internal override InternalResult <string> Parse(ref ParseState <TToken> state)
{
var consumedInput = false;
var builder = new InplaceStringBuilder(_count);
for (var _ = 0; _ < _count; _++)
{
var result = _parser.Parse(ref state);
consumedInput = consumedInput || result.ConsumedInput;
if (!result.Success)
{
return(InternalResult.Failure <string>(consumedInput));
}
builder.Append(result.Value);
}
return(InternalResult.Success(builder.ToString(), consumedInput));
}
internal sealed override bool TryParse(ref ParseState <TToken> state, ref ExpectedCollector <TToken> expecteds, out string result)
{
var builder = new InplaceStringBuilder(_count);
for (var _ = 0; _ < _count; _++)
{
var success = _parser.TryParse(ref state, ref expecteds, out var result1);
if (!success)
{
result = null;
return(false);
}
builder.Append(result1);
}
result = builder.ToString();
return(true);
}
internal sealed override InternalResult <string> Parse(ref ParseState <char> state)
{
var consumedInput = false;
var builder = new InplaceStringBuilder(_value.Length);
foreach (var c in _value)
{
if (!state.HasCurrent)
{
state.Error = new InternalError <char>(
Maybe.Nothing <char>(),
true,
state.SourcePos,
null
);
state.AddExpected(Expected);
return(InternalResult.Failure <string>(consumedInput));
}
var token = state.Current;
if (char.ToLowerInvariant(token) != char.ToLowerInvariant(c))
{
state.Error = new InternalError <char>(
Maybe.Just(token),
false,
state.SourcePos,
null
);
state.AddExpected(Expected);
return(InternalResult.Failure <string>(consumedInput));
}
consumedInput = true;
builder.Append(token);
state.Advance();
}
return(InternalResult.Success <string>(builder.ToString(), consumedInput));
}