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-rw-r--r--intl/icu/source/i18n/number_multiplier.h57
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diff --git a/intl/icu/source/i18n/number_multiplier.h b/intl/icu/source/i18n/number_multiplier.h
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+// © 2018 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_FORMATTING
+#ifndef __SOURCE_NUMBER_MULTIPLIER_H__
+#define __SOURCE_NUMBER_MULTIPLIER_H__
+
+#include "numparse_types.h"
+#include "number_decimfmtprops.h"
+
+U_NAMESPACE_BEGIN namespace number {
+namespace impl {
+
+
+/**
+ * Wraps a {@link Multiplier} for use in the number formatting pipeline.
+ */
+// Exported as U_I18N_API for tests
+class U_I18N_API MultiplierFormatHandler : public MicroPropsGenerator, public UMemory {
+ public:
+ MultiplierFormatHandler() = default; // WARNING: Leaves object in an unusable state; call setAndChain()
+
+ void setAndChain(const Scale& multiplier, const MicroPropsGenerator* parent);
+
+ void processQuantity(DecimalQuantity& quantity, MicroProps& micros,
+ UErrorCode& status) const override;
+
+ private:
+ Scale fMultiplier;
+ const MicroPropsGenerator *fParent;
+};
+
+
+/** Gets a Scale from a DecimalFormatProperties. In Java, defined in RoundingUtils.java */
+static inline Scale scaleFromProperties(const DecimalFormatProperties& properties) {
+ int32_t magnitudeMultiplier = properties.magnitudeMultiplier + properties.multiplierScale;
+ int32_t arbitraryMultiplier = properties.multiplier;
+ if (magnitudeMultiplier != 0 && arbitraryMultiplier != 1) {
+ return Scale::byDoubleAndPowerOfTen(arbitraryMultiplier, magnitudeMultiplier);
+ } else if (magnitudeMultiplier != 0) {
+ return Scale::powerOfTen(magnitudeMultiplier);
+ } else if (arbitraryMultiplier != 1) {
+ return Scale::byDouble(arbitraryMultiplier);
+ } else {
+ return Scale::none();
+ }
+}
+
+
+} // namespace impl
+} // namespace number
+U_NAMESPACE_END
+
+#endif //__SOURCE_NUMBER_MULTIPLIER_H__
+#endif /* #if !UCONFIG_NO_FORMATTING */