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