public static ExprLogic Parse(string exprText)
{
var exprSchema = DeclareSchema();
var refPointer = exprSchema[0];
var resultLogic = ExprLogic.CreateGroup(null);
var currentGroup = resultLogic;
var i = 0;
var exprTextLen = exprText.Length;
while (i < exprTextLen)
{
var(pos, exprGrp, schemaNode) = HandleNode(refPointer, currentGroup, i, exprText);
refPointer = schemaNode;
currentGroup = exprGrp;
i = pos;
}
if (currentGroup.Parent != null)
{
throw new KeywordParserException("Open and close brackets mismatch!");
}
return(resultLogic);
}
static (bool, int, ExprLogic) OpenGroup(int pos, string source, ExprLogic currectGrp)
{
// open group
var res = false;
ExprLogic newGroup = null;
if (source[pos] == OpenGrp)
{
pos++; res = true;
}
if (res)
{
newGroup = currectGrp.AddGroup(ExprLogic.CreateGroup(currectGrp));
currectGrp.ChildEntryLogic = Logic.None;
}
return(res, pos, res ? newGroup : currectGrp);
}