public ReadOnlyDictionary <PluralCategories, ReadOnlyDictionary <int, NumberFormatPattern> > GetCompactNotationFormats(NumberCompactDisplayFormat style)
{
XElement decimalFormats = elements.FirstOrDefault(v => v.Name.LocalName == "decimalFormats");
if (decimalFormats == null)
{
return(this.Parent.GetCompactNotationFormats(style));
}
if (CldrUtility.IsAlias(decimalFormats, out string numberSystem))
{
return(GetFormat(locale, numberSystem).GetCompactNotationFormats(style));
}
Dictionary <PluralCategories, Dictionary <int, NumberFormatPattern> > dict = new Dictionary <PluralCategories, Dictionary <int, NumberFormatPattern> >();
foreach (PluralCategories kind in pluralRules.EnumerateCategories())
{
dict[kind] = new Dictionary <int, NumberFormatPattern>();
}
XElement decimalFormat = decimalFormats.XPathSelectElement(String.Format("decimalFormatLength[@type = '{0}']/decimalFormat", IntlProviderOptions.ToStringValue(style)));
foreach (XElement pattern in decimalFormat.XPathSelectElements("pattern"))
{
PluralCategories count = IntlProviderOptions.ParseEnum <PluralCategories>(pattern.Attribute("count").Value);
dict[count][pattern.Attribute("type").Value.Length - 1] = ParseNumberFormatPattern(pattern.Value);
}
if (decimalFormat.Attribute("inherits") != null)
{
ReadOnlyDictionary <PluralCategories, ReadOnlyDictionary <int, NumberFormatPattern> > parent = this.Parent.GetCompactNotationFormats(style);
foreach (KeyValuePair <PluralCategories, ReadOnlyDictionary <int, NumberFormatPattern> > e in parent)
{
CldrUtility.CopyPatternFromParent(dict[e.Key], e.Value);
}
}
return(new ReadOnlyDictionary <PluralCategories, ReadOnlyDictionary <int, NumberFormatPattern> >(dict.ToDictionary(v => v.Key, v => new ReadOnlyDictionary <int, NumberFormatPattern>(v.Value))));
}
private CldrPluralRules(XElement rules)
{
this.PluralCategories = PluralCategories.Other;
foreach (XElement node in rules.Elements("pluralRule"))
{
PluralCategories category = IntlProviderOptions.ParseEnum <PluralCategories>(node.Attribute("count").Value);
if (category != PluralCategories.Other)
{
string textContent = node.Value;
ruleset[category] = ParseExpression(textContent);
this.PluralCategories |= category;
}
}
}
public FormattedString Format(double value, NumberFormat formatter, RelativeTimeNumericFormat numeric, out string[] units)
{
FormattedString pattern;
if (numeric == RelativeTimeNumericFormat.Auto)
{
double intValue = Math.Floor(value);
if (intValue == value && intValue >= Int32.MinValue && intValue <= Int32.MaxValue)
{
if (relative.TryGetValue((int)intValue, out pattern))
{
units = new string[1];
return(pattern);
}
}
}
CldrPluralRules pluralRules = CldrPluralRules.Resolve(PluralRuleType.Cardinal, locale);
PluralCategories key = pluralRules.Match(value);
if ((value < 0 ? past : future).TryGetValue(key, out pattern))
{
FormattedString numParts = formatter.Format(Math.Abs(value));
FormattedPart[] parts = pattern.GetParts();
int index = Array.FindIndex(parts, v => v.Type == FormattedPartType.Placeholder);
string unitStr = IntlProviderOptions.ToStringValue(unit);
if (numParts.PartCount > 1)
{
List <FormattedPart> parts1 = new List <FormattedPart>(parts);
parts1.RemoveAt(index);
parts1.InsertRange(index, numParts);
units = new string[parts1.Count];
for (int j = 0, len2 = numParts.PartCount; j < len2; j++)
{
units[index + j] = unitStr;
}
return(new FormattedString(parts1));
}
else
{
units = new string[parts.Length];
units[index] = unitStr;
parts[index] = numParts[0];
return(new FormattedString(parts));
}
}
units = new string[0];
return(FormattedString.Empty);
}
public static CldrRelativeTimeFormat Resolve(string locale, string type)
{
string key = locale + "/" + type;
if (resolvedPatterns.TryGetValue(key, out CldrRelativeTimeFormat cached))
{
return(cached);
}
CldrRelativeTimeFormat formatter = new CldrRelativeTimeFormat(locale, type);
XElement field = xDocument.XPathSelectElement(String.Format("/root/fields[@locale = '{0}']/field[@type = '{1}']", locale, type));
if (field == null)
{
throw new InvalidOperationException("Unknown locale or type");
}
if (CldrUtility.IsAlias(field, out string use))
{
return(resolvedPatterns.GetOrAdd(key, Resolve(locale, use)));
}
bool hasInheritedValues = field.Attribute("inherits") != null;
foreach (XElement relative in field.Elements("relative"))
{
int amount = Int32.Parse(relative.Attribute("type").Value);
formatter.relative[amount] = FormattedString.Parse(relative.Value);
}
foreach (XElement relativeTime in field.Elements("relativeTime"))
{
Dictionary <PluralCategories, FormattedString> dict = relativeTime.Attribute("type").Value == "future" ? formatter.future : formatter.past;
foreach (XElement child in relativeTime.Elements())
{
PluralCategories category = IntlProviderOptions.ParseEnum <PluralCategories>(child.Attribute("count").Value);
dict[category] = FormattedString.Parse(child.Value);
}
hasInheritedValues |= relativeTime.Attribute("inherits") != null;
}
if (hasInheritedValues)
{
CldrRelativeTimeFormat parent = CldrUtility.GetParentPatterns(locale, type, Resolve);
CldrUtility.CopyPatternFromParent(formatter.relative, parent.relative);
CldrUtility.CopyPatternFromParent(formatter.future, parent.future);
CldrUtility.CopyPatternFromParent(formatter.past, parent.past);
}
return(resolvedPatterns.GetOrAdd(key, formatter));
}
private NumberFormatPattern GetCompactNotationPattern(double doubleValue, PluralCategories pluralCount, out double roundedValue)
{
ReadOnlyDictionary <int, NumberFormatPattern> dict = this.compactNotations[pluralCount];
int exponent = (int)Math.Floor(Math.Log10(Math.Abs(doubleValue)));
NumberFormatPattern pattern;
if (dict.TryGetValue(exponent, out NumberFormatPattern notationFormats))
{
pattern = notationFormats;
}
else
{
pattern = exponent < dict.Keys.First() ? dict.Values.First() : dict.Values.Last();
}
int roundExp = exponent - pattern.PositivePattern.ToString().Count(v => v == '0') + 1;
roundedValue = doubleValue / Math.Pow(10, roundExp);
return(pattern.ToDisplayFormat(this));
}
public FormattedString Format(EcmaValue value)
{
EnsureInitialized();
NumberFormatInfo formatter = formatProvider.FormatProvider;
value = value.ToNumber();
if (value.IsNaN || !value.IsFinite)
{
string str = value.ToDouble().ToString(formatter);
return(new FormattedString(new[] { new FormattedPart(value.IsNaN ? FormattedPartType.NaN : FormattedPartType.Infinity, str) }));
}
double doubleValue = value.ToDouble();
if (this.SignDisplay == SignDisplayFormat.Never)
{
doubleValue = Math.Abs(doubleValue);
}
if (this.Style == NumberStyle.Percent)
{
doubleValue *= 100;
}
PluralCategories pluralCount = pluralRules.Match(doubleValue);
NumberFormatPattern notationFormats = this.Notation == NumberNotation.Compact ? GetCompactNotationPattern(doubleValue, pluralCount, out doubleValue) : this.notationFormats;
NumberFormatPattern styleFormats = this.styleFormats.Count == 1 ? this.styleFormats[PluralCategories.Other] : this.styleFormats[pluralCount];
FormattedString notationFormat = null;
FormattedString styleFormat = null;
switch (doubleValue.CompareTo(0))
{
case -1:
notationFormat = notationFormats.NegativePattern;
styleFormat = styleFormats.NegativePattern;
break;
case 0:
notationFormat = notationFormats.ZeroPattern;
styleFormat = styleFormats.ZeroPattern;
break;
case 1:
notationFormat = notationFormats.PositivePattern;
styleFormat = styleFormats.PositivePattern;
break;
}
if (this.Digits.RoundingType == RoundingType.SignificantDigits)
{
doubleValue = RoundToSignificantDigits(doubleValue, this.Digits.MaximumSignificantDigits);
}
// format double value with corresponding notation (scienific, compact, ...)
List <FormattedPart> numParts = new List <FormattedPart>(notationFormat);
List <FormattedPart> subParts = new List <FormattedPart>();
int index = numParts.FindIndex(v => v.Type == FormattedPartType.Placeholder);
string formatted = doubleValue.ToString(numParts[index].Value, formatter);
FormattedPartType integerType = FormattedPartType.Integer;
RoundingType roundingType = this.Digits.RoundingType;
int maxDigits = roundingType == RoundingType.SignificantDigits ? this.Digits.MaximumSignificantDigits : -1;
int numOfDigits = 0;
foreach (Match m in Regex.Matches(formatted, "([0-9]+)|."))
{
FormattedPartType type = FormattedPartType.Literal;
string str = m.Value;
if (m.Groups[1].Success)
{
type = integerType;
if (roundingType == RoundingType.SignificantDigits)
{
if (type != FormattedPartType.ExponentInteger)
{
numOfDigits += numOfDigits == 0 ? str.TrimStart('0').Length : str.Length;
}
if (type == FormattedPartType.Fraction && numOfDigits > maxDigits)
{
str = str.Substring(0, str.Length - numOfDigits + maxDigits);
}
}
}
else if (symbolType.TryGetValue(str, out type))
{
if (type == FormattedPartType.Decimal)
{
integerType = FormattedPartType.Fraction;
}
else if (type == FormattedPartType.ExponentSeparator)
{
integerType = FormattedPartType.ExponentInteger;
}
}
subParts.Add(new FormattedPart(type, str));
}
numParts.RemoveAt(index);
numParts.InsertRange(index, subParts);
// format as curreny or unit with the formatted number
List <FormattedPart> finalParts = new List <FormattedPart>(styleFormat);
index = finalParts.FindIndex(v => v.Type == FormattedPartType.Placeholder);
finalParts.RemoveAt(index);
finalParts.InsertRange(index, numParts);
return(new FormattedString(finalParts));
}
