Mercurial > vim
diff src/diff.c @ 12315:40ee9f3d265f v8.0.1037
patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
commit https://github.com/vim/vim/commit/da22b8cc8b1b96fabd5a4c35c57b04a351340fb1
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Sep 2 18:01:50 2017 +0200
patch 8.0.1037: "icase" of 'diffopt' is not used for highlighting
Problem: "icase" of 'diffopt' is not used for highlighting differences.
Solution: Also use "icase". (Rick Howe)
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Sat, 02 Sep 2017 18:15:04 +0200 |
| parents | 1395a3b6978d |
| children | dea5dda9ef30 |
line wrap: on
line diff
--- a/src/diff.c +++ b/src/diff.c @@ -1950,6 +1950,40 @@ diffopt_horizontal(void) } /* + * Compare the characters at "p1" and "p2". If they are equal (possibly + * ignoring case) return TRUE and set "len" to the number of bytes. + */ + static int +diff_equal_char(char_u *p1, char_u *p2, int *len) +{ +#ifdef FEAT_MBYTE + int l = (*mb_ptr2len)(p1); + + if (l != (*mb_ptr2len)(p2)) + return FALSE; + if (l > 1) + { + if (STRNCMP(p1, p2, l) != 0 + && (!enc_utf8 + || !(diff_flags & DIFF_ICASE) + || utf_fold(utf_ptr2char(p1)) + != utf_fold(utf_ptr2char(p2)))) + return FALSE; + *len = l; + } + else +#endif + { + if ((*p1 != *p2) + && (!(diff_flags & DIFF_ICASE) + || TOLOWER_LOC(*p1) != TOLOWER_LOC(*p2))) + return FALSE; + *len = 1; + } + return TRUE; +} + +/* * Find the difference within a changed line. * Returns TRUE if the line was added, no other buffer has it. */ @@ -1969,6 +2003,10 @@ diff_find_change( int idx; int off; int added = TRUE; +#ifdef FEAT_MBYTE + char_u *p1, *p2; + int l; +#endif /* Make a copy of the line, the next ml_get() will invalidate it. */ line_org = vim_strsave(ml_get_buf(wp->w_buffer, lnum, FALSE)); @@ -2017,10 +2055,11 @@ diff_find_change( } else { - if (line_org[si_org] != line_new[si_new]) + if (!diff_equal_char(line_org + si_org, line_new + si_new, + &l)) break; - ++si_org; - ++si_new; + si_org += l; + si_new += l; } } #ifdef FEAT_MBYTE @@ -2056,10 +2095,16 @@ diff_find_change( } else { - if (line_org[ei_org] != line_new[ei_new]) + p1 = line_org + ei_org; + p2 = line_new + ei_new; +#ifdef FEAT_MBYTE + p1 -= (*mb_head_off)(line_org, p1); + p2 -= (*mb_head_off)(line_new, p2); +#endif + if (!diff_equal_char(p1, p2, &l)) break; - --ei_org; - --ei_new; + ei_org -= l; + ei_new -= l; } } if (*endp < ei_org)