ICU 65.1  65.1
ucol.h
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1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 *******************************************************************************
5 * Copyright (c) 1996-2015, International Business Machines Corporation and others.
6 * All Rights Reserved.
7 *******************************************************************************
8 */
9 
10 #ifndef UCOL_H
11 #define UCOL_H
12 
13 #include "unicode/utypes.h"
14 
15 #if !UCONFIG_NO_COLLATION
16 
17 #include "unicode/unorm.h"
18 #include "unicode/localpointer.h"
19 #include "unicode/parseerr.h"
20 #include "unicode/uloc.h"
21 #include "unicode/uset.h"
22 #include "unicode/uscript.h"
23 
54 struct UCollator;
58 typedef struct UCollator UCollator;
59 
60 
73 typedef enum {
79  UCOL_LESS = -1
81 
82 
89 typedef enum {
92 
101  UCOL_CE_STRENGTH_LIMIT,
106  UCOL_STRENGTH_LIMIT,
107 
111  UCOL_OFF = 16,
115  UCOL_ON = 17,
116 
121 
127 
128 #ifndef U_HIDE_DEPRECATED_API
129 
134 #endif /* U_HIDE_DEPRECATED_API */
136 
146  typedef enum {
201 #ifndef U_HIDE_DEPRECATED_API
202 
207 #endif /* U_HIDE_DEPRECATED_API */
209 
237 
242 typedef enum {
311 #ifndef U_HIDE_DEPRECATED_API
312 
324 #endif /* U_HIDE_DEPRECATED_API */
325 
344 
345  /* Do not conditionalize the following with #ifndef U_HIDE_DEPRECATED_API,
346  * it is needed for layout of RuleBasedCollator object. */
347 #ifndef U_FORCE_HIDE_DEPRECATED_API
348 
353 #endif // U_FORCE_HIDE_DEPRECATED_API
354 } UColAttribute;
355 
359 typedef enum {
374 } UColRuleOption ;
375 
401 U_STABLE UCollator* U_EXPORT2
402 ucol_open(const char *loc, UErrorCode *status);
403 
429 U_STABLE UCollator* U_EXPORT2
430 ucol_openRules( const UChar *rules,
431  int32_t rulesLength,
432  UColAttributeValue normalizationMode,
433  UCollationStrength strength,
434  UParseError *parseError,
435  UErrorCode *status);
436 
437 #ifndef U_HIDE_DEPRECATED_API
438 
471 U_DEPRECATED UCollator* U_EXPORT2
472 ucol_openFromShortString( const char *definition,
473  UBool forceDefaults,
474  UParseError *parseError,
475  UErrorCode *status);
476 #endif /* U_HIDE_DEPRECATED_API */
477 
478 #ifndef U_HIDE_DEPRECATED_API
479 
492 U_DEPRECATED int32_t U_EXPORT2
493 ucol_getContractions( const UCollator *coll,
494  USet *conts,
495  UErrorCode *status);
496 #endif /* U_HIDE_DEPRECATED_API */
497 
509 U_STABLE void U_EXPORT2
511  USet *contractions, USet *expansions,
512  UBool addPrefixes, UErrorCode *status);
513 
524 U_STABLE void U_EXPORT2
525 ucol_close(UCollator *coll);
526 
527 #if U_SHOW_CPLUSPLUS_API
528 
529 U_NAMESPACE_BEGIN
530 
541 
542 U_NAMESPACE_END
543 
544 #endif
545 
561 U_STABLE UCollationResult U_EXPORT2
562 ucol_strcoll( const UCollator *coll,
563  const UChar *source,
564  int32_t sourceLength,
565  const UChar *target,
566  int32_t targetLength);
567 
586 U_STABLE UCollationResult U_EXPORT2
588  const UCollator *coll,
589  const char *source,
590  int32_t sourceLength,
591  const char *target,
592  int32_t targetLength,
593  UErrorCode *status);
594 
609 U_STABLE UBool U_EXPORT2
610 ucol_greater(const UCollator *coll,
611  const UChar *source, int32_t sourceLength,
612  const UChar *target, int32_t targetLength);
613 
628 U_STABLE UBool U_EXPORT2
629 ucol_greaterOrEqual(const UCollator *coll,
630  const UChar *source, int32_t sourceLength,
631  const UChar *target, int32_t targetLength);
632 
647 U_STABLE UBool U_EXPORT2
648 ucol_equal(const UCollator *coll,
649  const UChar *source, int32_t sourceLength,
650  const UChar *target, int32_t targetLength);
651 
664 U_STABLE UCollationResult U_EXPORT2
665 ucol_strcollIter( const UCollator *coll,
666  UCharIterator *sIter,
667  UCharIterator *tIter,
668  UErrorCode *status);
669 
679 U_STABLE UCollationStrength U_EXPORT2
680 ucol_getStrength(const UCollator *coll);
681 
691 U_STABLE void U_EXPORT2
693  UCollationStrength strength);
694 
711 U_STABLE int32_t U_EXPORT2
712 ucol_getReorderCodes(const UCollator* coll,
713  int32_t* dest,
714  int32_t destCapacity,
715  UErrorCode *pErrorCode);
756 U_STABLE void U_EXPORT2
758  const int32_t* reorderCodes,
759  int32_t reorderCodesLength,
760  UErrorCode *pErrorCode);
761 
781 U_STABLE int32_t U_EXPORT2
782 ucol_getEquivalentReorderCodes(int32_t reorderCode,
783  int32_t* dest,
784  int32_t destCapacity,
785  UErrorCode *pErrorCode);
786 
799 U_STABLE int32_t U_EXPORT2
800 ucol_getDisplayName( const char *objLoc,
801  const char *dispLoc,
802  UChar *result,
803  int32_t resultLength,
804  UErrorCode *status);
805 
815 U_STABLE const char* U_EXPORT2
816 ucol_getAvailable(int32_t localeIndex);
817 
826 U_STABLE int32_t U_EXPORT2
827 ucol_countAvailable(void);
828 
829 #if !UCONFIG_NO_SERVICE
830 
838 U_STABLE UEnumeration* U_EXPORT2
840 #endif
841 
851 U_STABLE UEnumeration* U_EXPORT2
853 
865 U_STABLE UEnumeration* U_EXPORT2
866 ucol_getKeywordValues(const char *keyword, UErrorCode *status);
867 
884 U_STABLE UEnumeration* U_EXPORT2
885 ucol_getKeywordValuesForLocale(const char* key,
886  const char* locale,
887  UBool commonlyUsed,
888  UErrorCode* status);
889 
921 U_STABLE int32_t U_EXPORT2
922 ucol_getFunctionalEquivalent(char* result, int32_t resultCapacity,
923  const char* keyword, const char* locale,
924  UBool* isAvailable, UErrorCode* status);
925 
934 U_STABLE const UChar* U_EXPORT2
935 ucol_getRules( const UCollator *coll,
936  int32_t *length);
937 
938 #ifndef U_HIDE_DEPRECATED_API
939 
959 U_DEPRECATED int32_t U_EXPORT2
961  const char *locale,
962  char *buffer,
963  int32_t capacity,
964  UErrorCode *status);
965 
986 U_DEPRECATED int32_t U_EXPORT2
987 ucol_normalizeShortDefinitionString(const char *source,
988  char *destination,
989  int32_t capacity,
990  UParseError *parseError,
991  UErrorCode *status);
992 #endif /* U_HIDE_DEPRECATED_API */
993 
994 
1017 U_STABLE int32_t U_EXPORT2
1018 ucol_getSortKey(const UCollator *coll,
1019  const UChar *source,
1020  int32_t sourceLength,
1021  uint8_t *result,
1022  int32_t resultLength);
1023 
1024 
1045 U_STABLE int32_t U_EXPORT2
1046 ucol_nextSortKeyPart(const UCollator *coll,
1047  UCharIterator *iter,
1048  uint32_t state[2],
1049  uint8_t *dest, int32_t count,
1050  UErrorCode *status);
1051 
1059 typedef enum {
1066 #ifndef U_HIDE_DEPRECATED_API
1067 
1072 #endif /* U_HIDE_DEPRECATED_API */
1073 } UColBoundMode;
1074 
1112 U_STABLE int32_t U_EXPORT2
1113 ucol_getBound(const uint8_t *source,
1114  int32_t sourceLength,
1115  UColBoundMode boundType,
1116  uint32_t noOfLevels,
1117  uint8_t *result,
1118  int32_t resultLength,
1119  UErrorCode *status);
1120 
1129 U_STABLE void U_EXPORT2
1130 ucol_getVersion(const UCollator* coll, UVersionInfo info);
1131 
1139 U_STABLE void U_EXPORT2
1140 ucol_getUCAVersion(const UCollator* coll, UVersionInfo info);
1141 
1189 U_STABLE int32_t U_EXPORT2
1190 ucol_mergeSortkeys(const uint8_t *src1, int32_t src1Length,
1191  const uint8_t *src2, int32_t src2Length,
1192  uint8_t *dest, int32_t destCapacity);
1193 
1205 U_STABLE void U_EXPORT2
1207 
1219 U_STABLE UColAttributeValue U_EXPORT2
1220 ucol_getAttribute(const UCollator *coll, UColAttribute attr, UErrorCode *status);
1221 
1238 U_STABLE void U_EXPORT2
1239 ucol_setMaxVariable(UCollator *coll, UColReorderCode group, UErrorCode *pErrorCode);
1240 
1248 U_STABLE UColReorderCode U_EXPORT2
1249 ucol_getMaxVariable(const UCollator *coll);
1250 
1251 #ifndef U_HIDE_DEPRECATED_API
1252 
1272 U_DEPRECATED uint32_t U_EXPORT2
1274  const UChar *varTop, int32_t len,
1275  UErrorCode *status);
1276 #endif /* U_HIDE_DEPRECATED_API */
1277 
1289 U_STABLE uint32_t U_EXPORT2 ucol_getVariableTop(const UCollator *coll, UErrorCode *status);
1290 
1291 #ifndef U_HIDE_DEPRECATED_API
1292 
1306 U_DEPRECATED void U_EXPORT2
1307 ucol_restoreVariableTop(UCollator *coll, const uint32_t varTop, UErrorCode *status);
1308 #endif /* U_HIDE_DEPRECATED_API */
1309 
1333 U_STABLE UCollator* U_EXPORT2
1334 ucol_safeClone(const UCollator *coll,
1335  void *stackBuffer,
1336  int32_t *pBufferSize,
1337  UErrorCode *status);
1338 
1339 #ifndef U_HIDE_DEPRECATED_API
1340 
1344 #define U_COL_SAFECLONE_BUFFERSIZE 1
1345 
1346 #endif /* U_HIDE_DEPRECATED_API */
1347 
1363 U_STABLE int32_t U_EXPORT2
1364 ucol_getRulesEx(const UCollator *coll, UColRuleOption delta, UChar *buffer, int32_t bufferLen);
1365 
1366 #ifndef U_HIDE_DEPRECATED_API
1367 
1381 U_DEPRECATED const char * U_EXPORT2
1382 ucol_getLocale(const UCollator *coll, ULocDataLocaleType type, UErrorCode *status);
1383 #endif /* U_HIDE_DEPRECATED_API */
1384 
1399 U_STABLE const char * U_EXPORT2
1400 ucol_getLocaleByType(const UCollator *coll, ULocDataLocaleType type, UErrorCode *status);
1401 
1412 U_STABLE USet * U_EXPORT2
1413 ucol_getTailoredSet(const UCollator *coll, UErrorCode *status);
1414 
1415 #ifndef U_HIDE_INTERNAL_API
1416 
1427 U_INTERNAL int32_t U_EXPORT2
1428 ucol_getUnsafeSet( const UCollator *coll,
1429  USet *unsafe,
1430  UErrorCode *status);
1431 
1452 U_INTERNAL void U_EXPORT2
1453 ucol_prepareShortStringOpen( const char *definition,
1454  UBool forceDefaults,
1455  UParseError *parseError,
1456  UErrorCode *status);
1457 #endif /* U_HIDE_INTERNAL_API */
1458 
1470 U_STABLE int32_t U_EXPORT2
1471 ucol_cloneBinary(const UCollator *coll,
1472  uint8_t *buffer, int32_t capacity,
1473  UErrorCode *status);
1474 
1492 U_STABLE UCollator* U_EXPORT2
1493 ucol_openBinary(const uint8_t *bin, int32_t length,
1494  const UCollator *base,
1495  UErrorCode *status);
1496 
1497 
1498 #endif /* #if !UCONFIG_NO_COLLATION */
1499 
1500 #endif
"Smart pointer" class, closes a UCollator via ucol_close().
uint8_t UVersionInfo[U_MAX_VERSION_LENGTH]
The binary form of a version on ICU APIs is an array of 4 uint8_t.
Definition: uversion.h:59
const UChar * ucol_getRules(const UCollator *coll, int32_t *length)
Get the collation tailoring rules from a UCollator.
Characters with the currency property.
Definition: ucol.h:194
string a < string b
Definition: ucol.h:79
Turn the feature on - works for UCOL_FRENCH_COLLATION, UCOL_CASE_LEVEL, UCOL_HIRAGANA_QUATERNARY_MODE...
Definition: ucol.h:115
Characters with the symbol property.
Definition: ucol.h:188
void ucol_setMaxVariable(UCollator *coll, UColReorderCode group, UErrorCode *pErrorCode)
Sets the variable top to the top of the specified reordering group.
Retrieves the "UCA rules" concatenated with the tailoring rules.
Definition: ucol.h:373
UBool ucol_equal(const UCollator *coll, const UChar *source, int32_t sourceLength, const UChar *target, int32_t targetLength)
Compare two strings for equality.
A special reordering code that is used to specify all other codes used for reordering except for the ...
Definition: ucol.h:164
UColAttributeValue ucol_getAttribute(const UCollator *coll, UColAttribute attr, UErrorCode *status)
Universal attribute getter.
void ucol_getUCAVersion(const UCollator *coll, UVersionInfo info)
Gets the UCA version information for a Collator.
UCollationResult ucol_strcoll(const UCollator *coll, const UChar *source, int32_t sourceLength, const UChar *target, int32_t targetLength)
Compare two strings.
upper bound that will match all the strings that have the same initial substring as the given string ...
Definition: ucol.h:1065
int32_t ucol_getSortKey(const UCollator *coll, const UChar *source, int32_t sourceLength, uint8_t *result, int32_t resultLength)
Get a sort key for a string from a UCollator.
One more than the highest normal UColAttributeValue value.
Definition: ucol.h:133
lower bound
Definition: ucol.h:1061
Controls the ordering of upper and lower case letters.
Definition: ucol.h:269
int32_t ucol_getReorderCodes(const UCollator *coll, int32_t *dest, int32_t destCapacity, UErrorCode *pErrorCode)
Retrieves the reordering codes for this collator.
UCollationResult
UCOL_LESS is returned if source string is compared to be less than target string in the ucol_strcoll(...
Definition: ucol.h:73
Retrieves the tailoring rules only.
Definition: ucol.h:365
int32_t ucol_getEquivalentReorderCodes(int32_t reorderCode, int32_t *dest, int32_t destCapacity, UErrorCode *pErrorCode)
Retrieves the reorder codes that are grouped with the given reorder code.
uint32_t ucol_setVariableTop(UCollator *coll, const UChar *varTop, int32_t len, UErrorCode *status)
Sets the variable top to the primary weight of the specified string.
Valid for UCOL_ALTERNATE_HANDLING.
Definition: ucol.h:120
Controls whether the normalization check and necessary normalizations are performed.
Definition: ucol.h:289
struct UEnumeration UEnumeration
structure representing an enumeration object instance
Definition: uenum.h:43
int32_t ucol_countAvailable(void)
Determine how many locales have collation rules available.
void ucol_getContractionsAndExpansions(const UCollator *coll, USet *contractions, USet *expansions, UBool addPrefixes, UErrorCode *status)
Get a set containing the expansions defined by the collator.
C API for code unit iteration.
Definition: uiter.h:341
USet * ucol_getTailoredSet(const UCollator *coll, UErrorCode *status)
Get a Unicode set that contains all the characters and sequences tailored in this collator...
accepted by most attributes
Definition: ucol.h:91
#define U_INTERNAL
This is used to declare a function as an internal ICU C API.
Definition: umachine.h:119
string a == string b
Definition: ucol.h:75
int32_t ucol_getRulesEx(const UCollator *coll, UColRuleOption delta, UChar *buffer, int32_t bufferLen)
Returns current rules.
UColAttributeValue UCollationStrength
Base letter represents a primary difference.
Definition: ucol.h:236
Characters with the digit property.
Definition: ucol.h:200
Default collation strength.
Definition: ucol.h:100
Valid for UCOL_CASE_FIRST - lower case sorts before upper case.
Definition: ucol.h:124
C API: Unicode Script Information.
C API: Unicode Set.
UColReorderCode
Enum containing the codes for reordering segments of the collation table that are not script codes...
Definition: ucol.h:146
void ucol_setReorderCodes(UCollator *coll, const int32_t *reorderCodes, int32_t reorderCodesLength, UErrorCode *pErrorCode)
Sets the reordering codes for this collator.
UColAttribute
Attributes that collation service understands.
Definition: ucol.h:242
Turn the feature off - works for UCOL_FRENCH_COLLATION, UCOL_CASE_LEVEL, UCOL_HIRAGANA_QUATERNARY_MOD...
Definition: ucol.h:111
#define U_DEPRECATED
This is used to declare a function as a deprecated public ICU C API.
Definition: umachine.h:115
uint32_t ucol_getVariableTop(const UCollator *coll, UErrorCode *status)
Gets the variable top value of a Collator.
UEnumeration * ucol_openAvailableLocales(UErrorCode *status)
Create a string enumerator of all locales for which a valid collator may be opened.
A special reordering code that is used to specify no reordering codes.
Definition: ucol.h:157
upper bound that will match strings of exact size
Definition: ucol.h:1063
Attribute for direction of secondary weights - used in Canadian French.
Definition: ucol.h:249
The strength attribute.
Definition: ucol.h:310
When turned on, this attribute makes substrings of digits sort according to their numeric values...
Definition: ucol.h:343
int32_t ucol_cloneBinary(const UCollator *coll, uint8_t *buffer, int32_t capacity, UErrorCode *status)
Creates a binary image of a collator.
Secondary collation strength.
Definition: ucol.h:96
#define U_DEFINE_LOCAL_OPEN_POINTER(LocalPointerClassName, Type, closeFunction)
"Smart pointer" definition macro, deletes objects via the closeFunction.
Definition: localpointer.h:562
void ucol_restoreVariableTop(UCollator *coll, const uint32_t varTop, UErrorCode *status)
Sets the variable top to the specified primary weight.
When turned on, this attribute positions Hiragana before all non-ignorables on quaternary level This ...
Definition: ucol.h:323
Controls whether an extra case level (positioned before the third level) is generated or not...
Definition: ucol.h:279
C++ API: "Smart pointers" for use with and in ICU4C C++ code.
int32_t ucol_mergeSortkeys(const uint8_t *src1, int32_t src1Length, const uint8_t *src2, int32_t src2Length, uint8_t *dest, int32_t destCapacity)
Merges two sort keys.
C API: Unicode Normalization.
int32_t ucol_getContractions(const UCollator *coll, USet *conts, UErrorCode *status)
Get a set containing the contractions defined by the collator.
upper case sorts before lower case
Definition: ucol.h:126
The first entry in the enumeration of reordering groups.
Definition: ucol.h:176
int32_t ucol_nextSortKeyPart(const UCollator *coll, UCharIterator *iter, uint32_t state[2], uint8_t *dest, int32_t count, UErrorCode *status)
Gets the next count bytes of a sort key.
UCollator * ucol_openBinary(const uint8_t *bin, int32_t length, const UCollator *base, UErrorCode *status)
Opens a collator from a collator binary image created using ucol_cloneBinary.
void ucol_prepareShortStringOpen(const char *definition, UBool forceDefaults, UParseError *parseError, UErrorCode *status)
Touches all resources needed for instantiating a collator from a short string definition, thus filling up the cache.
const char * ucol_getAvailable(int32_t localeIndex)
Get a locale for which collation rules are available.
void ucol_close(UCollator *coll)
Close a UCollator.
Tertiary collation strength.
Definition: ucol.h:98
UCollationResult ucol_strcollIter(const UCollator *coll, UCharIterator *sIter, UCharIterator *tIter, UErrorCode *status)
Compare two UTF-8 encoded trings.
int32_t ucol_getDisplayName(const char *objLoc, const char *dispLoc, UChar *result, int32_t resultLength, UErrorCode *status)
Get the display name for a UCollator.
UEnumeration * ucol_getKeywordValuesForLocale(const char *key, const char *locale, UBool commonlyUsed, UErrorCode *status)
Given a key and a locale, returns an array of string values in a preferred order that would make a di...
A special reordering code that is used to specify the default reordering codes for a locale...
Definition: ucol.h:152
const char * ucol_getLocale(const UCollator *coll, ULocDataLocaleType type, UErrorCode *status)
gets the locale name of the collator.
void ucol_getVersion(const UCollator *coll, UVersionInfo info)
Gets the version information for a Collator.
uint16_t UChar
The base type for UTF-16 code units and pointers.
Definition: umachine.h:378
UBool ucol_greaterOrEqual(const UCollator *coll, const UChar *source, int32_t sourceLength, const UChar *target, int32_t targetLength)
Determine if one string is greater than or equal to another.
string a > string b
Definition: ucol.h:77
C API: Parse Error Information.
int32_t ucol_normalizeShortDefinitionString(const char *source, char *destination, int32_t capacity, UParseError *parseError, UErrorCode *status)
Verifies and normalizes short definition string.
UCollator * ucol_openRules(const UChar *rules, int32_t rulesLength, UColAttributeValue normalizationMode, UCollationStrength strength, UParseError *parseError, UErrorCode *status)
Produce a UCollator instance according to the rules supplied.
int32_t ucol_getShortDefinitionString(const UCollator *coll, const char *locale, char *buffer, int32_t capacity, UErrorCode *status)
Get the short definition string for a collator.
UBool ucol_greater(const UCollator *coll, const UChar *source, int32_t sourceLength, const UChar *target, int32_t targetLength)
Determine if one string is greater than another.
void ucol_setAttribute(UCollator *coll, UColAttribute attr, UColAttributeValue value, UErrorCode *status)
Universal attribute setter.
One more than the highest normal UColBoundMode value.
Definition: ucol.h:1071
UErrorCode
Standard ICU4C error code type, a substitute for exceptions.
Definition: utypes.h:415
ULocDataLocaleType
Constants for *_getLocale() Allow user to select whether she wants information on requested...
Definition: uloc.h:338
struct USet USet
USet is the C API type corresponding to C++ class UnicodeSet.
Definition: uset.h:47
int32_t ucol_getUnsafeSet(const UCollator *coll, USet *unsafe, UErrorCode *status)
Calculates the set of unsafe code points, given a collator.
UEnumeration * ucol_getKeywordValues(const char *keyword, UErrorCode *status)
Given a keyword, create a string enumeration of all values for that keyword that are currently in use...
const char * ucol_getLocaleByType(const UCollator *coll, ULocDataLocaleType type, UErrorCode *status)
gets the locale name of the collator.
int32_t ucol_getFunctionalEquivalent(char *result, int32_t resultCapacity, const char *keyword, const char *locale, UBool *isAvailable, UErrorCode *status)
Return the functionally equivalent locale for the specified input locale, with respect to given keywo...
Characters with the punctuation property.
Definition: ucol.h:182
UColBoundMode
enum that is taken by ucol_getBound API See below for explanation do not change the values assigned t...
Definition: ucol.h:1059
void ucol_setStrength(UCollator *coll, UCollationStrength strength)
Set the collation strength used in a UCollator.
UCollationResult ucol_strcollUTF8(const UCollator *coll, const char *source, int32_t sourceLength, const char *target, int32_t targetLength, UErrorCode *status)
Compare two strings in UTF-8.
struct UCollator UCollator
structure representing a collator object instance
Definition: ucol.h:58
UColReorderCode ucol_getMaxVariable(const UCollator *coll)
Returns the maximum reordering group whose characters are affected by UCOL_ALTERNATE_HANDLING.
Valid for UCOL_ALTERNATE_HANDLING.
Definition: ucol.h:118
A UParseError struct is used to returned detailed information about parsing errors.
Definition: parseerr.h:58
UCollator * ucol_safeClone(const UCollator *coll, void *stackBuffer, int32_t *pBufferSize, UErrorCode *status)
Thread safe cloning operation.
Basic definitions for ICU, for both C and C++ APIs.
int32_t ucol_getBound(const uint8_t *source, int32_t sourceLength, UColBoundMode boundType, uint32_t noOfLevels, uint8_t *result, int32_t resultLength, UErrorCode *status)
Produce a bound for a given sortkey and a number of levels.
Identical collation strength.
Definition: ucol.h:105
UCollator * ucol_openFromShortString(const char *definition, UBool forceDefaults, UParseError *parseError, UErrorCode *status)
Open a collator defined by a short form string.
Quaternary collation strength.
Definition: ucol.h:103
Attribute for handling variable elements.
Definition: ucol.h:260
An alias for UCOL_NORMALIZATION_MODE attribute.
Definition: ucol.h:293
UColAttributeValue
Enum containing attribute values for controling collation behavior.
Definition: ucol.h:89
UEnumeration * ucol_getKeywords(UErrorCode *status)
Create a string enumerator of all possible keywords that are relevant to collation.
UCollator * ucol_open(const char *loc, UErrorCode *status)
Open a UCollator for comparing strings.
Characters with the space property.
Definition: ucol.h:170
UColRuleOption
Options for retrieving the rule string.
Definition: ucol.h:359
One more than the highest normal UColAttribute value.
Definition: ucol.h:352
UCollationStrength ucol_getStrength(const UCollator *coll)
Get the collation strength used in a UCollator.
Primary collation strength.
Definition: ucol.h:94
#define U_STABLE
This is used to declare a function as a stable public ICU C API.
Definition: umachine.h:111
int8_t UBool
The ICU boolean type.
Definition: umachine.h:261
One more than the highest normal UColReorderCode value.
Definition: ucol.h:206
C API: Locale.