1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 parse.c for the Openbox window manager
4 Copyright (c) 2003-2007 Dana Jansens
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 See the COPYING file for a copy of the GNU General Public License.
24 #include <sys/types.h>
27 static gboolean xdg_start;
28 static gchar *xdg_config_home_path;
29 static gchar *xdg_data_home_path;
30 static GSList *xdg_config_dir_paths;
31 static GSList *xdg_data_dir_paths;
40 GHashTable *callbacks;
43 static void destfunc(struct Callback *c)
49 ObParseInst* parse_startup()
51 ObParseInst *i = g_new(ObParseInst, 1);
52 i->callbacks = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
53 (GDestroyNotify)destfunc);
57 void parse_shutdown(ObParseInst *i)
60 g_hash_table_destroy(i->callbacks);
65 void parse_register(ObParseInst *i, const gchar *tag,
66 ParseCallback func, gpointer data)
70 if ((c = g_hash_table_lookup(i->callbacks, tag))) {
71 g_error("Tag '%s' already registered", tag);
75 c = g_new(struct Callback, 1);
76 c->tag = g_strdup(tag);
79 g_hash_table_insert(i->callbacks, c->tag, c);
82 gboolean parse_load_rc(const gchar *type, xmlDocPtr *doc, xmlNodePtr *root)
89 fname = g_strdup("rc.xml");
91 fname = g_strdup_printf("rc-%s.xml", type);
93 for (it = xdg_config_dir_paths; !r && it; it = g_slist_next(it)) {
96 path = g_build_filename(it->data, "openbox", fname, NULL);
97 r = parse_load(path, "openbox_config", doc, root);
105 gboolean parse_load_theme(const gchar *name, xmlDocPtr *doc, xmlNodePtr *root,
112 /* backward compatibility.. */
113 path = g_build_filename(g_get_home_dir(), ".themes", name,
114 "openbox-3", "themerc.xml", NULL);
115 if ((r = parse_load(path, "openbox_theme", doc, root)))
116 *retpath = g_path_get_dirname(path);
120 for (it = xdg_data_dir_paths; !r && it; it = g_slist_next(it)) {
121 path = g_build_filename(it->data, "themes", name, "openbox-3",
122 "themerc.xml", NULL);
123 if ((r = parse_load(path, "openbox_theme", doc, root)))
124 *retpath = g_path_get_dirname(path);
131 gboolean parse_load_menu(const gchar *file, xmlDocPtr *doc, xmlNodePtr *root)
137 if (file[0] == '/') {
138 r = parse_load(file, "openbox_menu", doc, root);
140 for (it = xdg_config_dir_paths; !r && it; it = g_slist_next(it)) {
141 path = g_build_filename(it->data, "openbox", file, NULL);
142 r = parse_load(path, "openbox_menu", doc, root);
149 gboolean parse_load(const gchar *path, const gchar *rootname,
150 xmlDocPtr *doc, xmlNodePtr *root)
153 if (stat(path, &s) < 0)
156 /* XML_PARSE_BLANKS is needed apparently. When it loads a theme file,
157 without this option, the tree is weird and has extra nodes in it. */
158 if ((*doc = xmlReadFile(path, NULL,
159 XML_PARSE_NOBLANKS | XML_PARSE_RECOVER))) {
160 *root = xmlDocGetRootElement(*doc);
164 g_message("%s is an empty document", path);
166 if (xmlStrcmp((*root)->name, (const xmlChar*)rootname)) {
169 g_message("XML Document %s is of wrong type. Root "
170 "node is not '%s'", path, rootname);
179 gboolean parse_load_mem(gpointer data, guint len, const gchar *rootname,
180 xmlDocPtr *doc, xmlNodePtr *root)
182 if ((*doc = xmlParseMemory(data, len))) {
183 *root = xmlDocGetRootElement(*doc);
187 g_message("Given memory is an empty document");
189 if (xmlStrcmp((*root)->name, (const xmlChar*)rootname)) {
192 g_message("XML Document in given memory is of wrong "
193 "type. Root node is not '%s'\n", rootname);
202 void parse_close(xmlDocPtr doc)
207 void parse_tree(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node)
210 struct Callback *c = g_hash_table_lookup(i->callbacks, node->name);
213 c->func(i, doc, node, c->data);
219 gchar *parse_string(xmlDocPtr doc, xmlNodePtr node)
221 xmlChar *c = xmlNodeListGetString(doc, node->children, TRUE);
222 gchar *s = g_strdup(c ? (gchar*)c : "");
227 gint parse_int(xmlDocPtr doc, xmlNodePtr node)
229 xmlChar *c = xmlNodeListGetString(doc, node->children, TRUE);
230 gint i = atoi((gchar*)c);
235 gboolean parse_bool(xmlDocPtr doc, xmlNodePtr node)
237 xmlChar *c = xmlNodeListGetString(doc, node->children, TRUE);
239 if (!xmlStrcasecmp(c, (const xmlChar*) "true"))
241 else if (!xmlStrcasecmp(c, (const xmlChar*) "yes"))
243 else if (!xmlStrcasecmp(c, (const xmlChar*) "on"))
249 gboolean parse_contains(const gchar *val, xmlDocPtr doc, xmlNodePtr node)
251 xmlChar *c = xmlNodeListGetString(doc, node->children, TRUE);
253 r = !xmlStrcasecmp(c, (const xmlChar*) val);
258 xmlNodePtr parse_find_node(const gchar *tag, xmlNodePtr node)
261 if (!xmlStrcmp(node->name, (const xmlChar*) tag))
268 gboolean parse_attr_bool(const gchar *name, xmlNodePtr node, gboolean *value)
270 xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
273 if (!xmlStrcasecmp(c, (const xmlChar*) "true"))
274 *value = TRUE, r = TRUE;
275 else if (!xmlStrcasecmp(c, (const xmlChar*) "yes"))
276 *value = TRUE, r = TRUE;
277 else if (!xmlStrcasecmp(c, (const xmlChar*) "on"))
278 *value = TRUE, r = TRUE;
279 else if (!xmlStrcasecmp(c, (const xmlChar*) "false"))
280 *value = FALSE, r = TRUE;
281 else if (!xmlStrcasecmp(c, (const xmlChar*) "no"))
282 *value = FALSE, r = TRUE;
283 else if (!xmlStrcasecmp(c, (const xmlChar*) "off"))
284 *value = FALSE, r = TRUE;
290 gboolean parse_attr_int(const gchar *name, xmlNodePtr node, gint *value)
292 xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
295 *value = atoi((gchar*)c);
302 gboolean parse_attr_string(const gchar *name, xmlNodePtr node, gchar **value)
304 xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
307 *value = g_strdup((gchar*)c);
314 gboolean parse_attr_contains(const gchar *val, xmlNodePtr node,
317 xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
320 r = !xmlStrcasecmp(c, (const xmlChar*) val);
325 static gint slist_path_cmp(const gchar *a, const gchar *b)
330 typedef GSList* (*GSListFunc) (gpointer list, gconstpointer data);
332 static GSList* slist_path_add(GSList *list, gpointer data, GSListFunc func)
339 if (!g_slist_find_custom(list, data, (GCompareFunc) slist_path_cmp))
340 list = func(list, data);
347 static GSList* split_paths(const gchar *paths)
354 spl = g_strsplit(paths, ":", -1);
355 for (it = spl; *it; ++it)
356 list = slist_path_add(list, *it, (GSListFunc) g_slist_append);
361 void parse_paths_startup()
369 path = g_getenv("XDG_CONFIG_HOME");
370 if (path && path[0] != '\0') /* not unset or empty */
371 xdg_config_home_path = g_build_filename(path, NULL);
373 xdg_config_home_path = g_build_filename(g_get_home_dir(), ".config",
376 path = g_getenv("XDG_DATA_HOME");
377 if (path && path[0] != '\0') /* not unset or empty */
378 xdg_data_home_path = g_build_filename(path, NULL);
380 xdg_data_home_path = g_build_filename(g_get_home_dir(), ".local",
383 path = g_getenv("XDG_CONFIG_DIRS");
384 if (path && path[0] != '\0') /* not unset or empty */
385 xdg_config_dir_paths = split_paths(path);
387 xdg_config_dir_paths = slist_path_add(xdg_config_dir_paths,
389 (GSListFunc) g_slist_append);
390 xdg_config_dir_paths = slist_path_add(xdg_config_dir_paths,
394 (GSListFunc) g_slist_append);
396 xdg_config_dir_paths = slist_path_add(xdg_config_dir_paths,
397 g_strdup(xdg_config_home_path),
398 (GSListFunc) g_slist_prepend);
400 path = g_getenv("XDG_DATA_DIRS");
401 if (path && path[0] != '\0') /* not unset or empty */
402 xdg_data_dir_paths = split_paths(path);
404 xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
407 "usr", "local", "share", NULL),
408 (GSListFunc) g_slist_append);
409 xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
412 "usr", "share", NULL),
413 (GSListFunc) g_slist_append);
414 xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
416 (GSListFunc) g_slist_append);
418 xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
419 g_strdup(xdg_data_home_path),
420 (GSListFunc) g_slist_prepend);
423 void parse_paths_shutdown()
431 for (it = xdg_config_dir_paths; it; it = g_slist_next(it))
433 g_slist_free(xdg_config_dir_paths);
434 xdg_config_dir_paths = NULL;
435 for (it = xdg_data_dir_paths; it; it = g_slist_next(it))
437 g_slist_free(xdg_data_dir_paths);
438 xdg_data_dir_paths = NULL;
439 g_free(xdg_config_home_path);
440 xdg_config_home_path = NULL;
441 g_free(xdg_data_home_path);
442 xdg_data_home_path = NULL;
445 gchar *parse_expand_tilde(const gchar *f)
452 spl = g_strsplit(f, "~", 0);
453 ret = g_strjoinv(g_get_home_dir(), spl);
458 gboolean parse_mkdir(const gchar *path, gint mode)
462 g_return_val_if_fail(path != NULL, FALSE);
463 g_return_val_if_fail(path[0] != '\0', FALSE);
465 if (!g_file_test(path, G_FILE_TEST_IS_DIR))
466 if (mkdir(path, mode) == -1)
472 gboolean parse_mkdir_path(const gchar *path, gint mode)
476 g_return_val_if_fail(path != NULL, FALSE);
477 g_return_val_if_fail(path[0] == '/', FALSE);
479 if (!g_file_test(path, G_FILE_TEST_IS_DIR)) {
484 while ((e = strchr(e + 1, '/'))) {
486 if (!(ret = parse_mkdir(c, mode)))
487 goto parse_mkdir_path_end;
490 ret = parse_mkdir(c, mode);
492 parse_mkdir_path_end:
499 const gchar* parse_xdg_config_home_path()
501 return xdg_config_home_path;
504 const gchar* parse_xdg_data_home_path()
506 return xdg_data_home_path;
509 GSList* parse_xdg_config_dir_paths()
511 return xdg_config_dir_paths;
514 GSList* parse_xdg_data_dir_paths()
516 return xdg_data_dir_paths;