1993-07-09 05:56:50 +04:00
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/*
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* RCS keyword table and match operation
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*/
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/* Copyright (C) 1982, 1988, 1989 Walter Tichy
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Copyright 1990, 1991 by Paul Eggert
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Distributed under license by the Free Software Foundation, Inc.
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This file is part of RCS.
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RCS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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RCS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with RCS; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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Report problems and direct all questions to:
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rcs-bugs@cs.purdue.edu
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*/
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#include "rcsbase.h"
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1994-10-07 17:41:14 +03:00
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libId(keysId, "$Id: rcskeys.c,v 1.5 1994/10/07 14:41:18 mycroft Exp $")
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1993-07-09 05:56:50 +04:00
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char const *const Keyword[] = {
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/* This must be in the same order as rcsbase.h's enum markers type. */
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nil,
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AUTHOR, DATE, HEADER, IDH,
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1994-09-19 06:34:17 +04:00
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#ifdef LOCALID
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LOCALID,
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1994-06-29 09:26:35 +04:00
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#endif
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1994-10-07 17:41:14 +03:00
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LOCKER, LOG,
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1994-06-29 09:26:35 +04:00
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RCSFILE, REVISION, SOURCE, STATE
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1993-07-09 05:56:50 +04:00
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};
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enum markers
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trymatch(string)
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char const *string;
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/* function: Checks whether string starts with a keyword followed
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* by a KDELIM or a VDELIM.
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* If successful, returns the appropriate marker, otherwise Nomatch.
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*/
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{
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register int j;
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register char const *p, *s;
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for (j = sizeof(Keyword)/sizeof(*Keyword); (--j); ) {
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/* try next keyword */
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p = Keyword[j];
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s = string;
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while (*p++ == *s++) {
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if (!*p)
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switch (*s) {
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case KDELIM:
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case VDELIM:
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return (enum markers)j;
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default:
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return Nomatch;
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}
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}
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}
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return(Nomatch);
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}
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