projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 18ae9d6b AS |
1 | /*- |
| 2 | * Copyright (c) 1992, 1993 | |
| 3 | * The Regents of the University of California. All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. Neither the name of the University nor the names of its contributors | |
| 18 | * may be used to endorse or promote products derived from this software | |
| 19 | * without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| 32 | */ | |
| 33 | ||
| 34 | #ifndef lint | |
| 35 | static char sccsid[] = "@(#)ex_display.c 8.14 (Berkeley) 1/9/94"; | |
| 36 | #endif /* not lint */ | |
| 37 | ||
| 38 | #include <sys/types.h> | |
| 39 | ||
| 40 | #include <ctype.h> | |
| 41 | #include <string.h> | |
| 42 | ||
| 43 | #include "vi.h" | |
| 44 | #include "tag.h" | |
| 45 | #include "excmd.h" | |
| 46 | ||
| 47 | static int bdisplay __P((SCR *, EXF *)); | |
| 48 | static void db __P((SCR *, CB *, char *)); | |
| 49 | ||
| 50 | /* | |
| 51 | * ex_display -- :display b[uffers] | s[creens] | t[ags] | |
| 52 | * | |
| 53 | * Display buffers, tags or screens. | |
| 54 | */ | |
| 55 | int | |
| 56 | ex_display(sp, ep, cmdp) | |
| 57 | SCR *sp; | |
| 58 | EXF *ep; | |
| 59 | EXCMDARG *cmdp; | |
| 60 | { | |
| 61 | switch (cmdp->argv[0]->bp[0]) { | |
| 62 | case 'b': | |
| 63 | return (bdisplay(sp, ep)); | |
| 64 | case 's': | |
| 65 | return (ex_sdisplay(sp, ep)); | |
| 66 | case 't': | |
| 67 | return (ex_tagdisplay(sp, ep)); | |
| 68 | } | |
| 69 | msgq(sp, M_ERR, | |
| 70 | "Unknown display argument %s, use b[uffers], s[creens], or t[ags].", | |
| 71 | cmdp->argv[0]); | |
| 72 | return (1); | |
| 73 | } | |
| 74 | ||
| 75 | /* | |
| 76 | * bdisplay -- | |
| 77 | * | |
| 78 | * Display buffers. | |
| 79 | */ | |
| 80 | static int | |
| 81 | bdisplay(sp, ep) | |
| 82 | SCR *sp; | |
| 83 | EXF *ep; | |
| 84 | { | |
| 85 | CB *cbp; | |
| 86 | ||
| 87 | if (sp->gp->cutq.lh_first == NULL && sp->gp->dcbp == NULL) { | |
| 88 | (void)ex_printf(EXCOOKIE, "No cut buffers to display."); | |
| 89 | return (0); | |
| 90 | } | |
| 91 | ||
| 92 | /* Buffers can be infinitely long, make it interruptible. */ | |
| 93 | F_SET(sp, S_INTERRUPTIBLE); | |
| 94 | ||
| 95 | /* Display regular cut buffers. */ | |
| 96 | for (cbp = sp->gp->cutq.lh_first; cbp != NULL; cbp = cbp->q.le_next) { | |
| 97 | if (isdigit(cbp->name)) | |
| 98 | continue; | |
| 99 | if (cbp->textq.cqh_first != (void *)&cbp->textq) | |
| 100 | db(sp, cbp, NULL); | |
| 101 | if (F_ISSET(sp, S_INTERRUPTED)) | |
| 102 | return (0); | |
| 103 | } | |
| 104 | /* Display numbered buffers. */ | |
| 105 | for (cbp = sp->gp->cutq.lh_first; cbp != NULL; cbp = cbp->q.le_next) { | |
| 106 | if (!isdigit(cbp->name)) | |
| 107 | continue; | |
| 108 | if (cbp->textq.cqh_first != (void *)&cbp->textq) | |
| 109 | db(sp, cbp, NULL); | |
| 110 | if (F_ISSET(sp, S_INTERRUPTED)) | |
| 111 | return (0); | |
| 112 | } | |
| 113 | /* Display default buffer. */ | |
| 114 | if ((cbp = sp->gp->dcbp) != NULL) | |
| 115 | db(sp, cbp, "default buffer"); | |
| 116 | return (0); | |
| 117 | } | |
| 118 | ||
| 119 | /* | |
| 120 | * db -- | |
| 121 | * Display a buffer. | |
| 122 | */ | |
| 123 | static void | |
| 124 | db(sp, cbp, name) | |
| 125 | SCR *sp; | |
| 126 | CB *cbp; | |
| 127 | char *name; | |
| 128 | { | |
| 129 | TEXT *tp; | |
| 130 | size_t len; | |
| 131 | char *p; | |
| 132 | ||
| 133 | (void)ex_printf(EXCOOKIE, "********** %s%s\n", | |
| 134 | name == NULL ? charname(sp, cbp->name) : name, | |
| 135 | F_ISSET(cbp, CB_LMODE) ? " (line mode)" : ""); | |
| 136 | for (tp = cbp->textq.cqh_first; | |
| 137 | tp != (void *)&cbp->textq; tp = tp->q.cqe_next) { | |
| 138 | for (len = tp->len, p = tp->lb; len--;) { | |
| 139 | (void)ex_printf(EXCOOKIE, "%s", charname(sp, *p++)); | |
| 140 | if (F_ISSET(sp, S_INTERRUPTED)) | |
| 141 | return; | |
| 142 | } | |
| 143 | (void)ex_printf(EXCOOKIE, "\n"); | |
| 144 | } | |
| 145 | } |