diff options
Diffstat (limited to 'Src/prompt.c')
| -rw-r--r-- | Src/prompt.c | 113 |
1 files changed, 19 insertions, 94 deletions
diff --git a/Src/prompt.c b/Src/prompt.c index 8b3aa531e..fd04cc2d7 100644 --- a/Src/prompt.c +++ b/Src/prompt.c @@ -1038,18 +1038,18 @@ prompttrunc(int arg, int truncchar, int doprint, int endchar) * Note that if the truncation string is longer than the * truncation length (twidth > truncwidth), the truncation * string is used in full. - * - * TODO: we don't take account of multibyte characters - * in the string we're truncating. */ char *t = truncstr; int fullen = bp - ptr; int twidth, maxwidth; -#ifdef ZLE_UNICODE_SUPPORT int ntrunc = strlen(t); +#ifdef ZLE_UNICODE_SUPPORT /* Use screen width of string */ twidth = mb_width(t); +#else + twidth = ztrlen(t); +#endif if (twidth < truncwidth) { maxwidth = truncwidth - twidth; /* @@ -1110,6 +1110,7 @@ prompttrunc(int arg, int truncchar, int doprint, int endchar) fulltextptr++; } } else { +#ifdef ZLE_UNICODE_SUPPORT /* * Normal text: build up a multibyte character. */ @@ -1143,6 +1144,13 @@ prompttrunc(int arg, int truncchar, int doprint, int endchar) remw -= wcwidth(cc); } } +#else + /* Single byte character */ + if (*fulltextptr == Meta) + fulltextptr++; + fulltextptr++; + remw--; +#endif } } @@ -1170,6 +1178,7 @@ prompttrunc(int arg, int truncchar, int doprint, int endchar) for (; *skiptext != Outpar && *skiptext; skiptext++); } else { +#ifdef ZLE_UNICODE_SUPPORT char inchar; wchar_t cc; int ret; @@ -1194,6 +1203,12 @@ prompttrunc(int arg, int truncchar, int doprint, int endchar) maxwidth -= wcwidth(cc); } } +#else + if (*skiptext == Meta) + skiptext++; + skiptext++; + maxwidth--; +#endif } } /* @@ -1240,96 +1255,6 @@ prompttrunc(int arg, int truncchar, int doprint, int endchar) bp = ptr; } *bp = '\0'; -#else - twidth = ztrlen(t); - maxwidth = twidth < truncwidth ? truncwidth - twidth : 0; - if (w < fullen) { - /* Invisible substrings, lots of shuffling. */ - int n = strlen(t); - char *p = ptr, *q = buf; - addbufspc(n); - ptr = buf + (p - q); /* addbufspc() may have realloc()'d */ - - if (truncatleft) { - p = ptr + n; - q = p; - - /* - * I don't think we need n and the test below since - * we must have enough space (we are using a subset - * of the existing text with no repetition) and the - * string is null-terminated, so I haven't copied it - * to the ZLE_UNICODE_SUPPORT section. - */ - n = fullen - w; - - /* Shift the whole string right, then * - * selectively copy to the left. */ - memmove(p, ptr, fullen); - while (w > 0 || n > 0) { - if (*p == Inpar) - do { - *q++ = *p; - --n; - } while (*p++ != Outpar && *p && n); - else if (w) { - if (--w < maxwidth) - *q++ = *p; - ++p; - } - } - bp = q; - } else { - /* Truncate on the right, selectively */ - q = ptr + fullen; - - /* First skip over as much as will "fit". */ - while (w > 0 && maxwidth > 0) { - if (*ptr == Inpar) - while (*ptr++ != Outpar && *ptr) {;} - else - ++ptr, --w, --maxwidth; - } - if (ptr < q) { - /* We didn't reach the end of the string. * - * In case there are more invisible bits, * - * insert the truncstr and keep looking. */ - memmove(ptr + n, ptr, q - ptr); - q = ptr + n; - while (*t) - *ptr++ = *t++; - while (*q) { - if (*q == Inpar) - do { - *ptr++ = *q; - } while (*q++ != Outpar && *q); - else - ++q; - } - bp = ptr; - *bp = 0; - } else - bp = ptr + n; - } - } else { - /* No invisible substrings. */ - if (twidth > fullen) { - addbufspc(twidth - fullen); - ptr = bp; /* addbufspc() may have realloc()'d buf */ - bp += twidth - fullen; - } else - bp -= fullen - truncwidth; - if (truncatleft) { - if (maxwidth) - memmove(ptr + strlen(t), ptr + fullen - maxwidth, - maxwidth); - } else - ptr += maxwidth; - } - /* Finally, copy the truncstr into place. */ - while (*t) - *ptr++ = *t++; -#endif } zsfree(truncstr); truncwidth = 0; |