// ----------------------------------------------------------------------------------------
/// <!-- ConvertValuesAndKeys -->
/// <summary>
/// Returns a KeyListFile identifying which values are used by which keys and
/// </summary>
/// <returns></returns>
public KeyListFile ConvertValuesAndKeys(char keyDelimiter, char itemDelimiter)
{
// --------------------------------------------------------------------------
// Initialize the conversion
// --------------------------------------------------------------------------
KeyListFile valuesBecomeKeys = new KeyListFile(keyDelimiter, itemDelimiter);
foreach (string formerKey in this.Keys)
{
List <string> formerValue = this[formerKey];
for (int i = 0; i < formerValue.Count; ++i)
{
if (!valuesBecomeKeys.ContainsKey(formerValue[i]))
{
valuesBecomeKeys.Add(formerValue[i], new List <string>());
}
}
}
// --------------------------------------------------------------------------
// Fill the conversion
// --------------------------------------------------------------------------
foreach (string formerKey in this.Keys)
{
List <string> formerValue = this[formerKey];
for (int i = 0; i < formerValue.Count; ++i)
{
valuesBecomeKeys[formerValue[i]].Add(formerKey);
}
}
return(valuesBecomeKeys);
}
