scuffed-code/icu4c/source/i18n/numrange_impl.h

90 lines
2.7 KiB
C++

// © 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
#ifndef __SOURCE_NUMRANGE_TYPES_H__
#define __SOURCE_NUMRANGE_TYPES_H__
#include "unicode/numberformatter.h"
#include "unicode/numberrangeformatter.h"
#include "unicode/simpleformatter.h"
#include "number_types.h"
#include "number_decimalquantity.h"
#include "number_formatimpl.h"
#include "number_stringbuilder.h"
U_NAMESPACE_BEGIN namespace number {
namespace impl {
/**
* Implementation class for UFormattedNumber with magic number for safety.
*
* This struct is also held internally by the C++ version FormattedNumber since the member types are not
* declared in the public header file.
*
* The DecimalQuantity is not currently being used by FormattedNumber, but at some point it could be used
* to add a toDecNumber() or similar method.
*/
struct UFormattedNumberRangeData : public UMemory {
// The magic number to identify incoming objects.
// Reads in ASCII as "FDR" (FormatteDnumberRange with room at the end)
static constexpr int32_t kMagic = 0x46445200;
// Data members:
int32_t fMagic = kMagic;
DecimalQuantity quantity1;
DecimalQuantity quantity2;
NumberStringBuilder string;
UNumberRangeIdentityResult identityResult = UNUM_IDENTITY_RESULT_COUNT;
// No C conversion methods (no C API yet)
};
struct NumberRangeData {
SimpleFormatter rangePattern;
SimpleFormatter approximatelyPattern;
};
class NumberRangeFormatterImpl : public UMemory {
public:
NumberRangeFormatterImpl(const RangeMacroProps& macros, UErrorCode& status);
void format(UFormattedNumberRangeData& data, bool equalBeforeRounding, UErrorCode& status) const;
private:
NumberFormatterImpl formatterImpl1;
NumberFormatterImpl formatterImpl2;
bool fSameFormatters;
UNumberRangeCollapse fCollapse;
UNumberRangeIdentityFallback fIdentityFallback;
SimpleFormatter fRangeFormatter;
SimpleModifier fApproximatelyModifier;
void formatSingleValue(UFormattedNumberRangeData& data,
MicroProps& micros1, MicroProps& micros2,
UErrorCode& status) const;
void formatApproximately(UFormattedNumberRangeData& data,
MicroProps& micros1, MicroProps& micros2,
UErrorCode& status) const;
void formatRange(UFormattedNumberRangeData& data,
MicroProps& micros1, MicroProps& micros2,
UErrorCode& status) const;
};
} // namespace impl
} // namespace number
U_NAMESPACE_END
#endif //__SOURCE_NUMRANGE_TYPES_H__
#endif /* #if !UCONFIG_NO_FORMATTING */