187 lines
4.3 KiB
C
187 lines
4.3 KiB
C
/* RCS keyword table and match operation */
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/* Copyright 1982, 1988, 1989 Walter Tichy
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Copyright 1990, 1991, 1992, 1993, 1995 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.
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If not, write to the Free Software Foundation,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, 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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/*
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* Revision 5.4 1995/06/16 06:19:24 eggert
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* Update FSF address.
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*
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* Revision 5.3 1993/11/03 17:42:27 eggert
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* Add Name keyword.
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*
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* Revision 5.2 1991/08/19 03:13:55 eggert
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* Say `T const' instead of `const T'; it's less confusing for pointer types.
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* (This change was made in other source files too.)
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*
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* Revision 5.1 1991/04/21 11:58:25 eggert
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* Don't put , just before } in initializer.
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*
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* Revision 5.0 1990/08/22 08:12:54 eggert
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* Add -k. Ansify and Posixate.
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*
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* Revision 4.3 89/05/01 15:13:02 narten
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* changed copyright header to reflect current distribution rules
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*
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* Revision 4.2 87/10/18 10:36:33 narten
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* Updating version numbers. Changes relative to 1.1 actuallyt
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* relative to 4.1
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*
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* Revision 1.2 87/09/24 14:00:10 narten
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* Sources now pass through lint (if you ignore printf/sprintf/fprintf
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* warnings)
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*
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* Revision 4.1 83/05/04 10:06:53 wft
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* Initial revision.
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*
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*/
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#include "rcsbase.h"
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libId(keysId, "$FreeBSD$")
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char const *Keyword[] = {
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/* This must be in the same order as rcsbase.h's enum markers type. */
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0,
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AUTHOR, DATE, HEADER, IDH,
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LOCKER, LOG, NAME, RCSFILE, REVISION, SOURCE, STATE, CVSHEADER,
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NULL
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};
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/* Expand all keywords by default */
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static int ExpandKeyword[] = {
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false,
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true, true, true, true,
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true, true, true, true, true, true, true, true,
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true
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};
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enum markers LocalIdMode = Id;
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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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if (!ExpandKeyword[j])
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continue;
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/* try next keyword */
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p = Keyword[j];
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if (p == NULL)
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continue;
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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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void
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setIncExc(arg)
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char const *arg;
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/* Sets up the ExpandKeyword table according to command-line flags */
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{
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char *key;
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char *copy, *next;
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int include = 0, j;
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copy = strdup(arg);
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next = copy;
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switch (*next++) {
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case 'e':
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include = false;
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break;
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case 'i':
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include = true;
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break;
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default:
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free(copy);
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return;
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}
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if (include)
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for (j = sizeof(Keyword)/sizeof(*Keyword); (--j); )
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ExpandKeyword[j] = false;
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key = strtok(next, ",");
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while (key) {
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for (j = sizeof(Keyword)/sizeof(*Keyword); (--j); ) {
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if (Keyword[j] == NULL)
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continue;
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if (!strcmp(key, Keyword[j]))
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ExpandKeyword[j] = include;
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}
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key = strtok(NULL, ",");
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}
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free(copy);
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return;
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}
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void
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setRCSLocalId(string)
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char const *string;
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/* function: sets local RCS id and RCSLOCALID envariable */
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{
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static char local_id[keylength+1];
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char *copy, *next, *key;
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int j;
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copy = strdup(string);
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next = copy;
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key = strtok(next, "=");
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if (strlen(key) > keylength)
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faterror("LocalId is too long");
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VOID strcpy(local_id, key);
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Keyword[LocalId] = local_id;
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/* options? */
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while (key = strtok(NULL, ",")) {
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if (!strcmp(key, Keyword[Id]))
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LocalIdMode=Id;
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else if (!strcmp(key, Keyword[Header]))
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LocalIdMode=Header;
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else if (!strcmp(key, Keyword[CVSHeader]))
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LocalIdMode=CVSHeader;
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else
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error("Unknown LocalId mode");
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}
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free(copy);
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}
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