tmutfmt.h

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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
 *******************************************************************************
 * Copyright (C) 2008-2014, Google, International Business Machines Corporation
 * and others. All Rights Reserved.
 *******************************************************************************
 */

#ifndef __TMUTFMT_H__
#define __TMUTFMT_H__

#include "unicode/utypes.h"

#if U_SHOW_CPLUSPLUS_API

#if !UCONFIG_NO_FORMATTING

#include "unicode/unistr.h"
#include "unicode/tmunit.h"
#include "unicode/tmutamt.h"
#include "unicode/measfmt.h"
#include "unicode/numfmt.h"
#include "unicode/plurrule.h"

#ifndef U_HIDE_DEPRECATED_API

enum UTimeUnitFormatStyle {
    UTMUTFMT_FULL_STYLE,
    UTMUTFMT_ABBREVIATED_STYLE,
    UTMUTFMT_FORMAT_STYLE_COUNT
};
typedef enum UTimeUnitFormatStyle UTimeUnitFormatStyle; 
U_NAMESPACE_BEGIN

class Hashtable;
class UVector;

struct TimeUnitFormatReadSink;

class U_I18N_API TimeUnitFormat: public MeasureFormat {
public:

    TimeUnitFormat(UErrorCode& status);

    TimeUnitFormat(const Locale& locale, UErrorCode& status);

    TimeUnitFormat(const Locale& locale, UTimeUnitFormatStyle style, UErrorCode& status);

    TimeUnitFormat(const TimeUnitFormat&);

    virtual ~TimeUnitFormat();

    virtual TimeUnitFormat* clone() const override;

    TimeUnitFormat& operator=(const TimeUnitFormat& other);

    void setLocale(const Locale& locale, UErrorCode& status);


    void setNumberFormat(const NumberFormat& format, UErrorCode& status);

    virtual void parseObject(const UnicodeString& source,
                             Formattable& result,
                             ParsePosition& pos) const override;

    static UClassID U_EXPORT2 getStaticClassID(void);

    virtual UClassID getDynamicClassID(void) const override;

private:
    Hashtable*    fTimeUnitToCountToPatterns[TimeUnit::UTIMEUNIT_FIELD_COUNT];
    UTimeUnitFormatStyle fStyle;

    void create(UTimeUnitFormatStyle style, UErrorCode& status);

    // it might actually be simpler to make them Decimal Formats later.
    // initialize all private data members
    void setup(UErrorCode& status);

    // initialize data member without fill in data for fTimeUnitToCountToPattern
    void initDataMembers(UErrorCode& status);

    // initialize fTimeUnitToCountToPatterns from current locale's resource.
    void readFromCurrentLocale(UTimeUnitFormatStyle style, const char* key, const UVector& pluralCounts,
                               UErrorCode& status);

    // check completeness of fTimeUnitToCountToPatterns against all time units,
    // and all plural rules, fill in fallback as necessary.
    void checkConsistency(UTimeUnitFormatStyle style, const char* key, UErrorCode& status);

    // fill in fTimeUnitToCountToPatterns from locale fall-back chain
    void searchInLocaleChain(UTimeUnitFormatStyle style, const char* key, const char* localeName,
                             TimeUnit::UTimeUnitFields field, const UnicodeString&,
                             const char*, Hashtable*, UErrorCode&);

    // initialize hash table
    Hashtable* initHash(UErrorCode& status);

    // delete hash table
    void deleteHash(Hashtable* htable);

    // copy hash table
    void copyHash(const Hashtable* source, Hashtable* target, UErrorCode& status);
    // get time unit name, such as "year", from time unit field enum, such as
    // UTIMEUNIT_YEAR.
    static const char* getTimeUnitName(TimeUnit::UTimeUnitFields field, UErrorCode& status);

    friend struct TimeUnitFormatReadSink;
};

U_NAMESPACE_END

#endif /* U_HIDE_DEPRECATED_API */
#endif /* #if !UCONFIG_NO_FORMATTING */

#endif /* U_SHOW_CPLUSPLUS_API */

#endif // __TMUTFMT_H__
//eof

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