118 lines
4.0 KiB
C++
118 lines
4.0 KiB
C++
// © 2018 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
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// Allow implicit conversion from char16_t* to UnicodeString for this file:
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// Helpful in toString methods and elsewhere.
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#define UNISTR_FROM_STRING_EXPLICIT
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#include <stdlib.h>
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#include <cmath>
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#include "number_asformat.h"
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#include "number_types.h"
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#include "number_utils.h"
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#include "fphdlimp.h"
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#include "number_utypes.h"
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using namespace icu;
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using namespace icu::number;
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using namespace icu::number::impl;
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UOBJECT_DEFINE_RTTI_IMPLEMENTATION(LocalizedNumberFormatterAsFormat)
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LocalizedNumberFormatterAsFormat::LocalizedNumberFormatterAsFormat(
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const LocalizedNumberFormatter& formatter, const Locale& locale)
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: fFormatter(formatter), fLocale(locale) {
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const char* localeName = locale.getName();
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setLocaleIDs(localeName, localeName);
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}
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LocalizedNumberFormatterAsFormat::~LocalizedNumberFormatterAsFormat() = default;
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bool LocalizedNumberFormatterAsFormat::operator==(const Format& other) const {
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auto* _other = dynamic_cast<const LocalizedNumberFormatterAsFormat*>(&other);
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if (_other == nullptr) {
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return false;
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}
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// TODO: Change this to use LocalizedNumberFormatter::operator== if it is ever proposed.
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// This implementation is fine, but not particularly efficient.
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UErrorCode localStatus = U_ZERO_ERROR;
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return fFormatter.toSkeleton(localStatus) == _other->fFormatter.toSkeleton(localStatus);
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}
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LocalizedNumberFormatterAsFormat* LocalizedNumberFormatterAsFormat::clone() const {
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return new LocalizedNumberFormatterAsFormat(*this);
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}
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UnicodeString& LocalizedNumberFormatterAsFormat::format(const Formattable& obj, UnicodeString& appendTo,
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FieldPosition& pos, UErrorCode& status) const {
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if (U_FAILURE(status)) { return appendTo; }
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UFormattedNumberData data;
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obj.populateDecimalQuantity(data.quantity, status);
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if (U_FAILURE(status)) {
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return appendTo;
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}
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fFormatter.formatImpl(&data, status);
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if (U_FAILURE(status)) {
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return appendTo;
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}
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// always return first occurrence:
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pos.setBeginIndex(0);
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pos.setEndIndex(0);
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bool found = data.nextFieldPosition(pos, status);
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if (found && appendTo.length() != 0) {
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pos.setBeginIndex(pos.getBeginIndex() + appendTo.length());
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pos.setEndIndex(pos.getEndIndex() + appendTo.length());
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}
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appendTo.append(data.toTempString(status));
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return appendTo;
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}
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UnicodeString& LocalizedNumberFormatterAsFormat::format(const Formattable& obj, UnicodeString& appendTo,
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FieldPositionIterator* posIter,
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UErrorCode& status) const {
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if (U_FAILURE(status)) { return appendTo; }
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UFormattedNumberData data;
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obj.populateDecimalQuantity(data.quantity, status);
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if (U_FAILURE(status)) {
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return appendTo;
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}
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fFormatter.formatImpl(&data, status);
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if (U_FAILURE(status)) {
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return appendTo;
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}
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appendTo.append(data.toTempString(status));
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if (posIter != nullptr) {
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FieldPositionIteratorHandler fpih(posIter, status);
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data.getAllFieldPositions(fpih, status);
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}
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return appendTo;
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}
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void LocalizedNumberFormatterAsFormat::parseObject(const UnicodeString&, Formattable&,
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ParsePosition& parse_pos) const {
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// Not supported.
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parse_pos.setErrorIndex(0);
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}
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const LocalizedNumberFormatter& LocalizedNumberFormatterAsFormat::getNumberFormatter() const {
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return fFormatter;
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}
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// Definitions of public API methods (put here for dependency disentanglement)
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Format* LocalizedNumberFormatter::toFormat(UErrorCode& status) const {
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if (U_FAILURE(status)) {
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return nullptr;
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}
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LocalPointer<LocalizedNumberFormatterAsFormat> retval(
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new LocalizedNumberFormatterAsFormat(*this, fMacros.locale), status);
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return retval.orphan();
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}
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#endif /* #if !UCONFIG_NO_FORMATTING */
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