diff options
Diffstat (limited to 'src/nvim/search.c')
-rw-r--r-- | src/nvim/search.c | 88 |
1 files changed, 62 insertions, 26 deletions
diff --git a/src/nvim/search.c b/src/nvim/search.c index 95929f0eb4..7be7dc2187 100644 --- a/src/nvim/search.c +++ b/src/nvim/search.c @@ -521,7 +521,7 @@ int searchit( buffer without a window! */ buf_T *buf, pos_T *pos, - int dir, + Direction dir, char_u *pat, long count, int options, @@ -570,8 +570,12 @@ int searchit( && pos->lnum >= 1 && pos->lnum <= buf->b_ml.ml_line_count && pos->col < MAXCOL - 2) { // Watch out for the "col" being MAXCOL - 2, used in a closed fold. - ptr = ml_get_buf(buf, pos->lnum, false) + pos->col; - start_char_len = *ptr == NUL ? 1 : (*mb_ptr2len)(ptr); + ptr = ml_get_buf(buf, pos->lnum, false); + if ((int)STRLEN(ptr) <= pos->col) { + start_char_len = 1; + } else { + start_char_len = utfc_ptr2len(ptr + pos->col); + } } else { start_char_len = 1; } @@ -1849,7 +1853,7 @@ pos_T *findmatchlimit(oparg_T *oap, int initc, int flags, int64_t maxtravel) } else { /* Searching backwards */ /* * A comment may contain / * or / /, it may also start or end - * with / * /. Ignore a / * after / /. + * with / * /. Ignore a / * after / / and after *. */ if (pos.col == 0) continue; @@ -1874,6 +1878,7 @@ pos_T *findmatchlimit(oparg_T *oap, int initc, int flags, int64_t maxtravel) } } else if ( linep[pos.col - 1] == '/' && linep[pos.col] == '*' + && (pos.col == 1 || linep[pos.col - 2] != '*') && (int)pos.col < comment_col) { count++; match_pos = pos; @@ -3300,7 +3305,7 @@ int current_tagblock( oparg_T *oap, long count_arg, - int include /* TRUE == include white space */ + bool include // true == include white space ) { long count = count_arg; @@ -3314,7 +3319,7 @@ current_tagblock( char_u *cp; int len; int r; - int do_include = include; + bool do_include = include; bool save_p_ws = p_ws; int retval = FAIL; int is_inclusive = true; @@ -3440,10 +3445,12 @@ again: } curwin->w_cursor = end_pos; - /* If we now have the same text as before reset "do_include" and try - * again. */ - if (equalpos(start_pos, old_start) && equalpos(end_pos, old_end)) { - do_include = TRUE; + // If we are in Visual mode and now have the same text as before set + // "do_include" and try again. + if (VIsual_active + && equalpos(start_pos, old_start) + && equalpos(end_pos, old_end)) { + do_include = true; curwin->w_cursor = old_start; count = count_arg; goto again; @@ -3952,8 +3959,10 @@ current_search( if (VIsual_active && *p_sel == 'e' && lt(VIsual, curwin->w_cursor)) dec_cursor(); - pos_T orig_pos; /* position of the cursor at beginning */ - pos_T pos; /* position after the pattern */ + pos_T orig_pos; // position of the cursor at beginning + pos_T first_match; // position of first match + pos_T pos; // position after the pattern + int result; // result of various function calls if (VIsual_active) { orig_pos = pos = curwin->w_cursor; @@ -3968,8 +3977,9 @@ current_search( orig_pos = pos = curwin->w_cursor; } - // Is the pattern is zero-width? - int one_char = is_one_char(spats[last_idx].pat, true, &curwin->w_cursor); + // Is the pattern is zero-width?, this time, don't care about the direction + int one_char = is_one_char(spats[last_idx].pat, true, &curwin->w_cursor, + FORWARD); if (one_char == -1) { p_ws = old_p_ws; return FAIL; /* pattern not found */ @@ -3987,9 +3997,9 @@ current_search( if (!dir && !one_char) flags = SEARCH_END; - int result = searchit(curwin, curbuf, &pos, (dir ? FORWARD : BACKWARD), - spats[last_idx].pat, i ? count : 1, - SEARCH_KEEP | flags, RE_SEARCH, 0, NULL); + result = searchit(curwin, curbuf, &pos, (dir ? FORWARD : BACKWARD), + spats[last_idx].pat, i ? count : 1, + SEARCH_KEEP | flags, RE_SEARCH, 0, NULL); /* First search may fail, but then start searching from the * beginning of the file (cursor might be on the search match) @@ -4011,15 +4021,19 @@ current_search( ml_get(curwin->w_buffer->b_ml.ml_line_count)); } } + if (i == 0) { + first_match = pos; + } p_ws = old_p_ws; } - int flags = forward ? SEARCH_END : 0; + const int flags = forward ? SEARCH_END : SEARCH_START; pos_T start_pos = pos; + const Direction direction = forward ? FORWARD : BACKWARD; // Check again from the current cursor position, // since the next match might actually be only one char wide - one_char = is_one_char(spats[last_idx].pat, false, &pos); + one_char = is_one_char(spats[last_idx].pat, false, &pos, direction); if (one_char < 0) { // search failed, abort return FAIL; @@ -4027,9 +4041,26 @@ current_search( /* move to match, except for zero-width matches, in which case, we are * already on the next match */ - if (!one_char) - searchit(curwin, curbuf, &pos, (forward ? FORWARD : BACKWARD), - spats[last_idx].pat, 0L, flags | SEARCH_KEEP, RE_SEARCH, 0, NULL); + if (!one_char) { + p_ws = false; + for (int i = 0; i < 2; i++) { + result = searchit(curwin, curbuf, &pos, direction, + spats[last_idx].pat, 0L, flags | SEARCH_KEEP, RE_SEARCH, + 0, NULL); + // Search successfull, break out from the loop + if (result) { + break; + } + // search failed, try again from the last search position match + pos = first_match; + } + } + + p_ws = old_p_ws; + // not found + if (!result) { + return FAIL; + } if (!VIsual_active) VIsual = start_pos; @@ -4063,8 +4094,10 @@ current_search( /// Check if the pattern is one character long or zero-width. /// If move is true, check from the beginning of the buffer, /// else from position "cur". +/// "direction" is FORWARD or BACKWARD. /// Returns TRUE, FALSE or -1 for failure. -static int is_one_char(char_u *pattern, bool move, pos_T *cur) +static int is_one_char(char_u *pattern, bool move, pos_T *cur, + Direction direction) { regmmatch_T regmatch; int nmatched = 0; @@ -4091,7 +4124,7 @@ static int is_one_char(char_u *pattern, bool move, pos_T *cur) // accept a match at the cursor position flag = SEARCH_START; } - if (searchit(curwin, curbuf, &pos, FORWARD, pattern, 1, + if (searchit(curwin, curbuf, &pos, direction, pattern, 1, SEARCH_KEEP + flag, RE_SEARCH, 0, NULL) != FAIL) { // Zero-width pattern should match somewhere, then we can check if // start and end are in the same position. @@ -4103,7 +4136,9 @@ static int is_one_char(char_u *pattern, bool move, pos_T *cur) if (!nmatched) { break; } - } while (regmatch.startpos[0].col < pos.col); + } while (direction == FORWARD + ? regmatch.startpos[0].col < pos.col + : regmatch.startpos[0].col > pos.col); if (!called_emsg) { result = (nmatched != 0 @@ -4603,7 +4638,7 @@ search_line: if (depth == -1) { // match in current file if (l_g_do_tagpreview != 0) { - if (!GETFILE_SUCCESS(getfile(0, curwin_save->w_buffer->b_fname, + if (!GETFILE_SUCCESS(getfile(curwin_save->w_buffer->b_fnum, NULL, NULL, true, lnum, false))) { break; // failed to jump to file } @@ -4611,6 +4646,7 @@ search_line: setpcmark(); } curwin->w_cursor.lnum = lnum; + check_cursor(); } else { if (!GETFILE_SUCCESS(getfile(0, files[depth].name, NULL, true, files[depth].lnum, false))) { |