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>
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 log_level_to_prefix(enum xkb_log_level level)
183 case XKB_LOG_LEVEL_DEBUG:
185 case XKB_LOG_LEVEL_INFO:
187 case XKB_LOG_LEVEL_WARNING:
189 case XKB_LOG_LEVEL_ERROR:
191 case XKB_LOG_LEVEL_CRITICAL:
198 ATTR_PRINTF(3, 0) static void
199 default_log_fn(struct xkb_context *ctx, enum xkb_log_level level,
200 const char *fmt, va_list args)
202 const char *prefix = log_level_to_prefix(level);
205 fprintf(stderr, "%-10s", prefix);
206 vfprintf(stderr, fmt, args);
209 static enum xkb_log_level
210 log_level(const char *level) {
212 enum xkb_log_level lvl;
215 lvl = strtol(level, &endptr, 10);
216 if (errno == 0 && (endptr[0] == '\0' || isspace(endptr[0])))
218 if (istreq_prefix("crit", level))
219 return XKB_LOG_LEVEL_CRITICAL;
220 if (istreq_prefix("err", level))
221 return XKB_LOG_LEVEL_ERROR;
222 if (istreq_prefix("warn", level))
223 return XKB_LOG_LEVEL_WARNING;
224 if (istreq_prefix("info", level))
225 return XKB_LOG_LEVEL_INFO;
226 if (istreq_prefix("debug", level) || istreq_prefix("dbg", level))
227 return XKB_LOG_LEVEL_DEBUG;
229 return XKB_LOG_LEVEL_ERROR;
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_level = XKB_LOG_LEVEL_ERROR;
260 ctx->log_verbosity = 0;
262 /* Environment overwrites defaults. */
263 env = getenv("XKB_LOG");
265 xkb_set_log_level(ctx, log_level(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_lookup(struct xkb_context *ctx, const char *string)
291 return atom_lookup(ctx->atom_table, string);
295 xkb_atom_intern(struct xkb_context *ctx, const char *string)
297 return atom_intern(ctx->atom_table, string, false);
301 xkb_atom_steal(struct xkb_context *ctx, char *string)
303 return atom_intern(ctx->atom_table, string, true);
307 xkb_atom_strdup(struct xkb_context *ctx, xkb_atom_t atom)
309 return atom_strdup(ctx->atom_table, atom);
313 xkb_atom_text(struct xkb_context *ctx, xkb_atom_t atom)
315 return atom_text(ctx->atom_table, atom);
319 xkb_log(struct xkb_context *ctx, enum xkb_log_level level,
320 const char *fmt, ...)
325 ctx->log_fn(ctx, level, fmt, args);
330 xkb_set_log_fn(struct xkb_context *ctx,
331 void (*log_fn)(struct xkb_context *ctx,
332 enum xkb_log_level level,
333 const char *fmt, va_list args))
335 ctx->log_fn = (log_fn ? log_fn : default_log_fn);
338 XKB_EXPORT enum xkb_log_level
339 xkb_get_log_level(struct xkb_context *ctx)
341 return ctx->log_level;
345 xkb_set_log_level(struct xkb_context *ctx, enum xkb_log_level level)
347 ctx->log_level = level;
351 xkb_get_log_verbosity(struct xkb_context *ctx)
353 return ctx->log_verbosity;
357 xkb_set_log_verbosity(struct xkb_context *ctx, int verbosity)
359 ctx->log_verbosity = verbosity;
363 xkb_get_user_data(struct xkb_context *ctx)
366 return ctx->user_data;
371 xkb_set_user_data(struct xkb_context *ctx, void *user_data)
373 ctx->user_data = user_data;