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a036a0d1f2
Reviewed by: Sean Eric Fagan
213 lines
5.1 KiB
C
213 lines
5.1 KiB
C
/*-
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* Copyright (c) 1992, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static char sccsid[] = "@(#)ex_print.c 8.16 (Berkeley) 8/17/94";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/queue.h>
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#include <sys/time.h>
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#include <bitstring.h>
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#include <ctype.h>
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#include <limits.h>
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#include <signal.h>
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#include <stdio.h>
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#include <string.h>
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#include <termios.h>
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#include "compat.h"
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#include <db.h>
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#include <regex.h>
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#include "vi.h"
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#include "excmd.h"
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/*
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* ex_list -- :[line [,line]] l[ist] [count] [flags]
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*
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* Display the addressed lines such that the output is unambiguous.
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*/
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int
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ex_list(sp, ep, cmdp)
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SCR *sp;
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EXF *ep;
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EXCMDARG *cmdp;
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{
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if (ex_print(sp, ep,
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&cmdp->addr1, &cmdp->addr2, cmdp->flags | E_F_LIST))
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return (1);
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sp->lno = cmdp->addr2.lno;
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sp->cno = cmdp->addr2.cno;
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return (0);
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}
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/*
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* ex_number -- :[line [,line]] nu[mber] [count] [flags]
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*
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* Display the addressed lines with a leading line number.
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*/
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int
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ex_number(sp, ep, cmdp)
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SCR *sp;
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EXF *ep;
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EXCMDARG *cmdp;
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{
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if (ex_print(sp, ep,
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&cmdp->addr1, &cmdp->addr2, cmdp->flags | E_F_HASH))
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return (1);
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sp->lno = cmdp->addr2.lno;
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sp->cno = cmdp->addr2.cno;
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return (0);
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}
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/*
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* ex_pr -- :[line [,line]] p[rint] [count] [flags]
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*
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* Display the addressed lines.
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*/
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int
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ex_pr(sp, ep, cmdp)
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SCR *sp;
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EXF *ep;
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EXCMDARG *cmdp;
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{
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if (ex_print(sp, ep, &cmdp->addr1, &cmdp->addr2, cmdp->flags))
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return (1);
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sp->lno = cmdp->addr2.lno;
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sp->cno = cmdp->addr2.cno;
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return (0);
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}
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/*
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* ex_print --
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* Print the selected lines.
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*/
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int
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ex_print(sp, ep, fp, tp, flags)
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SCR *sp;
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EXF *ep;
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MARK *fp, *tp;
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register int flags;
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{
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recno_t from, to;
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size_t col, len;
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char *p;
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F_SET(sp, S_INTERRUPTIBLE);
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for (from = fp->lno, to = tp->lno; from <= to; ++from) {
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/*
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* Display the line number. The %6 format is specified
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* by POSIX 1003.2, and is almost certainly large enough.
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* Check, though, just in case.
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*/
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if (LF_ISSET(E_F_HASH))
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if (from <= 999999)
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col = ex_printf(EXCOOKIE, "%6ld ", from);
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else
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col = ex_printf(EXCOOKIE, "TOOBIG ");
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else
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col = 0;
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/*
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* Display the line. The format for E_F_PRINT isn't very good,
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* especially in handling end-of-line tabs, but they're almost
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* backward compatible.
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*/
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if ((p = file_gline(sp, ep, from, &len)) == NULL) {
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GETLINE_ERR(sp, from);
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return (1);
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}
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if (len == 0 && !LF_ISSET(E_F_LIST))
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(void)ex_printf(EXCOOKIE, "\n");
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else if (ex_ldisplay(sp, p, len, col, flags))
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return (1);
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if (INTERRUPTED(sp))
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break;
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}
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return (0);
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}
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/*
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* ex_ldisplay --
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* Display a line.
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*/
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int
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ex_ldisplay(sp, lp, len, col, flags)
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SCR *sp;
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CHAR_T *lp;
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size_t len, col;
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u_int flags;
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{
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CHAR_T ch, *kp;
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u_long ts;
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size_t tlen;
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ts = O_VAL(sp, O_TABSTOP);
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for (;; --len) {
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if (len > 0)
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ch = *lp++;
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else if (LF_ISSET(E_F_LIST))
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ch = '$';
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else
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break;
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if (ch == '\t' && !LF_ISSET(E_F_LIST))
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for (tlen = ts - col % ts;
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col < sp->cols && tlen--; ++col)
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(void)ex_printf(EXCOOKIE, " ");
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else {
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kp = KEY_NAME(sp, ch);
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tlen = KEY_LEN(sp, ch);
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if (col + tlen < sp->cols) {
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(void)ex_printf(EXCOOKIE, "%s", kp);
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col += tlen;
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} else
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for (; tlen--; ++kp, ++col) {
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if (col == sp->cols) {
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col = 0;
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(void)ex_printf(EXCOOKIE, "\n");
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}
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(void)ex_printf(EXCOOKIE, "%c", *kp);
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}
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}
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if (len == 0)
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break;
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}
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(void)ex_printf(EXCOOKIE, "\n");
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return (0);
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}
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