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 * Append the default include directories to the context.
76 xkb_context_include_path_append_default(struct xkb_context *ctx)
83 ret |= xkb_context_include_path_append(ctx, DFLT_XKB_CONFIG_ROOT);
85 home = getenv("HOME");
88 err = asprintf(&user_path, "%s/.xkb", home);
91 ret |= xkb_context_include_path_append(ctx, user_path);
98 * Remove all entries in the context's include path.
101 xkb_context_include_path_clear(struct xkb_context *ctx)
105 darray_foreach(path, ctx->includes)
107 darray_free(ctx->includes);
109 darray_foreach(path, ctx->failed_includes)
111 darray_free(ctx->failed_includes);
115 * xkb_context_include_path_clear() + xkb_context_include_path_append_default()
118 xkb_context_include_path_reset_defaults(struct xkb_context *ctx)
120 xkb_context_include_path_clear(ctx);
121 return xkb_context_include_path_append_default(ctx);
125 * Returns the number of entries in the context's include path.
127 XKB_EXPORT unsigned int
128 xkb_context_num_include_paths(struct xkb_context *ctx)
130 return darray_size(ctx->includes);
134 * Returns the given entry in the context's include path, or NULL if an
135 * invalid index is passed.
137 XKB_EXPORT const char *
138 xkb_context_include_path_get(struct xkb_context *ctx, unsigned int idx)
140 if (idx >= xkb_context_num_include_paths(ctx))
143 return darray_item(ctx->includes, idx);
147 * Take a new reference on the context.
149 XKB_EXPORT struct xkb_context *
150 xkb_context_ref(struct xkb_context *ctx)
157 * Drop an existing reference on the context, and free it if the refcnt is
161 xkb_context_unref(struct xkb_context *ctx)
163 if (!ctx || --ctx->refcnt > 0)
166 xkb_context_include_path_clear(ctx);
167 atom_table_free(ctx->atom_table);
172 log_level_to_prefix(enum xkb_log_level level)
175 case XKB_LOG_LEVEL_DEBUG:
176 return "xkbcommon: DEBUG: ";
177 case XKB_LOG_LEVEL_INFO:
178 return "xkbcommon: INFO: ";
179 case XKB_LOG_LEVEL_WARNING:
180 return "xkbcommon: WARNING: ";
181 case XKB_LOG_LEVEL_ERROR:
182 return "xkbcommon: ERROR: ";
183 case XKB_LOG_LEVEL_CRITICAL:
184 return "xkbcommon: CRITICAL: ";
190 ATTR_PRINTF(3, 0) static void
191 default_log_fn(struct xkb_context *ctx, enum xkb_log_level level,
192 const char *fmt, va_list args)
194 const char *prefix = log_level_to_prefix(level);
197 fprintf(stderr, "%s", prefix);
198 vfprintf(stderr, fmt, args);
201 static enum xkb_log_level
202 log_level(const char *level) {
204 enum xkb_log_level lvl;
207 lvl = strtol(level, &endptr, 10);
208 if (errno == 0 && (endptr[0] == '\0' || is_space(endptr[0])))
210 if (istreq_prefix("crit", level))
211 return XKB_LOG_LEVEL_CRITICAL;
212 if (istreq_prefix("err", level))
213 return XKB_LOG_LEVEL_ERROR;
214 if (istreq_prefix("warn", level))
215 return XKB_LOG_LEVEL_WARNING;
216 if (istreq_prefix("info", level))
217 return XKB_LOG_LEVEL_INFO;
218 if (istreq_prefix("debug", level) || istreq_prefix("dbg", level))
219 return XKB_LOG_LEVEL_DEBUG;
221 return XKB_LOG_LEVEL_ERROR;
225 log_verbosity(const char *verbosity) {
230 v = strtol(verbosity, &endptr, 10);
238 * Create a new context.
240 XKB_EXPORT struct xkb_context *
241 xkb_context_new(enum xkb_context_flags flags)
244 struct xkb_context *ctx = calloc(1, sizeof(*ctx));
250 ctx->log_fn = default_log_fn;
251 ctx->log_level = XKB_LOG_LEVEL_ERROR;
252 ctx->log_verbosity = 0;
254 /* Environment overwrites defaults. */
255 env = getenv("XKB_LOG_LEVEL");
257 xkb_context_set_log_level(ctx, log_level(env));
259 env = getenv("XKB_LOG_VERBOSITY");
261 xkb_context_set_log_verbosity(ctx, log_verbosity(env));
263 if (!(flags & XKB_CONTEXT_NO_DEFAULT_INCLUDES) &&
264 !xkb_context_include_path_append_default(ctx)) {
265 log_err(ctx, "failed to add default include path %s\n",
266 DFLT_XKB_CONFIG_ROOT);
267 xkb_context_unref(ctx);
271 ctx->use_environment_names = !(flags & XKB_CONTEXT_NO_ENVIRONMENT_NAMES);
273 ctx->atom_table = atom_table_new();
274 if (!ctx->atom_table) {
275 xkb_context_unref(ctx);
283 xkb_context_set_log_fn(struct xkb_context *ctx,
284 void (*log_fn)(struct xkb_context *ctx,
285 enum xkb_log_level level,
286 const char *fmt, va_list args))
288 ctx->log_fn = (log_fn ? log_fn : default_log_fn);
291 XKB_EXPORT enum xkb_log_level
292 xkb_context_get_log_level(struct xkb_context *ctx)
294 return ctx->log_level;
298 xkb_context_set_log_level(struct xkb_context *ctx, enum xkb_log_level level)
300 ctx->log_level = level;
304 xkb_context_get_log_verbosity(struct xkb_context *ctx)
306 return ctx->log_verbosity;
310 xkb_context_set_log_verbosity(struct xkb_context *ctx, int verbosity)
312 ctx->log_verbosity = verbosity;
316 xkb_context_get_user_data(struct xkb_context *ctx)
319 return ctx->user_data;
324 xkb_context_set_user_data(struct xkb_context *ctx, void *user_data)
326 ctx->user_data = user_data;