54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
// © 2017 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING && !UPRV_INCOMPLETE_CPP11_SUPPORT
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#include "unicode/numberformatter.h"
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#include "number_patternstring.h"
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using namespace icu::number;
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Grouper Grouper::defaults() {
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return {-2, -2, false};
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}
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Grouper Grouper::minTwoDigits() {
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return {-2, -2, true};
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}
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Grouper Grouper::none() {
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return {-1, -1, false};
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}
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void Grouper::setLocaleData(const impl::ParsedPatternInfo &patternInfo) {
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if (fGrouping1 != -2) {
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return;
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}
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auto grouping1 = static_cast<int8_t> (patternInfo.positive.groupingSizes & 0xffff);
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auto grouping2 = static_cast<int8_t> ((patternInfo.positive.groupingSizes >> 16) & 0xffff);
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auto grouping3 = static_cast<int8_t> ((patternInfo.positive.groupingSizes >> 32) & 0xffff);
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if (grouping2 == -1) {
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grouping1 = -1;
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}
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if (grouping3 == -1) {
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grouping2 = grouping1;
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}
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fGrouping1 = grouping1;
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fGrouping2 = grouping2;
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}
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bool Grouper::groupAtPosition(int32_t position, const impl::DecimalQuantity &value) const {
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U_ASSERT(fGrouping1 > -2);
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if (fGrouping1 == -1 || fGrouping1 == 0) {
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// Either -1 or 0 means "no grouping"
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return false;
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}
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position -= fGrouping1;
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return position >= 0 && (position % fGrouping2) == 0
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&& value.getUpperDisplayMagnitude() - fGrouping1 + 1 >= (fMin2 ? 2 : 1);
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}
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#endif /* #if !UCONFIG_NO_FORMATTING */
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