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 int num_include_paths;
39 int size_include_paths;
41 /* xkbcomp needs to assign sequential IDs to XkbFile's it creates. */
44 struct atom_table *atom_table;
48 * Append one directory to the context's include path.
51 xkb_context_include_path_append(struct xkb_context *ctx, const char *path)
56 if (ctx->size_include_paths <= ctx->num_include_paths) {
59 new_size = ctx->size_include_paths + 2;
60 new_paths = uTypedRecalloc(ctx->include_paths,
61 ctx->size_include_paths,
66 ctx->include_paths = new_paths;
67 ctx->size_include_paths = new_size;
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 ctx->include_paths[ctx->num_include_paths] = strdup(path);
85 if (!ctx->include_paths[ctx->num_include_paths])
87 ctx->num_include_paths++;
93 * Append the default include directories to the context.
96 xkb_context_include_path_append_default(struct xkb_context *ctx)
102 (void) xkb_context_include_path_append(ctx, DFLT_XKB_CONFIG_ROOT);
104 home = getenv("HOME");
107 err = asprintf(&user_path, "%s/.xkb", home);
110 (void) xkb_context_include_path_append(ctx, user_path);
117 * Remove all entries in the context's include path.
120 xkb_context_include_path_clear(struct xkb_context *ctx)
124 for (i = 0; i < ctx->num_include_paths; i++) {
125 free(ctx->include_paths[i]);
126 ctx->include_paths[i] = NULL;
128 free(ctx->include_paths);
129 ctx->include_paths = NULL;
130 ctx->num_include_paths = 0;
134 * xkb_context_include_path_clear() + xkb_context_include_path_append_default()
137 xkb_context_include_path_reset_defaults(struct xkb_context *ctx)
139 xkb_context_include_path_clear(ctx);
140 return xkb_context_include_path_append_default(ctx);
144 * Returns the number of entries in the context's include path.
146 _X_EXPORT unsigned int
147 xkb_context_num_include_paths(struct xkb_context *ctx)
149 return ctx->num_include_paths;
153 * Returns the given entry in the context's include path, or NULL if an
154 * invalid index is passed.
156 _X_EXPORT const char *
157 xkb_context_include_path_get(struct xkb_context *ctx, unsigned int idx)
159 if (idx >= xkb_context_num_include_paths(ctx))
162 return ctx->include_paths[idx];
166 xkb_context_take_file_id(struct xkb_context *ctx)
168 return ctx->file_id++;
172 * Take a new reference on the context.
174 _X_EXPORT struct xkb_context *
175 xkb_context_ref(struct xkb_context *ctx)
182 * Drop an existing reference on the context, and free it if the refcnt is
186 xkb_context_unref(struct xkb_context *ctx)
188 if (--ctx->refcnt > 0)
191 xkb_context_include_path_clear(ctx);
192 atom_table_free(ctx->atom_table);
197 * Create a new context.
199 _X_EXPORT struct xkb_context *
200 xkb_context_new(enum xkb_context_flags flags)
202 struct xkb_context *ctx = calloc(1, sizeof(*ctx));
209 if (!(flags & XKB_CONTEXT_NO_DEFAULT_INCLUDES) &&
210 !xkb_context_include_path_append_default(ctx)) {
211 xkb_context_unref(ctx);
215 ctx->atom_table = atom_table_new();
216 if (!ctx->atom_table) {
217 xkb_context_unref(ctx);
225 xkb_atom_intern(struct xkb_context *ctx, const char *string)
227 return atom_intern(ctx->atom_table, string);
231 xkb_atom_strdup(struct xkb_context *ctx, xkb_atom_t atom)
233 return atom_strdup(ctx->atom_table, atom);
237 xkb_atom_text(struct xkb_context *ctx, xkb_atom_t atom)
239 return atom_text(ctx->atom_table, atom);