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)
168 if (stat(path, &s) < 0)
171 /* XML_PARSE_BLANKS is needed apparently. When it loads a theme file,
172 without this option, the tree is weird and has extra nodes in it. */
173 if ((*doc = xmlReadFile(path, NULL,
174 XML_PARSE_NOBLANKS | XML_PARSE_RECOVER))) {
175 *root = xmlDocGetRootElement(*doc);
179 g_message("%s is an empty document", path);
181 if (xmlStrcmp((*root)->name, (const xmlChar*)rootname)) {
184 g_message("XML Document %s is of wrong type. Root "
185 "node is not '%s'", path, rootname);
194 gboolean parse_load_mem(gpointer data, guint len, const gchar *rootname,
195 xmlDocPtr *doc, xmlNodePtr *root)
197 if ((*doc = xmlParseMemory(data, len))) {
198 *root = xmlDocGetRootElement(*doc);
202 g_message("Given memory is an empty document");
204 if (xmlStrcmp((*root)->name, (const xmlChar*)rootname)) {
207 g_message("XML Document in given memory is of wrong "
208 "type. Root node is not '%s'\n", rootname);
217 void parse_close(xmlDocPtr doc)
222 void parse_tree(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node)
225 struct Callback *c = g_hash_table_lookup(i->callbacks, node->name);
228 c->func(i, doc, node, c->data);
234 gchar *parse_string(xmlDocPtr doc, xmlNodePtr node)
236 xmlChar *c = xmlNodeListGetString(doc, node->children, TRUE);
237 gchar *s = g_strdup(c ? (gchar*)c : "");
242 gint parse_int(xmlDocPtr doc, xmlNodePtr node)
244 xmlChar *c = xmlNodeListGetString(doc, node->children, TRUE);
245 gint i = atoi((gchar*)c);
250 gboolean parse_bool(xmlDocPtr doc, xmlNodePtr node)
252 xmlChar *c = xmlNodeListGetString(doc, node->children, TRUE);
254 if (!xmlStrcasecmp(c, (const xmlChar*) "true"))
256 else if (!xmlStrcasecmp(c, (const xmlChar*) "yes"))
258 else if (!xmlStrcasecmp(c, (const xmlChar*) "on"))
264 gboolean parse_contains(const gchar *val, xmlDocPtr doc, xmlNodePtr node)
266 xmlChar *c = xmlNodeListGetString(doc, node->children, TRUE);
268 r = !xmlStrcasecmp(c, (const xmlChar*) val);
273 xmlNodePtr parse_find_node(const gchar *tag, xmlNodePtr node)
276 if (!xmlStrcmp(node->name, (const xmlChar*) tag))
283 gboolean parse_attr_bool(const gchar *name, xmlNodePtr node, gboolean *value)
285 xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
288 if (!xmlStrcasecmp(c, (const xmlChar*) "true"))
289 *value = TRUE, r = TRUE;
290 else if (!xmlStrcasecmp(c, (const xmlChar*) "yes"))
291 *value = TRUE, r = TRUE;
292 else if (!xmlStrcasecmp(c, (const xmlChar*) "on"))
293 *value = TRUE, r = TRUE;
294 else if (!xmlStrcasecmp(c, (const xmlChar*) "false"))
295 *value = FALSE, r = TRUE;
296 else if (!xmlStrcasecmp(c, (const xmlChar*) "no"))
297 *value = FALSE, r = TRUE;
298 else if (!xmlStrcasecmp(c, (const xmlChar*) "off"))
299 *value = FALSE, r = TRUE;
305 gboolean parse_attr_int(const gchar *name, xmlNodePtr node, gint *value)
307 xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
310 *value = atoi((gchar*)c);
317 gboolean parse_attr_string(const gchar *name, xmlNodePtr node, gchar **value)
319 xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
322 *value = g_strdup((gchar*)c);
329 gboolean parse_attr_contains(const gchar *val, xmlNodePtr node,
332 xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
335 r = !xmlStrcasecmp(c, (const xmlChar*) val);
340 static gint slist_path_cmp(const gchar *a, const gchar *b)
345 typedef GSList* (*GSListFunc) (gpointer list, gconstpointer data);
347 static GSList* slist_path_add(GSList *list, gpointer data, GSListFunc func)
354 if (!g_slist_find_custom(list, data, (GCompareFunc) slist_path_cmp))
355 list = func(list, data);
362 static GSList* split_paths(const gchar *paths)
369 spl = g_strsplit(paths, ":", -1);
370 for (it = spl; *it; ++it)
371 list = slist_path_add(list, *it, (GSListFunc) g_slist_append);
376 void parse_paths_startup()
384 path = g_getenv("XDG_CONFIG_HOME");
385 if (path && path[0] != '\0') /* not unset or empty */
386 xdg_config_home_path = g_build_filename(path, NULL);
388 xdg_config_home_path = g_build_filename(g_get_home_dir(), ".config",
391 path = g_getenv("XDG_DATA_HOME");
392 if (path && path[0] != '\0') /* not unset or empty */
393 xdg_data_home_path = g_build_filename(path, NULL);
395 xdg_data_home_path = g_build_filename(g_get_home_dir(), ".local",
398 path = g_getenv("XDG_CONFIG_DIRS");
399 if (path && path[0] != '\0') /* not unset or empty */
400 xdg_config_dir_paths = split_paths(path);
402 xdg_config_dir_paths = slist_path_add(xdg_config_dir_paths,
404 (GSListFunc) g_slist_append);
405 xdg_config_dir_paths = slist_path_add(xdg_config_dir_paths,
409 (GSListFunc) g_slist_append);
411 xdg_config_dir_paths = slist_path_add(xdg_config_dir_paths,
412 g_strdup(xdg_config_home_path),
413 (GSListFunc) g_slist_prepend);
415 path = g_getenv("XDG_DATA_DIRS");
416 if (path && path[0] != '\0') /* not unset or empty */
417 xdg_data_dir_paths = split_paths(path);
419 xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
421 (GSListFunc) g_slist_append);
422 xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
425 "usr", "local", "share", NULL),
426 (GSListFunc) g_slist_append);
427 xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
430 "usr", "share", NULL),
431 (GSListFunc) g_slist_append);
433 xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
434 g_strdup(xdg_data_home_path),
435 (GSListFunc) g_slist_prepend);
438 void parse_paths_shutdown()
446 for (it = xdg_config_dir_paths; it; it = g_slist_next(it))
448 g_slist_free(xdg_config_dir_paths);
449 xdg_config_dir_paths = NULL;
450 for (it = xdg_data_dir_paths; it; it = g_slist_next(it))
452 g_slist_free(xdg_data_dir_paths);
453 xdg_data_dir_paths = NULL;
454 g_free(xdg_config_home_path);
455 xdg_config_home_path = NULL;
456 g_free(xdg_data_home_path);
457 xdg_data_home_path = NULL;
460 gchar *parse_expand_tilde(const gchar *f)
467 spl = g_strsplit(f, "~", 0);
468 ret = g_strjoinv(g_get_home_dir(), spl);
473 gboolean parse_mkdir(const gchar *path, gint mode)
477 g_return_val_if_fail(path != NULL, FALSE);
478 g_return_val_if_fail(path[0] != '\0', FALSE);
480 if (!g_file_test(path, G_FILE_TEST_IS_DIR))
481 if (mkdir(path, mode) == -1)
487 gboolean parse_mkdir_path(const gchar *path, gint mode)
491 g_return_val_if_fail(path != NULL, FALSE);
492 g_return_val_if_fail(path[0] == '/', FALSE);
494 if (!g_file_test(path, G_FILE_TEST_IS_DIR)) {
499 while ((e = strchr(e + 1, '/'))) {
501 if (!(ret = parse_mkdir(c, mode)))
502 goto parse_mkdir_path_end;
505 ret = parse_mkdir(c, mode);
507 parse_mkdir_path_end:
514 const gchar* parse_xdg_config_home_path()
516 return xdg_config_home_path;
519 const gchar* parse_xdg_data_home_path()
521 return xdg_data_home_path;
524 GSList* parse_xdg_config_dir_paths()
526 return xdg_config_dir_paths;
529 GSList* parse_xdg_data_dir_paths()
531 return xdg_data_dir_paths;