/// <summary>
/// This function compares dates only by chronological year.
/// Month and day are not taken into account, the year is compared with the calendar.
/// </summary>
/// <param name="tag"></param>
/// <param name="matchParams"></param>
/// <returns></returns>
public override float IsMatch(GDMCustomDate tag, MatchParams matchParams)
{
if (tag == null)
{
return(0.0f);
}
GDMDateValue date = (GDMDateValue)tag;
if (IsEmpty() || date.IsEmpty())
{
return(0.0f);
}
int absVal1 = this.GetChronologicalYear();
int absVal2 = date.GetChronologicalYear();
float match = 0.0f;
float matches = 0.0f;
if (absVal1 != 0 && absVal2 != 0)
{
matches += 1.0f;
if (Math.Abs(absVal1 - absVal2) <= matchParams.YearsInaccuracy)
{
match += 100.0f;
}
}
return(match / matches);
}
// DateValue format: INT/FROM/TO/etc..._<date>
protected static string ParseDateValue(GDMDateValue dateValue, string str)
{
if (str == null)
{
return(string.Empty);
}
var strTok = new GEDCOMParser(str, false);
strTok.SkipWhitespaces();
int idx = 0;
var token = strTok.CurrentToken;
if (token == GEDCOMToken.Word)
{
string su = strTok.GetWord();
idx = Algorithms.BinarySearch(GDMCustomDate.GEDCOMDateTypes, su, string.CompareOrdinal);
}
var dateType = (idx < 0) ? GEDCOMDateType.SIMP : (GEDCOMDateType)idx;
string result;
GDMCustomDate date;
switch (dateType)
{
case GEDCOMDateType.AFT:
case GEDCOMDateType.BEF:
case GEDCOMDateType.BET:
date = new GDMDateRange();
result = ParseRangeDate((GDMDateRange)date, strTok);
break;
case GEDCOMDateType.INT:
date = new GDMDateInterpreted();
result = ParseIntDate((GDMDateInterpreted)date, strTok);
break;
case GEDCOMDateType.FROM:
case GEDCOMDateType.TO:
date = new GDMDatePeriod();
result = ParsePeriodDate((GDMDatePeriod)date, strTok);
break;
default:
date = new GDMDate();
result = ParseDate((GDMDate)date, strTok);
break;
}
dateValue.SetRawData(date);
return(result);
}
