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Showing content from https://unicode-org.github.io/icu-docs/apidoc/released/icu4c/sortkey_8h_source.html below:

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

28 #if U_SHOW_CPLUSPLUS_API 35 #if !UCONFIG_NO_COLLATION 44 class

RuleBasedCollator;

45 class

CollationKeyByteSink;

165 UBool

isBogus()

const

;

176 const

uint8_t* getByteArray(int32_t& count)

const

;

178 #ifdef U_USE_COLLATION_KEY_DEPRECATES 186

uint8_t* toByteArray(int32_t& count)

const

;

189 #ifndef U_HIDE_DEPRECATED_API 254

uint8_t *reallocate(int32_t newCapacity, int32_t length);

258 void

setLength(int32_t newLength);

260

uint8_t *getBytes() {

261 return

(fFlagAndLength >= 0) ? fUnion.fStackBuffer : fUnion.fFields.fBytes;

263 const

uint8_t *getBytes()

const

{

264 return

(fFlagAndLength >= 0) ? fUnion.fStackBuffer : fUnion.fFields.fBytes;

266

int32_t getCapacity()

const

{

267 return

fFlagAndLength >= 0 ?

static_cast<

int32_t

>

(

sizeof

(fUnion)) : fUnion.fFields.fCapacity;

269

int32_t getLength()

const

{

return

fFlagAndLength & 0x7fffffff; }

275

CollationKey& setToBogus();

280

CollationKey& reset();

286 friend class

CollationKeyByteSink;

299

int32_t fFlagAndLength;

304 mutable

int32_t fHashCode;

309 union

StackBufferOrFields {

311

uint8_t fStackBuffer[32];

322 return

!(*

this

== other);

326

CollationKey::isBogus()

const 328 return

fHashCode == 2;

331 inline const

uint8_t*

332

CollationKey::getByteArray(int32_t &count)

const

Collation keys are generated by the Collator class.

virtual ~CollationKey()

Sort key destructor.

CollationKey(const CollationKey &other)

Copy constructor.

virtual UClassID getDynamicClassID() const override

ICU "poor man's RTTI", returns a UClassID for the actual class.

UCollationResult compareTo(const CollationKey &target, UErrorCode &status) const

Convenience method which does a string(bit-wise) comparison of the two collation keys.

static UClassID getStaticClassID()

ICU "poor man's RTTI", returns a UClassID for this class.

CollationKey(const uint8_t *values, int32_t count)

Creates a collation key based on the collation key values.

Collator::EComparisonResult compareTo(const CollationKey &target) const

Convenience method which does a string(bit-wise) comparison of the two collation keys.

CollationKey()

This creates an empty collation key based on the null string.

const CollationKey & operator=(const CollationKey &other)

Assignment operator.

bool operator==(const CollationKey &source) const

Compare if two collation keys are the same.

int32_t hashCode() const

Creates an integer that is unique to the collation key.

EComparisonResult

LESS is returned if source string is compared to be less than target string in the compare() method.

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

UObject is the common ICU "boilerplate" class.

C++ API: Collation Service.

bool operator!=(const StringPiece &x, const StringPiece &y)

Global operator != for StringPiece.

UCollationResult

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

int8_t UBool

The ICU boolean type, a signed-byte integer.

C++ API: Common ICU base class UObject.

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.

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