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/* $OpenBSD: ex_display.c,v 1.7 2009/10/27 23:59:47 deraadt Exp $ */
/*-
* 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"
#include <sys/types.h>
#include <sys/queue.h>
#include <bitstring.h>
#include <ctype.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include "../common/common.h"
#include "tag.h"
static int bdisplay(SCR *);
static void db(SCR *, CB *, CHAR_T *);
/*
* ex_display -- :display b[uffers] | c[onnections] | s[creens] | t[ags]
*
* Display cscope connections, buffers, tags or screens.
*
* PUBLIC: int ex_display(SCR *, EXCMD *);
*/
int
ex_display(sp, cmdp)
SCR *sp;
EXCMD *cmdp;
{
switch (cmdp->argv[0]->bp[0]) {
case 'b':
#undef ARG
#define ARG "buffers"
if (cmdp->argv[0]->len >= sizeof(ARG) ||
memcmp(cmdp->argv[0]->bp, ARG, cmdp->argv[0]->len))
break;
return (bdisplay(sp));
case 'c':
#undef ARG
#define ARG "connections"
if (cmdp->argv[0]->len >= sizeof(ARG) ||
memcmp(cmdp->argv[0]->bp, ARG, cmdp->argv[0]->len))
break;
return (cscope_display(sp));
case 's':
#undef ARG
#define ARG "screens"
if (cmdp->argv[0]->len >= sizeof(ARG) ||
memcmp(cmdp->argv[0]->bp, ARG, cmdp->argv[0]->len))
break;
return (ex_sdisplay(sp));
case 't':
#undef ARG
#define ARG "tags"
if (cmdp->argv[0]->len >= sizeof(ARG) ||
memcmp(cmdp->argv[0]->bp, ARG, cmdp->argv[0]->len))
break;
return (ex_tag_display(sp));
}
ex_emsg(sp, cmdp->cmd->usage, EXM_USAGE);
return (1);
}
/*
* bdisplay --
*
* Display buffers.
*/
static int
bdisplay(sp)
SCR *sp;
{
CB *cbp;
if (LIST_FIRST(&sp->gp->cutq) == NULL && sp->gp->dcbp == NULL) {
msgq(sp, M_INFO, "123|No cut buffers to display");
return (0);
}
/* Display regular cut buffers. */
LIST_FOREACH(cbp, &sp->gp->cutq, q) {
if (isdigit(cbp->name))
continue;
if (CIRCLEQ_FIRST(&cbp->textq) != CIRCLEQ_END(&cbp->textq))
db(sp, cbp, NULL);
if (INTERRUPTED(sp))
return (0);
}
/* Display numbered buffers. */
LIST_FOREACH(cbp, &sp->gp->cutq, q) {
if (!isdigit(cbp->name))
continue;
if (CIRCLEQ_FIRST(&cbp->textq) != CIRCLEQ_END(&cbp->textq))
db(sp, cbp, NULL);
if (INTERRUPTED(sp))
return (0);
}
/* Display default buffer. */
if ((cbp = sp->gp->dcbp) != NULL)
db(sp, cbp, "default buffer");
return (0);
}
/*
* db --
* Display a buffer.
*/
static void
db(sp, cbp, name)
SCR *sp;
CB *cbp;
CHAR_T *name;
{
CHAR_T *p;
TEXT *tp;
size_t len;
(void)ex_printf(sp, "********** %s%s\n",
name == NULL ? KEY_NAME(sp, cbp->name) : name,
F_ISSET(cbp, CB_LMODE) ? " (line mode)" : " (character mode)");
CIRCLEQ_FOREACH(tp, &cbp->textq, q) {
for (len = tp->len, p = tp->lb; len--; ++p) {
(void)ex_puts(sp, KEY_NAME(sp, *p));
if (INTERRUPTED(sp))
return;
}
(void)ex_puts(sp, "\n");
}
}
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