/*- * Copyright (c) 1992, 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_append.c 8.1 (Berkeley) 6/9/93"; #endif /* not lint */ #include <sys/types.h> #include "vi.h" #include "excmd.h" enum which {APPEND, CHANGE}; static int ac __P((SCR *, EXF *, EXCMDARG *, enum which)); /* * ex_append -- :address append[!] * Append one or more lines of new text after the specified line, * or the current line if no address is specified. */ int ex_append(sp, ep, cmdp) SCR *sp; EXF *ep; EXCMDARG *cmdp; { return (ac(sp, ep, cmdp, APPEND)); } /* * ex_change -- :range change[!] [count] * Change one or more lines to the input text. */ int ex_change(sp, ep, cmdp) SCR *sp; EXF *ep; EXCMDARG *cmdp; { return (ac(sp, ep, cmdp, CHANGE)); } static int ac(sp, ep, cmdp, cmd) SCR *sp; EXF *ep; EXCMDARG *cmdp; enum which cmd; { MARK m; TEXT *tp; recno_t cnt; int rval, set; /* The ! flag turns off autoindent for change and append. */ if (F_ISSET(cmdp, E_FORCE)) { set = O_ISSET(sp, O_AUTOINDENT); O_CLR(sp, O_AUTOINDENT); } else set = 0; rval = 0; /* * If doing a change, replace lines as long as possible. * Then, append more lines, or delete remaining lines. */ m = cmdp->addr1; if (m.lno == 0) cmd = APPEND; if (cmd == CHANGE) for (;; ++m.lno) { if (m.lno > cmdp->addr2.lno) { cmd = APPEND; --m.lno; break; } if (sp->s_get(sp, ep, &sp->bhdr, 0, TXT_BEAUTIFY | TXT_CR | TXT_NLECHO)) { rval = 1; goto done; } tp = sp->bhdr.next; if (tp->len == 1 && tp->lb[0] == '.') { cnt = cmdp->addr2.lno - m.lno; while (cnt--) if (file_dline(sp, ep, m.lno)) { rval = 1; goto done; } goto done; } if (file_sline(sp, ep, m.lno, tp->lb, tp->len)) { rval = 1; goto done; } } if (cmd == APPEND) for (;; ++m.lno) { if (sp->s_get(sp, ep, &sp->bhdr, 0, TXT_BEAUTIFY | TXT_CR | TXT_NLECHO)) { rval = 1; goto done; } tp = sp->bhdr.next; if (tp->len == 1 && tp->lb[0] == '.') break; if (file_aline(sp, ep, 1, m.lno, tp->lb, tp->len)) { rval = 1; goto done; } } done: if (rval == 0) { /* * XXX * Not sure historical ex set autoprint for change/append. * Hack for user giving us line zero and then never putting * anything in the file. */ if (m.lno != 0) F_SET(sp, S_AUTOPRINT); /* Set the cursor. */ sp->lno = m.lno; } if (set) O_SET(sp, O_AUTOINDENT); return (rval); }