1/* $NetBSD: ex_abbrev.c,v 1.3 2014/01/26 21:43:45 christos Exp $ */ 2/*- 3 * Copyright (c) 1992, 1993, 1994 4 * The Regents of the University of California. All rights reserved. 5 * Copyright (c) 1992, 1993, 1994, 1995, 1996 6 * Keith Bostic. All rights reserved. 7 * 8 * See the LICENSE file for redistribution information. 9 */ 10 11#include "config.h" 12 13#include <sys/cdefs.h> 14#if 0 15#ifndef lint 16static const char sccsid[] = "Id: ex_abbrev.c,v 10.10 2001/12/16 18:18:54 skimo Exp (Berkeley) Date: 2001/12/16 18:18:54 "; 17#endif /* not lint */ 18#else 19__RCSID("$NetBSD: ex_abbrev.c,v 1.3 2014/01/26 21:43:45 christos Exp $"); 20#endif 21 22#include <sys/types.h> 23#include <sys/queue.h> 24#include <sys/time.h> 25 26#include <bitstring.h> 27#include <ctype.h> 28#include <limits.h> 29#include <stdio.h> 30#include <stdlib.h> 31#include <string.h> 32 33#include "../common/common.h" 34#include "../vi/vi.h" 35 36/* 37 * ex_abbr -- :abbreviate [key replacement] 38 * Create an abbreviation or display abbreviations. 39 * 40 * PUBLIC: int ex_abbr __P((SCR *, EXCMD *)); 41 */ 42int 43ex_abbr(SCR *sp, EXCMD *cmdp) 44{ 45 CHAR_T *p; 46 size_t len; 47 48 switch (cmdp->argc) { 49 case 0: 50 if (seq_dump(sp, SEQ_ABBREV, 0) == 0) 51 msgq(sp, M_INFO, "105|No abbreviations to display"); 52 return (0); 53 case 2: 54 break; 55 default: 56 abort(); 57 } 58 59 /* 60 * Check for illegal characters. 61 * 62 * !!! 63 * Another fun one, historically. See vi/v_ntext.c:txt_abbrev() for 64 * details. The bottom line is that all abbreviations have to end 65 * with a "word" character, because it's the transition from word to 66 * non-word characters that triggers the test for an abbreviation. In 67 * addition, because of the way the test is done, there can't be any 68 * transitions from word to non-word character (or vice-versa) other 69 * than between the next-to-last and last characters of the string, 70 * and there can't be any <blank> characters. Warn the user. 71 */ 72 if (!inword(cmdp->argv[0]->bp[cmdp->argv[0]->len - 1])) { 73 msgq(sp, M_ERR, 74 "106|Abbreviations must end with a \"word\" character"); 75 return (1); 76 } 77 for (p = cmdp->argv[0]->bp; *p != '\0'; ++p) 78 if (ISBLANK((UCHAR_T)p[0])) { 79 msgq(sp, M_ERR, 80 "107|Abbreviations may not contain tabs or spaces"); 81 return (1); 82 } 83 if (cmdp->argv[0]->len > 2) 84 for (p = cmdp->argv[0]->bp, 85 len = cmdp->argv[0]->len - 2; len; --len, ++p) 86 if (inword(p[0]) != inword(p[1])) { 87 msgq(sp, M_ERR, 88"108|Abbreviations may not mix word/non-word characters, except at the end"); 89 return (1); 90 } 91 92 if (seq_set(sp, NULL, 0, cmdp->argv[0]->bp, cmdp->argv[0]->len, 93 cmdp->argv[1]->bp, cmdp->argv[1]->len, SEQ_ABBREV, SEQ_USERDEF)) 94 return (1); 95 96 F_SET(sp->gp, G_ABBREV); 97 return (0); 98} 99 100/* 101 * ex_unabbr -- :unabbreviate key 102 * Delete an abbreviation. 103 * 104 * PUBLIC: int ex_unabbr __P((SCR *, EXCMD *)); 105 */ 106int 107ex_unabbr(SCR *sp, EXCMD *cmdp) 108{ 109 ARGS *ap; 110 111 ap = cmdp->argv[0]; 112 if (!F_ISSET(sp->gp, G_ABBREV) || 113 seq_delete(sp, ap->bp, ap->len, SEQ_ABBREV)) { 114 msgq_wstr(sp, M_ERR, ap->bp, 115 "109|\"%s\" is not an abbreviation"); 116 return (1); 117 } 118 return (0); 119} 120