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#include "parse.h"
#include <glib.h>
struct Callback {
char *tag;
ParseCallback func;
void *data;
};
static GHashTable *callbacks;
static xmlDocPtr doc_config = NULL;
static void destfunc(struct Callback *c)
{
g_free(c->tag);
g_free(c);
}
void parse_startup()
{
callbacks = g_hash_table_new_full(g_str_hash, g_str_equal, NULL,
(GDestroyNotify)destfunc);
}
void parse_shutdown()
{
xmlFree(doc_config);
doc_config = NULL;
g_hash_table_destroy(callbacks);
}
void parse_register(const char *tag, ParseCallback func, void *data)
{
struct Callback *c;
if ((c = g_hash_table_lookup(callbacks, tag))) {
g_warning("tag '%s' already registered", tag);
return;
}
c = g_new(struct Callback, 1);
c->tag = g_strdup(tag);
c->func = func;
c->data = data;
g_hash_table_insert(callbacks, c->tag, c);
}
void parse_config()
{
char *path;
xmlNodePtr node = NULL;
xmlLineNumbersDefault(1);
path = g_build_filename(g_get_home_dir(), ".openbox", "rc3", NULL);
if ((doc_config = xmlParseFile(path))) {
node = xmlDocGetRootElement(doc_config);
if (!node) {
xmlFreeDoc(doc_config);
doc_config = NULL;
g_warning("%s is an empty document", path);
} else {
if (xmlStrcasecmp(node->name, (const xmlChar*)"openbox_config")) {
xmlFreeDoc(doc_config);
doc_config = NULL;
g_warning("document %s is of wrong type. root node is "
"not 'openbox_config'", path);
}
}
}
g_free(path);
if (!doc_config) {
path = g_build_filename(RCDIR, "rc3", NULL);
if ((doc_config = xmlParseFile(path))) {
node = xmlDocGetRootElement(doc_config);
if (!node) {
xmlFreeDoc(doc_config);
doc_config = NULL;
g_warning("%s is an empty document", path);
} else {
if (xmlStrcasecmp(node->name,
(const xmlChar*)"openbox_config")) {
xmlFreeDoc(doc_config);
doc_config = NULL;
g_warning("document %s is of wrong type. root node is "
"not 'openbox_config'", path);
}
}
}
g_free(path);
}
if (!doc_config) {
g_message("unable to find a valid config file, using defaults");
} else {
parse_tree(doc_config, node->xmlChildrenNode, NULL);
}
}
void parse_tree(xmlDocPtr doc, xmlNodePtr node, void *nothing)
{
while (node) {
struct Callback *c = g_hash_table_lookup(callbacks, node->name);
if (c)
c->func(doc, node->xmlChildrenNode, c->data);
node = node->next;
}
}
char *parse_string(xmlDocPtr doc, xmlNodePtr node)
{
xmlChar *c = xmlNodeListGetString(doc, node->xmlChildrenNode, TRUE);
char *s = g_strdup((char*)c);
xmlFree(c);
return s;
}
int parse_int(xmlDocPtr doc, xmlNodePtr node)
{
xmlChar *c = xmlNodeListGetString(doc, node->xmlChildrenNode, TRUE);
int i = atoi((char*)c);
xmlFree(c);
return i;
}
gboolean parse_bool(xmlDocPtr doc, xmlNodePtr node)
{
xmlChar *c = xmlNodeListGetString(doc, node->xmlChildrenNode, TRUE);
gboolean b = FALSE;
if (!xmlStrcasecmp(c, (const xmlChar*) "true"))
b = TRUE;
else if (!xmlStrcasecmp(c, (const xmlChar*) "yes"))
b = TRUE;
else if (!xmlStrcasecmp(c, (const xmlChar*) "on"))
b = TRUE;
xmlFree(c);
return b;
}
gboolean parse_contains(const char *val, xmlDocPtr doc, xmlNodePtr node)
{
xmlChar *c = xmlNodeListGetString(doc, node->xmlChildrenNode, TRUE);
gboolean r;
r = !xmlStrcasecmp(c, (const xmlChar*) val);
xmlFree(c);
return r;
}
xmlNodePtr parse_find_node(const char *tag, xmlNodePtr node)
{
while (node) {
if (!xmlStrcasecmp(node->name, (const xmlChar*) tag))
return node;
node = node->next;
}
return NULL;
}
gboolean parse_attr_int(const char *name, xmlNodePtr node, int *value)
{
xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
gboolean r = FALSE;
if (c) {
*value = atoi((char*)c);
r = TRUE;
}
xmlFree(c);
return r;
}
gboolean parse_attr_string(const char *name, xmlNodePtr node, char **value)
{
xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
gboolean r = FALSE;
if (c) {
*value = g_strdup((char*)c);
r = TRUE;
}
xmlFree(c);
return r;
}
Action *parse_action(xmlDocPtr doc, xmlNodePtr node)
{
char *actname;
Action *act = NULL;
xmlNodePtr n;
if (parse_attr_string("name", node, &actname)) {
if ((act = action_from_string(actname))) {
if (act->func == action_execute || act->func == action_restart) {
if ((n = parse_find_node("execute", node->xmlChildrenNode)))
act->data.execute.path = parse_string(doc, n);
} else if (act->func == action_showmenu) {
if ((n = parse_find_node("menu", node->xmlChildrenNode)))
act->data.showmenu.name = parse_string(doc, n);
} else if (act->func == action_desktop) {
if ((n = parse_find_node("desktop", node->xmlChildrenNode)))
act->data.desktop.desk = parse_int(doc, n);
if (act->data.desktop.desk > 0) act->data.desktop.desk--;
} else if (act->func == action_send_to_desktop) {
if ((n = parse_find_node("desktop", node->xmlChildrenNode)))
act->data.sendto.desk = parse_int(doc, n);
if (act->data.sendto.desk > 0) act->data.sendto.desk--;
} else if (act->func == action_move_relative_horz ||
act->func == action_move_relative_vert ||
act->func == action_resize_relative_horz ||
act->func == action_resize_relative_vert) {
if ((n = parse_find_node("delta", node->xmlChildrenNode)))
act->data.relative.delta = parse_int(doc, n);
} else if (act->func == action_desktop_right ||
act->func == action_desktop_left ||
act->func == action_desktop_up ||
act->func == action_desktop_down) {
if ((n = parse_find_node("wrap", node->xmlChildrenNode))) {
g_message("WRAP %d", parse_bool(doc, n));
act->data.desktopdir.wrap = parse_bool(doc, n);
}
} else if (act->func == action_send_to_desktop_right ||
act->func == action_send_to_desktop_left ||
act->func == action_send_to_desktop_up ||
act->func == action_send_to_desktop_down) {
if ((n = parse_find_node("wrap", node->xmlChildrenNode)))
act->data.sendtodir.wrap = parse_bool(doc, n);
if ((n = parse_find_node("follow", node->xmlChildrenNode)))
act->data.sendtodir.follow = parse_bool(doc, n);
}
}
}
return act;
}
gboolean parse_attr_contains(const char *val, xmlNodePtr node,
const char *name)
{
xmlChar *c = xmlGetProp(node, (const xmlChar*) name);
gboolean r;
r = !xmlStrcasecmp(c, (const xmlChar*) val);
xmlFree(c);
return r;
}
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