1 /*- 2 * Copyright (c) 1992, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * Copyright (c) 1992, 1993, 1994, 1995, 1996 5 * Keith Bostic. All rights reserved. 6 * 7 * See the LICENSE file for redistribution information. 8 */ 9 10 #include "config.h" 11 12 #ifndef lint 13 static const char sccsid[] = "$Id: v_put.c,v 10.6 2001/06/25 15:19:34 skimo Exp $"; 14 #endif /* not lint */ 15 16 #include <sys/types.h> 17 #include <sys/queue.h> 18 #include <sys/time.h> 19 20 #include <bitstring.h> 21 #include <limits.h> 22 #include <stdio.h> 23 24 #include "../common/common.h" 25 #include "vi.h" 26 27 static void inc_buf(SCR *, VICMD *); 28 29 /* 30 * v_Put -- [buffer]P 31 * Insert the contents of the buffer before the cursor. 32 * 33 * PUBLIC: int v_Put(SCR *, VICMD *); 34 */ 35 int 36 v_Put(SCR *sp, VICMD *vp) 37 { 38 u_long cnt; 39 40 if (F_ISSET(vp, VC_ISDOT)) 41 inc_buf(sp, vp); 42 43 /* 44 * !!! 45 * Historic vi did not support a count with the 'p' and 'P' 46 * commands. It's useful, so we do. 47 */ 48 for (cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1; cnt--;) { 49 if (put(sp, NULL, 50 F_ISSET(vp, VC_BUFFER) ? &vp->buffer : NULL, 51 &vp->m_start, &vp->m_final, 0)) 52 return (1); 53 vp->m_start = vp->m_final; 54 if (INTERRUPTED(sp)) 55 return (1); 56 } 57 return (0); 58 } 59 60 /* 61 * v_put -- [buffer]p 62 * Insert the contents of the buffer after the cursor. 63 * 64 * PUBLIC: int v_put(SCR *, VICMD *); 65 */ 66 int 67 v_put(SCR *sp, VICMD *vp) 68 { 69 u_long cnt; 70 71 if (F_ISSET(vp, VC_ISDOT)) 72 inc_buf(sp, vp); 73 74 /* 75 * !!! 76 * Historic vi did not support a count with the 'p' and 'P' 77 * commands. It's useful, so we do. 78 */ 79 for (cnt = F_ISSET(vp, VC_C1SET) ? vp->count : 1; cnt--;) { 80 if (put(sp, NULL, 81 F_ISSET(vp, VC_BUFFER) ? &vp->buffer : NULL, 82 &vp->m_start, &vp->m_final, 1)) 83 return (1); 84 vp->m_start = vp->m_final; 85 if (INTERRUPTED(sp)) 86 return (1); 87 } 88 return (0); 89 } 90 91 /* 92 * !!! 93 * Historical whackadoo. The dot command `puts' the numbered buffer 94 * after the last one put. For example, `"4p.' would put buffer #4 95 * and buffer #5. If the user continued to enter '.', the #9 buffer 96 * would be repeatedly output. This was not documented, and is a bit 97 * tricky to reconstruct. Historical versions of vi also dropped the 98 * contents of the default buffer after each put, so after `"4p' the 99 * default buffer would be empty. This makes no sense to me, so we 100 * don't bother. Don't assume sequential order of numeric characters. 101 * 102 * And, if that weren't exciting enough, failed commands don't normally 103 * set the dot command. Well, boys and girls, an exception is that 104 * the buffer increment gets done regardless of the success of the put. 105 */ 106 static void 107 inc_buf(SCR *sp, VICMD *vp) 108 { 109 CHAR_T v; 110 111 switch (vp->buffer) { 112 case '1': 113 v = '2'; 114 break; 115 case '2': 116 v = '3'; 117 break; 118 case '3': 119 v = '4'; 120 break; 121 case '4': 122 v = '5'; 123 break; 124 case '5': 125 v = '6'; 126 break; 127 case '6': 128 v = '7'; 129 break; 130 case '7': 131 v = '8'; 132 break; 133 case '8': 134 v = '9'; 135 break; 136 default: 137 return; 138 } 139 VIP(sp)->sdot.buffer = vp->buffer = v; 140 } 141