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ICU 77.1: common/unicode/uiter.h Source File

CharacterIterator;

UITER_START, UITER_CURRENT, UITER_LIMIT, UITER_ZERO, UITER_LENGTH

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

Replaceable is an abstract base class representing a string of characters that supports the replaceme...

#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.

UCharIteratorMove * move

(public) Moves the current position relative to the start or limit of the iteration range,...

int32_t index

(protected) Current index or similar.

const void * context

(protected) Pointer to string or wrapped object or similar.

UCharIteratorGetIndex * getIndex

(public) Returns the current position or the start or limit index of the iteration range.

int32_t length

(protected) Length of string or similar.

UCharIteratorHasPrevious * hasPrevious

(public) Check if previous() can still return another code unit.

int32_t reservedField

(protected) Used by UTF-8 iterators and possibly others.

UCharIteratorPrevious * previous

(public) Decrement the index and return the code unit from there (pre-decrement, like s[–i]),...

int32_t limit

(protected) Limit index or similar.

UCharIteratorReserved * reservedFn

(public) Reserved for future use.

UCharIteratorNext * next

(public) Return the code unit at the current index and increment the index (post-increment,...

UCharIteratorCurrent * current

(public) Return the code unit at the current position, or U_SENTINEL if there is none (index is at th...

UCharIteratorHasNext * hasNext

(public) Check if current() and next() can still return another code unit.

int32_t start

(protected) Start index or similar.

UCharIteratorSetState * setState

(public) Restore the iterator state from the state word from a call to getState().

UCharIteratorGetState * getState

(public) Return the state of the iterator, to be restored later with setState().

U_CAPI void uiter_setString(UCharIterator *iter, const UChar *s, int32_t length)

Set up a UCharIterator to iterate over a string.

U_CAPI UChar32 uiter_next32(UCharIterator *iter)

Helper function for UCharIterator to get the next code point.

void UCharIteratorSetState(UCharIterator *iter, uint32_t state, UErrorCode *pErrorCode)

Function type declaration for UCharIterator.setState().

U_CAPI void uiter_setReplaceable(UCharIterator *iter, const icu::Replaceable *rep)

Set up a UCharIterator to iterate over a C++ Replaceable.

U_CAPI void uiter_setUTF8(UCharIterator *iter, const char *s, int32_t length)

Set up a UCharIterator to iterate over a UTF-8 string.

UChar32 UCharIteratorCurrent(UCharIterator *iter)

Function type declaration for UCharIterator.current().

UBool UCharIteratorHasPrevious(UCharIterator *iter)

Function type declaration for UCharIterator.hasPrevious().

int32_t UCharIteratorGetIndex(UCharIterator *iter, UCharIteratorOrigin origin)

Function type declaration for UCharIterator.getIndex().

UChar32 UCharIteratorNext(UCharIterator *iter)

Function type declaration for UCharIterator.next().

U_CAPI void uiter_setState(UCharIterator *iter, uint32_t state, UErrorCode *pErrorCode)

Restore the "state" of the iterator using a state word from a getState() call.

U_CAPI UChar32 uiter_previous32(UCharIterator *iter)

Helper function for UCharIterator to get the previous code point.

U_CAPI uint32_t uiter_getState(const UCharIterator *iter)

Get the "state" of the iterator in the form of a single 32-bit word.

uint32_t UCharIteratorGetState(const UCharIterator *iter)

Function type declaration for UCharIterator.getState().

int32_t UCharIteratorMove(UCharIterator *iter, int32_t delta, UCharIteratorOrigin origin)

Function type declaration for UCharIterator.move().

UChar32 UCharIteratorPrevious(UCharIterator *iter)

Function type declaration for UCharIterator.previous().

UBool UCharIteratorHasNext(UCharIterator *iter)

Function type declaration for UCharIterator.hasNext().

@ UITER_UNKNOWN_INDEX

Constant value that may be returned by UCharIteratorMove indicating that the final UTF-16 index is no...

int32_t UCharIteratorReserved(UCharIterator *iter, int32_t something)

Function type declaration for UCharIterator.reservedFn().

UCharIteratorOrigin

Origin constants for UCharIterator.getIndex() and UCharIterator.move().

U_CAPI void uiter_setCharacterIterator(UCharIterator *iter, icu::CharacterIterator *charIter)

Set up a UCharIterator to wrap around a C++ CharacterIterator.

U_CAPI void uiter_setUTF16BE(UCharIterator *iter, const char *s, int32_t length)

Set up a UCharIterator to iterate over a UTF-16BE string (byte vector with a big-endian pair of bytes...

U_CAPI UChar32 uiter_current32(UCharIterator *iter)

Helper function for UCharIterator to get the code point at the current index.

int32_t UChar32

Define UChar32 as a type for single Unicode code points.

#define U_CDECL_END

This is used to end a declaration of a library private ICU C API.

int8_t UBool

The ICU boolean type, a signed-byte integer.

#define U_CAPI

This is used to declare a function as a public ICU C API.

char16_t UChar

The base type for UTF-16 code units and pointers.

#define U_CDECL_BEGIN

This is used to begin a declaration of a library private ICU C API.

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

UErrorCode

Standard ICU4C error code type, a substitute for exceptions.

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