Mercurial > vim
diff src/ex_docmd.c @ 17536:e00d12c085a5 v8.1.1766
patch 8.1.1766: code for writing session file is spread out
commit https://github.com/vim/vim/commit/845380791196aec7f991987ebf7b22de3779d106
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Jul 28 14:15:42 2019 +0200
patch 8.1.1766: code for writing session file is spread out
Problem: Code for writing session file is spread out.
Solution: Put it in one file. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/4728)
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Sun, 28 Jul 2019 14:30:07 +0200 |
parents | c8152af9fa33 |
children | 554240b9574b |
line wrap: on
line diff
--- a/src/ex_docmd.c +++ b/src/ex_docmd.c @@ -257,7 +257,6 @@ static void ex_redir(exarg_T *eap); static void ex_redrawstatus(exarg_T *eap); static void ex_redrawtabline(exarg_T *eap); static void close_redir(void); -static void ex_mkrc(exarg_T *eap); static void ex_mark(exarg_T *eap); static void ex_startinsert(exarg_T *eap); static void ex_stopinsert(exarg_T *eap); @@ -306,14 +305,9 @@ static void ex_tag_cmd(exarg_T *eap, cha # define ex_oldfiles ex_ni #endif static char_u *arg_all(void); -#ifdef FEAT_SESSION -static int makeopens(FILE *fd, char_u *dirnow); -static int put_view(FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx); -static void ex_loadview(exarg_T *eap); -static char_u *get_view_file(int c); -static int did_lcd; /* whether ":lcd" was produced for a session */ -#else +#ifndef FEAT_SESSION # define ex_loadview ex_ni +# define ex_mkrc ex_ni #endif #ifndef FEAT_EVAL # define ex_compiler ex_ni @@ -8439,243 +8433,6 @@ close_redir(void) #endif } -#if defined(FEAT_SESSION) && defined(USE_CRNL) -# define MKSESSION_NL -static int mksession_nl = FALSE; /* use NL only in put_eol() */ -#endif - -/* - * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession". - */ - static void -ex_mkrc( - exarg_T *eap) -{ - FILE *fd; - int failed = FALSE; - char_u *fname; -#ifdef FEAT_BROWSE - char_u *browseFile = NULL; -#endif -#ifdef FEAT_SESSION - int view_session = FALSE; - int using_vdir = FALSE; /* using 'viewdir'? */ - char_u *viewFile = NULL; - unsigned *flagp; -#endif - - if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview) - { -#ifdef FEAT_SESSION - view_session = TRUE; -#else - ex_ni(eap); - return; -#endif - } - -#ifdef FEAT_SESSION - /* Use the short file name until ":lcd" is used. We also don't use the - * short file name when 'acd' is set, that is checked later. */ - did_lcd = FALSE; - - /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */ - if (eap->cmdidx == CMD_mkview - && (*eap->arg == NUL - || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL))) - { - eap->forceit = TRUE; - fname = get_view_file(*eap->arg); - if (fname == NULL) - return; - viewFile = fname; - using_vdir = TRUE; - } - else -#endif - if (*eap->arg != NUL) - fname = eap->arg; - else if (eap->cmdidx == CMD_mkvimrc) - fname = (char_u *)VIMRC_FILE; -#ifdef FEAT_SESSION - else if (eap->cmdidx == CMD_mksession) - fname = (char_u *)SESSION_FILE; -#endif - else - fname = (char_u *)EXRC_FILE; - -#ifdef FEAT_BROWSE - if (cmdmod.browse) - { - browseFile = do_browse(BROWSE_SAVE, -# ifdef FEAT_SESSION - eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") : - eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") : -# endif - (char_u *)_("Save Setup"), - fname, (char_u *)"vim", NULL, - (char_u *)_(BROWSE_FILTER_MACROS), NULL); - if (browseFile == NULL) - goto theend; - fname = browseFile; - eap->forceit = TRUE; /* since dialog already asked */ - } -#endif - -#if defined(FEAT_SESSION) && defined(vim_mkdir) - /* When using 'viewdir' may have to create the directory. */ - if (using_vdir && !mch_isdir(p_vdir)) - vim_mkdir_emsg(p_vdir, 0755); -#endif - - fd = open_exfile(fname, eap->forceit, WRITEBIN); - if (fd != NULL) - { -#ifdef FEAT_SESSION - if (eap->cmdidx == CMD_mkview) - flagp = &vop_flags; - else - flagp = &ssop_flags; -#endif - -#ifdef MKSESSION_NL - /* "unix" in 'sessionoptions': use NL line separator */ - if (view_session && (*flagp & SSOP_UNIX)) - mksession_nl = TRUE; -#endif - - /* Write the version command for :mkvimrc */ - if (eap->cmdidx == CMD_mkvimrc) - (void)put_line(fd, "version 6.0"); - -#ifdef FEAT_SESSION - if (eap->cmdidx == CMD_mksession) - { - if (put_line(fd, "let SessionLoad = 1") == FAIL) - failed = TRUE; - } - - if (eap->cmdidx != CMD_mkview) -#endif - { - /* Write setting 'compatible' first, because it has side effects. - * For that same reason only do it when needed. */ - if (p_cp) - (void)put_line(fd, "if !&cp | set cp | endif"); - else - (void)put_line(fd, "if &cp | set nocp | endif"); - } - -#ifdef FEAT_SESSION - if (!view_session - || (eap->cmdidx == CMD_mksession - && (*flagp & SSOP_OPTIONS))) -#endif - failed |= (makemap(fd, NULL) == FAIL - || makeset(fd, OPT_GLOBAL, FALSE) == FAIL); - -#ifdef FEAT_SESSION - if (!failed && view_session) - { - if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL) - failed = TRUE; - if (eap->cmdidx == CMD_mksession) - { - char_u *dirnow; /* current directory */ - - dirnow = alloc(MAXPATHL); - if (dirnow == NULL) - failed = TRUE; - else - { - /* - * Change to session file's dir. - */ - if (mch_dirname(dirnow, MAXPATHL) == FAIL - || mch_chdir((char *)dirnow) != 0) - *dirnow = NUL; - if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR)) - { - if (vim_chdirfile(fname, NULL) == OK) - shorten_fnames(TRUE); - } - else if (*dirnow != NUL - && (ssop_flags & SSOP_CURDIR) && globaldir != NULL) - { - if (mch_chdir((char *)globaldir) == 0) - shorten_fnames(TRUE); - } - - failed |= (makeopens(fd, dirnow) == FAIL); - - /* restore original dir */ - if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR) - || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL))) - { - if (mch_chdir((char *)dirnow) != 0) - emsg(_(e_prev_dir)); - shorten_fnames(TRUE); - } - vim_free(dirnow); - } - } - else - { - failed |= (put_view(fd, curwin, !using_vdir, flagp, - -1) == FAIL); - } - if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save") - == FAIL) - failed = TRUE; -# ifdef FEAT_SEARCH_EXTRA - if (no_hlsearch && put_line(fd, "nohlsearch") == FAIL) - failed = TRUE; -# endif - if (put_line(fd, "doautoall SessionLoadPost") == FAIL) - failed = TRUE; - if (eap->cmdidx == CMD_mksession) - { - if (put_line(fd, "unlet SessionLoad") == FAIL) - failed = TRUE; - } - } -#endif - if (put_line(fd, "\" vim: set ft=vim :") == FAIL) - failed = TRUE; - - failed |= fclose(fd); - - if (failed) - emsg(_(e_write)); -#if defined(FEAT_EVAL) && defined(FEAT_SESSION) - else if (eap->cmdidx == CMD_mksession) - { - /* successful session write - set this_session var */ - char_u *tbuf; - - tbuf = alloc(MAXPATHL); - if (tbuf != NULL) - { - if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK) - set_vim_var_string(VV_THIS_SESSION, tbuf, -1); - vim_free(tbuf); - } - } -#endif -#ifdef MKSESSION_NL - mksession_nl = FALSE; -#endif - } - -#ifdef FEAT_BROWSE -theend: - vim_free(browseFile); -#endif -#ifdef FEAT_SESSION - vim_free(viewFile); -#endif -} - #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \ || defined(PROTO) int @@ -9717,999 +9474,6 @@ expand_sfile(char_u *arg) return result; } -#ifdef FEAT_SESSION -static int ses_winsizes(FILE *fd, int restore_size, - win_T *tab_firstwin); -static int ses_win_rec(FILE *fd, frame_T *fr); -static frame_T *ses_skipframe(frame_T *fr); -static int ses_do_frame(frame_T *fr); -static int ses_do_win(win_T *wp); -static int ses_arglist(FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp); -static int ses_put_fname(FILE *fd, char_u *name, unsigned *flagp); -static int ses_fname(FILE *fd, buf_T *buf, unsigned *flagp, int add_eol); - -/* - * Write openfile commands for the current buffers to an .exrc file. - * Return FAIL on error, OK otherwise. - */ - static int -makeopens( - FILE *fd, - char_u *dirnow) /* Current directory name */ -{ - buf_T *buf; - int only_save_windows = TRUE; - int nr; - int restore_size = TRUE; - win_T *wp; - char_u *sname; - win_T *edited_win = NULL; - int tabnr; - int restore_stal = FALSE; - win_T *tab_firstwin; - frame_T *tab_topframe; - int cur_arg_idx = 0; - int next_arg_idx = 0; - - if (ssop_flags & SSOP_BUFFERS) - only_save_windows = FALSE; /* Save ALL buffers */ - - /* - * Begin by setting the this_session variable, and then other - * sessionable variables. - */ -#ifdef FEAT_EVAL - if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL) - return FAIL; - if (ssop_flags & SSOP_GLOBALS) - if (store_session_globals(fd) == FAIL) - return FAIL; -#endif - - /* - * Close all windows and tabs but one. - */ - if (put_line(fd, "silent only") == FAIL) - return FAIL; - if ((ssop_flags & SSOP_TABPAGES) - && put_line(fd, "silent tabonly") == FAIL) - return FAIL; - - /* - * Now a :cd command to the session directory or the current directory - */ - if (ssop_flags & SSOP_SESDIR) - { - if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')") - == FAIL) - return FAIL; - } - else if (ssop_flags & SSOP_CURDIR) - { - sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow); - if (sname == NULL - || fputs("cd ", fd) < 0 - || ses_put_fname(fd, sname, &ssop_flags) == FAIL - || put_eol(fd) == FAIL) - { - vim_free(sname); - return FAIL; - } - vim_free(sname); - } - - /* - * If there is an empty, unnamed buffer we will wipe it out later. - * Remember the buffer number. - */ - if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL) - return FAIL; - if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL) - return FAIL; - if (put_line(fd, "endif") == FAIL) - return FAIL; - - /* - * Now save the current files, current buffer first. - */ - if (put_line(fd, "set shortmess=aoO") == FAIL) - return FAIL; - - /* the global argument list */ - if (ses_arglist(fd, "argglobal", &global_alist.al_ga, - !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL) - return FAIL; - - if (ssop_flags & SSOP_RESIZE) - { - /* Note: after the restore we still check it worked!*/ - if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0 - || put_eol(fd) == FAIL) - return FAIL; - } - -#ifdef FEAT_GUI - if (gui.in_use && (ssop_flags & SSOP_WINPOS)) - { - int x, y; - - if (gui_mch_get_winpos(&x, &y) == OK) - { - /* Note: after the restore we still check it worked!*/ - if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL) - return FAIL; - } - } -#endif - - /* - * When there are two or more tabpages and 'showtabline' is 1 the tabline - * will be displayed when creating the next tab. That resizes the windows - * in the first tab, which may cause problems. Set 'showtabline' to 2 - * temporarily to avoid that. - */ - if (p_stal == 1 && first_tabpage->tp_next != NULL) - { - if (put_line(fd, "set stal=2") == FAIL) - return FAIL; - restore_stal = TRUE; - } - - /* - * May repeat putting Windows for each tab, when "tabpages" is in - * 'sessionoptions'. - * Don't use goto_tabpage(), it may change directory and trigger - * autocommands. - */ - tab_firstwin = firstwin; /* first window in tab page "tabnr" */ - tab_topframe = topframe; - if ((ssop_flags & SSOP_TABPAGES)) - { - tabpage_T *tp; - - // Similar to ses_win_rec() below, populate the tab pages first so - // later local options won't be copied to the new tabs. - FOR_ALL_TABPAGES(tp) - if (tp->tp_next != NULL && put_line(fd, "tabnew") == FAIL) - return FAIL; - if (first_tabpage->tp_next != NULL && put_line(fd, "tabrewind") == FAIL) - return FAIL; - } - for (tabnr = 1; ; ++tabnr) - { - tabpage_T *tp = NULL; - int need_tabnext = FALSE; - int cnr = 1; - - if ((ssop_flags & SSOP_TABPAGES)) - { - tp = find_tabpage(tabnr); - - if (tp == NULL) - break; /* done all tab pages */ - if (tp == curtab) - { - tab_firstwin = firstwin; - tab_topframe = topframe; - } - else - { - tab_firstwin = tp->tp_firstwin; - tab_topframe = tp->tp_topframe; - } - if (tabnr > 1) - need_tabnext = TRUE; - } - - /* - * Before creating the window layout, try loading one file. If this - * is aborted we don't end up with a number of useless windows. - * This may have side effects! (e.g., compressed or network file). - */ - for (wp = tab_firstwin; wp != NULL; wp = wp->w_next) - { - if (ses_do_win(wp) - && wp->w_buffer->b_ffname != NULL - && !bt_help(wp->w_buffer) -#ifdef FEAT_QUICKFIX - && !bt_nofilename(wp->w_buffer) -#endif - ) - { - if (need_tabnext && put_line(fd, "tabnext") == FAIL) - return FAIL; - need_tabnext = FALSE; - - if (fputs("edit ", fd) < 0 - || ses_fname(fd, wp->w_buffer, &ssop_flags, TRUE) - == FAIL) - return FAIL; - if (!wp->w_arg_idx_invalid) - edited_win = wp; - break; - } - } - - /* If no file got edited create an empty tab page. */ - if (need_tabnext && put_line(fd, "tabnext") == FAIL) - return FAIL; - - /* - * Save current window layout. - */ - if (put_line(fd, "set splitbelow splitright") == FAIL) - return FAIL; - if (ses_win_rec(fd, tab_topframe) == FAIL) - return FAIL; - if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL) - return FAIL; - if (!p_spr && put_line(fd, "set nosplitright") == FAIL) - return FAIL; - - /* - * Check if window sizes can be restored (no windows omitted). - * Remember the window number of the current window after restoring. - */ - nr = 0; - for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp)) - { - if (ses_do_win(wp)) - ++nr; - else - restore_size = FALSE; - if (curwin == wp) - cnr = nr; - } - - /* Go to the first window. */ - if (put_line(fd, "wincmd t") == FAIL) - return FAIL; - - /* - * If more than one window, see if sizes can be restored. - * First set 'winheight' and 'winwidth' to 1 to avoid the windows being - * resized when moving between windows. - * Do this before restoring the view, so that the topline and the - * cursor can be set. This is done again below. - * winminheight and winminwidth need to be set to avoid an error if the - * user has set winheight or winwidth. - */ - if (put_line(fd, "set winminheight=0") == FAIL - || put_line(fd, "set winheight=1") == FAIL - || put_line(fd, "set winminwidth=0") == FAIL - || put_line(fd, "set winwidth=1") == FAIL) - return FAIL; - if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL) - return FAIL; - - // Restore the tab-local working directory if specified - // Do this before the windows, so that the window-local directory can - // override the tab-local directory. - if (tp != NULL && tp->tp_localdir != NULL && ssop_flags & SSOP_CURDIR) - { - if (fputs("tcd ", fd) < 0 - || ses_put_fname(fd, tp->tp_localdir, &ssop_flags) == FAIL - || put_eol(fd) == FAIL) - return FAIL; - did_lcd = TRUE; - } - - /* - * Restore the view of the window (options, file, cursor, etc.). - */ - for (wp = tab_firstwin; wp != NULL; wp = wp->w_next) - { - if (!ses_do_win(wp)) - continue; - if (put_view(fd, wp, wp != edited_win, &ssop_flags, - cur_arg_idx) == FAIL) - return FAIL; - if (nr > 1 && put_line(fd, "wincmd w") == FAIL) - return FAIL; - next_arg_idx = wp->w_arg_idx; - } - - /* The argument index in the first tab page is zero, need to set it in - * each window. For further tab pages it's the window where we do - * "tabedit". */ - cur_arg_idx = next_arg_idx; - - /* - * Restore cursor to the current window if it's not the first one. - */ - if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0 - || put_eol(fd) == FAIL)) - return FAIL; - - /* - * Restore window sizes again after jumping around in windows, because - * the current window has a minimum size while others may not. - */ - if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL) - return FAIL; - - /* Don't continue in another tab page when doing only the current one - * or when at the last tab page. */ - if (!(ssop_flags & SSOP_TABPAGES)) - break; - } - - if (ssop_flags & SSOP_TABPAGES) - { - if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0 - || put_eol(fd) == FAIL) - return FAIL; - } - if (restore_stal && put_line(fd, "set stal=1") == FAIL) - return FAIL; - - // Now put the remaining buffers into the buffer list. - // This is near the end, so that when 'hidden' is set we don't create extra - // buffers. If the buffer was already created with another command the - // ":badd" will have no effect. - FOR_ALL_BUFFERS(buf) - { - if (!(only_save_windows && buf->b_nwindows == 0) - && !(buf->b_help && !(ssop_flags & SSOP_HELP)) -#ifdef FEAT_TERMINAL - // Skip terminal buffers: finished ones are not useful, others - // will be resurrected and result in a new buffer. - && !bt_terminal(buf) -#endif - && buf->b_fname != NULL - && buf->b_p_bl) - { - if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L - : buf->b_wininfo->wi_fpos.lnum) < 0 - || ses_fname(fd, buf, &ssop_flags, TRUE) == FAIL) - return FAIL; - } - } - - /* - * Wipe out an empty unnamed buffer we started in. - */ - if (put_line(fd, "if exists('s:wipebuf') && len(win_findbuf(s:wipebuf)) == 0") - == FAIL) - return FAIL; - if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL) - return FAIL; - if (put_line(fd, "endif") == FAIL) - return FAIL; - if (put_line(fd, "unlet! s:wipebuf") == FAIL) - return FAIL; - - /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */ - if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s", - p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL) - return FAIL; - /* Re-apply 'winminheight' and 'winminwidth'. */ - if (fprintf(fd, "set winminheight=%ld winminwidth=%ld", - p_wmh, p_wmw) < 0 || put_eol(fd) == FAIL) - return FAIL; - - /* - * Lastly, execute the x.vim file if it exists. - */ - if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL - || put_line(fd, "if file_readable(s:sx)") == FAIL - || put_line(fd, " exe \"source \" . fnameescape(s:sx)") == FAIL - || put_line(fd, "endif") == FAIL) - return FAIL; - - return OK; -} - - static int -ses_winsizes( - FILE *fd, - int restore_size, - win_T *tab_firstwin) -{ - int n = 0; - win_T *wp; - - if (restore_size && (ssop_flags & SSOP_WINSIZE)) - { - for (wp = tab_firstwin; wp != NULL; wp = wp->w_next) - { - if (!ses_do_win(wp)) - continue; - ++n; - - /* restore height when not full height */ - if (wp->w_height + wp->w_status_height < topframe->fr_height - && (fprintf(fd, - "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)", - n, (long)wp->w_height, Rows / 2, Rows) < 0 - || put_eol(fd) == FAIL)) - return FAIL; - - /* restore width when not full width */ - if (wp->w_width < Columns && (fprintf(fd, - "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)", - n, (long)wp->w_width, Columns / 2, Columns) < 0 - || put_eol(fd) == FAIL)) - return FAIL; - } - } - else - { - /* Just equalise window sizes */ - if (put_line(fd, "wincmd =") == FAIL) - return FAIL; - } - return OK; -} - -/* - * Write commands to "fd" to recursively create windows for frame "fr", - * horizontally and vertically split. - * After the commands the last window in the frame is the current window. - * Returns FAIL when writing the commands to "fd" fails. - */ - static int -ses_win_rec(FILE *fd, frame_T *fr) -{ - frame_T *frc; - int count = 0; - - if (fr->fr_layout != FR_LEAF) - { - /* Find first frame that's not skipped and then create a window for - * each following one (first frame is already there). */ - frc = ses_skipframe(fr->fr_child); - if (frc != NULL) - while ((frc = ses_skipframe(frc->fr_next)) != NULL) - { - /* Make window as big as possible so that we have lots of room - * to split. */ - if (put_line(fd, "wincmd _ | wincmd |") == FAIL - || put_line(fd, fr->fr_layout == FR_COL - ? "split" : "vsplit") == FAIL) - return FAIL; - ++count; - } - - /* Go back to the first window. */ - if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL - ? "%dwincmd k" : "%dwincmd h", count) < 0 - || put_eol(fd) == FAIL)) - return FAIL; - - /* Recursively create frames/windows in each window of this column or - * row. */ - frc = ses_skipframe(fr->fr_child); - while (frc != NULL) - { - ses_win_rec(fd, frc); - frc = ses_skipframe(frc->fr_next); - /* Go to next window. */ - if (frc != NULL && put_line(fd, "wincmd w") == FAIL) - return FAIL; - } - } - return OK; -} - -/* - * Skip frames that don't contain windows we want to save in the Session. - * Returns NULL when there none. - */ - static frame_T * -ses_skipframe(frame_T *fr) -{ - frame_T *frc; - - FOR_ALL_FRAMES(frc, fr) - if (ses_do_frame(frc)) - break; - return frc; -} - -/* - * Return TRUE if frame "fr" has a window somewhere that we want to save in - * the Session. - */ - static int -ses_do_frame(frame_T *fr) -{ - frame_T *frc; - - if (fr->fr_layout == FR_LEAF) - return ses_do_win(fr->fr_win); - FOR_ALL_FRAMES(frc, fr->fr_child) - if (ses_do_frame(frc)) - return TRUE; - return FALSE; -} - -/* - * Return non-zero if window "wp" is to be stored in the Session. - */ - static int -ses_do_win(win_T *wp) -{ -#ifdef FEAT_TERMINAL - if (bt_terminal(wp->w_buffer)) - return !term_is_finished(wp->w_buffer) - && (ssop_flags & SSOP_TERMINAL) - && term_should_restore(wp->w_buffer); -#endif - if (wp->w_buffer->b_fname == NULL -#ifdef FEAT_QUICKFIX - /* When 'buftype' is "nofile" can't restore the window contents. */ - || bt_nofilename(wp->w_buffer) -#endif - ) - return (ssop_flags & SSOP_BLANK); - if (bt_help(wp->w_buffer)) - return (ssop_flags & SSOP_HELP); - return TRUE; -} - - static int -put_view_curpos(FILE *fd, win_T *wp, char *spaces) -{ - int r; - - if (wp->w_curswant == MAXCOL) - r = fprintf(fd, "%snormal! $", spaces); - else - r = fprintf(fd, "%snormal! 0%d|", spaces, wp->w_virtcol + 1); - return r < 0 || put_eol(fd) == FAIL ? FALSE : OK; -} - -/* - * Write commands to "fd" to restore the view of a window. - * Caller must make sure 'scrolloff' is zero. - */ - static int -put_view( - FILE *fd, - win_T *wp, - int add_edit, /* add ":edit" command to view */ - unsigned *flagp, /* vop_flags or ssop_flags */ - int current_arg_idx) /* current argument index of the window, use - * -1 if unknown */ -{ - win_T *save_curwin; - int f; - int do_cursor; - int did_next = FALSE; - - /* Always restore cursor position for ":mksession". For ":mkview" only - * when 'viewoptions' contains "cursor". */ - do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR); - - /* - * Local argument list. - */ - if (wp->w_alist == &global_alist) - { - if (put_line(fd, "argglobal") == FAIL) - return FAIL; - } - else - { - if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga, - flagp == &vop_flags - || !(*flagp & SSOP_CURDIR) - || wp->w_localdir != NULL, flagp) == FAIL) - return FAIL; - } - - /* Only when part of a session: restore the argument index. Some - * arguments may have been deleted, check if the index is valid. */ - if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx < WARGCOUNT(wp) - && flagp == &ssop_flags) - { - if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0 - || put_eol(fd) == FAIL) - return FAIL; - did_next = TRUE; - } - - /* Edit the file. Skip this when ":next" already did it. */ - if (add_edit && (!did_next || wp->w_arg_idx_invalid)) - { -# ifdef FEAT_TERMINAL - if (bt_terminal(wp->w_buffer)) - { - if (term_write_session(fd, wp) == FAIL) - return FAIL; - } - else -# endif - /* - * Load the file. - */ - if (wp->w_buffer->b_ffname != NULL -# ifdef FEAT_QUICKFIX - && !bt_nofilename(wp->w_buffer) -# endif - ) - { - /* - * Editing a file in this buffer: use ":edit file". - * This may have side effects! (e.g., compressed or network file). - * - * Note, if a buffer for that file already exists, use :badd to - * edit that buffer, to not lose folding information (:edit resets - * folds in other buffers) - */ - if (fputs("if bufexists(\"", fd) < 0 - || ses_fname(fd, wp->w_buffer, flagp, FALSE) == FAIL - || fputs("\") | buffer ", fd) < 0 - || ses_fname(fd, wp->w_buffer, flagp, FALSE) == FAIL - || fputs(" | else | edit ", fd) < 0 - || ses_fname(fd, wp->w_buffer, flagp, FALSE) == FAIL - || fputs(" | endif", fd) < 0 - || put_eol(fd) == FAIL) - return FAIL; - } - else - { - /* No file in this buffer, just make it empty. */ - if (put_line(fd, "enew") == FAIL) - return FAIL; -#ifdef FEAT_QUICKFIX - if (wp->w_buffer->b_ffname != NULL) - { - /* The buffer does have a name, but it's not a file name. */ - if (fputs("file ", fd) < 0 - || ses_fname(fd, wp->w_buffer, flagp, TRUE) == FAIL) - return FAIL; - } -#endif - do_cursor = FALSE; - } - } - - /* - * Local mappings and abbreviations. - */ - if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS)) - && makemap(fd, wp->w_buffer) == FAIL) - return FAIL; - - /* - * Local options. Need to go to the window temporarily. - * Store only local values when using ":mkview" and when ":mksession" is - * used and 'sessionoptions' doesn't include "options". - * Some folding options are always stored when "folds" is included, - * otherwise the folds would not be restored correctly. - */ - save_curwin = curwin; - curwin = wp; - curbuf = curwin->w_buffer; - if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS)) - f = makeset(fd, OPT_LOCAL, - flagp == &vop_flags || !(*flagp & SSOP_OPTIONS)); -#ifdef FEAT_FOLDING - else if (*flagp & SSOP_FOLDS) - f = makefoldset(fd); -#endif - else - f = OK; - curwin = save_curwin; - curbuf = curwin->w_buffer; - if (f == FAIL) - return FAIL; - -#ifdef FEAT_FOLDING - /* - * Save Folds when 'buftype' is empty and for help files. - */ - if ((*flagp & SSOP_FOLDS) - && wp->w_buffer->b_ffname != NULL - && (bt_normal(wp->w_buffer) || bt_help(wp->w_buffer))) - { - if (put_folds(fd, wp) == FAIL) - return FAIL; - } -#endif - - /* - * Set the cursor after creating folds, since that moves the cursor. - */ - if (do_cursor) - { - - /* Restore the cursor line in the file and relatively in the - * window. Don't use "G", it changes the jumplist. */ - if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)", - (long)wp->w_cursor.lnum, - (long)(wp->w_cursor.lnum - wp->w_topline), - (long)wp->w_height / 2, (long)wp->w_height) < 0 - || put_eol(fd) == FAIL - || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL - || put_line(fd, "exe s:l") == FAIL - || put_line(fd, "normal! zt") == FAIL - || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0 - || put_eol(fd) == FAIL) - return FAIL; - /* Restore the cursor column and left offset when not wrapping. */ - if (wp->w_cursor.col == 0) - { - if (put_line(fd, "normal! 0") == FAIL) - return FAIL; - } - else - { - if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0) - { - if (fprintf(fd, - "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)", - (long)wp->w_virtcol + 1, - (long)(wp->w_virtcol - wp->w_leftcol), - (long)wp->w_width / 2, (long)wp->w_width) < 0 - || put_eol(fd) == FAIL - || put_line(fd, "if s:c > 0") == FAIL - || fprintf(fd, - " exe 'normal! ' . s:c . '|zs' . %ld . '|'", - (long)wp->w_virtcol + 1) < 0 - || put_eol(fd) == FAIL - || put_line(fd, "else") == FAIL - || put_view_curpos(fd, wp, " ") == FAIL - || put_line(fd, "endif") == FAIL) - return FAIL; - } - else if (put_view_curpos(fd, wp, "") == FAIL) - return FAIL; - } - } - - /* - * Local directory, if the current flag is not view options or the "curdir" - * option is included. - */ - if (wp->w_localdir != NULL - && (flagp != &vop_flags || (*flagp & SSOP_CURDIR))) - { - if (fputs("lcd ", fd) < 0 - || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL - || put_eol(fd) == FAIL) - return FAIL; - did_lcd = TRUE; - } - - return OK; -} - -/* - * Write an argument list to the session file. - * Returns FAIL if writing fails. - */ - static int -ses_arglist( - FILE *fd, - char *cmd, - garray_T *gap, - int fullname, /* TRUE: use full path name */ - unsigned *flagp) -{ - int i; - char_u *buf = NULL; - char_u *s; - - if (fputs(cmd, fd) < 0 || put_eol(fd) == FAIL) - return FAIL; - if (put_line(fd, "%argdel") == FAIL) - return FAIL; - for (i = 0; i < gap->ga_len; ++i) - { - /* NULL file names are skipped (only happens when out of memory). */ - s = alist_name(&((aentry_T *)gap->ga_data)[i]); - if (s != NULL) - { - if (fullname) - { - buf = alloc(MAXPATHL); - if (buf != NULL) - { - (void)vim_FullName(s, buf, MAXPATHL, FALSE); - s = buf; - } - } - if (fputs("$argadd ", fd) < 0 - || ses_put_fname(fd, s, flagp) == FAIL - || put_eol(fd) == FAIL) - { - vim_free(buf); - return FAIL; - } - vim_free(buf); - } - } - return OK; -} - -/* - * Write a buffer name to the session file. - * Also ends the line, if "add_eol" is TRUE. - * Returns FAIL if writing fails. - */ - static int -ses_fname(FILE *fd, buf_T *buf, unsigned *flagp, int add_eol) -{ - char_u *name; - - /* Use the short file name if the current directory is known at the time - * the session file will be sourced. - * Don't do this for ":mkview", we don't know the current directory. - * Don't do this after ":lcd", we don't keep track of what the current - * directory is. */ - if (buf->b_sfname != NULL - && flagp == &ssop_flags - && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR)) -#ifdef FEAT_AUTOCHDIR - && !p_acd -#endif - && !did_lcd) - name = buf->b_sfname; - else - name = buf->b_ffname; - if (ses_put_fname(fd, name, flagp) == FAIL - || (add_eol && put_eol(fd) == FAIL)) - return FAIL; - return OK; -} - -/* - * Write a file name to the session file. - * Takes care of the "slash" option in 'sessionoptions' and escapes special - * characters. - * Returns FAIL if writing fails or out of memory. - */ - static int -ses_put_fname(FILE *fd, char_u *name, unsigned *flagp) -{ - char_u *sname; - char_u *p; - int retval = OK; - - sname = home_replace_save(NULL, name); - if (sname == NULL) - return FAIL; - - if (*flagp & SSOP_SLASH) - { - /* change all backslashes to forward slashes */ - for (p = sname; *p != NUL; MB_PTR_ADV(p)) - if (*p == '\\') - *p = '/'; - } - - /* escape special characters */ - p = vim_strsave_fnameescape(sname, FALSE); - vim_free(sname); - if (p == NULL) - return FAIL; - - /* write the result */ - if (fputs((char *)p, fd) < 0) - retval = FAIL; - - vim_free(p); - return retval; -} - -/* - * ":loadview [nr]" - */ - static void -ex_loadview(exarg_T *eap) -{ - char_u *fname; - - fname = get_view_file(*eap->arg); - if (fname != NULL) - { - do_source(fname, FALSE, DOSO_NONE); - vim_free(fname); - } -} - -/* - * Get the name of the view file for the current buffer. - */ - static char_u * -get_view_file(int c) -{ - int len = 0; - char_u *p, *s; - char_u *retval; - char_u *sname; - - if (curbuf->b_ffname == NULL) - { - emsg(_(e_noname)); - return NULL; - } - sname = home_replace_save(NULL, curbuf->b_ffname); - if (sname == NULL) - return NULL; - - /* - * We want a file name without separators, because we're not going to make - * a directory. - * "normal" path separator -> "=+" - * "=" -> "==" - * ":" path separator -> "=-" - */ - for (p = sname; *p; ++p) - if (*p == '=' || vim_ispathsep(*p)) - ++len; - retval = alloc(STRLEN(sname) + len + STRLEN(p_vdir) + 9); - if (retval != NULL) - { - STRCPY(retval, p_vdir); - add_pathsep(retval); - s = retval + STRLEN(retval); - for (p = sname; *p; ++p) - { - if (*p == '=') - { - *s++ = '='; - *s++ = '='; - } - else if (vim_ispathsep(*p)) - { - *s++ = '='; -#if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(VMS) - if (*p == ':') - *s++ = '-'; - else -#endif - *s++ = '+'; - } - else - *s++ = *p; - } - *s++ = '='; - *s++ = c; - STRCPY(s, ".vim"); - } - - vim_free(sname); - return retval; -} - -#endif /* FEAT_SESSION */ - -/* - * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession". - * Return FAIL for a write error. - */ - int -put_eol(FILE *fd) -{ - if ( -#ifdef USE_CRNL - ( -# ifdef MKSESSION_NL - !mksession_nl && -# endif - (putc('\r', fd) < 0)) || -#endif - (putc('\n', fd) < 0)) - return FAIL; - return OK; -} - -/* - * Write a line to "fd". - * Return FAIL for a write error. - */ - int -put_line(FILE *fd, char *s) -{ - if (fputs(s, fd) < 0 || put_eol(fd) == FAIL) - return FAIL; - return OK; -} - #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO) /* * Make a dialog message in "buff[DIALOG_MSG_SIZE]".