static xmlNodePtr
find_schema_subnode_by_locale(xmlNodePtr node, const gchar* locale)
{
xmlNodePtr iter;
xmlNodePtr found = NULL;
iter = node->xmlChildrenNode;
while (iter != NULL)
{
if (iter->type == XML_ELEMENT_NODE &&
strcmp((char *)iter->name, "local_schema") == 0)
{
char* this_locale = my_xmlGetProp(iter, "locale");
if (locale && this_locale &&
strcmp(locale, this_locale) == 0)
{
found = iter;
xmlFree(this_locale);
break;
}
else if (this_locale == NULL &&
locale == NULL)
{
found = iter;
break;
}
else if (this_locale != NULL)
xmlFree(this_locale);
}
iter = iter->next;
}
return found;
}
static void
dir_fill_cache_from_doc(Dir* d)
{
xmlNodePtr node;
if (d->doc == NULL ||
d->doc->xmlRootNode == NULL ||
d->doc->xmlRootNode->xmlChildrenNode == NULL)
{
/* Empty document - just return. */
return;
}
node = d->doc->xmlRootNode->xmlChildrenNode;
while (node != NULL)
{
if (node->type == XML_ELEMENT_NODE &&
(strcmp((xmlChar *)node->name, "entry") == 0))
{
gchar* attr = my_xmlGetProp(node, "name");
if (attr != NULL)
{
if (g_hash_table_lookup(d->entry_cache, attr) != NULL)
{
gconf_log(GCL_WARNING,
_("Duplicate entry `%s' in `%s', ignoring"),
attr, d->xml_filename);
}
else
{
Entry* e;
e = entry_new(attr);
entry_set_node(e, node);
entry_fill_from_node(e);
safe_g_hash_table_insert(d->entry_cache,
(gchar*)entry_get_name(e), e);
}
free(attr);
}
else
{
gconf_log(GCL_WARNING,
_("Entry with no name in XML file `%s', ignoring"),
d->xml_filename);
}
}
else
{
if (node->type == XML_ELEMENT_NODE)
gconf_log(GCL_WARNING,
_("A toplevel node in XML file `%s' is <%s> rather than <entry>, ignoring"),
d->xml_filename,
node->name ? (char*) node->name : "unknown");
}
node = node->next;
}
}
/* this actually works on any node,
not just <entry>, such as the <car>
and <cdr> nodes and the <li> nodes and the
<default> node
*/
static GConfValue*
node_extract_value(xmlNodePtr node, const gchar** locales, GError** err)
{
GConfValue* value = NULL;
gchar* type_str;
GConfValueType type = GCONF_VALUE_INVALID;
const gchar* default_locales[] = { "C", NULL };
if (locales == NULL)
locales = default_locales;
type_str = my_xmlGetProp(node, "type");
if (type_str == NULL)
{
gconf_set_error(err, GCONF_ERROR_PARSE_ERROR,
_("No \"type\" attribute for <%s> node"),
(node->name ? (char*)node->name : "(nil)"));
return NULL;
}
type = gconf_value_type_from_string(type_str);
xmlFree(type_str);
switch (type)
{
case GCONF_VALUE_INVALID:
{
gconf_set_error(err, GCONF_ERROR_PARSE_ERROR,
_("A node has unknown \"type\" attribute `%s', ignoring"), type_str);
return NULL;
}
break;
case GCONF_VALUE_INT:
case GCONF_VALUE_BOOL:
case GCONF_VALUE_FLOAT:
{
gchar* value_str;
value_str = my_xmlGetProp(node, "value");
if (value_str == NULL)
{
gconf_set_error(err, GCONF_ERROR_PARSE_ERROR,
_("No \"value\" attribute for node"));
return NULL;
}
value = gconf_value_new_from_string(type, value_str, err);
xmlFree(value_str);
g_return_val_if_fail( (value != NULL) ||
(err == NULL) ||
(*err != NULL),
NULL );
return value;
}
break;
case GCONF_VALUE_STRING:
{
xmlNodePtr iter;
iter = node->xmlChildrenNode;
while (iter != NULL)
{
if (iter->type == XML_ELEMENT_NODE)
{
GConfValue* v = NULL;
if (strcmp((char *)iter->name, "stringvalue") == 0)
{
gchar* s;
s = (gchar *)xmlNodeGetContent(iter);
v = gconf_value_new(GCONF_VALUE_STRING);
/* strdup() caused purely by g_free()/free()
difference */
gconf_value_set_string(v, s ? s : "");
if (s)
xmlFree(s);
return v;
}
else
{
/* What the hell is this? */
gconf_log(GCL_WARNING,
_("Didn't understand XML node <%s> inside an XML list node"),
iter->name ? iter->name : (guchar*)"???");
}
}
iter = iter->next;
}
return NULL;
}
break;
case GCONF_VALUE_SCHEMA:
return schema_node_extract_value(node, locales);
break;
case GCONF_VALUE_LIST:
{
xmlNodePtr iter;
GSList* values = NULL;
GConfValueType list_type = GCONF_VALUE_INVALID;
{
gchar* s;
s = my_xmlGetProp(node, "ltype");
if (s != NULL)
{
list_type = gconf_value_type_from_string(s);
xmlFree(s);
}
}
switch (list_type)
{
case GCONF_VALUE_INVALID:
case GCONF_VALUE_LIST:
case GCONF_VALUE_PAIR:
gconf_set_error(err, GCONF_ERROR_PARSE_ERROR,
_("Invalid type (list, pair, or unknown) in a list node"));
return NULL;
default:
break;
}
iter = node->xmlChildrenNode;
while (iter != NULL)
{
if (iter->type == XML_ELEMENT_NODE)
{
GConfValue* v = NULL;
if (strcmp((char*)iter->name, "li") == 0)
{
v = node_extract_value(iter, locales, err);
if (v == NULL)
{
if (err && *err)
{
gconf_log(GCL_WARNING,
_("Bad XML node: %s"),
(*err)->message);
/* avoid pile-ups */
g_clear_error(err);
}
}
else if (v->type != list_type)
{
gconf_log(GCL_WARNING, _("List contains a badly-typed node (%s, should be %s)"),
gconf_value_type_to_string(v->type),
gconf_value_type_to_string(list_type));
gconf_value_free(v);
v = NULL;
}
}
else
{
/* What the hell is this? */
gconf_log(GCL_WARNING,
_("Didn't understand XML node <%s> inside an XML list node"),
iter->name ? iter->name : (guchar*)"???");
}
if (v != NULL)
values = g_slist_prepend(values, v);
}
iter = iter->next;
}
/* put them in order, set the value */
values = g_slist_reverse(values);
value = gconf_value_new(GCONF_VALUE_LIST);
gconf_value_set_list_type(value, list_type);
gconf_value_set_list_nocopy(value, values);
return value;
}
break;
case GCONF_VALUE_PAIR:
{
GConfValue* car = NULL;
GConfValue* cdr = NULL;
xmlNodePtr iter;
iter = node->xmlChildrenNode;
while (iter != NULL)
{
if (iter->type == XML_ELEMENT_NODE)
{
if (car == NULL && strcmp((char *)iter->name, "car") == 0)
{
car = node_extract_value(iter, locales, err);
if (car == NULL)
{
if (err && *err)
{
gconf_log(GCL_WARNING,
_("Ignoring bad car from XML pair: %s"),
(*err)->message);
/* prevent pile-ups */
g_clear_error(err);
}
}
else if (car->type == GCONF_VALUE_LIST ||
car->type == GCONF_VALUE_PAIR)
{
gconf_log(GCL_WARNING, _("parsing XML file: lists and pairs may not be placed inside a pair"));
gconf_value_free(car);
car = NULL;
}
}
else if (cdr == NULL && strcmp((char *)iter->name, "cdr") == 0)
{
cdr = node_extract_value(iter, locales, err);
if (cdr == NULL)
{
if (err && *err)
{
gconf_log(GCL_WARNING,
_("Ignoring bad cdr from XML pair: %s"),
(*err)->message);
/* avoid pile-ups */
g_clear_error(err);
}
}
else if (cdr->type == GCONF_VALUE_LIST ||
cdr->type == GCONF_VALUE_PAIR)
{
gconf_log(GCL_WARNING,
_("parsing XML file: lists and pairs may not be placed inside a pair"));
gconf_value_free(cdr);
cdr = NULL;
}
}
else
{
/* What the hell is this? */
gconf_log(GCL_WARNING,
_("Didn't understand XML node <%s> inside an XML pair node"),
iter->name ? (gchar*)iter->name : "???");
}
}
iter = iter->next;
}
/* Return the pair if we got both halves */
if (car && cdr)
{
value = gconf_value_new(GCONF_VALUE_PAIR);
gconf_value_set_car_nocopy(value, car);
gconf_value_set_cdr_nocopy(value, cdr);
return value;
}
else
{
gconf_log(GCL_WARNING, _("Didn't find car and cdr for XML pair node"));
if (car)
{
g_assert(cdr == NULL);
gconf_value_free(car);
gconf_set_error(err, GCONF_ERROR_PARSE_ERROR,
_("Missing cdr from pair of values in XML file"));
}
else if (cdr)
{
g_assert(car == NULL);
gconf_value_free(cdr);
gconf_set_error(err, GCONF_ERROR_PARSE_ERROR,
_("Missing car from pair of values in XML file"));
}
else
{
gconf_set_error(err, GCONF_ERROR_PARSE_ERROR,
_("Missing both car and cdr values from pair in XML file"));
}
return NULL;
}
}
break;
default:
g_assert_not_reached();
return NULL;
break;
}
}
static GConfValue*
schema_node_extract_value(xmlNodePtr node, const gchar** locales)
{
GConfValue* value = NULL;
gchar* owner_str;
gchar* stype_str;
gchar* list_type_str;
gchar* car_type_str;
gchar* cdr_type_str;
GConfSchema* sc;
xmlNodePtr iter;
guint i;
xmlNodePtr* localized_nodes;
xmlNodePtr best = NULL;
/* owner, type are for all locales;
default value, descriptions are per-locale
*/
owner_str = my_xmlGetProp(node, "owner");
stype_str = my_xmlGetProp(node, "stype");
list_type_str = my_xmlGetProp(node, "list_type");
car_type_str = my_xmlGetProp(node, "car_type");
cdr_type_str = my_xmlGetProp(node, "cdr_type");
sc = gconf_schema_new();
if (owner_str)
{
gconf_schema_set_owner(sc, owner_str);
xmlFree(owner_str);
}
if (stype_str)
{
GConfValueType stype;
stype = gconf_value_type_from_string(stype_str);
gconf_schema_set_type(sc, stype);
xmlFree(stype_str);
}
if (list_type_str)
{
GConfValueType type;
type = gconf_value_type_from_string(list_type_str);
gconf_schema_set_list_type(sc, type);
xmlFree(list_type_str);
}
if (car_type_str)
{
GConfValueType type;
type = gconf_value_type_from_string(car_type_str);
gconf_schema_set_car_type(sc, type);
xmlFree(car_type_str);
}
if (cdr_type_str)
{
GConfValueType type;
type = gconf_value_type_from_string(cdr_type_str);
gconf_schema_set_cdr_type(sc, type);
xmlFree(cdr_type_str);
}
if (locales != NULL && locales[0])
{
/* count the number of possible locales */
int n_locales;
n_locales = 0;
while (locales[n_locales])
++n_locales;
localized_nodes = g_new0(xmlNodePtr, n_locales);
/* Find the node for each possible locale */
iter = node->xmlChildrenNode;
while (iter != NULL)
{
if (iter->type == XML_ELEMENT_NODE &&
strcmp((char *)iter->name, "local_schema") == 0)
{
char* locale_name;
locale_name = my_xmlGetProp(iter, "locale");
if (locale_name != NULL)
{
i = 0;
while (locales[i])
{
if (strcmp(locales[i], locale_name) == 0)
{
localized_nodes[i] = iter;
break;
}
++i;
}
xmlFree(locale_name);
/* Quit as soon as we have the best possible locale */
if (localized_nodes[0] != NULL)
break;
}
}
iter = iter->next;
}
/* See which is the best locale we managed to load, they are in
order of preference. */
i = 0;
best = localized_nodes[i];
while (best == NULL && i < n_locales)
{
best = localized_nodes[i];
++i;
}
g_free(localized_nodes);
}
/* If no locale matched, try picking the the null localization,
* and then try picking the first node
*/
if (best == NULL)
best = find_schema_subnode_by_locale (node, NULL);
if (best == NULL)
{
best = node->xmlChildrenNode;
while (best && best->type != XML_ELEMENT_NODE)
best = best->next;
}
/* Extract info from the best locale node */
if (best != NULL)
schema_subnode_extract_data(best, sc);
/* Create a GConfValue with this schema and return it */
value = gconf_value_new(GCONF_VALUE_SCHEMA);
gconf_value_set_schema_nocopy(value, sc);
return value;
}
static void
schema_subnode_extract_data(xmlNodePtr node, GConfSchema* sc)
{
gchar* sd_str;
gchar* locale_str;
GError* error = NULL;
sd_str = my_xmlGetProp(node, "short_desc");
locale_str = my_xmlGetProp(node, "locale");
if (sd_str)
{
gconf_schema_set_short_desc(sc, sd_str);
xmlFree(sd_str);
}
if (locale_str)
{
gconf_log(GCL_DEBUG, "found locale `%s'", locale_str);
gconf_schema_set_locale(sc, locale_str);
xmlFree(locale_str);
}
else
{
gconf_log(GCL_DEBUG, "found <%s> with no locale setting",
node->name ? node->name : (unsigned char*) "null");
}
if (node->xmlChildrenNode != NULL)
{
GConfValue* default_value = NULL;
xmlChar* ld_str = NULL;
GSList* bad_nodes = NULL;
xmlNodePtr iter = node->xmlChildrenNode;
while (iter != NULL)
{
if (iter->type == XML_ELEMENT_NODE)
{
if (default_value == NULL &&
strcmp((char *)iter->name, "default") == 0)
{
default_value = node_extract_value(iter, NULL, &error);
if (error != NULL)
{
g_assert(default_value == NULL);
gconf_log(GCL_WARNING, _("Failed reading default value for schema: %s"),
error->message);
g_error_free(error);
error = NULL;
bad_nodes = g_slist_prepend(bad_nodes, iter);
}
}
else if (ld_str == NULL &&
strcmp((char *)iter->name, "longdesc") == 0)
{
ld_str = xmlNodeGetContent(iter);
}
else
{
bad_nodes = g_slist_prepend(bad_nodes, iter);
}
}
else
bad_nodes = g_slist_prepend(bad_nodes, iter); /* what is this node? */
iter = iter->next;
}
/* Remove the bad nodes from the parse tree */
if (bad_nodes != NULL)
{
GSList* tmp = bad_nodes;
while (tmp != NULL)
{
xmlUnlinkNode(tmp->data);
xmlFreeNode(tmp->data);
tmp = g_slist_next(tmp);
}
g_slist_free(bad_nodes);
}
if (default_value != NULL)
gconf_schema_set_default_value_nocopy(sc, default_value);
if (ld_str)
{
gconf_schema_set_long_desc(sc, (char *)ld_str);
xmlFree(ld_str);
}
}
}
void
entry_fill_from_node(Entry* e)
{
gchar* tmp;
GError* error = NULL;
g_return_if_fail(e->node != NULL);
tmp = my_xmlGetProp(e->node, "schema");
if (tmp != NULL)
{
/* Filter any crap schemas that appear, some speed cost */
gchar* why_bad = NULL;
if (gconf_valid_key(tmp, &why_bad))
{
g_assert(why_bad == NULL);
e->schema_name = g_strdup(tmp);
}
else
{
e->schema_name = NULL;
gconf_log(GCL_WARNING, _("Ignoring schema name `%s', invalid: %s"),
tmp, why_bad);
g_free(why_bad);
}
xmlFree(tmp);
}
tmp = my_xmlGetProp(e->node, "mtime");
if (tmp != NULL)
{
e->mod_time = gconf_string_to_gulong(tmp);
xmlFree(tmp);
}
else
e->mod_time = 0;
tmp = my_xmlGetProp(e->node, "muser");
if (tmp != NULL)
{
e->mod_user = g_strdup(tmp);
xmlFree(tmp);
}
else
e->mod_user = NULL;
entry_sync_if_needed(e);
if (e->cached_value != NULL)
gconf_value_free(e->cached_value);
e->cached_value = node_extract_value(e->node, NULL, /* FIXME current locale as a guess */
&error);
if (e->cached_value)
{
g_return_if_fail(error == NULL);
return;
}
else if (error != NULL)
{
/* Ignore errors from node_extract_value() if we got a schema name,
* since the node's only purpose may be to store the schema name.
*/
if (e->schema_name == NULL)
gconf_log (GCL_WARNING,
_("Ignoring XML node `%s': %s"),
e->name, error->message);
g_error_free(error);
}
}
