diff options
Diffstat (limited to 'usr.bin/window/wwwrite.c')
-rw-r--r-- | usr.bin/window/wwwrite.c | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/usr.bin/window/wwwrite.c b/usr.bin/window/wwwrite.c deleted file mode 100644 index 29b3b73fb54b..000000000000 --- a/usr.bin/window/wwwrite.c +++ /dev/null @@ -1,300 +0,0 @@ -/* - * Copyright (c) 1983, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Edward Wang at The University of California, Berkeley. - * - * 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[] = "@(#)wwwrite.c 8.1 (Berkeley) 6/6/93"; -static char rcsid[] = - "$FreeBSD$"; -#endif /* not lint */ - -#include "ww.h" -#include "tt.h" -#include "char.h" - -#define UPDATE() \ - if (!w->ww_noupdate && w->ww_cur.r >= 0 && w->ww_cur.r < wwnrow && \ - wwtouched[w->ww_cur.r]) \ - wwupdate1(w->ww_cur.r, w->ww_cur.r + 1) - -/* - * To support control character expansion, we save the old - * p and q values in r and s, and point p at the beginning - * of the expanded string, and q at some safe place beyond it - * (p + 10). At strategic points in the loops, we check - * for (r && !*p) and restore the saved values back into - * p and q. Essentially, we implement a stack of depth 2, - * to avoid recursion, which might be a better idea. - */ -wwwrite(w, p, n) -register struct ww *w; -register unsigned char *p; -int n; -{ - char hascursor; - unsigned char *savep = p; - unsigned char *q = p + n; - char *r = 0; - char *s; - -#ifdef lint - s = 0; /* define it before possible use */ -#endif - if (hascursor = w->ww_hascursor) - wwcursor(w, 0); - while (p < q && !w->ww_stopped && (!wwinterrupt() || w->ww_nointr)) { - if (r && !*p) { - p = r; - q = s; - r = 0; - continue; - } - if (w->ww_wstate == 0 && - (isprt(*p) || w->ww_unctrl && isunctrl(*p))) { - register i; - register union ww_char *bp; - int col, col1; - - if (w->ww_insert) { /* this is very slow */ - if (*p == '\t') { - p++; - w->ww_cur.c += 8 - - (w->ww_cur.c - w->ww_w.l & 7); - goto chklf; - } - if (!isprt(*p)) { - r = p + 1; - s = q; - p = unctrl(*p); - q = p + 10; - } - wwinschar(w, w->ww_cur.r, w->ww_cur.c, - *p++, w->ww_modes); - goto right; - } - - bp = &w->ww_buf[w->ww_cur.r][w->ww_cur.c]; - i = w->ww_cur.c; - while (i < w->ww_w.r && p < q) - if (!*p && r) { - p = r; - q = s; - r = 0; - } else if (*p == '\t') { - register tmp = 8 - (i - w->ww_w.l & 7); - p++; - i += tmp; - bp += tmp; - } else if (isprt(*p)) { - bp++->c_w = *p++ - | w->ww_modes << WWC_MSHIFT; - i++; - } else if (w->ww_unctrl && isunctrl(*p)) { - r = p + 1; - s = q; - p = unctrl(*p); - q = p + 10; - } else - break; - col = MAX(w->ww_cur.c, w->ww_i.l); - col1 = MIN(i, w->ww_i.r); - w->ww_cur.c = i; - if (w->ww_cur.r >= w->ww_i.t - && w->ww_cur.r < w->ww_i.b) { - register union ww_char *ns = wwns[w->ww_cur.r]; - register char *smap = &wwsmap[w->ww_cur.r][col]; - register char *win = w->ww_win[w->ww_cur.r]; - int nchanged = 0; - - bp = w->ww_buf[w->ww_cur.r]; - for (i = col; i < col1; i++) - if (*smap++ == w->ww_index) { - nchanged++; - ns[i].c_w = bp[i].c_w - ^ win[i] << WWC_MSHIFT; - } - if (nchanged > 0) - wwtouched[w->ww_cur.r] |= WWU_TOUCHED; - } - chklf: - if (w->ww_cur.c >= w->ww_w.r) - goto crlf; - } else switch (w->ww_wstate) { - case 0: - switch (*p++) { - case '\n': - if (w->ww_mapnl) - crlf: - w->ww_cur.c = w->ww_w.l; - lf: - UPDATE(); - if (++w->ww_cur.r >= w->ww_w.b) { - w->ww_cur.r = w->ww_w.b - 1; - if (w->ww_w.b < w->ww_b.b) { - (void) wwscroll1(w, w->ww_i.t, - w->ww_i.b, 1, 0); - w->ww_buf++; - w->ww_b.t--; - w->ww_b.b--; - } else - wwdelline(w, w->ww_b.t); - } - break; - case '\b': - if (--w->ww_cur.c < w->ww_w.l) { - w->ww_cur.c = w->ww_w.r - 1; - goto up; - } - break; - case '\r': - w->ww_cur.c = w->ww_w.l; - break; - case ctrl('g'): - ttputc(ctrl('g')); - break; - case ctrl('['): - w->ww_wstate = 1; - break; - } - break; - case 1: - w->ww_wstate = 0; - switch (*p++) { - case '@': - w->ww_insert = 1; - break; - case 'A': - up: - UPDATE(); - if (--w->ww_cur.r < w->ww_w.t) { - w->ww_cur.r = w->ww_w.t; - if (w->ww_w.t > w->ww_b.t) { - (void) wwscroll1(w, w->ww_i.t, - w->ww_i.b, -1, 0); - w->ww_buf--; - w->ww_b.t++; - w->ww_b.b++; - } else - wwinsline(w, w->ww_b.t); - } - break; - case 'B': - goto lf; - case 'C': - right: - w->ww_cur.c++; - goto chklf; - case 'E': - w->ww_buf -= w->ww_w.t - w->ww_b.t; - w->ww_b.t = w->ww_w.t; - w->ww_b.b = w->ww_b.t + w->ww_b.nr; - w->ww_cur.r = w->ww_w.t; - w->ww_cur.c = w->ww_w.l; - wwclreos(w, w->ww_w.t, w->ww_w.l); - break; - case 'H': - UPDATE(); - w->ww_cur.r = w->ww_w.t; - w->ww_cur.c = w->ww_w.l; - break; - case 'J': - wwclreos(w, w->ww_cur.r, w->ww_cur.c); - break; - case 'K': - wwclreol(w, w->ww_cur.r, w->ww_cur.c); - break; - case 'L': - UPDATE(); - wwinsline(w, w->ww_cur.r); - break; - case 'M': - wwdelline(w, w->ww_cur.r); - break; - case 'N': - wwdelchar(w, w->ww_cur.r, w->ww_cur.c); - break; - case 'O': - w->ww_insert = 0; - break; - case 'P': - wwinschar(w, w->ww_cur.r, w->ww_cur.c, ' ', 0); - break; - case 'X': - wwupdate(); - break; - case 'Y': - UPDATE(); - w->ww_wstate = 2; - break; - case 'Z': - wwupdate(); - xxflush(0); - break; - case 's': - w->ww_wstate = 4; - break; - case 'r': - w->ww_wstate = 5; - break; - } - break; - case 2: - w->ww_cur.r = w->ww_w.t + - (unsigned)(*p++ - ' ') % w->ww_w.nr; - w->ww_wstate = 3; - break; - case 3: - w->ww_cur.c = w->ww_w.l + - (unsigned)(*p++ - ' ') % w->ww_w.nc; - w->ww_wstate = 0; - break; - case 4: - w->ww_modes |= *p++ & wwavailmodes; - w->ww_wstate = 0; - break; - case 5: - w->ww_modes &= ~*p++; - w->ww_wstate = 0; - break; - } - } - if (hascursor) - wwcursor(w, 1); - wwnwwr++; - wwnwwra += n; - n = p - savep; - wwnwwrc += n; - return n; -} |