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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
#include <cstring>
#include "Core/precomp.h"
#include "API/Core/System/cl_assert.h"
#include "inputsource_memory_generic.h"
#include "outputsource_memory_generic.h"
CL_InputSource_MemoryGeneric::CL_InputSource_MemoryGeneric(
void *_data,
int size,
bool delete_data)
{
data = (unsigned char *) _data;
pos = 0;
length = size;
delete_data = delete_data;
}
CL_InputSource_MemoryGeneric::CL_InputSource_MemoryGeneric(
const CL_InputSource_MemoryGeneric *MG)
{
data = new unsigned char[MG->size()];
pos = 0;
length = MG->size();
delete_data = true;
memcpy(data, MG->data, length);
}
CL_InputSource_MemoryGeneric::~CL_InputSource_MemoryGeneric()
{
if (delete_data) delete[] data;
}
int CL_InputSource_MemoryGeneric::read(void *_data, int size)
{
cl_assert(pos + size <= length);
memcpy(_data, data + pos, size);
pos += size;
return size;
}
void CL_InputSource_MemoryGeneric::open()
{
pos = 0;
}
void CL_InputSource_MemoryGeneric::close()
{
}
CL_InputSource *CL_InputSource_MemoryGeneric::clone() const
{
CL_InputSource_MemoryGeneric *ret = new CL_InputSource_MemoryGeneric(data, length, delete_data);
ret->seek(pos, seek_set);
return ret;
}
int CL_InputSource_MemoryGeneric::tell() const
{
return pos;
}
void CL_InputSource_MemoryGeneric::seek(int _pos, SeekEnum seek_type)
{
switch (seek_type)
{
case seek_set:
pos = _pos;
break;
case seek_cur:
pos += _pos;
break;
case seek_end:
pos = length + _pos;
break;
default: // invalid seek type!
cl_assert(false);
}
}
int CL_InputSource_MemoryGeneric::size() const
{
return length;
}
void CL_InputSource_MemoryGeneric::push_position()
{
cl_assert(false); // not implemented yet.
}
void CL_InputSource_MemoryGeneric::pop_position()
{
cl_assert(false); // not implemented yet.
}
void CL_InputSource_MemoryGeneric::purge()
{
memset(data, 0, length);
}
CL_InputSourceProvider_Memory::CL_InputSourceProvider_Memory(unsigned char *_data, unsigned int _size, bool _delete_data)
{
data = _data;
size = _size;
delete_data = _delete_data;
}
CL_InputSourceProvider_Memory::CL_InputSourceProvider_Memory(CL_InputSource_MemoryGeneric *MG)
{
data = new unsigned char[MG->size()];
size = MG->size();
delete_data = true;
MG->read(data, size);
}
CL_InputSourceProvider_Memory::CL_InputSourceProvider_Memory(CL_OutputSource_MemoryGeneric *MG)
{
data = new unsigned char[MG->size()];
size = MG->size();
delete_data = true;
memcpy(data, MG->get_data(), size);
}
CL_InputSource *CL_InputSourceProvider_Memory::open_source(const std::string &)
{
return new CL_InputSource_MemoryGeneric(data, size, delete_data);
}
CL_InputSourceProvider *CL_InputSourceProvider_Memory::clone()
{
cl_assert(false);
return NULL;
}
|
