public PapyrusScriptObject Parse(string file)
{
var output = new PapyrusScriptObject();
output.Name = Path.GetFileNameWithoutExtension(file);
var source = File.ReadAllText(file);
while (source.Contains(";/") && source.Contains("/;"))
{
var start = source.IndexOf(";/");
var end = source.IndexOf("/;");
source = source.Remove(start, 1 + end - start);
}
while (source.Contains('{') && source.Contains('}'))
{
var start = source.IndexOf('{');
var end = source.IndexOf('}');
source = source.Remove(start, 1 + end - start);
}
source = source.Replace('\t', ' ').Trim();
var sourceLines = source.Split('\n');
ParseScript(ref output, sourceLines);
return(output);
}
public void ParseScript(ref PapyrusScriptObject output, string[] sourceLines)
{
var insideFunction = false;
var insideState = false;
PapyrusScriptFunction lastFunction = null;
var lastState = new PapyrusScriptStateFunction();
output.StateFunctions.Add(lastState);
var lastParametersFinished = true;
for (var i = 0; i < sourceLines.Length; i++)
{
sourceLines[i] = sourceLines[i].Trim();
if (sourceLines[i].StartsWith(";") || string.IsNullOrEmpty(sourceLines[i]) || sourceLines[i].Length < 3)
{
continue;
}
if (sourceLines[i].Contains(";"))
{
sourceLines[i] = sourceLines[i].Remove(sourceLines[i].IndexOf(';'));
}
var l = sourceLines[i].ToLower();
var u = sourceLines[i];
var dataSplits = l.TrimSplit(" ");
var dataSplitsNormal = u.TrimSplit(" ");
// We won't handle EndProperty just yet.
// Since we are not exposing any properties to the DLL atm
if (l.StartsWith("endproperty"))
{
continue;
}
if (dataSplits.Contains("import"))
{
output.Imports.Add(dataSplits[1]);
continue;
}
if (l.StartsWith("scriptname "))
{
var data = sourceLines[i].TrimSplit(" ");
if (data.Contains("extends"))
{
var e = data.IndexOf("extends");
output.Extends = data[e + 1];
}
output.Name = data[data.IndexOf("scriptname") + 1];
output.IsConditional = data.Contains("conditional");
output.IsHidden = data.Contains("hidden");
continue;
}
if ((l.StartsWith("state ") || l.StartsWith("auto state ")) && !insideFunction)
{
var values = l.TrimSplit(" ");
lastState = new PapyrusScriptStateFunction();
if (values.Contains("auto"))
{
lastState.IsAuto = true;
lastState.Name = values[2].Trim();
}
else
{
lastState.Name = values[1];
}
output.StateFunctions.Add(lastState);
insideState = true;
continue;
}
if (l.StartsWith("endstate") && insideState)
{
insideState = false;
continue;
}
if (!lastParametersFinished && insideFunction)
{
var param = ParseParameterList(u, out lastParametersFinished);
lastFunction.Parameters.AddRange(param);
if (dataSplits.Contains("global"))
{
lastFunction.IsGlobal = true;
}
if (dataSplits.Contains("native"))
{
lastState.Functions.Add(lastFunction);
insideFunction = false;
}
continue;
}
if (l.StartsWith("event ") || l.Contains(" event ") || l.StartsWith("function ") ||
l.Contains(" function ") && l.Contains("(") && l.Contains(")"))
{
lastFunction = new PapyrusScriptFunction();
lastFunction.ReturnType = new PapyrusScriptVariable
{
VarType = "void"
};
var parameters = GetParameters(sourceLines[i], out lastParametersFinished);
if (l.Contains("function"))
{
var fi = dataSplitsNormal.IndexOf("function");
lastFunction.Name = dataSplitsNormal[fi + 1].Split('(').FirstOrDefault();
if (fi > 0)
{
var val = dataSplitsNormal.FirstOrDefault();
lastFunction.ReturnType = new PapyrusScriptVariable
{
VarType = val,
IsArray = val.Contains("[]")
};
}
}
else if (l.Contains("event"))
{
lastFunction.IsEvent = true;
lastFunction.Name =
dataSplitsNormal[dataSplitsNormal.IndexOf("event") + 1].Split('(').FirstOrDefault();
}
if (dataSplits.Contains("global"))
{
lastFunction.IsGlobal = true;
}
lastFunction.Parameters.AddRange(parameters);
insideFunction = true;
if (dataSplits.Contains("native"))
{
lastFunction.IsNative = true;
lastState.Functions.Add(lastFunction);
insideFunction = false;
}
continue;
}
if (insideFunction && (l.StartsWith("endfunction") || l.StartsWith("endevent")))
{
lastState.Functions.Add(lastFunction);
insideFunction = false;
continue;
}
if (!insideFunction)
{
var prop = new PapyrusScriptVariable();
prop.VarType = dataSplits[0];
prop.IsArray = prop.VarType.Contains("[]");
prop.IsConditional = dataSplits.Contains("conditional");
prop.IsProperty = dataSplits.Contains("property");
prop.IsAuto = dataSplits.Contains("auto");
prop.Name = prop.IsProperty ? dataSplitsNormal[2] : dataSplitsNormal[1];
if (dataSplits.Contains("="))
{
prop.InitialValue = dataSplitsNormal.LastOrDefault().Trim();
prop.HasInitialValue = true;
}
if (prop.Name.Contains("="))
{
var val = prop.Name.TrimSplit("=");
prop.Name = val.FirstOrDefault();
prop.InitialValue = val.LastOrDefault();
prop.HasInitialValue = true;
}
output.Properties.Add(prop);
}
}
}
