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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: zstream.h | |
3 | // Purpose: Memory stream classes | |
4 | // Author: Guilhem Lavaux | |
5 | // Modified by: | |
6 | // Created: 11/07/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Guilhem Lavaux | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | #ifndef _WX_WXZSTREAM_H__ | |
12 | #define _WX_WXZSTREAM_H__ | |
13 | ||
14 | #if defined(__GNUG__) && !defined(__APPLE__) | |
15 | #pragma interface "zstream.h" | |
16 | #endif | |
17 | ||
18 | #include "wx/defs.h" | |
19 | ||
20 | #if wxUSE_ZLIB && wxUSE_STREAMS | |
21 | ||
22 | #include "wx/stream.h" | |
23 | ||
24 | class WXDLLIMPEXP_BASE wxZlibInputStream: public wxFilterInputStream { | |
25 | public: | |
26 | wxZlibInputStream(wxInputStream& stream); | |
27 | virtual ~wxZlibInputStream(); | |
28 | ||
29 | protected: | |
30 | size_t OnSysRead(void *buffer, size_t size); | |
31 | ||
32 | protected: | |
33 | size_t m_z_size; | |
34 | unsigned char *m_z_buffer; | |
35 | struct z_stream_s *m_inflate; | |
36 | ||
37 | DECLARE_NO_COPY_CLASS(wxZlibInputStream) | |
38 | }; | |
39 | ||
40 | class WXDLLIMPEXP_BASE wxZlibOutputStream: public wxFilterOutputStream { | |
41 | public: | |
42 | wxZlibOutputStream(wxOutputStream& stream, int level = -1); | |
43 | virtual ~wxZlibOutputStream(); | |
44 | ||
45 | void Sync(); | |
46 | ||
47 | protected: | |
48 | size_t OnSysWrite(const void *buffer, size_t size); | |
49 | ||
50 | protected: | |
51 | size_t m_z_size; | |
52 | unsigned char *m_z_buffer; | |
53 | struct z_stream_s *m_deflate; | |
54 | ||
55 | DECLARE_NO_COPY_CLASS(wxZlibOutputStream) | |
56 | }; | |
57 | ||
58 | #endif | |
59 | // wxUSE_ZLIB && wxUSE_STREAMS | |
60 | ||
61 | #endif | |
62 | // _WX_WXZSTREAM_H__ | |
63 |