256 lines
7.4 KiB
C++
256 lines
7.4 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 "number_decnum.h"
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#include "unicode/numberformatter.h"
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#include "unicode/unumberformatter.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 UNumberFormatter. Wraps a LocalizedNumberFormatter.
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*/
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struct UNumberFormatterData : public UMemory,
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// Magic number as ASCII == "NFR" (NumberFormatteR)
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public IcuCApiHelper<UNumberFormatter, UNumberFormatterData, 0x4E465200> {
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LocalizedNumberFormatter fFormatter;
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};
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struct UFormattedNumberImpl;
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// Magic number as ASCII == "FDN" (FormatteDNumber)
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typedef IcuCApiHelper<UFormattedNumber, UFormattedNumberImpl, 0x46444E00> UFormattedNumberApiHelper;
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struct UFormattedNumberImpl : public UFormattedValueImpl, public UFormattedNumberApiHelper {
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UFormattedNumberImpl();
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~UFormattedNumberImpl();
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FormattedNumber fImpl;
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UFormattedNumberData fData;
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};
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UFormattedNumberImpl::UFormattedNumberImpl()
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: fImpl(&fData) {
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fFormattedValue = &fImpl;
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}
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UFormattedNumberImpl::~UFormattedNumberImpl() {
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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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UFormattedNumber,
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UFormattedNumberImpl,
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UFormattedNumberApiHelper,
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unumf)
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const DecimalQuantity* icu::number::impl::validateUFormattedNumberToDecimalQuantity(
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const UFormattedNumber* uresult, UErrorCode& status) {
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auto* result = UFormattedNumberApiHelper::validate(uresult, status);
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if (U_FAILURE(status)) {
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return nullptr;
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}
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return &result->fData.quantity;
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}
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U_CAPI UNumberFormatter* U_EXPORT2
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unumf_openForSkeletonAndLocale(const UChar* skeleton, int32_t skeletonLen, const char* locale,
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UErrorCode* ec) {
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auto* impl = new UNumberFormatterData();
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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 = NumberFormatter::forSkeleton(skeletonString, *ec).locale(locale);
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return impl->exportForC();
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}
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U_CAPI UNumberFormatter* U_EXPORT2
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unumf_openForSkeletonAndLocaleWithError(const UChar* skeleton, int32_t skeletonLen, const char* locale,
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UParseError* perror, UErrorCode* ec) {
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auto* impl = new UNumberFormatterData();
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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 = NumberFormatter::forSkeleton(skeletonString, *perror, *ec).locale(locale);
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return impl->exportForC();
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}
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U_CAPI void U_EXPORT2
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unumf_formatInt(const UNumberFormatter* uformatter, int64_t value, UFormattedNumber* uresult,
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UErrorCode* ec) {
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const UNumberFormatterData* formatter = UNumberFormatterData::validate(uformatter, *ec);
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auto* result = UFormattedNumberApiHelper::validate(uresult, *ec);
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if (U_FAILURE(*ec)) { return; }
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result->fData.resetString();
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result->fData.quantity.clear();
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result->fData.quantity.setToLong(value);
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formatter->fFormatter.formatImpl(&result->fData, *ec);
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}
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U_CAPI void U_EXPORT2
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unumf_formatDouble(const UNumberFormatter* uformatter, double value, UFormattedNumber* uresult,
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UErrorCode* ec) {
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const UNumberFormatterData* formatter = UNumberFormatterData::validate(uformatter, *ec);
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auto* result = UFormattedNumberApiHelper::validate(uresult, *ec);
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if (U_FAILURE(*ec)) { return; }
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result->fData.resetString();
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result->fData.quantity.clear();
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result->fData.quantity.setToDouble(value);
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formatter->fFormatter.formatImpl(&result->fData, *ec);
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}
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U_CAPI void U_EXPORT2
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unumf_formatDecimal(const UNumberFormatter* uformatter, const char* value, int32_t valueLen,
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UFormattedNumber* uresult, UErrorCode* ec) {
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const UNumberFormatterData* formatter = UNumberFormatterData::validate(uformatter, *ec);
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auto* result = UFormattedNumberApiHelper::validate(uresult, *ec);
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if (U_FAILURE(*ec)) { return; }
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result->fData.resetString();
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result->fData.quantity.clear();
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result->fData.quantity.setToDecNumber({value, valueLen}, *ec);
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if (U_FAILURE(*ec)) { return; }
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formatter->fFormatter.formatImpl(&result->fData, *ec);
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}
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U_CAPI int32_t U_EXPORT2
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unumf_resultToString(const UFormattedNumber* uresult, UChar* buffer, int32_t bufferCapacity,
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UErrorCode* ec) {
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const auto* result = UFormattedNumberApiHelper::validate(uresult, *ec);
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if (U_FAILURE(*ec)) { return 0; }
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if (buffer == nullptr ? bufferCapacity != 0 : bufferCapacity < 0) {
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*ec = U_ILLEGAL_ARGUMENT_ERROR;
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return 0;
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}
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return result->fData.toTempString(*ec).extract(buffer, bufferCapacity, *ec);
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}
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U_CAPI UBool U_EXPORT2
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unumf_resultNextFieldPosition(const UFormattedNumber* uresult, UFieldPosition* ufpos, UErrorCode* ec) {
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const auto* result = UFormattedNumberApiHelper::validate(uresult, *ec);
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if (U_FAILURE(*ec)) { return FALSE; }
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if (ufpos == nullptr) {
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*ec = U_ILLEGAL_ARGUMENT_ERROR;
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return FALSE;
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}
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FieldPosition fp;
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fp.setField(ufpos->field);
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fp.setBeginIndex(ufpos->beginIndex);
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fp.setEndIndex(ufpos->endIndex);
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bool retval = result->fData.nextFieldPosition(fp, *ec);
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ufpos->beginIndex = fp.getBeginIndex();
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ufpos->endIndex = fp.getEndIndex();
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// NOTE: MSVC sometimes complains when implicitly converting between bool and UBool
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return retval ? TRUE : FALSE;
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}
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U_CAPI void U_EXPORT2
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unumf_resultGetAllFieldPositions(const UFormattedNumber* uresult, UFieldPositionIterator* ufpositer,
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UErrorCode* ec) {
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const auto* result = UFormattedNumberApiHelper::validate(uresult, *ec);
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if (U_FAILURE(*ec)) { return; }
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if (ufpositer == nullptr) {
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*ec = U_ILLEGAL_ARGUMENT_ERROR;
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return;
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}
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auto* fpi = reinterpret_cast<FieldPositionIterator*>(ufpositer);
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FieldPositionIteratorHandler fpih(fpi, *ec);
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result->fData.getAllFieldPositions(fpih, *ec);
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}
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U_CAPI int32_t U_EXPORT2
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unumf_resultToDecimalNumber(
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const UFormattedNumber* uresult,
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char* dest,
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int32_t destCapacity,
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UErrorCode* ec) {
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const auto* result = UFormattedNumberApiHelper::validate(uresult, *ec);
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if (U_FAILURE(*ec)) {
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return 0;
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}
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DecNum decnum;
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return result->fData.quantity
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.toDecNum(decnum, *ec)
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.toCharString(*ec)
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.extract(dest, destCapacity, *ec);
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}
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U_CAPI void U_EXPORT2
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unumf_close(UNumberFormatter* f) {
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UErrorCode localStatus = U_ZERO_ERROR;
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const UNumberFormatterData* impl = UNumberFormatterData::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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