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provide get codepoint visual width function #107

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duarm opened this issue Jan 9, 2023 · 1 comment

duarm commented Jan 9, 2023

Unicode characters can have different visual widths, it would help if utf8.h had a builtin function to retrieve that.

A simple implementation can be found here. https://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c

simple usage of the above code with utf8.h

int codepoint;
void *v = utf8codepoint(text_ptr, &codepoint);
int w = mk_wcwidth((wchar_t)codepoint);

duarm changed the title ~~provide character visual width functions~~ provide get codepoint visual width function

Owner

sheredom commented Jan 10, 2023

Happy to accept a PR that added something like utf8codepointvisualwidth that does this.

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