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Add is_upper and is_lower helper unicode functions

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Maxime Coste 2017-10-06 19:51:09 +08:00
parent b93fd8cbca
commit e18836aea7
1 changed files with 6 additions and 0 deletions
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6
src/unicode.hh
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@ -84,9 +84,15 @@ inline CharCategories categorize(Codepoint c, ConstArrayView<Codepoint> extra_wo
inline Codepoint to_lower(Codepoint cp) noexcept { return towlower((wchar_t)cp); }
inline Codepoint to_upper(Codepoint cp) noexcept { return towupper((wchar_t)cp); }
inline bool is_lower(Codepoint cp) noexcept { return iswlower((wchar_t)cp); }
inline bool is_upper(Codepoint cp) noexcept { return iswupper((wchar_t)cp); }
inline char to_lower(char c) noexcept { return c >= 'A' and c <= 'Z' ? c - 'A' + 'a' : c; }
inline char to_upper(char c) noexcept { return c >= 'a' and c <= 'z' ? c - 'a' + 'A' : c; }
inline bool is_lower(char c) noexcept { return c >= 'a' and c <= 'z'; }
inline bool is_upper(char c) noexcept { return c >= 'A' and c <= 'Z'; }
}
#endif // unicode_hh_INCLUDED