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/* $Id$ */
/*
libg3d - 3D object loading library
Copyright (C) 2005-2009 Markus Dahms <mad@automagically.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <glib.h>
#include <libxml/tree.h>
#include "imp_dae_xml.h"
#include "imp_dae_library.h"
struct _DaeLibrary {
GHashTable *ids;
GSList *libs;
};
typedef struct {
GHashTable *ids;
GSList *nodes;
} DaeLibraryNodes;
static gchar *dae_library_names[][2] = {
{ "library_animations", "animation" },
{ "library_cameras", "camera" },
{ "library_controllers", "controller" },
{ "library_effects", "effect" },
{ "library_geometries", "geometry" },
{ "library_images", "image" },
{ "library_lights", "light" },
{ "library_materials", "material" },
{ "library_nodes", "node" },
{ "library_physics_scenes", "physics_scene" },
{ "library_visual_scenes", "visual_scene" },
{ NULL, NULL }
};
static gboolean dae_add_library(DaeLibrary *lib, xmlNodePtr libnode,
guint32 entryid)
{
xmlNodePtr node;
DaeLibraryNodes *nodelib;
gchar *id;
nodelib = g_new0(DaeLibraryNodes, 1);
nodelib->ids = g_hash_table_new_full(
g_str_hash, g_str_equal, g_free, NULL);
g_hash_table_insert(lib->ids, g_strdup(dae_library_names[entryid][1]),
nodelib);
lib->libs = g_slist_append(lib->libs, nodelib);
node = libnode->children;
while(node != NULL) {
if((node->type == XML_ELEMENT_NODE) &&
(xmlStrcmp(node->name,
(const xmlChar *)dae_library_names[entryid][1]) == 0)) {
/* found library entry */
id = dae_xml_get_attr(node, "id");
if(id != NULL) {
#if DEBUG > 2
g_debug("\t%s id=\"%s\"", dae_library_names[entryid][1], id);
#endif
g_hash_table_insert(nodelib->ids, id, node);
nodelib->nodes = g_slist_append(nodelib->nodes, node);
}
}
node = node->next;
}
return TRUE;
}
gboolean dae_library_add(DaeLibrary *lib, const gchar *libname,
const gchar *id, xmlNodePtr node)
{
DaeLibraryNodes *nodelib;
g_return_val_if_fail(lib != NULL, FALSE);
nodelib = g_hash_table_lookup(lib->ids, libname);
if(nodelib == NULL) {
nodelib = g_new0(DaeLibraryNodes, 1);
nodelib->ids = g_hash_table_new_full(
g_str_hash, g_str_equal, g_free, NULL);
g_hash_table_insert(lib->ids, g_strdup(libname), nodelib);
lib->libs = g_slist_append(lib->libs, nodelib);
}
g_hash_table_insert(nodelib->ids, g_strdup(id), node);
nodelib->nodes = g_slist_append(nodelib->nodes, node);
return TRUE;
}
DaeLibrary *dae_library_load(xmlDocPtr xmldoc)
{
DaeLibrary *lib;
gint i = 0;
xmlNodePtr rootnode, node;
lib = g_new0(DaeLibrary, 1);
lib->ids = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);
rootnode = xmlDocGetRootElement(xmldoc);
g_return_val_if_fail(rootnode != NULL, NULL);
while(dae_library_names[i][0] != NULL) {
#if DEBUG > 2
g_debug("loading library %s", dae_library_names[i][0]);
#endif
node = rootnode->children;
while(node != NULL) {
if((node->type == XML_ELEMENT_NODE) &&
(xmlStrcmp(node->name,
(const xmlChar *)dae_library_names[i][0]) == 0)) {
dae_add_library(lib, node, i);
break;
}
node = node->next;
}
i ++;
}
return lib;
}
xmlNodePtr dae_library_lookup(DaeLibrary *library, const gchar *tagname,
const gchar *id)
{
DaeLibraryNodes *nodelib;
nodelib = g_hash_table_lookup(library->ids, tagname);
if(nodelib == NULL) {
g_warning("DAE: failed to lookup library for '%s'", tagname);
return NULL;
}
return (xmlNodePtr)g_hash_table_lookup(nodelib->ids, id);
}
void dae_library_cleanup(DaeLibrary *library)
{
DaeLibraryNodes *nodelib;
GSList *item;
for(item = library->libs; item != NULL; item = item->next) {
nodelib = (DaeLibraryNodes *)item->data;
g_hash_table_destroy(nodelib->ids);
g_slist_free(nodelib->nodes);
}
g_hash_table_destroy(library->ids);
g_slist_free(library->libs);
g_free(library);
}
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