2 * Copyright © 2012 Intel Corporation
3 * Copyright © 2012 Ran Benita
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
24 * Author: Daniel Stone <daniel@fooishbar.org>
29 #include <sys/types.h>
33 #include "xkbcommon/xkbcommon.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);
57 if (!S_ISDIR(stat_buf.st_mode)) {
62 if (!check_eaccess(path, R_OK | X_OK)) {
67 darray_append(ctx->includes, tmp);
68 log_dbg(ctx, XKB_LOG_MESSAGE_NO_ID, "Include path added: %s\n", tmp);
73 darray_append(ctx->failed_includes, tmp);
74 log_dbg(ctx, XKB_LOG_MESSAGE_NO_ID,
75 "Include path failed: %s (%s)\n", tmp, strerror(err));
80 xkb_context_include_path_get_extra_path(struct xkb_context *ctx)
82 const char *extra = xkb_context_getenv(ctx, "XKB_CONFIG_EXTRA_PATH");
83 return extra ? extra : DFLT_XKB_CONFIG_EXTRA_PATH;
87 xkb_context_include_path_get_system_path(struct xkb_context *ctx)
89 const char *root = xkb_context_getenv(ctx, "XKB_CONFIG_ROOT");
90 return root ? root : DFLT_XKB_CONFIG_ROOT;
94 * Append the default include directories to the context.
97 xkb_context_include_path_append_default(struct xkb_context *ctx)
99 const char *home, *xdg, *root, *extra;
103 home = xkb_context_getenv(ctx, "HOME");
105 xdg = xkb_context_getenv(ctx, "XDG_CONFIG_HOME");
107 user_path = asprintf_safe("%s/xkb", xdg);
109 ret |= xkb_context_include_path_append(ctx, user_path);
112 } else if (home != NULL) {
113 /* XDG_CONFIG_HOME fallback is $HOME/.config/ */
114 user_path = asprintf_safe("%s/.config/xkb", home);
116 ret |= xkb_context_include_path_append(ctx, user_path);
122 user_path = asprintf_safe("%s/.xkb", home);
124 ret |= xkb_context_include_path_append(ctx, user_path);
129 extra = xkb_context_include_path_get_extra_path(ctx);
130 ret |= xkb_context_include_path_append(ctx, extra);
131 root = xkb_context_include_path_get_system_path(ctx);
132 ret |= xkb_context_include_path_append(ctx, root);
138 * Remove all entries in the context's include path.
141 xkb_context_include_path_clear(struct xkb_context *ctx)
145 darray_foreach(path, ctx->includes)
147 darray_free(ctx->includes);
149 darray_foreach(path, ctx->failed_includes)
151 darray_free(ctx->failed_includes);
155 * xkb_context_include_path_clear() + xkb_context_include_path_append_default()
158 xkb_context_include_path_reset_defaults(struct xkb_context *ctx)
160 xkb_context_include_path_clear(ctx);
161 return xkb_context_include_path_append_default(ctx);
165 * Returns the number of entries in the context's include path.
167 XKB_EXPORT unsigned int
168 xkb_context_num_include_paths(struct xkb_context *ctx)
170 return darray_size(ctx->includes);
174 * Returns the given entry in the context's include path, or NULL if an
175 * invalid index is passed.
177 XKB_EXPORT const char *
178 xkb_context_include_path_get(struct xkb_context *ctx, unsigned int idx)
180 if (idx >= xkb_context_num_include_paths(ctx))
183 return darray_item(ctx->includes, idx);
187 * Take a new reference on the context.
189 XKB_EXPORT struct xkb_context *
190 xkb_context_ref(struct xkb_context *ctx)
197 * Drop an existing reference on the context, and free it if the refcnt is
201 xkb_context_unref(struct xkb_context *ctx)
203 if (!ctx || --ctx->refcnt > 0)
206 free(ctx->x11_atom_cache);
207 xkb_context_include_path_clear(ctx);
208 atom_table_free(ctx->atom_table);
213 log_level_to_prefix(enum xkb_log_level level)
216 case XKB_LOG_LEVEL_DEBUG:
217 return "xkbcommon: DEBUG: ";
218 case XKB_LOG_LEVEL_INFO:
219 return "xkbcommon: INFO: ";
220 case XKB_LOG_LEVEL_WARNING:
221 return "xkbcommon: WARNING: ";
222 case XKB_LOG_LEVEL_ERROR:
223 return "xkbcommon: ERROR: ";
224 case XKB_LOG_LEVEL_CRITICAL:
225 return "xkbcommon: CRITICAL: ";
231 ATTR_PRINTF(3, 0) static void
232 default_log_fn(struct xkb_context *ctx, enum xkb_log_level level,
233 const char *fmt, va_list args)
235 const char *prefix = log_level_to_prefix(level);
238 fprintf(stderr, "%s", prefix);
239 vfprintf(stderr, fmt, args);
242 static enum xkb_log_level
243 log_level(const char *level) {
245 enum xkb_log_level lvl;
248 lvl = strtol(level, &endptr, 10);
249 if (errno == 0 && (endptr[0] == '\0' || is_space(endptr[0])))
251 if (istreq_prefix("crit", level))
252 return XKB_LOG_LEVEL_CRITICAL;
253 if (istreq_prefix("err", level))
254 return XKB_LOG_LEVEL_ERROR;
255 if (istreq_prefix("warn", level))
256 return XKB_LOG_LEVEL_WARNING;
257 if (istreq_prefix("info", level))
258 return XKB_LOG_LEVEL_INFO;
259 if (istreq_prefix("debug", level) || istreq_prefix("dbg", level))
260 return XKB_LOG_LEVEL_DEBUG;
262 return XKB_LOG_LEVEL_ERROR;
266 log_verbosity(const char *verbosity) {
271 v = strtol(verbosity, &endptr, 10);
279 * Create a new context.
281 XKB_EXPORT struct xkb_context *
282 xkb_context_new(enum xkb_context_flags flags)
285 struct xkb_context *ctx = calloc(1, sizeof(*ctx));
291 ctx->log_fn = default_log_fn;
292 ctx->log_level = XKB_LOG_LEVEL_ERROR;
293 ctx->log_verbosity = 0;
294 ctx->use_environment_names = !(flags & XKB_CONTEXT_NO_ENVIRONMENT_NAMES);
295 ctx->use_secure_getenv = !(flags & XKB_CONTEXT_NO_SECURE_GETENV);
297 /* Environment overwrites defaults. */
298 env = xkb_context_getenv(ctx, "XKB_LOG_LEVEL");
300 xkb_context_set_log_level(ctx, log_level(env));
302 env = xkb_context_getenv(ctx, "XKB_LOG_VERBOSITY");
304 xkb_context_set_log_verbosity(ctx, log_verbosity(env));
306 if (!(flags & XKB_CONTEXT_NO_DEFAULT_INCLUDES) &&
307 !xkb_context_include_path_append_default(ctx)) {
308 log_err(ctx, XKB_LOG_MESSAGE_NO_ID,
309 "failed to add default include path %s\n",
310 DFLT_XKB_CONFIG_ROOT);
311 xkb_context_unref(ctx);
315 ctx->atom_table = atom_table_new();
316 if (!ctx->atom_table) {
317 xkb_context_unref(ctx);
321 ctx->x11_atom_cache = NULL;
327 xkb_context_set_log_fn(struct xkb_context *ctx,
328 void (*log_fn)(struct xkb_context *ctx,
329 enum xkb_log_level level,
330 const char *fmt, va_list args))
332 ctx->log_fn = (log_fn ? log_fn : default_log_fn);
335 XKB_EXPORT enum xkb_log_level
336 xkb_context_get_log_level(struct xkb_context *ctx)
338 return ctx->log_level;
342 xkb_context_set_log_level(struct xkb_context *ctx, enum xkb_log_level level)
344 ctx->log_level = level;
348 xkb_context_get_log_verbosity(struct xkb_context *ctx)
350 return ctx->log_verbosity;
354 xkb_context_set_log_verbosity(struct xkb_context *ctx, int verbosity)
356 ctx->log_verbosity = verbosity;
360 xkb_context_get_user_data(struct xkb_context *ctx)
363 return ctx->user_data;
368 xkb_context_set_user_data(struct xkb_context *ctx, void *user_data)
370 ctx->user_data = user_data;