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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: mstream.h | |
3 | // Purpose: interface of wxMemoryOutputStream | |
4 | // Author: wxWidgets team | |
5 | // RCS-ID: $Id$ | |
6 | // Licence: wxWindows license | |
7 | ///////////////////////////////////////////////////////////////////////////// | |
8 | ||
9 | /** | |
10 | @class wxMemoryOutputStream | |
11 | @wxheader{mstream.h} | |
12 | ||
13 | ||
14 | @library{wxbase} | |
15 | @category{streams} | |
16 | ||
17 | @see wxStreamBuffer | |
18 | */ | |
19 | class wxMemoryOutputStream : public wxOutputStream | |
20 | { | |
21 | public: | |
22 | /** | |
23 | If @a data is @NULL, then it will initialize a new empty buffer which will | |
24 | grow if required. | |
25 | */ | |
26 | wxMemoryOutputStream(char* data = NULL, size_t length = 0); | |
27 | ||
28 | /** | |
29 | Destructor. | |
30 | */ | |
31 | ~wxMemoryOutputStream(); | |
32 | ||
33 | /** | |
34 | CopyTo allowed you to transfer data from the internal buffer of | |
35 | wxMemoryOutputStream to an external buffer. @a len specifies the size of | |
36 | the buffer. | |
37 | */ | |
38 | size_t CopyTo(char* buffer, size_t len) const; | |
39 | ||
40 | /** | |
41 | Returns the pointer to the stream object used as an internal buffer | |
42 | for that stream. | |
43 | */ | |
44 | wxStreamBuffer* GetOutputStreamBuffer() const; | |
45 | }; | |
46 | ||
47 | ||
48 | ||
49 | /** | |
50 | @class wxMemoryInputStream | |
51 | @wxheader{mstream.h} | |
52 | ||
53 | ||
54 | @library{wxbase} | |
55 | @category{streams} | |
56 | ||
57 | @see wxStreamBuffer, wxMemoryOutputStream | |
58 | */ | |
59 | class wxMemoryInputStream : public wxInputStream | |
60 | { | |
61 | public: | |
62 | //@{ | |
63 | /** | |
64 | Creates a new read-only memory stream, initializing it with the | |
65 | data from the given input stream @e stream. | |
66 | The @a len argument specifies the amount of data to read from | |
67 | the @e stream. Setting it to @e wxInvalidOffset means that | |
68 | the @a stream is to be read entirely (i.e. till the EOF is reached). | |
69 | */ | |
70 | wxMemoryInputStream(const char* data, size_t len); | |
71 | wxMemoryInputStream(const wxMemoryOutputStream& stream); | |
72 | wxMemoryInputStream(wxInputStream& stream, | |
73 | wxFileOffset len = wxInvalidOffset); | |
74 | //@} | |
75 | ||
76 | /** | |
77 | Destructor. | |
78 | */ | |
79 | ~wxMemoryInputStream(); | |
80 | ||
81 | /** | |
82 | Returns the pointer to the stream object used as an internal buffer | |
83 | for that stream. | |
84 | */ | |
85 | wxStreamBuffer* GetInputStreamBuffer() const; | |
86 | }; | |
87 |