2 * Copyright © 2012 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
23 * Author: Daniel Stone <daniel@fooishbar.org>
26 #include <sys/types.h>
39 * Append one directory to the context's include path.
42 xkb_context_include_path_append(struct xkb_context *ctx, const char *path)
52 err = stat(path, &stat_buf);
55 if (!S_ISDIR(stat_buf.st_mode))
58 #if defined(HAVE_EACCESS)
59 if (eaccess(path, R_OK | X_OK) != 0)
61 #elif defined(HAVE_EUIDACCESS)
62 if (euidaccess(path, R_OK | X_OK) != 0)
66 darray_append(ctx->includes, tmp);
70 darray_append(ctx->failed_includes, tmp);
75 * Append the default include directories to the context.
78 xkb_context_include_path_append_default(struct xkb_context *ctx)
85 ret |= xkb_context_include_path_append(ctx, DFLT_XKB_CONFIG_ROOT);
87 home = getenv("HOME");
90 err = asprintf(&user_path, "%s/.xkb", home);
93 ret |= xkb_context_include_path_append(ctx, user_path);
100 * Remove all entries in the context's include path.
103 xkb_context_include_path_clear(struct xkb_context *ctx)
107 darray_foreach(path, ctx->includes)
109 darray_free(ctx->includes);
111 darray_foreach(path, ctx->failed_includes)
113 darray_free(ctx->failed_includes);
117 * xkb_context_include_path_clear() + xkb_context_include_path_append_default()
120 xkb_context_include_path_reset_defaults(struct xkb_context *ctx)
122 xkb_context_include_path_clear(ctx);
123 return xkb_context_include_path_append_default(ctx);
127 * Returns the number of entries in the context's include path.
129 XKB_EXPORT unsigned int
130 xkb_context_num_include_paths(struct xkb_context *ctx)
132 return darray_size(ctx->includes);
136 * Returns the given entry in the context's include path, or NULL if an
137 * invalid index is passed.
139 XKB_EXPORT const char *
140 xkb_context_include_path_get(struct xkb_context *ctx, unsigned int idx)
142 if (idx >= xkb_context_num_include_paths(ctx))
145 return darray_item(ctx->includes, idx);
149 xkb_context_take_file_id(struct xkb_context *ctx)
151 return ctx->file_id++;
155 * Take a new reference on the context.
157 XKB_EXPORT struct xkb_context *
158 xkb_context_ref(struct xkb_context *ctx)
165 * Drop an existing reference on the context, and free it if the refcnt is
169 xkb_context_unref(struct xkb_context *ctx)
171 if (--ctx->refcnt > 0)
174 xkb_context_include_path_clear(ctx);
175 atom_table_free(ctx->atom_table);
180 priority_to_prefix(int priority)
194 return "Internal error:";
200 ATTR_PRINTF(3, 0) static void
201 default_log_fn(struct xkb_context *ctx, int priority,
202 const char *fmt, va_list args)
204 const char *prefix = priority_to_prefix(priority);
207 fprintf(stderr, "%-15s", prefix);
208 vfprintf(stderr, fmt, args);
212 log_priority(const char *priority) {
217 prio = strtol(priority, &endptr, 10);
218 if (errno == 0 && (endptr[0] == '\0' || isspace(endptr[0])))
220 if (strncasecmp(priority, "err", 3) == 0)
222 if (strncasecmp(priority, "warn", 4) == 0)
224 if (strncasecmp(priority, "info", 4) == 0)
226 if (strncasecmp(priority, "debug", 5) == 0)
233 log_verbosity(const char *verbosity) {
238 v = strtol(verbosity, &endptr, 10);
246 * Create a new context.
248 XKB_EXPORT struct xkb_context *
249 xkb_context_new(enum xkb_context_flags flags)
252 struct xkb_context *ctx = calloc(1, sizeof(*ctx));
258 ctx->log_fn = default_log_fn;
259 ctx->log_priority = LOG_ERR;
260 ctx->log_verbosity = 0;
262 /* Environment overwrites defaults. */
263 env = getenv("XKB_LOG");
265 xkb_set_log_priority(ctx, log_priority(env));
267 env = getenv("XKB_VERBOSITY");
269 xkb_set_log_verbosity(ctx, log_verbosity(env));
271 if (!(flags & XKB_CONTEXT_NO_DEFAULT_INCLUDES) &&
272 !xkb_context_include_path_append_default(ctx)) {
273 log_err(ctx, "failed to add default include path %s\n",
274 DFLT_XKB_CONFIG_ROOT);
275 xkb_context_unref(ctx);
279 ctx->atom_table = atom_table_new();
280 if (!ctx->atom_table) {
281 xkb_context_unref(ctx);
289 xkb_atom_intern(struct xkb_context *ctx, const char *string)
291 return atom_intern(ctx->atom_table, string, false);
295 xkb_atom_steal(struct xkb_context *ctx, char *string)
297 return atom_intern(ctx->atom_table, string, true);
301 xkb_atom_strdup(struct xkb_context *ctx, xkb_atom_t atom)
303 return atom_strdup(ctx->atom_table, atom);
307 xkb_atom_text(struct xkb_context *ctx, xkb_atom_t atom)
309 return atom_text(ctx->atom_table, atom);
313 xkb_log(struct xkb_context *ctx, int priority, const char *fmt, ...)
318 ctx->log_fn(ctx, priority, fmt, args);
323 xkb_set_log_fn(struct xkb_context *ctx,
324 void (*log_fn)(struct xkb_context *ctx, int priority,
325 const char *fmt, va_list args))
327 ctx->log_fn = (log_fn ? log_fn : default_log_fn);
331 xkb_get_log_priority(struct xkb_context *ctx)
333 return ctx->log_priority;
337 xkb_set_log_priority(struct xkb_context *ctx, int priority)
339 ctx->log_priority = priority;
343 xkb_get_log_verbosity(struct xkb_context *ctx)
345 return ctx->log_verbosity;
349 xkb_set_log_verbosity(struct xkb_context *ctx, int verbosity)
351 ctx->log_verbosity = verbosity;
355 xkb_get_user_data(struct xkb_context *ctx)
358 return ctx->user_data;
363 xkb_set_user_data(struct xkb_context *ctx, void *user_data)
365 ctx->user_data = user_data;