public string ToString(bool includeaction = false, bool multi = false) // multi means quoting needed for ) as well as comma space
{
string ret = "";
if (includeaction)
{
ret += eventname.QuoteString(comma: true) + ", " + action.QuoteString(comma: true) + ", " + actiondata.QuoteString(comma: true) + ", ";
}
for (int i = 0; fields != null && i < fields.Count; i++)
{
if (i > 0)
{
ret += " " + innercondition.ToString() + " ";
}
if (ConditionEntry.IsNullOperation(fields[i].matchtype))
{
ret += "Condition " + ConditionEntry.OperatorNames[(int)fields[i].matchtype];
}
else
{
ret += (fields[i].itemname).QuoteString(bracket: multi) + // commas do not need quoting as conditions at written as if always at EOL.
" " + ConditionEntry.OperatorNames[(int)fields[i].matchtype];
if (!ConditionEntry.IsUnaryOperation(fields[i].matchtype))
{
ret += " " + fields[i].matchstring.QuoteString(bracket: multi); // commas do not need quoting..
}
}
}
return(ret);
}
public string Read(string line) // decode a set of multi conditions (<cond> Or <cond>) Outer (<cond> And <cond>) etc
{
StringParser sp = new StringParser(line);
bool multi = false;
string delimchars = " ";
if (sp.IsCharMoveOn('('))
{
multi = true;
delimchars = ") ";
}
List <Condition> cllist = new List <Condition>();
ConditionEntry.LogicalCondition outercond = ConditionEntry.LogicalCondition.Or; // first outer condition is ignored in a list. Or is the default.
while (true)
{
Condition c = new Condition();
string err = c.Read(sp, delimchars: delimchars);
if (err.Length > 0)
{
return(err);
}
c.outercondition = outercond;
cllist.Add(c); // add..
if (sp.IsCharMoveOn(')')) // if closing bracket..
{
if (!multi)
{
return("Closing condition bracket found but no opening bracket present");
}
if (sp.IsEOL) // EOL, end of (cond..cond) outercond ( cond cond)
{
conditionlist = cllist;
return(null);
}
else
{
err = ConditionEntry.GetLogicalCondition(sp, delimchars, out outercond);
if (err.Length > 0)
{
return(err + " for outer condition");
}
if (!sp.IsCharMoveOn('(')) // must have another (
{
return("Missing opening bracket in multiple condition list after " + outercond.ToString());
}
}
}
else if (sp.IsEOL) // last condition
{
if (multi)
{
return("Missing closing braket in multiple condition list");
}
conditionlist = cllist;
return(null);
}
else
{
return("Extra characters beyond expression");
}
}
}