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rcskeys.c (22996) rcskeys.c (25699)
1/* RCS keyword table and match operation */
2
3/* Copyright 1982, 1988, 1989 Walter Tichy
4 Copyright 1990, 1991, 1992, 1993, 1995 Paul Eggert
5 Distributed under license by the Free Software Foundation, Inc.
6
7This file is part of RCS.
8

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58 * Revision 4.1 83/05/04 10:06:53 wft
59 * Initial revision.
60 *
61 */
62
63
64#include "rcsbase.h"
65
1/* RCS keyword table and match operation */
2
3/* Copyright 1982, 1988, 1989 Walter Tichy
4 Copyright 1990, 1991, 1992, 1993, 1995 Paul Eggert
5 Distributed under license by the Free Software Foundation, Inc.
6
7This file is part of RCS.
8

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58 * Revision 4.1 83/05/04 10:06:53 wft
59 * Initial revision.
60 *
61 */
62
63
64#include "rcsbase.h"
65
66libId(keysId, "$Id$")
66libId(keysId, "$Id: rcskeys.c,v 1.10 1997/02/22 15:47:38 peter Exp $")
67
68
67
68
69char const *const Keyword[] = {
69char const *Keyword[] = {
70 /* This must be in the same order as rcsbase.h's enum markers type. */
71 0,
72 AUTHOR, DATE, HEADER, IDH,
70 /* This must be in the same order as rcsbase.h's enum markers type. */
71 0,
72 AUTHOR, DATE, HEADER, IDH,
73 LOCKER, LOG, NAME, RCSFILE, REVISION, SOURCE, STATE,
74 FREEBSD
73 LOCKER, LOG, NAME, RCSFILE, REVISION, SOURCE, STATE, CVSHEADER,
74 NULL
75};
76
77/* Expand all keywords by default */
75};
76
77/* Expand all keywords by default */
78
79static int ExpandKeyword[] = {
80 false,
81 true, true, true, true,
78static int ExpandKeyword[] = {
79 false,
80 true, true, true, true,
82 true, true, true, true, true, true, true,
83 false
81 true, true, true, true, true, true, true, true,
82 true
84};
83};
84enum markers LocalIdMode = Id;
85
86 enum markers
87trymatch(string)
88 char const *string;
89/* function: Checks whether string starts with a keyword followed
90 * by a KDELIM or a VDELIM.
91 * If successful, returns the appropriate marker, otherwise Nomatch.
92 */
93{
94 register int j;
95 register char const *p, *s;
96 for (j = sizeof(Keyword)/sizeof(*Keyword); (--j); ) {
97 if (!ExpandKeyword[j])
98 continue;
99 /* try next keyword */
100 p = Keyword[j];
85
86 enum markers
87trymatch(string)
88 char const *string;
89/* function: Checks whether string starts with a keyword followed
90 * by a KDELIM or a VDELIM.
91 * If successful, returns the appropriate marker, otherwise Nomatch.
92 */
93{
94 register int j;
95 register char const *p, *s;
96 for (j = sizeof(Keyword)/sizeof(*Keyword); (--j); ) {
97 if (!ExpandKeyword[j])
98 continue;
99 /* try next keyword */
100 p = Keyword[j];
101 if (p == NULL)
102 continue;
101 s = string;
102 while (*p++ == *s++) {
103 if (!*p)
104 switch (*s) {
105 case KDELIM:
106 case VDELIM:
107 return (enum markers)j;
108 default:
109 return Nomatch;
110 }
111 }
112 }
113 return(Nomatch);
114}
115
103 s = string;
104 while (*p++ == *s++) {
105 if (!*p)
106 switch (*s) {
107 case KDELIM:
108 case VDELIM:
109 return (enum markers)j;
110 default:
111 return Nomatch;
112 }
113 }
114 }
115 return(Nomatch);
116}
117
118 void
116setIncExc(arg)
119setIncExc(arg)
117 char *arg;
120 char const *arg;
118/* Sets up the ExpandKeyword table according to command-line flags */
119{
120 char *key;
121/* Sets up the ExpandKeyword table according to command-line flags */
122{
123 char *key;
124 char *copy, *next;
121 int include = 0, j;
122
125 int include = 0, j;
126
123 arg += 2;
124 switch (*arg++) {
127 copy = strdup(arg);
128 next = copy;
129 switch (*next++) {
125 case 'e':
126 include = false;
127 break;
128 case 'i':
129 include = true;
130 break;
131 default:
130 case 'e':
131 include = false;
132 break;
133 case 'i':
134 include = true;
135 break;
136 default:
132 return(false);
137 free(copy);
138 return;
133 }
134 if (include)
135 for (j = sizeof(Keyword)/sizeof(*Keyword); (--j); )
136 ExpandKeyword[j] = false;
139 }
140 if (include)
141 for (j = sizeof(Keyword)/sizeof(*Keyword); (--j); )
142 ExpandKeyword[j] = false;
137 key = strtok(arg, ",");
143 key = strtok(next, ",");
138 while (key) {
144 while (key) {
139 for (j = sizeof(Keyword)/sizeof(*Keyword); (--j); )
145 for (j = sizeof(Keyword)/sizeof(*Keyword); (--j); ) {
146 if (Keyword[j] == NULL)
147 continue;
140 if (!strcmp(key, Keyword[j]))
141 ExpandKeyword[j] = include;
148 if (!strcmp(key, Keyword[j]))
149 ExpandKeyword[j] = include;
150 }
142 key = strtok(NULL, ",");
143 }
151 key = strtok(NULL, ",");
152 }
144 return(true);
153 free(copy);
154 return;
145}
155}
156
157 void
158setRCSLocalId(string)
159 char const *string;
160/* function: sets local RCS id and RCSLOCALID envariable */
161{
162 static char local_id[keylength+1];
163 char *copy, *next, *key;
164 int j;
165
166 copy = strdup(string);
167 next = copy;
168 key = strtok(next, "=");
169 if (strlen(key) > keylength)
170 error("LocalId is too long");
171 VOID strcpy(local_id, key);
172 Keyword[LocalId] = local_id;
173
174 /* options? */
175 while (key = strtok(NULL, ",")) {
176 if (!strcmp(key, Keyword[Id]))
177 LocalIdMode=Id;
178 else if (!strcmp(key, Keyword[Header]))
179 LocalIdMode=Header;
180 else if (!strcmp(key, Keyword[CVSHeader]))
181 LocalIdMode=CVSHeader;
182 else
183 error("Unknown LocalId mode");
184 }
185 free(copy);
186}