You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

72 lines
2.4 KiB

// © 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 */