diff options
Diffstat (limited to '')
-rw-r--r-- | intl/icu/source/i18n/number_integerwidth.cpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/number_integerwidth.cpp b/intl/icu/source/i18n/number_integerwidth.cpp new file mode 100644 index 0000000000..10b853423c --- /dev/null +++ b/intl/icu/source/i18n/number_integerwidth.cpp @@ -0,0 +1,71 @@ +// © 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 (U_FAILURE(status)) { + return; + } + 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 */ |