ICU 57.1  57.1
ucol.h
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1 /*
2 *******************************************************************************
3 * Copyright (c) 1996-2015, International Business Machines Corporation and others.
4 * All Rights Reserved.
5 *******************************************************************************
6 */
7 
8 #ifndef UCOL_H
9 #define UCOL_H
10 
11 #include "unicode/utypes.h"
12 
13 #if !UCONFIG_NO_COLLATION
14 
15 #include "unicode/unorm.h"
16 #include "unicode/localpointer.h"
17 #include "unicode/parseerr.h"
18 #include "unicode/uloc.h"
19 #include "unicode/uset.h"
20 #include "unicode/uscript.h"
21 
52 struct UCollator;
56 typedef struct UCollator UCollator;
57 
58 
71 typedef enum {
77  UCOL_LESS = -1
79 
80 
87 typedef enum {
90 
99  UCOL_CE_STRENGTH_LIMIT,
104  UCOL_STRENGTH_LIMIT,
105 
109  UCOL_OFF = 16,
113  UCOL_ON = 17,
114 
119 
125 
126  UCOL_ATTRIBUTE_VALUE_COUNT
127 
129 
139  typedef enum {
201 
229 
234 typedef enum {
303 #ifndef U_HIDE_DEPRECATED_API
304 
316 #endif /* U_HIDE_DEPRECATED_API */
317 
341 } UColAttribute;
342 
346 typedef enum {
361 } UColRuleOption ;
362 
388 U_STABLE UCollator* U_EXPORT2
389 ucol_open(const char *loc, UErrorCode *status);
390 
416 U_STABLE UCollator* U_EXPORT2
417 ucol_openRules( const UChar *rules,
418  int32_t rulesLength,
419  UColAttributeValue normalizationMode,
420  UCollationStrength strength,
421  UParseError *parseError,
422  UErrorCode *status);
423 
424 #ifndef U_HIDE_DEPRECATED_API
425 
458 U_DEPRECATED UCollator* U_EXPORT2
459 ucol_openFromShortString( const char *definition,
460  UBool forceDefaults,
461  UParseError *parseError,
462  UErrorCode *status);
463 #endif /* U_HIDE_DEPRECATED_API */
464 
465 #ifndef U_HIDE_DEPRECATED_API
466 
479 U_DEPRECATED int32_t U_EXPORT2
480 ucol_getContractions( const UCollator *coll,
481  USet *conts,
482  UErrorCode *status);
483 #endif /* U_HIDE_DEPRECATED_API */
484 
496 U_STABLE void U_EXPORT2
498  USet *contractions, USet *expansions,
499  UBool addPrefixes, UErrorCode *status);
500 
511 U_STABLE void U_EXPORT2
512 ucol_close(UCollator *coll);
513 
514 #if U_SHOW_CPLUSPLUS_API
515 
517 
528 
530 
531 #endif
532 
548 U_STABLE UCollationResult U_EXPORT2
549 ucol_strcoll( const UCollator *coll,
550  const UChar *source,
551  int32_t sourceLength,
552  const UChar *target,
553  int32_t targetLength);
554 
573 U_STABLE UCollationResult U_EXPORT2
575  const UCollator *coll,
576  const char *source,
577  int32_t sourceLength,
578  const char *target,
579  int32_t targetLength,
580  UErrorCode *status);
581 
596 U_STABLE UBool U_EXPORT2
597 ucol_greater(const UCollator *coll,
598  const UChar *source, int32_t sourceLength,
599  const UChar *target, int32_t targetLength);
600 
615 U_STABLE UBool U_EXPORT2
616 ucol_greaterOrEqual(const UCollator *coll,
617  const UChar *source, int32_t sourceLength,
618  const UChar *target, int32_t targetLength);
619 
634 U_STABLE UBool U_EXPORT2
635 ucol_equal(const UCollator *coll,
636  const UChar *source, int32_t sourceLength,
637  const UChar *target, int32_t targetLength);
638 
651 U_STABLE UCollationResult U_EXPORT2
652 ucol_strcollIter( const UCollator *coll,
653  UCharIterator *sIter,
654  UCharIterator *tIter,
655  UErrorCode *status);
656 
666 U_STABLE UCollationStrength U_EXPORT2
667 ucol_getStrength(const UCollator *coll);
668 
678 U_STABLE void U_EXPORT2
680  UCollationStrength strength);
681 
698 U_STABLE int32_t U_EXPORT2
699 ucol_getReorderCodes(const UCollator* coll,
700  int32_t* dest,
701  int32_t destCapacity,
702  UErrorCode *pErrorCode);
743 U_STABLE void U_EXPORT2
745  const int32_t* reorderCodes,
746  int32_t reorderCodesLength,
747  UErrorCode *pErrorCode);
748 
768 U_STABLE int32_t U_EXPORT2
769 ucol_getEquivalentReorderCodes(int32_t reorderCode,
770  int32_t* dest,
771  int32_t destCapacity,
772  UErrorCode *pErrorCode);
773 
786 U_STABLE int32_t U_EXPORT2
787 ucol_getDisplayName( const char *objLoc,
788  const char *dispLoc,
789  UChar *result,
790  int32_t resultLength,
791  UErrorCode *status);
792 
802 U_STABLE const char* U_EXPORT2
803 ucol_getAvailable(int32_t localeIndex);
804 
813 U_STABLE int32_t U_EXPORT2
814 ucol_countAvailable(void);
815 
816 #if !UCONFIG_NO_SERVICE
817 
825 U_STABLE UEnumeration* U_EXPORT2
827 #endif
828 
838 U_STABLE UEnumeration* U_EXPORT2
840 
852 U_STABLE UEnumeration* U_EXPORT2
853 ucol_getKeywordValues(const char *keyword, UErrorCode *status);
854 
871 U_STABLE UEnumeration* U_EXPORT2
872 ucol_getKeywordValuesForLocale(const char* key,
873  const char* locale,
874  UBool commonlyUsed,
875  UErrorCode* status);
876 
908 U_STABLE int32_t U_EXPORT2
909 ucol_getFunctionalEquivalent(char* result, int32_t resultCapacity,
910  const char* keyword, const char* locale,
911  UBool* isAvailable, UErrorCode* status);
912 
921 U_STABLE const UChar* U_EXPORT2
922 ucol_getRules( const UCollator *coll,
923  int32_t *length);
924 
925 #ifndef U_HIDE_DEPRECATED_API
926 
946 U_DEPRECATED int32_t U_EXPORT2
948  const char *locale,
949  char *buffer,
950  int32_t capacity,
951  UErrorCode *status);
952 
973 U_DEPRECATED int32_t U_EXPORT2
974 ucol_normalizeShortDefinitionString(const char *source,
975  char *destination,
976  int32_t capacity,
977  UParseError *parseError,
978  UErrorCode *status);
979 #endif /* U_HIDE_DEPRECATED_API */
980 
981 
1004 U_STABLE int32_t U_EXPORT2
1005 ucol_getSortKey(const UCollator *coll,
1006  const UChar *source,
1007  int32_t sourceLength,
1008  uint8_t *result,
1009  int32_t resultLength);
1010 
1011 
1032 U_STABLE int32_t U_EXPORT2
1033 ucol_nextSortKeyPart(const UCollator *coll,
1034  UCharIterator *iter,
1035  uint32_t state[2],
1036  uint8_t *dest, int32_t count,
1037  UErrorCode *status);
1038 
1046 typedef enum {
1053  UCOL_BOUND_VALUE_COUNT
1054 } UColBoundMode;
1055 
1093 U_STABLE int32_t U_EXPORT2
1094 ucol_getBound(const uint8_t *source,
1095  int32_t sourceLength,
1096  UColBoundMode boundType,
1097  uint32_t noOfLevels,
1098  uint8_t *result,
1099  int32_t resultLength,
1100  UErrorCode *status);
1101 
1110 U_STABLE void U_EXPORT2
1111 ucol_getVersion(const UCollator* coll, UVersionInfo info);
1112 
1120 U_STABLE void U_EXPORT2
1121 ucol_getUCAVersion(const UCollator* coll, UVersionInfo info);
1122 
1170 U_STABLE int32_t U_EXPORT2
1171 ucol_mergeSortkeys(const uint8_t *src1, int32_t src1Length,
1172  const uint8_t *src2, int32_t src2Length,
1173  uint8_t *dest, int32_t destCapacity);
1174 
1186 U_STABLE void U_EXPORT2
1188 
1200 U_STABLE UColAttributeValue U_EXPORT2
1201 ucol_getAttribute(const UCollator *coll, UColAttribute attr, UErrorCode *status);
1202 
1219 U_STABLE void U_EXPORT2
1220 ucol_setMaxVariable(UCollator *coll, UColReorderCode group, UErrorCode *pErrorCode);
1221 
1229 U_STABLE UColReorderCode U_EXPORT2
1230 ucol_getMaxVariable(const UCollator *coll);
1231 
1232 #ifndef U_HIDE_DEPRECATED_API
1233 
1253 U_DEPRECATED uint32_t U_EXPORT2
1255  const UChar *varTop, int32_t len,
1256  UErrorCode *status);
1257 #endif /* U_HIDE_DEPRECATED_API */
1258 
1270 U_STABLE uint32_t U_EXPORT2 ucol_getVariableTop(const UCollator *coll, UErrorCode *status);
1271 
1272 #ifndef U_HIDE_DEPRECATED_API
1273 
1286 U_DEPRECATED void U_EXPORT2
1287 ucol_restoreVariableTop(UCollator *coll, const uint32_t varTop, UErrorCode *status);
1288 #endif /* U_HIDE_DEPRECATED_API */
1289 
1313 U_STABLE UCollator* U_EXPORT2
1314 ucol_safeClone(const UCollator *coll,
1315  void *stackBuffer,
1316  int32_t *pBufferSize,
1317  UErrorCode *status);
1318 
1319 #ifndef U_HIDE_DEPRECATED_API
1320 
1324 #define U_COL_SAFECLONE_BUFFERSIZE 1
1325 
1326 #endif /* U_HIDE_DEPRECATED_API */
1327 
1343 U_STABLE int32_t U_EXPORT2
1344 ucol_getRulesEx(const UCollator *coll, UColRuleOption delta, UChar *buffer, int32_t bufferLen);
1345 
1346 #ifndef U_HIDE_DEPRECATED_API
1347 
1361 U_DEPRECATED const char * U_EXPORT2
1362 ucol_getLocale(const UCollator *coll, ULocDataLocaleType type, UErrorCode *status);
1363 #endif /* U_HIDE_DEPRECATED_API */
1364 
1379 U_STABLE const char * U_EXPORT2
1380 ucol_getLocaleByType(const UCollator *coll, ULocDataLocaleType type, UErrorCode *status);
1381 
1392 U_STABLE USet * U_EXPORT2
1393 ucol_getTailoredSet(const UCollator *coll, UErrorCode *status);
1394 
1395 #ifndef U_HIDE_INTERNAL_API
1396 
1407 U_INTERNAL int32_t U_EXPORT2
1408 ucol_getUnsafeSet( const UCollator *coll,
1409  USet *unsafe,
1410  UErrorCode *status);
1411 
1432 U_INTERNAL void U_EXPORT2
1433 ucol_prepareShortStringOpen( const char *definition,
1434  UBool forceDefaults,
1435  UParseError *parseError,
1436  UErrorCode *status);
1437 #endif /* U_HIDE_INTERNAL_API */
1438 
1450 U_STABLE int32_t U_EXPORT2
1451 ucol_cloneBinary(const UCollator *coll,
1452  uint8_t *buffer, int32_t capacity,
1453  UErrorCode *status);
1454 
1472 U_STABLE UCollator* U_EXPORT2
1473 ucol_openBinary(const uint8_t *bin, int32_t length,
1474  const UCollator *base,
1475  UErrorCode *status);
1476 
1477 
1478 #endif /* #if !UCONFIG_NO_COLLATION */
1479 
1480 #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:57
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:187
string a < string b
Definition: ucol.h:77
Turn the feature on - works for UCOL_FRENCH_COLLATION, UCOL_CASE_LEVEL, UCOL_HIRAGANA_QUATERNARY_MODE...
Definition: ucol.h:113
Characters with the symbol property.
Definition: ucol.h:181
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:360
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:157
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:1052
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.
lower bound
Definition: ucol.h:1048
Controls the ordering of upper and lower case letters.
Definition: ucol.h:261
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:71
Retrieves the tailoring rules only.
Definition: ucol.h:352
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:118
Controls whether the normalization check and necessary normalizations are performed.
Definition: ucol.h:281
struct UEnumeration UEnumeration
structure representing an enumeration object instance
Definition: uenum.h:39
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:339
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:89
#define U_INTERNAL
This is used to declare a function as an internal ICU C API.
Definition: umachine.h:117
string a == string b
Definition: ucol.h:73
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:228
Characters with the digit property.
Definition: ucol.h:193
Default collation strength.
Definition: ucol.h:98
Valid for UCOL_CASE_FIRST - lower case sorts before upper case.
Definition: ucol.h:122
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:139
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:234
Turn the feature off - works for UCOL_FRENCH_COLLATION, UCOL_CASE_LEVEL, UCOL_HIRAGANA_QUATERNARY_MOD...
Definition: ucol.h:109
#define U_DEPRECATED
This is used to declare a function as a deprecated public ICU C API.
Definition: umachine.h:113
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:150
#define U_NAMESPACE_BEGIN
This is used to begin a declaration of a public ICU C++ API.
Definition: uversion.h:129
upper bound that will match strings of exact size
Definition: ucol.h:1050
Attribute for direction of secondary weights - used in Canadian French.
Definition: ucol.h:241
The strength attribute.
Definition: ucol.h:302
When turned on, this attribute makes substrings of digits sort according to their numeric values...
Definition: ucol.h:335
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:94
#define U_DEFINE_LOCAL_OPEN_POINTER(LocalPointerClassName, Type, closeFunction)
"Smart pointer" definition macro, deletes objects via the closeFunction.
Definition: localpointer.h:539
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:315
Controls whether an extra case level (positioned before the third level) is generated or not...
Definition: ucol.h:271
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:124
The first entry in the enumeration of reordering groups.
Definition: ucol.h:169
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:96
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:145
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
Define UChar to be UCHAR_TYPE, if that is #defined (for example, to char16_t), or wchar_t if that is ...
Definition: umachine.h:312
#define U_NAMESPACE_END
This is used to end a declaration of a public ICU C++ API.
Definition: uversion.h:130
struct USet USet
Definition: ucnv.h:67
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:75
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.
UErrorCode
Error code to replace exception handling, so that the code is compatible with all C++ compilers...
Definition: utypes.h:476
ULocDataLocaleType
Constants for *_getLocale() Allow user to select whether she wants information on requested...
Definition: uloc.h:336
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:175
UColBoundMode
enum that is taken by ucol_getBound API See below for explanation do not change the values assigned t...
Definition: ucol.h:1046
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:56
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:116
A UParseError struct is used to returned detailed information about parsing errors.
Definition: parseerr.h:56
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:103
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:101
Attribute for handling variable elements.
Definition: ucol.h:252
An alias for UCOL_NORMALIZATION_MODE attribute.
Definition: ucol.h:285
UColAttributeValue
Enum containing attribute values for controling collation behavior.
Definition: ucol.h:87
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:163
UColRuleOption
Options for retrieving the rule string.
Definition: ucol.h:346
The number of UColAttribute constants.
Definition: ucol.h:340
UCollationStrength ucol_getStrength(const UCollator *coll)
Get the collation strength used in a UCollator.
Primary collation strength.
Definition: ucol.h:92
#define U_STABLE
This is used to declare a function as a stable public ICU C API.
Definition: umachine.h:109
int8_t UBool
The ICU boolean type.
Definition: umachine.h:234
The limit of the reorder codes.
Definition: ucol.h:199
C API: Locale.