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

Editing: uenum.h

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
*
*   Copyright (C) 2002-2013, International Business Machines
*   Corporation and others.  All Rights Reserved.
*
*******************************************************************************
*   file name:  uenum.h
*   encoding:   UTF-8
*   tab size:   8 (not used)
*   indentation:2
*
*   created on: 2002jul08
*   created by: Vladimir Weinstein
*/

#ifndef __UENUM_H
#define __UENUM_H

#include "unicode/utypes.h"
#include "unicode/localpointer.h"

#if U_SHOW_CPLUSPLUS_API
U_NAMESPACE_BEGIN
class StringEnumeration;
U_NAMESPACE_END
#endif

/**
 * \file
 * \brief C API: String Enumeration 
 */
 
/**
 * An enumeration object.
 * For usage in C programs.
 * @stable ICU 2.2
 */
struct UEnumeration;
/** structure representing an enumeration object instance @stable ICU 2.2 */
typedef struct UEnumeration UEnumeration;

/**
 * Disposes of resources in use by the iterator.  If en is NULL,
 * does nothing.  After this call, any char* or UChar* pointer
 * returned by uenum_unext() or uenum_next() is invalid.
 * @param en UEnumeration structure pointer
 * @stable ICU 2.2
 */
U_STABLE void U_EXPORT2
uenum_close(UEnumeration* en);

#if U_SHOW_CPLUSPLUS_API

U_NAMESPACE_BEGIN

/**
 * \class LocalUEnumerationPointer
 * "Smart pointer" class, closes a UEnumeration via uenum_close().
 * For most methods see the LocalPointerBase base class.
 *
 * @see LocalPointerBase
 * @see LocalPointer
 * @stable ICU 4.4
 */
U_DEFINE_LOCAL_OPEN_POINTER(LocalUEnumerationPointer, UEnumeration, uenum_close);

U_NAMESPACE_END

#endif

/**
 * Returns the number of elements that the iterator traverses.  If
 * the iterator is out-of-sync with its service, status is set to
 * U_ENUM_OUT_OF_SYNC_ERROR.
 * This is a convenience function. It can end up being very
 * expensive as all the items might have to be pre-fetched (depending
 * on the type of data being traversed). Use with caution and only 
 * when necessary.
 * @param en UEnumeration structure pointer
 * @param status error code, can be U_ENUM_OUT_OF_SYNC_ERROR if the
 *               iterator is out of sync.
 * @return number of elements in the iterator
 * @stable ICU 2.2
 */
U_STABLE int32_t U_EXPORT2
uenum_count(UEnumeration* en, UErrorCode* status);

/**
 * Returns the next element in the iterator's list.  If there are
 * no more elements, returns NULL.  If the iterator is out-of-sync
 * with its service, status is set to U_ENUM_OUT_OF_SYNC_ERROR and
 * NULL is returned.  If the native service string is a char* string,
 * it is converted to UChar* with the invariant converter.
 * The result is terminated by (UChar)0.
 * @param en the iterator object
 * @param resultLength pointer to receive the length of the result
 *                     (not including the terminating \\0).
 *                     If the pointer is NULL it is ignored.
 * @param status the error code, set to U_ENUM_OUT_OF_SYNC_ERROR if
 *               the iterator is out of sync with its service.
 * @return a pointer to the string.  The string will be
 *         zero-terminated.  The return pointer is owned by this iterator
 *         and must not be deleted by the caller.  The pointer is valid
 *         until the next call to any uenum_... method, including
 *         uenum_next() or uenum_unext().  When all strings have been
 *         traversed, returns NULL.
 * @stable ICU 2.2
 */
U_STABLE const UChar* U_EXPORT2
uenum_unext(UEnumeration* en,
            int32_t* resultLength,
            UErrorCode* status);

/**
 * Returns the next element in the iterator's list.  If there are
 * no more elements, returns NULL.  If the iterator is out-of-sync
 * with its service, status is set to U_ENUM_OUT_OF_SYNC_ERROR and
 * NULL is returned.  If the native service string is a UChar*
 * string, it is converted to char* with the invariant converter.
 * The result is terminated by (char)0.  If the conversion fails
 * (because a character cannot be converted) then status is set to
 * U_INVARIANT_CONVERSION_ERROR and the return value is undefined
 * (but non-NULL).
 * @param en the iterator object
 * @param resultLength pointer to receive the length of the result
 *                     (not including the terminating \\0).
 *                     If the pointer is NULL it is ignored.
 * @param status the error code, set to U_ENUM_OUT_OF_SYNC_ERROR if
 *               the iterator is out of sync with its service.  Set to
 *               U_INVARIANT_CONVERSION_ERROR if the underlying native string is
 *               UChar* and conversion to char* with the invariant converter
 *               fails. This error pertains only to current string, so iteration
 *               might be able to continue successfully.
 * @return a pointer to the string.  The string will be
 *         zero-terminated.  The return pointer is owned by this iterator
 *         and must not be deleted by the caller.  The pointer is valid
 *         until the next call to any uenum_... method, including
 *         uenum_next() or uenum_unext().  When all strings have been
 *         traversed, returns NULL.
 * @stable ICU 2.2
 */
U_STABLE const char* U_EXPORT2
uenum_next(UEnumeration* en,
           int32_t* resultLength,
           UErrorCode* status);

/**
 * Resets the iterator to the current list of service IDs.  This
 * re-establishes sync with the service and rewinds the iterator
 * to start at the first element.
 * @param en the iterator object
 * @param status the error code, set to U_ENUM_OUT_OF_SYNC_ERROR if
 *               the iterator is out of sync with its service.  
 * @stable ICU 2.2
 */
U_STABLE void U_EXPORT2
uenum_reset(UEnumeration* en, UErrorCode* status);

#if U_SHOW_CPLUSPLUS_API

/**
 * Given a StringEnumeration, wrap it in a UEnumeration.  The
 * StringEnumeration is adopted; after this call, the caller must not
 * delete it (regardless of error status).
 * @param adopted the C++ StringEnumeration to be wrapped in a UEnumeration.
 * @param ec the error code.
 * @return a UEnumeration wrapping the adopted StringEnumeration.
 * @stable ICU 4.2
 */
U_STABLE UEnumeration* U_EXPORT2
uenum_openFromStringEnumeration(icu::StringEnumeration* adopted, UErrorCode* ec);

#endif

/**
 * Given an array of const UChar* strings, return a UEnumeration.  String pointers from 0..count-1 must not be null.
 * Do not free or modify either the string array or the characters it points to until this object has been destroyed with uenum_close.
 * \snippet test/cintltst/uenumtst.c uenum_openUCharStringsEnumeration
 * @param strings array of const UChar* strings (each null terminated). All storage is owned by the caller.
 * @param count length of the array
 * @param ec error code
 * @return the new UEnumeration object. Caller is responsible for calling uenum_close to free memory.
 * @see uenum_close
 * @stable ICU 50
 */
U_STABLE UEnumeration* U_EXPORT2
uenum_openUCharStringsEnumeration(const UChar* const strings[], int32_t count,
                                 UErrorCode* ec);

/**
 * Given an array of const char* strings (invariant chars only), return a UEnumeration.  String pointers from 0..count-1 must not be null.
 * Do not free or modify either the string array or the characters it points to until this object has been destroyed with uenum_close.
 * \snippet test/cintltst/uenumtst.c uenum_openCharStringsEnumeration
 * @param strings array of char* strings (each null terminated).  All storage is owned by the caller.
 * @param count length of the array
 * @param ec error code
 * @return the new UEnumeration object. Caller is responsible for calling uenum_close to free memory
 * @see uenum_close
 * @stable ICU 50
 */
U_STABLE UEnumeration* U_EXPORT2
uenum_openCharStringsEnumeration(const char* const strings[], int32_t count,
                                 UErrorCode* ec);

#endif

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