ForNeVeR#60 added a style validator

Fixed the crash caused when the style is incomplete.
B3zaleel · Aug 31, 2018 · bebfe08 · bebfe08
1 parent 19d5ac6
commit bebfe08
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/WpfMath/Parsers/TexFormulaParser.cs b/src/WpfMath/Parsers/TexFormulaParser.cs
@@ -712,6 +712,9 @@ private Atom GetSimpleFractionAtom(TexFormula formula,SourceSpan value,ref int p
             TexFormula numeratorFormula = null;
             TexFormula denominatorFormula = null;
 
+            if(fracparamsfound=false)
+                throw new TexParseException("The current fraction style is invalid");
+
             if (Regex.IsMatch(sb.ToString(), @".+/.+"))
             {
                 midLength = sb.ToString().Split('/')[0].Length;