This commit was generated by cvs2svn to compensate for changes in r58,

which included commits to RCS files with non-trunk default branches.

svn path=/trunk/; revision=59

1 files changed, 345 insertions, 0 deletions

diff --git a/pd/src/x_qlist.c b/pd/src/x_qlist.c
new file mode 100644
index 00000000..922cfe12
--- /dev/null
+++ b/pd/src/x_qlist.c
@@ -0,0 +1,345 @@
+/* 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 UNIX
+#include <unistd.h>
+#endif
+#ifdef NT
+#include <io.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;
+    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)
+{
+    t_symbol *name, *filename = 0;
+    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)
+{
+    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)
+    	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)
+{
+    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);
+}
+
+/* ---------------- 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);
+}
+