diff options
Diffstat (limited to 'PDContainer/src/h_prioqueue.cpp')
| -rwxr-xr-x | PDContainer/src/h_prioqueue.cpp | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/PDContainer/src/h_prioqueue.cpp b/PDContainer/src/h_prioqueue.cpp new file mode 100755 index 0000000..9f770ed --- /dev/null +++ b/PDContainer/src/h_prioqueue.cpp @@ -0,0 +1,250 @@ +// *********************(c)*2004*********************> +// -holzilib--holzilib--holzilib--holzilib--holzilib-> +// ++++PD-External++by+Georg+Holzmann++grh@gmx.at++++> +// +// PDContainer: +// this is a port of the containers from the C++ STL +// (Standard Template Library) +// for usage see the documentation and PD help files +// for license see readme.txt +// +// h_prioqueue.cpp + + +#include "include/HPrioQueue.h" + + +static t_class *h_priority_queue_class; +static t_class *proxy_class; + +typedef struct _h_priority_queue +{ + t_object x_obj; + t_canvas *x_canvas; + t_outlet *out0, *out1, *out2; + HPrioQueue *hpriority_queue; + Element value; + bool event_set; +} t_h_priority_queue; + +typedef struct proxy +{ + t_object obj; + t_int index; // number of proxy inlet(s) + t_h_priority_queue *x; // we'll put the other struct in here +} t_proxy; + +static void h_priority_queue_push(t_h_priority_queue *x, t_symbol *s, int argc, t_atom *argv) +{ + if(!x->event_set) + { + post("h_priority_queue, insert: you must first set a value at right inlet!"); + return; + } + + float prio; + if(argc && (argv[0].a_type == A_FLOAT)) + prio = static_cast<float>(argv[0].a_w.w_float); + else + { + post("h_priority_queue, push: invalid priority!"); + return; + } + + x->hpriority_queue->push(prio,x->value); + x->event_set = false; +} + +static void h_priority_queue_value(t_proxy *p, t_symbol *s, int argc, t_atom *argv) +{ + t_h_priority_queue *x = (t_h_priority_queue *)(p->x); + + // symbol without selector "symbol": + if(argc == 0) + { + t_atom tmp; + SETSYMBOL(&tmp, s); + x->value.setAtoms(1, &tmp); + x->event_set = true; + return; + } + + // input is a list without selector "list": + if ( argc && (strcmp(s->s_name,"list")!=0) + && (strcmp(s->s_name,"float")!=0) + && (strcmp(s->s_name,"symbol")!=0) + && (strcmp(s->s_name,"pointer")!=0) ) + { + t_atom *atoms = (t_atom*)getbytes( (argc+1)*sizeof(t_atom) ); + + // add the selector symbol to the list: + SETSYMBOL(atoms, s); + + for(int i=0; i<argc; i++) + { + if(argv[i].a_type == A_FLOAT) + SETFLOAT(&atoms[i+1],argv[i].a_w.w_float); + if(argv[i].a_type == A_SYMBOL) + SETSYMBOL(&atoms[i+1],argv[i].a_w.w_symbol); + if(argv[i].a_type == A_POINTER) + SETPOINTER(&atoms[i+1],argv[i].a_w.w_gpointer); + } + + x->value.setAtoms(argc+1, atoms); + + x->event_set = true; + freebytes(atoms, (argc+1)*sizeof(t_atom)); + return; + } + + // "normal" input (list, float, pointer or symbol): + if (argc) + { + x->value.setAtoms(argc, argv); + x->event_set = true; + return; + } +} + +static void h_priority_queue_top(t_h_priority_queue *x) +{ + if(x->hpriority_queue->getSize()==0) + { + // if there was no Element found, put out a bang at the right outlet + outlet_bang(x->out2); + return; + } + + Element output = x->hpriority_queue->top(); + + if(output.getLength() == 1) // symbol or float + { + if (output.getAtom()[0].a_type == A_FLOAT) + outlet_float(x->out0, output.getAtom()[0].a_w.w_float); + if (output.getAtom()[0].a_type == A_SYMBOL) + outlet_symbol(x->out0, output.getAtom()[0].a_w.w_symbol); + if (output.getAtom()[0].a_type == A_POINTER) + outlet_pointer(x->out0, output.getAtom()[0].a_w.w_gpointer); + return; + } + if(output.getLength() > 1) // list + { + outlet_list(x->out0,&s_list,output.getLength(),output.getAtom()); + return; + } + + // if there was no Element found, put out a bang at the right outlet + outlet_bang(x->out2); +} + +static void h_priority_queue_pop(t_h_priority_queue *x) +{ + if(x->hpriority_queue->getSize()<=0) + { + post("h_priority_queue, pop: size is already 0 !"); + return; + } + + x->hpriority_queue->pop(); +} + +static void h_priority_queue_getsize(t_h_priority_queue *x) +{ + outlet_float(x->out1,x->hpriority_queue->getSize()); +} + +static void h_priority_queue_help(t_h_priority_queue *x) +{ + x->hpriority_queue->help(); +} + +static void h_priority_queue_set_namespace(t_h_priority_queue *x, t_symbol *s) +{ + x->hpriority_queue->setNamespace(s->s_name); +} + +static void h_priority_queue_get_namespace(t_h_priority_queue *x) +{ + post("h_priority_queue current namespace: %s",x->hpriority_queue->getNamespace().c_str()); +} + +static void h_priority_queue_clear(t_h_priority_queue *x) +{ + x->hpriority_queue->clearNamespace(); +} + +static void h_priority_queue_clear_all(t_h_priority_queue *x) +{ + x->hpriority_queue->clearAll(); +} + +static void *h_priority_queue_new(t_symbol *s, int argc, t_atom *argv) +{ + t_h_priority_queue *x = (t_h_priority_queue *)pd_new(h_priority_queue_class); + t_proxy *inlet = (t_proxy *)pd_new(proxy_class); // for the proxy inlet + + inlet->x = x; // make x visible to the proxy inlets + + switch(argc) + { + default: + post("h_priority_queue warning: only one argument for namespace is possible!"); + case 1: + x->hpriority_queue = new HPrioQueue(atom_getsymbol(argv)->s_name); + break; + case 0: + x->hpriority_queue = new HPrioQueue(); + break; + } + + // we are going to create a proxy inlet no. 0 + // it belongs to the object x but the destination is t_proxy + inlet->index = 0; + inlet_new(&x->x_obj, &inlet->obj.ob_pd, 0,0); + + x->out0 = outlet_new(&x->x_obj, 0); + x->out1 = outlet_new(&x->x_obj, &s_float); + x->out2 = outlet_new(&x->x_obj, &s_bang); + x->x_canvas = canvas_getcurrent(); + + return (void *)x; +} + +static void *h_priority_queue_free(t_h_priority_queue *x) +{ + delete x->hpriority_queue; + return (void *)x; +} + +void h_priority_queue_setup(void) +{ + // the object class + h_priority_queue_class = class_new(gensym("h_priority_queue"), (t_newmethod)h_priority_queue_new, + (t_method)h_priority_queue_free, sizeof(t_h_priority_queue), + CLASS_DEFAULT, A_GIMME, 0); + + // a class for the proxy-inlet + proxy_class = class_new(gensym("h_priority_queue_proxy"), NULL, NULL, sizeof(t_proxy), + CLASS_PD|CLASS_NOINLET, A_NULL); + + class_addmethod(h_priority_queue_class, (t_method)h_priority_queue_push, + gensym("push"), A_GIMME, 0); + class_addanything(proxy_class, (t_method)h_priority_queue_value); // the right inlet + class_addmethod(h_priority_queue_class, (t_method)h_priority_queue_pop, + gensym("pop"), A_DEFFLOAT, 0); + class_addmethod(h_priority_queue_class, (t_method)h_priority_queue_top, + gensym("top"), A_DEFFLOAT, 0); + class_addmethod(h_priority_queue_class, (t_method)h_priority_queue_getsize, + gensym("getsize"), A_DEFFLOAT , 0); + class_addmethod(h_priority_queue_class, (t_method)h_priority_queue_set_namespace, + gensym("namespace"), A_DEFSYMBOL , 0); + class_addmethod(h_priority_queue_class, (t_method)h_priority_queue_get_namespace, + gensym("getnamespace"), A_DEFFLOAT, 0); + class_addmethod(h_priority_queue_class, (t_method)h_priority_queue_clear, + gensym("clear"), A_DEFFLOAT, 0); + class_addmethod(h_priority_queue_class, (t_method)h_priority_queue_clear_all, + gensym("clearall"), A_DEFFLOAT, 0); + + // without an argument the following two methods wont work ??? why?? because of c++? + class_addmethod(h_priority_queue_class, (t_method)h_priority_queue_help, gensym("help"),A_DEFFLOAT, 0); +} |