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
|
/******************************************************
*
* zexy - implementation file
*
* copyleft (c) IOhannes m zmölnig
*
* 1999:forum::für::umläute:2004
*
* institute of electronic music and acoustics (iem)
*
******************************************************
*
* license: GNU General Public License v.2
*
******************************************************/
#include "zexy.h"
#include <stdlib.h>
#include <string.h>
/*
* strcmp : compare 2 lists as if they were strings
*/
/* ------------------------- strcmp ------------------------------- */
/* compare 2 lists ( == for lists) */
static t_class *strcmp_class;
static t_class *strcmp_proxy_class;
typedef struct _strcmp
{
t_object x_obj;
struct _strcmp_proxy *x_proxy;
t_binbuf *bbuf1, *bbuf2;
char *str1, *str2;
int n1, n2;
} t_strcmp;
typedef struct _strcmp_proxy
{
t_pd p_pd;
t_strcmp *p_master;
t_inlet *p_in;
} t_strcmp_proxy;
static void strcmp_bang(t_strcmp *x)
{
int result = 0;
if(x->str1){
if(x->str2)
result = strcmp(x->str1, x->str2);
else
result = *x->str1;
} else {
if(x->str2)
result = -*x->str2;
else
result = 0;
}
outlet_float(x->x_obj.ob_outlet, result);
}
static void list2binbuf(t_binbuf**bbuf, int *n, char**str, int argc, t_atom*argv)
{
int i=0;
char*s=0;
if(*str&&*n)freebytes(*str, *n);
binbuf_clear(*bbuf);
binbuf_add(*bbuf, argc, argv);
binbuf_gettext(*bbuf, str, n);
i=*n;
s=*str;
if(' '==s[i])s[i]=0;
}
static void strcmp_list(t_strcmp *x, t_symbol *s, int argc, t_atom *argv)
{
list2binbuf(&x->bbuf1, &x->n1, &x->str1, argc, argv);
strcmp_bang(x);
}
static void strcmp_symbol(t_strcmp *x, t_symbol *s)
{
if(x->str1&&x->n1)freebytes(x->str1, x->n1);
x->n1=0;
x->str1=s->s_name;
strcmp_bang(x);
}
static void strcmp_secondlist(t_strcmp *x, t_symbol *s, int argc, t_atom *argv)
{
list2binbuf(&x->bbuf2, &x->n2, &x->str2, argc, argv);
}
static void strcmp_secondsymbol(t_strcmp *x, t_symbol *s)
{
if(x->str2&&x->n2)freebytes(x->str2, x->n2);
x->n2=0;
x->str2=s->s_name;
}
static void strcmp_proxy_list(t_strcmp_proxy *y, t_symbol *s, int argc, t_atom *argv)
{
strcmp_secondlist(y->p_master, s, argc, argv);
}
static void strcmp_proxy_symbol(t_strcmp_proxy *y, t_symbol *s)
{
if(s)strcmp_secondsymbol(y->p_master, s);
}
static void *strcmp_new(t_symbol *s, int argc, t_atom *argv)
{
t_strcmp *x = (t_strcmp *)pd_new(strcmp_class);
x->x_proxy=(t_strcmp_proxy*)pd_new(strcmp_proxy_class);
x->x_proxy->p_master = x;
x->x_proxy->p_in = inlet_new ((t_object*)x, (t_pd*)x->x_proxy, 0,0);
outlet_new(&x->x_obj, 0);
x->bbuf1 = binbuf_new();
x->bbuf2 = binbuf_new();
x->str1=0;
x->str2=0;
x->n1=0;
x->n2=0;
if(argc)strcmp_secondlist(x, gensym("list"), argc, argv);
return (x);
}
static void strcmp_free(t_strcmp *x)
{
binbuf_free(x->bbuf1);
binbuf_free(x->bbuf2);
if(x->str1&&x->n1)freebytes(x->str1, x->n1);
if(x->str2&&x->n2)freebytes(x->str2, x->n2);
inlet_free(x->x_proxy->p_in);
x->x_proxy->p_master=0;
pd_free(&x->x_proxy->p_pd);
}
void strcmp_setup(void)
{
strcmp_class = class_new(gensym("strcmp"), (t_newmethod)strcmp_new,
(t_method)strcmp_free, sizeof(t_strcmp), 0, A_GIMME, 0);
class_addbang (strcmp_class, strcmp_bang);
class_addsymbol (strcmp_class, strcmp_symbol);
class_addlist (strcmp_class, strcmp_list);
strcmp_proxy_class = class_new(gensym("strcmp proxy"), 0, 0,
sizeof(t_strcmp_proxy),
CLASS_PD | CLASS_NOINLET, 0);
class_addsymbol(strcmp_proxy_class, strcmp_proxy_symbol);
class_addlist(strcmp_proxy_class, strcmp_proxy_list);
class_sethelpsymbol(strcmp_class, gensym("zexy/strcmp"));
zexy_register("strcmp");
}
|
