1 files changed, 168 insertions, 0 deletions

diff --git a/src/others/mimesh/libg3d-0.0.8/plugins/import/imp_kmz/imp_kmz.c b/src/others/mimesh/libg3d-0.0.8/plugins/import/imp_kmz/imp_kmz.c
new file mode 100644
index 0000000..9f44f87
--- /dev/null
+++ b/src/others/mimesh/libg3d-0.0.8/plugins/import/imp_kmz/imp_kmz.c
@@ -0,0 +1,168 @@
+/* $Id$ */
+
+/*
+    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 <g3d/config.h>
+
+#include <locale.h>
+#include <string.h>
+
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+
+#include <g3d/types.h>
+#include <g3d/stream.h>
+#include <g3d/plugins.h>
+
+static gchar * kmz_find_model(xmlDocPtr xmldoc);
+
+static int kml_stream_read_cb(gpointer ctx, gchar *buffer, gint len)
+{
+        return g3d_stream_read((G3DStream *)ctx, buffer, len);
+}
+
+EAPI
+gboolean plugin_load_model_from_stream(G3DContext *context, G3DStream *stream,
+        G3DModel *model)
+{
+        G3DStream *stream_dockml, *stream_model;
+        gchar *daename;
+        xmlDocPtr xmldoc;
+        gboolean retval = FALSE, from_zip = TRUE;
+
+        setlocale(LC_NUMERIC, "C");
+
+        xmlInitParser();
+
+        stream_dockml = g3d_stream_open_zip_from_stream(stream, "doc.kml");
+        if(stream_dockml == NULL) {
+                g_debug("KMZ: failed to read 'doc.kml' from '%s', trying to "
+                        "use input stream as 'doc.kml'", stream->uri);
+                stream_dockml = stream;
+                from_zip = FALSE;
+        }
+
+        xmldoc = xmlReadIO(kml_stream_read_cb, NULL,
+                stream_dockml, "file:///tmp/doc.kml", NULL, 0);
+        if(xmldoc) {
+                g_debug("KMZ: parsed doc.kml");
+
+                daename = kmz_find_model(xmldoc);
+                if(daename != NULL) {
+/*#if DEBUG > 1*/
+                        g_debug("KMZ: loading '%s' from '%s'", daename, stream->uri);
+/*#endif*/
+                        if(from_zip)
+                                stream_model = g3d_stream_open_zip_from_stream(stream,
+                                        daename);
+                        else
+                                stream_model = g3d_stream_open_file(daename, "r");
+
+                        if(stream_model != NULL) {
+                                retval = g3d_plugins_load_model_from_stream(context,
+                                        stream_model, model);
+                                g3d_stream_close(stream_model);
+                        } else {
+                                g_warning("KMZ: failed to find '%s'%s%s%s", daename,
+                                        from_zip ? " in '" : "",
+                                        from_zip ? stream->uri : "",
+                                        from_zip ? "'" : "");
+                        }
+                }
+
+                xmlFreeDoc(xmldoc);
+        }
+
+        if(from_zip)
+                g3d_stream_close(stream_dockml);
+        xmlCleanupParser();
+
+        return retval;
+}
+
+EAPI
+gchar *plugin_description(void)
+{
+        return g_strdup("Keyhole Markup Language model containers.");
+}
+
+EAPI
+gchar **plugin_extensions(void)
+{
+        return g_strsplit("kmz:kml:zip", ":", 0);
+}
+
+/*****************************************************************************/
+
+static xmlNodePtr kmz_find_node(xmlNodePtr parentnode, const gchar *path)
+{
+        gchar *slash, *elem;
+        xmlNodePtr node, pathnode;
+        gboolean last = FALSE;
+
+        slash = strchr(path, '/');
+        if(slash)
+                elem = g_strndup(path, slash - path);
+        else {
+                elem = g_strdup(path);
+                last = TRUE;
+        }
+
+        if(strlen(elem) == 0)
+                return NULL;
+
+        for(node = parentnode->children; node != NULL; node = node->next) {
+                if(node->type != XML_ELEMENT_NODE)
+                        continue;
+                if(xmlStrcmp(node->name, (xmlChar *)elem) == 0) {
+                        if(last) {
+                                g_free(elem);
+                                return node;
+                        } else {
+                                pathnode = kmz_find_node(node, slash + 1);
+                                if(pathnode != NULL) {
+                                        g_free(elem);
+                                        return pathnode;
+                                }
+                        }
+                }
+        }
+        g_free(elem);
+        return NULL;
+}
+
+static gchar * kmz_find_model(xmlDocPtr xmldoc)
+{
+        xmlNodePtr rootnode, hrefnode;
+
+        rootnode = xmlDocGetRootElement(xmldoc);
+        if(rootnode == NULL)
+                return NULL;
+
+        hrefnode = kmz_find_node(rootnode, "Folder/Placemark/Model/Link/href");
+        if(hrefnode)
+                return (gchar *)hrefnode->children->content;
+        hrefnode = kmz_find_node(rootnode, "Placemark/Model/Link/href");
+        if(hrefnode)
+                return (gchar *)hrefnode->children->content;
+        return NULL;
+}
+