1 /************************************************************
2 * Copyright (c) 1994 by Silicon Graphics Computer Systems, Inc.
4 * Permission to use, copy, modify, and distribute this
5 * software and its documentation for any purpose and without
6 * fee is hereby granted, provided that the above copyright
7 * notice appear in all copies and that both that copyright
8 * notice and this permission notice appear in supporting
9 * documentation, and that the name of Silicon Graphics not be
10 * used in advertising or publicity pertaining to distribution
11 * of the software without specific prior written permission.
12 * Silicon Graphics makes no representation about the suitability
13 * of this software for any purpose. It is provided "as is"
14 * without any express or implied warranty.
16 * SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
17 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
18 * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
19 * GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
20 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
21 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
22 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
23 * THE USE OR PERFORMANCE OF THIS SOFTWARE.
25 ********************************************************/
31 #include "xkbcomp-priv.h"
35 * Extract the first token from an include statement.
36 * @param str_inout Input statement, modified in-place. Can be passed in
37 * repeatedly. If str_inout is NULL, the parsing has completed.
38 * @param file_rtrn Set to the include file to be used.
39 * @param map_rtrn Set to whatever comes after ), if any.
40 * @param nextop_rtrn Set to the next operation in the complete statement.
41 * @param extra_data Set to the string between ( and ), if any.
43 * @return true if parsing was succcessful, false for an illegal string.
45 * Example: "evdev+aliases(qwerty)"
46 * str_inout = aliases(qwerty)
52 * 2nd run with "aliases(qwerty)"
61 ParseIncludeMap(char **str_inout, char **file_rtrn, char **map_rtrn,
62 char *nextop_rtrn, char **extra_data)
64 char *tmp, *str, *next;
68 /* search for tokens inside the string */
69 next = strpbrk(str, "|+");
71 /* set nextop_rtrn to \0, next to next character */
80 /* search for :, store result in extra_data */
81 tmp = strchr(str, ':');
84 *extra_data = strdup(tmp);
90 tmp = strchr(str, '(');
92 *file_rtrn = strdup(str);
95 else if (str[0] == '(') {
101 *file_rtrn = strdup(str);
103 tmp = strchr(str, ')');
104 if ((tmp == NULL) || (tmp[1] != '\0')) {
110 *map_rtrn = strdup(str);
113 if (*nextop_rtrn == '\0')
115 else if ((*nextop_rtrn == '|') || (*nextop_rtrn == '+'))
123 /***====================================================================***/
125 static const char *xkb_file_type_include_dirs[_FILE_TYPE_NUM_ENTRIES] = {
126 [FILE_TYPE_KEYCODES] = "keycodes",
127 [FILE_TYPE_TYPES] = "types",
128 [FILE_TYPE_COMPAT] = "compat",
129 [FILE_TYPE_SYMBOLS] = "symbols",
130 [FILE_TYPE_GEOMETRY] = "geometry",
131 [FILE_TYPE_KEYMAP] = "keymap",
132 [FILE_TYPE_RULES] = "rules",
136 * Return the xkb directory based on the type.
139 DirectoryForInclude(enum xkb_file_type type)
141 if (type >= _FILE_TYPE_NUM_ENTRIES)
143 return xkb_file_type_include_dirs[type];
146 /***====================================================================***/
149 * Search for the given file name in the include directories.
151 * @param ctx the XKB ctx containing the include paths
152 * @param type one of FILE_TYPE_TYPES, FILE_TYPE_COMPAT, ..., or
153 * FILE_TYPE_KEYMAP or FILE_TYPE_RULES
154 * @param pathRtrn is set to the full path of the file if found.
156 * @return an FD to the file or NULL. If NULL is returned, the value of
157 * pathRtrn is undefined.
160 FindFileInXkbPath(struct xkb_context *ctx, const char *name,
161 enum xkb_file_type type, char **pathRtrn)
169 typeDir = DirectoryForInclude(type);
170 for (i = 0; i < xkb_context_num_include_paths(ctx); i++) {
171 ret = snprintf(buf, sizeof(buf), "%s/%s/%s",
172 xkb_context_include_path_get(ctx, i), typeDir, name);
173 if (ret >= (ssize_t) sizeof(buf)) {
174 log_err(ctx, "File name (%s/%s/%s) too long\n",
175 xkb_context_include_path_get(ctx, i), typeDir, name);
178 file = fopen(buf, "r");
180 log_err(ctx, "Couldn't open file (%s/%s/%s): %s\n",
181 xkb_context_include_path_get(ctx, i), typeDir, name,
188 if ((file != NULL) && (pathRtrn != NULL))
189 *pathRtrn = strdup(buf);
194 * Open the file given in the include statement and parse it's content.
195 * If the statement defines a specific map to use, this map is returned in
196 * file_rtrn. Otherwise, the default map is returned.
198 * @param ctx The ctx containing include paths
199 * @param stmt The include statement, specifying the file name to look for.
200 * @param file_type Type of file (FILE_TYPE_KEYCODES, etc.)
201 * @param file_rtrn Returns the key map to be used.
202 * @param merge_rtrn Always returns stmt->merge.
204 * @return true on success or false otherwise.
207 ProcessIncludeFile(struct xkb_context *ctx,
209 enum xkb_file_type file_type,
210 XkbFile ** file_rtrn, enum merge_mode *merge_rtrn)
213 XkbFile *rtrn, *mapToUse, *next;
215 file = FindFileInXkbPath(ctx, stmt->file, file_type, NULL);
217 log_err(ctx, "Can't find file \"%s\" for %s include\n", stmt->file,
218 DirectoryForInclude(file_type));
222 if (!XkbParseFile(ctx, file, stmt->file, &rtrn)) {
223 log_err(ctx, "Error interpreting include file \"%s\"\n", stmt->file);
230 if (stmt->map != NULL) {
233 next = (XkbFile *) mapToUse->common.next;
234 mapToUse->common.next = NULL;
235 if (streq(mapToUse->name, stmt->map) &&
236 mapToUse->file_type == file_type) {
241 FreeXkbFile(mapToUse);
246 log_err(ctx, "No %s named \"%s\" in the include file \"%s\"\n",
247 xkb_file_type_to_string(file_type), stmt->map,
252 else if (rtrn->common.next) {
253 for (; mapToUse; mapToUse = (XkbFile *) mapToUse->common.next)
254 if (mapToUse->flags & XkbLC_Default)
260 "No map in include statement, but \"%s\" contains several; "
261 "Using first defined map, \"%s\"\n",
262 stmt->file, rtrn->name);
266 if (mapToUse->file_type != file_type) {
268 "Include file wrong type (expected %s, got %s); "
269 "Include file \"%s\" ignored\n",
270 xkb_file_type_to_string(file_type),
271 xkb_file_type_to_string(mapToUse->file_type), stmt->file);
275 /* FIXME: we have to check recursive includes here (or somewhere) */
277 *file_rtrn = mapToUse;
278 *merge_rtrn = stmt->merge;