diff options
Diffstat (limited to 'deps/icu-small/source/i18n/number_capi.cpp')
| -rw-r--r-- | deps/icu-small/source/i18n/number_capi.cpp | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/deps/icu-small/source/i18n/number_capi.cpp b/deps/icu-small/source/i18n/number_capi.cpp new file mode 100644 index 0000000000..37ad8bd76f --- /dev/null +++ b/deps/icu-small/source/i18n/number_capi.cpp @@ -0,0 +1,213 @@ +// © 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 "fphdlimp.h" +#include "number_utypes.h" +#include "numparse_types.h" +#include "unicode/numberformatter.h" +#include "unicode/unumberformatter.h" + +using namespace icu; +using namespace icu::number; +using namespace icu::number::impl; + + +////////////////////////////////// +/// C API CONVERSION FUNCTIONS /// +////////////////////////////////// + +UNumberFormatterData* UNumberFormatterData::validate(UNumberFormatter* input, UErrorCode& status) { + auto* constInput = static_cast<const UNumberFormatter*>(input); + auto* validated = validate(constInput, status); + return const_cast<UNumberFormatterData*>(validated); +} + +const UNumberFormatterData* +UNumberFormatterData::validate(const UNumberFormatter* input, UErrorCode& status) { + if (U_FAILURE(status)) { + return nullptr; + } + if (input == nullptr) { + status = U_ILLEGAL_ARGUMENT_ERROR; + return nullptr; + } + auto* impl = reinterpret_cast<const UNumberFormatterData*>(input); + if (impl->fMagic != UNumberFormatterData::kMagic) { + status = U_INVALID_FORMAT_ERROR; + return nullptr; + } + return impl; +} + +UNumberFormatter* UNumberFormatterData::exportForC() { + return reinterpret_cast<UNumberFormatter*>(this); +} + +UFormattedNumberData* UFormattedNumberData::validate(UFormattedNumber* input, UErrorCode& status) { + auto* constInput = static_cast<const UFormattedNumber*>(input); + auto* validated = validate(constInput, status); + return const_cast<UFormattedNumberData*>(validated); +} + +const UFormattedNumberData* +UFormattedNumberData::validate(const UFormattedNumber* input, UErrorCode& status) { + if (U_FAILURE(status)) { + return nullptr; + } + if (input == nullptr) { + status = U_ILLEGAL_ARGUMENT_ERROR; + return nullptr; + } + auto* impl = reinterpret_cast<const UFormattedNumberData*>(input); + if (impl->fMagic != UFormattedNumberData::kMagic) { + status = U_INVALID_FORMAT_ERROR; + return nullptr; + } + return impl; +} + +UFormattedNumber* UFormattedNumberData::exportForC() { + return reinterpret_cast<UFormattedNumber*>(this); +} + +///////////////////////////////////// +/// END CAPI CONVERSION FUNCTIONS /// +///////////////////////////////////// + + +U_CAPI UNumberFormatter* U_EXPORT2 +unumf_openForSkeletonAndLocale(const UChar* skeleton, int32_t skeletonLen, const char* locale, + UErrorCode* ec) { + auto* impl = new UNumberFormatterData(); + if (impl == nullptr) { + *ec = U_MEMORY_ALLOCATION_ERROR; + return nullptr; + } + // Readonly-alias constructor (first argument is whether we are NUL-terminated) + UnicodeString skeletonString(skeletonLen == -1, skeleton, skeletonLen); + impl->fFormatter = NumberFormatter::forSkeleton(skeletonString, *ec).locale(locale); + return impl->exportForC(); +} + +U_CAPI UFormattedNumber* U_EXPORT2 +unumf_openResult(UErrorCode* ec) { + auto* impl = new UFormattedNumberData(); + if (impl == nullptr) { + *ec = U_MEMORY_ALLOCATION_ERROR; + return nullptr; + } + return impl->exportForC(); +} + +U_CAPI void U_EXPORT2 +unumf_formatInt(const UNumberFormatter* uformatter, int64_t value, UFormattedNumber* uresult, + UErrorCode* ec) { + const UNumberFormatterData* formatter = UNumberFormatterData::validate(uformatter, *ec); + UFormattedNumberData* result = UFormattedNumberData::validate(uresult, *ec); + if (U_FAILURE(*ec)) { return; } + + result->string.clear(); + result->quantity.setToLong(value); + formatter->fFormatter.formatImpl(result, *ec); +} + +U_CAPI void U_EXPORT2 +unumf_formatDouble(const UNumberFormatter* uformatter, double value, UFormattedNumber* uresult, + UErrorCode* ec) { + const UNumberFormatterData* formatter = UNumberFormatterData::validate(uformatter, *ec); + UFormattedNumberData* result = UFormattedNumberData::validate(uresult, *ec); + if (U_FAILURE(*ec)) { return; } + + result->string.clear(); + result->quantity.setToDouble(value); + formatter->fFormatter.formatImpl(result, *ec); +} + +U_CAPI void U_EXPORT2 +unumf_formatDecimal(const UNumberFormatter* uformatter, const char* value, int32_t valueLen, + UFormattedNumber* uresult, UErrorCode* ec) { + const UNumberFormatterData* formatter = UNumberFormatterData::validate(uformatter, *ec); + UFormattedNumberData* result = UFormattedNumberData::validate(uresult, *ec); + if (U_FAILURE(*ec)) { return; } + + result->string.clear(); + result->quantity.setToDecNumber({value, valueLen}, *ec); + if (U_FAILURE(*ec)) { return; } + formatter->fFormatter.formatImpl(result, *ec); +} + +U_CAPI int32_t U_EXPORT2 +unumf_resultToString(const UFormattedNumber* uresult, UChar* buffer, int32_t bufferCapacity, + UErrorCode* ec) { + const UFormattedNumberData* result = UFormattedNumberData::validate(uresult, *ec); + if (U_FAILURE(*ec)) { return 0; } + + if (buffer == nullptr ? bufferCapacity != 0 : bufferCapacity < 0) { + *ec = U_ILLEGAL_ARGUMENT_ERROR; + return 0; + } + + return result->string.toTempUnicodeString().extract(buffer, bufferCapacity, *ec); +} + +U_CAPI UBool U_EXPORT2 +unumf_resultNextFieldPosition(const UFormattedNumber* uresult, UFieldPosition* ufpos, UErrorCode* ec) { + const UFormattedNumberData* result = UFormattedNumberData::validate(uresult, *ec); + if (U_FAILURE(*ec)) { return FALSE; } + + if (ufpos == nullptr) { + *ec = U_ILLEGAL_ARGUMENT_ERROR; + return FALSE; + } + + FieldPosition fp; + fp.setField(ufpos->field); + fp.setBeginIndex(ufpos->beginIndex); + fp.setEndIndex(ufpos->endIndex); + bool retval = result->string.nextFieldPosition(fp, *ec); + ufpos->beginIndex = fp.getBeginIndex(); + ufpos->endIndex = fp.getEndIndex(); + // NOTE: MSVC sometimes complains when implicitly converting between bool and UBool + return retval ? TRUE : FALSE; +} + +U_CAPI void U_EXPORT2 +unumf_resultGetAllFieldPositions(const UFormattedNumber* uresult, UFieldPositionIterator* ufpositer, + UErrorCode* ec) { + const UFormattedNumberData* result = UFormattedNumberData::validate(uresult, *ec); + if (U_FAILURE(*ec)) { return; } + + if (ufpositer == nullptr) { + *ec = U_ILLEGAL_ARGUMENT_ERROR; + return; + } + + auto* fpi = reinterpret_cast<FieldPositionIterator*>(ufpositer); + FieldPositionIteratorHandler fpih(fpi, *ec); + result->string.getAllFieldPositions(fpih, *ec); +} + +U_CAPI void U_EXPORT2 +unumf_closeResult(UFormattedNumber* uresult) { + UErrorCode localStatus = U_ZERO_ERROR; + const UFormattedNumberData* impl = UFormattedNumberData::validate(uresult, localStatus); + delete impl; +} + +U_CAPI void U_EXPORT2 +unumf_close(UNumberFormatter* f) { + UErrorCode localStatus = U_ZERO_ERROR; + const UNumberFormatterData* impl = UNumberFormatterData::validate(f, localStatus); + delete impl; +} + + +#endif /* #if !UCONFIG_NO_FORMATTING */ |