68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
// © 2018 and later: Unicode, Inc. and others.
|
|
// License & terms of use: http://www.unicode.org/copyright.html
|
|
|
|
#ifndef __PLURALRANGES_H__
|
|
#define __PLURALRANGES_H__
|
|
|
|
#include "unicode/utypes.h"
|
|
|
|
#if !UCONFIG_NO_FORMATTING
|
|
|
|
#include "unicode/uobject.h"
|
|
#include "unicode/locid.h"
|
|
#include "unicode/plurrule.h"
|
|
#include "standardplural.h"
|
|
#include "cmemory.h"
|
|
|
|
U_NAMESPACE_BEGIN
|
|
|
|
// Forward declarations
|
|
namespace number {
|
|
namespace impl {
|
|
class UFormattedNumberRangeData;
|
|
}
|
|
}
|
|
|
|
class StandardPluralRanges : public UMemory {
|
|
public:
|
|
/** Create a new StandardPluralRanges for the given locale */
|
|
static StandardPluralRanges forLocale(const Locale& locale, UErrorCode& status);
|
|
|
|
/** Explicit copy constructor */
|
|
StandardPluralRanges copy(UErrorCode& status) const;
|
|
|
|
/** Create an object (called on an rvalue) */
|
|
LocalPointer<StandardPluralRanges> toPointer(UErrorCode& status) && noexcept;
|
|
|
|
/** Select rule based on the first and second forms */
|
|
StandardPlural::Form resolve(StandardPlural::Form first, StandardPlural::Form second) const;
|
|
|
|
/** Used for data loading. */
|
|
void addPluralRange(
|
|
StandardPlural::Form first,
|
|
StandardPlural::Form second,
|
|
StandardPlural::Form result);
|
|
|
|
/** Used for data loading. */
|
|
void setCapacity(int32_t length, UErrorCode& status);
|
|
|
|
private:
|
|
struct StandardPluralRangeTriple {
|
|
StandardPlural::Form first;
|
|
StandardPlural::Form second;
|
|
StandardPlural::Form result;
|
|
};
|
|
|
|
// TODO: An array is simple here, but it results in linear lookup time.
|
|
// Certain locales have 20-30 entries in this list.
|
|
// Consider changing to a smarter data structure.
|
|
typedef MaybeStackArray<StandardPluralRangeTriple, 3> PluralRangeTriples;
|
|
PluralRangeTriples fTriples;
|
|
int32_t fTriplesLen = 0;
|
|
};
|
|
|
|
U_NAMESPACE_END
|
|
|
|
#endif /* #if !UCONFIG_NO_FORMATTING */
|
|
#endif //__PLURALRANGES_H__
|