diff options
Diffstat (limited to 'nroute.c')
| -rw-r--r-- | nroute.c | 358 |
1 files changed, 179 insertions, 179 deletions
@@ -1,179 +1,179 @@ -/* ------------------------- nroute ------------------------------------------ */
-/* */
-/* Route input according to Nth element. */
-/* Written by Olaf Matthes <olaf.matthes@gmx.de> */
-/* Based on code found on the web. */
-/* Get source at http://www.akustische-kunst.org/puredata/maxlib/ */
-/* */
-/* This program is free software; you can redistribute it and/or */
-/* modify it under the terms of the GNU General Public License */
-/* as published by the Free Software Foundation; either version 2 */
-/* of the License, or (at your option) any later version. */
-/* */
-/* This program is distributed in the hope that it will be useful, */
-/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
-/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
-/* GNU General Public License for more details. */
-/* */
-/* You should have received a copy of the GNU General Public License */
-/* along with this program; if not, write to the Free Software */
-/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-/* */
-/* Based on PureData by Miller Puckette and others. */
-/* */
-/* ---------------------------------------------------------------------------- */
-
-/*
- inlet 1: anything to be routed
- inlet 2: anything to be matched to
- inlet 3: position to match
- out 1: input if match found
- out 2: input if match not found
-*/
-
-#include "m_pd.h"
-
-static char *version = "nroute v0.1, written by Olaf Matthes <olaf.matthes@gmx.de>";
-
-typedef struct nroute
-{
- t_object x_obj;
- t_outlet *out1;
- t_outlet *out2;
- t_int pos;
- t_atom match;
-} t_nroute;
-
-typedef struct proxy
-{
- t_object obj;
- t_int index; /* number of proxy inlet(s) */
- t_nroute *x; /* we'll put the other struct in here */
-} t_proxy;
-
-
- /* this is the routine that actually does the routing / matching */
- /* it get's called by all other routines that get any input and */
- /* even handles the second (proxy) inlet ! */
-static void nroute_any(t_nroute *x, t_symbol *s, int argc, t_atom *argv)
-{
- if(s)
- {
- if (x->pos == 1 && x->match.a_type == A_SYMBOL && x->match.a_w.w_symbol == s)
- outlet_anything (x->out1,s,argc,argv);
- else if (x->pos > 1 && x->pos <= argc + 1 &&
- argv[x->pos-2].a_type == x->match.a_type &&
- argv[x->pos-2].a_w.w_float == x->match.a_w.w_float)
- outlet_anything (x->out1,s,argc,argv);
- else outlet_anything (x->out2,s,argc,argv);
- }
- else
- {
- if (x->pos > 0 && x->pos <= argc &&
- argv[x->pos-1].a_type == x->match.a_type &&
- argv[x->pos-1].a_w.w_float == x->match.a_w.w_float)
- outlet_list (x->out1,0,argc,argv);
- else outlet_list (x->out2,0,argc,argv);
- }
-}
-
-static void nroute_float(t_nroute *x, float f)
-{
- t_atom a;
-
- SETFLOAT (&a,f);
- nroute_any(x,0,1,&a);
-}
-
-static void nroute_list(t_nroute *x, t_symbol *s, int argc, t_atom *argv)
-{
- nroute_any(x,0,argc,argv);
-}
-
-static void nroute_setmatch(t_proxy *p, t_symbol *s, int argc, t_atom *argv)
-{
- t_nroute *x = (t_nroute *)(p->x);
-
- if(argc == 0) /* have to match a symbol */
- {
- x->match.a_type = A_SYMBOL;
- x->match.a_w.w_symbol = s;
- }
- else /* got a float */
- {
- if(argc > 1)
- {
- post("nroute: middle inlet accepts only (float,symbol) for match");
- return;
- }
- x->match.a_type = A_FLOAT;
- x->match.a_w.w_float = argv[0].a_w.w_float;
- }
-}
-
-static void nroute_setpos(t_nroute *x, t_floatarg f)
-{
- x->pos = (t_int)f;
-}
-
-static t_class *nroute_class;
-static t_class *proxy_class;
-
-static void *nroute_new(t_symbol *s, int argc, t_atom *argv)
-{
- t_nroute *x = (t_nroute *)pd_new(nroute_class);
- t_proxy *inlet = (t_proxy *)pd_new(proxy_class); /* for the proxy inlet */
-
- inlet->x = x; /* make x visible to the proxy inlets */
-
- x->pos = 1;
- x->match.a_type = A_NULL;
- if (argc > 2) { error ("nroute: extra arguments"); return 0; }
- if (argc > 1) {
- if (argv[1].a_type == A_FLOAT) x->pos = argv[1].a_w.w_float;
- else { post ("nroute: second argument must be (int) position"); return 0; }
- }
- if (argc > 0) {
- x->match.a_type = argv[0].a_type;
- x->match.a_w.w_float = argv[0].a_w.w_float;
- }
- inlet->index = 0; /* we are going to create a proxy inlet no. 0 */
- /* it belongs to the object t_nroute but the destination is t_proxy */
- inlet_new(&x->x_obj, &inlet->obj.ob_pd, 0,0);
- /* and now a 'normal' third inlet */
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("right"));
- x->out1 = outlet_new(&x->x_obj, gensym("list"));
- x->out2 = outlet_new(&x->x_obj, gensym("list"));
- return (x);
-}
-
-#ifndef MAXLIB
-void nroute_setup(void)
-{
- /* the object's class: */
- nroute_class = class_new(gensym("nroute"), (t_newmethod)nroute_new,
- 0, sizeof(t_nroute), 0, A_GIMME, 0);
-#else
-void maxlib_nroute_setup(void)
-{
- /* the object's class: */
- nroute_class = class_new(gensym("maxlib_nroute"), (t_newmethod)nroute_new,
- 0, sizeof(t_nroute), 0, A_GIMME, 0);
- class_addcreator((t_newmethod)nroute_new, gensym("nroute"), A_GIMME, 0);
-#endif
- /* a class for the proxy inlet: */
- proxy_class = class_new(gensym("maxlib_nroute_proxy"), NULL, NULL, sizeof(t_proxy),
- CLASS_PD|CLASS_NOINLET, A_NULL);
-
- class_addmethod(nroute_class, (t_method)nroute_setpos, gensym("right"), A_FLOAT, 0);
- class_addfloat(nroute_class, nroute_float);
- class_addlist(nroute_class, nroute_list);
- class_addanything(nroute_class, nroute_any);
- class_addanything(proxy_class, nroute_setmatch);
-#ifndef MAXLIB
-
- post(version);
-#else
- class_sethelpsymbol(nroute_class, gensym("maxlib/nroute-help.pd"));
-#endif
-}
+/* ------------------------- nroute ------------------------------------------ */ +/* */ +/* Route input according to Nth element. */ +/* Written by Olaf Matthes <olaf.matthes@gmx.de> */ +/* Based on code found on the web. */ +/* Get source at http://www.akustische-kunst.org/puredata/maxlib/ */ +/* */ +/* This program is free software; you can redistribute it and/or */ +/* modify it under the terms of the GNU General Public License */ +/* as published by the Free Software Foundation; either version 2 */ +/* of the License, or (at your option) any later version. */ +/* */ +/* This program is distributed in the hope that it will be useful, */ +/* but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* GNU General Public License for more details. */ +/* */ +/* You should have received a copy of the GNU General Public License */ +/* along with this program; if not, write to the Free Software */ +/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +/* */ +/* Based on PureData by Miller Puckette and others. */ +/* */ +/* ---------------------------------------------------------------------------- */ + +/* + inlet 1: anything to be routed + inlet 2: anything to be matched to + inlet 3: position to match + out 1: input if match found + out 2: input if match not found +*/ + +#include "m_pd.h" + +static char *version = "nroute v0.1, written by Olaf Matthes <olaf.matthes@gmx.de>"; + +typedef struct nroute +{ + t_object x_obj; + t_outlet *out1; + t_outlet *out2; + t_int pos; + t_atom match; +} t_nroute; + +typedef struct proxy +{ + t_object obj; + t_int index; /* number of proxy inlet(s) */ + t_nroute *x; /* we'll put the other struct in here */ +} t_proxy; + + + /* this is the routine that actually does the routing / matching */ + /* it get's called by all other routines that get any input and */ + /* even handles the second (proxy) inlet ! */ +static void nroute_any(t_nroute *x, t_symbol *s, int argc, t_atom *argv) +{ + if(s) + { + if (x->pos == 1 && x->match.a_type == A_SYMBOL && x->match.a_w.w_symbol == s) + outlet_anything (x->out1,s,argc,argv); + else if (x->pos > 1 && x->pos <= argc + 1 && + argv[x->pos-2].a_type == x->match.a_type && + argv[x->pos-2].a_w.w_float == x->match.a_w.w_float) + outlet_anything (x->out1,s,argc,argv); + else outlet_anything (x->out2,s,argc,argv); + } + else + { + if (x->pos > 0 && x->pos <= argc && + argv[x->pos-1].a_type == x->match.a_type && + argv[x->pos-1].a_w.w_float == x->match.a_w.w_float) + outlet_list (x->out1,0,argc,argv); + else outlet_list (x->out2,0,argc,argv); + } +} + +static void nroute_float(t_nroute *x, float f) +{ + t_atom a; + + SETFLOAT (&a,f); + nroute_any(x,0,1,&a); +} + +static void nroute_list(t_nroute *x, t_symbol *s, int argc, t_atom *argv) +{ + nroute_any(x,0,argc,argv); +} + +static void nroute_setmatch(t_proxy *p, t_symbol *s, int argc, t_atom *argv) +{ + t_nroute *x = (t_nroute *)(p->x); + + if(argc == 0) /* have to match a symbol */ + { + x->match.a_type = A_SYMBOL; + x->match.a_w.w_symbol = s; + } + else /* got a float */ + { + if(argc > 1) + { + post("nroute: middle inlet accepts only (float,symbol) for match"); + return; + } + x->match.a_type = A_FLOAT; + x->match.a_w.w_float = argv[0].a_w.w_float; + } +} + +static void nroute_setpos(t_nroute *x, t_floatarg f) +{ + x->pos = (t_int)f; +} + +static t_class *nroute_class; +static t_class *proxy_class; + +static void *nroute_new(t_symbol *s, int argc, t_atom *argv) +{ + t_nroute *x = (t_nroute *)pd_new(nroute_class); + t_proxy *inlet = (t_proxy *)pd_new(proxy_class); /* for the proxy inlet */ + + inlet->x = x; /* make x visible to the proxy inlets */ + + x->pos = 1; + x->match.a_type = A_NULL; + if (argc > 2) { error ("nroute: extra arguments"); return 0; } + if (argc > 1) { + if (argv[1].a_type == A_FLOAT) x->pos = argv[1].a_w.w_float; + else { post ("nroute: second argument must be (int) position"); return 0; } + } + if (argc > 0) { + x->match.a_type = argv[0].a_type; + x->match.a_w.w_float = argv[0].a_w.w_float; + } + inlet->index = 0; /* we are going to create a proxy inlet no. 0 */ + /* it belongs to the object t_nroute but the destination is t_proxy */ + inlet_new(&x->x_obj, &inlet->obj.ob_pd, 0,0); + /* and now a 'normal' third inlet */ + inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("right")); + x->out1 = outlet_new(&x->x_obj, gensym("list")); + x->out2 = outlet_new(&x->x_obj, gensym("list")); + return (x); +} + +#ifndef MAXLIB +void nroute_setup(void) +{ + /* the object's class: */ + nroute_class = class_new(gensym("nroute"), (t_newmethod)nroute_new, + 0, sizeof(t_nroute), 0, A_GIMME, 0); +#else +void maxlib_nroute_setup(void) +{ + /* the object's class: */ + nroute_class = class_new(gensym("maxlib_nroute"), (t_newmethod)nroute_new, + 0, sizeof(t_nroute), 0, A_GIMME, 0); + class_addcreator((t_newmethod)nroute_new, gensym("nroute"), A_GIMME, 0); +#endif + /* a class for the proxy inlet: */ + proxy_class = class_new(gensym("maxlib_nroute_proxy"), NULL, NULL, sizeof(t_proxy), + CLASS_PD|CLASS_NOINLET, A_NULL); + + class_addmethod(nroute_class, (t_method)nroute_setpos, gensym("right"), A_FLOAT, 0); + class_addfloat(nroute_class, nroute_float); + class_addlist(nroute_class, nroute_list); + class_addanything(nroute_class, nroute_any); + class_addanything(proxy_class, nroute_setmatch); +#ifndef MAXLIB + + logpost(NULL, 4, version); +#else + class_sethelpsymbol(nroute_class, gensym("maxlib/nroute-help.pd")); +#endif +} |