private static INfa CharacterClass(RegexCharacterClass characterClass, bool negate)
{
switch (characterClass.NodeType)
{
case RegexNodeType.RegexCharacterClass:
return UnitRange(characterClass.CharacterRange, negate);
case RegexNodeType.RegexCharacterClassAlteration:
var alteration = characterClass as RegexCharacterClassAlteration;
return Union(
UnitRange(alteration.CharacterRange, negate),
CharacterClass(alteration.CharacterClass, negate));
}
throw new InvalidOperationException("Unreachable code detected.");
}
public RegexSet(RegexCharacterClass characterClass, bool negate)
{
Negate = negate;
CharacterClass = characterClass;
this.hashCode = ComputeHashCode();
}
public RegexSet(bool negate, RegexCharacterClass characterClass)
{
Negate = negate;
CharacterClass = characterClass;
_hashCode = ComputeHashCode();
}
public RegexCharacterClassAlteration(RegexCharacters characterRange, RegexCharacterClass characterClass)
: base(characterRange)
{
CharacterClass = characterClass;
}