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// © 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 
 
#include "unicode/numberformatter.h" 
#include "number_types.h" 
#include "number_decimalquantity.h" 
 
using namespace icu; 
using namespace icu::number; 
using namespace icu::number::impl; 
 
IntegerWidth::IntegerWidth(digits_t minInt, digits_t maxInt, bool formatFailIfMoreThanMaxDigits) { 
    fUnion.minMaxInt.fMinInt = minInt; 
    fUnion.minMaxInt.fMaxInt = maxInt; 
    fUnion.minMaxInt.fFormatFailIfMoreThanMaxDigits = formatFailIfMoreThanMaxDigits; 
} 
 
IntegerWidth IntegerWidth::zeroFillTo(int32_t minInt) { 
    if (minInt >= 0 && minInt <= kMaxIntFracSig) { 
        return {static_cast<digits_t>(minInt), -1, false}; 
    } else { 
        return {U_NUMBER_ARG_OUTOFBOUNDS_ERROR}; 
    } 
} 
 
IntegerWidth IntegerWidth::truncateAt(int32_t maxInt) { 
    if (fHasError) { return *this; }  // No-op on error 
    digits_t minInt = fUnion.minMaxInt.fMinInt; 
    if (maxInt >= 0 && maxInt <= kMaxIntFracSig && minInt <= maxInt) { 
        return {minInt, static_cast<digits_t>(maxInt), false}; 
    } else if (maxInt == -1) { 
        return {minInt, -1, false}; 
    } else { 
        return {U_NUMBER_ARG_OUTOFBOUNDS_ERROR}; 
    } 
} 
 
void IntegerWidth::apply(impl::DecimalQuantity& quantity, UErrorCode& status) const { 
    if (fHasError) { 
        status = U_ILLEGAL_ARGUMENT_ERROR; 
    } else if (fUnion.minMaxInt.fMaxInt == -1) { 
        quantity.setMinInteger(fUnion.minMaxInt.fMinInt); 
    } else { 
        // Enforce the backwards-compatibility feature "FormatFailIfMoreThanMaxDigits" 
        if (fUnion.minMaxInt.fFormatFailIfMoreThanMaxDigits && 
            fUnion.minMaxInt.fMaxInt < quantity.getMagnitude()) { 
            status = U_ILLEGAL_ARGUMENT_ERROR; 
        } 
        quantity.setMinInteger(fUnion.minMaxInt.fMinInt); 
        quantity.applyMaxInteger(fUnion.minMaxInt.fMaxInt); 
    } 
} 
 
bool IntegerWidth::operator==(const IntegerWidth& other) const { 
    // Private operator==; do error and bogus checking first! 
    U_ASSERT(!fHasError); 
    U_ASSERT(!other.fHasError); 
    U_ASSERT(!isBogus()); 
    U_ASSERT(!other.isBogus()); 
    return fUnion.minMaxInt.fMinInt == other.fUnion.minMaxInt.fMinInt && 
           fUnion.minMaxInt.fMaxInt == other.fUnion.minMaxInt.fMaxInt; 
} 
 
#endif /* #if !UCONFIG_NO_FORMATTING */