* // Setup: * UErrorCode ec = U_ZERO_ERROR; * UNumberFormatter* uformatter = unumf_openForSkeletonAndLocale(u"precision-integer", -1, "en", &ec); * UFormattedNumber* uresult = unumf_openResult(&ec); * if (U_FAILURE(ec)) { return; } * * // Format a double: * unumf_formatDouble(uformatter, 5142.3, uresult, &ec); * if (U_FAILURE(ec)) { return; } * * // Export the string to a malloc'd buffer: * int32_t len = unumf_resultToString(uresult, NULL, 0, &ec); * // at this point, ec == U_BUFFER_OVERFLOW_ERROR * ec = U_ZERO_ERROR; * UChar* buffer = (UChar*) malloc((len+1)*sizeof(UChar)); * unumf_resultToString(uresult, buffer, len+1, &ec); * if (U_FAILURE(ec)) { return; } * // buffer should equal "5,142" * * // Cleanup: * unumf_close(uformatter); * unumf_closeResult(uresult); * free(buffer); *
* // Setup: * LocalUNumberFormatterPointer uformatter(unumf_openForSkeletonAndLocale(u"percent", -1, "en", &ec)); * LocalUFormattedNumberPointer uresult(unumf_openResult(&ec)); * if (U_FAILURE(ec)) { return; } * * // Format a decimal number: * unumf_formatDecimal(uformatter.getAlias(), "9.87E-3", -1, uresult.getAlias(), &ec); * if (U_FAILURE(ec)) { return; } * * // Get the location of the percent sign: * UFieldPosition ufpos = {UNUM_PERCENT_FIELD, 0, 0}; * unumf_resultNextFieldPosition(uresult.getAlias(), &ufpos, &ec); * // ufpos should contain beginIndex=7 and endIndex=8 since the string is "0.00987%" * * // No need to do any cleanup since we are using LocalPointer. *
*
* This enum is similar to {@link UMeasureFormatWidth}. * * @stable ICU 60 */ typedef enum UNumberUnitWidth { /** * Print an abbreviated version of the unit name. Similar to SHORT, but always use the shortest available * abbreviation or symbol. This option can be used when the context hints at the identity of the unit. For more * information on the difference between NARROW and SHORT, see SHORT. * *
* In CLDR, this option corresponds to the "Narrow" format for measure units and the "¤¤¤¤¤" placeholder for * currencies. * * @stable ICU 60 */ UNUM_UNIT_WIDTH_NARROW, /** * Print an abbreviated version of the unit name. Similar to NARROW, but use a slightly wider abbreviation or * symbol when there may be ambiguity. This is the default behavior. * *
* For example, in es-US, the SHORT form for Fahrenheit is "{0} °F", but the NARROW form is "{0}°", * since Fahrenheit is the customary unit for temperature in that locale. * *
* In CLDR, this option corresponds to the "Short" format for measure units and the "¤" placeholder for * currencies. * * @stable ICU 60 */ UNUM_UNIT_WIDTH_SHORT, /** * Print the full name of the unit, without any abbreviations. * *
* In CLDR, this option corresponds to the default format for measure units and the "¤¤¤" placeholder for * currencies. * * @stable ICU 60 */ UNUM_UNIT_WIDTH_FULL_NAME, /** * Use the three-digit ISO XXX code in place of the symbol for displaying currencies. The behavior of this * option is currently undefined for use with measure units. * *
* In CLDR, this option corresponds to the "¤¤" placeholder for currencies. * * @stable ICU 60 */ UNUM_UNIT_WIDTH_ISO_CODE, /** * Format the number according to the specified unit, but do not display the unit. For currencies, apply * monetary symbols and formats as with SHORT, but omit the currency symbol. For measure units, the behavior is * equivalent to not specifying the unit at all. * * @stable ICU 60 */ UNUM_UNIT_WIDTH_HIDDEN, /** * One more than the highest UNumberUnitWidth value. * * @internal ICU 60: The numeric value may change over time; see ICU ticket #12420. */ UNUM_UNIT_WIDTH_COUNT } UNumberUnitWidth; /** * An enum declaring the strategy for when and how to display grouping separators (i.e., the * separator, often a comma or period, after every 2-3 powers of ten). The choices are several * pre-built strategies for different use cases that employ locale data whenever possible. Example * outputs for 1234 and 1234567 in en-IN: * *
* The default is AUTO, which displays grouping separators unless the locale data says that grouping * is not customary. To force grouping for all numbers greater than 1000 consistently across locales, * use ON_ALIGNED. On the other hand, to display grouping less frequently than the default, use MIN2 * or OFF. See the docs of each option for details. * *
* Note: This enum specifies the strategy for grouping sizes. To set which character to use as the * grouping separator, use the "symbols" setter. * * @stable ICU 63 */ typedef enum UNumberGroupingStrategy { /** * Do not display grouping separators in any locale. * * @stable ICU 61 */ UNUM_GROUPING_OFF, /** * Display grouping using locale defaults, except do not show grouping on values smaller than * 10000 (such that there is a minimum of two digits before the first separator). * *
* Note that locales may restrict grouping separators to be displayed only on 1 million or * greater (for example, ee and hu) or disable grouping altogether (for example, bg currency). * *
* Locale data is used to determine whether to separate larger numbers into groups of 2 * (customary in South Asia) or groups of 3 (customary in Europe and the Americas). * * @stable ICU 61 */ UNUM_GROUPING_MIN2, /** * Display grouping using the default strategy for all locales. This is the default behavior. * *
* Locale data is used to determine whether to separate larger numbers into groups of 2 * (customary in South Asia) or groups of 3 (customary in Europe and the Americas). * * @stable ICU 61 */ UNUM_GROUPING_AUTO, /** * Always display the grouping separator on values of at least 1000. * *
* This option ignores the locale data that restricts or disables grouping, described in MIN2 and * AUTO. This option may be useful to normalize the alignment of numbers, such as in a * spreadsheet. * *
* Locale data is used to determine whether to separate larger numbers into groups of 2 * (customary in South Asia) or groups of 3 (customary in Europe and the Americas). * * @stable ICU 61 */ UNUM_GROUPING_ON_ALIGNED, /** * Use the Western defaults: groups of 3 and enabled for all numbers 1000 or greater. Do not use * locale data for determining the grouping strategy. * * @stable ICU 61 */ UNUM_GROUPING_THOUSANDS #ifndef U_HIDE_INTERNAL_API , /** * One more than the highest UNumberGroupingStrategy value. * * @internal ICU 62: The numeric value may change over time; see ICU ticket #12420. */ UNUM_GROUPING_COUNT #endif /* U_HIDE_INTERNAL_API */ } UNumberGroupingStrategy; /** * An enum declaring how to denote positive and negative numbers. Example outputs when formatting * 123, 0, and -123 in en-US: * *
* The exact format, including the position and the code point of the sign, differ by locale. * * @stable ICU 60 */ typedef enum UNumberSignDisplay { /** * Show the minus sign on negative numbers, and do not show the sign on positive numbers. This is the default * behavior. * * @stable ICU 60 */ UNUM_SIGN_AUTO, /** * Show the minus sign on negative numbers and the plus sign on positive numbers, including zero. * To hide the sign on zero, see {@link UNUM_SIGN_EXCEPT_ZERO}. * * @stable ICU 60 */ UNUM_SIGN_ALWAYS, /** * Do not show the sign on positive or negative numbers. * * @stable ICU 60 */ UNUM_SIGN_NEVER, /** * Use the locale-dependent accounting format on negative numbers, and do not show the sign on positive numbers. * *
* The accounting format is defined in CLDR and varies by locale; in many Western locales, the format is a pair * of parentheses around the number. * *
* Note: Since CLDR defines the accounting format in the monetary context only, this option falls back to the * AUTO sign display strategy when formatting without a currency unit. This limitation may be lifted in the * future. * * @stable ICU 60 */ UNUM_SIGN_ACCOUNTING, /** * Use the locale-dependent accounting format on negative numbers, and show the plus sign on * positive numbers, including zero. For more information on the accounting format, see the * ACCOUNTING sign display strategy. To hide the sign on zero, see * {@link UNUM_SIGN_ACCOUNTING_EXCEPT_ZERO}. * * @stable ICU 60 */ UNUM_SIGN_ACCOUNTING_ALWAYS, /** * Show the minus sign on negative numbers and the plus sign on positive numbers. Do not show a * sign on zero, numbers that round to zero, or NaN. * * @stable ICU 61 */ UNUM_SIGN_EXCEPT_ZERO, /** * Use the locale-dependent accounting format on negative numbers, and show the plus sign on * positive numbers. Do not show a sign on zero, numbers that round to zero, or NaN. For more * information on the accounting format, see the ACCOUNTING sign display strategy. * * @stable ICU 61 */ UNUM_SIGN_ACCOUNTING_EXCEPT_ZERO, /** * One more than the highest UNumberSignDisplay value. * * @internal ICU 60: The numeric value may change over time; see ICU ticket #12420. */ UNUM_SIGN_COUNT } UNumberSignDisplay; /** * An enum declaring how to render the decimal separator. * *
* UFieldPosition ufpos = {UNUM_GROUPING_SEPARATOR_FIELD, 0, 0}; * while (unumf_resultNextFieldPosition(uresult, ufpos, &ec)) { * // do something with ufpos. * } *
* LocalUNumberFormatterPointer uformatter(unumf_openForSkeletonAndLocale(...)); * // no need to explicitly call unumf_close() *
* LocalUFormattedNumberPointer uformatter(unumf_openResult(...)); * // no need to explicitly call unumf_closeResult() *