| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: zipstream.h |
| 3 | // Purpose: wxZipInputStream for reading files from ZIP archive |
| 4 | // Author: Vaclav Slavik |
| 5 | // Copyright: (c) 1999 Vaclav Slavik |
| 6 | // Licence: wxWindows Licence |
| 7 | ///////////////////////////////////////////////////////////////////////////// |
| 8 | |
| 9 | #ifndef __ZIPSTREAM_H__ |
| 10 | #define __ZIPSTREAM_H__ |
| 11 | |
| 12 | #ifdef __GNUG__ |
| 13 | #pragma interface "zipstrm.h" |
| 14 | #endif |
| 15 | |
| 16 | #include "wx/defs.h" |
| 17 | |
| 18 | #if wxUSE_STREAMS && wxUSE_ZIPSTREAM && wxUSE_ZLIB |
| 19 | |
| 20 | #include "wx/stream.h" |
| 21 | |
| 22 | //-------------------------------------------------------------------------------- |
| 23 | // wxZipInputStream |
| 24 | // This class is input stream from ZIP archive. The archive |
| 25 | // must be local file (accessible via FILE*) |
| 26 | //-------------------------------------------------------------------------------- |
| 27 | |
| 28 | |
| 29 | class WXDLLEXPORT wxZipInputStream : public wxInputStream |
| 30 | { |
| 31 | public: |
| 32 | wxZipInputStream(const wxString& archive, const wxString& file); |
| 33 | // archive is name of .zip archive, file is name of file to be extracted. |
| 34 | // Remember that archive must be local file accesible via fopen, fread functions! |
| 35 | ~wxZipInputStream(); |
| 36 | |
| 37 | virtual size_t GetSize() const {return m_Size;} |
| 38 | virtual bool Eof() const; |
| 39 | |
| 40 | protected: |
| 41 | virtual size_t OnSysRead(void *buffer, size_t bufsize); |
| 42 | virtual off_t OnSysSeek(off_t seek, wxSeekMode mode); |
| 43 | virtual off_t OnSysTell() const {return m_Pos;} |
| 44 | |
| 45 | private: |
| 46 | size_t m_Size; |
| 47 | off_t m_Pos; |
| 48 | |
| 49 | // this void* is handle of archive . I'm sorry it is void and not proper |
| 50 | // type but I don't want to make unzip.h header public. |
| 51 | void *m_Archive; |
| 52 | }; |
| 53 | |
| 54 | |
| 55 | #endif |
| 56 | // wxUSE_STREAMS && wxUSE_ZIPSTREAM && wxUSE_ZLIB |
| 57 | |
| 58 | #endif |
| 59 | // __ZIPSTREAM_H__ |