public static DataPath Parse(string text)
{
Guard.ArgumentNotNullOrEmptyString(text, "text");
string[] parts = text.Split(':');
if (parts.Length < 2)
{
throw new FormatException("String was not recognized as a valid data path");
}
string fromTable = parts[0];
parts = parts[1].Split('!');
int count = parts.Length;
DataPath dataPath = new DataPath(fromTable, parts[count - 1]);
for (int i = 0; i < count - 1; i++)
{
DataPathJoin join = DataPathJoin.Parse(fromTable, parts[i]);
dataPath.Joins.Add(join);
fromTable = join.ToTable;
}
return dataPath;
}
public DataPath Reverse()
{
DataPath newDataPath = new DataPath(TargetTable, RootField);
foreach (DataPathJoin join in _joins)
{
newDataPath._joins.Insert(0, new DataPathJoin(
join.ToTable,
join.ToField,
join.FromTable,
join.FromField));
}
return newDataPath;
}
