spec/registry.xml

<?xml version="1.0" encoding="UTF-8"?>
<?xml-model href="registry.dtd" type="application/xml-dtd"?>
<registry xml:lang="en">
  <!-- All regex here are to be seen as provisory. See issue #422. -->
  <validationRule id="anyNumber" regex="-?(0|([1-9]\d*))(\.\d*)?([eE][-+]?\d+)?"/>
  <validationRule id="positiveInteger" regex="0|([1-9]\d*)"/>
  <validationRule id="currencyCode" regex="[A-Z]{3}"/>
  <validationRule id="timeZoneId" regex="[a-zA-Z/]+"/>
  <validationRule id="anythingNotEmpty" regex=".+"/>
  <validationRule id="iso8601" regex="\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}"/>

  <function name="datetime" supports="format">
    <!-- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat/DateTimeFormat -->
    <description>
      Locale-sensitive date and time formatting
    </description>

    <input validationRule="iso8601"/>

    <option
      name="dateStyle"
      values="full long medium short"
      excludes="era year month weekday day dayPeriod hour hourCycle minute second fractionalSecondDigits timeZoneName"
    >
      <description>
        The predefined date formatting style to use.
      </description>
    </option>
    <option
      name="timeStyle"
      values="full long medium short"
      excludes="era year month weekday day dayPeriod hour hourCycle minute second fractionalSecondDigits timeZoneName"
    >
      <description>
        The predefined time formatting style to use.
      </description>
    </option>
    <option name="calendar" values="buddhist chinese coptic dangi ethioaa ethiopic gregory hebrew indian islamic islamic-umalqura islamic-tbla islamic-civil islamic-rgsa iso8601 japanese persian roc">
      <description>
        Calendar to use.
      </description>
    </option>
    <option name="dayPeriod" values="narrow short long">
      <description>
        The formatting style used for day periods like "in the morning", "am", "noon", "n" etc.
      </description>
    </option>
    <option name="numberingSystem" values="arab arabext bali beng deva fullwide gujr guru hanidec khmr knda laoo latn limb mlym mong mymr orya tamldec telu thai tibt">
      <description>
        Numbering system to use.
      </description>
    </option>
    <option name="timeZone" validationRule="timeZoneId">
      <description>
        The time zone to use.
        The only value implementations must recognize is "UTC";
        the default is the runtime's default time zone.
        Implementations may also recognize the time zone names of the IANA time zone database,
        such as "Asia/Shanghai", "Asia/Kolkata", "America/New_York".
      </description>
    </option>
    <option name="hourCycle" values="h11 h12 h23 h24">
      <description>
        The hour cycle to use.
      </description>
    </option>
    <option name="weekday" values="long short narrow">
      <description>
        The representation of the weekday.
      </description>
    </option>
    <option name="era" values="long short narrow">
      <description>
        The representation of the era.
      </description>
    </option>
    <option name="year" values="numeric 2-digit">
      <description>
        The representation of the year.
      </description>
    </option>
    <option name="month" values="numeric 2-digit long short narrow">
      <description>
        The representation of the month.
      </description>
    </option>
    <option name="day" values="numeric 2-digit">
      <description>
        The representation of the day.
      </description>
    </option>
    <option name="hour" values="numeric 2-digit">
      <description>
        The representation of the hour.
      </description>
    </option>
    <option name="minute" values="numeric 2-digit">
      <description>
        The representation of the minute.
      </description>
    </option>
    <option name="second" values="numeric 2-digit">
      <description>
        The representation of the second.
      </description>
    </option>
    <option name="fractionalSecondDigits" values="1 2 3">
      <description>
        The number of digits used to represent fractions of a second
        (any additional digits are truncated).
      </description>
    </option>
    <option name="timeZoneName" values="long short shortOffset longOffset shortGeneric longGeneric">
      <description>
        The localized representation of the time zone name.
      </description>
    </option>
  </function>

  <function name="number" supports="all">
    <!-- https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/NumberFormat/NumberFormat -->
    <description>
      Locale-sensitive number formatting
    </description>

    <input validationRule="anyNumber"/>

    <option name="compactDisplay" values="short long" default="short" supports="format">
      <description>
        Only used when notation is "compact".
      </description>
    </option>
    <option name="currency" validationRule="currencyCode" supports="format">
      <description>
        The currency to use in currency formatting.
        Possible values are the ISO 4217 currency codes, such as "USD" for the US dollar,
        "EUR" for the euro, or "CNY" for the Chinese RMB — see the
        Current currency &amp; funds code list
        (https://www.unicode.org/cldr/charts/latest/supplemental/detailed_territory_currency_information.html).
        There is no default value; if the style is "currency", the currency property must be provided.
      </description>
    </option>
    <option name="currencyDisplay" values="symbol narrowSymbol code name" default="symbol" supports="format">
      <description>
        How to display the currency in currency formatting.
      </description>
    </option>
    <option name="currencySign" values="accounting standard" default="standard" supports="format">
      <description>
        In many locales, accounting format means to wrap the number with parentheses
        instead of appending a minus sign. You can enable this formatting by setting the
        currencySign option to "accounting".
      </description>
    </option>
    <option name="notation" values="standard scientific engineering compact" default="standard" supports="format">
      <description>
        The formatting that should be displayed for the number.
      </description>
    </option>
    <option name="numberingSystem" values="arab arabext bali beng deva fullwide gujr guru hanidec khmr knda laoo latn limb mlym mong mymr orya tamldec telu thai tibt" supports="format">
      <description>
        Numbering system to use.
      </description>
    </option>
    <option name="signDisplay" values="auto always exceptZero never" default="auto" supports="format">
      <description>
        When to display the sign for the number. "negative" value is Experimental.
      </description>
    </option>
    <option name="style" values="decimal currency percent unit" default="decimal" supports="format">
      <description>
        The formatting style to use.
      </description>
    </option>
    <option name="unit" validationRule="anythingNotEmpty" supports="format">
      <description>
        The unit to use in unit formatting.
        Possible values are core unit identifiers, defined in UTS #35, Part 2, Section 6.
        A subset of units from the full list was selected for use in ECMAScript.
        Pairs of simple units can be concatenated with "-per-" to make a compound unit.
        There is no default value; if the style is "unit", the unit property must be provided.
      </description>
    </option>
    <option name="unitDisplay" values="long short narrow" default="short" supports="format">
      <description>
        The unit formatting style to use in unit formatting.
      </description>
    </option>

    <option name="minimumIntegerDigits" values="positiveInteger" supports="all">
      <description>
        The minimum number of integer digits to use.
        A value with a smaller number of integer digits than this number will be
        left-padded with zeros (to the specified length) when formatted.
      </description>
    </option>
    <option name="minimumFractionDigits" values="positiveInteger" supports="all">
      <description>
        The minimum number of fraction digits to use.
        The default for plain number and percent formatting is 0;
        the default for currency formatting is the number of minor unit digits provided by
        the ISO 4217 currency code list (2 if the list doesn't provide that information).
      </description>
    </option>
    <option name="maximumFractionDigits" values="positiveInteger" supports="all">
      <description>
        The maximum number of fraction digits to use.
        The default for plain number formatting is the larger of minimumFractionDigits and 3;
        the default for currency formatting is the larger of minimumFractionDigits and the number of minor
        unit digits provided by the ISO 4217 currency code list (2 if the list doesn't provide that information);
        the default for percent formatting is the larger of minimumFractionDigits and 0.
      </description>
    </option>
    <option name="minimumSignificantDigits" values="positiveInteger" supports="all">
      <description>
        The minimum number of significant digits to use.
      </description>
    </option>
    <option name="maximumSignificantDigits" values="positiveInteger" supports="all">
      <description>
        The maximum number of significant digits to use.
      </description>
    </option>

    <option name="select" values="plural ordinal exact" default="plural" supports="match">
      <description>
        The number selection type.

        With `exact` selection, only a variant with a key matching
        the JSON representation of the input number (without an exponent) will be selected.
        With `plural` and `ordinal` selection, if no such exactly matching key is present,
        a variant with the matching CLDR plural category (`zero`/`one`/`two`/`few`/`many`/`other`)
        for the corresponding selection type will be selected,
        according to the rules of the current locale
      </description>
    </option>

    <match validationRule="anyNumber" values="zero one two few many other" />

    <alias name="integer" supports="match">
      <description>Locale-sensitive integral number formatting</description>
      <setOption name="maximumFractionDigits" value="0" />
      <setOption name="style" value="decimal" />
    </alias>

    <alias name="ordinal" supports="match">
      <description>Ordinal number selection</description>
      <setOption name="select" value="ordinal" />
    </alias>

    <alias name="plural" supports="match">
      <description>Plural number selection</description>
      <setOption name="select" value="plural" />
    </alias>
  </function>
</registry>