path: root/PDContainer/src/h_map.cpp

// *********************(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_map.cpp


#include "include/HMap.h"


static t_class *h_map_class;
static t_class *proxy_class;

typedef struct _h_map 
{
  t_object  x_obj;
  t_canvas *x_canvas;
  t_outlet *out0, *out1, *out2;
  HMap *hmap;
  Element value;
  bool event_set;
} t_h_map;

typedef struct proxy
{
  t_object obj;
  t_int index;  // number of proxy inlet(s)
  t_h_map *x;	// we'll put the other struct in here
} t_proxy;

static void h_map_add(t_h_map *x, t_symbol *s, int argc, t_atom *argv)
{
  if(!x->event_set)
    {
      post("h_map, add: you must first set a value at right inlet!");
      return;
    }
  
  if(argc)
    {
      Element key(argc,argv);
      x->hmap->add(key, x->value);
      x->event_set = false;
    }
  else
    post("h_map, add: no arguments"); 
}

static void h_map_value(t_proxy *p, t_symbol *s, int argc, t_atom *argv)
{
  t_h_map *x = (t_h_map *)(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, symbol or pointer):
  if (argc)
    {
      x->value.setAtoms(argc, argv);
      x->event_set = true;
      return;
    }
}

static void h_map_get(t_h_map *x, t_symbol *s, int argc, t_atom *argv)
{
  if(!argc)
    {
      post("h_map, get: no arguments"); 
      return;
    }

  Element key(argc,argv);
  Element output;

  try
  { output = x->hmap->get( key ); }

  catch(const char* s)
  {
    // if there was no Element found, put out a bang at the right outlet
    post("%s", s);
    outlet_bang(x->out2);
    return;
  }

  if(output.getLength() == 1) // symbol, float or pointer
    {
      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_map_remove(t_h_map *x, t_symbol *s, int argc, t_atom *argv)
{
  if(!argc)
    {
      post("h_map, remove: no arguments"); 
      return;
    }

  Element key(argc,argv);

  try
  { x->hmap->remove( key ); }

  catch(const char* s)
  { post("%s", s); }
}

static void h_map_getsize(t_h_map *x)
{
  outlet_float(x->out1,x->hmap->getSize());
}

static void h_map_help(t_h_map *x)
{
  x->hmap->help();
}

static void h_map_set_namespace(t_h_map *x, t_symbol *s)
{
  x->hmap->setNamespace(s->s_name);
}

static void h_map_get_namespace(t_h_map *x)
{
  post("h_map current namespace: %s",x->hmap->getNamespace().c_str());
}

static void h_map_keys(t_h_map *x)
{
  map<Element,Element>::iterator iter = x->hmap->getAll().begin();
  
  while(iter != x->hmap->getAll().end())
  {
    Element output = (*iter).first;
 
    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);
    }
    if(output.getLength() > 1) // list
      outlet_list(x->out0,&s_list,output.getLength(),output.getAtom());

    iter++;
  }
}

static void h_map_values(t_h_map *x)
{
  map<Element,Element>::iterator iter  = x->hmap->getAll().begin();
  
  while(iter != x->hmap->getAll().end())
  {
    Element output = (*iter).second;
 
    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);
    }
    if(output.getLength() > 1) // list
      outlet_list(x->out0,&s_list,output.getLength(),output.getAtom());

    iter++;
  }
}

static void h_map_print(t_h_map *x)
{
  x->hmap->printAll();
}

static void h_map_clear(t_h_map *x)
{
  x->hmap->clearNamespace();
}

static void h_map_clear_all(t_h_map *x)
{
  x->hmap->clearAll();
}

static void h_map_save(t_h_map *x, t_symbol *s)
{
  // make correct path
  char filnam[MAXPDSTRING];
  char filename[MAXPDSTRING];
  canvas_makefilename(x->x_canvas, s->s_name, filnam, MAXPDSTRING);
  sys_bashfilename(filnam, filename);

  if(x->hmap->saveToFile(filename))
    post("h_map: data of namespace %s written to file %s",
	 x->hmap->getNamespace().c_str(),s->s_name);
  else
    post("h_map: couldn't write to file %s",s->s_name);
}

static void h_map_save_xml(t_h_map *x, t_symbol *s)
{
  // make correct path
  char filnam[MAXPDSTRING];
  char filename[MAXPDSTRING];
  canvas_makefilename(x->x_canvas, s->s_name, filnam, MAXPDSTRING);
  sys_bashfilename(filnam, filename);

  if(x->hmap->saveToFileXML(filename))
    post("h_map: data of namespace %s written to file %s",
	 x->hmap->getNamespace().c_str(),s->s_name);
  else
    post("h_map: couldn't write to file %s",s->s_name);
}

static void h_map_read(t_h_map *x, t_symbol *s)
{
  // make correct path
  char filnam[MAXPDSTRING];
  char filename[MAXPDSTRING];
  canvas_makefilename(x->x_canvas, s->s_name, filnam, MAXPDSTRING);
  sys_bashfilename(filnam, filename);

  if(!x->hmap->readFromFile(filename))
    post("h_map: couldn't read from file %s",s->s_name);
}

static void h_map_read_xml(t_h_map *x, t_symbol *s)
{
  // make correct path
  char filnam[MAXPDSTRING];
  char filename[MAXPDSTRING];
  canvas_makefilename(x->x_canvas, s->s_name, filnam, MAXPDSTRING);
  sys_bashfilename(filnam, filename);

  if(!x->hmap->readFromFileXML(filename))
    post("h_map: couldn't read from file %s",s->s_name);
}

static void *h_map_new(t_symbol *s, int argc, t_atom *argv) 
{

  t_h_map *x = (t_h_map *)pd_new(h_map_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_map warning: only one argument for namespace is possible!");
    case 1:
      x->hmap = new HMap(atom_getsymbol(argv)->s_name);
      break;
    case 0:
      x->hmap = new HMap();
      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_map_free(t_h_map *x)
{
  delete x->hmap;
  return (void *)x;
}

#if defined(PDCONTAINER_SINGLE_OBJECT)
// for PD-Extended
extern "C" {
#endif

void h_map_setup(void) 
{
  // the object class
  h_map_class = class_new(gensym("h_map"), (t_newmethod)h_map_new,
				(t_method)h_map_free, sizeof(t_h_map), 
				CLASS_DEFAULT, A_GIMME, 0);

  // a class for the proxy-inlet
  proxy_class = class_new(gensym("h_map_proxy"), NULL, NULL, sizeof(t_proxy),
			  CLASS_PD|CLASS_NOINLET, A_NULL);

  class_addmethod(h_map_class, (t_method)h_map_add, 
		  gensym("add"), A_GIMME , 0);
  class_addanything(proxy_class, (t_method)h_map_value); // the right inlet
  class_addmethod(h_map_class, (t_method)h_map_get, 
		  gensym("get"), A_GIMME , 0);
  class_addmethod(h_map_class, (t_method)h_map_remove, 
		  gensym("remove"), A_GIMME , 0);
  class_addmethod(h_map_class, (t_method)h_map_getsize, 
		  gensym("getsize"), A_DEFFLOAT , 0);
  class_addmethod(h_map_class, (t_method)h_map_set_namespace, 
		  gensym("namespace"), A_DEFSYMBOL , 0);
  class_addmethod(h_map_class, (t_method)h_map_get_namespace, 
		  gensym("getnamespace"), A_DEFFLOAT, 0);
  class_addmethod(h_map_class, (t_method)h_map_keys,
		  gensym("keys"), A_DEFFLOAT, 0);
  class_addmethod(h_map_class, (t_method)h_map_values,
		  gensym("values"), A_DEFFLOAT, 0);
  class_addmethod(h_map_class, (t_method)h_map_print,
		  gensym("print"), A_DEFFLOAT, 0);
  class_addmethod(h_map_class, (t_method)h_map_clear,  
		  gensym("clear"), A_DEFFLOAT, 0);
  class_addmethod(h_map_class, (t_method)h_map_clear_all,  
		  gensym("clearall"), A_DEFFLOAT, 0);
  class_addmethod(h_map_class, (t_method)h_map_save, 
		  gensym("save"), A_DEFSYMBOL , 0);
  class_addmethod(h_map_class, (t_method)h_map_save_xml, 
		  gensym("saveXML"), A_DEFSYMBOL , 0);
  class_addmethod(h_map_class, (t_method)h_map_read, 
		  gensym("read"), A_DEFSYMBOL , 0);
  class_addmethod(h_map_class, (t_method)h_map_read_xml, 
		  gensym("readXML"), A_DEFSYMBOL , 0);

  // without an argument the following two methods wont work ??? why?? because of c++?
  class_addmethod(h_map_class, (t_method)h_map_help, gensym("help"),A_DEFFLOAT, 0);
}

#if defined(PDCONTAINER_SINGLE_OBJECT)
// for PD-Extended
}
#endif