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_COMPACT_H__
8#define __NUMBER_COMPACT_H__
9
10#include "standardplural.h"
11#include "number_types.h"
12#include "unicode/unum.h"
13#include "uvector.h"
14#include "resource.h"
15#include "number_patternmodifier.h"
16
17U_NAMESPACE_BEGIN namespace number {
18namespace impl {
19
20static const int32_t COMPACT_MAX_DIGITS = 15;
21
22class CompactData : public MultiplierProducer {
23 public:
24 CompactData();
25
26 void populate(const Locale &locale, const char *nsName, CompactStyle compactStyle,
27 CompactType compactType, UErrorCode &status);
28
29 int32_t getMultiplier(int32_t magnitude) const U_OVERRIDE;
30
31 const UChar *getPattern(int32_t magnitude, StandardPlural::Form plural) const;
32
33 void getUniquePatterns(UVector &output, UErrorCode &status) const;
34
35 private:
36 const UChar *patterns[(COMPACT_MAX_DIGITS + 1) * StandardPlural::COUNT];
37 int8_t multipliers[COMPACT_MAX_DIGITS + 1];
38 int8_t largestMagnitude;
39 UBool isEmpty;
40
41 class CompactDataSink : public ResourceSink {
42 public:
43 explicit CompactDataSink(CompactData &data) : data(data) {}
44
45 void put(const char *key, ResourceValue &value, UBool /*noFallback*/, UErrorCode &status) U_OVERRIDE;
46
47 private:
48 CompactData &data;
49 };
50};
51
52struct CompactModInfo {
53 const ImmutablePatternModifier *mod;
54 const UChar* patternString;
55};
56
57class CompactHandler : public MicroPropsGenerator, public UMemory {
58 public:
59 CompactHandler(
60 CompactStyle compactStyle,
61 const Locale &locale,
62 const char *nsName,
63 CompactType compactType,
64 const PluralRules *rules,
65 MutablePatternModifier *buildReference,
66 bool safe,
67 const MicroPropsGenerator *parent,
68 UErrorCode &status);
69
70 ~CompactHandler() U_OVERRIDE;
71
72 void
73 processQuantity(DecimalQuantity &quantity, MicroProps &micros, UErrorCode &status) const U_OVERRIDE;
74
75 private:
76 const PluralRules *rules;
77 const MicroPropsGenerator *parent;
78 // Initial capacity of 12 for 0K, 00K, 000K, ...M, ...B, and ...T
79 MaybeStackArray<CompactModInfo, 12> precomputedMods;
80 int32_t precomputedModsLength = 0;
81 CompactData data;
82 ParsedPatternInfo unsafePatternInfo;
83 MutablePatternModifier* unsafePatternModifier;
84 UBool safe;
85
86 /** Used by the safe code path */
87 void precomputeAllModifiers(MutablePatternModifier &buildReference, UErrorCode &status);
88};
89
90
91} // namespace impl
92} // namespace number
93U_NAMESPACE_END
94
95#endif //__NUMBER_COMPACT_H__
96
97#endif /* #if !UCONFIG_NO_FORMATTING */
98