/**
* gsf_open_pkg_parse_rel_by_id:
* @xin: #GsfXMLIn
* @id: target id
* @dtd: #GsfXMLInNode
* @ns: #GsfXMLInNS
*
* Convenience function to parse a related part.
*
* Returns: (transfer full): %NULL on success or a #GError on failure.
**/
GError *
gsf_open_pkg_parse_rel_by_id (GsfXMLIn *xin, char const *id,
GsfXMLInNode const *dtd,
GsfXMLInNS const *ns)
{
GError *res = NULL;
GsfInput *cur_stream, *part_stream;
g_return_val_if_fail (xin != NULL, NULL);
cur_stream = gsf_xml_in_get_input (xin);
if (NULL == id)
return g_error_new (gsf_input_error_id(), gsf_open_pkg_error_id (),
_("Missing id for part in '%s'"),
gsf_input_name (cur_stream) );
part_stream = gsf_open_pkg_open_rel_by_id (cur_stream, id, &res);
if (NULL != part_stream) {
GsfXMLInDoc *doc = gsf_xml_in_doc_new (dtd, ns);
if (!gsf_xml_in_doc_parse (doc, part_stream, xin->user_state))
res = g_error_new (gsf_input_error_id(), gsf_open_pkg_error_id (),
_("Part '%s' in '%s' from '%s' is corrupt!"),
id,
gsf_input_name (part_stream),
gsf_input_name (cur_stream) );
gsf_xml_in_doc_free (doc);
g_object_unref (part_stream);
}
return res;
}
/* NOTE : every path through this must push something onto obj_stack. */
static void
gogo_start (GsfXMLIn *xin, xmlChar const **attrs)
{
GogXMLReadState *state = (GogXMLReadState *)xin->user_state;
xmlChar const *type = NULL, *role = NULL;
GogObject *res;
unsigned i;
for (i = 0; attrs != NULL && attrs[i] && attrs[i+1] ; i += 2)
if (0 == strcmp (attrs[i], "type"))
type = attrs[i+1];
else if (0 == strcmp (attrs[i], "role"))
role = attrs[i+1];
if (NULL != type) {
GType t = g_type_from_name (type);
if (t == 0) {
res = (GogObject *)gog_plot_new_by_name (type);
if (NULL == res)
res = (GogObject *)gog_trend_line_new_by_name (type);
} else if (g_type_is_a (t, GOG_TYPE_OBJECT) && !G_TYPE_IS_ABSTRACT (t))
res = g_object_new (t, NULL);
else
res = NULL;
if (res == NULL) {
g_warning ("unknown type '%s'", type);
}
if (GOG_IS_GRAPH (res))
((GogGraph *) res)->doc = (GODoc *) g_object_get_data (G_OBJECT (gsf_xml_in_get_input (xin)), "document");
} else
res = NULL;
if (role != NULL) {
if (strcmp (role, GOG_BACKPLANE_OLD_ROLE_NAME) == 0)
res = gog_object_add_by_name (state->obj, GOG_BACKPLANE_NEW_ROLE_NAME, res);
else
res = gog_object_add_by_name (state->obj, role, res);
}
if (res != NULL) {
res->explicitly_typed_role = (type != NULL);
if (GO_IS_PERSIST (res))
go_persist_prep_sax (GO_PERSIST (res), xin, attrs);
}
state->obj_stack = g_slist_prepend (state->obj_stack, state->obj);
state->obj = res;
}
