tmutfmt.h

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/*
 *******************************************************************************
 * Copyright (C) 2008-2012, Google, International Business Machines Corporation
 * and others. All Rights Reserved.
 *******************************************************************************
 */
 
#ifndef __TMUTFMT_H__
#define __TMUTFMT_H__
 
#include "unicode/utypes.h"

 
 
#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"

enum UTimeUnitFormatStyle {
    UTMUTFMT_FULL_STYLE,
    UTMUTFMT_ABBREVIATED_STYLE,
    UTMUTFMT_FORMAT_STYLE_COUNT
};
typedef enum UTimeUnitFormatStyle UTimeUnitFormatStyle; 
 
U_NAMESPACE_BEGIN
 
class Hashtable;
class UVector;

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 Format* clone(void) const;

    TimeUnitFormat& operator=(const TimeUnitFormat& other);
 

    virtual UBool operator==(const Format& other) const;

    UBool operator!=(const Format& other) const;

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

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

    virtual UnicodeString& format(const Formattable& obj,
                                  UnicodeString& toAppendTo,
                                  FieldPosition& pos,
                                  UErrorCode& status) const;

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

    static UClassID U_EXPORT2 getStaticClassID(void);

    virtual UClassID getDynamicClassID(void) const;
 
private:
    NumberFormat* fNumberFormat;
    Locale        fLocale;
    Hashtable*    fTimeUnitToCountToPatterns[TimeUnit::UTIMEUNIT_FIELD_COUNT];
    PluralRules*  fPluralRules;
    UTimeUnitFormatStyle fStyle;
 
    void create(const Locale& locale, 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);
};
 
 
 
inline UBool
TimeUnitFormat::operator!=(const Format& other) const  {
    return !operator==(other);
}
 
 
 
U_NAMESPACE_END
 
#endif /* #if !UCONFIG_NO_FORMATTING */
 
#endif // __TMUTFMT_H__
//eof