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rockbox/apps/plugins/pdbox/PDa/src/x_qlist.c
Frank Gevaerts ca755f767c Fix pdbox makefile to actually take part in dependency generation 
Change pdbox include paths to handle this



git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24916 a1c6a512-1295-4272-9138-f99709370657
2010-02-25 23:35:16 +00:00

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9.6 KiB
C
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/* Copyright (c) 1997-1999 Miller Puckette and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
#ifdef ROCKBOX
#include "plugin.h"
#include "../../pdbox.h"
#endif
#include "m_pd.h"
#ifndef ROCKBOX
#include <string.h>
#ifdef UNIX
#include <unistd.h>
#endif
#ifdef MSW
#include <io.h>
#endif
#endif /* ROCKBOX */
typedef struct _qlist
{
t_object x_ob;
t_outlet *x_bangout;
void *x_binbuf;
int x_onset; /* playback position */
t_clock *x_clock;
float x_tempo;
double x_whenclockset;
float x_clockdelay;
t_symbol *x_dir;
t_canvas *x_canvas;
int x_reentered;
} t_qlist;
static void qlist_tick(t_qlist *x);
static t_class *qlist_class;
static void *qlist_new( void)
{
#ifndef ROCKBOX
t_symbol *name, *filename = 0;
#endif
t_qlist *x = (t_qlist *)pd_new(qlist_class);
x->x_binbuf = binbuf_new();
x->x_clock = clock_new(x, (t_method)qlist_tick);
outlet_new(&x->x_ob, &s_list);
x->x_bangout = outlet_new(&x->x_ob, &s_bang);
x->x_onset = 0x7fffffff;
x->x_tempo = 1;
x->x_whenclockset = 0;
x->x_clockdelay = 0;
x->x_canvas = canvas_getcurrent();
x->x_reentered = 0;
return (x);
}
static void qlist_rewind(t_qlist *x)
{
x->x_onset = 0;
if (x->x_clock) clock_unset(x->x_clock);
x->x_whenclockset = 0;
x->x_reentered = 1;
}
static void qlist_donext(t_qlist *x, int drop, int automatic)
{
t_pd *target = 0;
while (1)
{
int argc = binbuf_getnatom(x->x_binbuf),
count, onset = x->x_onset, onset2, wasreentered;
t_atom *argv = binbuf_getvec(x->x_binbuf);
t_atom *ap = argv + onset, *ap2;
if (onset >= argc) goto end;
while (ap->a_type == A_SEMI || ap->a_type == A_COMMA)
{
if (ap->a_type == A_SEMI) target = 0;
onset++, ap++;
if (onset >= argc) goto end;
}
if (!target && ap->a_type == A_FLOAT)
{
ap2 = ap + 1;
onset2 = onset + 1;
while (onset2 < argc && ap2->a_type == A_FLOAT)
onset2++, ap2++;
x->x_onset = onset2;
if (automatic)
{
clock_delay(x->x_clock,
x->x_clockdelay = ap->a_w.w_float * x->x_tempo);
x->x_whenclockset = clock_getsystime();
}
else outlet_list(x->x_ob.ob_outlet, 0, onset2-onset, ap);
return;
}
ap2 = ap + 1;
onset2 = onset + 1;
while (onset2 < argc &&
(ap2->a_type == A_FLOAT || ap2->a_type == A_SYMBOL))
onset2++, ap2++;
x->x_onset = onset2;
count = onset2 - onset;
if (!target)
{
if (ap->a_type != A_SYMBOL) continue;
else if (!(target = ap->a_w.w_symbol->s_thing))
{
error("qlist: %s: no such object", ap->a_w.w_symbol->s_name);
continue;
}
ap++;
onset++;
count--;
if (!count)
{
x->x_onset = onset2;
continue;
}
}
wasreentered = x->x_reentered;
x->x_reentered = 0;
if (!drop)
{
if (ap->a_type == A_FLOAT)
typedmess(target, &s_list, count, ap);
else if (ap->a_type == A_SYMBOL)
typedmess(target, ap->a_w.w_symbol, count-1, ap+1);
}
if (x->x_reentered)
return;
x->x_reentered = wasreentered;
} /* while (1); never falls through */
end:
x->x_onset = 0x7fffffff;
outlet_bang(x->x_bangout);
x->x_whenclockset = 0;
}
static void qlist_next(t_qlist *x, t_floatarg drop)
{
qlist_donext(x, drop != 0, 0);
}
static void qlist_bang(t_qlist *x)
{
qlist_rewind(x);
qlist_donext(x, 0, 1);
}
static void qlist_tick(t_qlist *x)
{
x->x_whenclockset = 0;
qlist_donext(x, 0, 1);
}
static void qlist_add(t_qlist *x, t_symbol *s, int ac, t_atom *av)
{
#ifdef ROCKBOX
(void) s;
#endif
t_atom a;
SETSEMI(&a);
binbuf_add(x->x_binbuf, ac, av);
binbuf_add(x->x_binbuf, 1, &a);
}
static void qlist_add2(t_qlist *x, t_symbol *s, int ac, t_atom *av)
{
#ifdef ROCKBOX
(void) s;
#endif
binbuf_add(x->x_binbuf, ac, av);
}
static void qlist_clear(t_qlist *x)
{
qlist_rewind(x);
binbuf_clear(x->x_binbuf);
}
static void qlist_set(t_qlist *x, t_symbol *s, int ac, t_atom *av)
{
qlist_clear(x);
qlist_add(x, s, ac, av);
}
static void qlist_read(t_qlist *x, t_symbol *filename, t_symbol *format)
{
int cr = 0;
if (!strcmp(format->s_name, "cr"))
cr = 1;
else if (*format->s_name)
error("qlist_read: unknown flag: %s", format->s_name);
if (binbuf_read_via_path(x->x_binbuf, filename->s_name,
canvas_getdir(x->x_canvas)->s_name, cr))
error("%s: read failed", filename->s_name);
x->x_onset = 0x7fffffff;
x->x_reentered = 1;
}
static void qlist_write(t_qlist *x, t_symbol *filename, t_symbol *format)
{
int cr = 0;
char buf[MAXPDSTRING];
canvas_makefilename(x->x_canvas, filename->s_name,
buf, MAXPDSTRING);
if (!strcmp(format->s_name, "cr"))
cr = 1;
else if (*format->s_name)
error("qlist_read: unknown flag: %s", format->s_name);
if (binbuf_write(x->x_binbuf, buf, "", cr))
error("%s: write failed", filename->s_name);
}
static void qlist_print(t_qlist *x)
{
post("--------- textfile or qlist contents: -----------");
binbuf_print(x->x_binbuf);
}
static void qlist_tempo(t_qlist *x, t_float f)
{
float newtempo;
if (f < 1e-20) f = 1e-20;
else if (f > 1e20) f = 1e20;
newtempo = 1./f;
if (x->x_whenclockset != 0)
{
float elapsed = clock_gettimesince(x->x_whenclockset);
float left = x->x_clockdelay - elapsed;
if (left < 0) left = 0;
left *= newtempo / x->x_tempo;
clock_delay(x->x_clock, left);
}
x->x_tempo = newtempo;
}
static void qlist_free(t_qlist *x)
{
binbuf_free(x->x_binbuf);
if (x->x_clock) clock_free(x->x_clock);
}
/* -------------------- textfile ------------------------------- */
static t_class *textfile_class;
typedef t_qlist t_textfile;
static void *textfile_new( void)
{
#ifndef ROCKBOX
t_symbol *name, *filename = 0;
#endif
t_textfile *x = (t_textfile *)pd_new(textfile_class);
x->x_binbuf = binbuf_new();
outlet_new(&x->x_ob, &s_list);
x->x_bangout = outlet_new(&x->x_ob, &s_bang);
x->x_onset = 0x7fffffff;
x->x_reentered = 0;
x->x_tempo = 1;
x->x_whenclockset = 0;
x->x_clockdelay = 0;
x->x_clock = NULL;
x->x_canvas = canvas_getcurrent();
return (x);
}
static void textfile_bang(t_textfile *x)
{
int argc = binbuf_getnatom(x->x_binbuf),
#ifdef ROCKBOX
onset = x->x_onset, onset2;
#else
count, onset = x->x_onset, onset2;
#endif
t_atom *argv = binbuf_getvec(x->x_binbuf);
t_atom *ap = argv + onset, *ap2;
while (onset < argc &&
(ap->a_type == A_SEMI || ap->a_type == A_COMMA))
onset++, ap++;
onset2 = onset;
ap2 = ap;
while (onset2 < argc &&
(ap2->a_type != A_SEMI && ap2->a_type != A_COMMA))
onset2++, ap2++;
if (onset2 > onset)
{
x->x_onset = onset2;
if (ap->a_type == A_SYMBOL)
outlet_anything(x->x_ob.ob_outlet, ap->a_w.w_symbol,
onset2-onset-1, ap+1);
else outlet_list(x->x_ob.ob_outlet, 0, onset2-onset, ap);
}
else
{
x->x_onset = 0x7fffffff;
outlet_bang(x->x_bangout);
}
}
static void textfile_rewind(t_qlist *x)
{
x->x_onset = 0;
}
static void textfile_free(t_textfile *x)
{
binbuf_free(x->x_binbuf);
}
/* ---------------- global setup function -------------------- */
void x_qlist_setup(void )
{
qlist_class = class_new(gensym("qlist"), (t_newmethod)qlist_new,
(t_method)qlist_free, sizeof(t_qlist), 0, 0);
class_addmethod(qlist_class, (t_method)qlist_rewind, gensym("rewind"), 0);
class_addmethod(qlist_class, (t_method)qlist_next,
gensym("next"), A_DEFFLOAT, 0);
class_addmethod(qlist_class, (t_method)qlist_set, gensym("set"),
A_GIMME, 0);
class_addmethod(qlist_class, (t_method)qlist_clear, gensym("clear"), 0);
class_addmethod(qlist_class, (t_method)qlist_add, gensym("add"),
A_GIMME, 0);
class_addmethod(qlist_class, (t_method)qlist_add2, gensym("add2"),
A_GIMME, 0);
class_addmethod(qlist_class, (t_method)qlist_add, gensym("append"),
A_GIMME, 0);
class_addmethod(qlist_class, (t_method)qlist_read, gensym("read"),
A_SYMBOL, A_DEFSYM, 0);
class_addmethod(qlist_class, (t_method)qlist_write, gensym("write"),
A_SYMBOL, A_DEFSYM, 0);
class_addmethod(qlist_class, (t_method)qlist_print, gensym("print"),
A_DEFSYM, 0);
class_addmethod(qlist_class, (t_method)qlist_tempo,
gensym("tempo"), A_FLOAT, 0);
class_addbang(qlist_class, qlist_bang);
textfile_class = class_new(gensym("textfile"), (t_newmethod)textfile_new,
(t_method)textfile_free, sizeof(t_textfile), 0, 0);
class_addmethod(textfile_class, (t_method)textfile_rewind, gensym("rewind"),
0);
class_addmethod(textfile_class, (t_method)qlist_set, gensym("set"),
A_GIMME, 0);
class_addmethod(textfile_class, (t_method)qlist_clear, gensym("clear"), 0);
class_addmethod(textfile_class, (t_method)qlist_add, gensym("add"),
A_GIMME, 0);
class_addmethod(textfile_class, (t_method)qlist_add2, gensym("add2"),
A_GIMME, 0);
class_addmethod(textfile_class, (t_method)qlist_add, gensym("append"),
A_GIMME, 0);
class_addmethod(textfile_class, (t_method)qlist_read, gensym("read"),
A_SYMBOL, A_DEFSYM, 0);
class_addmethod(textfile_class, (t_method)qlist_write, gensym("write"),
A_SYMBOL, A_DEFSYM, 0);
class_addmethod(textfile_class, (t_method)qlist_print, gensym("print"),
A_DEFSYM, 0);
class_addbang(textfile_class, textfile_bang);
}
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