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Codechange: Remove unused Utf8Consume, Utf8Decode, Utf8EncodedCharLen.

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frosch
2025-04-01 18:21:34 +02:00
committed by frosch
parent bf8a241f69
commit 588fedb5db
2 changed files with 0 additions and 80 deletions
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38
src/string_func.h
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@@ -72,44 +72,6 @@ inline bool StrEmpty(const char *s)
bool IsValidChar(char32_t key, CharSetFilter afilter);
size_t Utf8Decode(char32_t *c, const char *s);
/* std::string_view::iterator might be char *, in which case we do not want this templated variant to be taken. */
template <typename T> requires (!std::is_same_v<T, char *> && (std::is_same_v<std::string_view::iterator, T> || std::is_same_v<std::string::iterator, T>))
inline size_t Utf8Decode(char32_t *c, T &s) { return Utf8Decode(c, &*s); }
inline char32_t Utf8Consume(const char **s)
{
char32_t c;
*s += Utf8Decode(&c, *s);
return c;
}
template <class Titr>
inline char32_t Utf8Consume(Titr &s)
{
char32_t c;
s += Utf8Decode(&c, &*s);
return c;
}
/**
* Return the length of an UTF-8 encoded value based on a single char. This
* char should be the first byte of the UTF-8 encoding. If not, or encoding
* is invalid, return value is 0
* @param c char to query length of
* @return requested size
*/
inline int8_t Utf8EncodedCharLen(char c)
{
if (GB(c, 3, 5) == 0x1E) return 4;
if (GB(c, 4, 4) == 0x0E) return 3;
if (GB(c, 5, 3) == 0x06) return 2;
if (GB(c, 7, 1) == 0x00) return 1;
/* Invalid UTF8 start encoding */
return 0;
}
/* Check if the given character is part of a UTF8 sequence */
inline bool IsUtf8Part(char c)