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/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
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parse.c for the Openbox window manager
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Copyright (c) 2003-2007 Dana Jansens
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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See the COPYING file for a copy of the GNU General Public License.
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#include <sys/types.h>
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static gboolean xdg_start;
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static gchar *xdg_config_home_path;
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static gchar *xdg_data_home_path;
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static GSList *xdg_config_dir_paths;
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static GSList *xdg_data_dir_paths;
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GHashTable *callbacks;
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static void destfunc(struct Callback *c)
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ObParseInst* parse_startup(void)
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ObParseInst *i = g_new(ObParseInst, 1);
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i->callbacks = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
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(GDestroyNotify)destfunc);
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void parse_shutdown(ObParseInst *i)
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g_hash_table_destroy(i->callbacks);
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void parse_register(ObParseInst *i, const gchar *tag,
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ParseCallback func, gpointer data)
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if ((c = g_hash_table_lookup(i->callbacks, tag))) {
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g_error("Tag '%s' already registered", tag);
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c = g_new(struct Callback, 1);
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c->tag = g_strdup(tag);
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g_hash_table_insert(i->callbacks, c->tag, c);
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gboolean parse_load_rc(const gchar *file, xmlDocPtr *doc, xmlNodePtr *root)
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if (file && parse_load(file, "openbox_config", doc, root))
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for (it = xdg_config_dir_paths; !r && it; it = g_slist_next(it)) {
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path = g_build_filename(it->data, "openbox", "rc.xml", NULL);
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r = parse_load(path, "openbox_config", doc, root);
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gboolean parse_load_theme(const gchar *name, xmlDocPtr *doc, xmlNodePtr *root,
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/* backward compatibility.. */
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path = g_build_filename(g_get_home_dir(), ".themes", name,
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"openbox-3", "themerc.xml", NULL);
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if (parse_load(path, "openbox_theme", doc, root) &&
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parse_attr_string("engine", *root, &eng))
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if (!strcmp(eng, "box")) {
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*retpath = g_path_get_dirname(path);
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for (it = xdg_data_dir_paths; !r && it; it = g_slist_next(it)) {
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path = g_build_filename(it->data, "themes", name, "openbox-3",
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"themerc.xml", NULL);
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if (parse_load(path, "openbox_theme", doc, root) &&
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parse_attr_string("engine", *root, &eng))
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if (!strcmp(eng, "box")) {
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*retpath = g_path_get_dirname(path);
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gboolean parse_load_menu(const gchar *file, xmlDocPtr *doc, xmlNodePtr *root)
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if (file[0] == '/') {
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r = parse_load(file, "openbox_menu", doc, root);
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for (it = xdg_config_dir_paths; !r && it; it = g_slist_next(it)) {
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path = g_build_filename(it->data, "openbox", file, NULL);
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r = parse_load(path, "openbox_menu", doc, root);
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gboolean parse_load(const gchar *path, const gchar *rootname,
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xmlDocPtr *doc, xmlNodePtr *root)
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if (stat(path, &s) < 0)
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/* XML_PARSE_BLANKS is needed apparently. When it loads a theme file,
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without this option, the tree is weird and has extra nodes in it. */
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if ((*doc = xmlReadFile(path, NULL,
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XML_PARSE_NOBLANKS | XML_PARSE_RECOVER))) {
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*root = xmlDocGetRootElement(*doc);
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g_message("%s is an empty document", path);
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if (xmlStrcmp((*root)->name, (const xmlChar*)rootname)) {
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g_message("XML Document %s is of wrong type. Root "
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"node is not '%s'", path, rootname);
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gboolean parse_load_mem(gpointer data, guint len, const gchar *rootname,
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xmlDocPtr *doc, xmlNodePtr *root)
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if ((*doc = xmlParseMemory(data, len))) {
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*root = xmlDocGetRootElement(*doc);
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g_message("Given memory is an empty document");
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if (xmlStrcmp((*root)->name, (const xmlChar*)rootname)) {
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g_message("XML Document in given memory is of wrong "
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"type. Root node is not '%s'\n", rootname);
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void parse_close(xmlDocPtr doc)
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void parse_tree(ObParseInst *i, xmlDocPtr doc, xmlNodePtr node)
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struct Callback *c = g_hash_table_lookup(i->callbacks, node->name);
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c->func(i, doc, node, c->data);
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gchar *parse_string(xmlDocPtr doc, xmlNodePtr node)
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xmlChar *c = xmlNodeListGetString(doc, node->children, TRUE);
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if (c) g_strstrip((char*)c);
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s = g_strdup(c ? (gchar*)c : "");
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gint parse_int(xmlDocPtr doc, xmlNodePtr node)
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xmlChar *c = xmlNodeListGetString(doc, node->children, TRUE);
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if (c) g_strstrip((char*)c);
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i = c ? atoi((gchar*)c) : 0;
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gboolean parse_bool(xmlDocPtr doc, xmlNodePtr node)
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xmlChar *c = xmlNodeListGetString(doc, node->children, TRUE);
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if (c) g_strstrip((char*)c);
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if (c && !xmlStrcasecmp(c, (const xmlChar*) "true"))
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else if (c && !xmlStrcasecmp(c, (const xmlChar*) "yes"))
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else if (c && !xmlStrcasecmp(c, (const xmlChar*) "on"))
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gboolean parse_contains(const gchar *val, xmlDocPtr doc, xmlNodePtr node)
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xmlChar *c = xmlNodeListGetString(doc, node->children, TRUE);
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if (c) g_strstrip((char*)c); /* strip leading/trailing whitespace */
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r = !xmlStrcasecmp(c, (const xmlChar*) val);
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xmlNodePtr parse_find_node(const gchar *tag, xmlNodePtr node)
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if (!xmlStrcmp(node->name, (const xmlChar*) tag))
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gboolean parse_attr_bool(const gchar *name, xmlNodePtr node, gboolean *value)
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xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
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g_strstrip((char*)c); /* strip leading/trailing whitespace */
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if (!xmlStrcasecmp(c, (const xmlChar*) "true"))
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*value = TRUE, r = TRUE;
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else if (!xmlStrcasecmp(c, (const xmlChar*) "yes"))
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*value = TRUE, r = TRUE;
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else if (!xmlStrcasecmp(c, (const xmlChar*) "on"))
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*value = TRUE, r = TRUE;
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else if (!xmlStrcasecmp(c, (const xmlChar*) "false"))
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*value = FALSE, r = TRUE;
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else if (!xmlStrcasecmp(c, (const xmlChar*) "no"))
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*value = FALSE, r = TRUE;
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else if (!xmlStrcasecmp(c, (const xmlChar*) "off"))
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*value = FALSE, r = TRUE;
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gboolean parse_attr_int(const gchar *name, xmlNodePtr node, gint *value)
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xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
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g_strstrip((char*)c); /* strip leading/trailing whitespace */
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*value = atoi((gchar*)c);
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gboolean parse_attr_string(const gchar *name, xmlNodePtr node, gchar **value)
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xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
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g_strstrip((char*)c); /* strip leading/trailing whitespace */
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*value = g_strdup((gchar*)c);
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gboolean parse_attr_contains(const gchar *val, xmlNodePtr node,
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xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
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g_strstrip((char*)c);
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r = !xmlStrcasecmp(c, (const xmlChar*) val);
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static gint slist_path_cmp(const gchar *a, const gchar *b)
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typedef GSList* (*GSListFunc) (gpointer list, gconstpointer data);
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static GSList* slist_path_add(GSList *list, gpointer data, GSListFunc func)
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if (!g_slist_find_custom(list, data, (GCompareFunc) slist_path_cmp))
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list = func(list, data);
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static GSList* split_paths(const gchar *paths)
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spl = g_strsplit(paths, ":", -1);
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for (it = spl; *it; ++it)
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list = slist_path_add(list, *it, (GSListFunc) g_slist_append);
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void parse_paths_startup(void)
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path = g_getenv("XDG_CONFIG_HOME");
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if (path && path[0] != '\0') /* not unset or empty */
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xdg_config_home_path = g_build_filename(path, NULL);
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xdg_config_home_path = g_build_filename(g_get_home_dir(), ".config",
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path = g_getenv("XDG_DATA_HOME");
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if (path && path[0] != '\0') /* not unset or empty */
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xdg_data_home_path = g_build_filename(path, NULL);
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xdg_data_home_path = g_build_filename(g_get_home_dir(), ".local",
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path = g_getenv("XDG_CONFIG_DIRS");
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if (path && path[0] != '\0') /* not unset or empty */
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xdg_config_dir_paths = split_paths(path);
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xdg_config_dir_paths = slist_path_add(xdg_config_dir_paths,
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(GSListFunc) g_slist_append);
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xdg_config_dir_paths = slist_path_add(xdg_config_dir_paths,
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(GSListFunc) g_slist_append);
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xdg_config_dir_paths = slist_path_add(xdg_config_dir_paths,
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g_strdup(xdg_config_home_path),
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(GSListFunc) g_slist_prepend);
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path = g_getenv("XDG_DATA_DIRS");
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if (path && path[0] != '\0') /* not unset or empty */
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xdg_data_dir_paths = split_paths(path);
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xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
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(GSListFunc) g_slist_append);
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xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
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"usr", "local", "share", NULL),
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(GSListFunc) g_slist_append);
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xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
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"usr", "share", NULL),
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(GSListFunc) g_slist_append);
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xdg_data_dir_paths = slist_path_add(xdg_data_dir_paths,
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g_strdup(xdg_data_home_path),
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(GSListFunc) g_slist_prepend);
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void parse_paths_shutdown(void)
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for (it = xdg_config_dir_paths; it; it = g_slist_next(it))
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g_slist_free(xdg_config_dir_paths);
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xdg_config_dir_paths = NULL;
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for (it = xdg_data_dir_paths; it; it = g_slist_next(it))
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g_slist_free(xdg_data_dir_paths);
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xdg_data_dir_paths = NULL;
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g_free(xdg_config_home_path);
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xdg_config_home_path = NULL;
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g_free(xdg_data_home_path);
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xdg_data_home_path = NULL;
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gchar *parse_expand_tilde(const gchar *f)
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regex = g_regex_new("(?:^|(?<=[ \\t]))~(?:(?=[/ \\t])|$)",
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G_REGEX_MULTILINE | G_REGEX_RAW, 0, NULL);
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ret = g_regex_replace_literal(regex, f, -1, 0, g_get_home_dir(), 0, NULL);
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g_regex_unref(regex);
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gboolean parse_mkdir(const gchar *path, gint mode)
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g_return_val_if_fail(path != NULL, FALSE);
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g_return_val_if_fail(path[0] != '\0', FALSE);
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if (!g_file_test(path, G_FILE_TEST_IS_DIR))
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if (mkdir(path, mode) == -1)
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gboolean parse_mkdir_path(const gchar *path, gint mode)
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g_return_val_if_fail(path != NULL, FALSE);
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g_return_val_if_fail(path[0] == '/', FALSE);
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if (!g_file_test(path, G_FILE_TEST_IS_DIR)) {
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while ((e = strchr(e + 1, '/'))) {
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if (!(ret = parse_mkdir(c, mode)))
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goto parse_mkdir_path_end;
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ret = parse_mkdir(c, mode);
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parse_mkdir_path_end:
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const gchar* parse_xdg_config_home_path(void)
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return xdg_config_home_path;
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const gchar* parse_xdg_data_home_path(void)
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return xdg_data_home_path;
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GSList* parse_xdg_config_dir_paths(void)
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return xdg_config_dir_paths;
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GSList* parse_xdg_data_dir_paths(void)
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return xdg_data_dir_paths;