150 lines
4.7 KiB
C++
150 lines
4.7 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 "fphdlimp.h"
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#include "number_utypes.h"
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#include "numparse_types.h"
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#include "formattedval_impl.h"
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#include "numrange_impl.h"
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#include "unicode/numberrangeformatter.h"
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#include "unicode/unumberrangeformatter.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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U_NAMESPACE_BEGIN
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namespace number {
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namespace impl {
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/**
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* Implementation class for UNumberRangeFormatter. Wraps a LocalizedRangeNumberFormatter.
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*/
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struct UNumberRangeFormatterData : public UMemory,
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// Magic number as ASCII == "NRF" (NumberRangeFormatter)
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public IcuCApiHelper<UNumberRangeFormatter, UNumberRangeFormatterData, 0x4E524600> {
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LocalizedNumberRangeFormatter fFormatter;
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};
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struct UFormattedNumberRangeImpl;
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// Magic number as ASCII == "FDN" (FormatteDNumber)
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typedef IcuCApiHelper<UFormattedNumberRange, UFormattedNumberRangeImpl, 0x46444E00> UFormattedNumberRangeApiHelper;
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struct UFormattedNumberRangeImpl : public UFormattedValueImpl, public UFormattedNumberRangeApiHelper {
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UFormattedNumberRangeImpl();
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~UFormattedNumberRangeImpl();
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FormattedNumberRange fImpl;
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UFormattedNumberRangeData fData;
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};
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UFormattedNumberRangeImpl::UFormattedNumberRangeImpl()
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: fImpl(&fData) {
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fFormattedValue = &fImpl;
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}
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UFormattedNumberRangeImpl::~UFormattedNumberRangeImpl() {
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// Disown the data from fImpl so it doesn't get deleted twice
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fImpl.fData = nullptr;
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}
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}
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}
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U_NAMESPACE_END
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UPRV_FORMATTED_VALUE_CAPI_NO_IMPLTYPE_AUTO_IMPL(
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UFormattedNumberRange,
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UFormattedNumberRangeImpl,
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UFormattedNumberRangeApiHelper,
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unumrf)
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U_CAPI UNumberRangeFormatter* U_EXPORT2
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unumrf_openForSkeletonWithCollapseAndIdentityFallback(
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const UChar* skeleton,
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int32_t skeletonLen,
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UNumberRangeCollapse collapse,
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UNumberRangeIdentityFallback identityFallback,
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const char* locale,
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UParseError* perror,
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UErrorCode* ec) {
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auto* impl = new UNumberRangeFormatterData();
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if (impl == nullptr) {
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*ec = U_MEMORY_ALLOCATION_ERROR;
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return nullptr;
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}
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// Readonly-alias constructor (first argument is whether we are NUL-terminated)
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UnicodeString skeletonString(skeletonLen == -1, skeleton, skeletonLen);
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impl->fFormatter = NumberRangeFormatter::withLocale(locale)
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.numberFormatterBoth(NumberFormatter::forSkeleton(skeletonString, *perror, *ec))
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.collapse(collapse)
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.identityFallback(identityFallback);
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return impl->exportForC();
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}
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U_CAPI void U_EXPORT2
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unumrf_formatDoubleRange(
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const UNumberRangeFormatter* uformatter,
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double first,
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double second,
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UFormattedNumberRange* uresult,
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UErrorCode* ec) {
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const UNumberRangeFormatterData* formatter = UNumberRangeFormatterData::validate(uformatter, *ec);
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auto* result = UFormattedNumberRangeApiHelper::validate(uresult, *ec);
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if (U_FAILURE(*ec)) { return; }
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result->fData.getStringRef().clear();
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result->fData.quantity1.setToDouble(first);
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result->fData.quantity2.setToDouble(second);
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formatter->fFormatter.formatImpl(result->fData, first == second, *ec);
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}
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U_CAPI void U_EXPORT2
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unumrf_formatDecimalRange(
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const UNumberRangeFormatter* uformatter,
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const char* first, int32_t firstLen,
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const char* second, int32_t secondLen,
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UFormattedNumberRange* uresult,
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UErrorCode* ec) {
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const UNumberRangeFormatterData* formatter = UNumberRangeFormatterData::validate(uformatter, *ec);
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auto* result = UFormattedNumberRangeApiHelper::validate(uresult, *ec);
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if (U_FAILURE(*ec)) { return; }
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result->fData.getStringRef().clear();
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result->fData.quantity1.setToDecNumber({first, firstLen}, *ec);
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result->fData.quantity2.setToDecNumber({second, secondLen}, *ec);
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formatter->fFormatter.formatImpl(result->fData, first == second, *ec);
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}
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U_CAPI UNumberRangeIdentityResult U_EXPORT2
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unumrf_resultGetIdentityResult(
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const UFormattedNumberRange* uresult,
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UErrorCode* ec) {
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auto* result = UFormattedNumberRangeApiHelper::validate(uresult, *ec);
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if (U_FAILURE(*ec)) {
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return UNUM_IDENTITY_RESULT_COUNT;
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}
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return result->fData.identityResult;
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}
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U_CAPI void U_EXPORT2
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unumrf_close(UNumberRangeFormatter* f) {
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UErrorCode localStatus = U_ZERO_ERROR;
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const UNumberRangeFormatterData* impl = UNumberRangeFormatterData::validate(f, localStatus);
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delete impl;
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}
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#endif /* #if !UCONFIG_NO_FORMATTING */
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