90 lines
2.6 KiB
C++
90 lines
2.6 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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#if !UCONFIG_NO_FORMATTING
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#ifndef __NUMBER_COMPACT_H__
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#define __NUMBER_COMPACT_H__
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#include "standardplural.h"
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#include "number_types.h"
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#include "unicode/unum.h"
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#include "uvector.h"
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#include "resource.h"
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#include "number_patternmodifier.h"
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U_NAMESPACE_BEGIN namespace number {
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namespace impl {
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static const int32_t COMPACT_MAX_DIGITS = 15;
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class CompactData : public MultiplierProducer {
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public:
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CompactData();
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void populate(const Locale &locale, const char *nsName, CompactStyle compactStyle,
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CompactType compactType, UErrorCode &status);
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int32_t getMultiplier(int32_t magnitude) const U_OVERRIDE;
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const UChar *getPattern(int32_t magnitude, StandardPlural::Form plural) const;
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void getUniquePatterns(UVector &output, UErrorCode &status) const;
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private:
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const UChar *patterns[(COMPACT_MAX_DIGITS + 1) * StandardPlural::COUNT];
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int8_t multipliers[COMPACT_MAX_DIGITS + 1];
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int8_t largestMagnitude;
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UBool isEmpty;
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class CompactDataSink : public ResourceSink {
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public:
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explicit CompactDataSink(CompactData &data) : data(data) {}
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void put(const char *key, ResourceValue &value, UBool /*noFallback*/, UErrorCode &status) U_OVERRIDE;
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private:
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CompactData &data;
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};
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};
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struct CompactModInfo {
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const ImmutablePatternModifier *mod;
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const UChar* patternString;
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int32_t numDigits;
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};
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class CompactHandler : public MicroPropsGenerator, public UMemory {
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public:
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CompactHandler(CompactStyle compactStyle, const Locale &locale, const char *nsName,
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CompactType compactType, const PluralRules *rules,
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MutablePatternModifier *buildReference, const MicroPropsGenerator *parent,
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UErrorCode &status);
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~CompactHandler() U_OVERRIDE;
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void
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processQuantity(DecimalQuantity &quantity, MicroProps µs, UErrorCode &status) const U_OVERRIDE;
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private:
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const PluralRules *rules;
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const MicroPropsGenerator *parent;
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// Initial capacity of 12 for 0K, 00K, 000K, ...M, ...B, and ...T
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MaybeStackArray<CompactModInfo, 12> precomputedMods;
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int32_t precomputedModsLength = 0;
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CompactData data;
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ParsedPatternInfo unsafePatternInfo;
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UBool safe;
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/** Used by the safe code path */
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void precomputeAllModifiers(MutablePatternModifier &buildReference, UErrorCode &status);
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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_COMPACT_H__
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#endif /* #if !UCONFIG_NO_FORMATTING */
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