114 lines
2.7 KiB
C
114 lines
2.7 KiB
C
/*-
|
|
* Copyright (c) 1992, 1993, 1994
|
|
* The Regents of the University of California. All rights reserved.
|
|
* Copyright (c) 1992, 1993, 1994, 1995, 1996
|
|
* Keith Bostic. All rights reserved.
|
|
*
|
|
* See the LICENSE file for redistribution information.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#ifndef lint
|
|
static const char sccsid[] = "$Id: v_at.c,v 10.11 2001/06/25 15:19:30 skimo Exp $";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/queue.h>
|
|
#include <sys/time.h>
|
|
|
|
#include <bitstring.h>
|
|
#include <ctype.h>
|
|
#include <limits.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "../common/common.h"
|
|
#include "vi.h"
|
|
|
|
/*
|
|
* v_at -- @
|
|
* Execute a buffer.
|
|
*
|
|
* PUBLIC: int v_at(SCR *, VICMD *);
|
|
*/
|
|
int
|
|
v_at(SCR *sp, VICMD *vp)
|
|
{
|
|
CB *cbp;
|
|
CHAR_T name;
|
|
TEXT *tp;
|
|
size_t len;
|
|
char nbuf[20];
|
|
CHAR_T wbuf[20];
|
|
CHAR_T *wp;
|
|
size_t wlen;
|
|
|
|
/*
|
|
* !!!
|
|
* Historically, [@*]<carriage-return> and [@*][@*] executed the most
|
|
* recently executed buffer in ex mode. In vi mode, only @@ repeated
|
|
* the last buffer. We change historic practice and make @* work from
|
|
* vi mode as well, it's simpler and more consistent.
|
|
*
|
|
* My intent is that *[buffer] will, in the future, pass the buffer to
|
|
* whatever interpreter is loaded.
|
|
*/
|
|
name = F_ISSET(vp, VC_BUFFER) ? vp->buffer : '@';
|
|
if (name == '@' || name == '*') {
|
|
if (!F_ISSET(sp, SC_AT_SET)) {
|
|
ex_emsg(sp, NULL, EXM_NOPREVBUF);
|
|
return (1);
|
|
}
|
|
name = sp->at_lbuf;
|
|
}
|
|
F_SET(sp, SC_AT_SET);
|
|
|
|
CBNAME(sp, cbp, name);
|
|
if (cbp == NULL) {
|
|
ex_emsg(sp, KEY_NAME(sp, name), EXM_EMPTYBUF);
|
|
return (1);
|
|
}
|
|
|
|
/* Save for reuse. */
|
|
sp->at_lbuf = name;
|
|
|
|
/*
|
|
* The buffer is executed in vi mode, while in vi mode, so simply
|
|
* push it onto the terminal queue and continue.
|
|
*
|
|
* !!!
|
|
* Historic practice is that if the buffer was cut in line mode,
|
|
* <newlines> were appended to each line as it was pushed onto
|
|
* the stack. If the buffer was cut in character mode, <newlines>
|
|
* were appended to all lines but the last one.
|
|
*
|
|
* XXX
|
|
* Historic practice is that execution of an @ buffer could be
|
|
* undone by a single 'u' command, i.e. the changes were grouped
|
|
* together. We don't get this right; I'm waiting for the new DB
|
|
* logging code to be available.
|
|
*/
|
|
TAILQ_FOREACH_REVERSE(tp, cbp->textq, _texth, q) {
|
|
if (((F_ISSET(cbp, CB_LMODE) ||
|
|
TAILQ_NEXT(tp, q) != NULL) &&
|
|
v_event_push(sp, NULL, L("\n"), 1, 0)) ||
|
|
v_event_push(sp, NULL, tp->lb, tp->len, 0))
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* !!!
|
|
* If any count was supplied, it applies to the first command in the
|
|
* at buffer.
|
|
*/
|
|
if (F_ISSET(vp, VC_C1SET)) {
|
|
len = snprintf(nbuf, sizeof(nbuf), "%lu", vp->count);
|
|
CHAR2INT(sp, nbuf, len, wp, wlen);
|
|
MEMCPY(wbuf, wp, wlen);
|
|
if (v_event_push(sp, NULL, wp, wlen, 0))
|
|
return (1);
|
|
}
|
|
return (0);
|
|
}
|