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,
113 /* backward compatibility.. */
114 path = g_build_filename(g_get_home_dir(), ".themes", name,
115 "openbox-3", "themerc.xml", NULL);
116 if (parse_load(path, "openbox_theme", doc, root) &&
117 parse_attr_string("engine", *root, &eng))
119 if (!strcmp(eng, "box")) {
120 *retpath = g_path_get_dirname(path);
128 for (it = xdg_data_dir_paths; !r && it; it = g_slist_next(it)) {
129 path = g_build_filename(it->data, "themes", name, "openbox-3",
130 "themerc.xml", NULL);
131 if (parse_load(path, "openbox_theme", doc, root) &&
132 parse_attr_string("engine", *root, &eng))
134 if (!strcmp(eng, "box")) {
135 *retpath = g_path_get_dirname(path);
146 gboolean parse_load_menu(const gchar *file, xmlDocPtr *doc, xmlNodePtr *root)
152 if (file[0] == '/') {
153 r = parse_load(file, "openbox_menu", doc, root);
155 for (it = xdg_config_dir_paths; !r && it; it = g_slist_next(it)) {
156 path = g_build_filename(it->data, "openbox", file, NULL);
157 r = parse_load(path, "openbox_menu", doc, root);
164 gboolean parse_load(const gchar *path, const gchar *rootname,
165 xmlDocPtr *doc, xmlNodePtr *root)
169 if (stat(path, &s) < 0)
172 /* XML_PARSE_BLANKS is needed apparently. When it loads a theme file,
173 without this option, the tree is weird and has extra nodes in it. */
174 if ((*doc = xmlReadFile(path, NULL,
175 XML_PARSE_NOBLANKS | XML_PARSE_RECOVER))) {
176 *root = xmlDocGetRootElement(*doc);
180 g_message("%s is an empty document", path);
182 if (xmlStrcmp((*root)->name, (const xmlChar*)rootname)) {
185 g_message("XML Document %s is of wrong type. Root "
186 "node is not '%s'", path, rootname);
195 gboolean parse_load_mem(gpointer data, guint len, const gchar *rootname,
196 xmlDocPtr *doc, xmlNodePtr *root)
198 if ((*doc = xmlParseMemory(data, len))) {
199 *root = xmlDocGetRootElement(*doc);
203 g_message("Given memory is an empty document");
205 if (xmlStrcmp((*root)->name, (const xmlChar*)rootname)) {
208 g_message("XML Document in given memory is of wrong "
209 "type. Root node is not '%s'\n", rootname);
218 void parse_close(xmlDocPtr doc)
223 void parse_tree(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node)
226 struct Callback *c = g_hash_table_lookup(i->callbacks, node->name);
229 c->func(i, doc, node, c->data);
235 gchar *parse_string(xmlDocPtr doc, xmlNodePtr node)
237 xmlChar *c = xmlNodeListGetString(doc, node->children, TRUE);
238 gchar *s = g_strdup(c ? (gchar*)c : "");
243 gint parse_int(xmlDocPtr doc, xmlNodePtr node)
245 xmlChar *c = xmlNodeListGetString(doc, node->children, TRUE);
246 gint i = c ? atoi((gchar*)c) : 0;
251 gboolean parse_bool(xmlDocPtr doc, xmlNodePtr node)
253 xmlChar *c = xmlNodeListGetString(doc, node->children, TRUE);
255 if (c && !xmlStrcasecmp(c, (const xmlChar*) "true"))
257 else if (c && !xmlStrcasecmp(c, (const xmlChar*) "yes"))
259 else if (c && !xmlStrcasecmp(c, (const xmlChar*) "on"))
265 gboolean parse_contains(const gchar *val, xmlDocPtr doc, xmlNodePtr node)
267 xmlChar *c = xmlNodeListGetString(doc, node->children, TRUE);
269 r = !xmlStrcasecmp(c, (const xmlChar*) val);
274 xmlNodePtr parse_find_node(const gchar *tag, xmlNodePtr node)
277 if (!xmlStrcmp(node->name, (const xmlChar*) tag))
284 gboolean parse_attr_bool(const gchar *name, xmlNodePtr node, gboolean *value)
286 xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
289 if (!xmlStrcasecmp(c, (const xmlChar*) "true"))
290 *value = TRUE, r = TRUE;
291 else if (!xmlStrcasecmp(c, (const xmlChar*) "yes"))
292 *value = TRUE, r = TRUE;
293 else if (!xmlStrcasecmp(c, (const xmlChar*) "on"))
294 *value = TRUE, r = TRUE;
295 else if (!xmlStrcasecmp(c, (const xmlChar*) "false"))
296 *value = FALSE, r = TRUE;
297 else if (!xmlStrcasecmp(c, (const xmlChar*) "no"))
298 *value = FALSE, r = TRUE;
299 else if (!xmlStrcasecmp(c, (const xmlChar*) "off"))
300 *value = FALSE, r = TRUE;
306 gboolean parse_attr_int(const gchar *name, xmlNodePtr node, gint *value)
308 xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
311 *value = atoi((gchar*)c);
318 gboolean parse_attr_string(const gchar *name, xmlNodePtr node, gchar **value)
320 xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
323 *value = g_strdup((gchar*)c);
330 gboolean parse_attr_contains(const gchar *val, xmlNodePtr node,
333 xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
336 r = !xmlStrcasecmp(c, (const xmlChar*) val);
341 static gint slist_path_cmp(const gchar *a, const gchar *b)
346 typedef GSList* (*GSListFunc) (gpointer list, gconstpointer data);
348 static GSList* slist_path_add(GSList *list, gpointer data, GSListFunc func)
355 if (!g_slist_find_custom(list, data, (GCompareFunc) slist_path_cmp))
356 list = func(list, data);
363 static GSList* split_paths(const gchar *paths)
370 spl = g_strsplit(paths, ":", -1);
371 for (it = spl; *it; ++it)
372 list = slist_path_add(list, *it, (GSListFunc) g_slist_append);
377 void parse_paths_startup()
385 path = g_getenv("XDG_CONFIG_HOME");
386 if (path && path[0] != '\0') /* not unset or empty */
387 xdg_config_home_path = g_build_filename(path, NULL);
389 xdg_config_home_path = g_build_filename(g_get_home_dir(), ".config",
392 path = g_getenv("XDG_DATA_HOME");
393 if (path && path[0] != '\0') /* not unset or empty */
394 xdg_data_home_path = g_build_filename(path, NULL);
396 xdg_data_home_path = g_build_filename(g_get_home_dir(), ".local",
399 path = g_getenv("XDG_CONFIG_DIRS");
400 if (path && path[0] != '\0') /* not unset or empty */
401 xdg_config_dir_paths = split_paths(path);
403 xdg_config_dir_paths = slist_path_add(xdg_config_dir_paths,
405 (GSListFunc) g_slist_append);
406 xdg_config_dir_paths = slist_path_add(xdg_config_dir_paths,
410 (GSListFunc) g_slist_append);
412 xdg_config_dir_paths = slist_path_add(xdg_config_dir_paths,
413 g_strdup(xdg_config_home_path),
414 (GSListFunc) g_slist_prepend);
416 path = g_getenv("XDG_DATA_DIRS");
417 if (path && path[0] != '\0') /* not unset or empty */
418 xdg_data_dir_paths = split_paths(path);
420 xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
422 (GSListFunc) g_slist_append);
423 xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
426 "usr", "local", "share", NULL),
427 (GSListFunc) g_slist_append);
428 xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
431 "usr", "share", NULL),
432 (GSListFunc) g_slist_append);
434 xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
435 g_strdup(xdg_data_home_path),
436 (GSListFunc) g_slist_prepend);
439 void parse_paths_shutdown()
447 for (it = xdg_config_dir_paths; it; it = g_slist_next(it))
449 g_slist_free(xdg_config_dir_paths);
450 xdg_config_dir_paths = NULL;
451 for (it = xdg_data_dir_paths; it; it = g_slist_next(it))
453 g_slist_free(xdg_data_dir_paths);
454 xdg_data_dir_paths = NULL;
455 g_free(xdg_config_home_path);
456 xdg_config_home_path = NULL;
457 g_free(xdg_data_home_path);
458 xdg_data_home_path = NULL;
461 gchar *parse_expand_tilde(const gchar *f)
468 spl = g_strsplit(f, "~", 0);
469 ret = g_strjoinv(g_get_home_dir(), spl);
474 gboolean parse_mkdir(const gchar *path, gint mode)
478 g_return_val_if_fail(path != NULL, FALSE);
479 g_return_val_if_fail(path[0] != '\0', FALSE);
481 if (!g_file_test(path, G_FILE_TEST_IS_DIR))
482 if (mkdir(path, mode) == -1)
488 gboolean parse_mkdir_path(const gchar *path, gint mode)
492 g_return_val_if_fail(path != NULL, FALSE);
493 g_return_val_if_fail(path[0] == '/', FALSE);
495 if (!g_file_test(path, G_FILE_TEST_IS_DIR)) {
500 while ((e = strchr(e + 1, '/'))) {
502 if (!(ret = parse_mkdir(c, mode)))
503 goto parse_mkdir_path_end;
506 ret = parse_mkdir(c, mode);
508 parse_mkdir_path_end:
515 const gchar* parse_xdg_config_home_path()
517 return xdg_config_home_path;
520 const gchar* parse_xdg_data_home_path()
522 return xdg_data_home_path;
525 GSList* parse_xdg_config_dir_paths()
527 return xdg_config_dir_paths;
530 GSList* parse_xdg_data_dir_paths()
532 return xdg_data_dir_paths;