1 // © 2018 and later: Unicode, Inc. and others. 2 // License & terms of use: http://www.unicode.org/copyright.html 3 4 #include "unicode/utypes.h" 5 6 #if !UCONFIG_NO_FORMATTING 7 #ifndef __NUMBER_MAPPER_H__ 8 #define __NUMBER_MAPPER_H__ 9 10 #include <atomic> 11 #include "number_types.h" 12 #include "unicode/currpinf.h" 13 #include "standardplural.h" 14 #include "number_patternstring.h" 15 #include "number_currencysymbols.h" 16 #include "numparse_impl.h" 17 18 U_NAMESPACE_BEGIN 19 namespace number { 20 namespace impl { 21 22 23 class PropertiesAffixPatternProvider : public AffixPatternProvider, public UMemory { 24 public: isBogus()25 bool isBogus() const { 26 return fBogus; 27 } 28 setToBogus()29 void setToBogus() { 30 fBogus = true; 31 } 32 33 void setTo(const DecimalFormatProperties& properties, UErrorCode& status); 34 35 PropertiesAffixPatternProvider() = default; // puts instance in valid but undefined state 36 PropertiesAffixPatternProvider(const DecimalFormatProperties & properties,UErrorCode & status)37 PropertiesAffixPatternProvider(const DecimalFormatProperties& properties, UErrorCode& status) { 38 setTo(properties, status); 39 } 40 41 // AffixPatternProvider Methods: 42 43 char16_t charAt(int32_t flags, int32_t i) const U_OVERRIDE; 44 45 int32_t length(int32_t flags) const U_OVERRIDE; 46 47 UnicodeString getString(int32_t flags) const U_OVERRIDE; 48 49 bool hasCurrencySign() const U_OVERRIDE; 50 51 bool positiveHasPlusSign() const U_OVERRIDE; 52 53 bool hasNegativeSubpattern() const U_OVERRIDE; 54 55 bool negativeHasMinusSign() const U_OVERRIDE; 56 57 bool containsSymbolType(AffixPatternType, UErrorCode&) const U_OVERRIDE; 58 59 bool hasBody() const U_OVERRIDE; 60 61 private: 62 UnicodeString posPrefix; 63 UnicodeString posSuffix; 64 UnicodeString negPrefix; 65 UnicodeString negSuffix; 66 67 const UnicodeString& getStringInternal(int32_t flags) const; 68 69 bool fBogus{true}; 70 }; 71 72 73 class CurrencyPluralInfoAffixProvider : public AffixPatternProvider, public UMemory { 74 public: isBogus()75 bool isBogus() const { 76 return fBogus; 77 } 78 setToBogus()79 void setToBogus() { 80 fBogus = true; 81 } 82 83 void setTo(const CurrencyPluralInfo& cpi, const DecimalFormatProperties& properties, 84 UErrorCode& status); 85 86 // AffixPatternProvider Methods: 87 88 char16_t charAt(int32_t flags, int32_t i) const U_OVERRIDE; 89 90 int32_t length(int32_t flags) const U_OVERRIDE; 91 92 UnicodeString getString(int32_t flags) const U_OVERRIDE; 93 94 bool hasCurrencySign() const U_OVERRIDE; 95 96 bool positiveHasPlusSign() const U_OVERRIDE; 97 98 bool hasNegativeSubpattern() const U_OVERRIDE; 99 100 bool negativeHasMinusSign() const U_OVERRIDE; 101 102 bool containsSymbolType(AffixPatternType, UErrorCode&) const U_OVERRIDE; 103 104 bool hasBody() const U_OVERRIDE; 105 106 private: 107 PropertiesAffixPatternProvider affixesByPlural[StandardPlural::COUNT]; 108 109 bool fBogus{true}; 110 }; 111 112 113 /** 114 * A struct for ownership of a few objects needed for formatting. 115 */ 116 struct DecimalFormatWarehouse { 117 PropertiesAffixPatternProvider propertiesAPP; 118 CurrencyPluralInfoAffixProvider currencyPluralInfoAPP; 119 CurrencySymbols currencySymbols; 120 }; 121 122 123 /** 124 * Internal fields for DecimalFormat. 125 * TODO: Make some of these fields by value instead of by LocalPointer? 126 */ 127 struct DecimalFormatFields : public UMemory { 128 /** The property bag corresponding to user-specified settings and settings from the pattern string. */ 129 LocalPointer<DecimalFormatProperties> properties; 130 131 /** The symbols for the current locale. */ 132 LocalPointer<const DecimalFormatSymbols> symbols; 133 134 /** 135 * The pre-computed formatter object. Setters cause this to be re-computed atomically. The {@link 136 * #format} method uses the formatter directly without needing to synchronize. 137 */ 138 LocalPointer<const LocalizedNumberFormatter> formatter; 139 140 /** The lazy-computed parser for .parse() */ 141 std::atomic<::icu::numparse::impl::NumberParserImpl*> atomicParser = {}; 142 143 /** The lazy-computed parser for .parseCurrency() */ 144 std::atomic<::icu::numparse::impl::NumberParserImpl*> atomicCurrencyParser = {}; 145 146 /** Small object ownership warehouse for the formatter and parser */ 147 DecimalFormatWarehouse warehouse; 148 149 /** The effective properties as exported from the formatter object. Used by some getters. */ 150 LocalPointer<DecimalFormatProperties> exportedProperties; 151 152 // Data for fastpath 153 bool canUseFastFormat = false; 154 struct FastFormatData { 155 char16_t cpZero; 156 char16_t cpGroupingSeparator; 157 char16_t cpMinusSign; 158 int8_t minInt; 159 int8_t maxInt; 160 } fastData; 161 }; 162 163 164 /** 165 * Utilities for converting between a DecimalFormatProperties and a MacroProps. 166 */ 167 class NumberPropertyMapper { 168 public: 169 /** Convenience method to create a NumberFormatter directly from Properties. */ 170 static UnlocalizedNumberFormatter create(const DecimalFormatProperties& properties, 171 const DecimalFormatSymbols& symbols, 172 DecimalFormatWarehouse& warehouse, UErrorCode& status); 173 174 /** Convenience method to create a NumberFormatter directly from Properties. */ 175 static UnlocalizedNumberFormatter create(const DecimalFormatProperties& properties, 176 const DecimalFormatSymbols& symbols, 177 DecimalFormatWarehouse& warehouse, 178 DecimalFormatProperties& exportedProperties, 179 UErrorCode& status); 180 181 /** 182 * Creates a new {@link MacroProps} object based on the content of a {@link DecimalFormatProperties} 183 * object. In other words, maps Properties to MacroProps. This function is used by the 184 * JDK-compatibility API to call into the ICU 60 fluent number formatting pipeline. 185 * 186 * @param properties 187 * The property bag to be mapped. 188 * @param symbols 189 * The symbols associated with the property bag. 190 * @param exportedProperties 191 * A property bag in which to store validated properties. Used by some DecimalFormat 192 * getters. 193 * @return A new MacroProps containing all of the information in the Properties. 194 */ 195 static MacroProps oldToNew(const DecimalFormatProperties& properties, 196 const DecimalFormatSymbols& symbols, DecimalFormatWarehouse& warehouse, 197 DecimalFormatProperties* exportedProperties, UErrorCode& status); 198 }; 199 200 201 } // namespace impl 202 } // namespace numparse 203 U_NAMESPACE_END 204 205 #endif //__NUMBER_MAPPER_H__ 206 #endif /* #if !UCONFIG_NO_FORMATTING */ 207