/// <summary>
/// Gets data from the section.
/// Returns null if not found.
/// </summary>
/// <param name="key">The key to get data from.</param>
/// <returns>The data found, or null.</returns>
public FDSData GetDataLowered(string key)
{
key = key.ToLowerFast();
int lind = key.LastIndexOf(SectionPathSplit);
if (lind < 0)
{
return(GetRootDataLowered(key));
}
if (lind == key.Length - 1)
{
return(null);
}
FDSSection sec = GetSectionInternal(key.Substring(0, lind), true, true);
if (sec == null)
{
return(null);
}
return(sec.GetRootDataLowered(key.Substring(lind + 1)));
}
/// <summary>
/// Gets a sub-section of this FDS section.
/// </summary>
/// <param name="key">The key of the section.</param>
/// <param name="allowNull">Whether to allow null returns, otherwise enforce the section's existence. If true, can throw an FDSInputException!</param>
/// <param name="lowered">Whether to read lowercase section names. If set, expects lowercased input key!</param>
/// <returns>The subsection.</returns>
private FDSSection GetSectionInternal(string key, bool allowNull, bool lowered)
{
if (key == null || key.Length == 0)
{
return(this);
}
string[] dat = key.SplitFast(SectionPathSplit);
FDSSection current = this;
for (int i = 0; i < dat.Length; i++)
{
FDSData fdat = lowered ? current.GetRootDataLowered(dat[i]) : current.GetRootData(dat[i]);
if (fdat != null && fdat.Internal is FDSSection)
{
current = (FDSSection)fdat.Internal;
}
else
{
if (allowNull)
{
return(null);
}
if (fdat != null)
{
throw new FDSInputException("Key contains non-section contents!");
}
FDSSection temp = new FDSSection();
current.SetRootData(dat[i], new FDSData()
{
Internal = temp, PrecedingComments = new List <string>()
});
current = temp;
}
}
return(current);
}
