StandardPlural::Form QuantityFormatter::selectPlural(
            const Formattable &number,
            const NumberFormat &fmt,
            const PluralRules &rules,
            UnicodeString &formattedNumber,
            FieldPosition &pos,
            UErrorCode &status) {
    if (U_FAILURE(status)) {
        return StandardPlural::OTHER;
    }
    UnicodeString pluralKeyword;
    const DecimalFormat *decFmt = dynamic_cast<const DecimalFormat *>(&fmt);
    if (decFmt != NULL) {
        number::impl::DecimalQuantity dq;
        decFmt->formatToDecimalQuantity(number, dq, status);
        if (U_FAILURE(status)) {
            return StandardPlural::OTHER;
        }
        pluralKeyword = rules.select(dq);
        decFmt->format(number, formattedNumber, pos, status);
    } else {
        if (number.getType() == Formattable::kDouble) {
            pluralKeyword = rules.select(number.getDouble());
        } else if (number.getType() == Formattable::kLong) {
            pluralKeyword = rules.select(number.getLong());
        } else if (number.getType() == Formattable::kInt64) {
            pluralKeyword = rules.select((double) number.getInt64());
        } else {
            status = U_ILLEGAL_ARGUMENT_ERROR;
            return StandardPlural::OTHER;
        }
        fmt.format(number, formattedNumber, pos, status);
    }
    return StandardPlural::orOtherFromString(pluralKeyword);
}
void PluralRulesTest::testGetSamples() {
  // TODO: fix samples, re-enable this test.

  // no get functional equivalent API in ICU4C, so just
  // test every locale...
  UErrorCode status = U_ZERO_ERROR;
  int32_t numLocales;
  const Locale* locales = Locale::getAvailableLocales(numLocales);

  double values[1000];
  for (int32_t i = 0; U_SUCCESS(status) && i < numLocales; ++i) {
    PluralRules *rules = PluralRules::forLocale(locales[i], status);
    if (U_FAILURE(status)) {
      break;
    }
    StringEnumeration *keywords = rules->getKeywords(status);
    if (U_FAILURE(status)) {
      delete rules;
      break;
    }
    const UnicodeString* keyword;
    while (NULL != (keyword = keywords->snext(status))) {
      int32_t count = rules->getSamples(*keyword, values, LENGTHOF(values), status);
      if (U_FAILURE(status)) {
        errln(UNICODE_STRING_SIMPLE("getSamples() failed for locale ") +
              locales[i].getName() +
              UNICODE_STRING_SIMPLE(", keyword ") + *keyword);
        continue;
      }
      if (count == 0) {
        // TODO: Lots of these. 
        //   errln(UNICODE_STRING_SIMPLE("no samples for keyword ") + *keyword + UNICODE_STRING_SIMPLE(" in locale ") + locales[i].getName() );
      }
      if (count > LENGTHOF(values)) {
        errln(UNICODE_STRING_SIMPLE("getSamples()=") + count +
              UNICODE_STRING_SIMPLE(", too many values, for locale ") +
              locales[i].getName() +
              UNICODE_STRING_SIMPLE(", keyword ") + *keyword);
        count = LENGTHOF(values);
      }
      for (int32_t j = 0; j < count; ++j) {
        if (values[j] == UPLRULES_NO_UNIQUE_VALUE) {
          errln("got 'no unique value' among values");
        } else {
          UnicodeString resultKeyword = rules->select(values[j]);
          // if (strcmp(locales[i].getName(), "uk") == 0) {    // Debug only.
          //     std::cout << "  uk " << US(resultKeyword).cstr() << " " << values[j] << std::endl;
          // }
          if (*keyword != resultKeyword) {
            errln("file %s, line %d, Locale %s, sample for keyword \"%s\":  %g, select(%g) returns keyword \"%s\"",
                __FILE__, __LINE__, locales[i].getName(), US(*keyword).cstr(), values[j], values[j], US(resultKeyword).cstr());
          }
        }
      }
    }
    delete keywords;
    delete rules;
  }
}
UBool checkEqual(const PluralRules &test, char *result, int32_t max) {
    UnicodeString key;
    UBool isEqual = TRUE;
    for (int32_t i=0; i<max; ++i) {
        key= test.select(i);
        if ( key.charAt(0)!=result[i] ) {
            isEqual = FALSE;
        }
    }
    return isEqual;
}
void PluralRulesTest::testWithin() {
  // goes to show you what lack of testing will do.
  // of course, this has been broken for two years and no one has noticed...
  UErrorCode status = U_ZERO_ERROR;
  PluralRules *rules = PluralRules::createRules("a: n mod 10 in 5..8", status);
  if (!rules) {
    errln("couldn't instantiate rules");
    return;
  }

  UnicodeString keyword = rules->select((int32_t)26);
  if (keyword != "a") {
    errln("expected 'a' for 26 but didn't get it.");
  }

  keyword = rules->select(26.5);
  if (keyword != "other") {
    errln("expected 'other' for 26.5 but didn't get it.");
  }

  delete rules;
}
示例#5
0
UBool
PluralRules::operator==(const PluralRules& other) const  {
    int32_t limit;
    const UnicodeString *ptrKeyword;
    UErrorCode status= U_ZERO_ERROR;

    if ( this == &other ) {
        return TRUE;
    }
    LocalPointer<StringEnumeration> myKeywordList(getKeywords(status));
    LocalPointer<StringEnumeration> otherKeywordList(other.getKeywords(status));
    if (U_FAILURE(status)) {
        return FALSE;
    }

    if (myKeywordList->count(status)!=otherKeywordList->count(status)) {
        return FALSE;
    }
    myKeywordList->reset(status);
    while ((ptrKeyword=myKeywordList->snext(status))!=NULL) {
        if (!other.isKeyword(*ptrKeyword)) {
            return FALSE;
        }
    }
    otherKeywordList->reset(status);
    while ((ptrKeyword=otherKeywordList->snext(status))!=NULL) {
        if (!this->isKeyword(*ptrKeyword)) {
            return FALSE;
        }
    }
    if (U_FAILURE(status)) {
        return FALSE;
    }

    if ((limit=this->getRepeatLimit()) != other.getRepeatLimit()) {
        return FALSE;
    }
    UnicodeString myKeyword, otherKeyword;
    for (int32_t i=0; i<limit; ++i) {
        myKeyword = this->select(i);
        otherKeyword = other.select(i);
        if (myKeyword!=otherKeyword) {
            return FALSE;
        }
    }
    return TRUE;
}
void PluralRulesTest::testAvailbleLocales() {
    
    // Hash set of (char *) strings.
    UErrorCode status = U_ZERO_ERROR;
    UHashtable *localeSet = uhash_open(uhash_hashUnicodeString, uhash_compareUnicodeString, uhash_compareLong, &status);
    uhash_setKeyDeleter(localeSet, uprv_deleteUObject);
    if (U_FAILURE(status)) {
        errln("file %s,  line %d: Error status = %s", __FILE__, __LINE__, u_errorName(status));
        return;
    }

    // Check that each locale returned by the iterator is unique.
    StringEnumeration *localesEnum = PluralRules::getAvailableLocales(status);
    int localeCount = 0;
    for (;;) {
        const char *locale = localesEnum->next(NULL, status);
        if (U_FAILURE(status)) {
            dataerrln("file %s,  line %d: Error status = %s", __FILE__, __LINE__, u_errorName(status));
            return;
        }
        if (locale == NULL) {
            break;
        }
        localeCount++;
        int32_t oldVal = uhash_puti(localeSet, new UnicodeString(locale), 1, &status);
        if (oldVal != 0) {
            errln("file %s,  line %d: locale %s was seen before.", __FILE__, __LINE__, locale);
        }
    }

    // Reset the iterator, verify that we get the same count.
    localesEnum->reset(status);
    int32_t localeCount2 = 0;
    while (localesEnum->next(NULL, status) != NULL) {
        if (U_FAILURE(status)) {
            errln("file %s,  line %d: Error status = %s", __FILE__, __LINE__, u_errorName(status));
            break;
        }
        localeCount2++;
    }
    if (localeCount != localeCount2) {
        errln("file %s,  line %d: locale counts differ. They are (%d, %d)", 
            __FILE__, __LINE__, localeCount, localeCount2);
    }

    // Instantiate plural rules for each available locale.
    localesEnum->reset(status);
    for (;;) {
        status = U_ZERO_ERROR;
        const char *localeName = localesEnum->next(NULL, status);
        if (U_FAILURE(status)) {
            errln("file %s,  line %d: Error status = %s, locale = %s",
                __FILE__, __LINE__, u_errorName(status), localeName);
            return;
        }
        if (localeName == NULL) {
            break;
        }
        Locale locale = Locale::createFromName(localeName);
        PluralRules *pr = PluralRules::forLocale(locale, status);
        if (U_FAILURE(status)) {
            errln("file %s,  line %d: Error %s creating plural rules for locale %s", 
                __FILE__, __LINE__, u_errorName(status), localeName);
            continue;
        }
        if (pr == NULL) {
            errln("file %s, line %d: Null plural rules for locale %s", __FILE__, __LINE__, localeName);
            continue;
        }

        // Pump some numbers through the plural rules.  Can't check for correct results, 
        // mostly this to tickle any asserts or crashes that may be lurking.
        for (double n=0; n<120.0; n+=0.5) {
            UnicodeString keyword = pr->select(n);
            if (keyword.length() == 0) {
                errln("file %s, line %d, empty keyword for n = %g, locale %s",
                    __FILE__, __LINE__, n, localeName);
            }
        }
        delete pr;
    }

    uhash_close(localeSet);
    delete localesEnum;

}