69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
// © 2017 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 __NUMBER_SCIENTIFIC_H__
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#define __NUMBER_SCIENTIFIC_H__
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#include "number_types.h"
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U_NAMESPACE_BEGIN namespace number {
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namespace impl {
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// Forward-declare
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class ScientificHandler;
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class U_I18N_API ScientificModifier : public UMemory, public Modifier {
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public:
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ScientificModifier();
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void set(int32_t exponent, const ScientificHandler *handler);
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int32_t apply(FormattedStringBuilder &output, int32_t leftIndex, int32_t rightIndex,
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UErrorCode &status) const U_OVERRIDE;
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int32_t getPrefixLength() const U_OVERRIDE;
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int32_t getCodePointCount() const U_OVERRIDE;
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bool isStrong() const U_OVERRIDE;
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bool containsField(Field field) const U_OVERRIDE;
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void getParameters(Parameters& output) const U_OVERRIDE;
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bool semanticallyEquivalent(const Modifier& other) const U_OVERRIDE;
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private:
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int32_t fExponent;
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const ScientificHandler *fHandler;
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};
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class ScientificHandler : public UMemory, public MicroPropsGenerator, public MultiplierProducer {
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public:
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ScientificHandler(const Notation *notation, const DecimalFormatSymbols *symbols,
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const MicroPropsGenerator *parent);
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void
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processQuantity(DecimalQuantity &quantity, MicroProps µs, UErrorCode &status) const U_OVERRIDE;
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int32_t getMultiplier(int32_t magnitude) const U_OVERRIDE;
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private:
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const Notation::ScientificSettings fSettings;
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const DecimalFormatSymbols *fSymbols;
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const MicroPropsGenerator *fParent;
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friend class ScientificModifier;
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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 //__NUMBER_SCIENTIFIC_H__
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#endif /* #if !UCONFIG_NO_FORMATTING */
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