tools: remove unused SvStream::IsA() and associated ID_*STREAM macros

Change-Id: I6ed0991fb5bd1d5085ee1b93323b57b1afc69860

include/svl/instrm.hxx

@@ -61,8 +61,6 @@ public:
 
     virtual ~SvInputStream();
 
-    virtual sal_uInt16 IsA() const SAL_OVERRIDE;
-
     virtual void AddMark(sal_uLong nPos);
 
     virtual void RemoveMark(sal_uLong nPos);

include/svl/outstrm.hxx

@@ -50,8 +50,6 @@ public:
                        rTheStream);
 
     virtual ~SvOutputStream();
-
-    virtual sal_uInt16 IsA() const SAL_OVERRIDE;
 };
 
 #endif // INCLUDED_SVL_OUTSTRM_HXX

include/tools/pstm.hxx

@@ -215,7 +215,6 @@ public:
 
     void                SetStream( SvStream * pStream );
     SvStream *          GetStream() const { return pStm; }
-    virtual sal_uInt16  IsA() const SAL_OVERRIDE;
 
     SvPersistBase *     GetObject( sal_uIntPtr nIdx ) const;
     sal_uIntPtr         GetIndex( SvPersistBase * ) const;

include/tools/stream.hxx

@@ -79,13 +79,6 @@ typedef sal_uInt16 StreamMode;
 #define COMPRESSMODE_ZBITMAP            (sal_uInt16)0x0001
 #define COMPRESSMODE_NATIVE             (sal_uInt16)0x0010
 
-#define ID_STREAM                       1
-#define ID_FILESTREAM                   2
-#define ID_MEMORYSTREAM                 3
-#define ID_SHAREDMEMORYSTREAM           4
-#define ID_STORAGESTREAM                5
-#define ID_PERSISTSTREAM                6
-
 class SvStream;
 
 typedef SvStream& (*SvStrPtr)( SvStream& );
@@ -455,7 +448,6 @@ public:
 
     bool            IsWritable() const { return bIsWritable; }
     StreamMode      GetStreamMode() const { return eStreamMode; }
-    virtual sal_uInt16 IsA() const;
 
     long            GetVersion() { return nVersion; }
     void            SetVersion( long n ) { nVersion = n; }
@@ -678,7 +670,6 @@ public:
     void            Close();
     bool            IsOpen() const { return bIsOpen; }
     bool            IsLocked() const { return ( nLockCounter!=0 ); }
-    virtual sal_uInt16 IsA() const SAL_OVERRIDE;
 
     const OUString& GetFileName() const { return aFilename; }
 };
@@ -737,7 +728,6 @@ public:
     sal_Size        GetEndOfData() const { return nEndOfData; }
     const void*     GetData() { Flush(); return pBuf; }
     operator const  void*() { Flush(); return pBuf; }
-    virtual sal_uInt16  IsA() const SAL_OVERRIDE;
 
     void*           SwitchBuffer( sal_Size nInitSize=512, sal_Size nResize=64 );
     void*           SetBuffer( void* pBuf, sal_Size nSize,

svl/source/misc/strmadpt.cxx

@@ -646,12 +646,6 @@ SvInputStream::~SvInputStream()
     delete m_pPipe;
 }
 
-// virtual
-sal_uInt16 SvInputStream::IsA() const
-{
-    return 0;
-}
-
 // virtual
 void SvInputStream::AddMark(sal_uLong nPos)
 {
@@ -763,12 +757,6 @@ SvOutputStream::~SvOutputStream()
     }
 }
 
-// virtual
-sal_uInt16 SvOutputStream::IsA() const
-{
-    return 0;
-}
-
 
 //  SvDataPipe_Impl
 

tools/source/ref/pstm.cxx

@@ -182,17 +182,6 @@ void SvPersistStream::SetStream( SvStream * pStream )
     }
 }
 
-/** Returns the identifier of this stream class.
-
-    @return ID_PERSISTSTREAM
-
-    @see SvStream::IsA
-*/
-sal_uInt16 SvPersistStream::IsA() const
-{
-    return ID_PERSISTSTREAM;
-}
-
 void SvPersistStream::ResetError()
 {
     SvStream::ResetError();

tools/source/stream/stream.cxx

@@ -431,11 +431,6 @@ SvStream::~SvStream()
         delete[] pRWBuf;
 }
 
-sal_uInt16 SvStream::IsA() const
-{
-    return (sal_uInt16)ID_STREAM;
-}
-
 void SvStream::ClearError()
 {
     bIsEof = false;
@@ -1726,11 +1721,6 @@ SvMemoryStream::~SvMemoryStream()
     }
 }
 
-sal_uInt16 SvMemoryStream::IsA() const
-{
-    return (sal_uInt16)ID_MEMORYSTREAM;
-}
-
 const void* SvMemoryStream::GetBuffer()
 {
     Flush();

tools/source/stream/strmunx.cxx

@@ -306,11 +306,6 @@ SvFileStream::~SvFileStream()
         delete pInstanceData;
 }
 
-sal_uInt16 SvFileStream::IsA() const
-{
-    return ID_FILESTREAM;
-}
-
 sal_Size SvFileStream::GetData( void* pData, sal_Size nSize )
 {
 #ifdef DBG_UTIL

tools/source/stream/strmwnt.cxx

@@ -133,11 +133,6 @@ SvFileStream::~SvFileStream()
         delete pInstanceData;
 }
 
-sal_uInt16 SvFileStream::IsA() const
-{
-    return ID_FILESTREAM;
-}
-
 /// Does not check for EOF, makes isEof callable
 sal_Size SvFileStream::GetData( void* pData, sal_Size nSize )
 {