%%--------------------------------------------------------------------
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1998-2009. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%
%%-----------------------------------------------------------------
%% File: orber_tc.erl
%% Description:
%% This file contains utility functions to create TypeCodes
%%
%%-----------------------------------------------------------------
-module(orber_tc).
-include_lib("orber/include/ifr_types.hrl").
-include_lib("orber/include/corba.hrl").
%%-----------------------------------------------------------------
%% External exports
%%-----------------------------------------------------------------
-export([null/0, void/0, short/0, unsigned_short/0,
long/0, longdouble/0, unsigned_long/0, long_long/0,
unsigned_long_long/0, float/0, double/0,
boolean/0, char/0, wchar/0, octet/0, any/0,
typecode/0, principal/0,
object_reference/2, struct/3,
union/5, enum/3,
string/1, wstring/1, sequence/2, array/2, alias/3,
exception/3, fixed/2, value/5, value_box/3, native/2, abstract_interface/2,
get_tc/1, check_tc/1]).
%%-----------------------------------------------------------------
%% Internal exports
%%-----------------------------------------------------------------
-export([]).
%%-----------------------------------------------------------------
%% External interface functions
%%-----------------------------------------------------------------
%%-----------------------------------------------------------------
%% Macros
%%-----------------------------------------------------------------
-define(DEBUG_LEVEL, 5).
%%-----------------------------------------------------------------
%% A number of function which can be used to create TypeCodes
null() ->
tk_null.
void() ->
tk_void.
short() ->
tk_short.
unsigned_short() ->
tk_ushort.
long() ->
tk_long.
unsigned_long() ->
tk_ulong.
long_long() ->
tk_longlong.
unsigned_long_long() ->
tk_ulonglong.
float() ->
tk_float.
double() ->
tk_double.
longdouble() ->
tk_longdouble.
boolean() ->
tk_boolean.
char() ->
tk_char.
wchar() ->
tk_wchar.
octet() ->
tk_octet.
any() ->
tk_any.
typecode() ->
tk_TypeCode.
principal() ->
tk_Principal.
object_reference(Id, Name) ->
{tk_objref, Id, Name}.
struct(Id, Name, ElementList) ->
{tk_struct, Id, Name, ElementList}.
union(Id, Name, DiscrTC, Default, ElementList) ->
{tk_union, Id, Name, DiscrTC, Default, ElementList}.
enum(Id, Name, ElementList) ->
{tk_enum, Id, Name, ElementList}.
string(Length) ->
{tk_string, Length}.
wstring(Length) ->
{tk_wstring, Length}.
sequence(ElemTC, Length) ->
{tk_sequence, ElemTC, Length}.
array(ElemTC, Length) ->
{tk_array, ElemTC, Length}.
alias(Id, Name, TC) ->
{tk_alias, Id, Name, TC}.
exception(Id, Name, ElementList) ->
{tk_except, Id, Name, ElementList}.
fixed(Digits, Scale) ->
{tk_fixed, Digits, Scale}.
value(RepId, Name, ValueModifier, TC, ElementList) ->
{tk_value, RepId, Name, ValueModifier, TC, ElementList}.
value_box(RepId, Name, TC) ->
{tk_value_box, RepId, Name, TC}.
native(RepId, Name) ->
{tk_native, RepId, Name}.
abstract_interface(RepId, Name) ->
{tk_abstract_interface, RepId, Name}.
%%-----------------------------------------------------------------
%% Get TypeCode (can be used for constructed types like structs,
%% unions and exceptions)
%%
get_tc(T) when is_tuple(T) ->
Type = element(1, T),
case catch Type:tc() of
{'EXIT', R} ->
orber:dbg("[~p] ~p:get_tc(~p); Exit: ~p",
[?LINE, ?MODULE, T, R], ?DEBUG_LEVEL),
corba:raise(#'BAD_PARAM'{completion_status=?COMPLETED_NO});
X ->
X
end;
%% This call can be used if one have the IFR id and wants a typecode.
get_tc(IFRId) when is_list(IFRId) ->
Rep = orber_ifr:find_repository(),
Def = orber_ifr:lookup_id(Rep, IFRId),
Descr = orber_ifr:describe(Def),
TypeDescr = Descr#contained_description.value,
TypeDescr#typedescription.type.
%%-----------------------------------------------------------------
%% Check TypeCode format
%%
check_tc('tk_null') -> true;
check_tc('tk_void') -> true;
check_tc('tk_short') -> true;
check_tc('tk_ushort') -> true;
check_tc('tk_long') -> true;
check_tc('tk_ulong') -> true;
check_tc('tk_longlong') -> true;
check_tc('tk_ulonglong') -> true;
check_tc('tk_float') -> true;
check_tc('tk_double') -> true;
check_tc('tk_longdouble') -> true;
check_tc('tk_boolean') -> true;
check_tc('tk_char') -> true;
check_tc('tk_wchar') -> true;
check_tc('tk_octet') -> true;
check_tc('tk_any') -> true;
check_tc('tk_TypeCode') -> true;
check_tc('tk_Principal') -> true;
check_tc({'tk_objref', RepId, Name}) when is_list(RepId) andalso
is_list(Name) -> true;
check_tc({'tk_struct', RepId, Name, ElementList}) when is_list(RepId) andalso
is_list(Name) ->
Fun = fun(X) ->
case X of
{MemberName, MemberTC} when is_list(MemberName) ->
check_tc(MemberTC);
_ ->
false
end
end,
lists:all(Fun, ElementList);
check_tc({'tk_union', RepId, Name, DiscrTC,
Default, ElementList}) when is_list(RepId) andalso
is_list(Name) andalso
is_integer(Default) ->
case check_tc(DiscrTC) of
false ->
false;
true ->
Fun = fun(X) ->
case X of
{_, MemberName, MemberTC} when
is_list(MemberName) ->
check_tc(MemberTC);
_ ->
false
end
end,
lists:all(Fun, ElementList)
end;
check_tc({'tk_enum', RepId, Name, ElementList}) when is_list(RepId) andalso
is_list(Name) ->
Fun = fun(X) ->
if
is_list(X) ->
true;
true ->
false
end
end,
lists:all(Fun, ElementList);
check_tc({'tk_string', MaxLength}) when is_integer(MaxLength) -> true;
check_tc({'tk_wstring', MaxLength}) when is_integer(MaxLength) -> true;
check_tc({'tk_fixed', Digits, Scale}) when is_integer(Digits) andalso
is_integer(Scale) -> true;
check_tc({'tk_sequence', ElemTC, MaxLength}) when is_integer(MaxLength) ->
check_tc(ElemTC);
check_tc({'tk_array', ElemTC, Length}) when is_integer(Length) ->
check_tc(ElemTC);
check_tc({'tk_alias', RepId, Name, TC}) when is_list(RepId) andalso
is_list(Name) ->
check_tc(TC);
check_tc({'tk_except', RepId, Name, ElementList}) when is_list(RepId) andalso
is_list(Name) ->
Fun = fun(X) ->
case X of
{MemberName, TC} when is_list(MemberName) ->
check_tc(TC);
_ ->
false
end
end,
lists:all(Fun, ElementList);
check_tc({'tk_value', RepId, Name, ValueModifier,
TC, ElementList}) when is_list(RepId) andalso
is_list(Name) andalso
is_integer(ValueModifier) ->
case check_tc(TC) of
false ->
false;
true ->
Fun = fun(X) ->
case X of
{MemberName, MemberTC, Visibility} when
is_list(MemberName) andalso is_integer(Visibility) ->
check_tc(MemberTC);
_ ->
false
end
end,
lists:all(Fun, ElementList)
end;
check_tc({'tk_value_box', RepId, Name, TC}) when is_list(RepId) andalso
is_list(Name) ->
check_tc(TC);
check_tc({'tk_native', RepId, Name}) when is_list(RepId) andalso
is_list(Name) -> true;
check_tc({'tk_abstract_interface', RepId, Name}) when is_list(RepId) andalso
is_list(Name) -> true;
check_tc({'none', Indirection}) when is_integer(Indirection) -> true;
check_tc(_) -> false.
