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