Added single file version of param

svn path=/trunk/externals/tof/; revision=12644

1 files changed, 359 insertions, 0 deletions

diff --git a/src/param.h b/src/param.h
new file mode 100644
index 0000000..dfe8588
--- /dev/null
+++ b/src/param.h
@@ -0,0 +1,359 @@
+#include "tof.h"
+#include <stdio.h>
+#include <fcntl.h>
+
+//#define PARAMDEBUG
+
+typedef void (*t_paramGetMethod)(void*,t_symbol**,int*,t_atom**);
+typedef void (*t_paramSaveMethod)(void*,t_binbuf*,int);
+typedef void (*t_paramGUIMethod)(void*,int*,t_atom**,t_symbol**,t_symbol**);
+//typedef void (*t_paramGUIUpdateMethod)(void*);
+
+static char param_buf_temp_a[MAXPDSTRING];
+static  char param_buf_temp_b[MAXPDSTRING];
+static  char* param_separator = "/";
+
+
+//char PARAMECHO = 0;
+
+//struct _paramroot;
+
+typedef struct _param {
+   t_symbol*			root;
+   t_symbol* 			path; //Path(name) of the param
+   void*				x;
+   struct _param* 		next; //Next param
+   struct _param* 		previous; //Previous param
+   t_paramGetMethod		get; //Function to get current value
+   t_paramSaveMethod	save; //Function to save
+   t_paramGUIMethod		GUI;
+  // t_paramGUIUpdateMethod GUIUpdate;
+   //t_symbol*			send;
+   //t_symbol*			receive;
+} t_param;
+
+typedef struct _paramroot {
+	t_symbol*			root;
+	t_param* 			params; //param list
+	struct _paramroot* 	next; //Next paramroot
+    struct _paramroot* 	previous; //Previous paramroot
+} t_paramroot;
+
+static t_paramroot* PARAMROOTS;
+
+
+static t_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
+	t_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 t_paramroot* param_root_attach(t_symbol* root){
+		
+		// Pointer to the start of paramroots
+		t_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
+		t_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 t_param* get_param_list(t_symbol* root) {
+	
+	
+	t_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* name =  atom_getsymbol(av)->s_name;
+		if (*name == *param_separator ) {
+			int length = strlen(name);
+			if (name[length-1] != '_' || name[length-1] != '/') return atom_getsymbol(av);
+		 }
+	} 
+	post("Param names must start with a \"/\" and can not end with either a \"_\" or a \"/\"!");
+	return 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=NULL;
+		//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(*param_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 (id_temp == NULL) {
+			
+			id_temp = tof_remove_extension(tof_get_canvas_name(i_canvas));	    
+		}    
+        // 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, param_separator);
+		   strcat(sbuf_name, id_temp->s_name);
+		   strcat(sbuf_name,sbuf_temp);  
+		}
+        i_canvas = i_canvas->gl_owner;
+    } 
+  
+  // If no name, the path will always end with a /
+  
+  if ( name != NULL) {
+	  strcat(sbuf_name,name->s_name);
+  } else {
+      //if (strlen(sbuf_name)==0) 
+      strcat(sbuf_name,param_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 t_param* param_register(void* x,t_symbol* root, t_symbol* path,\
+ t_paramGetMethod get, t_paramSaveMethod save, t_paramGUIMethod GUI) {
+	
+			
+     //char *separator = "/";
+		
+		/* GET POINTER TO PARAMLIST FOR THAT ROOT  */
+		t_paramroot* branch = param_root_attach(root);
+        t_param* last = branch->params;
+		
+		// Search for param with same path
+		while( last ) {
+			if ( last->path == path) {
+				
+				  pd_error(x,"Found param with same name: %s", path->s_name);
+				
+				return NULL;
+			}
+			if ( last->next == NULL ) break;
+			last = last->next; 
+		}
+		
+		// Create and add param to the end
+		
+		t_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->x = x;
+		p->get = get;
+		p->save = save;
+		p->GUI = GUI;
+		//p->GUIUpdate = GUIUpdate;
+		//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(t_param* p) {
+	
+	//post("unregistering %s", p->path->s_name);
+	t_paramroot* branch = param_get_root(p->root);
+	t_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!");
+	}
+	
+	
+}
+
+
+