;
private:
inline sal_uLong ReleaseRef( sal_uLong n = 1 ) const;
SVL_DLLPRIVATE long Delete_Impl(void*);
protected:
explicit SfxPoolItem( sal_uInt16 nWhich = 0 );
SfxPoolItem( const SfxPoolItem& );
public:
TYPEINFO();
virtual ~SfxPoolItem();
void SetWhich( sal_uInt16 nId ) { m_nWhich = nId; }
sal_uInt16 Which() const { return m_nWhich; }
virtual bool operator==( const SfxPoolItem& ) const = 0;
bool operator!=( const SfxPoolItem& rItem ) const
{ return !(*this == rItem); }
virtual int Compare( const SfxPoolItem &rWith ) const;
virtual int Compare( const SfxPoolItem &rWith, const IntlWrapper& rIntlWrapper ) const;
virtual SfxItemPresentation GetPresentation( SfxItemPresentation ePresentation,
SfxMapUnit eCoreMetric,
SfxMapUnit ePresentationMetric,
OUString &rText,
const IntlWrapper * pIntlWrapper = 0 ) const;
virtual sal_uInt16 GetVersion( sal_uInt16 nFileFormatVersion ) const;
virtual bool ScaleMetrics( long lMult, long lDiv );
virtual bool HasMetrics() const;
virtual bool QueryValue( com::sun::star::uno::Any& rVal, sal_uInt8 nMemberId = 0 ) const;
virtual bool PutValue( const com::sun::star::uno::Any& rVal, sal_uInt8 nMemberId = 0 );
virtual SfxPoolItem* Create( SvStream &, sal_uInt16 nItemVersion ) const;
virtual SvStream& Store( SvStream &, sal_uInt16 nItemVersion ) const;
virtual SfxPoolItem* Clone( SfxItemPool *pPool = 0 ) const = 0;
sal_uLong GetRefCount() const { return m_nRefCount; }
inline sal_uInt16 GetKind() const { return m_nKind; }
/** Read in a Unicode string from a streamed byte string representation.
@param rStream Some (input) stream. Its Stream/TargetCharSets must
be set to correct values!
@return On success, returns the reconstructed Unicode string.
*/
static OUString readByteString(SvStream & rStream);
/** Write a byte string representation of a Unicode string into a stream.
@param rStream Some (output) stream. Its Stream/TargetCharSets must
be set to correct values!
@param rString Some Unicode string.
*/
static void writeByteString(SvStream & rStream,
const OUString& rString);
/** Read in a Unicode string from either a streamed Unicode or byte string
representation.
@param rStream Some (input) stream. If bUnicode is false, its
Stream/TargetCharSets must be set to correct values!
@param bUnicode Whether to read in a stream Unicode (true) or byte
string (false) representation.
@return On success, returns the reconstructed Unicode string.
*/
static OUString readUnicodeString(SvStream & rStream, bool bUnicode);
/** Write a Unicode string representation of a Unicode string into a
stream.
@param rStream Some (output) stream.
@param rString Some Unicode string.
*/
static void writeUnicodeString(SvStream & rStream,
const OUString& rString);
private:
SfxPoolItem& operator=( const SfxPoolItem& ); // n.i.!!
};
inline void SfxPoolItem::SetRefCount( sal_uLong n )
{
m_nRefCount = n;
m_nKind = 0;
}
inline void SfxPoolItem::SetKind( sal_uInt16 n )
{
m_nRefCount = SFX_ITEMS_SPECIAL;
m_nKind = n;
}
inline sal_uLong SfxPoolItem::AddRef( sal_uLong n ) const
{
DBG_ASSERT(m_nRefCount <= SFX_ITEMS_MAXREF, "AddRef with non-Pool-Item");
DBG_ASSERT(ULONG_MAX - m_nRefCount > n, "AddRef: refcount overflow");
return (const_cast<SfxPoolItem *>(this)->m_nRefCount += n);
}
inline sal_uLong SfxPoolItem::ReleaseRef( sal_uLong n ) const
{
DBG_ASSERT(m_nRefCount <= SFX_ITEMS_MAXREF, "AddRef with non-Pool-Item");
DBG_ASSERT(m_nRefCount >= n, "AddRef: refcount underflow");
const_cast<SfxPoolItem *>(this)->m_nRefCount -= n;
return m_nRefCount;
}
inline bool IsPoolDefaultItem(const SfxPoolItem *pItem )
{
return pItem && pItem->GetKind() == SFX_ITEMS_POOLDEFAULT;
}
inline bool IsStaticDefaultItem(const SfxPoolItem *pItem )
{
return pItem && pItem->GetKind() == SFX_ITEMS_STATICDEFAULT;
}
inline bool IsDefaultItem( const SfxPoolItem *pItem )
{
return pItem && pItem->GetKind() >= SFX_ITEMS_STATICDEFAULT;
}
inline bool IsPooledItem( const SfxPoolItem *pItem )
{
return pItem && pItem->GetRefCount() > 0 && pItem->GetRefCount() <= SFX_ITEMS_MAXREF;
}
inline bool IsInvalidItem(const SfxPoolItem *pItem)
{
return pItem == (SfxPoolItem *)-1;
}
class SVL_DLLPUBLIC SfxVoidItem: public SfxPoolItem
{
SfxVoidItem & operator=( const SfxVoidItem& ); // not implemented.
public:
TYPEINFO_OVERRIDE();
explicit SfxVoidItem( sal_uInt16 nWhich );
SfxVoidItem( sal_uInt16 nWhich, SvStream & );
SfxVoidItem( const SfxVoidItem& );
virtual ~SfxVoidItem();
virtual bool operator==( const SfxPoolItem& ) const SAL_OVERRIDE;
virtual SfxItemPresentation GetPresentation( SfxItemPresentation ePres,
SfxMapUnit eCoreMetric,
SfxMapUnit ePresMetric,
OUString &rText,
const IntlWrapper * = 0 ) const SAL_OVERRIDE;
// von sich selbst eine Kopie erzeugen
virtual SfxPoolItem* Clone( SfxItemPool *pPool = 0 ) const SAL_OVERRIDE;
void SetWhich(sal_uInt16 nWh) { m_nWhich = nWh; }
};
class SVL_DLLPUBLIC SfxSetItem: public SfxPoolItem
{
SfxItemSet *pSet;
SfxSetItem & operator=( const SfxSetItem& ); // not implemented.
public:
TYPEINFO_OVERRIDE();
SfxSetItem( sal_uInt16 nWhich, SfxItemSet *pSet );
SfxSetItem( sal_uInt16 nWhich, const SfxItemSet &rSet );
SfxSetItem( const SfxSetItem&, SfxItemPool *pPool = 0 );
virtual ~SfxSetItem();
virtual bool operator==( const SfxPoolItem& ) const SAL_OVERRIDE;
virtual SfxItemPresentation GetPresentation( SfxItemPresentation ePres,
SfxMapUnit eCoreMetric,
SfxMapUnit ePresMetric,
OUString &rText,
const IntlWrapper * = 0 ) const SAL_OVERRIDE;
// von sich selbst eine Kopie erzeugen
virtual SfxPoolItem* Clone( SfxItemPool *pPool = 0 ) const SAL_OVERRIDE = 0;
virtual SfxPoolItem* Create(SvStream &, sal_uInt16 nVersion) const SAL_OVERRIDE = 0;
virtual SvStream& Store(SvStream &, sal_uInt16 nVer) const SAL_OVERRIDE;
const SfxItemSet& GetItemSet() const
{ return *pSet; }
SfxItemSet& GetItemSet()
{ return *pSet; }
};
// Handle Klasse fuer PoolItems
class SVL_DLLPUBLIC SfxItemHandle
{
sal_uInt16 *pRef;
SfxPoolItem *pItem;
public:
explicit SfxItemHandle( SfxPoolItem& );
SfxItemHandle( const SfxItemHandle& );
~SfxItemHandle();
const SfxItemHandle &operator=(const SfxItemHandle &);
const SfxPoolItem &GetItem() const { return *pItem; }
};
DECL_PTRHINT(SVL_DLLPUBLIC, SfxPoolItemHint, SfxPoolItem);
#endif // INCLUDED_SVL_POOLITEM_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */