public NumberFormatPattern ToDisplayFormat(NumberFormat formatter)
{
Guard.ArgumentNotNull(formatter, "formatter");
int mnd = formatter.Digits.MinimumIntegerDigits;
int mnfd = 21;
int mxfd = 21;
if (formatter.Digits.RoundingType != RoundingType.SignificantDigits)
{
mnfd = formatter.Digits.MinimumFractionDigits;
mxfd = formatter.Digits.MaximumFractionDigits;
}
string key = String.Join(";", new[] { this.PositivePattern.ToString(), this.NegativePattern.ToString(), this.ZeroPattern.ToString(), formatter.SignDisplay.ToString(), formatter.UseGrouping.ToString(), mnd.ToString(), mnfd.ToString(), mxfd.ToString() });
return(cache.GetOrAdd(key, _ => {
FormattedString[] patterns = new[] { this.PositivePattern, this.NegativePattern, this.ZeroPattern };
string negativePattern = this.NegativePattern.First(v => v.Type == FormattedPartType.Placeholder).Value;
bool[] addPlusSign = new bool[3];
addPlusSign[0] = formatter.SignDisplay == SignDisplayFormat.Always || formatter.SignDisplay == SignDisplayFormat.ExceptZero;
addPlusSign[2] = formatter.SignDisplay == SignDisplayFormat.Always;
for (int i = 0; i < 3; i++)
{
FormattedPart[] parts = patterns[i].GetParts();
int index = Array.FindIndex(parts, v => v.Type == FormattedPartType.Placeholder);
string pattern = MakePattern(parts[index].Value, negativePattern, addPlusSign[i], formatter.UseGrouping, mnd, mnfd, mxfd);
if (pattern != parts[index].Value)
{
parts[index] = new FormattedPart(FormattedPartType.Placeholder, pattern);
patterns[i] = new FormattedString(parts);
}
}
return new NumberFormatPattern(patterns[0], patterns[1], patterns[2]);
}));
}
public FormattedString Format(IList <string> items)
{
Guard.ArgumentNotNull(items, "items");
EnsureInitialized();
if (items.Count == 0)
{
return(FormattedString.Empty);
}
if (items.Count == 1)
{
return(new FormattedString(new[] { new FormattedPart(FormattedPartType.Element, items[0]) }));
}
int countMinus2 = items.Count - 2;
if (patterns == null)
{
patterns = ResolvePatterns(this.Locale, ToLdmlListPatternType(this.Type, this.Style));
}
if (countMinus2 == 0)
{
FormattedPart[] parts = patterns[3].GetParts();
for (int i = 0, len = parts.Length; i < len; i++)
{
if (parts[i].Type == FormattedPartType.Placeholder)
{
parts[i] = new FormattedPart(FormattedPartType.Element, parts[i].Value == "{0}" ? items[0] : items[1]);
}
}
return(new FormattedString(parts));
}
List <FormattedPart> list = new List <FormattedPart> {
new FormattedPart(FormattedPartType.Element, items[countMinus2 + 1])
};
for (int j = countMinus2; j >= 0; j--)
{
FormattedPart[] parts = patterns[j == 0 ? 0 : j < countMinus2 ? 1 : 2].GetParts();
int sliceIndex = 0;
for (int i = 0, len = parts.Length; i < len; i++)
{
if (parts[i].Type == FormattedPartType.Placeholder)
{
if (parts[i].Value == "{0}")
{
parts[i] = new FormattedPart(FormattedPartType.Element, items[j]);
}
else
{
sliceIndex = i;
}
}
}
list.InsertRange(0, parts.Take(sliceIndex));
list.AddRange(parts.Skip(sliceIndex + 1));
}
return(new FormattedString(list));
}
