golden hour

/opt/alt/libicu/usr/include/unicode

File/Folder	Size	Actions
alphaindex.h	26.42 KB
appendable.h	8.43 KB
basictz.h	8.84 KB
brkiter.h	27.53 KB
bytestream.h	9.54 KB
bytestrie.h	19.26 KB
bytestriebuilder.h	7.02 KB
calendar.h	105.06 KB
caniter.h	7.37 KB
casemap.h	25.26 KB
char16ptr.h	7.16 KB
chariter.h	24 KB
choicfmt.h	23.85 KB
coleitr.h	13.7 KB
coll.h	55.59 KB
compactdecimalformat.h	6.81 KB
curramt.h	3.69 KB
currpinf.h	7.24 KB
currunit.h	3.52 KB
datefmt.h	40.37 KB
dbbi.h	1.11 KB
dcfmtsym.h	20.1 KB
decimfmt.h	86.4 KB
docmain.h	6.72 KB
dtfmtsym.h	37.64 KB
dtintrv.h	3.76 KB
dtitvfmt.h	42.87 KB
dtitvinf.h	18.46 KB
dtptngen.h	25.03 KB
dtrule.h	8.62 KB
edits.h	20.67 KB
enumset.h	2.08 KB
errorcode.h	4.78 KB
fieldpos.h	8.63 KB
filteredbrk.h	5.24 KB
fmtable.h	24.36 KB
format.h	12.44 KB
fpositer.h	2.98 KB
gender.h	3.27 KB
gregocal.h	31.57 KB
icudataver.h	1.03 KB
icuplug.h	11.88 KB
idna.h	12.63 KB
listformatter.h	6.18 KB
localpointer.h	16.88 KB
locdspnm.h	7.05 KB
locid.h	44.92 KB
measfmt.h	12.01 KB
measunit.h	38.5 KB
measure.h	4.26 KB
messagepattern.h	33.65 KB
msgfmt.h	43.36 KB
normalizer2.h	33.97 KB
normlzr.h	30.74 KB
nounit.h	2.63 KB
numberformatter.h	87.07 KB
numberrangeformatter.h	28.74 KB
numfmt.h	49.14 KB
numsys.h	6.73 KB
parseerr.h	3.08 KB
parsepos.h	5.45 KB
platform.h	27.1 KB
plurfmt.h	25.18 KB
plurrule.h	17.42 KB
ptypes.h	3.49 KB
putil.h	6.33 KB
rbbi.h	26.41 KB
rbnf.h	49.79 KB
rbtz.h	15.47 KB
regex.h	84.91 KB
region.h	9.12 KB
reldatefmt.h	14.46 KB
rep.h	9.5 KB
resbund.h	18.01 KB
schriter.h	6.26 KB
scientificnumberformatter.h	6.32 KB
search.h	22.21 KB
selfmt.h	14.24 KB
simpleformatter.h	11.43 KB
simpletz.h	45.3 KB
smpdtfmt.h	70.74 KB
sortkey.h	11.12 KB
std_string.h	1015 B
strenum.h	10.04 KB
stringoptions.h	5.79 KB
stringpiece.h	6.46 KB
stringtriebuilder.h	15.27 KB
stsearch.h	21.29 KB
symtable.h	4.21 KB
tblcoll.h	36.4 KB
timezone.h	40.88 KB
tmunit.h	3.29 KB
tmutamt.h	4.8 KB
tmutfmt.h	7.79 KB
translit.h	65.76 KB
tzfmt.h	42.82 KB
tznames.h	16.79 KB
tzrule.h	35.32 KB
tztrans.h	6.07 KB
ubidi.h	89.56 KB
ubiditransform.h	12.65 KB
ubrk.h	23.97 KB
ucal.h	55.2 KB
ucasemap.h	15.18 KB
ucat.h	5.36 KB
uchar.h	139.96 KB
ucharstrie.h	21.06 KB
ucharstriebuilder.h	7.14 KB
uchriter.h	13.14 KB
uclean.h	11.21 KB
ucnv.h	83.09 KB
ucnv_cb.h	6.59 KB
ucnv_err.h	20.99 KB
ucnvsel.h	6.14 KB
ucol.h	61.39 KB
ucoleitr.h	9.46 KB
uconfig.h	11.67 KB
ucpmap.h	5.58 KB
ucptrie.h	22.29 KB
ucsdet.h	14.67 KB
ucurr.h	15.57 KB
udat.h	60.13 KB
udata.h	15.53 KB
udateintervalformat.h	6.79 KB
udatpg.h	26.04 KB
udisplaycontext.h	5.89 KB
uenum.h	7.78 KB
ufieldpositer.h	4.36 KB
uformattable.h	10.94 KB
ugender.h	2 KB
uidna.h	33.37 KB
uiter.h	22.77 KB
uldnames.h	10.45 KB
ulistformatter.h	5.03 KB
uloc.h	50.75 KB
ulocdata.h	11.26 KB
umachine.h	13.19 KB
umisc.h	1.33 KB
umsg.h	24.23 KB
umutablecptrie.h	8.28 KB
unifilt.h	3.63 KB
unifunct.h	3.98 KB
unimatch.h	6.04 KB
unirepl.h	3.32 KB
uniset.h	64.25 KB
unistr.h	174.4 KB
unorm.h	20.45 KB
unorm2.h	24.66 KB
unum.h	53.38 KB
unumberformatter.h	23.76 KB
unumsys.h	7.14 KB
uobject.h	10.7 KB
upluralrules.h	6.72 KB
uregex.h	72.05 KB
uregion.h	9.84 KB
ureldatefmt.h	12.22 KB
urename.h	127.73 KB
urep.h	5.38 KB
ures.h	36.53 KB
uscript.h	26.52 KB
usearch.h	38.12 KB
uset.h	40 KB
usetiter.h	9.49 KB
ushape.h	18 KB
uspoof.h	66.03 KB
usprep.h	8.14 KB
ustdio.h	38.54 KB
ustream.h	1.8 KB
ustring.h	72.47 KB
ustringtrie.h	3.15 KB
utext.h	58.11 KB
utf.h	7.86 KB
utf16.h	22.33 KB
utf32.h	763 B
utf8.h	30.01 KB
utf_old.h	43.78 KB
utmscale.h	13.78 KB
utrace.h	13.89 KB
utrans.h	25.54 KB
utypes.h	30.48 KB
uvernum.h	6.06 KB
uversion.h	6.7 KB
vtzone.h	20.17 KB

Edit: tmutfmt.h

// © 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"

/**
 * \file
 * \brief C++ API: Format and parse duration in single time unit
 */

#if !UCONFIG_NO_FORMATTING
#ifndef U_HIDE_DEPRECATED_API

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

/**
 * Constants for various styles.
 * There are 2 styles: full name and abbreviated name.
 * For example, for English, the full name for hour duration is "3 hours",
 * and the abbreviated name is "3 hrs".
 * @deprecated ICU 53 Use MeasureFormat and UMeasureFormatWidth instead.
 */
enum UTimeUnitFormatStyle {
    /** @deprecated ICU 53 */
    UTMUTFMT_FULL_STYLE,
    /** @deprecated ICU 53 */
    UTMUTFMT_ABBREVIATED_STYLE,
    /** @deprecated ICU 53 */
    UTMUTFMT_FORMAT_STYLE_COUNT
};
typedef enum UTimeUnitFormatStyle UTimeUnitFormatStyle; /**< @deprecated ICU 53 */

U_NAMESPACE_BEGIN

class Hashtable;
class UVector;

struct TimeUnitFormatReadSink;

/**
 * Format or parse a TimeUnitAmount, using plural rules for the units where available.
 *
 * <P>
 * Code Sample:
 * <pre>
 *   // create time unit amount instance - a combination of Number and time unit
 *   UErrorCode status = U_ZERO_ERROR;
 *   TimeUnitAmount* source = new TimeUnitAmount(2, TimeUnit::UTIMEUNIT_YEAR, status);
 *   // create time unit format instance
 *   TimeUnitFormat* format = new TimeUnitFormat(Locale("en"), status);
 *   // format a time unit amount
 *   UnicodeString formatted;
 *   Formattable formattable;
 *   if (U_SUCCESS(status)) {
 *       formattable.adoptObject(source);
 *       formatted = ((Format*)format)->format(formattable, formatted, status);
 *       Formattable result;
 *       ((Format*)format)->parseObject(formatted, result, status);
 *       if (U_SUCCESS(status)) {
 *           assert (result == formattable);
 *       }
 *   }
 * </pre>
 *
 * <P>
 * @see TimeUnitAmount
 * @see TimeUnitFormat
 * @deprecated ICU 53 Use the MeasureFormat class instead.
 */
class U_I18N_API TimeUnitFormat: public MeasureFormat {
public:

/**
     * Create TimeUnitFormat with default locale, and full name style.
     * Use setLocale and/or setFormat to modify.
     * @deprecated ICU 53
     */
    TimeUnitFormat(UErrorCode& status);

/**
     * Create TimeUnitFormat given locale, and full name style.
     * @deprecated ICU 53
     */
    TimeUnitFormat(const Locale& locale, UErrorCode& status);

/**
     * Create TimeUnitFormat given locale and style.
     * @deprecated ICU 53
     */
    TimeUnitFormat(const Locale& locale, UTimeUnitFormatStyle style, UErrorCode& status);

/**
     * Copy constructor.
     * @deprecated ICU 53
     */
    TimeUnitFormat(const TimeUnitFormat&);

/**
     * deconstructor
     * @deprecated ICU 53
     */
    virtual ~TimeUnitFormat();

/**
     * Clone this Format object polymorphically. The caller owns the result and
     * should delete it when done.
     * @return    A copy of the object.
     * @deprecated ICU 53
     */
    virtual Format* clone(void) const;

/**
     * Assignment operator
     * @deprecated ICU 53
     */
    TimeUnitFormat& operator=(const TimeUnitFormat& other);

/**
     * Return true if the given Format objects are not semantically equal.
     * Objects of different subclasses are considered unequal.
     * @param other the object to be compared with.
     * @return      true if the given Format objects are not semantically equal.
     * @deprecated ICU 53
     */
    UBool operator!=(const Format& other) const;

/**
     * Set the locale used for formatting or parsing.
     * @param locale  the locale to be set
     * @param status  output param set to success/failure code on exit
     * @deprecated ICU 53
     */
    void setLocale(const Locale& locale, UErrorCode& status);

/**
     * Set the number format used for formatting or parsing.
     * @param format  the number formatter to be set
     * @param status  output param set to success/failure code on exit
     * @deprecated ICU 53
     */
    void setNumberFormat(const NumberFormat& format, UErrorCode& status);

/**
     * Parse a TimeUnitAmount.
     * @see Format#parseObject(const UnicodeString&, Formattable&, ParsePosition&) const;
     * @deprecated ICU 53
     */
    virtual void parseObject(const UnicodeString& source,
                             Formattable& result,
                             ParsePosition& pos) const;

/**
     * Return the class ID for this class. This is useful only for comparing to
     * a return value from getDynamicClassID(). For example:
     * <pre>
     * .   Base* polymorphic_pointer = createPolymorphicObject();
     * .   if (polymorphic_pointer->getDynamicClassID() ==
     * .       erived::getStaticClassID()) ...
     * </pre>
     * @return          The class ID for all objects of this class.
     * @deprecated ICU 53
     */
    static UClassID U_EXPORT2 getStaticClassID(void);

/**
     * Returns a unique class ID POLYMORPHICALLY. Pure virtual override. This
     * method is to implement a simple version of RTTI, since not all C++
     * compilers support genuine RTTI. Polymorphic operator==() and clone()
     * methods call this method.
     *
     * @return          The class ID for this object. All objects of a
     *                  given class have the same class ID.  Objects of
     *                  other classes have different class IDs.
     * @deprecated ICU 53
     */
    virtual UClassID getDynamicClassID(void) const;

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;
};

inline UBool
TimeUnitFormat::operator!=(const Format& other) const  {
    return !operator==(other);
}

U_NAMESPACE_END

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

#endif // __TMUTFMT_H__
//eof