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numrange_impl.h (2805B)

      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 #include "pluralranges.h"
     19 
     20 U_NAMESPACE_BEGIN
     21 namespace number::impl {
     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:
     34    UFormattedNumberRangeData() : FormattedValueStringBuilderImpl(kUndefinedField) {}
     35    virtual ~UFormattedNumberRangeData();
     36 
     37    DecimalQuantity quantity1;
     38    DecimalQuantity quantity2;
     39    UNumberRangeIdentityResult identityResult = UNUM_IDENTITY_RESULT_COUNT;
     40 };
     41 
     42 
     43 class NumberRangeFormatterImpl : public UMemory {
     44  public:
     45    NumberRangeFormatterImpl(const RangeMacroProps& macros, UErrorCode& status);
     46 
     47    void format(UFormattedNumberRangeData& data, bool equalBeforeRounding, UErrorCode& status) const;
     48 
     49  private:
     50    NumberFormatterImpl formatterImpl1;
     51    NumberFormatterImpl formatterImpl2;
     52    bool fSameFormatters;
     53 
     54    UNumberRangeCollapse fCollapse;
     55    UNumberRangeIdentityFallback fIdentityFallback;
     56 
     57    SimpleFormatter fRangeFormatter;
     58    NumberFormatterImpl fApproximatelyFormatter;
     59 
     60    StandardPluralRanges fPluralRanges;
     61 
     62    void formatSingleValue(UFormattedNumberRangeData& data,
     63                           MicroProps& micros1, MicroProps& micros2,
     64                           UErrorCode& status) const;
     65 
     66    void formatApproximately(UFormattedNumberRangeData& data,
     67                             DecimalQuantity quantity,
     68                             MicroProps& micros1, MicroProps& micros2,
     69                             UErrorCode& status) const;
     70 
     71    void formatRange(UFormattedNumberRangeData& data,
     72                     MicroProps& micros1, MicroProps& micros2,
     73                     UErrorCode& status) const;
     74 
     75    const Modifier& resolveModifierPlurals(const Modifier& first, const Modifier& second) const;
     76 };
     77 
     78 
     79 /** Helper function used in upluralrules.cpp */
     80 const UFormattedNumberRangeData* validateUFormattedNumberRange(
     81    const UFormattedNumberRange* uresult, UErrorCode& status);
     82 
     83 } // namespace number::impl
     84 U_NAMESPACE_END
     85 
     86 #endif //__SOURCE_NUMRANGE_TYPES_H__
     87 #endif /* #if !UCONFIG_NO_FORMATTING */