internal PatternPart(RGG rGG, PatternBuilder pattern, PartType partType)
{
RGG = rGG;
Pattern = pattern;
PartType = partType;
_childPatternParts = new List <PatternPart>();
}
internal void Build(string fromNode)
{
switch (PartType)
{
case PartType.PatternStart:
RGG.CreateRGGTransition(fromNode, ToNodeName, TransitionType.PatternStart);
NextPatternPart.Build(ToNodeName);
break;
case PartType.GroupStart:
RGG.CreateRGGTransition(fromNode, ToNodeName, TransitionType.GroupStart, Name);
foreach (PatternPart childPatternPart in ChildPatternParts)
{
childPatternPart.Build(ToNodeName);
}
break;
case PartType.GroupEnd:
if (RGG.GetNode(fromNode).TransitionCount == 0)
{
RGG.CreateRGGTransition(fromNode, ToNodeName, TransitionType.GroupEnd, Name);
NextPatternPart.Build(ToNodeName);
}
break;
case PartType.Terminal:
if (TerminalPattern == null)
{
TerminalPattern = new TerminalPattern(string.Empty);
}
RGG.CreateRGGTransition(fromNode, ToNodeName, TransitionType.Terminal, TerminalPattern);
NextPatternPart.Build(ToNodeName);
break;
case PartType.NonTerminal:
TransitionType transitionType = TransitionType.NonTerminalNonRecursive;
if (Name == Pattern.Name)
{
transitionType = TransitionType.NonTerminalRecursive;
}
RGG.CreateRGGTransition(fromNode, ToNodeName, transitionType, Name);
NextPatternPart.Build(ToNodeName);
break;
case PartType.PatternEnd:
RGG.CreateRGGTransition(fromNode, ToNodeName, TransitionType.PatternEnd);
break;
}
}
internal PatternBuilder(RGG rGG, string patternName)
{
_rGG = rGG;
_patternName = patternName;
_startPatternParts = new List <PatternPart>();
}
