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 __SOURCE_NUMRANGE_TYPES_H__ 8 #define __SOURCE_NUMRANGE_TYPES_H__ 9 10 #include "unicode/numberformatter.h" 11 #include "unicode/numberrangeformatter.h" 12 #include "unicode/simpleformatter.h" 13 #include "number_types.h" 14 #include "number_decimalquantity.h" 15 #include "number_formatimpl.h" 16 #include "formatted_string_builder.h" 17 #include "formattedval_impl.h" 18 19 U_NAMESPACE_BEGIN namespace number { 20 namespace impl { 21 22 23 /** 24 * Class similar to UFormattedNumberData. 25 * 26 * Has incomplete magic number logic that will need to be finished 27 * if this is to be exposed as C API in the future. 28 * 29 * Possible magic number: 0x46445200 30 * Reads in ASCII as "FDR" (FormatteDnumberRange with room at the end) 31 */ 32 class UFormattedNumberRangeData : public FormattedValueStringBuilderImpl { 33 public: UFormattedNumberRangeData()34 UFormattedNumberRangeData() : FormattedValueStringBuilderImpl(0) {} 35 virtual ~UFormattedNumberRangeData(); 36 37 DecimalQuantity quantity1; 38 DecimalQuantity quantity2; 39 UNumberRangeIdentityResult identityResult = UNUM_IDENTITY_RESULT_COUNT; 40 }; 41 42 43 class StandardPluralRanges : public UMemory { 44 public: 45 void initialize(const Locale& locale, UErrorCode& status); 46 StandardPlural::Form resolve(StandardPlural::Form first, StandardPlural::Form second) const; 47 48 /** Used for data loading. */ 49 void addPluralRange( 50 StandardPlural::Form first, 51 StandardPlural::Form second, 52 StandardPlural::Form result); 53 54 /** Used for data loading. */ 55 void setCapacity(int32_t length); 56 57 private: 58 struct StandardPluralRangeTriple { 59 StandardPlural::Form first; 60 StandardPlural::Form second; 61 StandardPlural::Form result; 62 }; 63 64 // TODO: An array is simple here, but it results in linear lookup time. 65 // Certain locales have 20-30 entries in this list. 66 // Consider changing to a smarter data structure. 67 typedef MaybeStackArray<StandardPluralRangeTriple, 3> PluralRangeTriples; 68 PluralRangeTriples fTriples; 69 int32_t fTriplesLen = 0; 70 }; 71 72 73 class NumberRangeFormatterImpl : public UMemory { 74 public: 75 NumberRangeFormatterImpl(const RangeMacroProps& macros, UErrorCode& status); 76 77 void format(UFormattedNumberRangeData& data, bool equalBeforeRounding, UErrorCode& status) const; 78 79 private: 80 NumberFormatterImpl formatterImpl1; 81 NumberFormatterImpl formatterImpl2; 82 bool fSameFormatters; 83 84 UNumberRangeCollapse fCollapse; 85 UNumberRangeIdentityFallback fIdentityFallback; 86 87 SimpleFormatter fRangeFormatter; 88 SimpleModifier fApproximatelyModifier; 89 90 StandardPluralRanges fPluralRanges; 91 92 void formatSingleValue(UFormattedNumberRangeData& data, 93 MicroProps& micros1, MicroProps& micros2, 94 UErrorCode& status) const; 95 96 void formatApproximately(UFormattedNumberRangeData& data, 97 MicroProps& micros1, MicroProps& micros2, 98 UErrorCode& status) const; 99 100 void formatRange(UFormattedNumberRangeData& data, 101 MicroProps& micros1, MicroProps& micros2, 102 UErrorCode& status) const; 103 104 const Modifier& resolveModifierPlurals(const Modifier& first, const Modifier& second) const; 105 }; 106 107 108 } // namespace impl 109 } // namespace number 110 U_NAMESPACE_END 111 112 #endif //__SOURCE_NUMRANGE_TYPES_H__ 113 #endif /* #if !UCONFIG_NO_FORMATTING */ 114