void select_del(t_select *select)
{
t_item *to_del;
to_del = select->current;
if (to_del->next == to_del)
select_quit(select, FALSE);
to_del->prev->next = to_del->next;
to_del->next->prev = to_del->prev;
select->current = to_del->next;
if (to_del == select->items)
select->items = to_del->next;
if (to_del->selected)
--select->nb_selected;
--select->total;
free(to_del);
select_update(select);
select_render(select);
}
/*
user access
arguments: print a tree with
argv[1] = root
argv[2] = number of elements
//*/
int main(int argc, char** argv)
{
puts("common tree");
unsigned int number_of_nodes=0;
unsigned int select=0;
/* // debugging input
init_root(&root, &number_of_nodes, 100);
add_element(root, &number_of_nodes, 50);
add_element(root, &number_of_nodes, 150);
add_element(root, &number_of_nodes, 25);
// add_element(root, &number_of_nodes, 75);
add_element(root, &number_of_nodes, 125);
add_element(root, &number_of_nodes, 175);
add_element(root, &number_of_nodes, 20);
add_element(root, &number_of_nodes, 30);
// add_element(root, &number_of_nodes, 70);
// add_element(root, &number_of_nodes, 80);
add_element(root, &number_of_nodes, 120);
add_element(root, &number_of_nodes, 130);
add_element(root, &number_of_nodes, 170);
add_element(root, &number_of_nodes, 180);
write_tree(root);
quit(&root, &number_of_nodes);
exit(EXIT_SUCCESS);
//*/
// use of command line arguments
/*
if(1 < argc){
puts("..automated with command line arguments");
if(3 == argc){
// generate root
fprintf(stderr, "tree %d root generated\n", atoi(argv[1]));
init_root(&root, &number_of_nodes, atoi(argv[1]));
// populate
fprintf(stderr, "tree with %d nodes generated\n", atoi(argv[2]));
populate_tree(root, &number_of_nodes, atoi(argv[2]));
// write
puts("write tree to file..");
write_tree(root);
puts("done.");
// deleteall
quit(&root, &number_of_nodes);
}else{
puts("Ooups, try:");
fprintf(stderr, "%s <root data> <number of nodes>\n", argv[0]);
exit(EXIT_FAILURE);
}
puts("\n");
exit(EXIT_SUCCESS);
}
//*/
// use of looped front end
do{
printf("\n\navailable operations:\n");
printf("0\tquit\n");
printf("1\tgenerate root\n");
printf("2\tinsert\n");
printf("3\tdelete\n");
printf("4\tfind\n");
printf("5\tcopy\n");
printf("6\ttraverse\n");
printf("7\trotate\n");
printf("8\tshow number of nodes\n");
printf("9\tprint tree to file\n");
readdigit(&select, "select an operation:");
if(0 == select){ // exit
puts("-> QUIT");
select_quit(&number_of_nodes);
break;
}else if(1 == select){ // generate root
puts("-> GENERATE ROOT");
select_generate_root(&number_of_nodes);
}else if(2 == select){ // insert a node
puts("-> INSERT");
select_insert(&number_of_nodes);
}else if(3 == select){ // delete
puts("-> DELETE");
select_delete(&number_of_nodes);
}else if(4 == select){ // find
puts("-> FIND ELEMENT");
select_find(&number_of_nodes);
}else if(5 == select){ // copy
puts("-> COPY");
select_copy(&number_of_nodes);
}else if(6 == select){ // traverse
puts("-> TRAVERSE");
select_traverse(&number_of_nodes);
}else if(7 == select){ // rotate
puts("-> ROTATE");
select_rotate(&number_of_nodes);
}else if(8 == select){ // number of elements
puts("-> NUMBER OF ELEMENTS");
select_number_of_nodes(&number_of_nodes);
}else if(9 == select){ // print to file
puts("-> PRINT TO FILE");
select_print(&number_of_nodes);
}
}while(1);
if(0 != number_of_nodes){
delete_tree(&number_of_nodes);
}
puts("READY.");
exit(EXIT_SUCCESS);
}
