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>
27 #include <sys/types.h>
32 #include "xkbcommon/xkbcommon.h"
37 * Append one directory to the context's include path.
40 xkb_context_include_path_append(struct xkb_context *ctx, const char *path)
50 err = stat(path, &stat_buf);
53 if (!S_ISDIR(stat_buf.st_mode))
56 #if defined(HAVE_EACCESS)
57 if (eaccess(path, R_OK | X_OK) != 0)
59 #elif defined(HAVE_EUIDACCESS)
60 if (euidaccess(path, R_OK | X_OK) != 0)
64 darray_append(ctx->includes, tmp);
68 darray_append(ctx->failed_includes, tmp);
73 xkb_context_include_path_get_system_path(struct xkb_context *ctx)
75 const char *root = secure_getenv("XKB_CONFIG_ROOT");
76 return root ? root : DFLT_XKB_CONFIG_ROOT;
80 * Append the default include directories to the context.
83 xkb_context_include_path_append_default(struct xkb_context *ctx)
85 const char *home, *xdg, *root;
90 home = secure_getenv("HOME");
92 xdg = secure_getenv("XDG_CONFIG_HOME");
94 err = asprintf(&user_path, "%s/xkb", xdg);
96 ret |= xkb_context_include_path_append(ctx, user_path);
99 } else if (home != NULL) {
100 /* XDG_CONFIG_HOME fallback is $HOME/.config/ */
101 err = asprintf(&user_path, "%s/.config/xkb", home);
103 ret |= xkb_context_include_path_append(ctx, user_path);
109 err = asprintf(&user_path, "%s/.xkb", home);
111 ret |= xkb_context_include_path_append(ctx, user_path);
116 root = xkb_context_include_path_get_system_path(ctx);
117 ret |= xkb_context_include_path_append(ctx, root);
123 * Remove all entries in the context's include path.
126 xkb_context_include_path_clear(struct xkb_context *ctx)
130 darray_foreach(path, ctx->includes)
132 darray_free(ctx->includes);
134 darray_foreach(path, ctx->failed_includes)
136 darray_free(ctx->failed_includes);
140 * xkb_context_include_path_clear() + xkb_context_include_path_append_default()
143 xkb_context_include_path_reset_defaults(struct xkb_context *ctx)
145 xkb_context_include_path_clear(ctx);
146 return xkb_context_include_path_append_default(ctx);
150 * Returns the number of entries in the context's include path.
152 XKB_EXPORT unsigned int
153 xkb_context_num_include_paths(struct xkb_context *ctx)
155 return darray_size(ctx->includes);
159 * Returns the given entry in the context's include path, or NULL if an
160 * invalid index is passed.
162 XKB_EXPORT const char *
163 xkb_context_include_path_get(struct xkb_context *ctx, unsigned int idx)
165 if (idx >= xkb_context_num_include_paths(ctx))
168 return darray_item(ctx->includes, idx);
172 * Take a new reference on the context.
174 XKB_EXPORT struct xkb_context *
175 xkb_context_ref(struct xkb_context *ctx)
182 * Drop an existing reference on the context, and free it if the refcnt is
186 xkb_context_unref(struct xkb_context *ctx)
188 if (!ctx || --ctx->refcnt > 0)
191 xkb_context_include_path_clear(ctx);
192 atom_table_free(ctx->atom_table);
197 log_level_to_prefix(enum xkb_log_level level)
200 case XKB_LOG_LEVEL_DEBUG:
201 return "xkbcommon: DEBUG: ";
202 case XKB_LOG_LEVEL_INFO:
203 return "xkbcommon: INFO: ";
204 case XKB_LOG_LEVEL_WARNING:
205 return "xkbcommon: WARNING: ";
206 case XKB_LOG_LEVEL_ERROR:
207 return "xkbcommon: ERROR: ";
208 case XKB_LOG_LEVEL_CRITICAL:
209 return "xkbcommon: CRITICAL: ";
215 ATTR_PRINTF(3, 0) static void
216 default_log_fn(struct xkb_context *ctx, enum xkb_log_level level,
217 const char *fmt, va_list args)
219 const char *prefix = log_level_to_prefix(level);
222 fprintf(stderr, "%s", prefix);
223 vfprintf(stderr, fmt, args);
226 static enum xkb_log_level
227 log_level(const char *level) {
229 enum xkb_log_level lvl;
232 lvl = strtol(level, &endptr, 10);
233 if (errno == 0 && (endptr[0] == '\0' || is_space(endptr[0])))
235 if (istreq_prefix("crit", level))
236 return XKB_LOG_LEVEL_CRITICAL;
237 if (istreq_prefix("err", level))
238 return XKB_LOG_LEVEL_ERROR;
239 if (istreq_prefix("warn", level))
240 return XKB_LOG_LEVEL_WARNING;
241 if (istreq_prefix("info", level))
242 return XKB_LOG_LEVEL_INFO;
243 if (istreq_prefix("debug", level) || istreq_prefix("dbg", level))
244 return XKB_LOG_LEVEL_DEBUG;
246 return XKB_LOG_LEVEL_ERROR;
250 log_verbosity(const char *verbosity) {
255 v = strtol(verbosity, &endptr, 10);
263 * Create a new context.
265 XKB_EXPORT struct xkb_context *
266 xkb_context_new(enum xkb_context_flags flags)
269 struct xkb_context *ctx = calloc(1, sizeof(*ctx));
275 ctx->log_fn = default_log_fn;
276 ctx->log_level = XKB_LOG_LEVEL_ERROR;
277 ctx->log_verbosity = 0;
279 /* Environment overwrites defaults. */
280 env = secure_getenv("XKB_LOG_LEVEL");
282 xkb_context_set_log_level(ctx, log_level(env));
284 env = secure_getenv("XKB_LOG_VERBOSITY");
286 xkb_context_set_log_verbosity(ctx, log_verbosity(env));
288 if (!(flags & XKB_CONTEXT_NO_DEFAULT_INCLUDES) &&
289 !xkb_context_include_path_append_default(ctx)) {
290 log_err(ctx, "failed to add default include path %s\n",
291 DFLT_XKB_CONFIG_ROOT);
292 xkb_context_unref(ctx);
296 ctx->use_environment_names = !(flags & XKB_CONTEXT_NO_ENVIRONMENT_NAMES);
298 ctx->atom_table = atom_table_new();
299 if (!ctx->atom_table) {
300 xkb_context_unref(ctx);
308 xkb_context_set_log_fn(struct xkb_context *ctx,
309 void (*log_fn)(struct xkb_context *ctx,
310 enum xkb_log_level level,
311 const char *fmt, va_list args))
313 ctx->log_fn = (log_fn ? log_fn : default_log_fn);
316 XKB_EXPORT enum xkb_log_level
317 xkb_context_get_log_level(struct xkb_context *ctx)
319 return ctx->log_level;
323 xkb_context_set_log_level(struct xkb_context *ctx, enum xkb_log_level level)
325 ctx->log_level = level;
329 xkb_context_get_log_verbosity(struct xkb_context *ctx)
331 return ctx->log_verbosity;
335 xkb_context_set_log_verbosity(struct xkb_context *ctx, int verbosity)
337 ctx->log_verbosity = verbosity;
341 xkb_context_get_user_data(struct xkb_context *ctx)
344 return ctx->user_data;
349 xkb_context_set_user_data(struct xkb_context *ctx, void *user_data)
351 ctx->user_data = user_data;