diff options
Diffstat (limited to 'deps/icu-small/source/i18n/upluralrules.cpp')
-rw-r--r-- | deps/icu-small/source/i18n/upluralrules.cpp | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/deps/icu-small/source/i18n/upluralrules.cpp b/deps/icu-small/source/i18n/upluralrules.cpp index 24e74e3ee2..bba6dfe310 100644 --- a/deps/icu-small/source/i18n/upluralrules.cpp +++ b/deps/icu-small/source/i18n/upluralrules.cpp @@ -17,9 +17,44 @@ #include "unicode/unistr.h" #include "unicode/unum.h" #include "unicode/numfmt.h" +#include "number_decimalquantity.h" U_NAMESPACE_USE +namespace { + +/** + * Given a number and a format, returns the keyword of the first applicable + * rule for the PluralRules object. + * @param rules The plural rules. + * @param obj The numeric object for which the rule should be determined. + * @param fmt The NumberFormat specifying how the number will be formatted + * (this can affect the plural form, e.g. "1 dollar" vs "1.0 dollars"). + * @param status Input/output parameter. If at entry this indicates a + * failure status, the method returns immediately; otherwise + * this is set to indicate the outcome of the call. + * @return The keyword of the selected rule. Undefined in the case of an error. + */ +UnicodeString select(const PluralRules &rules, const Formattable& obj, const NumberFormat& fmt, UErrorCode& status) { + if (U_SUCCESS(status)) { + const DecimalFormat *decFmt = dynamic_cast<const DecimalFormat *>(&fmt); + if (decFmt != NULL) { + number::impl::DecimalQuantity dq; + decFmt->formatToDecimalQuantity(obj, dq, status); + if (U_SUCCESS(status)) { + return rules.select(dq); + } + } else { + double number = obj.getDouble(status); + if (U_SUCCESS(status)) { + return rules.select(number); + } + } + } + return UnicodeString(); +} + +} // namespace U_CAPI UPluralRules* U_EXPORT2 uplrules_open(const char *locale, UErrorCode *status) @@ -73,7 +108,7 @@ uplrules_selectWithFormat(const UPluralRules *uplrules, return 0; } Formattable obj(number); - UnicodeString result = plrules->select(obj, *nf, *status); + UnicodeString result = select(*plrules, obj, *nf, *status); return result.extract(keyword, capacity, *status); } |