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ICU 77.1: i18n/unicode/tblcoll.h Source File

CollationCacheEntry;

CollationSettings;

CollationTailoring;

CollationElementIterator;

SortKeyByteSink;

char16_t* target, int32_t targetLength,

int32_t sourceLength,

int32_t resultLength)

;

int32_t

(

char16_t *source, int32_t sourceLength,

uint8_t *result, int32_t resultLength)

;

int32_t destCapacity,

int32_t reorderCodesLength,

*left, int32_t leftLength,

*right, int32_t rightLength,

uint8_t *dest, int32_t count,

&errorCode)

;

adoptTailoring(CollationTailoring *t,

&errorCode);

char16_t *right, int32_t rightLength,

uint8_t *right, int32_t rightLength,

writeSortKey(

char16_t *s, int32_t length,

SortKeyByteSink &sink,

&errorCode)

;

writeIdenticalLevel(

char16_t *s,

char16_t *limit,

SortKeyByteSink &sink,

&errorCode)

;

CollationSettings &getDefaultSettings()

;

setAttributeDefault(int32_t attribute) {

explicitlySetAttributes &= ~(

uint32_t

(1) << attribute);

setAttributeExplicitly(int32_t attribute) {

explicitlySetAttributes |=

uint32_t

(1) << attribute;

attributeHasBeenSetExplicitly(int32_t attribute)

{

(explicitlySetAttributes & (

uint32_t

(1) << attribute)) != 0;

computeMaxExpansions(

CollationTailoring *t,

&errorCode);

setFastLatinOptions(CollationSettings &ownedSettings)

;

CollationData *data;

CollationSettings *settings;

CollationTailoring *tailoring;

CollationCacheEntry *cacheEntry;

uint32_t explicitlySetAttributes;

actualLocaleIsSameAsValid;

Abstract class that defines an API for iteration on text objects.

The CollationElementIterator class is used as an iterator to walk through each character of an inte...

Collation keys are generated by the Collator class.

The Collator class performs locale-sensitive string comparison.

virtual EComparisonResult compare(const UnicodeString &source, const UnicodeString &target) const

The comparison function compares the character data stored in two different strings.

static Collator * fromUCollator(UCollator *uc)

ECollationStrength

Base letter represents a primary difference.

A Locale object represents a specific geographical, political, or cultural region.

The RuleBasedCollator class provides the implementation of Collator, using data-driven tables.

virtual void setVariableTop(uint32_t varTop, UErrorCode &status) override

Sets the variable top to the specified primary weight.

RuleBasedCollator(const UnicodeString &rules, UColAttributeValue decompositionMode, UErrorCode &status)

RuleBasedCollator constructor.

virtual UCollationResult internalCompareUTF8(const char *left, int32_t leftLength, const char *right, int32_t rightLength, UErrorCode &errorCode) const override

Implements ucol_strcollUTF8().

virtual CollationElementIterator * createCollationElementIterator(const CharacterIterator &source) const

Creates a collation element iterator for the source.

virtual int32_t getSortKey(const char16_t *source, int32_t sourceLength, uint8_t *result, int32_t resultLength) const override

Get the sort key as an array of bytes from a char16_t buffer.

RuleBasedCollator & operator=(const RuleBasedCollator &other)

Assignment operator.

static RuleBasedCollator * rbcFromUCollator(UCollator *uc)

static const RuleBasedCollator * rbcFromUCollator(const UCollator *uc)

virtual int32_t hashCode() const override

Generates the hash code for the rule-based collation object.

virtual uint32_t getVariableTop(UErrorCode &status) const override

Gets the variable top value of a Collator.

RuleBasedCollator(const UnicodeString &rules, ECollationStrength collationStrength, UColAttributeValue decompositionMode, UErrorCode &status)

RuleBasedCollator constructor.

virtual void setLocales(const Locale &requestedLocale, const Locale &validLocale, const Locale &actualLocale) override

Used internally by registration to define the requested and valid locales.

RuleBasedCollator(const uint8_t *bin, int32_t length, const RuleBasedCollator *base, UErrorCode &status)

Opens a collator from a collator binary image created using cloneBinary.

virtual int32_t getSortKey(const UnicodeString &source, uint8_t *result, int32_t resultLength) const override

Get the sort key as an array of bytes from a UnicodeString.

RuleBasedCollator(const UnicodeString &rules, UParseError &parseError, UnicodeString &reason, UErrorCode &errorCode)

TODO: document & propose as public API.

virtual uint32_t setVariableTop(const char16_t *varTop, int32_t len, UErrorCode &status) override

Sets the variable top to the primary weight of the specified string.

virtual uint32_t setVariableTop(const UnicodeString &varTop, UErrorCode &status) override

Sets the variable top to the primary weight of the specified string.

virtual int32_t getReorderCodes(int32_t *dest, int32_t destCapacity, UErrorCode &status) const override

Retrieves the reordering codes for this collator.

virtual UnicodeSet * getTailoredSet(UErrorCode &status) const override

Get a UnicodeSet that contains all the characters and sequences tailored in this collator.

virtual UCollationResult compare(const UnicodeString &source, const UnicodeString &target, UErrorCode &status) const override

The comparison function compares the character data stored in two different strings.

virtual RuleBasedCollator * clone() const override

Makes a copy of this object.

void internalBuildTailoring(const UnicodeString &rules, int32_t strength, UColAttributeValue decompositionMode, UParseError *outParseError, UnicodeString *outReason, UErrorCode &errorCode)

Implements from-rule constructors, and ucol_openRules().

void internalAddContractions(UChar32 c, UnicodeSet &set, UErrorCode &errorCode) const

Adds the contractions that start with character c to the set.

virtual Locale getLocale(ULocDataLocaleType type, UErrorCode &status) const override

Gets the locale of the Collator.

virtual UCollationResult compare(const UnicodeString &source, const UnicodeString &target, int32_t length, UErrorCode &status) const override

Does the same thing as compare but limits the comparison to a specified length.

void internalGetContractionsAndExpansions(UnicodeSet *contractions, UnicodeSet *expansions, UBool addPrefixes, UErrorCode &errorCode) const

Implements ucol_getContractionsAndExpansions().

virtual bool operator==(const Collator &other) const override

Returns true if argument is the same as this object.

const UnicodeString & getRules() const

Gets the tailoring rules for this collator.

virtual ~RuleBasedCollator()

Destructor.

virtual void setReorderCodes(const int32_t *reorderCodes, int32_t reorderCodesLength, UErrorCode &status) override

Sets the ordering of scripts for this collator.

const char * internalGetLocaleID(ULocDataLocaleType type, UErrorCode &errorCode) const

Implements ucol_getLocaleByType().

int32_t cloneBinary(uint8_t *buffer, int32_t capacity, UErrorCode &status) const

Creates a binary image of a collator.

virtual void getVersion(UVersionInfo info) const override

Gets the version information for a Collator.

virtual int32_t internalNextSortKeyPart(UCharIterator *iter, uint32_t state[2], uint8_t *dest, int32_t count, UErrorCode &errorCode) const override

Implements ucol_nextSortKeyPart().

void internalGetCEs(const UnicodeString &str, UVector64 &ces, UErrorCode &errorCode) const

Appends the CEs for the string to the vector.

int32_t getMaxExpansion(int32_t order) const

Returns the maximum length of any expansion sequences that end with the specified comparison order.

virtual UClassID getDynamicClassID() const override

Returns a unique class ID POLYMORPHICALLY.

virtual int32_t internalGetShortDefinitionString(const char *locale, char *buffer, int32_t capacity, UErrorCode &status) const override

Get the short definition string for a collator.

virtual CollationElementIterator * createCollationElementIterator(const UnicodeString &source) const

Creates a collation element iterator for the source string.

uint8_t * cloneRuleData(int32_t &length, UErrorCode &status) const

Do not use this method: The caller and the ICU library might use different heaps.

RuleBasedCollator(const UnicodeString &rules, ECollationStrength collationStrength, UErrorCode &status)

RuleBasedCollator constructor.

virtual UCollationResult compare(const char16_t *source, int32_t sourceLength, const char16_t *target, int32_t targetLength, UErrorCode &status) const override

The comparison function compares the character data stored in two different string arrays.

RuleBasedCollator(const UnicodeString &rules, UErrorCode &status)

RuleBasedCollator constructor.

virtual UColAttributeValue getAttribute(UColAttribute attr, UErrorCode &status) const override

Universal attribute getter.

RuleBasedCollator()

Only for use in ucol_openRules().

virtual CollationKey & getCollationKey(const char16_t *source, int32_t sourceLength, CollationKey &key, UErrorCode &status) const override

Transforms a specified region of the string into a series of characters that can be compared with Col...

RuleBasedCollator(const RuleBasedCollator &other)

Copy constructor.

virtual CollationKey & getCollationKey(const UnicodeString &source, CollationKey &key, UErrorCode &status) const override

Transforms the string into a series of characters that can be compared with CollationKey....

static UClassID getStaticClassID()

Returns the class ID for this class.

virtual UCollationResult compareUTF8(const StringPiece &source, const StringPiece &target, UErrorCode &status) const override

Compares two UTF-8 strings using the Collator.

virtual UColReorderCode getMaxVariable() const override

Returns the maximum reordering group whose characters are affected by UCOL_ALTERNATE_HANDLING.

virtual void setAttribute(UColAttribute attr, UColAttributeValue value, UErrorCode &status) override

Universal attribute setter.

virtual UCollationResult compare(UCharIterator &sIter, UCharIterator &tIter, UErrorCode &status) const override

Compares two strings using the Collator.

virtual Collator & setMaxVariable(UColReorderCode group, UErrorCode &errorCode) override

Sets the variable top to the top of the specified reordering group.

void getRules(UColRuleOption delta, UnicodeString &buffer) const

Returns current rules.

A string-like object that points to a sized piece of memory.

A mutable set of Unicode characters and multicharacter strings.

UnicodeString is a string class that stores Unicode characters directly and provides similar function...

C++ API: Collation Service.

C++ API: Locale ID object.

#define U_CALLCONV

Similar to U_CDECL_BEGIN/U_CDECL_END, this qualifier is necessary in callback function typedefs to ma...

C API for code unit iteration.

A UParseError struct is used to returned detailed information about parsing errors.

struct UCollator UCollator

structure representing a collator object instance

UColRuleOption

Options for retrieving the rule string.

UColAttribute

Attributes that collation service understands.

@ UCOL_ATTRIBUTE_COUNT

One more than the highest normal UColAttribute value.

UCollationResult

UCOL_LESS is returned if source string is compared to be less than target string in the ucol_strcoll(...

UColAttributeValue

Enum containing attribute values for controlling collation behavior.

UColReorderCode

Enum containing the codes for reordering segments of the collation table that are not script codes.

C API: Unicode Character Iteration.

ULocDataLocaleType

Constants for *_getLocale() Allow user to select whether she wants information on requested,...

int32_t UChar32

Define UChar32 as a type for single Unicode code points.

int8_t UBool

The ICU boolean type, a signed-byte integer.

void * UClassID

UClassID is used to identify classes without using the compiler's RTTI.

Basic definitions for ICU, for both C and C++ APIs.

UErrorCode

Standard ICU4C error code type, a substitute for exceptions.

#define U_I18N_API

Set to export library symbols from inside the i18n library, and to import them from outside.

uint8_t UVersionInfo[U_MAX_VERSION_LENGTH]

The binary form of a version on ICU APIs is an array of 4 uint8_t.

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