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// © 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 && !UPRV_INCOMPLETE_CPP11_SUPPORT
#include "unicode/numberformatter.h"
#include "number_patternstring.h"
using namespace icu;
using namespace icu::number;
using namespace icu::number::impl;
Grouper Grouper::defaults() {
return {-2, -2, false};
}
Grouper Grouper::minTwoDigits() {
return {-2, -2, true};
}
Grouper Grouper::none() {
return {-1, -1, false};
}
void Grouper::setLocaleData(const impl::ParsedPatternInfo &patternInfo) {
if (fGrouping1 != -2) {
return;
}
auto grouping1 = static_cast<int8_t> (patternInfo.positive.groupingSizes & 0xffff);
auto grouping2 = static_cast<int8_t> ((patternInfo.positive.groupingSizes >> 16) & 0xffff);
auto grouping3 = static_cast<int8_t> ((patternInfo.positive.groupingSizes >> 32) & 0xffff);
if (grouping2 == -1) {
grouping1 = -1;
}
if (grouping3 == -1) {
grouping2 = grouping1;
}
fGrouping1 = grouping1;
fGrouping2 = grouping2;
}
bool Grouper::groupAtPosition(int32_t position, const impl::DecimalQuantity &value) const {
U_ASSERT(fGrouping1 > -2);
if (fGrouping1 == -1 || fGrouping1 == 0) {
// Either -1 or 0 means "no grouping"
return false;
}
position -= fGrouping1;
return position >= 0 && (position % fGrouping2) == 0
&& value.getUpperDisplayMagnitude() - fGrouping1 + 1 >= (fMin2 ? 2 : 1);
}
#endif /* #if !UCONFIG_NO_FORMATTING */
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