]>
Commit | Line | Data |
---|---|---|
1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: mstream.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 | ||
12 | #ifndef _WX_WXMMSTREAM_H__ | |
13 | #define _WX_WXMMSTREAM_H__ | |
14 | ||
15 | #include "wx/stream.h" | |
16 | ||
17 | #if wxUSE_STREAMS | |
18 | ||
19 | class WXDLLEXPORT wxMemoryInputStream : public wxInputStream | |
20 | { | |
21 | public: | |
22 | wxMemoryInputStream(const char *data, size_t length); | |
23 | virtual ~wxMemoryInputStream(); | |
24 | virtual size_t GetSize() const { return m_length; } | |
25 | virtual bool Eof() const; | |
26 | ||
27 | char Peek(); | |
28 | ||
29 | wxStreamBuffer *InputStreamBuffer() const { return m_i_streambuf; } | |
30 | ||
31 | protected: | |
32 | wxStreamBuffer *m_i_streambuf; | |
33 | ||
34 | size_t OnSysRead(void *buffer, size_t nbytes); | |
35 | off_t OnSysSeek(off_t pos, wxSeekMode mode); | |
36 | off_t OnSysTell() const; | |
37 | ||
38 | private: | |
39 | size_t m_length; | |
40 | }; | |
41 | ||
42 | class WXDLLEXPORT wxMemoryOutputStream : public wxOutputStream | |
43 | { | |
44 | public: | |
45 | wxMemoryOutputStream(char *data = NULL, size_t length = 0); | |
46 | virtual ~wxMemoryOutputStream(); | |
47 | virtual size_t GetSize() const { return m_o_streambuf->GetLastAccess(); } | |
48 | ||
49 | wxStreamBuffer *OutputStreamBuffer() const { return m_o_streambuf; } | |
50 | ||
51 | size_t CopyTo(char *buffer, size_t len) const; | |
52 | ||
53 | protected: | |
54 | wxStreamBuffer *m_o_streambuf; | |
55 | ||
56 | protected: | |
57 | size_t OnSysWrite(const void *buffer, size_t nbytes); | |
58 | off_t OnSysSeek(off_t pos, wxSeekMode mode); | |
59 | off_t OnSysTell() const; | |
60 | }; | |
61 | ||
62 | #endif | |
63 | // wxUSE_STREAMS | |
64 | ||
65 | #endif | |
66 | // _WX_WXMMSTREAM_H__ | |
67 |