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/* $OpenBSD: ex_display.c,v 1.13 2016/05/27 09:18:12 martijn Exp $ */ |
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/*- |
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* Copyright (c) 1992, 1993, 1994 |
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* The Regents of the University of California. All rights reserved. |
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* Copyright (c) 1992, 1993, 1994, 1995, 1996 |
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* Keith Bostic. All rights reserved. |
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* |
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* See the LICENSE file for redistribution information. |
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*/ |
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#include "config.h" |
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#include <sys/types.h> |
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#include <sys/queue.h> |
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#include <bitstring.h> |
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#include <ctype.h> |
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#include <limits.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include "../common/common.h" |
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#include "tag.h" |
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static int bdisplay(SCR *); |
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static void db(SCR *, CB *, CHAR_T *); |
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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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* PUBLIC: int ex_display(SCR *, EXCMD *); |
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*/ |
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int |
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ex_display(SCR *sp, EXCMD *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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#undef ARG |
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#define ARG "buffers" |
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if (cmdp->argv[0]->len >= sizeof(ARG) || |
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memcmp(cmdp->argv[0]->bp, ARG, cmdp->argv[0]->len)) |
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break; |
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return (bdisplay(sp)); |
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case 's': |
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#undef ARG |
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#define ARG "screens" |
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if (cmdp->argv[0]->len >= sizeof(ARG) || |
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memcmp(cmdp->argv[0]->bp, ARG, cmdp->argv[0]->len)) |
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break; |
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return (ex_sdisplay(sp)); |
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case 't': |
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#undef ARG |
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#define ARG "tags" |
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if (cmdp->argv[0]->len >= sizeof(ARG) || |
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memcmp(cmdp->argv[0]->bp, ARG, cmdp->argv[0]->len)) |
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break; |
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return (ex_tag_display(sp)); |
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} |
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ex_emsg(sp, cmdp->cmd->usage, EXM_USAGE); |
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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(SCR *sp) |
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{ |
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CB *cbp; |
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if (LIST_FIRST(&sp->gp->cutq) == NULL && sp->gp->dcbp == NULL) { |
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msgq(sp, M_INFO, "No cut buffers to display"); |
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return (0); |
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} |
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/* Display regular cut buffers. */ |
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LIST_FOREACH(cbp, &sp->gp->cutq, q) { |
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if (isdigit(cbp->name)) |
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continue; |
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if (!TAILQ_EMPTY(&cbp->textq)) |
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db(sp, cbp, NULL); |
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if (INTERRUPTED(sp)) |
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return (0); |
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} |
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/* Display numbered buffers. */ |
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LIST_FOREACH(cbp, &sp->gp->cutq, q) { |
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if (!isdigit(cbp->name)) |
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continue; |
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if (!TAILQ_EMPTY(&cbp->textq)) |
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db(sp, cbp, NULL); |
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if (INTERRUPTED(sp)) |
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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(SCR *sp, CB *cbp, CHAR_T *name) |
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{ |
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CHAR_T *p; |
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TEXT *tp; |
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size_t len; |
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(void)ex_printf(sp, "********** %s%s\n", |
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name == NULL ? KEY_NAME(sp, cbp->name) : name, |
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F_ISSET(cbp, CB_LMODE) ? " (line mode)" : " (character mode)"); |
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TAILQ_FOREACH(tp, &cbp->textq, q) { |
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for (len = tp->len, p = tp->lb; len--; ++p) { |
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(void)ex_puts(sp, KEY_NAME(sp, *p)); |
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if (INTERRUPTED(sp)) |
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return; |
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} |
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(void)ex_puts(sp, "\n"); |
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} |
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} |