%%--------------------------------------------------------------------
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1997-2009. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% %CopyrightEnd%
%%
%%
%%-----------------------------------------------------------------
%% File: CosNaming_BindingIterator_impl.erl
%%
%%-----------------------------------------------------------------
-module('CosNaming_BindingIterator_impl').
-include_lib("orber/include/corba.hrl").
-include("CosNaming.hrl").
-include("orber_cosnaming.hrl").
%%-----------------------------------------------------------------
%% External exports
%%-----------------------------------------------------------------
-export([init/1, terminate/2, code_change/3]).
-export([next_one/1, next_n/2, destroy/1]).
%%-----------------------------------------------------------------
%% Internal exports
%%-----------------------------------------------------------------
-export([]).
%%-----------------------------------------------------------------
%% External interface functions
%%-----------------------------------------------------------------
%%-----------------------------------------------------------------
%% Func: init/1
%% Args:
%% Returns:
%%-----------------------------------------------------------------
init(State) ->
{ok, State}.
%%-----------------------------------------------------------------
%% Func: terminate/2
%% Args:
%% Returns:
%%-----------------------------------------------------------------
terminate(_Reason, _State) ->
ok.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
next_one([]) ->
NoBinding = #'CosNaming_Binding'{binding_name=[],
binding_type=nobject},
{reply, {false, NoBinding}, []};
next_one([Binding]) ->
{reply, {true, Binding}, []};
next_one([Binding|Rest]) ->
{reply, {true, Binding}, Rest}.
next_n([], _) ->
{reply, {false, []}, []};
next_n(List, HowMany) ->
{More, Acc, NewList} = split(List, HowMany, []),
{reply, {More, Acc}, NewList}.
split([], _, Acc) ->
{false, Acc, []};
split(Rest, 0, Acc) ->
{true, Acc, Rest};
split([H|T], N, Acc) ->
split(T, N-1, [H|Acc]).
destroy(OE_State) ->
{stop, normal, ok, OE_State}.
%%-----------------------------------------------------------------
%% Internal functions
%%-----------------------------------------------------------------
