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
12using namespace icu;
13using namespace icu::number;
14using namespace icu::number::impl;
15
16IntegerWidth::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
22IntegerWidth 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
30IntegerWidth 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
42void 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.setMinInteger(fUnion.minMaxInt.fMinInt);
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.setMinInteger(fUnion.minMaxInt.fMinInt);
54 quantity.applyMaxInteger(fUnion.minMaxInt.fMaxInt);
55 }
56}
57
58bool IntegerWidth::operator==(const IntegerWidth& other) const {
59 // Private operator==; do error and bogus checking first!
60 U_ASSERT(!fHasError);
61 U_ASSERT(!other.fHasError);
62 U_ASSERT(!isBogus());
63 U_ASSERT(!other.isBogus());
64 return fUnion.minMaxInt.fMinInt == other.fUnion.minMaxInt.fMinInt &&
65 fUnion.minMaxInt.fMaxInt == other.fUnion.minMaxInt.fMaxInt;
66}
67
68#endif /* #if !UCONFIG_NO_FORMATTING */
69