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;
55 /* Buffer for the *Text() functions. */
56 char text_buffer[1024];
61 * Append one directory to the context's include path.
64 xkb_context_include_path_append(struct xkb_context *ctx, const char *path)
74 err = stat(path, &stat_buf);
77 if (!S_ISDIR(stat_buf.st_mode))
80 #if defined(HAVE_EACCESS)
81 if (eaccess(path, R_OK | X_OK) != 0)
83 #elif defined(HAVE_EUIDACCESS)
84 if (euidaccess(path, R_OK | X_OK) != 0)
88 darray_append(ctx->includes, tmp);
92 darray_append(ctx->failed_includes, tmp);
97 * Append the default include directories to the context.
100 xkb_context_include_path_append_default(struct xkb_context *ctx)
107 ret |= xkb_context_include_path_append(ctx, DFLT_XKB_CONFIG_ROOT);
109 home = getenv("HOME");
112 err = asprintf(&user_path, "%s/.xkb", home);
115 ret |= xkb_context_include_path_append(ctx, user_path);
122 * Remove all entries in the context's include path.
125 xkb_context_include_path_clear(struct xkb_context *ctx)
129 darray_foreach(path, ctx->includes)
131 darray_free(ctx->includes);
133 darray_foreach(path, ctx->failed_includes)
135 darray_free(ctx->failed_includes);
139 * xkb_context_include_path_clear() + xkb_context_include_path_append_default()
142 xkb_context_include_path_reset_defaults(struct xkb_context *ctx)
144 xkb_context_include_path_clear(ctx);
145 return xkb_context_include_path_append_default(ctx);
149 * Returns the number of entries in the context's include path.
151 XKB_EXPORT unsigned int
152 xkb_context_num_include_paths(struct xkb_context *ctx)
154 return darray_size(ctx->includes);
158 xkb_context_num_failed_include_paths(struct xkb_context *ctx)
160 return darray_size(ctx->failed_includes);
164 * Returns the given entry in the context's include path, or NULL if an
165 * invalid index is passed.
167 XKB_EXPORT const char *
168 xkb_context_include_path_get(struct xkb_context *ctx, unsigned int idx)
170 if (idx >= xkb_context_num_include_paths(ctx))
173 return darray_item(ctx->includes, idx);
177 xkb_context_failed_include_path_get(struct xkb_context *ctx,
180 if (idx >= xkb_context_num_failed_include_paths(ctx))
183 return darray_item(ctx->failed_includes, idx);
187 xkb_context_take_file_id(struct xkb_context *ctx)
189 return ctx->file_id++;
193 * Take a new reference on the context.
195 XKB_EXPORT struct xkb_context *
196 xkb_context_ref(struct xkb_context *ctx)
203 * Drop an existing reference on the context, and free it if the refcnt is
207 xkb_context_unref(struct xkb_context *ctx)
209 if (!ctx || --ctx->refcnt > 0)
212 xkb_context_include_path_clear(ctx);
213 atom_table_free(ctx->atom_table);
218 log_level_to_prefix(enum xkb_log_level level)
221 case XKB_LOG_LEVEL_DEBUG:
223 case XKB_LOG_LEVEL_INFO:
225 case XKB_LOG_LEVEL_WARNING:
227 case XKB_LOG_LEVEL_ERROR:
229 case XKB_LOG_LEVEL_CRITICAL:
236 ATTR_PRINTF(3, 0) static void
237 default_log_fn(struct xkb_context *ctx, enum xkb_log_level level,
238 const char *fmt, va_list args)
240 const char *prefix = log_level_to_prefix(level);
243 fprintf(stderr, "%-10s", prefix);
244 vfprintf(stderr, fmt, args);
247 static enum xkb_log_level
248 log_level(const char *level) {
250 enum xkb_log_level lvl;
253 lvl = strtol(level, &endptr, 10);
254 if (errno == 0 && (endptr[0] == '\0' || isspace(endptr[0])))
256 if (istreq_prefix("crit", level))
257 return XKB_LOG_LEVEL_CRITICAL;
258 if (istreq_prefix("err", level))
259 return XKB_LOG_LEVEL_ERROR;
260 if (istreq_prefix("warn", level))
261 return XKB_LOG_LEVEL_WARNING;
262 if (istreq_prefix("info", level))
263 return XKB_LOG_LEVEL_INFO;
264 if (istreq_prefix("debug", level) || istreq_prefix("dbg", level))
265 return XKB_LOG_LEVEL_DEBUG;
267 return XKB_LOG_LEVEL_ERROR;
271 log_verbosity(const char *verbosity) {
276 v = strtol(verbosity, &endptr, 10);
284 * Create a new context.
286 XKB_EXPORT struct xkb_context *
287 xkb_context_new(enum xkb_context_flags flags)
290 struct xkb_context *ctx = calloc(1, sizeof(*ctx));
296 ctx->log_fn = default_log_fn;
297 ctx->log_level = XKB_LOG_LEVEL_ERROR;
298 ctx->log_verbosity = 0;
300 /* Environment overwrites defaults. */
301 env = getenv("XKB_LOG_LEVEL");
303 xkb_context_set_log_level(ctx, log_level(env));
305 env = getenv("XKB_LOG_VERBOSITY");
307 xkb_context_set_log_verbosity(ctx, log_verbosity(env));
309 if (!(flags & XKB_CONTEXT_NO_DEFAULT_INCLUDES) &&
310 !xkb_context_include_path_append_default(ctx)) {
311 log_err(ctx, "failed to add default include path %s\n",
312 DFLT_XKB_CONFIG_ROOT);
313 xkb_context_unref(ctx);
317 ctx->atom_table = atom_table_new();
318 if (!ctx->atom_table) {
319 xkb_context_unref(ctx);
327 xkb_atom_lookup(struct xkb_context *ctx, const char *string)
329 return atom_lookup(ctx->atom_table, string);
333 xkb_atom_intern(struct xkb_context *ctx, const char *string)
335 return atom_intern(ctx->atom_table, string, false);
339 xkb_atom_steal(struct xkb_context *ctx, char *string)
341 return atom_intern(ctx->atom_table, string, true);
345 xkb_atom_strdup(struct xkb_context *ctx, xkb_atom_t atom)
347 return atom_strdup(ctx->atom_table, atom);
351 xkb_atom_text(struct xkb_context *ctx, xkb_atom_t atom)
353 return atom_text(ctx->atom_table, atom);
357 xkb_log(struct xkb_context *ctx, enum xkb_log_level level,
358 const char *fmt, ...)
363 ctx->log_fn(ctx, level, fmt, args);
368 xkb_context_set_log_fn(struct xkb_context *ctx,
369 void (*log_fn)(struct xkb_context *ctx,
370 enum xkb_log_level level,
371 const char *fmt, va_list args))
373 ctx->log_fn = (log_fn ? log_fn : default_log_fn);
376 XKB_EXPORT enum xkb_log_level
377 xkb_context_get_log_level(struct xkb_context *ctx)
379 return ctx->log_level;
383 xkb_context_set_log_level(struct xkb_context *ctx, enum xkb_log_level level)
385 ctx->log_level = level;
389 xkb_context_get_log_verbosity(struct xkb_context *ctx)
391 return ctx->log_verbosity;
395 xkb_context_set_log_verbosity(struct xkb_context *ctx, int verbosity)
397 ctx->log_verbosity = verbosity;
401 xkb_context_get_user_data(struct xkb_context *ctx)
404 return ctx->user_data;
409 xkb_context_set_user_data(struct xkb_context *ctx, void *user_data)
411 ctx->user_data = user_data;
415 xkb_context_get_buffer(struct xkb_context *ctx, size_t size)
419 if (size >= sizeof(ctx->text_buffer))
422 if (sizeof(ctx->text_buffer) - ctx->text_next <= size)
425 rtrn = &ctx->text_buffer[ctx->text_next];
426 ctx->text_next += size;