ICU 58.2 58.2

- Main Page
- Related Pages
- Modules
- Namespaces
- Data Structures
- Files

- File List
- Globals

ucol.h
Go to the documentation of this file.
1 // Copyright (C) 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 {
75 UCOL_EQUAL = 0,
77 UCOL_GREATER = 1,
79 UCOL_LESS = -1
80 } UCollationResult ;
81
82
89 typedef enum {
91 UCOL_DEFAULT = -1,
92
94 UCOL_PRIMARY = 0,
96 UCOL_SECONDARY = 1,
98 UCOL_TERTIARY = 2,
100 UCOL_DEFAULT_STRENGTH = UCOL_TERTIARY,
101 UCOL_CE_STRENGTH_LIMIT,
103 UCOL_QUATERNARY=3,
105 UCOL_IDENTICAL=15,
106 UCOL_STRENGTH_LIMIT,
107
111 UCOL_OFF = 16,
115 UCOL_ON = 17,
116
118 UCOL_SHIFTED = 20,
120 UCOL_NON_IGNORABLE = 21,
121
124 UCOL_LOWER_FIRST = 24,
126 UCOL_UPPER_FIRST = 25,
127
128 #ifndef U_HIDE_DEPRECATED_API
129
133 UCOL_ATTRIBUTE_VALUE_COUNT
134 #endif // U_HIDE_DEPRECATED_API
135 } UColAttributeValue;
136
146 typedef enum {
152 UCOL_REORDER_CODE_DEFAULT = -1,
157 UCOL_REORDER_CODE_NONE = USCRIPT_UNKNOWN,
164 UCOL_REORDER_CODE_OTHERS = USCRIPT_UNKNOWN,
170 UCOL_REORDER_CODE_SPACE = 0x1000,
176 UCOL_REORDER_CODE_FIRST = UCOL_REORDER_CODE_SPACE,
182 UCOL_REORDER_CODE_PUNCTUATION = 0x1001,
188 UCOL_REORDER_CODE_SYMBOL = 0x1002,
194 UCOL_REORDER_CODE_CURRENCY = 0x1003,
200 UCOL_REORDER_CODE_DIGIT = 0x1004,
201 #ifndef U_HIDE_DEPRECATED_API
202
206 UCOL_REORDER_CODE_LIMIT = 0x1005
207 #endif // U_HIDE_DEPRECATED_API
208 } UColReorderCode;
209
236 typedef UColAttributeValue UCollationStrength;
237
242 typedef enum {
249 UCOL_FRENCH_COLLATION,
260 UCOL_ALTERNATE_HANDLING,
269 UCOL_CASE_FIRST,
279 UCOL_CASE_LEVEL,
289 UCOL_NORMALIZATION_MODE,
293 UCOL_DECOMPOSITION_MODE = UCOL_NORMALIZATION_MODE,
310 UCOL_STRENGTH,
311 #ifndef U_HIDE_DEPRECATED_API
312
323 UCOL_HIRAGANA_QUATERNARY_MODE = UCOL_STRENGTH + 1,
324 #endif /* U_HIDE_DEPRECATED_API */
325
343 UCOL_NUMERIC_COLLATION = UCOL_STRENGTH + 2,
344
345 // Do not conditionalize the following with #ifndef U_HIDE_DEPRECATED_API,
346 // it is needed for layout of RuleBasedCollator object.
351 UCOL_ATTRIBUTE_COUNT
352 } UColAttribute;
353
357 typedef enum {
363 UCOL_TAILORING_ONLY,
371 UCOL_FULL_RULES
372 } UColRuleOption ;
373
399 U_STABLE UCollator* U_EXPORT2
400 ucol_open(const char *loc, UErrorCode *status);
401
427 U_STABLE UCollator* U_EXPORT2
428 ucol_openRules( const UChar *rules,
429 int32_t rulesLength,
430 UColAttributeValue normalizationMode,
431 UCollationStrength strength,
432 UParseError *parseError,
433 UErrorCode *status);
434
435 #ifndef U_HIDE_DEPRECATED_API
436
469 U_DEPRECATED UCollator* U_EXPORT2
470 ucol_openFromShortString( const char *definition,
471 UBool forceDefaults,
472 UParseError *parseError,
473 UErrorCode *status);
474 #endif /* U_HIDE_DEPRECATED_API */
475
476 #ifndef U_HIDE_DEPRECATED_API
477
490 U_DEPRECATED int32_t U_EXPORT2
491 ucol_getContractions( const UCollator *coll,
492 USet *conts,
493 UErrorCode *status);
494 #endif /* U_HIDE_DEPRECATED_API */
495
507 U_STABLE void U_EXPORT2
508 ucol_getContractionsAndExpansions( const UCollator *coll,
509 USet *contractions, USet *expansions,
510 UBool addPrefixes, UErrorCode *status);
511
522 U_STABLE void U_EXPORT2
523 ucol_close(UCollator *coll);
524
525 #if U_SHOW_CPLUSPLUS_API
526
527 U_NAMESPACE_BEGIN
528
538 U_DEFINE_LOCAL_OPEN_POINTER(LocalUCollatorPointer, UCollator, ucol_close);
539
540 U_NAMESPACE_END
541
542 #endif
543
559 U_STABLE UCollationResult U_EXPORT2
560 ucol_strcoll( const UCollator *coll,
561 const UChar *source,
562 int32_t sourceLength,
563 const UChar *target,
564 int32_t targetLength);
565
584 U_STABLE UCollationResult U_EXPORT2
585 ucol_strcollUTF8(
586 const UCollator *coll,
587 const char *source,
588 int32_t sourceLength,
589 const char *target,
590 int32_t targetLength,
591 UErrorCode *status);
592
607 U_STABLE UBool U_EXPORT2
608 ucol_greater(const UCollator *coll,
609 const UChar *source, int32_t sourceLength,
610 const UChar *target, int32_t targetLength);
611
626 U_STABLE UBool U_EXPORT2
627 ucol_greaterOrEqual(const UCollator *coll,
628 const UChar *source, int32_t sourceLength,
629 const UChar *target, int32_t targetLength);
630
645 U_STABLE UBool U_EXPORT2
646 ucol_equal(const UCollator *coll,
647 const UChar *source, int32_t sourceLength,
648 const UChar *target, int32_t targetLength);
649
662 U_STABLE UCollationResult U_EXPORT2
663 ucol_strcollIter( const UCollator *coll,
664 UCharIterator *sIter,
665 UCharIterator *tIter,
666 UErrorCode *status);
667
677 U_STABLE UCollationStrength U_EXPORT2
678 ucol_getStrength(const UCollator *coll);
679
689 U_STABLE void U_EXPORT2
690 ucol_setStrength(UCollator *coll,
691 UCollationStrength strength);
692
709 U_STABLE int32_t U_EXPORT2
710 ucol_getReorderCodes(const UCollator* coll,
711 int32_t* dest,
712 int32_t destCapacity,
713 UErrorCode *pErrorCode);
754 U_STABLE void U_EXPORT2
755 ucol_setReorderCodes(UCollator* coll,
756 const int32_t* reorderCodes,
757 int32_t reorderCodesLength,
758 UErrorCode *pErrorCode);
759
779 U_STABLE int32_t U_EXPORT2
780 ucol_getEquivalentReorderCodes(int32_t reorderCode,
781 int32_t* dest,
782 int32_t destCapacity,
783 UErrorCode *pErrorCode);
784
797 U_STABLE int32_t U_EXPORT2
798 ucol_getDisplayName( const char *objLoc,
799 const char *dispLoc,
800 UChar *result,
801 int32_t resultLength,
802 UErrorCode *status);
803
813 U_STABLE const char* U_EXPORT2
814 ucol_getAvailable(int32_t localeIndex);
815
824 U_STABLE int32_t U_EXPORT2
825 ucol_countAvailable(void);
826
827 #if !UCONFIG_NO_SERVICE
828
836 U_STABLE UEnumeration* U_EXPORT2
837 ucol_openAvailableLocales(UErrorCode *status);
838 #endif
839
849 U_STABLE UEnumeration* U_EXPORT2
850 ucol_getKeywords(UErrorCode *status);
851
863 U_STABLE UEnumeration* U_EXPORT2
864 ucol_getKeywordValues(const char *keyword, UErrorCode *status);
865
882 U_STABLE UEnumeration* U_EXPORT2
883 ucol_getKeywordValuesForLocale(const char* key,
884 const char* locale,
885 UBool commonlyUsed,
886 UErrorCode* status);
887
919 U_STABLE int32_t U_EXPORT2
920 ucol_getFunctionalEquivalent(char* result, int32_t resultCapacity,
921 const char* keyword, const char* locale,
922 UBool* isAvailable, UErrorCode* status);
923
932 U_STABLE const UChar* U_EXPORT2
933 ucol_getRules( const UCollator *coll,
934 int32_t *length);
935
936 #ifndef U_HIDE_DEPRECATED_API
937
957 U_DEPRECATED int32_t U_EXPORT2
958 ucol_getShortDefinitionString(const UCollator *coll,
959 const char *locale,
960 char *buffer,
961 int32_t capacity,
962 UErrorCode *status);
963
984 U_DEPRECATED int32_t U_EXPORT2
985 ucol_normalizeShortDefinitionString(const char *source,
986 char *destination,
987 int32_t capacity,
988 UParseError *parseError,
989 UErrorCode *status);
990 #endif /* U_HIDE_DEPRECATED_API */
991
992
1015 U_STABLE int32_t U_EXPORT2
1016 ucol_getSortKey(const UCollator *coll,
1017 const UChar *source,
1018 int32_t sourceLength,
1019 uint8_t *result,
1020 int32_t resultLength);
1021
1022
1043 U_STABLE int32_t U_EXPORT2
1044 ucol_nextSortKeyPart(const UCollator *coll,
1045 UCharIterator *iter,
1046 uint32_t state[2],
1047 uint8_t *dest, int32_t count,
1048 UErrorCode *status);
1049
1057 typedef enum {
1059 UCOL_BOUND_LOWER = 0,
1061 UCOL_BOUND_UPPER = 1,
1063 UCOL_BOUND_UPPER_LONG = 2,
1064 #ifndef U_HIDE_DEPRECATED_API
1065
1069 UCOL_BOUND_VALUE_COUNT
1070 #endif // U_HIDE_DEPRECATED_API
1071 } UColBoundMode;
1072
1110 U_STABLE int32_t U_EXPORT2
1111 ucol_getBound(const uint8_t *source,
1112 int32_t sourceLength,
1113 UColBoundMode boundType,
1114 uint32_t noOfLevels,
1115 uint8_t *result,
1116 int32_t resultLength,
1117 UErrorCode *status);
1118
1127 U_STABLE void U_EXPORT2
1128 ucol_getVersion(const UCollator* coll, UVersionInfo info);
1129
1137 U_STABLE void U_EXPORT2
1138 ucol_getUCAVersion(const UCollator* coll, UVersionInfo info);
1139
1187 U_STABLE int32_t U_EXPORT2
1188 ucol_mergeSortkeys(const uint8_t *src1, int32_t src1Length,
1189 const uint8_t *src2, int32_t src2Length,
1190 uint8_t *dest, int32_t destCapacity);
1191
1203 U_STABLE void U_EXPORT2
1204 ucol_setAttribute(UCollator *coll, UColAttribute attr, UColAttributeValue value, UErrorCode *status);
1205
1217 U_STABLE UColAttributeValue U_EXPORT2
1218 ucol_getAttribute(const UCollator *coll, UColAttribute attr, UErrorCode *status);
1219
1236 U_STABLE void U_EXPORT2
1237 ucol_setMaxVariable(UCollator *coll, UColReorderCode group, UErrorCode *pErrorCode);
1238
1246 U_STABLE UColReorderCode U_EXPORT2
1247 ucol_getMaxVariable(const UCollator *coll);
1248
1249 #ifndef U_HIDE_DEPRECATED_API
1250
1270 U_DEPRECATED uint32_t U_EXPORT2
1271 ucol_setVariableTop(UCollator *coll,
1272 const UChar *varTop, int32_t len,
1273 UErrorCode *status);
1274 #endif /* U_HIDE_DEPRECATED_API */
1275
1287 U_STABLE uint32_t U_EXPORT2 ucol_getVariableTop(const UCollator *coll, UErrorCode *status);
1288
1289 #ifndef U_HIDE_DEPRECATED_API
1290
1303 U_DEPRECATED void U_EXPORT2
1304 ucol_restoreVariableTop(UCollator *coll, const uint32_t varTop, UErrorCode *status);
1305 #endif /* U_HIDE_DEPRECATED_API */
1306
1330 U_STABLE UCollator* U_EXPORT2
1331 ucol_safeClone(const UCollator *coll,
1332 void *stackBuffer,
1333 int32_t *pBufferSize,
1334 UErrorCode *status);
1335
1336 #ifndef U_HIDE_DEPRECATED_API
1337
1341 #define U_COL_SAFECLONE_BUFFERSIZE 1
1342
1343 #endif /* U_HIDE_DEPRECATED_API */
1344
1360 U_STABLE int32_t U_EXPORT2
1361 ucol_getRulesEx(const UCollator *coll, UColRuleOption delta, UChar *buffer, int32_t bufferLen);
1362
1363 #ifndef U_HIDE_DEPRECATED_API
1364
1378 U_DEPRECATED const char * U_EXPORT2
1379 ucol_getLocale(const UCollator *coll, ULocDataLocaleType type, UErrorCode *status);
1380 #endif /* U_HIDE_DEPRECATED_API */
1381
1396 U_STABLE const char * U_EXPORT2
1397 ucol_getLocaleByType(const UCollator *coll, ULocDataLocaleType type, UErrorCode *status);
1398
1409 U_STABLE USet * U_EXPORT2
1410 ucol_getTailoredSet(const UCollator *coll, UErrorCode *status);
1411
1412 #ifndef U_HIDE_INTERNAL_API
1413
1424 U_INTERNAL int32_t U_EXPORT2
1425 ucol_getUnsafeSet( const UCollator *coll,
1426 USet *unsafe,
1427 UErrorCode *status);
1428
1449 U_INTERNAL void U_EXPORT2
1450 ucol_prepareShortStringOpen( const char *definition,
1451 UBool forceDefaults,
1452 UParseError *parseError,
1453 UErrorCode *status);
1454 #endif /* U_HIDE_INTERNAL_API */
1455
1467 U_STABLE int32_t U_EXPORT2
1468 ucol_cloneBinary(const UCollator *coll,
1469 uint8_t *buffer, int32_t capacity,
1470 UErrorCode *status);
1471
1489 U_STABLE UCollator* U_EXPORT2
1490 ucol_openBinary(const uint8_t *bin, int32_t length,
1491 const UCollator *base,
1492 UErrorCode *status);
1493
1494
1495 #endif /* #if !UCONFIG_NO_COLLATION */
1496
1497 #endif
LocalUCollatorPointer
"Smart pointer" class, closes a UCollator via ucol_close().
UVersionInfo
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
ucol_getRules
const UChar * ucol_getRules(const UCollator *coll, int32_t *length)
Get the collation tailoring rules from a UCollator.
UCOL_REORDER_CODE_CURRENCY
Characters with the currency property.
Definition: ucol.h:194
UCOL_LESS
string a < string b
Definition: ucol.h:79
UCOL_ON
Turn the feature on - works for UCOL_FRENCH_COLLATION, UCOL_CASE_LEVEL, UCOL_HIRAGANA_QUATERNARY_MODE...
Definition: ucol.h:115
UCOL_REORDER_CODE_SYMBOL
Characters with the symbol property.
Definition: ucol.h:188
ucol_setMaxVariable
void ucol_setMaxVariable(UCollator *coll, UColReorderCode group, UErrorCode *pErrorCode)
Sets the variable top to the top of the specified reordering group.
UCOL_FULL_RULES
Retrieves the "UCA rules" concatenated with the tailoring rules.
Definition: ucol.h:371
ucol_equal
UBool ucol_equal(const UCollator *coll, const UChar *source, int32_t sourceLength, const UChar *target, int32_t targetLength)
Compare two strings for equality.
UCOL_REORDER_CODE_OTHERS
A special reordering code that is used to specify all other codes used for reordering except for the ...
Definition: ucol.h:164
ucol_getAttribute
UColAttributeValue ucol_getAttribute(const UCollator *coll, UColAttribute attr, UErrorCode *status)
Universal attribute getter.
ucol_getUCAVersion
void ucol_getUCAVersion(const UCollator *coll, UVersionInfo info)
Gets the UCA version information for a Collator.
ucol_strcoll
UCollationResult ucol_strcoll(const UCollator *coll, const UChar *source, int32_t sourceLength, const UChar *target, int32_t targetLength)
Compare two strings.
UCOL_BOUND_UPPER_LONG
upper bound that will match all the strings that have the same initial substring as the given string ...
Definition: ucol.h:1063
ucol_getSortKey
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.
UCOL_ATTRIBUTE_VALUE_COUNT
One more than the highest normal UColAttributeValue value.
Definition: ucol.h:133
UCOL_BOUND_LOWER
lower bound
Definition: ucol.h:1059
UCOL_CASE_FIRST
Controls the ordering of upper and lower case letters.
Definition: ucol.h:269
ucol_getReorderCodes
int32_t ucol_getReorderCodes(const UCollator *coll, int32_t *dest, int32_t destCapacity, UErrorCode *pErrorCode)
Retrieves the reordering codes for this collator.
UCollationResult
UCollationResult
UCOL_LESS is returned if source string is compared to be less than target string in the ucol_strcoll(...
Definition: ucol.h:73
UCOL_TAILORING_ONLY
Retrieves the tailoring rules only.
Definition: ucol.h:363
ucol_getEquivalentReorderCodes
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.
ucol_setVariableTop
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.
UCOL_NON_IGNORABLE
Valid for UCOL_ALTERNATE_HANDLING.
Definition: ucol.h:120
UCOL_NORMALIZATION_MODE
Controls whether the normalization check and necessary normalizations are performed.
Definition: ucol.h:289
UEnumeration
struct UEnumeration UEnumeration
structure representing an enumeration object instance
Definition: uenum.h:41
ucol_countAvailable
int32_t ucol_countAvailable(void)
Determine how many locales have collation rules available.
ucol_getContractionsAndExpansions
void ucol_getContractionsAndExpansions(const UCollator *coll, USet *contractions, USet *expansions, UBool addPrefixes, UErrorCode *status)
Get a set containing the expansions defined by the collator.
UCharIterator
C API for code unit iteration.
Definition: uiter.h:341
ucol_getTailoredSet
USet * ucol_getTailoredSet(const UCollator *coll, UErrorCode *status)
Get a Unicode set that contains all the characters and sequences tailored in this collator...
UCOL_DEFAULT
accepted by most attributes
Definition: ucol.h:91
U_INTERNAL
#define U_INTERNAL
This is used to declare a function as an internal ICU C API.
Definition: umachine.h:142
UCOL_EQUAL
string a == string b
Definition: ucol.h:75
ucol_getRulesEx
int32_t ucol_getRulesEx(const UCollator *coll, UColRuleOption delta, UChar *buffer, int32_t bufferLen)
Returns current rules.
UCollationStrength
UColAttributeValue UCollationStrength
Base letter represents a primary difference.
Definition: ucol.h:236
UCOL_REORDER_CODE_DIGIT
Characters with the digit property.
Definition: ucol.h:200
UCOL_DEFAULT_STRENGTH
Default collation strength.
Definition: ucol.h:100
UCOL_LOWER_FIRST
Valid for UCOL_CASE_FIRST - lower case sorts before upper case.
Definition: ucol.h:124
uscript.h
C API: Unicode Script Information.
uset.h
C API: Unicode Set.
UColReorderCode
UColReorderCode
Enum containing the codes for reordering segments of the collation table that are not script codes...
Definition: ucol.h:146
ucol_setReorderCodes
void ucol_setReorderCodes(UCollator *coll, const int32_t *reorderCodes, int32_t reorderCodesLength, UErrorCode *pErrorCode)
Sets the reordering codes for this collator.
UColAttribute
UColAttribute
Attributes that collation service understands.
Definition: ucol.h:242
UCOL_OFF
Turn the feature off - works for UCOL_FRENCH_COLLATION, UCOL_CASE_LEVEL, UCOL_HIRAGANA_QUATERNARY_MOD...
Definition: ucol.h:111
U_DEPRECATED
#define U_DEPRECATED
This is used to declare a function as a deprecated public ICU C API.
Definition: umachine.h:138
ucol_getVariableTop
uint32_t ucol_getVariableTop(const UCollator *coll, UErrorCode *status)
Gets the variable top value of a Collator.
ucol_openAvailableLocales
UEnumeration * ucol_openAvailableLocales(UErrorCode *status)
Create a string enumerator of all locales for which a valid collator may be opened.
UCOL_REORDER_CODE_NONE
A special reordering code that is used to specify no reordering codes.
Definition: ucol.h:157
U_NAMESPACE_BEGIN
#define U_NAMESPACE_BEGIN
This is used to begin a declaration of a public ICU C++ API.
Definition: uversion.h:131
UCOL_BOUND_UPPER
upper bound that will match strings of exact size
Definition: ucol.h:1061
UCOL_FRENCH_COLLATION
Attribute for direction of secondary weights - used in Canadian French.
Definition: ucol.h:249
UCOL_STRENGTH
The strength attribute.
Definition: ucol.h:310
UCOL_NUMERIC_COLLATION
When turned on, this attribute makes substrings of digits sort according to their numeric values...
Definition: ucol.h:343
ucol_cloneBinary
int32_t ucol_cloneBinary(const UCollator *coll, uint8_t *buffer, int32_t capacity, UErrorCode *status)
Creates a binary image of a collator.
UCOL_SECONDARY
Secondary collation strength.
Definition: ucol.h:96
U_DEFINE_LOCAL_OPEN_POINTER
#define U_DEFINE_LOCAL_OPEN_POINTER(LocalPointerClassName, Type, closeFunction)
"Smart pointer" definition macro, deletes objects via the closeFunction.
Definition: localpointer.h:530
ucol_restoreVariableTop
void ucol_restoreVariableTop(UCollator *coll, const uint32_t varTop, UErrorCode *status)
Sets the variable top to the specified primary weight.
UCOL_HIRAGANA_QUATERNARY_MODE
When turned on, this attribute positions Hiragana before all non-ignorables on quaternary level This ...
Definition: ucol.h:323
UCOL_CASE_LEVEL
Controls whether an extra case level (positioned before the third level) is generated or not...
Definition: ucol.h:279
localpointer.h
C++ API: "Smart pointers" for use with and in ICU4C C++ code.
ucol_mergeSortkeys
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.
unorm.h
C API: Unicode Normalization.
ucol_getContractions
int32_t ucol_getContractions(const UCollator *coll, USet *conts, UErrorCode *status)
Get a set containing the contractions defined by the collator.
UCOL_UPPER_FIRST
upper case sorts before lower case
Definition: ucol.h:126
UCOL_REORDER_CODE_FIRST
The first entry in the enumeration of reordering groups.
Definition: ucol.h:176
ucol_nextSortKeyPart
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.
ucol_openBinary
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.
ucol_prepareShortStringOpen
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.
ucol_getAvailable
const char * ucol_getAvailable(int32_t localeIndex)
Get a locale for which collation rules are available.
ucol_close
void ucol_close(UCollator *coll)
Close a UCollator.
UCOL_TERTIARY
Tertiary collation strength.
Definition: ucol.h:98
ucol_strcollIter
UCollationResult ucol_strcollIter(const UCollator *coll, UCharIterator *sIter, UCharIterator *tIter, UErrorCode *status)
Compare two UTF-8 encoded trings.
ucol_getDisplayName
int32_t ucol_getDisplayName(const char *objLoc, const char *dispLoc, UChar *result, int32_t resultLength, UErrorCode *status)
Get the display name for a UCollator.
ucol_getKeywordValuesForLocale
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...
UCOL_REORDER_CODE_DEFAULT
A special reordering code that is used to specify the default reordering codes for a locale...
Definition: ucol.h:152
ucol_getLocale
const char * ucol_getLocale(const UCollator *coll, ULocDataLocaleType type, UErrorCode *status)
gets the locale name of the collator.
ucol_getVersion
void ucol_getVersion(const UCollator *coll, UVersionInfo info)
Gets the version information for a Collator.
UChar
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:337
U_NAMESPACE_END
#define U_NAMESPACE_END
This is used to end a declaration of a public ICU C++ API.
Definition: uversion.h:132
USet
struct USet USet
Definition: ucnv.h:69
ucol_greaterOrEqual
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.
UCOL_GREATER
string a > string b
Definition: ucol.h:77
parseerr.h
C API: Parse Error Information.
ucol_normalizeShortDefinitionString
int32_t ucol_normalizeShortDefinitionString(const char *source, char *destination, int32_t capacity, UParseError *parseError, UErrorCode *status)
Verifies and normalizes short definition string.
ucol_openRules
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.
ucol_getShortDefinitionString
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.
USCRIPT_UNKNOWN
Definition: uscript.h:287
ucol_greater
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.
ucol_setAttribute
void ucol_setAttribute(UCollator *coll, UColAttribute attr, UColAttributeValue value, UErrorCode *status)
Universal attribute setter.
UCOL_BOUND_VALUE_COUNT
One more than the highest normal UColBoundMode value.
Definition: ucol.h:1069
UErrorCode
UErrorCode
Error code to replace exception handling, so that the code is compatible with all C++ compilers...
Definition: utypes.h:396
ULocDataLocaleType
ULocDataLocaleType
Constants for *_getLocale() Allow user to select whether she wants information on requested...
Definition: uloc.h:338
ucol_getUnsafeSet
int32_t ucol_getUnsafeSet(const UCollator *coll, USet *unsafe, UErrorCode *status)
Calculates the set of unsafe code points, given a collator.
ucol_getKeywordValues
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...
ucol_getLocaleByType
const char * ucol_getLocaleByType(const UCollator *coll, ULocDataLocaleType type, UErrorCode *status)
gets the locale name of the collator.
ucol_getFunctionalEquivalent
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...
UCOL_REORDER_CODE_PUNCTUATION
Characters with the punctuation property.
Definition: ucol.h:182
UColBoundMode
UColBoundMode
enum that is taken by ucol_getBound API See below for explanation do not change the values assigned t...
Definition: ucol.h:1057
ucol_setStrength
void ucol_setStrength(UCollator *coll, UCollationStrength strength)
Set the collation strength used in a UCollator.
ucol_strcollUTF8
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.
UCollator
struct UCollator UCollator
structure representing a collator object instance
Definition: ucol.h:58
ucol_getMaxVariable
UColReorderCode ucol_getMaxVariable(const UCollator *coll)
Returns the maximum reordering group whose characters are affected by UCOL_ALTERNATE_HANDLING.
UCOL_SHIFTED
Valid for UCOL_ALTERNATE_HANDLING.
Definition: ucol.h:118
UParseError
A UParseError struct is used to returned detailed information about parsing errors.
Definition: parseerr.h:58
ucol_safeClone
UCollator * ucol_safeClone(const UCollator *coll, void *stackBuffer, int32_t *pBufferSize, UErrorCode *status)
Thread safe cloning operation.
utypes.h
Basic definitions for ICU, for both C and C++ APIs.
ucol_getBound
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.
UCOL_IDENTICAL
Identical collation strength.
Definition: ucol.h:105
ucol_openFromShortString
UCollator * ucol_openFromShortString(const char *definition, UBool forceDefaults, UParseError *parseError, UErrorCode *status)
Open a collator defined by a short form string.
UCOL_QUATERNARY
Quaternary collation strength.
Definition: ucol.h:103
UCOL_ALTERNATE_HANDLING
Attribute for handling variable elements.
Definition: ucol.h:260
UCOL_DECOMPOSITION_MODE
An alias for UCOL_NORMALIZATION_MODE attribute.
Definition: ucol.h:293
UColAttributeValue
UColAttributeValue
Enum containing attribute values for controling collation behavior.
Definition: ucol.h:89
ucol_getKeywords
UEnumeration * ucol_getKeywords(UErrorCode *status)
Create a string enumerator of all possible keywords that are relevant to collation.
ucol_open
UCollator * ucol_open(const char *loc, UErrorCode *status)
Open a UCollator for comparing strings.
UCOL_REORDER_CODE_SPACE
Characters with the space property.
Definition: ucol.h:170
UColRuleOption
UColRuleOption
Options for retrieving the rule string.
Definition: ucol.h:357
UCOL_ATTRIBUTE_COUNT
One more than the highest normal UColAttribute value.
Definition: ucol.h:351
ucol_getStrength
UCollationStrength ucol_getStrength(const UCollator *coll)
Get the collation strength used in a UCollator.
UCOL_PRIMARY
Primary collation strength.
Definition: ucol.h:94
U_STABLE
#define U_STABLE
This is used to declare a function as a stable public ICU C API.
Definition: umachine.h:134
UBool
int8_t UBool
The ICU boolean type.
Definition: umachine.h:259
UCOL_REORDER_CODE_LIMIT
One more than the highest normal UColReorderCode value.
Definition: ucol.h:206
uloc.h
C API: Locale.