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1 // © 2017 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 
4 #include "unicode/utypes.h"
5 
6 #if !UCONFIG_NO_FORMATTING
7 #ifndef __NUMBER_SCIENTIFIC_H__
8 #define __NUMBER_SCIENTIFIC_H__
9 
10 #include "number_types.h"
11 
12 U_NAMESPACE_BEGIN namespace number {
13 namespace impl {
14 
15 // Forward-declare
16 class ScientificHandler;
17 
18 class U_I18N_API ScientificModifier : public UMemory, public Modifier {
19   public:
20     ScientificModifier();
21 
22     void set(int32_t exponent, const ScientificHandler *handler);
23 
24     int32_t apply(NumberStringBuilder &output, int32_t leftIndex, int32_t rightIndex,
25                   UErrorCode &status) const U_OVERRIDE;
26 
27     int32_t getPrefixLength() const U_OVERRIDE;
28 
29     int32_t getCodePointCount() const U_OVERRIDE;
30 
31     bool isStrong() const U_OVERRIDE;
32 
33     bool containsField(UNumberFormatFields field) const U_OVERRIDE;
34 
35     void getParameters(Parameters& output) const U_OVERRIDE;
36 
37     bool semanticallyEquivalent(const Modifier& other) const U_OVERRIDE;
38 
39   private:
40     int32_t fExponent;
41     const ScientificHandler *fHandler;
42 };
43 
44 class ScientificHandler : public UMemory, public MicroPropsGenerator, public MultiplierProducer {
45   public:
46     ScientificHandler(const Notation *notation, const DecimalFormatSymbols *symbols,
47                       const MicroPropsGenerator *parent);
48 
49     void
50     processQuantity(DecimalQuantity &quantity, MicroProps &micros, UErrorCode &status) const U_OVERRIDE;
51 
52     int32_t getMultiplier(int32_t magnitude) const U_OVERRIDE;
53 
54   private:
55     const Notation::ScientificSettings& fSettings;
56     const DecimalFormatSymbols *fSymbols;
57     const MicroPropsGenerator *fParent;
58 
59     friend class ScientificModifier;
60 };
61 
62 } // namespace impl
63 } // namespace number
64 U_NAMESPACE_END
65 
66 #endif //__NUMBER_SCIENTIFIC_H__
67 
68 #endif /* #if !UCONFIG_NO_FORMATTING */
69