public static string ExtractNextToken(ParsingScript script, char[] to, ref bool inQuotes,
ref int arrayIndexDepth, ref int negated, out char ch, out string action, bool throwExc = true)
{
StringBuilder item = new StringBuilder();
ch = Constants.EMPTY;
action = null;
do
{
string negateSymbol = Utils.IsNotSign(script.Rest);
if (negateSymbol != null && !inQuotes)
{
negated++;
script.Forward(negateSymbol.Length);
continue;
}
ch = script.CurrentAndForward();
CheckQuotesIndices(script, ch, ref inQuotes, ref arrayIndexDepth);
bool keepCollecting = inQuotes || arrayIndexDepth > 0 ||
StillCollecting(item.ToString(), to, script, ref action);
if (keepCollecting)
{
// The char still belongs to the previous operand.
item.Append(ch);
bool goForMore = script.StillValid() &&
(inQuotes || arrayIndexDepth > 0 || !to.Contains(script.Current));
if (goForMore)
{
continue;
}
}
if (SkipOrAppendIfNecessary(item, ch, to))
{
continue;
}
break;
}while (true);
if (to.Contains(Constants.END_ARRAY) && ch == Constants.END_ARRAY &&
item[item.Length - 1] != Constants.END_ARRAY &&
item.ToString().Contains(Constants.START_ARRAY))
{
item.Append(ch);
}
string result = item.ToString();
result = result.Replace("\\\\", "\\");
result = result.Replace("\\\"", "\"");
result = result.Replace("\\'", "'");
if (throwExc && string.IsNullOrWhiteSpace(result) && action != "++" && action != "--" &&
Utils.IsAction(script.Prev) && Utils.IsAction(script.PrevPrev))
{
Utils.ThrowErrorMsg("Can't process token [" + script.PrevPrev + script.Prev + script.Current +
"].", script, script.Current.ToString());
}
return(result);
}