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/usr/include/unicode

Name	Size	Mode	Actions
basictz.h	8913	0644	edit dl rm
bms.h	8664	0644	edit dl rm
bmsearch.h	7316	0644	edit dl rm
brkiter.h	23001	0644	edit dl rm
bytestream.h	8531	0644	edit dl rm
calendar.h	90659	0644	edit dl rm
caniter.h	7288	0644	edit dl rm
chariter.h	24186	0644	edit dl rm
choicfmt.h	29528	0644	edit dl rm
coleitr.h	12990	0644	edit dl rm
coll.h	48468	0644	edit dl rm
colldata.h	11957	0644	edit dl rm
curramt.h	3659	0644	edit dl rm
currpinf.h	7061	0644	edit dl rm
currunit.h	3057	0644	edit dl rm
datefmt.h	27946	0644	edit dl rm
dbbi.h	966	0644	edit dl rm
dcfmtsym.h	14040	0644	edit dl rm
decimfmt.h	88612	0644	edit dl rm
docmain.h	6003	0644	edit dl rm
dtfmtsym.h	26145	0644	edit dl rm
dtintrv.h	3734	0644	edit dl rm
dtitvfmt.h	39700	0644	edit dl rm
dtitvinf.h	18704	0644	edit dl rm
dtptngen.h	17303	0644	edit dl rm
dtrule.h	8718	0644	edit dl rm
errorcode.h	4361	0644	edit dl rm
fieldpos.h	8713	0644	edit dl rm
fmtable.h	18794	0644	edit dl rm
format.h	12083	0644	edit dl rm
gregocal.h	33797	0644	edit dl rm
locid.h	30241	0644	edit dl rm
measfmt.h	1897	0644	edit dl rm
measunit.h	1635	0644	edit dl rm
measure.h	3321	0644	edit dl rm
msgfmt.h	39435	0644	edit dl rm
normlzr.h	30337	0644	edit dl rm
numfmt.h	33987	0644	edit dl rm
numsys.h	5004	0644	edit dl rm
parseerr.h	3044	0644	edit dl rm
parsepos.h	5468	0644	edit dl rm
platform.h	9961	0644	edit dl rm
plurfmt.h	23079	0644	edit dl rm
plurrule.h	9901	0644	edit dl rm
ppalmos.h	6992	0644	edit dl rm
putil.h	6686	0644	edit dl rm
pwin32.h	8668	0644	edit dl rm
rbbi.h	26993	0644	edit dl rm
rbnf.h	45681	0644	edit dl rm
rbtz.h	15695	0644	edit dl rm
regex.h	52316	0644	edit dl rm
rep.h	9559	0644	edit dl rm
resbund.h	18130	0644	edit dl rm
schriter.h	6293	0644	edit dl rm
search.h	22357	0644	edit dl rm
simpletz.h	46179	0644	edit dl rm
smpdtfmt.h	48325	0644	edit dl rm
sortkey.h	11111	0644	edit dl rm
std_string.h	1769	0644	edit dl rm
strenum.h	9888	0644	edit dl rm
stringpiece.h	5484	0644	edit dl rm
stsearch.h	22287	0644	edit dl rm
symtable.h	4199	0644	edit dl rm
tblcoll.h	38199	0644	edit dl rm
timezone.h	34584	0644	edit dl rm
tmunit.h	3454	0644	edit dl rm
tmutamt.h	4787	0644	edit dl rm
tmutfmt.h	8669	0644	edit dl rm
translit.h	54780	0644	edit dl rm
tzrule.h	36057	0644	edit dl rm
tztrans.h	6101	0644	edit dl rm
ubidi.h	83092	0644	edit dl rm
ubrk.h	17688	0644	edit dl rm
ucal.h	40177	0644	edit dl rm
ucasemap.h	16420	0644	edit dl rm
ucat.h	5371	0644	edit dl rm
uchar.h	111062	0644	edit dl rm
uchriter.h	13132	0644	edit dl rm
uclean.h	11855	0644	edit dl rm
ucnv.h	83111	0644	edit dl rm
ucnvsel.h	5630	0644	edit dl rm
ucnv_cb.h	6635	0644	edit dl rm
ucnv_err.h	21375	0644	edit dl rm
ucol.h	48826	0644	edit dl rm
ucoleitr.h	12356	0644	edit dl rm
uconfig.h	6035	0644	edit dl rm
ucsdet.h	12464	0644	edit dl rm
ucurr.h	11572	0644	edit dl rm
udat.h	34496	0644	edit dl rm
udata.h	14265	0644	edit dl rm
udatpg.h	18715	0644	edit dl rm
udeprctd.h	2284	0644	edit dl rm
udraft.h	7600	0644	edit dl rm
uenum.h	5796	0644	edit dl rm
uidna.h	15918	0644	edit dl rm
uintrnal.h	15752	0644	edit dl rm
uiter.h	23234	0644	edit dl rm
uloc.h	44548	0644	edit dl rm
ulocdata.h	9739	0644	edit dl rm
umachine.h	11360	0644	edit dl rm
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umsg.h	26076	0644	edit dl rm
unifilt.h	3770	0644	edit dl rm
unifunct.h	3966	0644	edit dl rm
unimatch.h	6071	0644	edit dl rm
unirepl.h	3290	0644	edit dl rm
uniset.h	61771	0644	edit dl rm
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unorm.h	23621	0644	edit dl rm
unum.h	32145	0644	edit dl rm
uobject.h	11393	0644	edit dl rm
uobslete.h	852	0644	edit dl rm
uregex.h	43948	0644	edit dl rm
urename.h	92538	0644	edit dl rm
urep.h	5394	0644	edit dl rm
ures.h	36348	0644	edit dl rm
uscript.h	11360	0644	edit dl rm
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uset.h	39868	0644	edit dl rm
usetiter.h	9606	0644	edit dl rm
ushape.h	17907	0644	edit dl rm
uspoof.h	38752	0644	edit dl rm
usprep.h	7750	0644	edit dl rm
ustdio.h	35333	0644	edit dl rm
ustream.h	1891	0644	edit dl rm
ustring.h	69383	0644	edit dl rm
usystem.h	1925	0644	edit dl rm
utext.h	58394	0644	edit dl rm
utf.h	8273	0644	edit dl rm
utf8.h	20512	0644	edit dl rm
utf16.h	18776	0644	edit dl rm
utf32.h	653	0644	edit dl rm
utf_old.h	43646	0644	edit dl rm
utmscale.h	13689	0644	edit dl rm
utrace.h	13355	0644	edit dl rm
utrans.h	23129	0644	edit dl rm
utypes.h	34513	0644	edit dl rm
uversion.h	10902	0644	edit dl rm
vtzone.h	20048	0644	edit dl rm

Edit: /usr/include/unicode/dtitvinf.h (18704B)

/*
 *******************************************************************************
 * Copyright (C) 2008-2009, International Business Machines Corporation and
 * others. All Rights Reserved.
 *******************************************************************************
 *
 * File DTITVINF.H
 *
 *******************************************************************************
 */

#ifndef __DTITVINF_H__
#define __DTITVINF_H__

#include "unicode/utypes.h"

/**
 * \file
 * \brief C++ API: Date/Time interval patterns for formatting date/time interval
 */

#if !UCONFIG_NO_FORMATTING

#include "unicode/udat.h"
#include "unicode/locid.h"
#include "unicode/ucal.h"
#include "unicode/dtptngen.h"
//#include "dtitv_impl.h"

/**
 * @internal ICU 4.0
 */
 
union UHashTok;

U_NAMESPACE_BEGIN

U_CDECL_BEGIN

/**
 * @internal ICU 4.0
 */
UBool U_CALLCONV dtitvinfHashTableValueComparator(UHashTok val1, UHashTok val2) ;

U_CDECL_END

/**
 * DateIntervalInfo is a public class for encapsulating localizable
 * date time interval patterns. It is used by DateIntervalFormat.
 *
 * 
 * For most users, ordinary use of DateIntervalFormat does not need to create
 * DateIntervalInfo object directly.
 * DateIntervalFormat will take care of it when creating a date interval
 * formatter when user pass in skeleton and locale.
 *
 * 
 * For power users, who want to create their own date interval patterns,
 * or want to re-set date interval patterns, they could do so by
 * directly creating DateIntervalInfo and manupulating it.
 *
 * 
 * Logically, the interval patterns are mappings
 * from (skeleton, the_largest_different_calendar_field)
 * to (date_interval_pattern).
 *
 * 
 * A skeleton 
 * <ol>
 * <li>
 * only keeps the field pattern letter and ignores all other parts 
 * in a pattern, such as space, punctuations, and string literals.
 * <li>
 * hides the order of fields. 
 * <li>
 * might hide a field's pattern letter length.
 *
 * For those non-digit calendar fields, the pattern letter length is 
 * important, such as MMM, MMMM, and MMMMM; EEE and EEEE, 
 * and the field's pattern letter length is honored.
 * 
 * For the digit calendar fields, such as M or MM, d or dd, yy or yyyy, 
 * the field pattern length is ignored and the best match, which is defined 
 * in date time patterns, will be returned without honor the field pattern
 * letter length in skeleton.
 * </ol>
 *
 * 
 * The calendar fields we support for interval formatting are:
 * year, month, date, day-of-week, am-pm, hour, hour-of-day, and minute.
 * Those calendar fields can be defined in the following order:
 * year > month > date > am-pm > hour > minute 
 * 
 * The largest different calendar fields between 2 calendars is the
 * first different calendar field in above order.
 *
 * For example: the largest different calendar fields between "Jan 10, 2007" 
 * and "Feb 20, 2008" is year.
 * 
 * 
 * There is a set of pre-defined static skeleton strings.
 * There are pre-defined interval patterns for those pre-defined skeletons
 * in locales' resource files.
 * For example, for a skeleton UDAT_YEAR_ABBR_MONTH_DAY, which is "yMMMd",
 * in en_US, if the largest different calendar field between date1 and date2 
 * is "year", the date interval pattern is "MMM d, yyyy - MMM d, yyyy", 
 * such as "Jan 10, 2007 - Jan 10, 2008".
 * If the largest different calendar field between date1 and date2 is "month",
 * the date interval pattern is "MMM d - MMM d, yyyy",
 * such as "Jan 10 - Feb 10, 2007".
 * If the largest different calendar field between date1 and date2 is "day",
 * the date interval pattern is ""MMM d-d, yyyy", such as "Jan 10-20, 2007".
 *
 * For date skeleton, the interval patterns when year, or month, or date is 
 * different are defined in resource files.
 * For time skeleton, the interval patterns when am/pm, or hour, or minute is
 * different are defined in resource files.
 *
 *
 * 
 * There are 2 dates in interval pattern. For most locales, the first date
 * in an interval pattern is the earlier date. There might be a locale in which
 * the first date in an interval pattern is the later date.
 * We use fallback format for the default order for the locale.
 * For example, if the fallback format is "{0} - {1}", it means
 * the first date in the interval pattern for this locale is earlier date.
 * If the fallback format is "{1} - {0}", it means the first date is the 
 * later date.
 * For a particular interval pattern, the default order can be overriden
 * by prefixing "latestFirst:" or "earliestFirst:" to the interval pattern.
 * For example, if the fallback format is "{0}-{1}",
 * but for skeleton "yMMMd", the interval pattern when day is different is 
 * "latestFirst:d-d MMM yy", it means by default, the first date in interval
 * pattern is the earlier date. But for skeleton "yMMMd", when day is different,
 * the first date in "d-d MMM yy" is the later date.
 * 
 * 
 * The recommended way to create a DateIntervalFormat object is to pass in 
 * the locale. 
 * By using a Locale parameter, the DateIntervalFormat object is 
 * initialized with the pre-defined interval patterns for a given or 
 * default locale.
 * 
 * Users can also create DateIntervalFormat object 
 * by supplying their own interval patterns.
 * It provides flexibility for power users.
 *
 * 
 * After a DateIntervalInfo object is created, clients may modify
 * the interval patterns using setIntervalPattern function as so desired.
 * Currently, users can only set interval patterns when the following 
 * calendar fields are different: ERA, YEAR, MONTH, DATE, DAY_OF_MONTH, 
 * DAY_OF_WEEK, AM_PM, HOUR, HOUR_OF_DAY, and MINUTE.
 * Interval patterns when other calendar fields are different is not supported.
 * 
 * DateIntervalInfo objects are cloneable. 
 * When clients obtain a DateIntervalInfo object, 
 * they can feel free to modify it as necessary.
 * 
 * DateIntervalInfo are not expected to be subclassed. 
 * Data for a calendar is loaded out of resource bundles. 
 * To ICU 4.0, date interval patterns are only supported in Gregorian calendar. 
 * @stable ICU 4.0
**/

class U_I18N_API DateIntervalInfo : public UObject {
public:
    /**
     * Default constructor.
     * It does not initialize any interval patterns except
     * that it initialize default fall-back pattern as "{0} - {1}",
     * which can be reset by setFallbackIntervalPattern().
     * It should be followed by setFallbackIntervalPattern() and 
     * setIntervalPattern(), 
     * and is recommended to be used only for power users who
     * wants to create their own interval patterns and use them to create
     * date interval formatter.
     * @param status   output param set to success/failure code on exit
     * @internal ICU 4.0
     */
    DateIntervalInfo(UErrorCode& status);

/** 
     * Construct DateIntervalInfo for the given locale,
     * @param locale  the interval patterns are loaded from the Gregorian 
     *                calendar data in this locale.
     * @param status  output param set to success/failure code on exit
     * @stable ICU 4.0
     */
    DateIntervalInfo(const Locale& locale, UErrorCode& status);

/**
     * Copy constructor.
     * @stable ICU 4.0
     */
    DateIntervalInfo(const DateIntervalInfo&);

/**
     * Assignment operator
     * @stable ICU 4.0
     */
    DateIntervalInfo& operator=(const DateIntervalInfo&);

/**
     * Clone this object polymorphically.
     * The caller owns the result and should delete it when done.
     * @return   a copy of the object
     * @stable ICU 4.0
     */
    virtual DateIntervalInfo* clone(void) const;

/**
     * Destructor.
     * It is virtual to be safe, but it is not designed to be subclassed.
     * @stable ICU 4.0
     */
    virtual ~DateIntervalInfo();

/**
     * Return true if another object is semantically equal to this one.
     *
     * @param other    the DateIntervalInfo object to be compared with.
     * @return         true if other is semantically equal to this.
     * @stable ICU 4.0
     */
    virtual UBool operator==(const DateIntervalInfo& other) const;

/**
     * Return true if another object is semantically unequal to this one.
     *
     * @param other    the DateIntervalInfo object to be compared with.
     * @return         true if other is semantically unequal to this.
     * @stable ICU 4.0
     */
    UBool operator!=(const DateIntervalInfo& other) const;

/** 
 * Provides a way for client to build interval patterns.
 * User could construct DateIntervalInfo by providing a list of skeletons
 * and their patterns.
 * 
 * For example:
 * <pre>
 * UErrorCode status = U_ZERO_ERROR;
 * DateIntervalInfo dIntervalInfo = new DateIntervalInfo();
 * dIntervalInfo->setFallbackIntervalPattern("{0} ~ {1}");
 * dIntervalInfo->setIntervalPattern("yMd", UCAL_YEAR, "'from' yyyy-M-d 'to' yyyy-M-d", status); 
 * dIntervalInfo->setIntervalPattern("yMMMd", UCAL_MONTH, "'from' yyyy MMM d 'to' MMM d", status);
 * dIntervalInfo->setIntervalPattern("yMMMd", UCAL_DAY, "yyyy MMM d-d", status, status);
 * </pre>
 *
 * Restriction: 
 * Currently, users can only set interval patterns when the following 
 * calendar fields are different: ERA, YEAR, MONTH, DATE, DAY_OF_MONTH, 
 * DAY_OF_WEEK, AM_PM, HOUR, HOUR_OF_DAY, and MINUTE.
 * Interval patterns when other calendar fields are different are 
 * not supported.
 *
 * @param skeleton the skeleton on which interval pattern based
 * @param lrgDiffCalUnit the largest different calendar unit.
 * @param intervalPattern the interval pattern on the largest different
 * calendar unit.
 * For example, if lrgDiffCalUnit is 
 * "year", the interval pattern for en_US when year
 * is different could be "'from' yyyy 'to' yyyy".
 * @param status output param set to success/failure code on exit
 * @stable ICU 4.0
 */
 void setIntervalPattern(const UnicodeString& skeleton, 
 UCalendarDateFields lrgDiffCalUnit, 
 const UnicodeString& intervalPattern,
 UErrorCode& status);

/**
     * Get the interval pattern given skeleton and 
     * the largest different calendar field.
     * @param skeleton   the skeleton
     * @param field      the largest different calendar field
     * @param result     output param to receive the pattern
     * @param status     output param set to success/failure code on exit
     * @return a reference to 'result'
     * @stable ICU 4.0 
     */
    UnicodeString& getIntervalPattern(const UnicodeString& skeleton,
                                      UCalendarDateFields field,
                                      UnicodeString& result,
                                      UErrorCode& status) const;

/**
     * Get the fallback interval pattern.
     * @param  result   output param to receive the pattern
     * @return a reference to 'result'
     * @stable ICU 4.0 
     */
    UnicodeString& getFallbackIntervalPattern(UnicodeString& result) const;

/**
     * Re-set the fallback interval pattern.
     *
     * In construction, default fallback pattern is set as "{0} - {1}".
     * And constructor taking locale as parameter will set the
     * fallback pattern as what defined in the locale resource file.
     *
     * This method provides a way for user to replace the fallback pattern.
     *
     * @param fallbackPattern  fall-back interval pattern.
     * @param status           output param set to success/failure code on exit
     * @stable ICU 4.0 
     */
    void setFallbackIntervalPattern(const UnicodeString& fallbackPattern,
                                    UErrorCode& status);

/** Get default order -- whether the first date in pattern is later date
                             or not.
     * return default date ordering in interval pattern. TRUE if the first date
     *        in pattern is later date, FALSE otherwise.
     * @stable ICU 4.0 
     */
    UBool getDefaultOrder() const;

/**
     * ICU "poor man's RTTI", returns a UClassID for the actual class.
     *
     * @stable ICU 4.0
     */
    virtual UClassID getDynamicClassID() const;

/**
     * ICU "poor man's RTTI", returns a UClassID for this class.
     *
     * @stable ICU 4.0
     */
    static UClassID U_EXPORT2 getStaticClassID();

private:
    /**
     * DateIntervalFormat will need access to
     * getBestSkeleton(), parseSkeleton(), enum IntervalPatternIndex,
     * and calendarFieldToPatternIndex().
     *
     * Instead of making above public,
     * make DateIntervalFormat a friend of DateIntervalInfo.
     */
    friend class DateIntervalFormat;

friend UBool U_CALLCONV dtitvinfHashTableValueComparator(UHashTok val1, UHashTok val2) ;

/**
     * Following is for saving the interval patterns.
     * We only support interval patterns on
     * ERA, YEAR, MONTH, DAY, AM_PM, HOUR, and MINUTE
     */
    enum IntervalPatternIndex
    {
        kIPI_ERA,
        kIPI_YEAR,
        kIPI_MONTH,
        kIPI_DATE,
        kIPI_AM_PM,
        kIPI_HOUR,
        kIPI_MINUTE,
        kIPI_MAX_INDEX
    };

/** 
     * Initialize the DateIntervalInfo from locale
     * @param locale   the given locale.
     * @param status   output param set to success/failure code on exit
     * @internal ICU 4.0 
     */
    void initializeData(const Locale& locale, UErrorCode& status);

/* Set Interval pattern.
     *
     * It sets interval pattern into the hash map.
     *
     * @param skeleton         skeleton on which the interval pattern based
     * @param lrgDiffCalUnit   the largest different calendar unit.
     * @param intervalPattern  the interval pattern on the largest different
     *                         calendar unit.
     * @param status           output param set to success/failure code on exit
     * @internal ICU 4.0
     */
    void setIntervalPatternInternally(const UnicodeString& skeleton,
                                      UCalendarDateFields lrgDiffCalUnit,
                                      const UnicodeString& intervalPattern,
                                      UErrorCode& status);

/**given an input skeleton, get the best match skeleton 
     * which has pre-defined interval pattern in resource file.
     * Also return the difference between the input skeleton
     * and the best match skeleton.
     *
     * TODO (xji): set field weight or
     *             isolate the funtionality in DateTimePatternGenerator
     * @param  skeleton               input skeleton
     * @param  bestMatchDistanceInfo  the difference between input skeleton
     *                                and best match skeleton.
     *         0, if there is exact match for input skeleton
     *         1, if there is only field width difference between 
     *            the best match and the input skeleton
     *         2, the only field difference is 'v' and 'z'
     *        -1, if there is calendar field difference between
     *            the best match and the input skeleton
     * @return                        best match skeleton
     * @internal ICU 4.0
     */
    const UnicodeString* getBestSkeleton(const UnicodeString& skeleton,
                                         int8_t& bestMatchDistanceInfo) const;

/**
     * Parse skeleton, save each field's width.
     * It is used for looking for best match skeleton,
     * and adjust pattern field width.
     * @param skeleton            skeleton to be parsed
     * @param skeletonFieldWidth  parsed skeleton field width
     * @internal ICU 4.0
     */
    static void U_EXPORT2 parseSkeleton(const UnicodeString& skeleton, 
                                        int32_t* skeletonFieldWidth);

/**
     * Check whether one field width is numeric while the other is string.
     *
     * TODO (xji): make it general
     *
     * @param fieldWidth          one field width
     * @param anotherFieldWidth   another field width
     * @param patternLetter       pattern letter char
     * @return true if one field width is numeric and the other is string,
     *         false otherwise.
     * @internal ICU 4.0
     */
    static UBool U_EXPORT2 stringNumeric(int32_t fieldWidth,
                                         int32_t anotherFieldWidth,
                                         char patternLetter);

/** 
     * Convert calendar field to the interval pattern index in 
     * hash table.
     *
     * Since we only support the following calendar fields: 
     * ERA, YEAR, MONTH, DATE,  DAY_OF_MONTH, DAY_OF_WEEK, 
     * AM_PM,  HOUR, HOUR_OF_DAY, and MINUTE,
     * We reserve only 4 interval patterns for a skeleton.
     *
     * @param field    calendar field
     * @param status   output param set to success/failure code on exit
     * @return  interval pattern index in hash table
     * @internal ICU 4.0
     */
    static IntervalPatternIndex U_EXPORT2 calendarFieldToIntervalIndex(
                                                      UCalendarDateFields field,
                                                      UErrorCode& status);

/**
     * delete hash table (of type fIntervalPatterns).
     *
     * @param hTable  hash table to be deleted
     * @internal ICU 4.0
     */
    void deleteHash(Hashtable* hTable);

/**
     * initialize hash table (of type fIntervalPatterns).
     *
     * @param status   output param set to success/failure code on exit
     * @return         hash table initialized
     * @internal ICU 4.0
     */
    Hashtable* initHash(UErrorCode& status);

/**
     * copy hash table (of type fIntervalPatterns).
     *
     * @param source   the source to copy from
     * @param target   the target to copy to
     * @param status   output param set to success/failure code on exit
     * @internal ICU 4.0
     */
    void copyHash(const Hashtable* source, Hashtable* target, UErrorCode& status);

// data members
    // fallback interval pattern 
    UnicodeString fFallbackIntervalPattern;
    // default order
    UBool fFirstDateInPtnIsLaterDate;

// HashMap<UnicodeString, UnicodeString[kIPI_MAX_INDEX]>
 // HashMap( skeleton, pattern[largest_different_field] )
 Hashtable* fIntervalPatterns;

};// end class DateIntervalInfo

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

U_NAMESPACE_END

#endif

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