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Diffstat (limited to 'usr.bin/vi/nvi/v_paragraph.c')
-rw-r--r--usr.bin/vi/nvi/v_paragraph.c273
1 files changed, 0 insertions, 273 deletions
diff --git a/usr.bin/vi/nvi/v_paragraph.c b/usr.bin/vi/nvi/v_paragraph.c
deleted file mode 100644
index 00591cbe899e..000000000000
--- a/usr.bin/vi/nvi/v_paragraph.c
+++ /dev/null
@@ -1,273 +0,0 @@
-/*-
- * 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[] = "@(#)v_paragraph.c 8.4 (Berkeley) 12/9/93";
-#endif /* not lint */
-
-#include <sys/types.h>
-
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "vi.h"
-#include "vcmd.h"
-
-/*
- * Paragraphs are empty lines after text or values from the paragraph or
- * section options.
- */
-
-/*
- * v_paragraphf -- [count]}
- * Move forward count paragraphs.
- */
-int
-v_paragraphf(sp, ep, vp, fm, tm, rp)
- SCR *sp;
- EXF *ep;
- VICMDARG *vp;
- MARK *fm, *tm, *rp;
-{
- enum { P_INTEXT, P_INBLANK } pstate;
- size_t lastlen, len;
- recno_t cnt, lastlno, lno;
- char *p, *lp;
-
- /* Figure out what state we're currently in. */
- lno = fm->lno;
- if ((p = file_gline(sp, ep, lno, &len)) == NULL)
- goto eof;
-
- /*
- * If we start in text, we want to switch states 2 * N - 1
- * times, in non-text, 2 * N times.
- */
- cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1;
- cnt *= 2;
- if (len == 0 || v_isempty(p, len))
- pstate = P_INBLANK;
- else {
- --cnt;
- pstate = P_INTEXT;
- }
-
- for (;;) {
- lastlno = lno;
- lastlen = len;
- if ((p = file_gline(sp, ep, ++lno, &len)) == NULL)
- goto eof;
- switch (pstate) {
- case P_INTEXT:
- if (p[0] == '.' && len >= 2)
- for (lp = VIP(sp)->paragraph; *lp; lp += 2)
- if (lp[0] == p[1] &&
- (lp[1] == ' ' || lp[1] == p[2]) &&
- !--cnt)
- goto found;
- if (len == 0 || v_isempty(p, len)) {
- if (!--cnt)
- goto found;
- pstate = P_INBLANK;
- }
- break;
- case P_INBLANK:
- if (len == 0 || v_isempty(p, len))
- break;
- if (--cnt) {
- pstate = P_INTEXT;
- break;
- }
- /*
- * Historically, a motion command was up to the end
- * of the previous line, whereas the movement command
- * was to the start of the new "paragraph".
- */
-found: if (F_ISSET(vp, VC_C | VC_D | VC_Y)) {
- rp->lno = lastlno;
- rp->cno = lastlen ? lastlen + 1 : 0;
- } else {
- rp->lno = lno;
- rp->cno = 0;
- }
- return (0);
- default:
- abort();
- }
- }
-
- /*
- * EOF is a movement sink, however, the } command historically
- * moved to the end of the last line if repeatedly invoked.
- */
-eof: if (fm->lno != lno - 1) {
- rp->lno = lno - 1;
- rp->cno = len ? len - 1 : 0;
- return (0);
- }
- if ((p = file_gline(sp, ep, fm->lno, &len)) == NULL)
- GETLINE_ERR(sp, fm->lno);
- if (fm->cno != (len ? len - 1 : 0)) {
- rp->lno = lno - 1;
- rp->cno = len ? len - 1 : 0;
- return (0);
- }
- v_eof(sp, ep, NULL);
- return (1);
-}
-
-/*
- * v_paragraphb -- [count]{
- * Move forward count paragraph.
- */
-int
-v_paragraphb(sp, ep, vp, fm, tm, rp)
- SCR *sp;
- EXF *ep;
- VICMDARG *vp;
- MARK *fm, *tm, *rp;
-{
- enum { P_INTEXT, P_INBLANK } pstate;
- size_t len;
- recno_t cnt, lno;
- char *p, *lp;
-
- /*
- * The { command historically moved to the beginning of the first
- * line if invoked on the first line.
- *
- * Check for SOF.
- */
- if (fm->lno <= 1) {
- if (fm->cno == 0) {
- v_sof(sp, NULL);
- return (1);
- }
- rp->lno = 1;
- rp->cno = 0;
- return (0);
- }
-
- /* Figure out what state we're currently in. */
- lno = fm->lno;
- if ((p = file_gline(sp, ep, lno, &len)) == NULL)
- goto sof;
-
- /*
- * If we start in text, we want to switch states 2 * N - 1
- * times, in non-text, 2 * N times.
- */
- cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1;
- cnt *= 2;
- if (len == 0 || v_isempty(p, len))
- pstate = P_INBLANK;
- else {
- --cnt;
- pstate = P_INTEXT;
- }
-
- for (;;) {
- if ((p = file_gline(sp, ep, --lno, &len)) == NULL)
- goto sof;
- switch (pstate) {
- case P_INTEXT:
- if (p[0] == '.' && len >= 2)
- for (lp = VIP(sp)->paragraph; *lp; lp += 2)
- if (lp[0] == p[1] &&
- (lp[1] == ' ' || lp[1] == p[2]) &&
- !--cnt)
- goto found;
- if (len == 0 || v_isempty(p, len)) {
- if (!--cnt)
- goto found;
- pstate = P_INBLANK;
- }
- break;
- case P_INBLANK:
- if (len != 0 && !v_isempty(p, len)) {
- if (!--cnt) {
-found: rp->lno = lno;
- rp->cno = 0;
- return (0);
- }
- pstate = P_INTEXT;
- }
- break;
- default:
- abort();
- }
- }
-
- /* SOF is a movement sink. */
-sof: rp->lno = 1;
- rp->cno = 0;
- return (0);
-}
-
-/*
- * v_buildparagraph --
- * Build the paragraph command search pattern.
- */
-int
-v_buildparagraph(sp)
- SCR *sp;
-{
- VI_PRIVATE *vip;
- size_t p_len, s_len;
- char *p, *p_p, *s_p;
-
- /*
- * The vi paragraph command searches for either a paragraph or
- * section option macro.
- */
- p_len = (p_p = O_STR(sp, O_PARAGRAPHS)) == NULL ? 0 : strlen(p_p);
- s_len = (s_p = O_STR(sp, O_SECTIONS)) == NULL ? 0 : strlen(s_p);
-
- if (p_len == 0 && s_len == 0)
- return (0);
-
- MALLOC_RET(sp, p, char *, p_len + s_len + 1);
-
- vip = VIP(sp);
- if (vip->paragraph != NULL)
- FREE(vip->paragraph, vip->paragraph_len);
-
- if (p_p != NULL)
- memmove(p, p_p, p_len + 1);
- if (s_p != NULL)
- memmove(p + p_len, s_p, s_len + 1);
- vip->paragraph = p;
- vip->paragraph_len = p_len + s_len + 1;
- return (0);
-}
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