blob: 8e766e1cb73f3e12860a7fca039d18441c75c8e5 (
plain)
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
|
/*
* /home/ms/files/source/libsidtune/RCS/Buffer.h,v
*
* Copyright (C) Michael Schwendt <mschwendt@yahoo.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef BUFFER_H
#define BUFFER_H
#include <assert.h>
#include "sidtypes.h"
template <class T> class Buffer_sidtt
{
public:
Buffer_sidtt(void) : dummy(0)
{
kill();
}
Buffer_sidtt(T* inBuf, uint_least32_t inLen) : dummy(0)
{
kill();
if (inBuf!=0 && inLen!=0)
{
buf = inBuf;
bufLen = inLen;
}
}
bool assign(T* newBuf, uint_least32_t newLen)
{
erase();
buf = newBuf;
bufLen = newLen;
return (buf!=0);
}
T* get(void) const { return buf; }
uint_least32_t len(void) const { return bufLen; }
T* xferPtr(void)
{
T* tmpBuf = buf;
buf = 0;
return tmpBuf;
}
uint_least32_t xferLen(void)
{
uint_least32_t tmpBufLen = bufLen;
bufLen = 0;
return tmpBufLen;
}
T& operator[](uint_least32_t index)
{
if (index < bufLen)
return buf[index];
else
return dummy;
}
bool isEmpty(void) const { return (buf==0); }
void erase(void)
{
if (buf!=0 && bufLen!=0)
{
#ifndef SID_HAVE_BAD_COMPILER
delete[] buf;
#else
delete[] (void *) buf;
#endif
}
kill();
}
~Buffer_sidtt(void)
{
erase();
}
private:
T* buf;
uint_least32_t bufLen;
T dummy;
void kill(void)
{
buf = 0;
bufLen = 0;
}
private: // prevent copying
// SAW - Need function body so code can be fully instatiated
// for exporting from dll. Use asserts in debug mode as these
// should not be used.
Buffer_sidtt(const Buffer_sidtt&) : dummy (0) { assert(0); }
Buffer_sidtt& operator=(Buffer_sidtt& b)
{
assert(0);
return b;
}
};
#endif /* BUFFER_H */
|
