/* $NetBSD: ex_abbrev.c,v 1.3 2014/01/26 21:43:45 christos Exp $ */ /*- * Copyright (c) 1992, 1993, 1994 * The Regents of the University of California. All rights reserved. * Copyright (c) 1992, 1993, 1994, 1995, 1996 * Keith Bostic. All rights reserved. * * See the LICENSE file for redistribution information. */ #include "config.h" #include <sys/cdefs.h> #if 0 #ifndef lint static 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 "; #endif /* not lint */ #else __RCSID("$NetBSD: ex_abbrev.c,v 1.3 2014/01/26 21:43:45 christos Exp $"); #endif #include <sys/types.h> #include <sys/queue.h> #include <sys/time.h> #include <bitstring.h> #include <ctype.h> #include <limits.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include "../common/common.h" #include "../vi/vi.h" /* * ex_abbr -- :abbreviate [key replacement] * Create an abbreviation or display abbreviations. * * PUBLIC: int ex_abbr __P((SCR *, EXCMD *)); */ int ex_abbr(SCR *sp, EXCMD *cmdp) { CHAR_T *p; size_t len; switch (cmdp->argc) { case 0: if (seq_dump(sp, SEQ_ABBREV, 0) == 0) msgq(sp, M_INFO, "105|No abbreviations to display"); return (0); case 2: break; default: abort(); } /* * Check for illegal characters. * * !!! * Another fun one, historically. See vi/v_ntext.c:txt_abbrev() for * details. The bottom line is that all abbreviations have to end * with a "word" character, because it's the transition from word to * non-word characters that triggers the test for an abbreviation. In * addition, because of the way the test is done, there can't be any * transitions from word to non-word character (or vice-versa) other * than between the next-to-last and last characters of the string, * and there can't be any <blank> characters. Warn the user. */ if (!inword(cmdp->argv[0]->bp[cmdp->argv[0]->len - 1])) { msgq(sp, M_ERR, "106|Abbreviations must end with a \"word\" character"); return (1); } for (p = cmdp->argv[0]->bp; *p != '\0'; ++p) if (ISBLANK((UCHAR_T)p[0])) { msgq(sp, M_ERR, "107|Abbreviations may not contain tabs or spaces"); return (1); } if (cmdp->argv[0]->len > 2) for (p = cmdp->argv[0]->bp, len = cmdp->argv[0]->len - 2; len; --len, ++p) if (inword(p[0]) != inword(p[1])) { msgq(sp, M_ERR, "108|Abbreviations may not mix word/non-word characters, except at the end"); return (1); } if (seq_set(sp, NULL, 0, cmdp->argv[0]->bp, cmdp->argv[0]->len, cmdp->argv[1]->bp, cmdp->argv[1]->len, SEQ_ABBREV, SEQ_USERDEF)) return (1); F_SET(sp->gp, G_ABBREV); return (0); } /* * ex_unabbr -- :unabbreviate key * Delete an abbreviation. * * PUBLIC: int ex_unabbr __P((SCR *, EXCMD *)); */ int ex_unabbr(SCR *sp, EXCMD *cmdp) { ARGS *ap; ap = cmdp->argv[0]; if (!F_ISSET(sp->gp, G_ABBREV) || seq_delete(sp, ap->bp, ap->len, SEQ_ABBREV)) { msgq_wstr(sp, M_ERR, ap->bp, "109|\"%s\" is not an abbreviation"); return (1); } return (0); }