diff options
Diffstat (limited to 'usr.bin/vi/nex/ex_args.c')
| -rw-r--r-- | usr.bin/vi/nex/ex_args.c | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/usr.bin/vi/nex/ex_args.c b/usr.bin/vi/nex/ex_args.c deleted file mode 100644 index 2f96df727dd8..000000000000 --- a/usr.bin/vi/nex/ex_args.c +++ /dev/null @@ -1,274 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef lint -static char sccsid[] = "@(#)ex_args.c 8.13 (Berkeley) 12/20/93"; -#endif /* not lint */ - -#include <sys/types.h> - -#include <errno.h> -#include <stdlib.h> -#include <string.h> - -#include "vi.h" -#include "excmd.h" - -/* - * ex_next -- :next [files] - * Edit the next file, optionally setting the list of files. - * - * !!! - * The :next command behaved differently from the :rewind command in - * historic vi. See nvi/docs/autowrite for details, but the basic - * idea was that it ignored the force flag if the autowrite flag was - * set. This implementation handles them all identically. - */ -int -ex_next(sp, ep, cmdp) - SCR *sp; - EXF *ep; - EXCMDARG *cmdp; -{ - ARGS **argv; - FREF *frp; - char *name; - - MODIFY_CHECK(sp, ep, F_ISSET(cmdp, E_FORCE)); - - if (cmdp->argc) { - /* Mark all the current files as ignored. */ - for (frp = sp->frefq.cqh_first; - frp != (FREF *)&sp->frefq; frp = frp->q.cqe_next) - F_SET(frp, FR_IGNORE); - - /* Add the new files into the file list. */ - for (argv = cmdp->argv; argv[0]->len != 0; ++argv) - if (file_add(sp, NULL, argv[0]->bp, 0) == NULL) - return (1); - - if ((frp = file_first(sp)) == NULL) - return (1); - } else if ((frp = file_next(sp, sp->a_frp)) == NULL) { - msgq(sp, M_ERR, "No more files to edit."); - return (1); - } - - /* - * There's a tricky sequence, where the user edits two files, e.g. - * "x" and "y". While in "x", they do ":e y|:f foo", which changes - * the name of that FRP entry. Then, the :n command finds the file - * "y" with a name change. If the file name has been changed, get - * a new FREF for the original file name, and make it be the one that - * is displayed in the argument list, not the one with the name change. - */ - if (frp->cname != NULL) { - F_SET(frp, FR_IGNORE); - name = frp->name == NULL ? frp->tname : frp->name; - if ((frp = file_add(sp, sp->a_frp, name, 0)) == NULL) - return (1); - } - if (file_init(sp, frp, NULL, F_ISSET(cmdp, E_FORCE))) - return (1); - sp->a_frp = frp; - F_SET(sp, S_FSWITCH); - return (0); -} - -/* - * ex_prev -- :prev - * Edit the previous file. - */ -int -ex_prev(sp, ep, cmdp) - SCR *sp; - EXF *ep; - EXCMDARG *cmdp; -{ - FREF *frp; - char *name; - - MODIFY_CHECK(sp, ep, F_ISSET(cmdp, E_FORCE)); - - if ((frp = file_prev(sp, sp->a_frp)) == NULL) { - msgq(sp, M_ERR, "No previous files to edit."); - return (1); - } - - /* See comment in ex_next(). */ - if (frp->cname != NULL) { - F_SET(frp, FR_IGNORE); - name = frp->name == NULL ? frp->tname : frp->name; - if ((frp = file_add(sp, frp, name, 0)) == NULL) - return (1); - } - if (file_init(sp, frp, NULL, F_ISSET(cmdp, E_FORCE))) - return (1); - sp->a_frp = frp; - F_SET(sp, S_FSWITCH); - return (0); -} - -/* - * ex_rew -- :rew - * Re-edit the list of files. - */ -int -ex_rew(sp, ep, cmdp) - SCR *sp; - EXF *ep; - EXCMDARG *cmdp; -{ - FREF *frp, *tfrp; - - /* - * !!! - * Historic practice -- you can rewind to the current file. - */ - if ((frp = file_first(sp)) == NULL) { - msgq(sp, M_ERR, "No previous files to rewind."); - return (1); - } - - MODIFY_CHECK(sp, ep, F_ISSET(cmdp, E_FORCE)); - - /* - * !!! - * Historic practice, turn off the edited bit. The :next and :prev - * code will discard any name changes, so ignore them here. Start - * at the beginning of the file, too. - */ - for (tfrp = sp->frefq.cqh_first; - tfrp != (FREF *)&sp->frefq; tfrp = tfrp->q.cqe_next) - F_CLR(tfrp, FR_CHANGEWRITE | FR_CURSORSET | FR_EDITED); - - if (file_init(sp, frp, NULL, F_ISSET(cmdp, E_FORCE))) - return (1); - sp->a_frp = frp; - F_SET(sp, S_FSWITCH); - return (0); -} - -/* - * ex_args -- :args - * Display the list of files. - */ -int -ex_args(sp, ep, cmdp) - SCR *sp; - EXF *ep; - EXCMDARG *cmdp; -{ - FREF *frp; - int cnt, col, iscur, len, nlen, sep; - char *name; - - /* - * !!! - * Ignore files that aren't in the "argument" list unless they are the - * one we're currently editing. I'm not sure this is right, but the - * historic vi behavior of not showing the current file if it was the - * result of a ":e" command, or if the file name was changed was wrong. - * This is actually pretty tricky, don't modify it without thinking it - * through. There have been a lot of problems in here. - * - * Also, historic practice was to display the original name of the file - * even if the user had used a file command to change the file name. - * Confusing, at best. We show both names: the original as that's what - * the user will get in a next, prev or rewind, and the new one since - * that's what the user is actually editing now. - * - * When we find the "argument" FREF, i.e. the current location in the - * user's argument list, if it's not the same as the current FREF, we - * display the current FREF as following the argument in the list. - * This means that if the user edits three files, "x", "y" and "z", and - * then does a :e command in the file "x" to edit "z", "z" will appear - * in the list twice. - */ - col = len = sep = 0; - for (cnt = 1, frp = sp->frefq.cqh_first; - frp != (FREF *)&sp->frefq; frp = frp->q.cqe_next) { - iscur = 0; - /* - * If the last argument FREF structure, and we're editing - * it, set the current bit. Otherwise, we'll display it, - * then the file we're editing, and the latter will have - * the current bit set. - */ - if (frp == sp->a_frp) { - if (frp == sp->frp && frp->cname == NULL) - iscur = 1; - } else if (F_ISSET(frp, FR_IGNORE)) - continue; - name = frp->name == NULL ? frp->tname : frp->name; - /* - * Mistake. The user edited a temporary file (vi /tmp), then - * switched to another file (:e file). The argument FREF is - * pointing to the temporary file, but it doesn't have a name. - * Gracefully recover through the creative use of goto's. - */ - if (name == NULL) - goto testcur; -extra: nlen = strlen(name); - col += len = nlen + sep + (iscur ? 2 : 0); - if (col >= sp->cols - 1) { - col = len; - sep = 0; - (void)ex_printf(EXCOOKIE, "\n"); - } else if (cnt != 1) { - sep = 1; - (void)ex_printf(EXCOOKIE, " "); - } - ++cnt; - - if (iscur) - (void)ex_printf(EXCOOKIE, "[%s]", name); - else { - (void)ex_printf(EXCOOKIE, "%s", name); -testcur: if (frp == sp->a_frp) { - if (frp != sp->frp) - name = FILENAME(sp->frp); - else - name = frp->cname; - iscur = 1; - goto extra; - } - } - } - /* This should never happen; left in because it's been known to. */ - if (cnt == 1) - (void)ex_printf(EXCOOKIE, "No files.\n"); - else - (void)ex_printf(EXCOOKIE, "\n"); - return (0); -} |