private static void HandleHalfAmPmDesignator <TResult, TBucket>
(int count, string specifiedDesignator, int specifiedDesignatorValue, Func <TResult, int> hourOfDayGetter, Action <TBucket, int> amPmSetter,
SteppedPatternBuilder <TResult, TBucket> builder)
where TBucket : ParseBucket <TResult>
{
CompareInfo compareInfo = builder.FormatInfo.CompareInfo;
if (count == 1)
{
string abbreviation = specifiedDesignator.Substring(0, 1);
builder.AddParseAction((str, bucket) =>
{
int value = str.MatchCaseInsensitive(abbreviation, compareInfo, true) ? specifiedDesignatorValue : 1 - specifiedDesignatorValue;
amPmSetter(bucket, value);
return(null);
});
builder.AddFormatAction((value, sb) =>
{
// Only append anything if it's the non-empty designator.
if (hourOfDayGetter(value) / 12 == specifiedDesignatorValue)
{
sb.Append(specifiedDesignator[0]);
}
});
return;
}
builder.AddParseAction((str, bucket) =>
{
int value = str.MatchCaseInsensitive(specifiedDesignator, compareInfo, true) ? specifiedDesignatorValue : 1 - specifiedDesignatorValue;
amPmSetter(bucket, value);
return(null);
});
builder.AddFormatAction((value, sb) =>
{
// Only append anything if it's the non-empty designator.
if (hourOfDayGetter(value) / 12 == specifiedDesignatorValue)
{
sb.Append(specifiedDesignator);
}
});
}
