private void Add(string address, Cell cell)
{
if(address != cell.Address) {
cell.Address = address;
}
_cells[address] = cell;
if(cell.Parents.Count == 0) {
_roots.Add(cell);
}
}
public void Set(string address, string formula)
{
if(_cells.ContainsKey(address)) {
Cell c = _cells[address];
Remove(address);
c.Formula = formula;
Add(address, c);
} else {
Cell c = new Cell(this, address, formula);
Add(address, c);
}
if(formula == "" && _cells[address].Children.Count == 0) {
Remove(address);
}
}
public Semantics(Cell baseCell)
: this(baseCell, null)
{
}
public Semantics(Cell baseCell, HashSet<RangeToken> dependencies)
{
_baseCell = baseCell;
_dependencies = dependencies;
}
public bool DependentOn(Cell goal)
{
if(this == goal) {
return true;
} else {
foreach(string p in Parents) {
if(_worksheet.GetCell(p).DependentOn(goal)) {
return true;
}
}
return false;
}
}
private void SetBlank(string address)
{
Cell c = new Cell(this, address, "");
Add(address, c);
}