diff options
Diffstat (limited to 'iemlib2/src/iem_prepend.c')
| -rw-r--r-- | iemlib2/src/iem_prepend.c | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/iemlib2/src/iem_prepend.c b/iemlib2/src/iem_prepend.c new file mode 100644 index 0000000..8b97b93 --- /dev/null +++ b/iemlib2/src/iem_prepend.c @@ -0,0 +1,246 @@ +/* For information on usage and redistribution, and for a DISCLAIMER OF ALL +* WARRANTIES, see the file, "LICENSE.txt," in this distribution. + +iemlib2 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 */ + + +#include "m_pd.h" +#include "iemlib.h" + + +/* ----------------------- iem_prepend --------------------------- */ +/* -- concatenates message from cold (right) inlet with message -- */ +/* ------- from hot (left) inlet and outputs it; initial ------- */ +/* --- arguments (prependix) are eqal to message of cold inlet --- */ + +struct _iem_prepend_proxy; + +static t_class *iem_prepend_class; +static t_class *iem_prepend_proxy_class; + +typedef struct _iem_prepend +{ + t_object x_obj; + struct _iem_prepend_proxy *x_proxy_inlet; + int x_size; + int x_ac; + t_atom *x_at; + t_symbol *x_selector_sym; +} t_iem_prepend; + +typedef struct _iem_prepend_proxy +{ + t_object p_obj; + t_iem_prepend *p_owner; +} t_iem_prepend_proxy; + +static void iem_prepend_atcopy(t_atom *src, t_atom *dst, int n) +{ + while(n--) + *dst++ = *src++; +} + +static void iem_prepend_bang(t_iem_prepend *x) +{ + outlet_anything(x->x_obj.ob_outlet, x->x_selector_sym, x->x_ac, x->x_at); +} + +static void iem_prepend_float(t_iem_prepend *x, t_floatarg f) +{ + if(x->x_selector_sym == &s_bang) + outlet_float(x->x_obj.ob_outlet, f); + else + { + SETFLOAT(x->x_at+x->x_ac, f); + outlet_anything(x->x_obj.ob_outlet, x->x_selector_sym, x->x_ac+1, x->x_at); + } +} + +static void iem_prepend_symbol(t_iem_prepend *x, t_symbol *s) +{ + if(x->x_selector_sym == &s_bang) + outlet_symbol(x->x_obj.ob_outlet, s); + else + { + SETSYMBOL(x->x_at+x->x_ac, s); + outlet_anything(x->x_obj.ob_outlet, x->x_selector_sym, x->x_ac+1, x->x_at); + } +} + +static void iem_prepend_pointer(t_iem_prepend *x, t_gpointer *gp) +{ + if(x->x_selector_sym == &s_bang) + outlet_pointer(x->x_obj.ob_outlet, gp); + else + { + SETPOINTER(x->x_at+x->x_ac, gp); + outlet_anything(x->x_obj.ob_outlet, x->x_selector_sym, x->x_ac+1, x->x_at); + } +} + +static void iem_prepend_list(t_iem_prepend *x, t_symbol *s, int ac, t_atom *av) +{ + if((ac+x->x_ac+1) >= x->x_size) + { + x->x_at = (t_atom *)resizebytes(x->x_at, x->x_size*sizeof(t_atom), (ac+x->x_ac+11)*sizeof(t_atom)); + x->x_size = ac + x->x_ac + 11; + } + if(x->x_selector_sym == &s_bang) + outlet_anything(x->x_obj.ob_outlet, &s_list, ac, av); + else + { + iem_prepend_atcopy(av, x->x_at + x->x_ac, ac); + outlet_anything(x->x_obj.ob_outlet, x->x_selector_sym, x->x_ac+ac, x->x_at); + } +} + +static void iem_prepend_anything(t_iem_prepend *x, t_symbol *s, int ac, t_atom *av) +{ + if((ac+x->x_ac+2) >= x->x_size) + { + x->x_at = (t_atom *)resizebytes(x->x_at, x->x_size*sizeof(t_atom), (ac+x->x_ac+12)*sizeof(t_atom)); + x->x_size = ac + x->x_ac + 12; + } + if(x->x_selector_sym == &s_bang) + outlet_anything(x->x_obj.ob_outlet, s, ac, av); + else + { + SETSYMBOL(x->x_at + x->x_ac, s); + iem_prepend_atcopy(av, x->x_at+x->x_ac+1, ac); + outlet_anything(x->x_obj.ob_outlet, x->x_selector_sym, x->x_ac+ac+1, x->x_at); + } +} + +/* begin of proxy methods (anything inlets) */ + +static void iem_prepend_proxy_bang(t_iem_prepend_proxy *p) +{ + t_iem_prepend *x = p->p_owner; + + x->x_ac = 0; + x->x_selector_sym = &s_bang; +} + +static void iem_prepend_proxy_float(t_iem_prepend_proxy *p, t_floatarg f) +{ + t_iem_prepend *x = p->p_owner; + + x->x_ac = 1; + SETFLOAT(x->x_at, f); + x->x_selector_sym = &s_list; +} + +static void iem_prepend_proxy_symbol(t_iem_prepend_proxy *p, t_symbol *s) +{ + t_iem_prepend *x = p->p_owner; + + x->x_ac = 1; + SETSYMBOL(x->x_at, s); + x->x_selector_sym = &s_list; +} + +static void iem_prepend_proxy_pointer(t_iem_prepend_proxy *p, t_gpointer *gp) +{ + t_iem_prepend *x = p->p_owner; + + x->x_ac = 1; + SETPOINTER(x->x_at, gp); + x->x_selector_sym = &s_list; +} + +static void iem_prepend_proxy_list(t_iem_prepend_proxy *p, t_symbol *s, int ac, t_atom *av) +{ + t_iem_prepend *x = p->p_owner; + + if((2*ac+10) > x->x_size) + { + x->x_at = (t_atom *)resizebytes(x->x_at, x->x_size*sizeof(t_atom), (2*ac+10)*sizeof(t_atom)); + x->x_size = 2*ac+10; + } + x->x_ac = ac; + x->x_selector_sym = &s_list; + iem_prepend_atcopy(av, x->x_at, ac); +} + +static void iem_prepend_proxy_anything(t_iem_prepend_proxy *p, t_symbol *s, int ac, t_atom *av) +{ + t_iem_prepend *x = p->p_owner; + + if((2*ac+11) > x->x_size) + { + x->x_at = (t_atom *)resizebytes(x->x_at, x->x_size*sizeof(t_atom), (2*ac+11)*sizeof(t_atom)); + x->x_size = 2*ac + 11; + } + x->x_ac = ac; + x->x_selector_sym = s; + iem_prepend_atcopy(av, x->x_at, ac); +} + +/* end of proxy methods (anything inlets) */ + +static void iem_prepend_free(t_iem_prepend *x) +{ + if(x->x_at) + freebytes(x->x_at, x->x_size * sizeof(t_atom)); + if(x->x_proxy_inlet) + pd_free((t_pd *)x->x_proxy_inlet); +} + +static void *iem_prepend_new(t_symbol *s, int ac, t_atom *av) +{ + t_iem_prepend *x = (t_iem_prepend *)pd_new(iem_prepend_class); + t_iem_prepend_proxy *p = (t_iem_prepend_proxy *)pd_new(iem_prepend_proxy_class); + + x->x_proxy_inlet = p; + p->p_owner = x; + + x->x_size = 30; + if(ac > 10) + x->x_size = 2*ac + 10; + x->x_at = (t_atom *)getbytes(x->x_size * sizeof(t_atom)); + if(!ac) + { + x->x_ac = 0; + x->x_selector_sym = &s_bang; + } + else + { + if(IS_A_FLOAT(av, 0)) + { + iem_prepend_proxy_list(p, &s_list, ac, av); + } + else if(IS_A_SYMBOL(av, 0)) + { + iem_prepend_proxy_anything(p, atom_getsymbol(av), ac-1, av+1); + } + } + inlet_new((t_object *)x, (t_pd *)p, 0, 0); + outlet_new(&x->x_obj, &s_list); + return (x); +} + +void iem_prepend_setup(void) +{ + iem_prepend_class = class_new(gensym("iem_prepend"), + (t_newmethod)iem_prepend_new, (t_method)iem_prepend_free, + sizeof(t_iem_prepend), 0, A_GIMME, 0); + class_addcreator((t_newmethod)iem_prepend_new, gensym("pp"), A_GIMME, 0); + class_addcreator((t_newmethod)iem_prepend_new, gensym("prepend"), A_GIMME, 0); + + class_addbang(iem_prepend_class, (t_method)iem_prepend_bang); + class_addpointer(iem_prepend_class, iem_prepend_pointer); + class_addfloat(iem_prepend_class, (t_method)iem_prepend_float); + class_addsymbol(iem_prepend_class, iem_prepend_symbol); + class_addlist(iem_prepend_class, iem_prepend_list); + class_addanything(iem_prepend_class, iem_prepend_anything); +// class_sethelpsymbol(iem_prepend_class, gensym("iemhelp/help-iem_prepend")); + + iem_prepend_proxy_class = class_new(gensym("_iem_prepend_proxy"), + 0, 0, sizeof(t_iem_prepend_proxy), CLASS_PD | CLASS_NOINLET, 0); + class_addbang(iem_prepend_proxy_class, (t_method)iem_prepend_proxy_bang); + class_addpointer(iem_prepend_proxy_class, iem_prepend_proxy_pointer); + class_addfloat(iem_prepend_proxy_class, (t_method)iem_prepend_proxy_float); + class_addsymbol(iem_prepend_proxy_class, iem_prepend_proxy_symbol); + class_addlist(iem_prepend_proxy_class, iem_prepend_proxy_list); + class_addanything(iem_prepend_proxy_class, iem_prepend_proxy_anything); +} |