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tdf#62525: use cow_wrapper for SvGlobalName

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Convert the pimpled copy-on-write SvGlobalName class to use the
::o3tl::cow_wrapper using the default reference counting policy.

Change-Id: I7bceb06ddfb31ca5901e5e7d5d93dda494db945f
Reviewed-on: https://gerrit.libreoffice.org/18070
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>
Tested-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>
This commit is contained in:
Daniel Robertson
2015-08-27 16:27:33 -04:00
committed by Thorsten Behrens
parent d11715c4c6
commit c1a9d01391
2 changed files with 58 additions and 94 deletions
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58
include/tools/globname.hxx
View File

@@ -23,6 +23,7 @@
#include <tools/toolsdllapi.h>
#include <com/sun/star/uno/Sequence.hxx>
#include <o3tl/cow_wrapper.hxx>
struct SvGUID
{
@@ -35,20 +36,16 @@ struct SvGUID
struct ImpSvGlobalName
{
struct SvGUID szData;
sal_uInt16 nRefCount;
enum Empty { EMPTY };
ImpSvGlobalName(const SvGUID &rData)
: szData(rData)
, nRefCount(0)
{
}
ImpSvGlobalName(sal_uInt32 n1, sal_uInt16 n2, sal_uInt16 n3,
sal_uInt8 b8, sal_uInt8 b9, sal_uInt8 b10, sal_uInt8 b11,
sal_uInt8 b12, sal_uInt8 b13, sal_uInt8 b14, sal_uInt8 b15);
ImpSvGlobalName( const ImpSvGlobalName & rObj );
ImpSvGlobalName( Empty );
ImpSvGlobalName(const SvGUID &rData)
: szData(rData)
{
}
ImpSvGlobalName(sal_uInt32 n1, sal_uInt16 n2, sal_uInt16 n3,
sal_uInt8 b8, sal_uInt8 b9, sal_uInt8 b10, sal_uInt8 b11,
sal_uInt8 b12, sal_uInt8 b13, sal_uInt8 b14, sal_uInt8 b15);
ImpSvGlobalName( const ImpSvGlobalName & rObj );
ImpSvGlobalName();
bool operator == ( const ImpSvGlobalName & rObj ) const;
};
@@ -57,30 +54,26 @@ class SvStream;
class TOOLS_DLLPUBLIC SvGlobalName
{
ImpSvGlobalName * pImp;
void NewImp();
::o3tl::cow_wrapper< ImpSvGlobalName > pImp;
public:
SvGlobalName();
SvGlobalName( const SvGlobalName & rObj )
{
pImp = rObj.pImp;
pImp->nRefCount++;
}
SvGlobalName( ImpSvGlobalName * pImpP )
{
pImp = pImpP;
pImp->nRefCount++;
}
SvGlobalName( sal_uInt32 n1, sal_uInt16 n2, sal_uInt16 n3,
sal_uInt8 b8, sal_uInt8 b9, sal_uInt8 b10, sal_uInt8 b11,
sal_uInt8 b12, sal_uInt8 b13, sal_uInt8 b14, sal_uInt8 b15 );
SvGlobalName();
SvGlobalName( const SvGlobalName & rObj ) :
pImp( rObj.pImp )
{
}
// create SvGlobalName from a platform independent representation
SvGlobalName( const ::com::sun::star::uno::Sequence< sal_Int8 >& aSeq );
SvGlobalName( sal_uInt32 n1, sal_uInt16 n2, sal_uInt16 n3,
sal_uInt8 b8, sal_uInt8 b9, sal_uInt8 b10, sal_uInt8 b11,
sal_uInt8 b12, sal_uInt8 b13, sal_uInt8 b14, sal_uInt8 b15 );
// create SvGlobalName from a platform independent representation
SvGlobalName( const ::com::sun::star::uno::Sequence< sal_Int8 >& aSeq );
SvGlobalName( const SvGUID & rId );
SvGlobalName & operator = ( const SvGlobalName & rObj );
~SvGlobalName();
~SvGlobalName();
TOOLS_DLLPUBLIC friend SvStream & operator >> ( SvStream &, SvGlobalName & );
TOOLS_DLLPUBLIC friend SvStream & WriteSvGlobalName( SvStream &, const SvGlobalName & );
@@ -97,7 +90,6 @@ public:
bool MakeId( const OUString & rId );
OUString GetHexName() const;
SvGlobalName( const SvGUID & rId );
const SvGUID& GetCLSID() const { return pImp->szData; }
// platform independent representation of a "GlobalName"

94
tools/source/ref/globname.cxx
View File

@@ -27,22 +27,19 @@
#include <tools/globname.hxx>
// ImpSvGlobalName ------------------------------------------------------------
ImpSvGlobalName::ImpSvGlobalName( const ImpSvGlobalName & rObj )
: szData(rObj.szData)
, nRefCount(0)
{
}
ImpSvGlobalName::ImpSvGlobalName( Empty )
: nRefCount(1)
ImpSvGlobalName::ImpSvGlobalName()
{
memset( &szData, 0, sizeof( szData ) );
}
ImpSvGlobalName::ImpSvGlobalName( const ImpSvGlobalName & rObj )
: szData(rObj.szData)
{
}
ImpSvGlobalName::ImpSvGlobalName(sal_uInt32 n1, sal_uInt16 n2, sal_uInt16 n3,
sal_uInt8 b8, sal_uInt8 b9, sal_uInt8 b10, sal_uInt8 b11,
sal_uInt8 b12, sal_uInt8 b13, sal_uInt8 b14, sal_uInt8 b15)
: nRefCount(0)
{
szData.Data1 = n1;
szData.Data2 = n2;
@@ -63,53 +60,49 @@ bool ImpSvGlobalName::operator == ( const ImpSvGlobalName & rObj ) const
}
// SvGlobalName ----------------------------------------------------------------
SvGlobalName::SvGlobalName()
SvGlobalName::SvGlobalName() :
pImp()
{
static ImpSvGlobalName aNoName( ImpSvGlobalName::EMPTY );
pImp = &aNoName;
pImp->nRefCount++;
}
SvGlobalName::SvGlobalName( const SvGUID & rId )
SvGlobalName::SvGlobalName( const SvGUID & rId ) :
pImp( ImpSvGlobalName( rId ) )
{
pImp = new ImpSvGlobalName(rId);
pImp->nRefCount++;
}
SvGlobalName::SvGlobalName( sal_uInt32 n1, sal_uInt16 n2, sal_uInt16 n3,
sal_uInt8 b8, sal_uInt8 b9, sal_uInt8 b10, sal_uInt8 b11,
sal_uInt8 b12, sal_uInt8 b13, sal_uInt8 b14, sal_uInt8 b15 )
sal_uInt8 b12, sal_uInt8 b13, sal_uInt8 b14, sal_uInt8 b15 ) :
pImp( ImpSvGlobalName(n1, n2, n3, b8, b9, b10, b11, b12, b13, b14, b15) )
{
pImp = new ImpSvGlobalName(n1, n2, n3, b8, b9, b10, b11, b12, b13, b14, b15);
pImp->nRefCount++;
}
SvGlobalName::SvGlobalName( const com::sun::star::uno::Sequence < sal_Int8 >& aSeq )
{
// create SvGlobalName from a platform independent representation
SvGUID aResult;
memset( &aResult, 0, sizeof( aResult ) );
if ( aSeq.getLength() == 16 )
{
aResult.Data1 = ( ( ( ( ( ( sal_uInt8 )aSeq[0] << 8 ) + ( sal_uInt8 )aSeq[1] ) << 8 ) + ( sal_uInt8 )aSeq[2] ) << 8 ) + ( sal_uInt8 )aSeq[3];
aResult.Data2 = ( ( sal_uInt8 )aSeq[4] << 8 ) + ( sal_uInt8 )aSeq[5];
aResult.Data3 = ( ( sal_uInt8 )aSeq[6] << 8 ) + ( sal_uInt8 )aSeq[7];
for( int nInd = 0; nInd < 8; nInd++ )
aResult.Data4[nInd] = ( sal_uInt8 )aSeq[nInd+8];
}
pImp = ::o3tl::cow_wrapper< ImpSvGlobalName >(aResult);
}
SvGlobalName::~SvGlobalName()
{
pImp->nRefCount--;
if( !pImp->nRefCount )
delete pImp;
}
SvGlobalName & SvGlobalName::operator = ( const SvGlobalName & rObj )
{
rObj.pImp->nRefCount++;
pImp->nRefCount--;
if( !pImp->nRefCount )
delete pImp;
pImp = rObj.pImp;
return *this;
}
void SvGlobalName::NewImp()
{
if( pImp->nRefCount > 1 )
{
pImp->nRefCount--;
pImp = new ImpSvGlobalName( *pImp );
pImp->nRefCount++;
}
return *this;
}
SvStream& WriteSvGlobalName( SvStream& rOStr, const SvGlobalName & rObj )
@@ -123,7 +116,8 @@ SvStream& WriteSvGlobalName( SvStream& rOStr, const SvGlobalName & rObj )
SvStream& operator >> ( SvStream& rStr, SvGlobalName & rObj )
{
rObj.NewImp(); // copy if necessary
// the non-const dereferencing operator
// ensures pImp is unique
rStr.ReadUInt32( rObj.pImp->szData.Data1 );
rStr.ReadUInt16( rObj.pImp->szData.Data2 );
rStr.ReadUInt16( rObj.pImp->szData.Data3 );
@@ -149,8 +143,6 @@ bool SvGlobalName::operator < ( const SvGlobalName & rObj ) const
SvGlobalName & SvGlobalName::operator += ( sal_uInt32 n )
{
NewImp();
sal_uInt32 nOld = pImp->szData.Data1;
pImp->szData.Data1 += n;
@@ -164,12 +156,11 @@ SvGlobalName & SvGlobalName::operator += ( sal_uInt32 n )
bool SvGlobalName::operator == ( const SvGlobalName & rObj ) const
{
return *pImp == *rObj.pImp;
return pImp == rObj.pImp;
}
void SvGlobalName::MakeFromMemory( void * pData )
{
NewImp();
memcpy( &pImp->szData, pData, sizeof( pImp->szData ) );
}
@@ -241,7 +232,6 @@ bool SvGlobalName::MakeId( const OUString & rIdStr )
pStr++;
}
NewImp();
memcpy(&pImp->szData.Data1, &nFirst, sizeof(nFirst));
memcpy(&pImp->szData.Data2, &nSec, sizeof(nSec));
memcpy(&pImp->szData.Data3, &nThird, sizeof(nThird));
@@ -305,22 +295,4 @@ com::sun::star::uno::Sequence < sal_Int8 > SvGlobalName::GetByteSequence() const
return aResult;
}
SvGlobalName::SvGlobalName( const com::sun::star::uno::Sequence < sal_Int8 >& aSeq )
{
// create SvGlobalName from a platform independent representation
SvGUID aResult;
memset( &aResult, 0, sizeof( aResult ) );
if ( aSeq.getLength() == 16 )
{
aResult.Data1 = ( ( ( ( ( ( sal_uInt8 )aSeq[0] << 8 ) + ( sal_uInt8 )aSeq[1] ) << 8 ) + ( sal_uInt8 )aSeq[2] ) << 8 ) + ( sal_uInt8 )aSeq[3];
aResult.Data2 = ( ( sal_uInt8 )aSeq[4] << 8 ) + ( sal_uInt8 )aSeq[5];
aResult.Data3 = ( ( sal_uInt8 )aSeq[6] << 8 ) + ( sal_uInt8 )aSeq[7];
for( int nInd = 0; nInd < 8; nInd++ )
aResult.Data4[nInd] = ( sal_uInt8 )aSeq[nInd+8];
}
pImp = new ImpSvGlobalName(aResult);
pImp->nRefCount++;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */