static GsfOpenPkgRels *
gsf_open_pkg_get_rels (GsfInput *opkg)
{
GsfOpenPkgRels *rels = NULL;
g_return_val_if_fail (opkg != NULL, NULL);
if (NULL == (rels = g_object_get_data (G_OBJECT (opkg), "OpenPkgRels"))) {
char const *part_name = gsf_input_name (opkg);
GsfXMLInDoc *rel_doc;
GsfInput *rel_stream;
if (NULL != part_name) {
GsfInfile *container = gsf_input_container (opkg);
char *rel_name;
g_return_val_if_fail (container != NULL, NULL);
rel_name = g_strconcat (part_name, ".rels", NULL);
rel_stream = gsf_infile_child_by_vname (container, "_rels", rel_name, NULL);
g_free (rel_name);
} else /* the root */
rel_stream = gsf_infile_child_by_vname (GSF_INFILE (opkg), "_rels", ".rels", NULL);
if (NULL != rel_stream) {
rels = g_new (GsfOpenPkgRels, 1);
rels->by_id = g_hash_table_new_full (g_str_hash, g_str_equal,
NULL, (GDestroyNotify)gsf_open_pkg_rel_free);
rels->by_type = g_hash_table_new (g_str_hash, g_str_equal);
rel_doc = gsf_xml_in_doc_new (open_pkg_rel_dtd, open_pkg_ns);
(void) gsf_xml_in_doc_parse (rel_doc, rel_stream, rels);
gsf_xml_in_doc_free (rel_doc);
g_object_unref (rel_stream);
}
g_object_set_data_full (G_OBJECT (opkg), "OpenPkgRels", rels,
(GDestroyNotify) gsf_open_pkg_rels_free);
}
return rels;
}
/**
* gsf_input_find_vba:
* @input: #GsfInput
* @err: #GError, optionally %NULL.
*
* A utility routine that attempts to find the VBA file withint a stream.
*
* Returns: (transfer full): a GsfInfile
**/
GsfInfileMSVBA *
gsf_input_find_vba (GsfInput *input, GError **err)
{
GsfInput *vba = NULL;
GsfInfile *infile;
if (NULL != (infile = gsf_infile_msole_new (input, NULL))) {
/* 1) Try XLS */
vba = gsf_infile_child_by_vname (infile, "_VBA_PROJECT_CUR", "VBA", NULL);
/* 2) DOC */
if (NULL == vba)
vba = gsf_infile_child_by_vname (infile, "Macros", "VBA", NULL);
/* TODO : PPT is more complex */
g_object_unref (infile);
} else if (NULL != (infile = gsf_infile_zip_new (input, NULL))) {
GsfInput *main_part = gsf_open_pkg_open_rel_by_type (GSF_INPUT (infile),
"http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument",
NULL);
if (NULL != main_part) {
GsfInput *vba_stream = gsf_open_pkg_open_rel_by_type (main_part,
"http://schemas.microsoft.com/office/2006/relationships/vbaProject",
NULL);
if (NULL != vba_stream) {
GsfInfile *ole = gsf_infile_msole_new (vba_stream, err);
if (NULL != ole) {
vba = gsf_infile_child_by_vname (ole, "VBA", NULL);
g_object_unref (ole);
}
g_object_unref (vba_stream);
}
g_object_unref (main_part);
}
g_object_unref (infile);
}
if (NULL != vba)
return (GsfInfileMSVBA *)
gsf_infile_msvba_new (GSF_INFILE (vba), err);
return NULL;
}
static void
zip_thumbnail (GsfInfile *infile, const char *out_filename, int thumb_size)
{
GsfInput *thumbnail;
/* Office Document thumbnail */
if (NULL != (thumbnail = gsf_infile_child_by_vname (infile,
"Thumbnails", "thumbnail.png", NULL))) {
gsf_off_t len = gsf_input_remaining (thumbnail);
guint8 const *data = gsf_input_read (thumbnail, len, NULL);
write_thumbnail (out_filename, data, len, thumb_size);
g_object_unref (thumbnail);
/* Check MS Office Open thumbnail */
} else if (NULL != (thumbnail = gsf_open_pkg_open_rel_by_type (GSF_INPUT(infile),
"http://schemas.openxmlformats.org/package/2006/relationships/metadata/thumbnail",
NULL))) {
gsf_off_t len = gsf_input_remaining (thumbnail);
guint8 const *data = gsf_input_read (thumbnail, len, NULL);
write_thumbnail (out_filename, data, len, thumb_size);
g_object_unref (thumbnail);
} else
show_error_string_and_exit ("Could not find thumbnail in zip file");
}
