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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. */
#include "m_pd.h"
#include <string.h>
#ifdef _WIN32
#include <io.h>
#else
#include <unistd.h>
#endif
typedef struct _qlist
{
t_object x_ob;
t_outlet *x_bangout;
void *x_binbuf;
int x_onset; /* playback position */
t_clock *x_clock;
t_float x_tempo;
double x_whenclockset;
t_float x_clockdelay;
t_symbol *x_dir;
t_canvas *x_canvas;
int x_reentered;
} t_qlist;
static t_class *textfile_class;
typedef t_qlist t_textfile;
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_add(t_qlist *x, t_symbol *s, int ac, t_atom *av)
{
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)
{
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)
pd_error(x, "qlist_read: unknown flag: %s", format->s_name);
if (binbuf_read_via_canvas(x->x_binbuf, filename->s_name, x->x_canvas, cr))
pd_error(x, "%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)
pd_error(x, "qlist_read: unknown flag: %s", format->s_name);
if (binbuf_write(x->x_binbuf, buf, "", cr))
pd_error(x, "%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 *textfile_new( void)
{
t_symbol *name, *filename = 0;
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),
count, onset = x->x_onset, onset2;
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);
}
void textfile_setup(void )
{
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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