static void* save_state_cmd (int argc, char **argv, void *data)
{
Node *pos = (Node *) data;
Node *i;
Node *j;
if (savedtree != NULL) {
tree_free (savedtree);
}
savedtree = node_new ();
i = node_root (pos);
j = savedtree;
do {
j = savedtree = tree_duplicate (i, j);
i = node_down (i);
j = node_insert_down (j);
} while (i != NULL);
j = node_remove (j);
{
int no;
no = node_no (pos);
savedtree = node_root (savedtree);
while (--no)
savedtree = node_recurse (savedtree);
}
return pos;
}
static int copy_cmd (int argc,char **argv, void *data)
{
Node *pos = (Node *) data;
if (clipboard != NULL) {
tree_free (clipboard);
}
clipboard = node_new ();
clipboard = tree_duplicate (pos, clipboard);
return (int) pos;
}
static int paste_cmd (int argc,char **argv, void *data)
{
Node *pos = (Node *) data;
if (clipboard == NULL) {
docmd (pos, "status no data in clipboard");
} else {
Node *temp;
temp = node_insert_down (pos);
tree_duplicate (clipboard, temp);
}
return (int) pos;
}
static void* cut_cmd (int argc,char **argv, void *data)
{
Node *pos = (Node *) data;
if(prefs.readonly){
cli_outfun("readonly flag set, avoiding tree change");
return data;
}
if (clipboard != NULL) {
tree_free (clipboard);
}
clipboard = node_new ();
clipboard = tree_duplicate (pos, clipboard);
pos = node_remove (pos);
docmd(pos,"tree_changed");
return pos;
}
static void* paste_cmd (int argc,char **argv, void *data)
{
Node *pos = (Node *) data;
if (clipboard == NULL) {
docmd (pos, "status no data in clipboard");
} else {
Node *temp;
if(prefs.readonly){
cli_outfun("readonly flag set, avoiding insertion");
return data;
}
temp = node_insert_down (pos);
tree_duplicate (clipboard, temp);
docmd(pos,"tree_changed");
}
return pos;
}
