utf8::internal Namespace Reference

Enumerations
enum	utf_error {   OK, NOT_ENOUGH_ROOM, INVALID_LEAD, INCOMPLETE_SEQUENCE,   OVERLONG_SEQUENCE, INVALID_CODE_POINT }

Functions
bool	is_trail (uint8_t oc)
bool	is_surrogate (uint16_t cp)
bool	is_code_point_valid (uint32_t cp)
unsigned	sequence_length (uint8_t lead)
template<typename octet_iterator >
utf_error	validate_next (octet_iterator &it, octet_iterator end, uint32_t *code_point)
template<typename octet_iterator >
utf_error	validate_next (octet_iterator &it, octet_iterator end)

Variables
const uint16_t	LEAD_SURROGATE_MIN = 0xd800u
const uint16_t	LEAD_SURROGATE_MAX = 0xdbffu
const uint16_t	TRAIL_SURROGATE_MIN = 0xdc00u
const uint16_t	TRAIL_SURROGATE_MAX = 0xdfffu
const uint16_t	LEAD_OFFSET = LEAD_SURROGATE_MIN - (0x10000 >> 10)
const uint32_t	SURROGATE_OFFSET = 0x10000u - (LEAD_SURROGATE_MIN << 10) - TRAIL_SURROGATE_MIN
const uint32_t	CODE_POINT_MAX = 0x0010ffffu

Enumeration Type Documentation

utf_error

enum utf8::internal::utf_error

Enumerator
OK
NOT_ENOUGH_ROOM
INVALID_LEAD
INCOMPLETE_SEQUENCE
OVERLONG_SEQUENCE
INVALID_CODE_POINT

Definition at line 87 of file utf8_core.hh.

Function Documentation

is_code_point_valid()

bool utf8::internal::is_code_point_valid ( uint32_t  cp )

inline

Definition at line 66 of file utf8_core.hh.

References is_surrogate().

Referenced by utf8::append(), and validate_next().

is_surrogate()

bool utf8::internal::is_surrogate ( uint16_t  cp )

inline

Definition at line 61 of file utf8_core.hh.

References TRAIL_SURROGATE_MAX.

Referenced by is_code_point_valid(), utf8::unchecked::utf16to8(), and utf8::utf16to8().

is_trail()

bool utf8::internal::is_trail ( uint8_t  oc )

inline

Definition at line 56 of file utf8_core.hh.

Referenced by utf8::unchecked::prior(), utf8::prior(), utf8::replace_invalid(), utf8::sync_backward(), utf8::sync_forward(), and validate_next().

sequence_length()

unsigned utf8::internal::sequence_length ( uint8_t  lead )

inline

Definition at line 72 of file utf8_core.hh.

Referenced by utf8::unchecked::next(), utf8::unchecked::iterator< octet_iterator >::operator++(), and validate_next().

validate_next() [1/2]

template<typename octet_iterator >

utf_error utf8::internal::validate_next	(	octet_iterator &	it,
		octet_iterator	end,
		uint32_t *	code_point
	)

Definition at line 97 of file utf8_core.hh.

References utf8::advance(), utf8::distance(), INCOMPLETE_SEQUENCE, INVALID_CODE_POINT, INVALID_LEAD, is_code_point_valid(), is_trail(), gl::length(), NOT_ENOUGH_ROOM, OK, OVERLONG_SEQUENCE, and sequence_length().

Referenced by utf8::find_invalid(), utf8::next(), utf8::replace_invalid(), and validate_next().

validate_next() [2/2]

template<typename octet_iterator >

utf_error utf8::internal::validate_next ( octet_iterator &  it, octet_iterator  end  )

inline

Definition at line 201 of file utf8_core.hh.

References validate_next().

Variable Documentation

CODE_POINT_MAX

const uint32_t utf8::internal::CODE_POINT_MAX = 0x0010ffffu

Definition at line 54 of file utf8_core.hh.

Referenced by utf8::append().

LEAD_OFFSET

const uint16_t utf8::internal::LEAD_OFFSET = LEAD_SURROGATE_MIN - (0x10000 >> 10)

Definition at line 50 of file utf8_core.hh.

Referenced by utf8::unchecked::utf8to16(), and utf8::utf8to16().

LEAD_SURROGATE_MAX

const uint16_t utf8::internal::LEAD_SURROGATE_MAX = 0xdbffu

Definition at line 47 of file utf8_core.hh.

LEAD_SURROGATE_MIN

const uint16_t utf8::internal::LEAD_SURROGATE_MIN = 0xd800u

Definition at line 46 of file utf8_core.hh.

SURROGATE_OFFSET

const uint32_t utf8::internal::SURROGATE_OFFSET = 0x10000u - (LEAD_SURROGATE_MIN << 10) - TRAIL_SURROGATE_MIN

Definition at line 51 of file utf8_core.hh.

Referenced by utf8::unchecked::utf16to8(), and utf8::utf16to8().

TRAIL_SURROGATE_MAX

const uint16_t utf8::internal::TRAIL_SURROGATE_MAX = 0xdfffu

Definition at line 49 of file utf8_core.hh.

Referenced by is_surrogate(), and utf8::utf16to8().

TRAIL_SURROGATE_MIN

const uint16_t utf8::internal::TRAIL_SURROGATE_MIN = 0xdc00u

Definition at line 48 of file utf8_core.hh.

Referenced by utf8::utf16to8(), utf8::unchecked::utf8to16(), and utf8::utf8to16().