/// <summary>
/// Tries to parse the provided string into a <see cref="Grouping"/>.
/// </summary>
/// <param name="stringToParse">The string to try and parse.</param>
/// <param name="depthLevel">How many levels deep this grouping is.</param>
/// <param name="result">The resulting <see cref="Grouping"/></param>
/// <returns>True if the provided string is valid.</returns>
internal static bool TryParseGrouping(string stringToParse, int depthLevel, out Grouping result)
{
result = null;
if (string.IsNullOrWhiteSpace(stringToParse))
{
return false;
}
if (stringToParse.StartsWith("(") && stringToParse.EndsWith(")"))
{
// Strip off the opening and closing parens
stringToParse = stringToParse.Remove(0, 1);
stringToParse = stringToParse.Remove(stringToParse.Length - 1, 1);
}
// We can't end with comma (since it's used for listing).
if (stringToParse.EndsWith(","))
{
return false;
}
try
{
result = new Grouping(stringToParse, depthLevel);
}
catch (Exception)
{
// Since it's a TryParse swallow the exception. This is really bad practice, but for now it's fine.
return false;
}
return true;
}
/// <summary>
/// Attempts to add a child grouping based on the provided string.
/// </summary>
/// <param name="childGroupingAsString"></param>
public void AddChildGrouping(string childGroupingAsString)
{
Grouping grouping;
if (Grouping.TryParseGrouping(childGroupingAsString, this.depthLevel + 1, out grouping))
{
this.childGrouping = grouping;
}
}
/// <summary>
/// Tries to parse the provided string into a <see cref="Grouping"/>. Assumes a depth-level of 0.
/// </summary>
/// <param name="stringToParse">The string to try and parse.</param>
/// <param name="result">The resulting <see cref="Grouping"/></param>
/// <returns>True if the provided string is valid.</returns>
internal static bool TryParseGrouping(string stringToParse, out Grouping result)
{
return TryParseGrouping(stringToParse, 0, out result);
}
