internal void AddParseValueAction(int minimumDigits, int maximumDigits, char patternChar,
int minimumValue, int maximumValue,
Action <TBucket, int> valueSetter)
{
AddParseAction((cursor, bucket) =>
{
int startingIndex = cursor.Index;
int value;
bool negative = cursor.Match('-');
if (negative && minimumValue >= 0)
{
cursor.Move(startingIndex);
return(ParseResult <TResult> .UnexpectedNegative(cursor));
}
if (!cursor.ParseDigits(minimumDigits, maximumDigits, out value))
{
cursor.Move(startingIndex);
return(ParseResult <TResult> .MismatchedNumber(cursor, new string(patternChar, minimumDigits)));
}
if (negative)
{
value = -value;
}
if (value < minimumValue || value > maximumValue)
{
cursor.Move(startingIndex);
return(ParseResult <TResult> .FieldValueOutOfRange(cursor, value, patternChar));
}
valueSetter(bucket, value);
return(null);
});
}
/// <summary>
/// Equivalent of <see cref="AddParseValueAction"/> but for 64-bit integers. Currently only
/// positive values are supported.
/// </summary>
internal void AddParseInt64ValueAction(int minimumDigits, int maximumDigits, char patternChar,
long minimumValue, long maximumValue, Action <TBucket, long> valueSetter)
{
Preconditions.DebugCheckArgumentRange(nameof(minimumValue), minimumValue, 0, long.MaxValue);
AddParseAction((cursor, bucket) =>
{
int startingIndex = cursor.Index;
if (!cursor.ParseInt64Digits(minimumDigits, maximumDigits, out long value))
{
cursor.Move(startingIndex);
return(ParseResult <TResult> .MismatchedNumber(cursor, new string(patternChar, minimumDigits)));
}
if (value < minimumValue || value > maximumValue)
{
cursor.Move(startingIndex);
return(ParseResult <TResult> .FieldValueOutOfRange(cursor, value, patternChar));
}
valueSetter(bucket, value);
return(null);
});
}