1 // © 2017 and later: Unicode, Inc. and others. 2 // License & terms of use: http://www.unicode.org/copyright.html 3 4 #include "unicode/utypes.h" 5 6 #if !UCONFIG_NO_FORMATTING 7 8 #include "unicode/numberformatter.h" 9 #include "number_types.h" 10 #include "number_decimalquantity.h" 11 12 using namespace icu; 13 using namespace icu::number; 14 using namespace icu::number::impl; 15 16 IntegerWidth::IntegerWidth(digits_t minInt, digits_t maxInt, bool formatFailIfMoreThanMaxDigits) { 17 fUnion.minMaxInt.fMinInt = minInt; 18 fUnion.minMaxInt.fMaxInt = maxInt; 19 fUnion.minMaxInt.fFormatFailIfMoreThanMaxDigits = formatFailIfMoreThanMaxDigits; 20 } 21 22 IntegerWidth IntegerWidth::zeroFillTo(int32_t minInt) { 23 if (minInt >= 0 && minInt <= kMaxIntFracSig) { 24 return {static_cast<digits_t>(minInt), -1, false}; 25 } else { 26 return {U_NUMBER_ARG_OUTOFBOUNDS_ERROR}; 27 } 28 } 29 30 IntegerWidth IntegerWidth::truncateAt(int32_t maxInt) { 31 if (fHasError) { return *this; } // No-op on error 32 digits_t minInt = fUnion.minMaxInt.fMinInt; 33 if (maxInt >= 0 && maxInt <= kMaxIntFracSig && minInt <= maxInt) { 34 return {minInt, static_cast<digits_t>(maxInt), false}; 35 } else if (maxInt == -1) { 36 return {minInt, -1, false}; 37 } else { 38 return {U_NUMBER_ARG_OUTOFBOUNDS_ERROR}; 39 } 40 } 41 42 void IntegerWidth::apply(impl::DecimalQuantity& quantity, UErrorCode& status) const { 43 if (fHasError) { 44 status = U_ILLEGAL_ARGUMENT_ERROR; 45 } else if (fUnion.minMaxInt.fMaxInt == -1) { 46 quantity.setIntegerLength(fUnion.minMaxInt.fMinInt, INT32_MAX); 47 } else { 48 // Enforce the backwards-compatibility feature "FormatFailIfMoreThanMaxDigits" 49 if (fUnion.minMaxInt.fFormatFailIfMoreThanMaxDigits && 50 fUnion.minMaxInt.fMaxInt < quantity.getMagnitude()) { 51 status = U_ILLEGAL_ARGUMENT_ERROR; 52 } 53 quantity.setIntegerLength(fUnion.minMaxInt.fMinInt, fUnion.minMaxInt.fMaxInt); 54 } 55 } 56 57 bool IntegerWidth::operator==(const IntegerWidth& other) const { 58 // Private operator==; do error and bogus checking first! 59 U_ASSERT(!fHasError); 60 U_ASSERT(!other.fHasError); 61 U_ASSERT(!isBogus()); 62 U_ASSERT(!other.isBogus()); 63 return fUnion.minMaxInt.fMinInt == other.fUnion.minMaxInt.fMinInt && 64 fUnion.minMaxInt.fMaxInt == other.fUnion.minMaxInt.fMaxInt; 65 } 66 67 #endif /* #if !UCONFIG_NO_FORMATTING */ 68