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Mini Shell
Mini Shell
// © 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 __NUMBER_MAPPER_H__
#define __NUMBER_MAPPER_H__
#include <atomic>
#include "number_types.h"
#include "unicode/currpinf.h"
#include "standardplural.h"
#include "number_patternstring.h"
#include "number_currencysymbols.h"
#include "numparse_impl.h"
U_NAMESPACE_BEGIN
namespace number {
namespace impl {
class AutoAffixPatternProvider;
class CurrencyPluralInfoAffixProvider;
class PropertiesAffixPatternProvider : public AffixPatternProvider, public UMemory {
public:
bool isBogus() const {
return fBogus;
}
void setToBogus() {
fBogus = true;
}
void setTo(const DecimalFormatProperties& properties, UErrorCode& status);
// AffixPatternProvider Methods:
char16_t charAt(int32_t flags, int32_t i) const override;
int32_t length(int32_t flags) const override;
UnicodeString getString(int32_t flags) const override;
bool hasCurrencySign() const override;
bool positiveHasPlusSign() const override;
bool hasNegativeSubpattern() const override;
bool negativeHasMinusSign() const override;
bool containsSymbolType(AffixPatternType, UErrorCode&) const override;
bool hasBody() const override;
bool currencyAsDecimal() const override;
private:
UnicodeString posPrefix;
UnicodeString posSuffix;
UnicodeString negPrefix;
UnicodeString negSuffix;
bool isCurrencyPattern;
bool fCurrencyAsDecimal;
PropertiesAffixPatternProvider() = default; // puts instance in valid but undefined state
const UnicodeString& getStringInternal(int32_t flags) const;
bool fBogus{true};
friend class AutoAffixPatternProvider;
friend class CurrencyPluralInfoAffixProvider;
};
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 override;
int32_t length(int32_t flags) const override;
UnicodeString getString(int32_t flags) const override;
bool hasCurrencySign() const override;
bool positiveHasPlusSign() const override;
bool hasNegativeSubpattern() const override;
bool negativeHasMinusSign() const override;
bool containsSymbolType(AffixPatternType, UErrorCode&) const override;
bool hasBody() const override;
bool currencyAsDecimal() const override;
private:
PropertiesAffixPatternProvider affixesByPlural[StandardPlural::COUNT];
CurrencyPluralInfoAffixProvider() = default;
bool fBogus{true};
friend class AutoAffixPatternProvider;
};
class AutoAffixPatternProvider {
public:
inline AutoAffixPatternProvider() = default;
inline AutoAffixPatternProvider(const DecimalFormatProperties& properties, UErrorCode& status) {
setTo(properties, status);
}
inline void setTo(const DecimalFormatProperties& properties, UErrorCode& status) {
if (properties.currencyPluralInfo.fPtr.isNull()) {
propertiesAPP.setTo(properties, status);
currencyPluralInfoAPP.setToBogus();
} else {
propertiesAPP.setToBogus();
currencyPluralInfoAPP.setTo(*properties.currencyPluralInfo.fPtr, properties, status);
}
}
inline void setTo(const AffixPatternProvider* provider, UErrorCode& status) {
if (auto ptr = dynamic_cast<const PropertiesAffixPatternProvider*>(provider)) {
propertiesAPP = *ptr;
} else if (auto ptr = dynamic_cast<const CurrencyPluralInfoAffixProvider*>(provider)) {
currencyPluralInfoAPP = *ptr;
} else {
status = U_INTERNAL_PROGRAM_ERROR;
}
}
inline const AffixPatternProvider& get() const {
if (!currencyPluralInfoAPP.isBogus()) {
return currencyPluralInfoAPP;
} else {
return propertiesAPP;
}
}
private:
PropertiesAffixPatternProvider propertiesAPP;
CurrencyPluralInfoAffixProvider currencyPluralInfoAPP;
};
/**
* A struct for ownership of a few objects needed for formatting.
*/
struct DecimalFormatWarehouse : public UMemory {
AutoAffixPatternProvider affixProvider;
LocalPointer<PluralRules> rules;
};
/**
* Internal fields for DecimalFormat.
* TODO: Make some of these fields by value instead of by LocalPointer?
*/
struct DecimalFormatFields : public UMemory {
DecimalFormatFields() {}
DecimalFormatFields(const DecimalFormatProperties& propsToCopy)
: properties(propsToCopy) {}
/** The property bag corresponding to user-specified settings and settings from the pattern string. */
DecimalFormatProperties properties;
/** The symbols for the current locale. */
LocalPointer<const DecimalFormatSymbols> symbols;
/**
* The pre-computed formatter object. Setters cause this to be re-computed atomically. The {@link
* #format} method uses the formatter directly without needing to synchronize.
*/
LocalizedNumberFormatter formatter;
/** The lazy-computed parser for .parse() */
std::atomic<::icu::numparse::impl::NumberParserImpl*> atomicParser = {};
/** The lazy-computed parser for .parseCurrency() */
std::atomic<::icu::numparse::impl::NumberParserImpl*> atomicCurrencyParser = {};
/** Small object ownership warehouse for the formatter and parser */
DecimalFormatWarehouse warehouse;
/** The effective properties as exported from the formatter object. Used by some getters. */
DecimalFormatProperties exportedProperties;
// Data for fastpath
bool canUseFastFormat = false;
struct FastFormatData {
char16_t cpZero;
char16_t cpGroupingSeparator;
char16_t cpMinusSign;
int8_t minInt;
int8_t maxInt;
} fastData;
};
/**
* 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 */
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