Adding param to my official externals

svn path=/trunk/externals/tof/; revision=12435

1 files changed, 735 insertions, 0 deletions

diff --git a/src/param.h b/src/param.h
new file mode 100644
index 0000000..9113840
--- /dev/null
+++ b/src/param.h
@@ -0,0 +1,735 @@
+//#define PARAMDEBUG
+#include <stdio.h>
+
+char param_buf_temp_a[MAXPDSTRING];
+char param_buf_temp_b[MAXPDSTRING];
+char* separator = "/";
+
+//char PARAMECHO = 0;
+
+
+struct param {
+   
+   t_symbol*		root;
+   t_symbol* 		path; //Path(name) of the param
+   t_symbol*    	send;
+   t_symbol*		receive; 
+   t_symbol* 		selector; //Type of data stored
+   int			 	alloc; //Memory allocated
+   int 				ac; //Number of values stored
+   t_atom* 			av; //Values stored
+   struct param* 	next; //Next param
+   struct param* 	previous; //Previous param
+   int 				users; //Number of param objects using this param
+   t_symbol* 		id; //The base id
+   int 				ac_g; //Gui argument count
+   t_atom*			av_g; //Gui argument values
+};
+
+struct paramroot {
+	t_symbol*			root;
+	struct param* 		params; //param list
+	struct paramroot* 	next; //Next paramroot
+    struct paramroot* 	previous; //Previous paramroot
+};
+
+struct paramroot* paramroots;
+
+//struct param* paramlist;
+
+
+static void set_param_anything( struct param* p, t_symbol* s, int ac, t_atom *av) {
+	
+	if ( s == &s_bang || ac == 0 ) {
+		p->ac = 0;
+		p->selector = s;
+	} else {
+		if(ac > p->alloc) {	
+			p->av = resizebytes(p->av, p->alloc*sizeof(*(p->av)), 
+				(10 + ac)*sizeof(*(p->av)));
+			p->alloc = 10 + ac;
+		}
+		p->ac = ac;
+		p->selector = s;
+		tof_copy_atoms(av, p->av, ac);
+    }
+}
+
+
+static void set_param( struct param* p, int ac, t_atom *av) {
+	t_symbol* s;
+	tof_set_selector(&s,&ac, &av );
+	set_param_anything(p,s,ac,av);
+}
+
+
+
+
+
+/*
+static void print_all_params(void) {
+	
+	struct param* p = paramlist;
+	post("--paramlist--");
+		while(p) {
+			if ( p->path) post("Path: %s",p->path->s_name);
+			if (p->id) post("Id: %s",p->id->s_name);
+			p = p->next;
+	}
+	
+}
+*/
+
+
+static struct paramroot* param_get_root(t_symbol* root) {
+	
+	if (paramroots == NULL) {
+		#ifdef PARAMDEBUG
+		post("Could not get...not even one root created");
+		#endif
+		return NULL;
+	 }
+	
+	
+	// Pointer to the start of paramroots
+	struct paramroot* branch = paramroots;
+		
+		while( branch ) {
+			if ( branch->root == root) {
+				#ifdef PARAMDEBUG
+				  post("Found root:%s",root->s_name);
+				#endif
+				
+				return branch;
+			}
+			branch = branch->next; 
+		}
+	#ifdef PARAMDEBUG
+		post("Could not find root");
+	#endif
+	return branch;
+	
+}
+
+
+static struct paramroot* param_root_attach(t_symbol* root){
+		
+		// Pointer to the start of paramroots
+		struct paramroot* branch = paramroots;
+		
+		while( branch ) {
+			if ( branch->root == root) {
+				#ifdef PARAMDEBUG
+				  post("Found root:%s",root->s_name);
+				#endif
+				
+				return branch;
+			}
+			if ( branch->next == NULL ) break;
+			branch = branch->next; 
+		}
+		
+		// we did not find a paramroot linked to this root canvas
+		// so we create it
+		#ifdef PARAMDEBUG
+			 post("Creating root:%s",root->s_name);
+		#endif
+		
+		// Create and add paramroot to the end
+		struct paramroot* newbranch = getbytes(sizeof(*newbranch));
+		newbranch->root = root;
+		newbranch->next = NULL;
+		newbranch->params = NULL;
+		
+		if (branch) {
+			#ifdef PARAMDEBUG
+			  post("Appending it to previous roots");
+			#endif
+			newbranch->previous = branch;
+			branch->next = newbranch;
+		} else {
+			#ifdef PARAMDEBUG
+				post("Creating first root");
+			#endif
+			newbranch->previous = NULL;
+			paramroots = newbranch;
+		}
+		
+		
+		return newbranch;
+	
+}
+
+
+
+static struct param* get_param_list(t_symbol* root) {
+	
+	
+	struct paramroot* branch = param_get_root(root);
+	if (branch) {
+		
+	#ifdef PARAMDEBUG
+		post("Getting params from %s",branch->root->s_name);
+		if (!branch->params) post("Root contains no params");
+	#endif
+		return branch->params;
+	} 
+	
+	return NULL;
+    
+	
+}
+
+static t_symbol* param_get_name ( int ac, t_atom* av  ) {
+	
+	if (ac  && IS_A_SYMBOL(av, 0)) {
+		char *firstChar =  (atom_getsymbol(av))->s_name;
+		if (*firstChar == *separator) {
+			return atom_getsymbol(av);
+		 }
+	} 
+	post("param requires a name that starts with a \"/\"");
+	return NULL;
+}
+
+// Name can be NULL
+
+static t_symbol* param_get_path( t_canvas* i_canvas,  t_symbol* name) {
+	
+	char* sbuf_name = param_buf_temp_a;
+	char* sbuf_temp = param_buf_temp_b;
+	sbuf_name[0] = '\0';
+	sbuf_temp[0] = '\0';
+	//char* separator = "/";
+	
+	
+	t_symbol* id_s = gensym("/id"); // symbol that points to "/id" symbol
+	   
+    // arguments of the current canvas being analyzed
+    int i_ac;
+    t_atom * i_av;
+	
+	// temp pointer to the current id being added to the path
+	t_symbol* id_temp;
+	
+	/* FIND ID AND BASEPATH  */
+   while( i_canvas->gl_owner) {
+	   // Ignore all supatches
+	   if ( tof_canvas_is_not_subpatch(i_canvas) ) {
+		tof_get_canvas_arguments(i_canvas,&i_ac, &i_av);
+		id_temp=tof_get_canvas_name(i_canvas);
+		//id_temp= canvas_realizedollar(i_canvas, gensym("$0"));
+		int ac_a = 0;
+		t_atom* av_a = NULL;
+		int iter = 0;
+		//found_id_flag = 0;
+		
+		while( tof_next_tagged_argument(*separator,i_ac,i_av,&ac_a,&av_a,&iter) ) {
+			
+			if ( IS_A_SYMBOL(av_a,0)
+			   && (id_s == av_a->a_w.w_symbol) 
+			   && (ac_a > 1) ) {  
+	           	id_temp = atom_getsymbol(av_a+1);
+	           	//id_canvas = i_canvas;
+				//found_id_flag = 1;
+	           	break;
+			}
+		}	        
+        // if ever an /id is missing, this param is not saveable
+        //if (found_id_flag == 0)  saveable = 0;
+        
+	   // Prepend newly found ID
+		   strcpy(sbuf_temp,sbuf_name);
+		   strcpy(sbuf_name, separator);
+		   strcat(sbuf_name, id_temp->s_name);
+		   strcat(sbuf_name,sbuf_temp);  
+		}
+        i_canvas = i_canvas->gl_owner;
+    } 
+  //strcat(sbuf_name,separator);
+  if ( name != NULL) {
+	  strcat(sbuf_name,name->s_name);
+  } else {
+	  strcat(sbuf_name, separator);
+  }
+  
+  return gensym(sbuf_name);
+	
+}
+
+
+
+// root, path, ac, av, ac_g, av_g
+// From there, deduct id, path_, etc...
+
+//static struct param* register_param( t_canvas* canvas, int o_ac, t_atom* o_av) {
+
+static struct param* param_register(t_symbol* root, t_symbol* path, int ac, t_atom* av,int ac_g, t_atom* av_g) {
+	
+			
+     //char *separator = "/";
+		
+		
+		
+		/* GET POINTER TO PARAMLIST FOR THAT ROOT  */
+		struct paramroot* branch = param_root_attach(root);
+        struct param* last = branch->params;
+		
+		// Search for param with same path
+		while( last ) {
+			if ( last->path == path) {
+				#ifdef PARAMDEBUG
+				  post("Found param with same name");
+				#endif
+				last->users = last->users + 1;
+				return last;
+			}
+			if ( last->next == NULL ) break;
+			last = last->next; 
+		}
+		
+		// Create and add param to the end
+		
+		
+		
+		
+		struct param* p = getbytes(sizeof(*p));
+		p->root = root;
+		p->alloc = 0;
+		p->path = path;
+		
+		// Create receive and send symbols: $0/path
+		strcpy(param_buf_temp_a,p->root->s_name);  
+		//strcat(param_buf_temp_a,separator);
+		strcat(param_buf_temp_a,p->path->s_name);
+		p->receive = gensym(param_buf_temp_a);
+		strcat(param_buf_temp_a,"_");  
+		p->send = gensym(param_buf_temp_a);
+		
+		p->next = NULL;
+		p->users = 1;
+		//p->id = id;
+		set_param( p, ac, av);
+		p->ac_g = ac_g;
+		p->av_g = getbytes(ac_g*sizeof(*(p->av_g)));
+		tof_copy_atoms(av_g,p->av_g,ac_g);
+		if (last) {
+			#ifdef PARAMDEBUG
+			  post("Appending param");
+			#endif
+			p->previous = last;
+			last->next = p;
+		} else {
+			#ifdef PARAMDEBUG
+				post("Creating first param");
+			#endif
+			p->previous = NULL;
+			branch->params = p;
+		}
+		
+		
+		return p;
+   
+}
+
+static void param_unregister(struct param* p) {
+	
+	//post("unregistering %s", p->path->s_name);
+	struct paramroot* branch = param_get_root(p->root);
+	struct param* paramlist = branch->params;
+	
+	if ( paramlist) {
+
+		p->users = p->users - 1;
+		if ( p->users == 0 ) {
+			// Remove param
+			//post("Removing last param of this name");
+			if (p->previous) {
+				p->previous->next = p->next;
+				if (p->next) p->next->previous = p->previous;
+				/*
+				if (p->next == NULL) {
+					p->previous->next = NULL;
+				} else {
+					p->previous->next = p->next;
+				}
+				*/
+			} else {
+				paramlist = p->next;
+				if ( p->next != NULL) p->next->previous = NULL;
+			}
+			freebytes(p->av, p->alloc * sizeof *(p->av) );
+			freebytes(p->av_g, p->ac_g * sizeof *(p->av_g) );
+			freebytes(p, sizeof *p);
+		}
+		
+		// Update the params for that root
+		if (paramlist == NULL) {
+			if (branch->previous) {
+				branch->previous->next = branch->next;
+					if (branch->next) branch->next->previous = branch->previous;
+			} else {
+				paramroots = branch->next;
+				if ( branch->next != NULL) branch->next->previous = NULL;
+			}
+			#ifdef PARAMDEBUG
+			  post("Removing root:%s",branch->root->s_name);
+			#endif
+			freebytes(branch, sizeof *branch);
+		} else {
+			branch->params = paramlist;
+		}
+		
+	} else {
+		post("Euh... no params found!");
+	}
+	
+	
+}
+
+
+
+
+
+
+/*
+static void get_param_build_info(t_canvas* canvas, int o_ac, t_atom* o_av, struct param_build_info* pbi, int flag) {
+	
+	 pbi->path = NULL;
+	 pbi->path_g = NULL;
+	 pbi->av = NULL;
+	 int saveable = 1;
+	 pbi->ac = 0;
+	 pbi->id = NULL;
+	 pbi->ac_g = 0;
+	 pbi->av_g = NULL;
+	 pbi->basepath = NULL;
+	 pbi->basename = NULL;
+	 
+	 int ac;
+	 t_atom* av;
+	 tof_get_canvas_arguments(canvas,&ac, &av);
+	
+	char *separator = "/";
+	char sbuf_name[MAXPDSTRING];
+	char sbuf_temp[MAXPDSTRING];
+	sbuf_name[0] = '\0';
+	sbuf_temp[0] = '\0';
+	
+   t_symbol* id = gensym("/id");
+   t_canvas* id_canvas = canvas;
+   t_canvas* i_canvas = canvas;
+   
+   int i;
+   
+   int i_ac;
+   t_atom * i_av;
+   
+   // A simple flag to indicate if an ID was found
+   int found_id_flag;
+   
+   
+   t_symbol* id_s = NULL;
+   
+   
+   while( i_canvas->gl_owner) {
+	   // Ignore all supatches
+	   if ( tof_canvas_is_not_subpatch(i_canvas) ) {
+		tof_get_canvas_arguments(i_canvas,&i_ac, &i_av);
+		id_s= canvas_realizedollar(i_canvas, gensym("$0"));
+	
+		
+		int start = 0;
+		int count = 0;
+		found_id_flag = 0;
+		
+		while( tof_get_tagged_argument('/',i_ac,i_av,&start,&count) ) {
+			
+			if ( IS_A_SYMBOL(i_av,start)
+			   && (id == (i_av+start)->a_w.w_symbol) 
+			   && (count > 1) ) {  
+	           	id_s = atom_getsymbol(i_av+start+1);
+	           	id_canvas = i_canvas;
+				found_id_flag = 1;
+	           	break;
+			}
+			start= start + count;
+		}
+		        
+				
+        // if ever an /id is missing, this param is not saveable
+        if (found_id_flag == 0)  saveable = 0;
+        
+		
+	   // Prepend newly found ID
+		   strcpy(sbuf_temp,sbuf_name);
+		   strcpy(sbuf_name, "/");
+		   strcat(sbuf_name, id_s->s_name);
+		   strcat(sbuf_name,sbuf_temp);  
+        
+		}
+        i_canvas = i_canvas->gl_owner;
+    } 
+    
+	if ( saveable ) {
+		
+		if ( id_s) {
+			
+			int id_buf_length = strlen(id_s->s_name)+2;
+			char * id_buf = getbytes(id_buf_length * sizeof (*id_buf));
+			strcpy(id_buf, "/");
+			strcat(id_buf,id_s->s_name);
+			pbi->id = gensym(id_buf);
+			freebytes(id_buf,id_buf_length * sizeof (*id_buf));
+		} else {
+			pbi->id = gensym("/");
+		}
+		
+	}
+	
+	pbi->basepath = gensym(sbuf_name);
+	
+	if (flag) {
+		
+			// FIND NAME
+		  t_symbol* midpath = NULL;
+		  //t_symbol* basename = NULL;
+		  
+		  if (o_ac  && IS_A_SYMBOL(o_av, 0)) {
+			char *firstChar =  (atom_getsymbol(o_av))->s_name;
+			if (*firstChar == (char)'/') {
+				 strcat(sbuf_name, atom_getsymbol(o_av)->s_name);
+				  pbi->path = gensym(sbuf_name);
+				  strcat(sbuf_temp, atom_getsymbol(o_av)->s_name);
+				  midpath = gensym(sbuf_temp);
+				  strcat(sbuf_name, "_");
+				  pbi->path_g = gensym(sbuf_name);
+				  pbi->basename = atom_getsymbol(o_av);
+			 }
+		  } 
+		  
+		  // if ( x->x_param )
+		  
+		  
+		  if ( pbi->path) {
+		  
+		  
+		  // FIND VALUE
+		  // A. Find in SUB canvas arguments
+		  // B. In canvas' arguments
+		  // C. In object's arguments
+		  // D. Defaults to a bang
+		  
+		  int p_ac =0;
+		  t_atom* p_av;
+		  
+		  
+		   // A. If name, try to find value in ID canvas' arguments
+		  if ( midpath) {
+			// GET ID CANVAS ARGUMENTS (may be the same as the local canvas)
+			//int i_ac;
+			//t_atom * i_av;
+			tof_get_canvas_arguments(id_canvas,&i_ac , &i_av);
+			param_find_value(midpath, i_ac, i_av,&(pbi->ac),&(pbi->av));
+		  } 
+		  
+		  // B. If basename, try to find value in LOCAL canvas' arguments
+		  if ( pbi->basename && pbi->ac == 0 ) {
+		
+			param_find_value(pbi->basename, ac, av,&(pbi->ac),&(pbi->av));
+		  } 
+		  
+		  
+			// C. If no value found in canvas' arguments, check the object's arguments
+		  if ( pbi->ac == 0  && o_ac > 1) {
+			int start = 1;
+			int count = 0;
+			tof_get_tagged_argument('/',o_ac,o_av,&start,&count);
+			if (count > 0) {
+				pbi->ac = count;
+				pbi->av = o_av + start;
+			}
+		  }
+		 
+		 //FIND THE GUI TAGS
+		 param_find_value(gensym("/gui"), o_ac, o_av,&(pbi->ac_g),&(pbi->av_g));
+		 //post("GUI COUNT:%d",pbi->ac_g);
+		  
+	}	
+	
+}
+}
+*/
+
+static void param_send_prepend(struct param *p, t_symbol* s,t_symbol* prepend) {
+	
+	if (p) {
+	   if((p->selector == &s_bang)) {
+			// if (s->s_thing) 
+			  //   pd_bang(s->s_thing);
+	  } else {
+		if (s->s_thing) {
+			if ( p->selector == &s_list || p->selector == &s_float || p->selector == &s_symbol ) {
+				typedmess(s->s_thing, prepend, p->ac, p->av);
+			} else {
+			int ac = p->ac + 1;
+			t_atom *av = getbytes(ac*sizeof(*av));	
+			tof_copy_atoms(p->av,av+1,p->ac);
+			SETSYMBOL(av, p->selector);
+			typedmess(s->s_thing, prepend, ac, av);
+			freebytes(av, ac*sizeof(*av));
+		}
+		}
+	  }
+	}
+}
+
+static void param_output(struct param *p, t_outlet* outlet) {
+	// SHOULD I COPY THIS DATA BEFORE SENDING IT OUT?
+	// OR IS THE NORM TO ONLY COPY ON INPUT?
+	if (p) {
+		if(!(p->selector == &s_bang) ) {
+			
+			outlet_anything(outlet, p->selector, p->ac, p->av);
+		}
+	}	
+}
+
+
+static void param_output_prepend(struct param* p, t_outlet* outlet, t_symbol* s) {
+	
+	if (p->selector == &s_list || p->selector == &s_float  || p->selector == &s_symbol) {
+			//t_atom *av = (t_atom *)getbytes(p->ac*sizeof(t_atom));	
+			//tof_copy_atoms(p->av,av,p->ac);
+			outlet_anything(outlet,s,p->ac,p->av);
+			//freebytes(av, p->ac*sizeof(t_atom));
+	} else if (p->selector != &s_bang) {
+			int ac = p->ac + 1;
+			t_atom *av = (t_atom *)getbytes(ac*sizeof(t_atom));	
+			tof_copy_atoms(p->av,av+1,p->ac);
+			SETSYMBOL(av, p->selector);
+			outlet_anything(outlet,s,ac,av);
+			freebytes(av, ac*sizeof(t_atom));
+	} else if (p->selector == &s_bang) {
+		outlet_anything(outlet,s,0,NULL);
+	}
+	
+}
+
+
+// Write will only save the params that share the same root
+static int param_write(t_canvas* canvas, t_symbol* filename) {
+	
+	
+	int w_error;
+	
+	//t_symbol* filename = param_makefilename(basename, n);
+		
+	t_binbuf *bbuf = binbuf_new();
+	
+	struct param *p = get_param_list(tof_get_dollarzero(canvas));
+	while(p) {
+	    if ((p->selector != &s_bang)) {
+			int ac = p->ac + 2;
+			t_atom *av = getbytes(ac*sizeof(*av));	
+			tof_copy_atoms(p->av,av+2,p->ac);
+			SETSYMBOL(av, p->path);
+			SETSYMBOL(av+1, p->selector);
+			binbuf_add(bbuf, ac, av);
+			binbuf_addsemi(bbuf);
+			
+			freebytes(av, ac*sizeof(*av));
+		}
+		p = p->next;
+	}
+	
+	
+    char buf[MAXPDSTRING];
+    canvas_makefilename(canvas, filename->s_name,
+        buf, MAXPDSTRING);
+		
+	
+    w_error = (binbuf_write(bbuf, buf, "", 0));
+            //pd_error("%s: write failed", filename->s_name);
+			
+	binbuf_free(bbuf);
+	
+	return w_error;
+    
+}
+
+
+static int param_read(t_canvas* canvas, t_symbol* filename)
+{
+	
+	int r_error;
+	
+	//t_symbol* filename = param_makefilename(basename, n);
+	
+	t_binbuf *bbuf = binbuf_new();
+	
+    r_error= (binbuf_read_via_canvas(bbuf, filename->s_name, canvas, 0));
+            //pd_error(x, "%s: read failed", filename->s_name);
+			
+    t_symbol* root = tof_get_dollarzero(canvas);
+	
+	int bb_ac = binbuf_getnatom(bbuf);
+	int ac = 0;
+    t_atom *bb_av = binbuf_getvec(bbuf);
+    t_atom *av = bb_av;
+	
+	  while (bb_ac--) {
+		if (bb_av->a_type == A_SEMI) {
+			if ( IS_A_SYMBOL(av,0) && ac > 1) {
+				t_symbol* path = atom_getsymbol(av);
+				strcpy(param_buf_temp_a,root->s_name);
+				strcat(param_buf_temp_a,path->s_name);
+			   t_symbol* s = gensym(param_buf_temp_a);
+			   #ifdef PARAMDEBUG
+				post("Restoring:%s",s->s_name);
+			   #endif
+			   
+			   // STUPID SYMBOL WITH SPACES MANAGEMENT
+			   if ( s->s_thing && ac > 3 && IS_A_SYMBOL(av,1) &&  atom_getsymbol(av+1) == &s_symbol) {
+				   // This whole block is simply to convert symbols saved with spaces to complete symbols
+				   
+				   t_binbuf *bbuf_stupid = binbuf_new();
+				   binbuf_add(bbuf_stupid, ac-2, av+2);
+				   
+				   char *char_buf;
+				   int char_length;
+				   binbuf_gettext(bbuf_stupid, &char_buf, &char_length);
+				   char_buf = resizebytes(char_buf, char_length, char_length+1);
+				   char_buf[char_length] = 0;
+				   t_symbol* stupid_symbol = gensym(char_buf);
+				   //post("STUPID: %s",stupid_symbol->s_name);
+				   freebytes(char_buf, char_length+1);
+				   binbuf_free(bbuf_stupid);
+				   t_atom* stupid_atom = getbytes(sizeof(*stupid_atom));
+				   SETSYMBOL(stupid_atom, stupid_symbol);
+				   pd_typedmess(s->s_thing, &s_symbol, 1, stupid_atom);
+				   freebytes(stupid_atom, sizeof(*stupid_atom));
+				   
+			   } else {
+					if ( s->s_thing) pd_forwardmess(s->s_thing, ac-1, av+1);
+				}
+		    }
+		  
+		  ac = 0;
+		  av = bb_av + 1;
+		} else {
+		  
+		  ac = ac + 1;
+		}
+		bb_av++;
+	  }
+	
+	
+	binbuf_free(bbuf);
+	
+	return r_error;
+}
+
+
+
+