// Format: INT DATE (phrase)
protected static string ParseIntDate(GDMDateInterpreted date, GEDCOMParser strTok)
{
strTok.SkipWhitespaces();
if (!strTok.RequireWord(GDMCustomDate.INT))
{
throw new GEDCOMIntDateException(strTok.GetFullStr());
}
strTok.Next();
ParseDate(date, strTok);
strTok.SkipWhitespaces();
var token = strTok.CurrentToken;
if (token == GEDCOMToken.Symbol && strTok.GetSymbol() == '(')
{
var phrase = new StringBuilder();
phrase.Append(strTok.GetWord());
do
{
token = strTok.Next();
phrase.Append(strTok.GetWord());
} while (token != GEDCOMToken.Symbol || strTok.GetSymbol() != ')');
date.DatePhrase = phrase.ToString();
}
else
{
date.DatePhrase = string.Empty;
}
return(strTok.GetRest());
}
// Format: FROM DATE1 TO DATE2
protected static string ParsePeriodDate(GDMDatePeriod date, GEDCOMParser strTok)
{
strTok.SkipWhitespaces();
if (strTok.RequireWord(GDMCustomDate.FROM))
{
strTok.Next();
ParseDate(date.DateFrom, strTok);
strTok.SkipWhitespaces();
}
if (strTok.RequireWord(GDMCustomDate.TO))
{
strTok.Next();
ParseDate(date.DateTo, strTok);
strTok.SkipWhitespaces();
}
return(strTok.GetRest());
}
// Format: AFT DATE | BEF DATE | BET AFT_DATE AND BEF_DATE
protected static string ParseRangeDate(GDMDateRange date, GEDCOMParser strTok)
{
strTok.SkipWhitespaces();
var token = strTok.CurrentToken;
if (token != GEDCOMToken.Word)
{
// error!
}
string su = strTok.GetWord();
int dateType = Algorithms.BinarySearch(GDMCustomDate.GEDCOMDateRangeArray, su, string.CompareOrdinal);
if (dateType == 0) // "AFT"
{
strTok.Next();
ParseDate(date.After, strTok);
}
else if (dateType == 1) // "BEF"
{
strTok.Next();
ParseDate(date.Before, strTok);
}
else if (dateType == 2) // "BET"
{
strTok.Next();
ParseDate(date.After, strTok);
strTok.SkipWhitespaces();
if (!strTok.RequireWord(GDMCustomDate.GEDCOMDateRangeArray[3])) // "AND"
{
throw new GEDCOMRangeDateException(strTok.GetFullStr());
}
strTok.Next();
strTok.SkipWhitespaces();
ParseDate(date.Before, strTok);
}
return(strTok.GetRest());
}
// 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);
}
// Format: [ <YEAR>[B.C.] | <MONTH> <YEAR> | <DAY> <MONTH> <YEAR> ] (see p.45-46)
protected static string ParseDate(GEDCOMParser strTok, out GDMApproximated approximated,
out short year, out bool yearBC,
out string yearModifier, out byte month, out byte day)
{
approximated = GDMApproximated.daExact;
year = GDMDate.UNKNOWN_YEAR;
yearBC = false;
yearModifier = string.Empty;
month = 0;
day = 0;
strTok.SkipWhitespaces();
var token = strTok.CurrentToken;
// extract approximated
token = strTok.CurrentToken;
if (token == GEDCOMToken.Word)
{
string su = InvariantTextInfo.ToUpper(strTok.GetWord());
int idx = Algorithms.BinarySearch(GDMCustomDate.GEDCOMDateApproximatedArray, su, string.CompareOrdinal);
if (idx >= 0)
{
approximated = (GDMApproximated)idx;
strTok.Next();
strTok.SkipWhitespaces();
}
}
// extract day
token = strTok.CurrentToken;
int dNum;
if (token == GEDCOMToken.Number && strTok.TokenLength() <= 2 && ((dNum = strTok.GetNumber()) <= 31))
{
day = (byte)dNum;
token = strTok.Next();
}
// extract delimiter
if (token == GEDCOMToken.Whitespace && strTok.GetSymbol() == ' ')
{
token = strTok.Next();
}
// extract month
if (token == GEDCOMToken.Word)
{
// in this case, according to performance test results, BinarySearch is more efficient
// than a simple search or even a dictionary search (why?!)
string su = InvariantTextInfo.ToUpper(strTok.GetWord());
int idx = BinarySearch(GDMCustomDate.GEDCOMMonthValues, su, string.CompareOrdinal);
month = (byte)((idx < 0) ? 0 : idx);
token = strTok.Next();
}
// extract delimiter
if (token == GEDCOMToken.Whitespace && strTok.GetSymbol() == ' ')
{
token = strTok.Next();
}
// extract negative years
if (token == GEDCOMToken.Symbol && strTok.GetSymbol() == '-')
{
yearBC = true;
token = strTok.Next();
}
// extract year
if (token == GEDCOMToken.Number)
{
year = (short)strTok.GetNumber();
token = strTok.Next();
// extract year modifier
if (token == GEDCOMToken.Symbol && strTok.GetSymbol() == GDMCustomDate.YearModifierSeparator)
{
token = strTok.Next();
if (token != GEDCOMToken.Number)
{
// error
}
else
{
yearModifier = strTok.GetWord();
}
token = strTok.Next();
}
// extract bc/ad
if (token == GEDCOMToken.Word && strTok.GetWord() == "B")
{
token = strTok.Next();
if (token != GEDCOMToken.Symbol || strTok.GetSymbol() != '.')
{
// error
}
token = strTok.Next();
if (token != GEDCOMToken.Word || strTok.GetWord() != "C")
{
// error
}
token = strTok.Next();
if (token != GEDCOMToken.Symbol || strTok.GetSymbol() != '.')
{
// error
}
strTok.Next();
yearBC = true;
}
}
token = strTok.CurrentToken;
if (day > 0 && month == 0 && year == GDMDate.UNKNOWN_YEAR)
{
year = day;
day = 0;
}
//date.SetRawData(approximated, calendar, year, yearBC, yearModifier, month, day, dateFormat);
string result = strTok.GetRest();
return(result);
}