Gecko [ nrupathungauniversityblr.ac.in ]

Name	Size	Permission
alphaindex.h	26.48 KB	-rw-r--r--
appendable.h	8.49 KB	-rw-r--r--
basictz.h	9.15 KB	-rw-r--r--
brkiter.h	27.8 KB	-rw-r--r--
bytestream.h	9.6 KB	-rw-r--r--
bytestrie.h	20.77 KB	-rw-r--r--
bytestriebuilder.h	7.08 KB	-rw-r--r--
calendar.h	105.74 KB	-rw-r--r--
caniter.h	7.43 KB	-rw-r--r--
casemap.h	25.33 KB	-rw-r--r--
char16ptr.h	7.22 KB	-rw-r--r--
chariter.h	24.05 KB	-rw-r--r--
choicfmt.h	23.91 KB	-rw-r--r--
coleitr.h	13.76 KB	-rw-r--r--
coll.h	56.23 KB	-rw-r--r--
compactdecimalformat.h	6.88 KB	-rw-r--r--
curramt.h	3.76 KB	-rw-r--r--
currpinf.h	7.3 KB	-rw-r--r--
currunit.h	4.05 KB	-rw-r--r--
datefmt.h	40.67 KB	-rw-r--r--
dbbi.h	1.19 KB	-rw-r--r--
dcfmtsym.h	20.13 KB	-rw-r--r--
decimfmt.h	87.38 KB	-rw-r--r--
docmain.h	6.97 KB	-rw-r--r--
dtfmtsym.h	37.7 KB	-rw-r--r--
dtintrv.h	3.84 KB	-rw-r--r--
dtitvfmt.h	46.63 KB	-rw-r--r--
dtitvinf.h	18.51 KB	-rw-r--r--
dtptngen.h	25.08 KB	-rw-r--r--
dtrule.h	8.68 KB	-rw-r--r--
edits.h	20.74 KB	-rw-r--r--
enumset.h	2.08 KB	-rw-r--r--
errorcode.h	4.84 KB	-rw-r--r--
fieldpos.h	8.69 KB	-rw-r--r--
filteredbrk.h	5.37 KB	-rw-r--r--
fmtable.h	24.42 KB	-rw-r--r--
format.h	12.5 KB	-rw-r--r--
formattedvalue.h	10.27 KB	-rw-r--r--
fpositer.h	3.04 KB	-rw-r--r--
gender.h	3.33 KB	-rw-r--r--
gregocal.h	31.71 KB	-rw-r--r--
icudataver.h	1.03 KB	-rw-r--r--
icuplug.h	11.88 KB	-rw-r--r--
idna.h	12.7 KB	-rw-r--r--
listformatter.h	9.47 KB	-rw-r--r--
localebuilder.h	11.27 KB	-rw-r--r--
localematcher.h	22.5 KB	-rw-r--r--
localpointer.h	19.69 KB	-rw-r--r--
locdspnm.h	7.12 KB	-rw-r--r--
locid.h	47.4 KB	-rw-r--r--
measfmt.h	11.33 KB	-rw-r--r--
measunit.h	93.31 KB	-rw-r--r--
measure.h	4.32 KB	-rw-r--r--
messagepattern.h	33.71 KB	-rw-r--r--
msgfmt.h	44.11 KB	-rw-r--r--
normalizer2.h	34.03 KB	-rw-r--r--
normlzr.h	30.94 KB	-rw-r--r--
nounit.h	2.69 KB	-rw-r--r--
numberformatter.h	86.31 KB	-rw-r--r--
numberrangeformatter.h	30.14 KB	-rw-r--r--
numfmt.h	49.81 KB	-rw-r--r--
numsys.h	7.19 KB	-rw-r--r--
parseerr.h	3.08 KB	-rw-r--r--
parsepos.h	5.56 KB	-rw-r--r--
platform.h	28.08 KB	-rw-r--r--
plurfmt.h	25.2 KB	-rw-r--r--
plurrule.h	18.39 KB	-rw-r--r--
ptypes.h	3.49 KB	-rw-r--r--
putil.h	6.33 KB	-rw-r--r--
rbbi.h	26.58 KB	-rw-r--r--
rbnf.h	48.73 KB	-rw-r--r--
rbtz.h	15.6 KB	-rw-r--r--
regex.h	84.36 KB	-rw-r--r--
region.h	9.18 KB	-rw-r--r--
reldatefmt.h	22.62 KB	-rw-r--r--
rep.h	9.37 KB	-rw-r--r--
resbund.h	18.07 KB	-rw-r--r--
schriter.h	6.32 KB	-rw-r--r--
scientificnumberformatter.h	6.4 KB	-rw-r--r--
search.h	22.22 KB	-rw-r--r--
selfmt.h	14.3 KB	-rw-r--r--
simpleformatter.h	12.59 KB	-rw-r--r--
simpletz.h	45.44 KB	-rw-r--r--
smpdtfmt.h	70.97 KB	-rw-r--r--
sortkey.h	11.18 KB	-rw-r--r--
std_string.h	1.05 KB	-rw-r--r--
strenum.h	9.92 KB	-rw-r--r--
stringoptions.h	5.79 KB	-rw-r--r--
stringpiece.h	7.38 KB	-rw-r--r--
stringtriebuilder.h	15.33 KB	-rw-r--r--
stsearch.h	21.3 KB	-rw-r--r--
symtable.h	4.27 KB	-rw-r--r--
tblcoll.h	36.61 KB	-rw-r--r--
timezone.h	41.02 KB	-rw-r--r--
tmunit.h	3.38 KB	-rw-r--r--
tmutamt.h	4.9 KB	-rw-r--r--
tmutfmt.h	7.85 KB	-rw-r--r--
translit.h	65.82 KB	-rw-r--r--
tzfmt.h	42.89 KB	-rw-r--r--
tznames.h	16.85 KB	-rw-r--r--
tzrule.h	35.37 KB	-rw-r--r--
tztrans.h	6.12 KB	-rw-r--r--
ubidi.h	89.56 KB	-rw-r--r--
ubiditransform.h	12.65 KB	-rw-r--r--
ubrk.h	23.97 KB	-rw-r--r--
ucal.h	56.9 KB	-rw-r--r--
ucasemap.h	15.18 KB	-rw-r--r--
ucat.h	5.36 KB	-rw-r--r--
uchar.h	140.56 KB	-rw-r--r--
ucharstrie.h	22.58 KB	-rw-r--r--
ucharstriebuilder.h	7.21 KB	-rw-r--r--
uchriter.h	13.2 KB	-rw-r--r--
uclean.h	11.21 KB	-rw-r--r--
ucnv.h	83.09 KB	-rw-r--r--
ucnv_cb.h	6.59 KB	-rw-r--r--
ucnv_err.h	20.99 KB	-rw-r--r--
ucnvsel.h	6.14 KB	-rw-r--r--
ucol.h	61.46 KB	-rw-r--r--
ucoleitr.h	9.46 KB	-rw-r--r--
uconfig.h	12.07 KB	-rw-r--r--
ucpmap.h	5.53 KB	-rw-r--r--
ucptrie.h	22.46 KB	-rw-r--r--
ucsdet.h	14.67 KB	-rw-r--r--
ucurr.h	16.12 KB	-rw-r--r--
udat.h	60.88 KB	-rw-r--r--
udata.h	15.56 KB	-rw-r--r--
udateintervalformat.h	10.03 KB	-rw-r--r--
udatpg.h	26.01 KB	-rw-r--r--
udisplaycontext.h	5.89 KB	-rw-r--r--
uenum.h	7.78 KB	-rw-r--r--
ufieldpositer.h	4.36 KB	-rw-r--r--
uformattable.h	10.94 KB	-rw-r--r--
uformattedvalue.h	12.14 KB	-rw-r--r--
ugender.h	2 KB	-rw-r--r--
uidna.h	33.37 KB	-rw-r--r--
uiter.h	22.77 KB	-rw-r--r--
uldnames.h	10.45 KB	-rw-r--r--
ulistformatter.h	8.83 KB	-rw-r--r--
uloc.h	52.54 KB	-rw-r--r--
ulocdata.h	11.26 KB	-rw-r--r--
umachine.h	14.53 KB	-rw-r--r--
umisc.h	1.33 KB	-rw-r--r--
umsg.h	24.23 KB	-rw-r--r--
umutablecptrie.h	8.24 KB	-rw-r--r--
unifilt.h	3.96 KB	-rw-r--r--
unifunct.h	4.04 KB	-rw-r--r--
unimatch.h	6.1 KB	-rw-r--r--
unirepl.h	3.38 KB	-rw-r--r--
uniset.h	64.9 KB	-rw-r--r--
unistr.h	170.43 KB	-rw-r--r--
unorm.h	20.52 KB	-rw-r--r--
unorm2.h	24.66 KB	-rw-r--r--
unum.h	53.62 KB	-rw-r--r--
unumberformatter.h	25.36 KB	-rw-r--r--
unumsys.h	7.21 KB	-rw-r--r--
uobject.h	10.68 KB	-rw-r--r--
upluralrules.h	7.88 KB	-rw-r--r--
uregex.h	72.05 KB	-rw-r--r--
uregion.h	9.84 KB	-rw-r--r--
ureldatefmt.h	17.26 KB	-rw-r--r--
urename.h	130.97 KB	-rw-r--r--
urep.h	5.38 KB	-rw-r--r--
ures.h	36.54 KB	-rw-r--r--
uscript.h	26.87 KB	-rw-r--r--
usearch.h	38.12 KB	-rw-r--r--
uset.h	40 KB	-rw-r--r--
usetiter.h	9.55 KB	-rw-r--r--
ushape.h	18 KB	-rw-r--r--
uspoof.h	65.9 KB	-rw-r--r--
usprep.h	8.14 KB	-rw-r--r--
ustdio.h	38.54 KB	-rw-r--r--
ustream.h	1.89 KB	-rw-r--r--
ustring.h	72.47 KB	-rw-r--r--
ustringtrie.h	3.15 KB	-rw-r--r--
utext.h	58.13 KB	-rw-r--r--
utf.h	7.86 KB	-rw-r--r--
utf16.h	23.32 KB	-rw-r--r--
utf32.h	763 B	-rw-r--r--
utf8.h	30.96 KB	-rw-r--r--
utf_old.h	45.83 KB	-rw-r--r--
utmscale.h	13.78 KB	-rw-r--r--
utrace.h	15.73 KB	-rw-r--r--
utrans.h	25.52 KB	-rw-r--r--
utypes.h	30.74 KB	-rw-r--r--
uvernum.h	6.67 KB	-rw-r--r--
uversion.h	6 KB	-rw-r--r--
vtzone.h	20.3 KB	-rw-r--r--

Code Editor : basictz.h

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2007-2013, International Business Machines Corporation and
* others. All Rights Reserved.
*******************************************************************************
*/
#ifndef BASICTZ_H
#define BASICTZ_H

/**
 * \file 
 * \brief C++ API: ICU TimeZone base class
 */

#include "unicode/utypes.h"

#if U_SHOW_CPLUSPLUS_API

#if !UCONFIG_NO_FORMATTING

#include "unicode/timezone.h"
#include "unicode/tzrule.h"
#include "unicode/tztrans.h"

U_NAMESPACE_BEGIN

// forward declarations
class UVector;

/**
 * <code>BasicTimeZone</code> is an abstract class extending <code>TimeZone</code>.
 * This class provides some additional methods to access time zone transitions and rules.
 * All ICU <code>TimeZone</code> concrete subclasses extend this class.
 * @stable ICU 3.8
 */
class U_I18N_API BasicTimeZone: public TimeZone {
public:
    /**
     * Destructor.
     * @stable ICU 3.8
     */
    virtual ~BasicTimeZone();

/**
     * Clones this object polymorphically.
     * The caller owns the result and should delete it when done.
     * @return clone, or nullptr if an error occurred
     * @stable ICU 3.8
     */
    virtual BasicTimeZone* clone() const = 0;

/**
     * Gets the first time zone transition after the base time.
     * @param base      The base time.
     * @param inclusive Whether the base time is inclusive or not.
     * @param result    Receives the first transition after the base time.
     * @return  TRUE if the transition is found.
     * @stable ICU 3.8
     */
    virtual UBool getNextTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const = 0;

/**
     * Gets the most recent time zone transition before the base time.
     * @param base      The base time.
     * @param inclusive Whether the base time is inclusive or not.
     * @param result    Receives the most recent transition before the base time.
     * @return  TRUE if the transition is found.
     * @stable ICU 3.8
     */
    virtual UBool getPreviousTransition(UDate base, UBool inclusive, TimeZoneTransition& result) const = 0;

/**
     * Checks if the time zone has equivalent transitions in the time range.
     * This method returns true when all of transition times, from/to standard
     * offsets and DST savings used by this time zone match the other in the
     * time range.
     * @param tz    The <code>BasicTimeZone</code> object to be compared with.
     * @param start The start time of the evaluated time range (inclusive)
     * @param end   The end time of the evaluated time range (inclusive)
     * @param ignoreDstAmount
     *              When true, any transitions with only daylight saving amount
     *              changes will be ignored, except either of them is zero.
     *              For example, a transition from rawoffset 3:00/dstsavings 1:00
     *              to rawoffset 2:00/dstsavings 2:00 is excluded from the comparison,
     *              but a transtion from rawoffset 2:00/dstsavings 1:00 to
     *              rawoffset 3:00/dstsavings 0:00 is included.
     * @param ec    Output param to filled in with a success or an error.
     * @return      true if the other time zone has the equivalent transitions in the
     *              time range.
     * @stable ICU 3.8
     */
    virtual UBool hasEquivalentTransitions(const BasicTimeZone& tz, UDate start, UDate end,
        UBool ignoreDstAmount, UErrorCode& ec) const;

/**
     * Returns the number of <code>TimeZoneRule</code>s which represents time transitions,
     * for this time zone, that is, all <code>TimeZoneRule</code>s for this time zone except
     * <code>InitialTimeZoneRule</code>.  The return value range is 0 or any positive value.
     * @param status    Receives error status code.
     * @return The number of <code>TimeZoneRule</code>s representing time transitions.
     * @stable ICU 3.8
     */
    virtual int32_t countTransitionRules(UErrorCode& status) const = 0;

/**
     * Gets the <code>InitialTimeZoneRule</code> and the set of <code>TimeZoneRule</code>
     * which represent time transitions for this time zone.  On successful return,
     * the argument initial points to non-NULL <code>InitialTimeZoneRule</code> and
     * the array trsrules is filled with 0 or multiple <code>TimeZoneRule</code>
     * instances up to the size specified by trscount.  The results are referencing the
     * rule instance held by this time zone instance.  Therefore, after this time zone
     * is destructed, they are no longer available.
     * @param initial       Receives the initial timezone rule
     * @param trsrules      Receives the timezone transition rules
     * @param trscount      On input, specify the size of the array 'transitions' receiving
     *                      the timezone transition rules.  On output, actual number of
     *                      rules filled in the array will be set.
     * @param status        Receives error status code.
     * @stable ICU 3.8
     */
    virtual void getTimeZoneRules(const InitialTimeZoneRule*& initial,
        const TimeZoneRule* trsrules[], int32_t& trscount, UErrorCode& status) const = 0;

/**
     * Gets the set of time zone rules valid at the specified time.  Some known external time zone
     * implementations are not capable to handle historic time zone rule changes.  Also some
     * implementations can only handle certain type of rule definitions.
     * If this time zone does not use any daylight saving time within about 1 year from the specified
     * time, only the <code>InitialTimeZone</code> is returned.  Otherwise, the rule for standard
     * time and daylight saving time transitions are returned in addition to the
     * <code>InitialTimeZoneRule</code>.  The standard and daylight saving time transition rules are
     * represented by <code>AnnualTimeZoneRule</code> with <code>DateTimeRule::DOW</code> for its date
     * rule and <code>DateTimeRule::WALL_TIME</code> for its time rule.  Because daylight saving time
     * rule is changing time to time in many time zones and also mapping a transition time rule to
     * different type is lossy transformation, the set of rules returned by this method may be valid
     * for short period of time.
     * The time zone rule objects returned by this method is owned by the caller, so the caller is
     * responsible for deleting them after use.
     * @param date      The date used for extracting time zone rules.
     * @param initial   Receives the <code>InitialTimeZone</code>, always not NULL.
     * @param std       Receives the <code>AnnualTimeZoneRule</code> for standard time transitions.
     *                  When this time time zone does not observe daylight saving times around the
     *                  specified date, NULL is set.
     * @param dst       Receives the <code>AnnualTimeZoneRule</code> for daylight saving time
     *                  transitions.  When this time zone does not observer daylight saving times
     *                  around the specified date, NULL is set.
     * @param status    Receives error status code.
     * @stable ICU 3.8
     */
    virtual void getSimpleRulesNear(UDate date, InitialTimeZoneRule*& initial,
        AnnualTimeZoneRule*& std, AnnualTimeZoneRule*& dst, UErrorCode& status) const;

#ifndef U_HIDE_INTERNAL_API
    /**
     * The time type option bit flags used by getOffsetFromLocal
     * @internal
     */
    enum {
        kStandard = 0x01,
        kDaylight = 0x03,
        kFormer = 0x04,
        kLatter = 0x0C
    };
#endif  /* U_HIDE_INTERNAL_API */

/**
     * Get time zone offsets from local wall time.
     * @internal
     */
    virtual void getOffsetFromLocal(UDate date, int32_t nonExistingTimeOpt, int32_t duplicatedTimeOpt,
        int32_t& rawOffset, int32_t& dstOffset, UErrorCode& status) const;

protected:

#ifndef U_HIDE_INTERNAL_API
    /**
     * The time type option bit masks used by getOffsetFromLocal
     * @internal
     */
    enum {
        kStdDstMask = kDaylight,
        kFormerLatterMask = kLatter
    };
#endif  /* U_HIDE_INTERNAL_API */

/**
     * Default constructor.
     * @stable ICU 3.8
     */
    BasicTimeZone();

/**
     * Construct a timezone with a given ID.
     * @param id a system time zone ID
     * @stable ICU 3.8
     */
    BasicTimeZone(const UnicodeString &id);

/**
     * Copy constructor.
     * @param source the object to be copied.
     * @stable ICU 3.8
     */
    BasicTimeZone(const BasicTimeZone& source);

/**
     * Gets the set of TimeZoneRule instances applicable to the specified time and after.
     * @param start     The start date used for extracting time zone rules
     * @param initial   Receives the InitialTimeZone, always not NULL
     * @param transitionRules   Receives the transition rules, could be NULL
     * @param status    Receives error status code
     */
    void getTimeZoneRulesAfter(UDate start, InitialTimeZoneRule*& initial, UVector*& transitionRules,
        UErrorCode& status) const;
};

U_NAMESPACE_END

#endif /* #if !UCONFIG_NO_FORMATTING */

#endif /* U_SHOW_CPLUSPLUS_API */

#endif // BASICTZ_H

//eof

${this.title}

Code Editor : basictz.h