1// © 2018 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 __SOURCE_NUMRANGE_TYPES_H__
8#define __SOURCE_NUMRANGE_TYPES_H__
9
10#include "unicode/numberformatter.h"
11#include "unicode/numberrangeformatter.h"
12#include "unicode/simpleformatter.h"
13#include "number_types.h"
14#include "number_decimalquantity.h"
15#include "number_formatimpl.h"
16#include "formatted_string_builder.h"
17#include "formattedval_impl.h"
18
19U_NAMESPACE_BEGIN namespace number {
20namespace impl {
21
22
23/**
24 * Class similar to UFormattedNumberData.
25 *
26 * Has incomplete magic number logic that will need to be finished
27 * if this is to be exposed as C API in the future.
28 *
29 * Possible magic number: 0x46445200
30 * Reads in ASCII as "FDR" (FormatteDnumberRange with room at the end)
31 */
32class UFormattedNumberRangeData : public FormattedValueStringBuilderImpl {
33public:
34 UFormattedNumberRangeData() : FormattedValueStringBuilderImpl(kUndefinedField) {}
35 virtual ~UFormattedNumberRangeData();
36
37 DecimalQuantity quantity1;
38 DecimalQuantity quantity2;
39 UNumberRangeIdentityResult identityResult = UNUM_IDENTITY_RESULT_COUNT;
40};
41
42
43class StandardPluralRanges : public UMemory {
44 public:
45 void initialize(const Locale& locale, UErrorCode& status);
46 StandardPlural::Form resolve(StandardPlural::Form first, StandardPlural::Form second) const;
47
48 /** Used for data loading. */
49 void addPluralRange(
50 StandardPlural::Form first,
51 StandardPlural::Form second,
52 StandardPlural::Form result);
53
54 /** Used for data loading. */
55 void setCapacity(int32_t length);
56
57 private:
58 struct StandardPluralRangeTriple {
59 StandardPlural::Form first;
60 StandardPlural::Form second;
61 StandardPlural::Form result;
62 };
63
64 // TODO: An array is simple here, but it results in linear lookup time.
65 // Certain locales have 20-30 entries in this list.
66 // Consider changing to a smarter data structure.
67 typedef MaybeStackArray<StandardPluralRangeTriple, 3> PluralRangeTriples;
68 PluralRangeTriples fTriples;
69 int32_t fTriplesLen = 0;
70};
71
72
73class NumberRangeFormatterImpl : public UMemory {
74 public:
75 NumberRangeFormatterImpl(const RangeMacroProps& macros, UErrorCode& status);
76
77 void format(UFormattedNumberRangeData& data, bool equalBeforeRounding, UErrorCode& status) const;
78
79 private:
80 NumberFormatterImpl formatterImpl1;
81 NumberFormatterImpl formatterImpl2;
82 bool fSameFormatters;
83
84 UNumberRangeCollapse fCollapse;
85 UNumberRangeIdentityFallback fIdentityFallback;
86
87 SimpleFormatter fRangeFormatter;
88 SimpleModifier fApproximatelyModifier;
89
90 StandardPluralRanges fPluralRanges;
91
92 void formatSingleValue(UFormattedNumberRangeData& data,
93 MicroProps& micros1, MicroProps& micros2,
94 UErrorCode& status) const;
95
96 void formatApproximately(UFormattedNumberRangeData& data,
97 MicroProps& micros1, MicroProps& micros2,
98 UErrorCode& status) const;
99
100 void formatRange(UFormattedNumberRangeData& data,
101 MicroProps& micros1, MicroProps& micros2,
102 UErrorCode& status) const;
103
104 const Modifier& resolveModifierPlurals(const Modifier& first, const Modifier& second) const;
105};
106
107
108} // namespace impl
109} // namespace number
110U_NAMESPACE_END
111
112#endif //__SOURCE_NUMRANGE_TYPES_H__
113#endif /* #if !UCONFIG_NO_FORMATTING */
114