public static RomansCatalog GetInstance()
{
if (instance == null)
{
instance = new RomansCatalog();
}
return(instance);
}
private ReplacementPatternCatalog()
{
patterns = new List <ReplacementPattern>();
RomansCatalog romCatalog = RomansCatalog.GetInstance();
foreach (Roman r in romCatalog.GetAll())
{
Roman higher = romCatalog.Higher(r);
if (r.Repeatable)
{
if (higher == null)
{
continue;
}
StringBuilder patternBuilder = new StringBuilder();
patternBuilder.Append(r.Letter[0], 4);
patterns.Add(new ReplacementPattern(patternBuilder.ToString(), string.Concat(r.Letter, higher.Letter)));
}
else
{
Roman lower = romCatalog.Lower(r);
if (lower == null)
{
continue;
}
StringBuilder patternBuilder = new StringBuilder();
patternBuilder.Append(r.Letter);
patternBuilder.Append(lower.Letter);
patternBuilder.Append(r.Letter);
StringBuilder replacementBuilder = new StringBuilder();
replacementBuilder.Append(lower.Letter);
replacementBuilder.Append(higher.Letter);
patterns.Add(new ReplacementPattern(patternBuilder.ToString(), replacementBuilder.ToString()));
}
}
}
public static RomansCatalog GetInstance()
{
if (instance == null)
instance = new RomansCatalog();
return instance;
}
