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// © 2018 and later: Unicode, Inc. and others. 
// License & terms of use: http://www.unicode.org/copyright.html 
 
#include "unicode/utypes.h" 
 
#if !UCONFIG_NO_FORMATTING 
#ifndef __SOURCE_NUMRANGE_TYPES_H__ 
#define __SOURCE_NUMRANGE_TYPES_H__ 
 
#include "unicode/numberformatter.h" 
#include "unicode/numberrangeformatter.h" 
#include "unicode/simpleformatter.h" 
#include "number_types.h" 
#include "number_decimalquantity.h" 
#include "number_formatimpl.h" 
#include "formatted_string_builder.h" 
#include "formattedval_impl.h" 
 
U_NAMESPACE_BEGIN namespace number { 
namespace impl { 
 
 
/** 
 * Class similar to UFormattedNumberData. 
 * 
 * Has incomplete magic number logic that will need to be finished 
 * if this is to be exposed as C API in the future. 
 * 
 * Possible magic number: 0x46445200 
 * Reads in ASCII as "FDR" (FormatteDnumberRange with room at the end) 
 */ 
class UFormattedNumberRangeData : public FormattedValueStringBuilderImpl { 
public: 
    UFormattedNumberRangeData() : FormattedValueStringBuilderImpl(kUndefinedField) {} 
    virtual ~UFormattedNumberRangeData(); 
 
    DecimalQuantity quantity1; 
    DecimalQuantity quantity2; 
    UNumberRangeIdentityResult identityResult = UNUM_IDENTITY_RESULT_COUNT; 
}; 
 
 
class StandardPluralRanges : public UMemory { 
  public: 
    void initialize(const Locale& locale, UErrorCode& status); 
    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); 
 
  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; 
}; 
 
 
class NumberRangeFormatterImpl : public UMemory { 
  public: 
    NumberRangeFormatterImpl(const RangeMacroProps& macros, UErrorCode& status); 
 
    void format(UFormattedNumberRangeData& data, bool equalBeforeRounding, UErrorCode& status) const; 
 
  private: 
    NumberFormatterImpl formatterImpl1; 
    NumberFormatterImpl formatterImpl2; 
    bool fSameFormatters; 
 
    UNumberRangeCollapse fCollapse; 
    UNumberRangeIdentityFallback fIdentityFallback; 
 
    SimpleFormatter fRangeFormatter; 
    SimpleModifier fApproximatelyModifier; 
 
    StandardPluralRanges fPluralRanges; 
 
    void formatSingleValue(UFormattedNumberRangeData& data, 
                           MicroProps& micros1, MicroProps& micros2, 
                           UErrorCode& status) const; 
 
    void formatApproximately(UFormattedNumberRangeData& data, 
                             MicroProps& micros1, MicroProps& micros2, 
                             UErrorCode& status) const; 
 
    void formatRange(UFormattedNumberRangeData& data, 
                     MicroProps& micros1, MicroProps& micros2, 
                     UErrorCode& status) const; 
 
    const Modifier& resolveModifierPlurals(const Modifier& first, const Modifier& second) const; 
}; 
 
 
} // namespace impl 
} // namespace number 
U_NAMESPACE_END 
 
#endif //__SOURCE_NUMRANGE_TYPES_H__ 
#endif /* #if !UCONFIG_NO_FORMATTING */