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>
37 darray(char *) includes;
39 /* xkbcomp needs to assign sequential IDs to XkbFile's it creates. */
42 struct atom_table *atom_table;
46 * Append one directory to the context's include path.
49 xkb_context_include_path_append(struct xkb_context *ctx, const char *path)
55 err = stat(path, &stat_buf);
58 if (!S_ISDIR(stat_buf.st_mode))
61 #if defined(HAVE_EACCESS)
62 if (eaccess(path, R_OK | X_OK) != 0)
64 #elif defined(HAVE_EUIDACCESS)
65 if (euidaccess(path, R_OK | X_OK) != 0)
73 darray_append(ctx->includes, tmp);
78 * Append the default include directories to the context.
81 xkb_context_include_path_append_default(struct xkb_context *ctx)
87 (void) xkb_context_include_path_append(ctx, DFLT_XKB_CONFIG_ROOT);
89 home = getenv("HOME");
92 err = asprintf(&user_path, "%s/.xkb", home);
95 (void) xkb_context_include_path_append(ctx, user_path);
102 * Remove all entries in the context's include path.
105 xkb_context_include_path_clear(struct xkb_context *ctx)
109 darray_foreach(path, ctx->includes)
112 darray_free(ctx->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 _X_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 _X_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 _X_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 * Create a new context.
181 _X_EXPORT struct xkb_context *
182 xkb_context_new(enum xkb_context_flags flags)
184 struct xkb_context *ctx = calloc(1, sizeof(*ctx));
191 if (!(flags & XKB_CONTEXT_NO_DEFAULT_INCLUDES) &&
192 !xkb_context_include_path_append_default(ctx)) {
193 xkb_context_unref(ctx);
197 ctx->atom_table = atom_table_new();
198 if (!ctx->atom_table) {
199 xkb_context_unref(ctx);
207 xkb_atom_intern(struct xkb_context *ctx, const char *string)
209 return atom_intern(ctx->atom_table, string);
213 xkb_atom_strdup(struct xkb_context *ctx, xkb_atom_t atom)
215 return atom_strdup(ctx->atom_table, atom);
219 xkb_atom_text(struct xkb_context *ctx, xkb_atom_t atom)
221 return atom_text(ctx->atom_table, atom);