public SiiFile DeserializeFromString(string sii)
{
var siiFile = new SiiFile();
sii = RemoveComments(sii);
siiFile.GlobalScope = sii.StartsWith(SiiHeader);
// get units
string unitDeclarations = @"[\w]+?\s*:\s*\""?[\w.]+?\""?\s*{"; // don't @ me
foreach (Match m in Regex.Matches(sii, unitDeclarations, RegexOptions.Singleline))
{
// find ending bracket of this unit
var start = m.Index;
var startBracket = start + m.Length; // start after the opening bracket of the unit
int?end = null;
var bracketsStack = 0;
for (int i = startBracket; i < sii.Length; i++)
{
if (sii[i] == '{')
{
bracketsStack++;
}
else if (sii[i] == '}')
{
bracketsStack--;
}
if (bracketsStack == -1)
{
end = i;
break;
}
}
if (end is null)
{
throw new SiiParserException($"Expected '}}' at {sii.Length - 1}, found EOF");
}
else
{
siiFile.Units.Add(ParseUnit(sii.Substring(start, end.Value - start + 1)));
}
}
// parse top level includes
GetTopLevelIncludes(sii, siiFile);
return(siiFile);
}
public static string Serialize(MatFile mat)
{
var siiParser = new SiiParser
{
TupleAttribOpen = "{",
TupleAttribClose = "}"
};
var siiFile = new SiiFile();
siiFile.GlobalScope = false;
var unit = new Unit();
siiFile.Units.Add(unit);
unit.Class = "material";
unit.Name = $"\"{mat.Effect}\"";
unit.Attributes = mat.Attributes;
return(siiParser.Serialize(siiFile));
}
private void GetTopLevelIncludes(string sii, SiiFile siiFile)
{
using var sr = new StringReader(sii);
var bracketsStack = 0;
// in files that use the global scope SiiNunit { },
// ignore first bracket level:
if (sii.StartsWith(SiiHeader))
{
bracketsStack = -1;
}
string line;
while ((line = sr.ReadLine()) != null)
{
// only parse top level includes, so
// make sure we're not inside a unit
foreach (var character in line)
{
if (character == '{')
{
++bracketsStack;
}
else if (character == '}')
{
--bracketsStack;
}
}
if (bracketsStack == 0 && line.StartsWith(IncludeKeyword))
{
var include = ParseInclude(line);
siiFile.Includes.Add(include);
}
}
}