1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/********************************************************************************
* *
* M e m o r y S t r e a m C l a s s e s *
* *
*********************************************************************************
* Copyright (C) 1997,2022 by Jeroen van der Zijp. All Rights Reserved. *
*********************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/> *
********************************************************************************/
#ifndef FXMEMORYSTREAM_H
#define FXMEMORYSTREAM_H
#ifndef FXSTREAM_H
#include "FXStream.h"
#endif
namespace FX {
/// Memory Store Definition
class FXAPI FXMemoryStream : public FXStream {
protected:
virtual FXuval writeBuffer(FXuval count);
virtual FXuval readBuffer(FXuval count);
private:
FXMemoryStream(const FXMemoryStream&);
FXMemoryStream &operator=(const FXMemoryStream&);
public:
/// Create memory stream
FXMemoryStream(const FXObject* cont=nullptr);
/// Create and open memory stream
FXMemoryStream(FXStreamDirection save_or_load,FXuchar* data=nullptr,FXuval size=~0UL,FXbool owned=false);
/**
* Open memory stream.
* When reading from the data buffer, the size parameter is optional. If not given,
* the reader will need to know when to stop reading by some other means, like end-of-file
* markers in the data. When writing, the size parameter must be set to reflect the actual
* buffer size, and should be at least 16.
* If the owned flag is true, the stream becomes the owner of the data buffer; otherwise,
* the stream will not delete the buffer.
* Passing NULL for the data buffer will cause the stream to allocate a buffer of the
* given size.
*/
FXbool open(FXStreamDirection save_or_load,FXuchar* data=nullptr,FXuval size=~0UL,FXbool owned=false);
/// Take buffer away from stream
void takeBuffer(FXuchar*& data,FXuval& size);
/// Give buffer to stream, making it the owner of this buffer
void giveBuffer(FXuchar *data,FXuval size);
/// Get position
FXlong position() const { return FXStream::position(); }
/// Move to position
virtual FXbool position(FXlong offset,FXWhence whence=FXFromStart);
/// Save single items to stream
FXMemoryStream& operator<<(const FXuchar& v){ FXStream::operator<<(v); return *this; }
FXMemoryStream& operator<<(const FXchar& v){ FXStream::operator<<(v); return *this; }
FXMemoryStream& operator<<(const FXbool& v){ FXStream::operator<<(v); return *this; }
FXMemoryStream& operator<<(const FXushort& v){ FXStream::operator<<(v); return *this; }
FXMemoryStream& operator<<(const FXshort& v){ FXStream::operator<<(v); return *this; }
FXMemoryStream& operator<<(const FXuint& v){ FXStream::operator<<(v); return *this; }
FXMemoryStream& operator<<(const FXint& v){ FXStream::operator<<(v); return *this; }
FXMemoryStream& operator<<(const FXfloat& v){ FXStream::operator<<(v); return *this; }
FXMemoryStream& operator<<(const FXdouble& v){ FXStream::operator<<(v); return *this; }
FXMemoryStream& operator<<(const FXlong& v){ FXStream::operator<<(v); return *this; }
FXMemoryStream& operator<<(const FXulong& v){ FXStream::operator<<(v); return *this; }
/// Save arrays of items to stream
FXMemoryStream& save(const FXuchar* p,FXuval n){ FXStream::save(p,n); return *this; }
FXMemoryStream& save(const FXchar* p,FXuval n){ FXStream::save(p,n); return *this; }
FXMemoryStream& save(const FXbool* p,FXuval n){ FXStream::save(p,n); return *this; }
FXMemoryStream& save(const FXushort* p,FXuval n){ FXStream::save(p,n); return *this; }
FXMemoryStream& save(const FXshort* p,FXuval n){ FXStream::save(p,n); return *this; }
FXMemoryStream& save(const FXuint* p,FXuval n){ FXStream::save(p,n); return *this; }
FXMemoryStream& save(const FXint* p,FXuval n){ FXStream::save(p,n); return *this; }
FXMemoryStream& save(const FXfloat* p,FXuval n){ FXStream::save(p,n); return *this; }
FXMemoryStream& save(const FXdouble* p,FXuval n){ FXStream::save(p,n); return *this; }
FXMemoryStream& save(const FXlong* p,FXuval n){ FXStream::save(p,n); return *this; }
FXMemoryStream& save(const FXulong* p,FXuval n){ FXStream::save(p,n); return *this; }
/// Load single items from stream
FXMemoryStream& operator>>(FXuchar& v){ FXStream::operator>>(v); return *this; }
FXMemoryStream& operator>>(FXchar& v){ FXStream::operator>>(v); return *this; }
FXMemoryStream& operator>>(FXbool& v){ FXStream::operator>>(v); return *this; }
FXMemoryStream& operator>>(FXushort& v){ FXStream::operator>>(v); return *this; }
FXMemoryStream& operator>>(FXshort& v){ FXStream::operator>>(v); return *this; }
FXMemoryStream& operator>>(FXuint& v){ FXStream::operator>>(v); return *this; }
FXMemoryStream& operator>>(FXint& v){ FXStream::operator>>(v); return *this; }
FXMemoryStream& operator>>(FXfloat& v){ FXStream::operator>>(v); return *this; }
FXMemoryStream& operator>>(FXdouble& v){ FXStream::operator>>(v); return *this; }
FXMemoryStream& operator>>(FXlong& v){ FXStream::operator>>(v); return *this; }
FXMemoryStream& operator>>(FXulong& v){ FXStream::operator>>(v); return *this; }
/// Load arrays of items from stream
FXMemoryStream& load(FXuchar* p,FXuval n){ FXStream::load(p,n); return *this; }
FXMemoryStream& load(FXchar* p,FXuval n){ FXStream::load(p,n); return *this; }
FXMemoryStream& load(FXbool* p,FXuval n){ FXStream::load(p,n); return *this; }
FXMemoryStream& load(FXushort* p,FXuval n){ FXStream::load(p,n); return *this; }
FXMemoryStream& load(FXshort* p,FXuval n){ FXStream::load(p,n); return *this; }
FXMemoryStream& load(FXuint* p,FXuval n){ FXStream::load(p,n); return *this; }
FXMemoryStream& load(FXint* p,FXuval n){ FXStream::load(p,n); return *this; }
FXMemoryStream& load(FXfloat* p,FXuval n){ FXStream::load(p,n); return *this; }
FXMemoryStream& load(FXdouble* p,FXuval n){ FXStream::load(p,n); return *this; }
FXMemoryStream& load(FXlong* p,FXuval n){ FXStream::load(p,n); return *this; }
FXMemoryStream& load(FXulong* p,FXuval n){ FXStream::load(p,n); return *this; }
/// Save object
FXMemoryStream& saveObject(const FXObject* v){ FXStream::saveObject(v); return *this; }
/// Load object
FXMemoryStream& loadObject(FXObject*& v){ FXStream::loadObject(v); return *this; }
/// Load object
template<class TYPE>
FXMemoryStream& operator>>(TYPE*& obj){ return loadObject(reinterpret_cast<FXObject*&>(obj)); }
/// Save object
template<class TYPE>
FXMemoryStream& operator<<(const TYPE* obj){ return saveObject(static_cast<const FXObject*>(obj)); }
/// Destructor
virtual ~FXMemoryStream();
};
}
#endif
|
