static private Rule Parse(String rulename, String text, bool trace)
{
if (rulename == null)
{
throw new ArgumentNullException("null rulename");
}
if (text == null)
{
throw new ArgumentException("null string");
}
ParserContext context = new ParserContext(text, trace);
Rule rule = null;
if (rulename.ToLower().Equals("Clock".ToLower()))
{
rule = Rule_Clock.Parse(context);
}
else if (rulename.ToLower().Equals("Hours".ToLower()))
{
rule = Rule_Hours.Parse(context);
}
else if (rulename.ToLower().Equals("Minutes".ToLower()))
{
rule = Rule_Minutes.Parse(context);
}
else if (rulename.ToLower().Equals("Seconds".ToLower()))
{
rule = Rule_Seconds.Parse(context);
}
else if (rulename.ToLower().Equals("Separator".ToLower()))
{
rule = Rule_Separator.Parse(context);
}
else
{
throw new ArgumentException("unknown rule");
}
if (rule == null)
{
throw new ParserException(
"rule \"" + (String)context.GetErrorStack().Peek() + "\" failed",
context.text,
context.GetErrorIndex(),
context.GetErrorStack());
}
if (context.text.Length > context.index)
{
ParserException primaryError =
new ParserException(
"extra data found",
context.text,
context.index,
new Stack <String>());
if (context.GetErrorIndex() > context.index)
{
ParserException secondaryError =
new ParserException(
"rule \"" + (String)context.GetErrorStack().Peek() + "\" failed",
context.text,
context.GetErrorIndex(),
context.GetErrorStack());
primaryError.SetCause(secondaryError);
}
throw primaryError;
}
return(rule);
}
public static Rule_Clock Parse(ParserContext context)
{
context.Push("Clock");
Rule rule;
bool parsed = true;
ParserAlternative b;
int s0 = context.index;
ParserAlternative a0 = new ParserAlternative(s0);
List <ParserAlternative> as1 = new List <ParserAlternative>();
parsed = false;
{
int s1 = context.index;
ParserAlternative a1 = new ParserAlternative(s1);
parsed = true;
if (parsed)
{
bool f1 = true;
int c1 = 0;
for (int i1 = 0; i1 < 1 && f1; i1++)
{
rule = Rule_Hours.Parse(context);
if ((f1 = rule != null))
{
a1.Add(rule, context.index);
c1++;
}
}
parsed = c1 == 1;
}
if (parsed)
{
bool f1 = true;
int c1 = 0;
for (int i1 = 0; i1 < 1 && f1; i1++)
{
rule = Rule_Separator.Parse(context);
if ((f1 = rule != null))
{
a1.Add(rule, context.index);
c1++;
}
}
parsed = c1 == 1;
}
if (parsed)
{
bool f1 = true;
int c1 = 0;
for (int i1 = 0; i1 < 1 && f1; i1++)
{
rule = Rule_Minutes.Parse(context);
if ((f1 = rule != null))
{
a1.Add(rule, context.index);
c1++;
}
}
parsed = c1 == 1;
}
if (parsed)
{
bool f1 = true;
int c1 = 0;
for (int i1 = 0; i1 < 1 && f1; i1++)
{
int g1 = context.index;
List <ParserAlternative> as2 = new List <ParserAlternative>();
parsed = false;
{
int s2 = context.index;
ParserAlternative a2 = new ParserAlternative(s2);
parsed = true;
if (parsed)
{
bool f2 = true;
int c2 = 0;
for (int i2 = 0; i2 < 1 && f2; i2++)
{
rule = Rule_Separator.Parse(context);
if ((f2 = rule != null))
{
a2.Add(rule, context.index);
c2++;
}
}
parsed = c2 == 1;
}
if (parsed)
{
bool f2 = true;
int c2 = 0;
for (int i2 = 0; i2 < 1 && f2; i2++)
{
rule = Rule_Seconds.Parse(context);
if ((f2 = rule != null))
{
a2.Add(rule, context.index);
c2++;
}
}
parsed = c2 == 1;
}
if (parsed)
{
as2.Add(a2);
}
context.index = s2;
}
b = ParserAlternative.GetBest(as2);
parsed = b != null;
if (parsed)
{
a1.Add(b.rules, b.end);
context.index = b.end;
}
f1 = context.index > g1;
if (parsed)
{
c1++;
}
}
parsed = true;
}
if (parsed)
{
as1.Add(a1);
}
context.index = s1;
}
b = ParserAlternative.GetBest(as1);
parsed = b != null;
if (parsed)
{
a0.Add(b.rules, b.end);
context.index = b.end;
}
rule = null;
if (parsed)
{
rule = new Rule_Clock(context.text.Substring(a0.start, a0.end - a0.start), a0.rules);
}
else
{
context.index = s0;
}
context.Pop("Clock", parsed);
return((Rule_Clock)rule);
}