diff options
Diffstat (limited to 'utf8.c')
| -rw-r--r-- | utf8.c | 21 |
1 files changed, 21 insertions, 0 deletions
@@ -644,3 +644,24 @@ int skip_utf8_bom(char **text, size_t len) *text += strlen(utf8_bom); return 1; } + +void strbuf_utf8_align(struct strbuf *buf, align_type position, unsigned int width, + const char *s) +{ + int slen = strlen(s); + int display_len = utf8_strnwidth(s, slen, 0); + int utf8_compensation = slen - display_len; + + if (display_len >= width) { + strbuf_addstr(buf, s); + return; + } + + if (position == ALIGN_LEFT) + strbuf_addf(buf, "%-*s", width + utf8_compensation, s); + else if (position == ALIGN_MIDDLE) { + int left = (width - display_len) / 2; + strbuf_addf(buf, "%*s%-*s", left, "", width - left + utf8_compensation, s); + } else if (position == ALIGN_RIGHT) + strbuf_addf(buf, "%*s", width + utf8_compensation, s); +} |