lotuswordpro/inc/lwpsvstream.hxx

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  32  *  Sun Industry Standards Source License Version 1.1
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  56 #ifndef INCLUDED_LOTUSWORDPRO_INC_LWPSVSTREAM_HXX
  57 #define INCLUDED_LOTUSWORDPRO_INC_LWPSVSTREAM_HXX
  58
  59 #include <config_lgpl.h>
  60
  61 #include <sal/types.h>
  62
  63 class SvStream;
  64
  65 /**
  66  * @brief   encapsulate XInputStream to provide SvStream like interfaces
  67 */
  68 class LwpSvStream
  69 {
  70 public:
  71     LwpSvStream(SvStream* pStream, LwpSvStream* pCompressed = nullptr);
  72     size_t Read(void* bytes, size_t nBytesToRead);
  73     void SeekRel(sal_Int64 pos);
  74     sal_Int64 Tell();
  75     sal_Int64 Seek(sal_Int64 pos);
  76     bool CheckSeek(sal_Int64 pos);
  77
  78     LwpSvStream& ReadUInt8(sal_uInt8& rUInt8);
  79     LwpSvStream& ReadUInt16(sal_uInt16& rUInt16);
  80     LwpSvStream& ReadUInt32(sal_uInt32& rUInt32);
  81
  82     static const sal_uInt32 LWP_STREAM_BASE;
  83
  84     LwpSvStream* GetCompressedStream() { return m_pCompressedStream; };
  85     SvStream* GetStream() { return m_pStream; }
  86
  87 private:
  88     // when the file opened is small file, m_pStream is the decompressed stream
  89     // when not, m_pStream contains the normal stream
  90     SvStream* m_pStream;
  91
  92     // when the file opened is small file, this stream is for saving the
  93     // compressed stream which is to be used for Chart/OLE as BENTO container
  94     LwpSvStream* m_pCompressedStream;
  95 };
  96 #endif
  97
  98 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */