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
|
/*
flext - C++ layer for Max/MSP and pd (pure data) externals
Copyright (c) 2001-2003 Thomas Grill (xovo@gmx.net)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
*/
/*! \file flatom_pr.cpp
\brief Definitions for printing and scanning the t_atom type.
*/
#include "flext.h"
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
// \TODO take bufsz into account!
bool flext::PrintAtom(const t_atom &a,char *buf,int bufsz)
{
bool ok = true;
if(IsFloat(a)) {
STD::sprintf(buf,"%g",GetFloat(a));
}
else if(IsInt(a)) {
STD::sprintf(buf,"%i",GetInt(a));
}
else if(IsSymbol(a)) {
STD::strcpy(buf,GetString(a));
}
else if(IsPointer(a)) {
STD::sprintf(buf,"%p",GetPointer(a));
}
#if FLEXT_SYS == FLEXT_SYS_PD
else if(a.a_type == A_DOLLAR) {
STD::sprintf(buf,"$%d",a.a_w.w_index);
}
else if(a.a_type == A_DOLLSYM) {
STD::sprintf(buf,"$%s",GetString(a));
}
#elif FLEXT_SYS == FLEXT_SYS_MAX
else if(a.a_type == A_DOLLAR) {
STD::sprintf(buf,"$%d",a.a_w.w_long);
}
#else
//#pragma message("Not implemented")
#endif
else {
ERRINTERNAL();
ok = false;
}
return ok;
}
bool flext::PrintList(int argc,const t_atom *argv,char *buf,int bufsz)
{
bool ok = true;
for(int i = 0; ok && i < argc && bufsz > 0; ++i) {
if(i) { *(buf++) = ' '; --bufsz; } // prepend space
if(PrintAtom(argv[i],buf,bufsz)) {
int len = strlen(buf);
buf += len,bufsz -= len;
}
else
ok = false;
}
*buf = 0;
return ok;
}
bool flext::AtomList::Print(char *buffer,int buflen) const
{
return flext::PrintList(Count(),Atoms(),buffer,buflen);
}
bool flext::ScanAtom(t_atom &a,const char *buf)
{
// skip whitespace
while(*buf && isspace(*buf)) ++buf;
if(!*buf) return false;
char tmp[1024];
strcpy(tmp,buf);
char *c = tmp;
// check for word type (s = 0,1,2 ... int,float,symbol)
int s = 0;
for(; *c && !isspace(*c); ++c) {
if(!isdigit(*c))
s = (*c != '.' || s == 1)?2:1;
}
switch(s) {
case 0: // integer
#if FLEXT_SYS == FLEXT_SYS_MAX
SetInt(a,atol(tmp));
break;
#endif
case 1: // float
SetFloat(a,(float)atof(tmp));
break;
default: { // anything else is a symbol
char t = *c; *c = 0;
SetString(a,tmp);
*c = t;
break;
}
}
return true;
}
|
