private static void StructureSyntax(List <LexCapture> elements, ScopeBuilder scopebuilder)
{
foreach (var element in elements)
{
switch (element.Type.Name)
{
case LuceneQueryParser.KeywordParenthesesOpen:
scopebuilder.BeginSubGroup();
break;
case LuceneQueryParser.KeywordParenthesesClose:
scopebuilder.ExitSubGroup();
break;
case LuceneQueryParser.KeywordQuoteContent:
switch (scopebuilder.LastestGroup.LastOrDefault())
{
case StringSanitizerToken stringToken:
var stringGroup = new StringGroupSanitizerToken();
scopebuilder.LastestGroup.Last.Value = stringGroup;
stringGroup.Tokens.Add(stringToken);
stringGroup.Tokens.Add(new StringSanitizerToken(element.Value));
break;
case StringGroupSanitizerToken group:
group.Tokens.Add(new StringSanitizerToken(element.Value));
break;
default:
scopebuilder.LastestGroup.AddLast(new StringSanitizerToken(element.Value));
break;
}
break;
case LuceneQueryParser.KeywordOperator:
switch (element.Value)
{
case "AND":
case "OR":
scopebuilder.LastestGroup.AddLast(new BinaryOperatorSanitizerToken(element.Value));
break;
case "NOT":
scopebuilder.LastestGroup.AddLast(new UnaryOperatorSanitizerToken("!"));
break;
case "+":
case "-":
case "!":
scopebuilder.LastestGroup.AddLast(new UnaryOperatorSanitizerToken(element.Value));
break;
default:
throw new InvalidOperationException();
}
break;
case LuceneQueryParser.KeywordOperand:
scopebuilder.LastestGroup.AddLast(new OperandSanitizerToken(element.Value));
break;
case LuceneQueryParser.KeywordWhiteSpace:
scopebuilder.LastestGroup.AddLast(new DelimiterSanitizerToken());
break;
}
}
}