/// <inheritdoc/>
public virtual bool IsAcceptableAsType(string candidateString, IDataTypeSize size)
{
//we must preserve leading zeroes if its not actually 0 -- if they have 010101 then we have to use string but if they have just 0 we can use decimal
if (zeroPrefixedNumber.IsMatch(candidateString))
{
return(false);
}
return(IsAcceptableAsTypeImpl(candidateString, size));
}
/// <inheritdoc/>
protected override bool IsAcceptableAsTypeImpl(string candidateString, IDataTypeSize size)
{
// "Y" / "N" is boolean unless the settings say it can't
if (!Settings.CharCanBeBoolean && singleCharacter.IsMatch(candidateString))
{
return(false);
}
return(base.IsAcceptableAsTypeImpl(candidateString, size));
}
/// <inheritdoc/>
protected override bool IsAcceptableAsTypeImpl(string candidateString, IDataTypeSize sizeRecord)
{
if (IsExplicitDate(candidateString))
{
return(false);
}
if (!candidateString.IsConvertibleTo(out int i, Culture))
{
return(false);
}
sizeRecord.Size.IncreaseTo(i.ToString().Trim('-').Length, 0);
return(true);
}
/// <inheritdoc/>
protected override bool IsAcceptableAsTypeImpl(string candidateString, IDataTypeSize sizeRecord)
{
try
{
//if it parses as a date
if (DateTime.TryParse(candidateString, CultureInfo.CurrentCulture, DateTimeStyles.NoCurrentDateDefault, out var t))
{
return(t.Year == 1 && t.Month == 1 && t.Day == 1);//without any ymd component then it's a date... this means 00:00 is a valid TimeSpan too
}
return(false);
}
catch (Exception)
{
return(false);
}
}
/// <inheritdoc/>
protected override bool IsAcceptableAsTypeImpl(string candidateString, IDataTypeSize sizeRecord)
{
candidateString = TrimTrailingZeros(candidateString);
if (IsExplicitDate(candidateString))
{
return(false);
}
if (!decimal.TryParse(candidateString, NumberStyles.Any, Culture, out var t))
{
return(false);
}
var dec = ((SqlDecimal)t);
sizeRecord.Size.IncreaseTo(dec.Precision - dec.Scale, dec.Scale);
return(true);
}
/// <summary>
/// Returns true if the given <paramref name="candidateString"/> is compatible with the T Type of this decider. This is the prefered method of overriding IsAcceptable.
/// </summary>
/// <param name="candidateString"></param>
/// <param name="size"></param>
/// <returns></returns>
protected virtual bool IsAcceptableAsTypeImpl(string candidateString, IDataTypeSize size)
{
return(candidateString.IsConvertibleTo <T>(Culture));
}
/// <inheritdoc/>
protected override bool IsAcceptableAsTypeImpl(string candidateString, IDataTypeSize sizeRecord)
{
//strings should never be interpreted as byte arrays
return(false);
}
