ICU-64260.0.1.tar.gz

[apple/icu.git] / icuSources / i18n / plurfmt.cpp

diff --git a/icuSources/i18n/plurfmt.cpp b/icuSources/i18n/plurfmt.cpp
index e14ef6d831ecce1a4332609b9511f615000b4e1c..678d91b9c824bc1068aa0be342e4c50cd5741eb9 100644 (file)
--- a/icuSources/i18n/plurfmt.cpp
+++ b/icuSources/i18n/plurfmt.cpp
@@ -21,13 +21,16 @@
 #include "plurrule_impl.h"
 #include "uassert.h"
 #include "uhash.h"
-#include "precision.h"
-#include "visibledigits.h"
+#include "number_decimalquantity.h"
+#include "number_utils.h"
+#include "number_utypes.h"
 
 #if !UCONFIG_NO_FORMATTING
 
 U_NAMESPACE_BEGIN
 
+using number::impl::DecimalQuantity;
+
 static const UChar OTHER_STRING[] = {
     0x6F, 0x74, 0x68, 0x65, 0x72, 0  // "other"
 };
@@ -258,45 +261,33 @@ PluralFormat::format(const Formattable& numberObject, double number,
     if (msgPattern.countParts() == 0) {
         return numberFormat->format(numberObject, appendTo, pos, status);
     }
+
     // Get the appropriate sub-message.
     // Select it based on the formatted number-offset.
     double numberMinusOffset = number - offset;
-    UnicodeString numberString;
-    FieldPosition ignorePos;
-    FixedPrecision fp;
-    VisibleDigitsWithExponent dec;
-    fp.initVisibleDigitsWithExponent(numberMinusOffset, dec, status);
-    if (U_FAILURE(status)) {
-        return appendTo;
-    }
+    // Call NumberFormatter to get both the DecimalQuantity and the string.
+    // This call site needs to use more internal APIs than the Java equivalent.
+    number::impl::UFormattedNumberData data;
     if (offset == 0) {
-        DecimalFormat *decFmt = dynamic_cast<DecimalFormat *>(numberFormat);
-        if(decFmt != NULL) {
-            decFmt->initVisibleDigitsWithExponent(
-                    numberObject, dec, status);
-            if (U_FAILURE(status)) {
-                return appendTo;
-            }
-            decFmt->format(dec, numberString, ignorePos, status);
-        } else {
-            numberFormat->format(
-                    numberObject, numberString, ignorePos, status);  // could be BigDecimal etc.
-        }
+        // could be BigDecimal etc.
+        numberObject.populateDecimalQuantity(data.quantity, status);
     } else {
-        DecimalFormat *decFmt = dynamic_cast<DecimalFormat *>(numberFormat);
-        if(decFmt != NULL) {
-            decFmt->initVisibleDigitsWithExponent(
-                    numberMinusOffset, dec, status);
-            if (U_FAILURE(status)) {
-                return appendTo;
-            }
-            decFmt->format(dec, numberString, ignorePos, status);
+        data.quantity.setToDouble(numberMinusOffset);
+    }
+    UnicodeString numberString;
+    auto *decFmt = dynamic_cast<DecimalFormat *>(numberFormat);
+    if(decFmt != nullptr) {
+        decFmt->toNumberFormatter().formatImpl(&data, status); // mutates &data
+        numberString = data.getStringRef().toUnicodeString();
+    } else {
+        if (offset == 0) {
+            numberFormat->format(numberObject, numberString, status);
         } else {
-            numberFormat->format(
-                    numberMinusOffset, numberString, ignorePos, status);
+            numberFormat->format(numberMinusOffset, numberString, status);
         }
     }
-    int32_t partIndex = findSubMessage(msgPattern, 0, pluralRulesWrapper, &dec, number, status);
+
+    int32_t partIndex = findSubMessage(msgPattern, 0, pluralRulesWrapper, &data.quantity, number, status);
     if (U_FAILURE(status)) { return appendTo; }
     // Replace syntactic # signs in the top level of this sub-message
     // (not in nested arguments) with the formatted number-offset.
@@ -585,7 +576,7 @@ PluralFormat::PluralSelectorAdapter::~PluralSelectorAdapter() {
 UnicodeString PluralFormat::PluralSelectorAdapter::select(void *context, double number,
                                                           UErrorCode& /*ec*/) const {
     (void)number;  // unused except in the assertion
-    VisibleDigitsWithExponent *dec=static_cast<VisibleDigitsWithExponent *>(context);
+    IFixedDecimal *dec=static_cast<IFixedDecimal *>(context);
     return pluralRules->select(*dec);
 }