public static U32Location Parse(ref String expr)
{
Regex r = new Regex(@"^(0x[a-f0-9A-F]+|[0-9]+)");
var match = r.Match(expr);
expr = expr.Substring(match.Length);
U32Location loc = new U32Location(null, Operator.None, FlexibleUInt32.Parse(match.Groups[1].Value));
do
{
r = new Regex(@"^(\&|\<\<|\>\>|\@)(0x[A-Fa-f0-9]+|[0-9]+)");
match = r.Match(expr);
if (!match.Success)
{
break;
}
expr = expr.Substring(match.Length);
loc = new U32Location(
loc,
OpStr(match.Groups[1].Value),
FlexibleUInt32.Parse(match.Groups[2].Value));
} while (true);
return(loc);
}
public int Feed(CommandParser parser, bool not)
{
switch (parser.GetCurrentArg())
{
case OptionToSource:
ToSource = IPPortOrRange.Parse(parser.GetNextArg());
return(1);
case OptionToDestination:
ToDestination = IPPortOrRange.Parse(parser.GetNextArg());
return(1);
case OptionRandom:
Random = true;
return(0);
case OptionPersisent:
Persistent = true;
return(0);
case OptionCtMark:
CtMark = FlexibleUInt32.Parse(parser.GetNextArg());
return(1);
case OptionCtMask:
CtMask = FlexibleUInt32.Parse(parser.GetNextArg());
return(1);
}
return(0);
}
public static U32Range Parse(ref String expr)
{
Regex r = new Regex(@"^(0x[A-Fa-f0-9]+|[0-9]+)(?:\:(0x[A-Fa-f0-9]+|[0-9]+))?");
var match = r.Match(expr);
expr = expr.Substring(match.Length);
return(new U32Range(FlexibleUInt32.Parse(match.Groups[1].Value),
FlexibleUInt32.Parse(String.IsNullOrEmpty(match.Groups[2].Value) ? match.Groups[1].Value : match.Groups[2].Value)));
}
public int Feed(CommandParser parser, bool not)
{
switch (parser.GetCurrentArg())
{
case OptionSrcGroup:
SrcGroup = new ValueOrNot <UInt32>(FlexibleUInt32.Parse(parser.GetNextArg()), not);
return(1);
case OptionDstGroup:
DstGroup = new ValueOrNot <UInt32>(FlexibleUInt32.Parse(parser.GetNextArg()), not);
return(1);
}
return(0);
}
