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))
75 if (eaccess(path, R_OK | X_OK) != 0)
78 ctx->include_paths[ctx->num_include_paths] = strdup(path);
79 if (!ctx->include_paths[ctx->num_include_paths])
81 ctx->num_include_paths++;
87 * Append the default include directories to the context.
90 xkb_context_include_path_append_default(struct xkb_context *ctx)
92 const char *home = getenv("HOME");
96 (void) xkb_context_include_path_append(ctx, DFLT_XKB_CONFIG_ROOT);
98 home = getenv("HOME");
101 err = asprintf(&user_path, "%s/.xkb", home);
104 (void) xkb_context_include_path_append(ctx, user_path);
111 * Remove all entries in the context's include path.
114 xkb_context_include_path_clear(struct xkb_context *ctx)
118 for (i = 0; i < ctx->num_include_paths; i++) {
119 free(ctx->include_paths[i]);
120 ctx->include_paths[i] = NULL;
122 free(ctx->include_paths);
123 ctx->include_paths = NULL;
124 ctx->num_include_paths = 0;
128 * xkb_context_include_path_clear() + xkb_context_include_path_append_default()
131 xkb_context_include_path_reset_defaults(struct xkb_context *ctx)
133 xkb_context_include_path_clear(ctx);
134 return xkb_context_include_path_append_default(ctx);
138 * Returns the number of entries in the context's include path.
140 _X_EXPORT unsigned int
141 xkb_context_num_include_paths(struct xkb_context *ctx)
143 return ctx->num_include_paths;
147 * Returns the given entry in the context's include path, or NULL if an
148 * invalid index is passed.
150 _X_EXPORT const char *
151 xkb_context_include_path_get(struct xkb_context *ctx, unsigned int idx)
153 if (idx >= xkb_context_num_include_paths(ctx))
156 return ctx->include_paths[idx];
160 xkb_context_take_file_id(struct xkb_context *ctx)
162 return ctx->file_id++;
166 * Take a new reference on the context.
168 _X_EXPORT struct xkb_context *
169 xkb_context_ref(struct xkb_context *ctx)
176 * Drop an existing reference on the context, and free it if the refcnt is
180 xkb_context_unref(struct xkb_context *ctx)
182 if (--ctx->refcnt > 0)
185 xkb_context_include_path_clear(ctx);
186 atom_table_free(ctx->atom_table);
191 * Create a new context.
193 _X_EXPORT struct xkb_context *
194 xkb_context_new(enum xkb_context_flags flags)
196 struct xkb_context *ctx = calloc(1, sizeof(*ctx));
203 if (!(flags & XKB_CONTEXT_NO_DEFAULT_INCLUDES) &&
204 !xkb_context_include_path_append_default(ctx)) {
205 xkb_context_unref(ctx);
209 ctx->atom_table = atom_table_new();
210 if (!ctx->atom_table) {
211 xkb_context_unref(ctx);
219 xkb_atom_intern(struct xkb_context *ctx, const char *string)
221 return atom_intern(ctx->atom_table, string);
225 xkb_atom_strdup(struct xkb_context *ctx, xkb_atom_t atom)
227 return atom_strdup(ctx->atom_table, atom);
231 xkb_atom_text(struct xkb_context *ctx, xkb_atom_t atom)
233 return atom_text(ctx->atom_table, atom);