/* SPDX-License-Identifier: LGPL-2.1+ */ #pragma once #include #include #include #include #include "macro.h" #include "missing_type.h" #define UTF8_REPLACEMENT_CHARACTER "\xef\xbf\xbd" #define UTF8_BYTE_ORDER_MARK "\xef\xbb\xbf" bool unichar_is_valid(char32_t c); char *utf8_is_valid(const char *s) _pure_; char *ascii_is_valid(const char *s) _pure_; char *ascii_is_valid_n(const char *str, size_t len); bool utf8_is_printable_newline(const char* str, size_t length, bool newline) _pure_; #define utf8_is_printable(str, length) utf8_is_printable_newline(str, length, true) char *utf8_escape_invalid(const char *s); char *utf8_escape_non_printable(const char *str); size_t utf8_encode_unichar(char *out_utf8, char32_t g); size_t utf16_encode_unichar(char16_t *out, char32_t c); char *utf16_to_utf8(const char16_t *s, size_t length /* bytes! */); char16_t *utf8_to_utf16(const char *s, size_t length); size_t char16_strlen(const char16_t *s); /* returns the number of 16bit words in the string (not bytes!) */ int utf8_encoded_valid_unichar(const char *str, size_t length); int utf8_encoded_to_unichar(const char *str, char32_t *ret_unichar); static inline bool utf16_is_surrogate(char16_t c) { return c >= 0xd800U && c <= 0xdfffU; } static inline bool utf16_is_trailing_surrogate(char16_t c) { return c >= 0xdc00U && c <= 0xdfffU; } static inline char32_t utf16_surrogate_pair_to_unichar(char16_t lead, char16_t trail) { return ((((char32_t) lead - 0xd800U) << 10) + ((char32_t) trail - 0xdc00U) + 0x10000U); } size_t utf8_n_codepoints(const char *str); size_t utf8_console_width(const char *str);