# ros-inv.cnf
# ROS Invoke common code
# Copyright 2007 Tomas Kukosa

#.FN_HDR Invoke
  dissector_handle_t arg_handle = NULL;
  const char *descr = "";

  arg_next_tvb = NULL;
#.FN_FTR Invoke
  actx->rose_ctx->d.pdu = 1;

  if ((actx->rose_ctx->d.code == 0) && actx->rose_ctx->arg_local_dissector_table) {
    arg_handle = dissector_get_uint_handle(actx->rose_ctx->arg_local_dissector_table, actx->rose_ctx->d.code_local);
  } else if ((actx->rose_ctx->d.code == 1) && actx->rose_ctx->arg_global_dissector_table) {
    arg_handle = dissector_get_string_handle(actx->rose_ctx->arg_global_dissector_table, actx->rose_ctx->d.code_global);
  } else {
    arg_handle = NULL;
  }

  if (!arg_handle ||
      !proto_is_protocol_enabled(find_protocol_by_id(dissector_handle_get_protocol_index(arg_handle)))) {
    if (actx->rose_ctx->d.code == 0)
      descr = wmem_strdup_printf(actx->pinfo->pool, "INV: %d", actx->rose_ctx->d.code_local);
    else if (actx->rose_ctx->d.code == 1)
      descr = wmem_strdup_printf(actx->pinfo->pool, "INV: %s", actx->rose_ctx->d.code_global);
  } else {
    descr = wmem_strdup(actx->pinfo->pool, "INV:");
  }

  if (actx->rose_ctx->apdu_depth >= 0)
    proto_item_append_text(proto_item_get_parent_nth(proto_tree_get_parent(tree), actx->rose_ctx->apdu_depth), "  %s", descr);
  if (actx->rose_ctx->fillin_info)
    col_append_str(actx->pinfo->cinfo, COL_INFO, descr);
  if (actx->rose_ctx->fillin_ptr)
    (void) g_strlcat(actx->rose_ctx->fillin_ptr, descr, actx->rose_ctx->fillin_buf_size);

  if (!arg_next_tvb) {  /* empty argument */
    arg_next_tvb = tvb_new_subset_length_caplen(tvb, (actx->encoding==ASN1_ENC_PER)?offset>>3:offset, 0, 0);
  }

  call_dissector_with_data((arg_handle)?arg_handle:data_handle, arg_next_tvb, actx->pinfo, tree, actx->rose_ctx);
  if (!arg_handle) {
    expert_add_info_format(actx->pinfo, tree, &ei_ros_undecoded, "Undecoded %s", descr);
  }
#.END