svtools/inc/instrm.hxx

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  30
  31 #ifndef SVTOOLS_INSTRM_HXX
  32 #define SVTOOLS_INSTRM_HXX
  33
  34 #include "svtools/svldllapi.h"
  35 #include <com/sun/star/uno/Reference.h>
  36 #include <tools/stream.hxx>
  37
  38 namespace com { namespace sun { namespace star { namespace io {
  39     class XInputStream;
  40     class XSeekable;
  41 } } } }
  42
  43 class SvDataPipe_Impl;
  44
  45 //============================================================================
  46 class SVL_DLLPUBLIC SvInputStream: public SvStream
  47 {
  48     com::sun::star::uno::Reference< com::sun::star::io::XInputStream >
  49         m_xStream;
  50     com::sun::star::uno::Reference< com::sun::star::io::XSeekable >
  51         m_xSeekable;
  52     SvDataPipe_Impl * m_pPipe;
  53     ULONG m_nSeekedFrom;
  54
  55     SVL_DLLPRIVATE bool open();
  56
  57     SVL_DLLPRIVATE virtual ULONG GetData(void * pData, ULONG nSize);
  58
  59     SVL_DLLPRIVATE virtual ULONG PutData(void const *, ULONG);
  60
  61     SVL_DLLPRIVATE virtual ULONG SeekPos(ULONG nPos);
  62
  63     SVL_DLLPRIVATE virtual void FlushData();
  64
  65     SVL_DLLPRIVATE virtual void SetSize(ULONG);
  66
  67 public:
  68     SvInputStream(
  69         com::sun::star::uno::Reference< com::sun::star::io::XInputStream >
  70                 const &
  71             rTheStream);
  72
  73     virtual ~SvInputStream();
  74
  75     virtual USHORT IsA() const;
  76
  77     virtual void AddMark(ULONG nPos);
  78
  79     virtual void RemoveMark(ULONG nPos);
  80 };
  81
  82 #endif // SVTOOLS_INSTRM_HXX
  83