// © 2017 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 __NUMBER_MICROPROPS_H__

#define __NUMBER_MICROPROPS_H__

// TODO: minimize includes

#include "unicode/numberformatter.h"

#include "number_types.h"

#include "number_decimalquantity.h"

#include "number_scientific.h"

#include "number_patternstring.h"

#include "number_modifiers.h"

#include "number_multiplier.h"

#include "number_roundingutils.h"

#include "decNumber.h"

#include "charstr.h"

U_NAMESPACE_BEGIN namespace number {

namespace impl {

struct MicroProps : public MicroPropsGenerator {

    // NOTE: All of these fields are properly initialized in NumberFormatterImpl.

    RoundingImpl rounder;

    Grouper grouping;

    Padder padding;

    IntegerWidth integerWidth;

    UNumberSignDisplay sign;

    UNumberDecimalSeparatorDisplay decimal;

    bool useCurrency;

    // Note: This struct has no direct ownership of the following pointers.

    const DecimalFormatSymbols* symbols;

    const Modifier* modOuter;

    const Modifier* modMiddle;

    const Modifier* modInner;

    // The following "helper" fields may optionally be used during the MicroPropsGenerator.

    // They live here to retain memory.

    struct {

        ScientificModifier scientificModifier;

        EmptyModifier emptyWeakModifier{false};

        EmptyModifier emptyStrongModifier{true};

        MultiplierFormatHandler multiplier;

    } helpers;

    MicroProps() = default;

    MicroProps(const MicroProps& other) = default;

    MicroProps& operator=(const MicroProps& other) = default;

    void processQuantity(DecimalQuantity&, MicroProps& micros, UErrorCode& status) const U_OVERRIDE {

        (void) status;

        if (this == &micros) {

            // Unsafe path: no need to perform a copy.

            U_ASSERT(!exhausted);

            micros.exhausted = true;

            U_ASSERT(exhausted);

        } else {

            // Safe path: copy self into the output micros.

            micros = *this;

        }

    }

  private:

    // Internal fields:

    bool exhausted = false;

};

} // namespace impl

} // namespace number

U_NAMESPACE_END

#endif // __NUMBER_MICROPROPS_H__

#endif /* #if !UCONFIG_NO_FORMATTING */