/// <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);
}
// TODO: Clean code base! Current code contains a lot of poorly named variables and messy code.
/// <summary>
/// Constructs the FDS Section from textual data.
/// </summary>
/// <param name="contents">The contents of the data file.</param>
public FDSSection(string contents)
{
StartingLine = 1;
contents = FDSUtility.CleanFileData(contents);
Dictionary <int, FDSSection> spacedsections = new Dictionary <int, FDSSection>()
{
{ 0, this }
};
List <string> ccomments = new List <string>();
List <string> seccomments = new List <string>();
FDSSection csection = this;
string[] data = contents.SplitFast('\n');
int pspaces = 0;
string secwaiting = null;
List <FDSData> clist = null;
for (int i = 0; i < data.Length; i++)
{
string line = data[i];
int spaces;
for (spaces = 0; spaces < line.Length; spaces++)
{
if (line[spaces] != ' ')
{
break;
}
}
if (spaces == line.Length)
{
continue;
}
string datum = line.Substring(spaces).TrimEnd(' ');
if (datum.StartsWith("#"))
{
ccomments.Add(datum.Substring(1));
continue;
}
if (spaces < pspaces)
{
if (spacedsections.TryGetValue(spaces, out FDSSection temp))
{
csection = temp;
foreach (int test in new List <int>(spacedsections.Keys))
{
if (test > spaces)
{
spacedsections.Remove(test);
}
}
}
else
{
Exception(i, line, "Spaced incorrectly. Spacing length is less than previous spacing length,"
+ "but does not match the spacing value of any known section, valid: "
+ string.Join(" / ", spacedsections.Keys) + ", found: " + spaces + ", was: " + pspaces);
}
}
if (datum[0] == '-')
{
string clistline = datum.Substring(1).TrimStart(' ');
if (clist == null)
{
if (spaces >= pspaces && secwaiting != null)
{
clist = new List <FDSData>();
csection.SetRootData(FDSUtility.UnEscapeKey(secwaiting), new FDSData()
{
PrecedingComments = new List <string>(seccomments), Internal = clist
});
seccomments.Clear();
secwaiting = null;
}
else
{
Exception(i, line, "Line purpose unknown, attempted list entry when not building a list");
}
}
clist.Add(new FDSData()
{
PrecedingComments = new List <string>(ccomments), Internal = FDSUtility.InterpretType(FDSUtility.UnEscape(clistline))
});
ccomments.Clear();
continue;
}
clist = null;
string startofline = "";
string endofline = "";
char type = '\0';
for (int spot = 0; spot < datum.Length; spot++)
{
if (datum[spot] == ':' || datum[spot] == '=')
{
type = datum[spot];
startofline = datum.Substring(0, spot);
endofline = spot == datum.Length - 1 ? "": datum.Substring(spot + 1);
break;
}
}
endofline = endofline.TrimStart(' ');
if (type == '\0')
{
Exception(i, line, "Line purpose unknown");
}
if (startofline.Length == 0)
{
Exception(i, line, "Empty key label!");
}
if (spaces > pspaces && secwaiting != null)
{
FDSSection sect = new FDSSection();
csection.SetRootData(FDSUtility.UnEscapeKey(secwaiting), new FDSData()
{
PrecedingComments = new List <string>(seccomments), Internal = sect
});
seccomments.Clear();
csection = sect;
spacedsections[spaces] = sect;
secwaiting = null;
}
if (type == '=')
{
if (endofline.Length == 0)
{
csection.SetRootData(FDSUtility.UnEscapeKey(startofline), new FDSData()
{
PrecedingComments = new List <string>(ccomments), Internal = new byte[0]
});
}
else
{
csection.SetRootData(FDSUtility.UnEscapeKey(startofline), new FDSData()
{
PrecedingComments = new List <string>(ccomments), Internal = Convert.FromBase64String(endofline)
});
}
ccomments.Clear();
}
else if (type == ':')
{
if (endofline.Length == 0)
{
secwaiting = startofline;
seccomments = new List <string>(ccomments);
ccomments.Clear();
}
else
{
csection.SetRootData(FDSUtility.UnEscapeKey(startofline), new FDSData()
{
PrecedingComments = new List <string>(ccomments), Internal = FDSUtility.InterpretType(FDSUtility.UnEscape(endofline))
});
ccomments.Clear();
}
}
else
{
Exception(i, line, "Internal issue: unrecognize 'type' value: " + type);
}
pspaces = spaces;
}
}