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>
33 #include "xkbcommon/xkbcommon.h"
40 ATTR_PRINTF(3, 0) void (*log_fn)(struct xkb_context *ctx,
41 enum xkb_log_level level,
42 const char *fmt, va_list args);
43 enum xkb_log_level log_level;
47 darray(char *) includes;
48 darray(char *) failed_includes;
50 /* xkbcomp needs to assign sequential IDs to XkbFile's it creates. */
53 struct atom_table *atom_table;
57 * Append one directory to the context's include path.
60 xkb_context_include_path_append(struct xkb_context *ctx, const char *path)
70 err = stat(path, &stat_buf);
73 if (!S_ISDIR(stat_buf.st_mode))
76 #if defined(HAVE_EACCESS)
77 if (eaccess(path, R_OK | X_OK) != 0)
79 #elif defined(HAVE_EUIDACCESS)
80 if (euidaccess(path, R_OK | X_OK) != 0)
84 darray_append(ctx->includes, tmp);
88 darray_append(ctx->failed_includes, tmp);
93 * Append the default include directories to the context.
96 xkb_context_include_path_append_default(struct xkb_context *ctx)
103 ret |= xkb_context_include_path_append(ctx, DFLT_XKB_CONFIG_ROOT);
105 home = getenv("HOME");
108 err = asprintf(&user_path, "%s/.xkb", home);
111 ret |= xkb_context_include_path_append(ctx, user_path);
118 * Remove all entries in the context's include path.
121 xkb_context_include_path_clear(struct xkb_context *ctx)
125 darray_foreach(path, ctx->includes)
127 darray_free(ctx->includes);
129 darray_foreach(path, ctx->failed_includes)
131 darray_free(ctx->failed_includes);
135 * xkb_context_include_path_clear() + xkb_context_include_path_append_default()
138 xkb_context_include_path_reset_defaults(struct xkb_context *ctx)
140 xkb_context_include_path_clear(ctx);
141 return xkb_context_include_path_append_default(ctx);
145 * Returns the number of entries in the context's include path.
147 XKB_EXPORT unsigned int
148 xkb_context_num_include_paths(struct xkb_context *ctx)
150 return darray_size(ctx->includes);
154 xkb_context_num_failed_include_paths(struct xkb_context *ctx)
156 return darray_size(ctx->failed_includes);
160 * Returns the given entry in the context's include path, or NULL if an
161 * invalid index is passed.
163 XKB_EXPORT const char *
164 xkb_context_include_path_get(struct xkb_context *ctx, unsigned int idx)
166 if (idx >= xkb_context_num_include_paths(ctx))
169 return darray_item(ctx->includes, idx);
173 xkb_context_failed_include_path_get(struct xkb_context *ctx,
176 if (idx >= xkb_context_num_failed_include_paths(ctx))
179 return darray_item(ctx->failed_includes, idx);
183 xkb_context_take_file_id(struct xkb_context *ctx)
185 return ctx->file_id++;
189 * Take a new reference on the context.
191 XKB_EXPORT struct xkb_context *
192 xkb_context_ref(struct xkb_context *ctx)
199 * Drop an existing reference on the context, and free it if the refcnt is
203 xkb_context_unref(struct xkb_context *ctx)
205 if (--ctx->refcnt > 0)
208 xkb_context_include_path_clear(ctx);
209 atom_table_free(ctx->atom_table);
214 log_level_to_prefix(enum xkb_log_level level)
217 case XKB_LOG_LEVEL_DEBUG:
219 case XKB_LOG_LEVEL_INFO:
221 case XKB_LOG_LEVEL_WARNING:
223 case XKB_LOG_LEVEL_ERROR:
225 case XKB_LOG_LEVEL_CRITICAL:
232 ATTR_PRINTF(3, 0) static void
233 default_log_fn(struct xkb_context *ctx, enum xkb_log_level level,
234 const char *fmt, va_list args)
236 const char *prefix = log_level_to_prefix(level);
239 fprintf(stderr, "%-10s", prefix);
240 vfprintf(stderr, fmt, args);
243 static enum xkb_log_level
244 log_level(const char *level) {
246 enum xkb_log_level lvl;
249 lvl = strtol(level, &endptr, 10);
250 if (errno == 0 && (endptr[0] == '\0' || isspace(endptr[0])))
252 if (istreq_prefix("crit", level))
253 return XKB_LOG_LEVEL_CRITICAL;
254 if (istreq_prefix("err", level))
255 return XKB_LOG_LEVEL_ERROR;
256 if (istreq_prefix("warn", level))
257 return XKB_LOG_LEVEL_WARNING;
258 if (istreq_prefix("info", level))
259 return XKB_LOG_LEVEL_INFO;
260 if (istreq_prefix("debug", level) || istreq_prefix("dbg", level))
261 return XKB_LOG_LEVEL_DEBUG;
263 return XKB_LOG_LEVEL_ERROR;
267 log_verbosity(const char *verbosity) {
272 v = strtol(verbosity, &endptr, 10);
280 * Create a new context.
282 XKB_EXPORT struct xkb_context *
283 xkb_context_new(enum xkb_context_flags flags)
286 struct xkb_context *ctx = calloc(1, sizeof(*ctx));
292 ctx->log_fn = default_log_fn;
293 ctx->log_level = XKB_LOG_LEVEL_ERROR;
294 ctx->log_verbosity = 0;
296 /* Environment overwrites defaults. */
297 env = getenv("XKB_LOG");
299 xkb_set_log_level(ctx, log_level(env));
301 env = getenv("XKB_VERBOSITY");
303 xkb_set_log_verbosity(ctx, log_verbosity(env));
305 if (!(flags & XKB_CONTEXT_NO_DEFAULT_INCLUDES) &&
306 !xkb_context_include_path_append_default(ctx)) {
307 log_err(ctx, "failed to add default include path %s\n",
308 DFLT_XKB_CONFIG_ROOT);
309 xkb_context_unref(ctx);
313 ctx->atom_table = atom_table_new();
314 if (!ctx->atom_table) {
315 xkb_context_unref(ctx);
323 xkb_atom_lookup(struct xkb_context *ctx, const char *string)
325 return atom_lookup(ctx->atom_table, string);
329 xkb_atom_intern(struct xkb_context *ctx, const char *string)
331 return atom_intern(ctx->atom_table, string, false);
335 xkb_atom_steal(struct xkb_context *ctx, char *string)
337 return atom_intern(ctx->atom_table, string, true);
341 xkb_atom_strdup(struct xkb_context *ctx, xkb_atom_t atom)
343 return atom_strdup(ctx->atom_table, atom);
347 xkb_atom_text(struct xkb_context *ctx, xkb_atom_t atom)
349 return atom_text(ctx->atom_table, atom);
353 xkb_log(struct xkb_context *ctx, enum xkb_log_level level,
354 const char *fmt, ...)
359 ctx->log_fn(ctx, level, fmt, args);
364 xkb_set_log_fn(struct xkb_context *ctx,
365 void (*log_fn)(struct xkb_context *ctx,
366 enum xkb_log_level level,
367 const char *fmt, va_list args))
369 ctx->log_fn = (log_fn ? log_fn : default_log_fn);
372 XKB_EXPORT enum xkb_log_level
373 xkb_get_log_level(struct xkb_context *ctx)
375 return ctx->log_level;
379 xkb_set_log_level(struct xkb_context *ctx, enum xkb_log_level level)
381 ctx->log_level = level;
385 xkb_get_log_verbosity(struct xkb_context *ctx)
387 return ctx->log_verbosity;
391 xkb_set_log_verbosity(struct xkb_context *ctx, int verbosity)
393 ctx->log_verbosity = verbosity;
397 xkb_get_user_data(struct xkb_context *ctx)
400 return ctx->user_data;
405 xkb_set_user_data(struct xkb_context *ctx, void *user_data)
407 ctx->user_data = user_data;