scuffed-code/icu4c/source/i18n/number_mapper.h
2018-04-11 23:14:06 +00:00

163 lines
5.0 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 && !UPRV_INCOMPLETE_CPP11_SUPPORT
#ifndef __NUMBER_MAPPER_H__
#define __NUMBER_MAPPER_H__
#include "number_types.h"
#include "unicode/currpinf.h"
#include "standardplural.h"
#include "number_patternstring.h"
#include "number_currencysymbols.h"
U_NAMESPACE_BEGIN namespace number {
namespace impl {
class PropertiesAffixPatternProvider : public AffixPatternProvider, public UMemory {
public:
bool isBogus() const {
return fBogus;
}
void setToBogus() {
fBogus = true;
}
void setTo(const DecimalFormatProperties& properties, UErrorCode& status);
PropertiesAffixPatternProvider() = default; // puts instance in valid but undefined state
PropertiesAffixPatternProvider(const DecimalFormatProperties& properties, UErrorCode& status) {
setTo(properties, status);
}
// AffixPatternProvider Methods:
char16_t charAt(int32_t flags, int32_t i) const U_OVERRIDE;
int32_t length(int32_t flags) const U_OVERRIDE;
UnicodeString getString(int32_t flags) const U_OVERRIDE;
bool hasCurrencySign() const U_OVERRIDE;
bool positiveHasPlusSign() const U_OVERRIDE;
bool hasNegativeSubpattern() const U_OVERRIDE;
bool negativeHasMinusSign() const U_OVERRIDE;
bool containsSymbolType(AffixPatternType, UErrorCode&) const U_OVERRIDE;
bool hasBody() const U_OVERRIDE;
private:
UnicodeString posPrefix;
UnicodeString posSuffix;
UnicodeString negPrefix;
UnicodeString negSuffix;
const UnicodeString& getStringInternal(int32_t flags) const;
bool fBogus{true};
};
class CurrencyPluralInfoAffixProvider : public AffixPatternProvider, public UMemory {
public:
bool isBogus() const {
return fBogus;
}
void setToBogus() {
fBogus = true;
}
void setTo(const CurrencyPluralInfo& cpi, const DecimalFormatProperties& properties,
UErrorCode& status);
// AffixPatternProvider Methods:
char16_t charAt(int32_t flags, int32_t i) const U_OVERRIDE;
int32_t length(int32_t flags) const U_OVERRIDE;
UnicodeString getString(int32_t flags) const U_OVERRIDE;
bool hasCurrencySign() const U_OVERRIDE;
bool positiveHasPlusSign() const U_OVERRIDE;
bool hasNegativeSubpattern() const U_OVERRIDE;
bool negativeHasMinusSign() const U_OVERRIDE;
bool containsSymbolType(AffixPatternType, UErrorCode&) const U_OVERRIDE;
bool hasBody() const U_OVERRIDE;
private:
PropertiesAffixPatternProvider affixesByPlural[StandardPlural::COUNT];
bool fBogus{true};
};
/**
* A struct for ownership of a few objects needed for formatting.
*/
struct DecimalFormatWarehouse {
PropertiesAffixPatternProvider propertiesAPP;
CurrencyPluralInfoAffixProvider currencyPluralInfoAPP;
CurrencySymbols currencySymbols;
};
/**
* Utilities for converting between a DecimalFormatProperties and a MacroProps.
*/
class NumberPropertyMapper {
public:
/** Convenience method to create a NumberFormatter directly from Properties. */
static UnlocalizedNumberFormatter create(const DecimalFormatProperties& properties,
const DecimalFormatSymbols& symbols,
DecimalFormatWarehouse& warehouse, UErrorCode& status);
/** Convenience method to create a NumberFormatter directly from Properties. */
static UnlocalizedNumberFormatter create(const DecimalFormatProperties& properties,
const DecimalFormatSymbols& symbols,
DecimalFormatWarehouse& warehouse,
DecimalFormatProperties& exportedProperties,
UErrorCode& status);
/**
* Creates a new {@link MacroProps} object based on the content of a {@link DecimalFormatProperties}
* object. In other words, maps Properties to MacroProps. This function is used by the
* JDK-compatibility API to call into the ICU 60 fluent number formatting pipeline.
*
* @param properties
* The property bag to be mapped.
* @param symbols
* The symbols associated with the property bag.
* @param exportedProperties
* A property bag in which to store validated properties. Used by some DecimalFormat
* getters.
* @return A new MacroProps containing all of the information in the Properties.
*/
static MacroProps oldToNew(const DecimalFormatProperties& properties,
const DecimalFormatSymbols& symbols, DecimalFormatWarehouse& warehouse,
DecimalFormatProperties* exportedProperties, UErrorCode& status);
};
} // namespace impl
} // namespace numparse
U_NAMESPACE_END
#endif //__NUMBER_MAPPER_H__
#endif /* #if !UCONFIG_NO_FORMATTING */