wxWidgets/include/wx/zipstrm.h
2004-09-26 13:18:46 +00:00

62 lines
1.9 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: zipstream.h
// Purpose: wxZipInputStream for reading files from ZIP archive
// Author: Vaclav Slavik
// Copyright: (c) 1999 Vaclav Slavik
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef __ZIPSTREAM_H__
#define __ZIPSTREAM_H__
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface "zipstrm.h"
#endif
#include "wx/defs.h"
#if wxUSE_STREAMS && wxUSE_ZIPSTREAM && wxUSE_ZLIB
#include "wx/stream.h"
//--------------------------------------------------------------------------------
// wxZipInputStream
// This class is input stream from ZIP archive. The archive
// must be local file (accessible via FILE*)
//--------------------------------------------------------------------------------
class WXDLLIMPEXP_BASE wxZipInputStream : public wxInputStream
{
public:
wxZipInputStream(const wxString& archive, const wxString& file);
// archive is name of .zip archive, file is name of file to be extracted.
// Remember that archive must be local file accesible via fopen, fread functions!
~wxZipInputStream();
virtual size_t GetSize() const {return m_Size;}
virtual bool Eof() const;
protected:
virtual size_t OnSysRead(void *buffer, size_t bufsize);
virtual wxFileOffset OnSysSeek(wxFileOffset seek, wxSeekMode mode);
virtual wxFileOffset OnSysTell() const {return m_Pos;}
private:
size_t m_Size;
wxFileOffset m_Pos;
// this void* is handle of archive . I'm sorry it is void and not proper
// type but I don't want to make unzip.h header public.
void *m_Archive;
DECLARE_NO_COPY_CLASS(wxZipInputStream)
};
#endif
// wxUSE_STREAMS && wxUSE_ZIPSTREAM && wxUSE_ZLIB
#endif
// __ZIPSTREAM_H__