diff options
Diffstat (limited to 'src/nvim/buffer.c')
| -rw-r--r-- | src/nvim/buffer.c | 201 |
1 files changed, 104 insertions, 97 deletions
diff --git a/src/nvim/buffer.c b/src/nvim/buffer.c index 292eb03a16..7def8c1684 100644 --- a/src/nvim/buffer.c +++ b/src/nvim/buffer.c @@ -1,3 +1,6 @@ +// This is an open source non-commercial project. Dear PVS-Studio, please check +// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com + /* * buffer.c: functions for dealing with the buffer structure */ @@ -741,12 +744,13 @@ static void clear_wininfo(buf_T *buf) */ void goto_buffer(exarg_T *eap, int start, int dir, int count) { - (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO, - start, dir, count, eap->forceit); bufref_T old_curbuf; set_bufref(&old_curbuf, curbuf); swap_exists_action = SEA_DIALOG; + (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO, + start, dir, count, eap->forceit); + if (swap_exists_action == SEA_QUIT && *eap->cmd == 's') { cleanup_T cs; @@ -1838,9 +1842,7 @@ int buflist_getfile(int n, linenr_T lnum, int options, int forceit) return FAIL; } -/* - * go to the last know line number for the current buffer - */ +// Go to the last known line number for the current buffer. void buflist_getfpos(void) { pos_T *fpos; @@ -2338,9 +2340,7 @@ linenr_T buflist_findlnum(buf_T *buf) return buflist_findfpos(buf)->lnum; } -/* - * List all know file names (for :files and :buffers command). - */ +// List all known file names (for :files and :buffers command). void buflist_list(exarg_T *eap) { buf_T *buf; @@ -2365,12 +2365,17 @@ void buflist_list(exarg_T *eap) && (buf == curbuf || curwin->w_alt_fnum != buf->b_fnum))) { continue; } - msg_putchar('\n'); - if (buf_spname(buf) != NULL) + if (buf_spname(buf) != NULL) { STRLCPY(NameBuff, buf_spname(buf), MAXPATHL); - else - home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); + } else { + home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, true); + } + + if (message_filtered(NameBuff)) { + continue; + } + msg_putchar('\n'); len = vim_snprintf((char *)IObuff, IOSIZE - 20, "%3d%c%c%c%c%c \"%s\"", buf->b_fnum, buf->b_p_bl ? ' ' : 'u', @@ -3060,7 +3065,7 @@ int build_stl_str_hl( StlClickRecord *tabtab ) { - int groupitem[STL_MAX_ITEM]; + int groupitems[STL_MAX_ITEM]; struct stl_item { // Where the item starts in the status line output buffer char_u *start; @@ -3080,7 +3085,7 @@ int build_stl_str_hl( ClickFunc, Trunc } type; - } item[STL_MAX_ITEM]; + } items[STL_MAX_ITEM]; #define TMPLEN 70 char_u tmp[TMPLEN]; char_u *usefmt = fmt; @@ -3182,16 +3187,16 @@ int build_stl_str_hl( if (groupdepth > 0) { continue; } - item[curitem].type = Separate; - item[curitem++].start = out_p; + items[curitem].type = Separate; + items[curitem++].start = out_p; continue; } // STL_TRUNCMARK: Where to begin truncating if the statusline is too long. if (*fmt_p == STL_TRUNCMARK) { fmt_p++; - item[curitem].type = Trunc; - item[curitem++].start = out_p; + items[curitem].type = Trunc; + items[curitem++].start = out_p; continue; } @@ -3207,7 +3212,7 @@ int build_stl_str_hl( // Determine how long the group is. // Note: We set the current output position to null // so `vim_strsize` will work. - char_u *t = item[groupitem[groupdepth]].start; + char_u *t = items[groupitems[groupdepth]].start; *out_p = NUL; long group_len = vim_strsize(t); @@ -3217,11 +3222,11 @@ int build_stl_str_hl( // move the output pointer back to where the group started. // Note: This erases any non-item characters that were in the group. // Otherwise there would be no reason to do this step. - if (curitem > groupitem[groupdepth] + 1 - && item[groupitem[groupdepth]].minwid == 0) { + if (curitem > groupitems[groupdepth] + 1 + && items[groupitems[groupdepth]].minwid == 0) { bool has_normal_items = false; - for (long n = groupitem[groupdepth] + 1; n < curitem; n++) { - if (item[n].type == Normal || item[n].type == Highlight) { + for (long n = groupitems[groupdepth] + 1; n < curitem; n++) { + if (items[n].type == Normal || items[n].type == Highlight) { has_normal_items = true; break; } @@ -3235,18 +3240,18 @@ int build_stl_str_hl( // If the group is longer than it is allowed to be // truncate by removing bytes from the start of the group text. - if (group_len > item[groupitem[groupdepth]].maxwid) { + if (group_len > items[groupitems[groupdepth]].maxwid) { // { Determine the number of bytes to remove long n; if (has_mbyte) { /* Find the first character that should be included. */ n = 0; - while (group_len >= item[groupitem[groupdepth]].maxwid) { + while (group_len >= items[groupitems[groupdepth]].maxwid) { group_len -= ptr2cells(t + n); n += (*mb_ptr2len)(t + n); } } else { - n = (long)(out_p - t) - item[groupitem[groupdepth]].maxwid + 1; + n = (long)(out_p - t) - items[groupitems[groupdepth]].maxwid + 1; } // } @@ -3256,25 +3261,26 @@ int build_stl_str_hl( // { Move the truncated output memmove(t + 1, t + n, (size_t)(out_p - (t + n))); out_p = out_p - n + 1; - /* Fill up space left over by half a double-wide char. */ - while (++group_len < item[groupitem[groupdepth]].minwid) + // Fill up space left over by half a double-wide char. + while (++group_len < items[groupitems[groupdepth]].minwid) { *out_p++ = fillchar; + } // } - /* correct the start of the items for the truncation */ - for (int idx = groupitem[groupdepth] + 1; idx < curitem; idx++) { + // correct the start of the items for the truncation + for (int idx = groupitems[groupdepth] + 1; idx < curitem; idx++) { // Shift everything back by the number of removed bytes - item[idx].start -= n; + items[idx].start -= n; // If the item was partially or completely truncated, set its // start to the start of the group - if (item[idx].start < t) { - item[idx].start = t; + if (items[idx].start < t) { + items[idx].start = t; } } // If the group is shorter than the minimum width, add padding characters. - } else if (abs(item[groupitem[groupdepth]].minwid) > group_len) { - long min_group_width = item[groupitem[groupdepth]].minwid; + } else if (abs(items[groupitems[groupdepth]].minwid) > group_len) { + long min_group_width = items[groupitems[groupdepth]].minwid; // If the group is left-aligned, add characters to the right. if (min_group_width < 0) { min_group_width = 0 - min_group_width; @@ -3293,8 +3299,8 @@ int build_stl_str_hl( // } // Adjust item start positions - for (int n = groupitem[groupdepth] + 1; n < curitem; n++) { - item[n].start += group_len; + for (int n = groupitems[groupdepth] + 1; n < curitem; n++) { + items[n].start += group_len; } // Prepend the fill characters @@ -3332,9 +3338,9 @@ int build_stl_str_hl( // User highlight groups override the min width field // to denote the styling to use. if (*fmt_p == STL_USER_HL) { - item[curitem].type = Highlight; - item[curitem].start = out_p; - item[curitem].minwid = minwid > 9 ? 1 : minwid; + items[curitem].type = Highlight; + items[curitem].start = out_p; + items[curitem].minwid = minwid > 9 ? 1 : minwid; fmt_p++; curitem++; continue; @@ -3366,20 +3372,21 @@ int build_stl_str_hl( if (*fmt_p == STL_TABPAGENR || *fmt_p == STL_TABCLOSENR) { if (*fmt_p == STL_TABCLOSENR) { if (minwid == 0) { - /* %X ends the close label, go back to the previously - * define tab label nr. */ - for (long n = curitem - 1; n >= 0; --n) - if (item[n].type == TabPage && item[n].minwid >= 0) { - minwid = item[n].minwid; + // %X ends the close label, go back to the previous tab label nr. + for (long n = curitem - 1; n >= 0; n--) { + if (items[n].type == TabPage && items[n].minwid >= 0) { + minwid = items[n].minwid; break; } - } else - /* close nrs are stored as negative values */ + } + } else { + // close nrs are stored as negative values minwid = -minwid; + } } - item[curitem].type = TabPage; - item[curitem].start = out_p; - item[curitem].minwid = minwid; + items[curitem].type = TabPage; + items[curitem].start = out_p; + items[curitem].minwid = minwid; fmt_p++; curitem++; continue; @@ -3394,10 +3401,10 @@ int build_stl_str_hl( if (*fmt_p != STL_CLICK_FUNC) { break; } - item[curitem].type = ClickFunc; - item[curitem].start = out_p; - item[curitem].cmd = xmemdupz(t, (size_t) (((char *) fmt_p - t))); - item[curitem].minwid = minwid; + items[curitem].type = ClickFunc; + items[curitem].start = out_p; + items[curitem].cmd = xmemdupz(t, (size_t)(((char *)fmt_p - t))); + items[curitem].minwid = minwid; fmt_p++; curitem++; continue; @@ -3420,11 +3427,11 @@ int build_stl_str_hl( // Denotes the start of a new group if (*fmt_p == '(') { - groupitem[groupdepth++] = curitem; - item[curitem].type = Group; - item[curitem].start = out_p; - item[curitem].minwid = minwid; - item[curitem].maxwid = maxwid; + groupitems[groupdepth++] = curitem; + items[curitem].type = Group; + items[curitem].start = out_p; + items[curitem].minwid = minwid; + items[curitem].maxwid = maxwid; fmt_p++; curitem++; continue; @@ -3451,7 +3458,7 @@ int build_stl_str_hl( case STL_FULLPATH: case STL_FILENAME: { - // Set fillable to false to that ' ' in the filename will not + // Set fillable to false so that ' ' in the filename will not // get replaced with the fillchar fillable = false; if (buf_spname(wp->w_buffer) != NULL) { @@ -3703,9 +3710,9 @@ int build_stl_str_hl( // Create a highlight item based on the name if (*fmt_p == '#') { - item[curitem].type = Highlight; - item[curitem].start = out_p; - item[curitem].minwid = -syn_namen2id(t, (int)(fmt_p - t)); + items[curitem].type = Highlight; + items[curitem].start = out_p; + items[curitem].minwid = -syn_namen2id(t, (int)(fmt_p - t)); curitem++; fmt_p++; } @@ -3716,8 +3723,8 @@ int build_stl_str_hl( // If we made it this far, the item is normal and starts at // our current position in the output buffer. // Non-normal items would have `continued`. - item[curitem].start = out_p; - item[curitem].type = Normal; + items[curitem].start = out_p; + items[curitem].type = Normal; // Copy the item string into the output buffer if (str != NULL && *str) { @@ -3874,7 +3881,7 @@ int build_stl_str_hl( // Otherwise, there was nothing to print so mark the item as empty } else { - item[curitem].type = Empty; + items[curitem].type = Empty; } // Only free the string buffer if we allocated it. @@ -3899,8 +3906,7 @@ int build_stl_str_hl( } // We have now processed the entire statusline format string. - // What follows is post-processing to handle alignment and - // highlighting factors. + // What follows is post-processing to handle alignment and highlighting. int width = vim_strsize(out); if (maxwidth > 0 && width > maxwidth) { @@ -3915,16 +3921,17 @@ int build_stl_str_hl( // Otherwise, look for the truncation item } else { // Default to truncating at the first item - trunc_p = item[0].start; + trunc_p = items[0].start; item_idx = 0; - for (int i = 0; i < itemcnt; i++) - if (item[i].type == Trunc) { - // Truncate at %< item. - trunc_p = item[i].start; + for (int i = 0; i < itemcnt; i++) { + if (items[i].type == Trunc) { + // Truncate at %< items. + trunc_p = items[i].start; item_idx = i; break; } + } } // If the truncation point we found is beyond the maximum @@ -3954,7 +3961,7 @@ int build_stl_str_hl( // Ignore any items in the statusline that occur after // the truncation point for (int i = 0; i < itemcnt; i++) { - if (item[i].start > trunc_p) { + if (items[i].start > trunc_p) { itemcnt = i; break; } @@ -4009,12 +4016,12 @@ int build_stl_str_hl( for (int i = item_idx; i < itemcnt; i++) { // Items starting at or after the end of the truncated section need // to be moved backwards. - if (item[i].start >= trunc_end_p) { - item[i].start -= item_offset; + if (items[i].start >= trunc_end_p) { + items[i].start -= item_offset; // Anything inside the truncated area is set to start // at the `<` truncation character. } else { - item[i].start = trunc_p; + items[i].start = trunc_p; } } // } @@ -4030,7 +4037,7 @@ int build_stl_str_hl( // figuring out how many groups there are. int num_separators = 0; for (int i = 0; i < itemcnt; i++) { - if (item[i].type == Separate) { + if (items[i].type == Separate) { num_separators++; } } @@ -4042,7 +4049,7 @@ int build_stl_str_hl( int separator_locations[STL_MAX_ITEM]; int index = 0; for (int i = 0; i < itemcnt; i++) { - if (item[i].type == Separate) { + if (items[i].type == Separate) { separator_locations[index] = i; index++; } @@ -4053,18 +4060,18 @@ int build_stl_str_hl( standard_spaces * (num_separators - 1); for (int i = 0; i < num_separators; i++) { - int dislocation = (i == (num_separators - 1)) ? - final_spaces : standard_spaces; - char_u *sep_loc = item[separator_locations[i]].start + dislocation; - STRMOVE(sep_loc, item[separator_locations[i]].start); - for (char_u *s = item[separator_locations[i]].start; s < sep_loc; s++) { + int dislocation = (i == (num_separators - 1)) + ? final_spaces : standard_spaces; + char_u *seploc = items[separator_locations[i]].start + dislocation; + STRMOVE(seploc, items[separator_locations[i]].start); + for (char_u *s = items[separator_locations[i]].start; s < seploc; s++) { *s = fillchar; } for (int item_idx = separator_locations[i] + 1; item_idx < itemcnt; item_idx++) { - item[item_idx].start += dislocation; + items[item_idx].start += dislocation; } } @@ -4076,9 +4083,9 @@ int build_stl_str_hl( if (hltab != NULL) { struct stl_hlrec *sp = hltab; for (long l = 0; l < itemcnt; l++) { - if (item[l].type == Highlight) { - sp->start = item[l].start; - sp->userhl = item[l].minwid; + if (items[l].type == Highlight) { + sp->start = items[l].start; + sp->userhl = items[l].minwid; sp++; } } @@ -4090,14 +4097,14 @@ int build_stl_str_hl( if (tabtab != NULL) { StlClickRecord *cur_tab_rec = tabtab; for (long l = 0; l < itemcnt; l++) { - if (item[l].type == TabPage) { - cur_tab_rec->start = (char *) item[l].start; - if (item[l].minwid == 0) { + if (items[l].type == TabPage) { + cur_tab_rec->start = (char *)items[l].start; + if (items[l].minwid == 0) { cur_tab_rec->def.type = kStlClickDisabled; cur_tab_rec->def.tabnr = 0; } else { - int tabnr = item[l].minwid; - if (item[l].minwid > 0) { + int tabnr = items[l].minwid; + if (items[l].minwid > 0) { cur_tab_rec->def.type = kStlClickTabSwitch; } else { cur_tab_rec->def.type = kStlClickTabClose; @@ -4107,11 +4114,11 @@ int build_stl_str_hl( } cur_tab_rec->def.func = NULL; cur_tab_rec++; - } else if (item[l].type == ClickFunc) { - cur_tab_rec->start = (char *) item[l].start; + } else if (items[l].type == ClickFunc) { + cur_tab_rec->start = (char *)items[l].start; cur_tab_rec->def.type = kStlClickFuncRun; - cur_tab_rec->def.tabnr = item[l].minwid; - cur_tab_rec->def.func = item[l].cmd; + cur_tab_rec->def.tabnr = items[l].minwid; + cur_tab_rec->def.func = items[l].cmd; cur_tab_rec++; } } |