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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
|
/* Copyright (c) 2002-2003 krzYszcz and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
#include <string.h>
#include "m_pd.h"
#define TESTMESS_INISIZE 4 /* LATER rethink */
#define TESTMESS_STACKSIZE 256
typedef struct _testmess
{
t_object x_ob;
t_symbol *x_method;
void (*x_messfun)(struct _testmess *, t_symbol *s, int, t_atom *);
int x_appendmode;
int x_size; /* as allocated */
int x_natoms; /* as used */
int x_tailwise; /* data is moved to the end of a buffer */
t_atom *x_message;
t_atom *x_messbuf;
t_atom x_messini[TESTMESS_INISIZE];
} t_testmess;
static t_class *testmess_class;
static void testmess_setnatoms(t_testmess *x, int natoms)
{
if (x->x_tailwise)
x->x_message = x->x_messbuf + x->x_size - natoms;
else
x->x_message = x->x_messbuf;
x->x_natoms = natoms;
}
static int testmess_makeroom(t_testmess *x, int natoms, int preserve)
{
if (x->x_size < natoms)
{
int newsize = x->x_size * 2;
while (newsize < natoms) newsize *= 2;
post("makeroom %s %d %d %d", x->x_method->s_name,
preserve, natoms, newsize);
if (x->x_messbuf == x->x_messini)
{
if (!(x->x_messbuf =
(t_atom *)getbytes(newsize * sizeof(*x->x_messbuf))))
{
x->x_messbuf = x->x_messini;
testmess_setnatoms(x, preserve ? x->x_natoms : 0);
return (0);
}
x->x_size = newsize;
testmess_setnatoms(x, preserve ? x->x_natoms : 0);
if (x->x_natoms)
{
if (x->x_tailwise)
memcpy(x->x_message,
x->x_messini + TESTMESS_INISIZE - x->x_natoms,
x->x_natoms * sizeof(*x->x_message));
else
memcpy(x->x_message,
x->x_messini, x->x_natoms * sizeof(*x->x_message));
}
}
else
{
int oldsize = x->x_size;
if (!(x->x_messbuf =
(t_atom *)resizebytes(x->x_messbuf,
x->x_size * sizeof(*x->x_messbuf),
newsize * sizeof(*x->x_messbuf))))
{
x->x_messbuf = x->x_messini;
x->x_size = TESTMESS_INISIZE;
testmess_setnatoms(x, 0);
return (0);
}
x->x_size = newsize;
testmess_setnatoms(x, preserve ? x->x_natoms : 0);
if (x->x_natoms && x->x_tailwise)
memmove(x->x_message, x->x_messbuf + oldsize - x->x_natoms,
x->x_natoms * sizeof(*x->x_message));
}
}
return (1);
}
static void testmess_stackmess(t_testmess *x, t_symbol *s, int ac, t_atom *av)
{
t_atom buf[TESTMESS_STACKSIZE];
int natoms = x->x_natoms;
if (x->x_appendmode)
{
int left = TESTMESS_STACKSIZE - ac;
if (left < 0) ac = TESTMESS_STACKSIZE, natoms = 0;
else if (natoms > left) natoms = left;
if (ac)
memcpy(buf, av, ac * sizeof(*buf));
if (natoms)
memcpy(buf + ac, x->x_message, natoms * sizeof(*buf));
}
else
{
int left = TESTMESS_STACKSIZE - natoms;
if (left < 0) natoms = TESTMESS_STACKSIZE, ac = 0;
else if (ac > left) ac = left;
if (natoms)
memcpy(buf, x->x_message, natoms * sizeof(*buf));
if (ac)
memcpy(buf + natoms, av, ac * sizeof(*buf));
}
outlet_anything(((t_object *)x)->ob_outlet, s, natoms + ac, buf);
}
static void testmess_heapmess(t_testmess *x, t_symbol *s, int ac, t_atom *av)
{
int ntotal = x->x_natoms + ac;
t_atom *buf = getbytes(ntotal * sizeof(*buf));
if (buf)
{
if (x->x_appendmode)
{
if (ac)
memcpy(buf, av, ac * sizeof(*buf));
if (x->x_natoms)
memcpy(buf + ac, x->x_message, x->x_natoms * sizeof(*buf));
}
else
{
if (x->x_natoms)
memcpy(buf, x->x_message, x->x_natoms * sizeof(*buf));
if (ac)
memcpy(buf + x->x_natoms, av, ac * sizeof(*buf));
}
outlet_anything(((t_object *)x)->ob_outlet, s, ntotal, buf);
freebytes(buf, ntotal * sizeof(*buf));
}
}
static void testmess_premess(t_testmess *x, t_symbol *s, int ac, t_atom *av)
{
int ntotal = x->x_natoms + ac;
if (testmess_makeroom(x, ntotal, 1))
{
t_atom *buf;
if (x->x_appendmode)
{
buf = x->x_messbuf + x->x_size - ntotal;
if (ac)
memcpy(buf, av, ac * sizeof(*buf));
}
else
{
buf = x->x_messbuf;
if (ac)
memcpy(buf + x->x_natoms, av, ac * sizeof(*buf));
}
outlet_anything(((t_object *)x)->ob_outlet, s, ntotal, buf);
}
}
static void testmess_bang(t_testmess *x)
{
if (x->x_natoms)
x->x_messfun(x, &s_list, 0, 0);
}
static void testmess_float(t_testmess *x, t_float f)
{
t_atom at;
SETFLOAT(&at, f);
x->x_messfun(x, (x->x_natoms ? &s_list : &s_float), 1, &at);
}
static void testmess_symbol(t_testmess *x, t_symbol *s)
{
x->x_messfun(x, s, 0, 0);
}
static void testmess_anything(t_testmess *x, t_symbol *s, int ac, t_atom *av)
{
x->x_messfun(x, s, ac, av);
}
static void testmess_set(t_testmess *x, t_floatarg f1, t_floatarg f2)
{
int natoms = (int)f1;
if (natoms > 0 && testmess_makeroom(x, natoms * 2, 0))
{
t_atom *ap;
int i = (int)f2;;
testmess_setnatoms(x, natoms);
ap = x->x_message;
while (natoms--)
{
SETFLOAT(ap, i);
i++; ap++;
}
}
}
static void testmess_free(t_testmess *x)
{
if (x->x_messbuf != x->x_messini)
freebytes(x->x_messbuf, x->x_size * sizeof(*x->x_messbuf));
}
static void *testmess_new(t_symbol *s, t_floatarg f)
{
t_testmess *x = (t_testmess *)pd_new(testmess_class);
x->x_appendmode = 1;
x->x_tailwise = 0;
if (s == gensym("stack"))
x->x_method = s, x->x_messfun = testmess_stackmess;
else if (s == gensym("heap"))
x->x_method = s, x->x_messfun = testmess_heapmess;
else
{
x->x_method = gensym("prealloc");
x->x_messfun = testmess_premess;
x->x_tailwise = x->x_appendmode;
}
x->x_size = TESTMESS_INISIZE;
x->x_messbuf = x->x_messini;
outlet_new((t_object *)x, &s_anything);
testmess_setnatoms(x, 0);
testmess_set(x, f, 0);
return (x);
}
void testmess_setup(void)
{
testmess_class = class_new(gensym("testmess"),
(t_newmethod)testmess_new,
(t_method)testmess_free,
sizeof(t_testmess), 0,
A_DEFFLOAT, A_DEFSYM, 0);
class_addbang(testmess_class, testmess_bang);
class_addfloat(testmess_class, testmess_float);
class_addsymbol(testmess_class, testmess_symbol);
class_addanything(testmess_class, testmess_anything);
class_addmethod(testmess_class, (t_method)testmess_set,
gensym("set"), A_FLOAT, A_DEFFLOAT, 0);
}
|
