nvi/common/line.c

39 	SCR *sp,
51 	if (!db_get(sp, lno, 0, pp, lenp))
59 	if ((lno == 0 || lno == 1) && db_last(sp, &l1))
64 		db_err(sp, lno);
83 	SCR *sp,
105 	if ((ep = sp->ep) == NULL) {
106 		ex_emsg(sp, NULL, EXM_NOFILEYET);
117 	if (F_ISSET(sp, SC_TINPUT)) {
118 		l1 = ((TEXT *)TAILQ_FIRST(sp->tiq))->lno;
119 		l2 = ((TEXT *)TAILQ_LAST(sp->tiq, _texth))->lno;
122 	TRACE(sp, "retrieve TEXT buffer line %lu\n", (u_long)lno);
124 			for (tp = TAILQ_FIRST(sp->tiq);
143 	TRACE(sp, "retrieve cached line %lu\n", (u_long)lno);
162 err2:			db_err(sp, lno);
171 	if (FILE2INT(sp, data.data, data.size, wp, wlen)) {
172 		if (!F_ISSET(sp, SC_CONV_ERROR)) {
173 			F_SET(sp, SC_CONV_ERROR);
174 			msgq(sp, M_ERR, "324|Conversion error on line %d", lno);
181 		BINC_GOTOW(sp, ep->c_lp, ep->c_blen, wlen);
189 	TRACE(sp, "retrieve DB line %lu\n", (u_long)lno);
206 	SCR *sp,
213 	TRACE(sp, "delete line %lu\n", (u_long)lno);
216 	if ((ep = sp->ep) == NULL) {
217 		ex_emsg(sp, NULL, EXM_NOFILEYET);
222 	if (mark_insdel(sp, LINE_DELETE, lno))
224 	if (ex_g_insdel(sp, LINE_DELETE, lno))
228 	log_line(sp, lno, LOG_LINE_DELETE);
234 		msgq(sp, M_SYSERR,
247 		(void)rcv_init(sp);
251 	return (scr_update(sp, lno, LINE_DELETE, 1));
262 	SCR *sp,
275 	TRACE(sp, "append to %lu: len %u {%.*s}\n", lno, len, MIN(len, 20), p);
278 	if ((ep = sp->ep) == NULL) {
279 		ex_emsg(sp, NULL, EXM_NOFILEYET);
283 	INT2FILE(sp, p, len, fp, flen);
291 		msgq(sp, M_SYSERR,
304 		(void)rcv_init(sp);
308 	log_line(sp, lno + 1, LOG_LINE_APPEND);
312 	if (mark_insdel(sp, LINE_INSERT, lno + 1))
314 	if (ex_g_insdel(sp, LINE_INSERT, lno + 1))
327 	return (scr_update(sp, lno, LINE_APPEND, update) || rval);
338 	SCR *sp,
350 	TRACE(sp, "insert before %lu: len %lu {%.*s}\n",
354 	if ((ep = sp->ep) == NULL) {
355 		ex_emsg(sp, NULL, EXM_NOFILEYET);
359 	INT2FILE(sp, p, len, fp, flen);
367 		msgq(sp, M_SYSERR,
380 		(void)rcv_init(sp);
384 	log_line(sp, lno, LOG_LINE_INSERT);
388 	if (mark_insdel(sp, LINE_INSERT, lno))
390 	if (ex_g_insdel(sp, LINE_INSERT, lno))
394 	return (scr_update(sp, lno, LINE_INSERT, 1) || rval);
405 	SCR *sp,
416 	TRACE(sp, "replace line %lu: len %lu {%.*s}\n",
420 	if ((ep = sp->ep) == NULL) {
421 		ex_emsg(sp, NULL, EXM_NOFILEYET);
426 	log_line(sp, lno, LOG_LINE_RESET_B);
428 	INT2FILE(sp, p, len, fp, flen);
436 		msgq(sp, M_SYSERR,
447 		(void)rcv_init(sp);
451 	log_line(sp, lno, LOG_LINE_RESET_F);
454 	return (scr_update(sp, lno, LINE_RESET, 1));
465 	SCR *sp,
471 	if ((ep = sp->ep) == NULL) {
472 		ex_emsg(sp, NULL, EXM_NOFILEYET);
484 		return (lno <= (F_ISSET(sp, SC_TINPUT) ?
485 		    ep->c_nlines + (((TEXT *)TAILQ_LAST(sp->tiq, _texth))->lno -
486 		    ((TEXT *)TAILQ_FIRST(sp->tiq))->lno) : ep->c_nlines));
489 	return (!db_get(sp, lno, 0, NULL, NULL));
500 	SCR *sp,
510 	if ((ep = sp->ep) == NULL) {
511 		ex_emsg(sp, NULL, EXM_NOFILEYET);
521 		if (F_ISSET(sp, SC_TINPUT))
522 			*lnop += ((TEXT *)TAILQ_LAST(sp->tiq, _texth))->lno -
523 			    ((TEXT *)TAILQ_FIRST(sp->tiq))->lno;
533 		msgq(sp, M_SYSERR, "007|unable to get last line");
544 		FILE2INT(sp, data.data, data.size, wp, wlen);
548 			BINC_GOTOW(sp, ep->c_lp, ep->c_blen, wlen);
558 	*lnop = (F_ISSET(sp, SC_TINPUT) &&
559 	    ((TEXT *)TAILQ_LAST(sp->tiq, _texth))->lno > lno ?
560 	    ((TEXT *)TAILQ_LAST(sp->tiq, _texth))->lno : lno);
572 	SCR *sp,
578 	EXF *ep = sp->ep;
601 	SCR *sp,
607 	EXF *ep = sp->ep;
625 	SCR *sp,
628 	msgq(sp, M_ERR,
639 	SCR *sp,
647 	if (F_ISSET(sp, SC_EX))
650 	ep = sp->ep;
652 		TAILQ_FOREACH(tsp, sp->gp->dq, q)
653 			if (sp != tsp && tsp->ep == ep)
656 	return (current ? vs_change(sp, lno, op) : 0);