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>
38 * Append one directory to the context's include path.
41 xkb_context_include_path_append(struct xkb_context *ctx, const char *path)
51 err = stat(path, &stat_buf);
54 if (!S_ISDIR(stat_buf.st_mode))
57 #if defined(HAVE_EACCESS)
58 if (eaccess(path, R_OK | X_OK) != 0)
60 #elif defined(HAVE_EUIDACCESS)
61 if (euidaccess(path, R_OK | X_OK) != 0)
65 darray_append(ctx->includes, tmp);
69 darray_append(ctx->failed_includes, tmp);
74 * Append the default include directories to the context.
77 xkb_context_include_path_append_default(struct xkb_context *ctx)
84 ret |= xkb_context_include_path_append(ctx, DFLT_XKB_CONFIG_ROOT);
86 home = getenv("HOME");
89 err = asprintf(&user_path, "%s/.xkb", home);
92 ret |= xkb_context_include_path_append(ctx, user_path);
99 * Remove all entries in the context's include path.
102 xkb_context_include_path_clear(struct xkb_context *ctx)
106 darray_foreach(path, ctx->includes)
108 darray_free(ctx->includes);
110 darray_foreach(path, ctx->failed_includes)
112 darray_free(ctx->failed_includes);
116 * xkb_context_include_path_clear() + xkb_context_include_path_append_default()
119 xkb_context_include_path_reset_defaults(struct xkb_context *ctx)
121 xkb_context_include_path_clear(ctx);
122 return xkb_context_include_path_append_default(ctx);
126 * Returns the number of entries in the context's include path.
128 XKB_EXPORT unsigned int
129 xkb_context_num_include_paths(struct xkb_context *ctx)
131 return darray_size(ctx->includes);
135 * Returns the given entry in the context's include path, or NULL if an
136 * invalid index is passed.
138 XKB_EXPORT const char *
139 xkb_context_include_path_get(struct xkb_context *ctx, unsigned int idx)
141 if (idx >= xkb_context_num_include_paths(ctx))
144 return darray_item(ctx->includes, idx);
148 xkb_context_take_file_id(struct xkb_context *ctx)
150 return ctx->file_id++;
154 * Take a new reference on the context.
156 XKB_EXPORT struct xkb_context *
157 xkb_context_ref(struct xkb_context *ctx)
164 * Drop an existing reference on the context, and free it if the refcnt is
168 xkb_context_unref(struct xkb_context *ctx)
170 if (--ctx->refcnt > 0)
173 xkb_context_include_path_clear(ctx);
174 atom_table_free(ctx->atom_table);
179 log_level_to_prefix(enum xkb_log_level level)
182 case XKB_LOG_LEVEL_DEBUG:
184 case XKB_LOG_LEVEL_INFO:
186 case XKB_LOG_LEVEL_WARNING:
188 case XKB_LOG_LEVEL_ERROR:
190 case XKB_LOG_LEVEL_CRITICAL:
197 ATTR_PRINTF(3, 0) static void
198 default_log_fn(struct xkb_context *ctx, enum xkb_log_level level,
199 const char *fmt, va_list args)
201 const char *prefix = log_level_to_prefix(level);
204 fprintf(stderr, "%-10s", prefix);
205 vfprintf(stderr, fmt, args);
208 static enum xkb_log_level
209 log_level(const char *level) {
211 enum xkb_log_level lvl;
214 lvl = strtol(level, &endptr, 10);
215 if (errno == 0 && (endptr[0] == '\0' || isspace(endptr[0])))
217 if (istreq_prefix("crit", level))
218 return XKB_LOG_LEVEL_CRITICAL;
219 if (istreq_prefix("err", level))
220 return XKB_LOG_LEVEL_ERROR;
221 if (istreq_prefix("warn", level))
222 return XKB_LOG_LEVEL_WARNING;
223 if (istreq_prefix("info", level))
224 return XKB_LOG_LEVEL_INFO;
225 if (istreq_prefix("debug", level) || istreq_prefix("dbg", level))
226 return XKB_LOG_LEVEL_DEBUG;
228 return XKB_LOG_LEVEL_ERROR;
232 log_verbosity(const char *verbosity) {
237 v = strtol(verbosity, &endptr, 10);
245 * Create a new context.
247 XKB_EXPORT struct xkb_context *
248 xkb_context_new(enum xkb_context_flags flags)
251 struct xkb_context *ctx = calloc(1, sizeof(*ctx));
257 ctx->log_fn = default_log_fn;
258 ctx->log_level = XKB_LOG_LEVEL_ERROR;
259 ctx->log_verbosity = 0;
261 /* Environment overwrites defaults. */
262 env = getenv("XKB_LOG");
264 xkb_set_log_level(ctx, log_level(env));
266 env = getenv("XKB_VERBOSITY");
268 xkb_set_log_verbosity(ctx, log_verbosity(env));
270 if (!(flags & XKB_CONTEXT_NO_DEFAULT_INCLUDES) &&
271 !xkb_context_include_path_append_default(ctx)) {
272 log_err(ctx, "failed to add default include path %s\n",
273 DFLT_XKB_CONFIG_ROOT);
274 xkb_context_unref(ctx);
278 ctx->atom_table = atom_table_new();
279 if (!ctx->atom_table) {
280 xkb_context_unref(ctx);
288 xkb_atom_lookup(struct xkb_context *ctx, const char *string)
290 return atom_lookup(ctx->atom_table, string);
294 xkb_atom_intern(struct xkb_context *ctx, const char *string)
296 return atom_intern(ctx->atom_table, string, false);
300 xkb_atom_steal(struct xkb_context *ctx, char *string)
302 return atom_intern(ctx->atom_table, string, true);
306 xkb_atom_strdup(struct xkb_context *ctx, xkb_atom_t atom)
308 return atom_strdup(ctx->atom_table, atom);
312 xkb_atom_text(struct xkb_context *ctx, xkb_atom_t atom)
314 return atom_text(ctx->atom_table, atom);
318 xkb_log(struct xkb_context *ctx, enum xkb_log_level level,
319 const char *fmt, ...)
324 ctx->log_fn(ctx, level, fmt, args);
329 xkb_set_log_fn(struct xkb_context *ctx,
330 void (*log_fn)(struct xkb_context *ctx,
331 enum xkb_log_level level,
332 const char *fmt, va_list args))
334 ctx->log_fn = (log_fn ? log_fn : default_log_fn);
337 XKB_EXPORT enum xkb_log_level
338 xkb_get_log_level(struct xkb_context *ctx)
340 return ctx->log_level;
344 xkb_set_log_level(struct xkb_context *ctx, enum xkb_log_level level)
346 ctx->log_level = level;
350 xkb_get_log_verbosity(struct xkb_context *ctx)
352 return ctx->log_verbosity;
356 xkb_set_log_verbosity(struct xkb_context *ctx, int verbosity)
358 ctx->log_verbosity = verbosity;
362 xkb_get_user_data(struct xkb_context *ctx)
365 return ctx->user_data;
370 xkb_set_user_data(struct xkb_context *ctx, void *user_data)
372 ctx->user_data = user_data;