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#ifndef unicode_hh_INCLUDED
#define unicode_hh_INCLUDED
#include <cstdint>
#include <ctype.h>
#include <wctype.h>
namespace Kakoune
{
using Codepoint = uint32_t;
inline bool is_eol(Codepoint c)
{
return c == '\n';
}
inline bool is_blank(Codepoint c)
{
return c == ' ' or c == '\t';
}
inline bool is_horizontal_blank(Codepoint c)
{
return c == ' ' or c == '\t';
}
enum WordType { Word, WORD };
template<WordType word_type = Word>
inline bool is_word(Codepoint c)
{
return c == '_' or iswalnum(c);
}
template<>
inline bool is_word<WORD>(Codepoint c)
{
return not is_blank(c) and not is_eol(c);
}
inline bool is_punctuation(Codepoint c)
{
return not (is_word(c) or is_blank(c) or is_eol(c));
}
enum class CharCategories
{
Blank,
EndOfLine,
Word,
Punctuation,
};
template<WordType word_type = Word>
inline CharCategories categorize(Codepoint c)
{
if (is_word(c))
return CharCategories::Word;
if (is_eol(c))
return CharCategories::EndOfLine;
if (is_blank(c))
return CharCategories::Blank;
return word_type == WORD ? CharCategories::Word
: CharCategories::Punctuation;
}
}
#endif // unicode_hh_INCLUDED
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