147 lines
4.2 KiB
C
147 lines
4.2 KiB
C
/*-
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* Copyright (c) 1992, 1993
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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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/* from: static char sccsid[] = "@(#)ex_display.c 8.14 (Berkeley) 1/9/94"; */
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static char *rcsid = "$Id: ex_display.c,v 1.2 1994/01/24 06:40:14 cgd Exp $";
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#endif /* not lint */
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#include <sys/types.h>
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#include <ctype.h>
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#include <string.h>
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#include "vi.h"
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#include "tag.h"
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#include "excmd.h"
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static int bdisplay __P((SCR *, EXF *));
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static void db __P((SCR *, CB *, char *));
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/*
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* ex_display -- :display b[uffers] | s[creens] | t[ags]
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*
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* Display buffers, tags or screens.
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*/
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int
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ex_display(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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switch (cmdp->argv[0]->bp[0]) {
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case 'b':
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return (bdisplay(sp, ep));
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case 's':
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return (ex_sdisplay(sp, ep));
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case 't':
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return (ex_tagdisplay(sp, ep));
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}
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msgq(sp, M_ERR,
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"Unknown display argument %s, use b[uffers], s[creens], or t[ags].",
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cmdp->argv[0]);
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return (1);
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}
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/*
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* bdisplay --
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*
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* Display buffers.
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*/
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static int
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bdisplay(sp, ep)
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SCR *sp;
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EXF *ep;
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{
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CB *cbp;
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if (sp->gp->cutq.lh_first == NULL && sp->gp->dcbp == NULL) {
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(void)ex_printf(EXCOOKIE, "No cut buffers to display.");
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return (0);
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}
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/* Buffers can be infinitely long, make it interruptible. */
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F_SET(sp, S_INTERRUPTIBLE);
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/* Display regular cut buffers. */
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for (cbp = sp->gp->cutq.lh_first; cbp != NULL; cbp = cbp->q.le_next) {
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if (isdigit(cbp->name))
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continue;
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if (cbp->textq.cqh_first != (void *)&cbp->textq)
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db(sp, cbp, NULL);
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if (F_ISSET(sp, S_INTERRUPTED))
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return (0);
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}
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/* Display numbered buffers. */
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for (cbp = sp->gp->cutq.lh_first; cbp != NULL; cbp = cbp->q.le_next) {
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if (!isdigit(cbp->name))
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continue;
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if (cbp->textq.cqh_first != (void *)&cbp->textq)
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db(sp, cbp, NULL);
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if (F_ISSET(sp, S_INTERRUPTED))
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return (0);
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}
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/* Display default buffer. */
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if ((cbp = sp->gp->dcbp) != NULL)
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db(sp, cbp, "default buffer");
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return (0);
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}
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/*
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* db --
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* Display a buffer.
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*/
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static void
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db(sp, cbp, name)
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SCR *sp;
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CB *cbp;
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char *name;
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{
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TEXT *tp;
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size_t len;
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char *p;
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(void)ex_printf(EXCOOKIE, "********** %s%s\n",
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name == NULL ? charname(sp, cbp->name) : name,
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F_ISSET(cbp, CB_LMODE) ? " (line mode)" : "");
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for (tp = cbp->textq.cqh_first;
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tp != (void *)&cbp->textq; tp = tp->q.cqe_next) {
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for (len = tp->len, p = tp->lb; len--;) {
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(void)ex_printf(EXCOOKIE, "%s", charname(sp, *p++));
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if (F_ISSET(sp, S_INTERRUPTED))
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return;
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}
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(void)ex_printf(EXCOOKIE, "\n");
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}
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}
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