// convert Chinese Year to Integer
private int ConvertCJKYearToInteger(string yearChsStr)
{
var year = 0;
var num = 0;
int dynastyYear = DateTimeFormatUtil.ParseChineseDynastyYear(yearChsStr,
this.config.DynastyYearRegex,
this.config.DynastyStartYear,
this.config.DynastyYearMap,
this.config.IntegerExtractor,
this.config.NumberParser);
if (dynastyYear > 0)
{
return(dynastyYear);
}
var er = this.config.IntegerExtractor.Extract(yearChsStr);
if (er.Count != 0)
{
if (er[0].Type.Equals(Number.Constants.SYS_NUM_INTEGER, StringComparison.Ordinal))
{
num = Convert.ToInt32((double)(this.config.NumberParser.Parse(er[0]).Value ?? 0));
}
}
if (num < 10)
{
num = 0;
foreach (var ch in yearChsStr)
{
num *= 10;
er = this.config.IntegerExtractor.Extract(ch.ToString(CultureInfo.InvariantCulture));
if (er.Count != 0)
{
if (er[0].Type.Equals(Number.Constants.SYS_NUM_INTEGER, StringComparison.Ordinal))
{
num += Convert.ToInt32((double)(this.config.NumberParser.Parse(er[0]).Value ?? 0));
}
}
}
}
year = num;
return(year < 10 ? -1 : year);
}
