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
|
/*
* Copyright (c) 2009-2016, Albertas Vyšniauskas
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
* * Neither the name of the software author nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "DynvVarFloat.h"
#include "DynvVariable.h"
#include "DynvIO.h"
#include "../Endian.h"
#include <sstream>
using namespace std;
static int dynv_var_float_create(struct dynvVariable* variable){
variable->float_value = 0;
return 0;
}
static int dynv_var_float_destroy(struct dynvVariable* variable){
return 0;
}
static int dynv_var_float_set(struct dynvVariable* variable, void* value, bool deref){
variable->float_value = *((float*)value);
return 0;
}
static int dynv_var_float_get(struct dynvVariable* variable, void** value, bool *deref){
*value = &variable->float_value;
return 0;
}
static int dynv_var_float_serialize(struct dynvVariable* variable, struct dynvIO* io){
uint32_t written;
uint32_t length = 4;
length = UINT32_TO_LE(length);
dynv_io_write(io, &length, 4, &written);
union{
uint32_t i32;
float f32;
}value;
value.f32 = variable->float_value;
value.i32 = UINT32_TO_LE(value.i32);
if (dynv_io_write(io, &value, 4, &written) == 0){
if (written == 4) return 0;
}
return -1;
}
static int dynv_var_float_deserialize(struct dynvVariable* variable, struct dynvIO* io){
uint32_t read;
uint32_t size;
dynv_io_read(io, &size, 4, &read);
union{
uint32_t i32;
float f32;
}value;
if (dynv_io_read(io, &value, 4, &read) == 0){
if (read == 4){
value.i32 = UINT32_FROM_LE(value.i32);
variable->float_value = value.f32;
return 0;
}
}
return -1;
}
static int serialize_xml(struct dynvVariable* variable, ostream& out){
out << variable->float_value;
return 0;
}
static int deserialize_xml(struct dynvVariable* variable, const char *data){
stringstream ss(stringstream::in);
ss.str(data);
ss >> variable->float_value;
return 0;
}
struct dynvHandler* dynv_var_float_new(){
struct dynvHandler* handler=dynv_handler_create("float");
handler->create=dynv_var_float_create;
handler->destroy=dynv_var_float_destroy;
handler->set=dynv_var_float_set;
handler->get=dynv_var_float_get;
handler->serialize=dynv_var_float_serialize;
handler->deserialize=dynv_var_float_deserialize;
handler->serialize_xml = serialize_xml;
handler->deserialize_xml = deserialize_xml;
handler->data_size = sizeof(float);
return handler;
}
|
