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ICU 77.1: common/unicode/normalizer2.h Source File

normalize(src, result, errorCode);

norm2(n2), set(filterSet) {}

normalizeUTF8(uint32_t options,

*src, int32_t length,

A ByteSink can be filled with bytes.

Records lengths of string edits but not replacement text.

Normalization filtered by a UnicodeSet.

virtual UnicodeString & normalize(const UnicodeString &src, UnicodeString &dest, UErrorCode &errorCode) const override

Writes the normalized form of the source string to the destination string (replacing its contents) an...

virtual UBool isNormalizedUTF8(StringPiece s, UErrorCode &errorCode) const override

Tests if the UTF-8 string is normalized.

~FilteredNormalizer2()

Destructor.

virtual UnicodeString & normalizeSecondAndAppend(UnicodeString &first, const UnicodeString &second, UErrorCode &errorCode) const override

Appends the normalized form of the second string to the first string (merging them at the boundary) a...

virtual UNormalizationCheckResult quickCheck(const UnicodeString &s, UErrorCode &errorCode) const override

Tests if the string is normalized.

virtual UBool isInert(UChar32 c) const override

Tests if the character is normalization-inert.

virtual UChar32 composePair(UChar32 a, UChar32 b) const override

Performs pairwise composition of a & b and returns the composite if there is one.

virtual UBool getDecomposition(UChar32 c, UnicodeString &decomposition) const override

Gets the decomposition mapping of c.

virtual UBool isNormalized(const UnicodeString &s, UErrorCode &errorCode) const override

Tests if the string is normalized.

virtual UBool getRawDecomposition(UChar32 c, UnicodeString &decomposition) const override

Gets the raw decomposition mapping of c.

virtual uint8_t getCombiningClass(UChar32 c) const override

Gets the combining class of c.

virtual void normalizeUTF8(uint32_t options, StringPiece src, ByteSink &sink, Edits *edits, UErrorCode &errorCode) const override

Normalizes a UTF-8 string and optionally records how source substrings relate to changed and unchange...

virtual UBool hasBoundaryBefore(UChar32 c) const override

Tests if the character always has a normalization boundary before it, regardless of context.

virtual UnicodeString & append(UnicodeString &first, const UnicodeString &second, UErrorCode &errorCode) const override

Appends the second string to the first string (merging them at the boundary) and returns the first st...

FilteredNormalizer2(const Normalizer2 &n2, const UnicodeSet &filterSet)

Constructs a filtered normalizer wrapping any Normalizer2 instance and a filter set.

virtual UBool hasBoundaryAfter(UChar32 c) const override

Tests if the character always has a normalization boundary after it, regardless of context.

virtual int32_t spanQuickCheckYes(const UnicodeString &s, UErrorCode &errorCode) const override

Returns the end of the normalized substring of the input string.

Unicode normalization functionality for standard Unicode normalization or for using custom mapping ta...

virtual UBool getDecomposition(UChar32 c, UnicodeString &decomposition) const =0

Gets the decomposition mapping of c.

virtual int32_t spanQuickCheckYes(const UnicodeString &s, UErrorCode &errorCode) const =0

Returns the end of the normalized substring of the input string.

virtual UBool isNormalized(const UnicodeString &s, UErrorCode &errorCode) const =0

Tests if the string is normalized.

virtual UBool hasBoundaryBefore(UChar32 c) const =0

Tests if the character always has a normalization boundary before it, regardless of context.

static const Normalizer2 * getNFKCInstance(UErrorCode &errorCode)

Returns a Normalizer2 instance for Unicode NFKC normalization.

~Normalizer2()

Destructor.

virtual UChar32 composePair(UChar32 a, UChar32 b) const

Performs pairwise composition of a & b and returns the composite if there is one.

static const Normalizer2 * getNFCInstance(UErrorCode &errorCode)

Returns a Normalizer2 instance for Unicode NFC normalization.

virtual UnicodeString & normalize(const UnicodeString &src, UnicodeString &dest, UErrorCode &errorCode) const =0

Writes the normalized form of the source string to the destination string (replacing its contents) an...

static const Normalizer2 * getInstance(const char *packageName, const char *name, UNormalization2Mode mode, UErrorCode &errorCode)

Returns a Normalizer2 instance which uses the specified data file (packageName/name similar to ucnv_o...

virtual UnicodeString & append(UnicodeString &first, const UnicodeString &second, UErrorCode &errorCode) const =0

Appends the second string to the first string (merging them at the boundary) and returns the first st...

virtual UnicodeString & normalizeSecondAndAppend(UnicodeString &first, const UnicodeString &second, UErrorCode &errorCode) const =0

Appends the normalized form of the second string to the first string (merging them at the boundary) a...

UnicodeString normalize(const UnicodeString &src, UErrorCode &errorCode) const

Returns the normalized form of the source string.

virtual UNormalizationCheckResult quickCheck(const UnicodeString &s, UErrorCode &errorCode) const =0

Tests if the string is normalized.

virtual UBool hasBoundaryAfter(UChar32 c) const =0

Tests if the character always has a normalization boundary after it, regardless of context.

virtual uint8_t getCombiningClass(UChar32 c) const

Gets the combining class of c.

static const Normalizer2 * getNFKCSimpleCasefoldInstance(UErrorCode &errorCode)

Returns a Normalizer2 instance for a variant of Unicode toNFKC_Casefold() normalization which is equi...

virtual UBool isInert(UChar32 c) const =0

Tests if the character is normalization-inert.

static const Normalizer2 * getNFKCCasefoldInstance(UErrorCode &errorCode)

Returns a Normalizer2 instance for Unicode toNFKC_Casefold() normalization which is equivalent to app...

virtual void normalizeUTF8(uint32_t options, StringPiece src, ByteSink &sink, Edits *edits, UErrorCode &errorCode) const

Normalizes a UTF-8 string and optionally records how source substrings relate to changed and unchange...

virtual UBool isNormalizedUTF8(StringPiece s, UErrorCode &errorCode) const

Tests if the UTF-8 string is normalized.

virtual UBool getRawDecomposition(UChar32 c, UnicodeString &decomposition) const

Gets the raw decomposition mapping of c.

static const Normalizer2 * getNFDInstance(UErrorCode &errorCode)

Returns a Normalizer2 instance for Unicode NFD normalization.

static const Normalizer2 * getNFKDInstance(UErrorCode &errorCode)

Returns a Normalizer2 instance for Unicode NFKD normalization.

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

UObject is the common ICU "boilerplate" class.

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: StringPiece: Read-only byte string wrapper class.

int32_t UChar32

Define UChar32 as a type for single Unicode code points.

int8_t UBool

The ICU boolean type, a signed-byte integer.

C API: New API for Unicode Normalization.

UNormalizationCheckResult

Result values for normalization quick check functions.

UNormalization2Mode

Constants for normalization modes.

USetSpanCondition

Argument values for whether span() and similar functions continue while the current character is cont...

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

UErrorCode

Standard ICU4C error code type, a substitute for exceptions.

#define U_COMMON_API

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

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