private static FilterCluster AnalysisConcatenator(IFilter leftExpr, ConcatenatorTuple coTuple)
{
if (coTuple.Expression == null)
{
return new FilterCluster() { Filters = new[] { leftExpr } };
}
else
{
return new FilterCluster()
{
ConcatenateAnd = coTuple.IsConcatenateAnd,
Filters = new[]{
leftExpr,
AnalysisConcatenator(AnalysisExpression(coTuple.Expression), coTuple.Concatenator)}
};
}
}
private static FilterCluster AnalysisConcatenator(IFilter leftExpr, ConcatenatorTuple coTuple)
{
if (coTuple.Expression == null)
{
return(new FilterCluster()
{
Filters = new[] { leftExpr }
});
}
else
{
return(new FilterCluster()
{
ConcatenateAnd = coTuple.IsConcatenateAnd,
Filters = new[] {
leftExpr,
AnalysisConcatenator(AnalysisExpression(coTuple.Expression), coTuple.Concatenator)
}
});
}
}
private static ConcatenatorTuple MakeConcatenator(ref TokenReader reader)
{
System.Diagnostics.Debug.WriteLine("MakeConcatenator");
ConcatenatorTuple ret = new ConcatenatorTuple();
if (TryLookAhead(ref reader, Token.TokenType.ConcatenatorAnd))
{
ret.IsConcatenateAnd = true;
ret.Expression = MakeExpression(ref reader);
ret.Concatenator = MakeConcatenator(ref reader);
}
else if (TryLookAhead(ref reader, Token.TokenType.ConcatenatorOr))
{
ret.IsConcatenateAnd = false;
ret.Expression = MakeExpression(ref reader);
ret.Concatenator = MakeConcatenator(ref reader);
}
else
{
ret = new ConcatenatorTuple();
}
AssertNextAny(ref reader, false, Token.TokenType.CloseBracket);
return(ret);
}
private static ConcatenatorTuple MakeConcatenator(ref TokenReader reader)
{
System.Diagnostics.Debug.WriteLine("MakeConcatenator");
ConcatenatorTuple ret = new ConcatenatorTuple();
if (TryLookAhead(ref reader, Token.TokenType.ConcatenatorAnd))
{
ret.IsConcatenateAnd = true;
ret.Expression = MakeExpression(ref reader);
ret.Concatenator = MakeConcatenator(ref reader);
}
else if (TryLookAhead(ref reader, Token.TokenType.ConcatenatorOr))
{
ret.IsConcatenateAnd = false;
ret.Expression = MakeExpression(ref reader);
ret.Concatenator = MakeConcatenator(ref reader);
}
else
{
ret = new ConcatenatorTuple();
}
AssertNextAny(ref reader, false, Token.TokenType.CloseBracket);
return ret;
}