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"Smart pointer" class, closes a UIDNA via uidna_close().

C++ API: "Smart pointers" for use with and in ICU4C C++ code.

#define U_DEFINE_LOCAL_OPEN_POINTER(LocalPointerClassName, Type, closeFunction)

"Smart pointer" definition macro, deletes objects via the closeFunction.

C API: Parse Error Information.

Output container for IDNA processing errors.

int16_t size

sizeof(UIDNAInfo)

int32_t reservedI3

Reserved field, do not use.

uint32_t errors

Bit set indicating IDNA processing errors.

UBool isTransitionalDifferent

Set to true if transitional and nontransitional processing produce different results.

UBool reservedB3

Reserved field, do not use.

int32_t reservedI2

Reserved field, do not use.

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

@ UIDNA_ERROR_CONTEXTO_DIGITS

A label does not meet the IDNA CONTEXTO requirements for digits.

@ UIDNA_ERROR_TRAILING_HYPHEN

A label ends with a hyphen-minus ('-').

@ UIDNA_ERROR_LEADING_COMBINING_MARK

A label starts with a combining mark.

@ UIDNA_ERROR_LABEL_TOO_LONG

A domain name label is longer than 63 bytes.

@ UIDNA_ERROR_CONTEXTJ

A label does not meet the IDNA CONTEXTJ requirements.

@ UIDNA_ERROR_DISALLOWED

A label or domain name contains disallowed characters.

@ UIDNA_ERROR_LABEL_HAS_DOT

A label contains a dot=full stop.

@ UIDNA_ERROR_BIDI

A label does not meet the IDNA BiDi requirements (for right-to-left characters).

@ UIDNA_ERROR_HYPHEN_3_4

A label contains hyphen-minus ('-') in the third and fourth positions.

@ UIDNA_ERROR_PUNYCODE

A label starts with "xn--" but does not contain valid Punycode.

@ UIDNA_ERROR_DOMAIN_NAME_TOO_LONG

A domain name is longer than 255 bytes in its storage form.

@ UIDNA_ERROR_LEADING_HYPHEN

A label starts with a hyphen-minus ('-').

@ UIDNA_ERROR_CONTEXTO_PUNCTUATION

A label does not meet the IDNA CONTEXTO requirements for punctuation characters.

@ UIDNA_ERROR_EMPTY_LABEL

A non-final domain name label (or the whole domain name) is empty.

@ UIDNA_ERROR_INVALID_ACE_LABEL

An ACE label does not contain a valid label string.

U_CAPI UIDNA * uidna_openUTS46(uint32_t options, UErrorCode *pErrorCode)

Returns a UIDNA instance which implements UTS #46.

struct UIDNA UIDNA

C typedef for struct UIDNA.

int32_t uidna_IDNToASCII(const UChar *src, int32_t srcLength, UChar *dest, int32_t destCapacity, int32_t options, UParseError *parseError, UErrorCode *status)

IDNA2003: Convenience function that implements the IDNToASCII operation as defined in the IDNA RFC.

@ UIDNA_CHECK_CONTEXTJ

IDNA option to check for whether the input conforms to the CONTEXTJ rules.

@ UIDNA_NONTRANSITIONAL_TO_ASCII

IDNA option for nontransitional processing in ToASCII().

@ UIDNA_ALLOW_UNASSIGNED

Option to allow unassigned code points in domain names and labels.

@ UIDNA_CHECK_CONTEXTO

IDNA option to check for whether the input conforms to the CONTEXTO rules.

@ UIDNA_CHECK_BIDI

IDNA option to check for whether the input conforms to the BiDi rules.

@ UIDNA_USE_STD3_RULES

Option to check whether the input conforms to the STD3 ASCII rules, for example the restriction of la...

@ UIDNA_DEFAULT

Default options value: UTS #46 nontransitional processing.

@ UIDNA_NONTRANSITIONAL_TO_UNICODE

IDNA option for nontransitional processing in ToUnicode().

U_CAPI void uidna_close(UIDNA *idna)

Closes a UIDNA instance.

U_CAPI int32_t uidna_nameToUnicode(const UIDNA *idna, const UChar *name, int32_t length, UChar *dest, int32_t capacity, UIDNAInfo *pInfo, UErrorCode *pErrorCode)

Converts a whole domain name into its Unicode form for human-readable display.

int32_t uidna_compare(const UChar *s1, int32_t length1, const UChar *s2, int32_t length2, int32_t options, UErrorCode *status)

IDNA2003: Compare two IDN strings for equivalence.

struct UIDNAInfo UIDNAInfo

Output container for IDNA processing errors.

U_CAPI int32_t uidna_labelToASCII(const UIDNA *idna, const UChar *label, int32_t length, UChar *dest, int32_t capacity, UIDNAInfo *pInfo, UErrorCode *pErrorCode)

Converts a single domain name label into its ASCII form for DNS lookup.

U_CAPI int32_t uidna_nameToASCII_UTF8(const UIDNA *idna, const char *name, int32_t length, char *dest, int32_t capacity, UIDNAInfo *pInfo, UErrorCode *pErrorCode)

Converts a whole domain name into its ASCII form for DNS lookup.

int32_t uidna_toASCII(const UChar *src, int32_t srcLength, UChar *dest, int32_t destCapacity, int32_t options, UParseError *parseError, UErrorCode *status)

IDNA2003: This function implements the ToASCII operation as defined in the IDNA RFC.

U_CAPI int32_t uidna_nameToASCII(const UIDNA *idna, const UChar *name, int32_t length, UChar *dest, int32_t capacity, UIDNAInfo *pInfo, UErrorCode *pErrorCode)

Converts a whole domain name into its ASCII form for DNS lookup.

U_CAPI int32_t uidna_labelToUnicodeUTF8(const UIDNA *idna, const char *label, int32_t length, char *dest, int32_t capacity, UIDNAInfo *pInfo, UErrorCode *pErrorCode)

Converts a single domain name label into its Unicode form for human-readable display.

int32_t uidna_IDNToUnicode(const UChar *src, int32_t srcLength, UChar *dest, int32_t destCapacity, int32_t options, UParseError *parseError, UErrorCode *status)

IDNA2003: Convenience function that implements the IDNToUnicode operation as defined in the IDNA RFC.

U_CAPI int32_t uidna_labelToASCII_UTF8(const UIDNA *idna, const char *label, int32_t length, char *dest, int32_t capacity, UIDNAInfo *pInfo, UErrorCode *pErrorCode)

Converts a single domain name label into its ASCII form for DNS lookup.

U_CAPI int32_t uidna_labelToUnicode(const UIDNA *idna, const UChar *label, int32_t length, UChar *dest, int32_t capacity, UIDNAInfo *pInfo, UErrorCode *pErrorCode)

Converts a single domain name label into its Unicode form for human-readable display.

U_CAPI int32_t uidna_nameToUnicodeUTF8(const UIDNA *idna, const char *name, int32_t length, char *dest, int32_t capacity, UIDNAInfo *pInfo, UErrorCode *pErrorCode)

Converts a whole domain name into its Unicode form for human-readable display.

int32_t uidna_toUnicode(const UChar *src, int32_t srcLength, UChar *dest, int32_t destCapacity, int32_t options, UParseError *parseError, UErrorCode *status)

IDNA2003: This function implements the ToUnicode operation as defined in the IDNA RFC.

#define U_DEPRECATED

This is used to declare a function as a deprecated public 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.

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

UErrorCode

Standard ICU4C error code type, a substitute for exceptions.