Unicode encoding/decoding

Functions

• constexpr usize utf8_charspan(c32 ch)

  Gets the number of UTF-8 characters needed to store the Unicode char in UTF-8 encoding.

• constexpr usize utf8_charlen(c8 ch)

  Gets the number of UTF-8 characters the Unicode character takes from the first UTF-8 character.

• constexpr usize utf8_charlen(const c8 *src)

  Gets the number of UTF-8 characters the Unicode character takes from the first UTF-8 character.

• constexpr usize utf8_strlen(const c8 *src)

  Gets the number of Unicode characters in a null-terminated UTF-8 string, not including the null terminator.

• constexpr usize utf8_index(const c8 *str, usize n)

  Gets the index of the first UTF-8 character for the specified Unicode character.

• usize utf8_encode_char(c8 *dst, c32 ch)

  Encodes the Unicode character into 1~6 UTF-8 characters.

• c32 utf8_decode_char(const c8 *str)

  Decodes one Unicode character from 1~6 UTF-8 characters.

• constexpr usize utf16_charspan(c32 ch)

  Gets the number of UTF-16 characters needed to store the Unicode char in UTF-16 encoding.

• constexpr usize utf16_charlen(c16 ch)

  Gets the number of UTF-16 characters the Unicode character takes from the first UTF-16 character.

• constexpr usize utf16_charlen(const c16 *src)

  Gets the number of UTF-16 characters the Unicode character takes from the first UTF-16 character.

• constexpr usize utf16_strlen(const c16 *src)

  Gets the number of Unicode characters in a null-terminated UTF-16 string, not including the null terminator.

• constexpr usize utf16_index(const c16 *str, usize n)

  Gets the index of the first UTF-16 character for the specified Unicode character.

• usize utf16_encode_char(c16 *dst, c32 ch)

  Encodes the Unicode character into 1~2 UTF-16 characters using platform-native endian.

• c32 utf16_decode_char(const c16 *str)

  Decodes one Unicode character from 1~2 UTF-16 characters.

• usize utf16_to_utf8(c8 dst, usize dst_max_chars, const c16 src, usize src_chars=USIZE_MAX)

  Converts a UTF-16 string to UTF-8 string.

• usize utf16_to_utf8_len(const c16 *src, usize src_chars=USIZE_MAX)

  Determines the length of the corresponding UTF-8 string for a UTF-16 string, not include the null-terminator.

• usize utf8_to_utf16(c16 dst, usize dst_max_chars, const c8 src, usize src_chars=USIZE_MAX)

  Converts a UTF-8 string to UTF-16 string.

• usize utf8_to_utf16_len(const c8 *src, usize src_chars=USIZE_MAX)

  Determines the length of the corresponding UTF-16 string for a UTF-8 string, not include the null-terminator.