1 /* $OpenBSD: ex_display.c,v 1.4 2002/02/16 21:27:57 millert Exp $ */ 2 3 /*- 4 * Copyright (c) 1992, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * Copyright (c) 1992, 1993, 1994, 1995, 1996 7 * Keith Bostic. All rights reserved. 8 * 9 * See the LICENSE file for redistribution information. 10 */ 11 12 #include "config.h" 13 14 #ifndef lint 15 static const char sccsid[] = "@(#)ex_display.c 10.12 (Berkeley) 4/10/96"; 16 #endif /* not lint */ 17 18 #include <sys/types.h> 19 #include <sys/queue.h> 20 21 #include <bitstring.h> 22 #include <ctype.h> 23 #include <limits.h> 24 #include <stdio.h> 25 #include <string.h> 26 27 #include "../common/common.h" 28 #include "tag.h" 29 30 static int bdisplay(SCR *); 31 static void db(SCR *, CB *, CHAR_T *); 32 33 /* 34 * ex_display -- :display b[uffers] | c[onnections] | s[creens] | t[ags] 35 * 36 * Display cscope connections, buffers, tags or screens. 37 * 38 * PUBLIC: int ex_display(SCR *, EXCMD *); 39 */ 40 int 41 ex_display(sp, cmdp) 42 SCR *sp; 43 EXCMD *cmdp; 44 { 45 switch (cmdp->argv[0]->bp[0]) { 46 case 'b': 47 #undef ARG 48 #define ARG "buffers" 49 if (cmdp->argv[0]->len >= sizeof(ARG) || 50 memcmp(cmdp->argv[0]->bp, ARG, cmdp->argv[0]->len)) 51 break; 52 return (bdisplay(sp)); 53 case 'c': 54 #undef ARG 55 #define ARG "connections" 56 if (cmdp->argv[0]->len >= sizeof(ARG) || 57 memcmp(cmdp->argv[0]->bp, ARG, cmdp->argv[0]->len)) 58 break; 59 return (cscope_display(sp)); 60 case 's': 61 #undef ARG 62 #define ARG "screens" 63 if (cmdp->argv[0]->len >= sizeof(ARG) || 64 memcmp(cmdp->argv[0]->bp, ARG, cmdp->argv[0]->len)) 65 break; 66 return (ex_sdisplay(sp)); 67 case 't': 68 #undef ARG 69 #define ARG "tags" 70 if (cmdp->argv[0]->len >= sizeof(ARG) || 71 memcmp(cmdp->argv[0]->bp, ARG, cmdp->argv[0]->len)) 72 break; 73 return (ex_tag_display(sp)); 74 } 75 ex_emsg(sp, cmdp->cmd->usage, EXM_USAGE); 76 return (1); 77 } 78 79 /* 80 * bdisplay -- 81 * 82 * Display buffers. 83 */ 84 static int 85 bdisplay(sp) 86 SCR *sp; 87 { 88 CB *cbp; 89 90 if (sp->gp->cutq.lh_first == NULL && sp->gp->dcbp == NULL) { 91 msgq(sp, M_INFO, "123|No cut buffers to display"); 92 return (0); 93 } 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 (INTERRUPTED(sp)) 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 (INTERRUPTED(sp)) 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_T *name; 128 { 129 CHAR_T *p; 130 GS *gp; 131 TEXT *tp; 132 size_t len; 133 134 gp = sp->gp; 135 (void)ex_printf(sp, "********** %s%s\n", 136 name == NULL ? KEY_NAME(sp, cbp->name) : name, 137 F_ISSET(cbp, CB_LMODE) ? " (line mode)" : " (character mode)"); 138 for (tp = cbp->textq.cqh_first; 139 tp != (void *)&cbp->textq; tp = tp->q.cqe_next) { 140 for (len = tp->len, p = tp->lb; len--; ++p) { 141 (void)ex_puts(sp, KEY_NAME(sp, *p)); 142 if (INTERRUPTED(sp)) 143 return; 144 } 145 (void)ex_puts(sp, "\n"); 146 } 147 } 148