private static void WriteSerializedBDDs(StreamWriter sw)
{
int maxChar = 0xFFFF;
var catMap = new Dictionary <UnicodeCategory, Ranges>();
foreach (UnicodeCategory c in Enum.GetValues <UnicodeCategory>())
{
catMap[c] = new Ranges();
}
Ranges whitespace = new Ranges();
Regex whitespaceRegex = new(@"\s");
for (int i = 0; i <= maxChar; i++)
{
char ch = (char)i;
catMap[char.GetUnicodeCategory(ch)].Add(i);
if (whitespaceRegex.IsMatch(ch.ToString()))
{
whitespace.Add(i);
}
}
//generate bdd reprs for each of the category ranges
BDD[] catBDDs = new BDD[catMap.Count];
CharSetSolver bddb = new CharSetSolver();
for (int c = 0; c < catBDDs.Length; c++)
{
catBDDs[c] = bddb.CreateBddForIntRanges(catMap[(UnicodeCategory)c].ranges);
}
BDD whitespaceBdd = bddb.CreateBddForIntRanges(whitespace.ranges);
sw.WriteLine(" /// <summary>Serialized BDD representations of all the Unicode categories.</summary>");
sw.WriteLine(" public static readonly byte[][] AllCategoriesSerializedBDD = new byte[][]");
sw.WriteLine(" {");
for (int i = 0; i < catBDDs.Length; i++)
{
sw.WriteLine(" // {0}({1}):", (UnicodeCategory)i, i);
sw.Write(" ");
GeneratorHelper.WriteByteArrayInitSyntax(sw, catBDDs[i].SerializeToBytes());
sw.WriteLine(",");
}
sw.WriteLine(" };");
sw.WriteLine();
sw.WriteLine(" /// <summary>Serialized BDD representation of the set of all whitespace characters.</summary>");
sw.Write($" public static readonly byte[] WhitespaceSerializedBDD = ");
GeneratorHelper.WriteByteArrayInitSyntax(sw, whitespaceBdd.SerializeToBytes());
sw.WriteLine(";");
}
private static void WriteIgnoreCaseBDD(StreamWriter sw)
{
sw.WriteLine(" /// <summary>Serialized BDD for mapping characters to their case-ignoring equivalence classes in the default (en-US) culture.</summary>");
var solver = new CharSetSolver();
List <EquivalenceClass> ignoreCaseEquivalenceClasses = ComputeIgnoreCaseEquivalenceClasses(solver, new CultureInfo(DefaultCultureName));
BDD ignorecase = solver.False;
foreach (EquivalenceClass ec in ignoreCaseEquivalenceClasses)
{
// Create the Cartesian product of ec._set with itself
BDD crossproduct = solver.And(solver.ShiftLeft(ec._set, 16), ec._set);
// Add the product into the overall lookup table
ignorecase = solver.Or(ignorecase, crossproduct);
}
sw.Write(" public static readonly byte[] IgnoreCaseEnUsSerializedBDD = ");
GeneratorHelper.WriteByteArrayInitSyntax(sw, ignorecase.SerializeToBytes());
sw.WriteLine(";");
}