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------------------------------------------------------------------------------
-- --
-- GNAT ncurses Binding --
-- --
-- Terminal_Interface.Curses.Forms.Field_Types.Enumeration --
-- --
-- B O D Y --
-- --
------------------------------------------------------------------------------
-- Copyright (c) 1998-2011,2014 Free Software Foundation, Inc. --
-- --
-- Permission is hereby granted, free of charge, to any person obtaining a --
-- copy of this software and associated documentation files (the --
-- "Software"), to deal in the Software without restriction, including --
-- without limitation the rights to use, copy, modify, merge, publish, --
-- distribute, distribute with modifications, sublicense, and/or sell --
-- copies of the Software, and to permit persons to whom the Software is --
-- furnished to do so, subject to the following conditions: --
-- --
-- The above copyright notice and this permission notice shall be included --
-- in all copies or substantial portions of the Software. --
-- --
-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS --
-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF --
-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. --
-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, --
-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR --
-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR --
-- THE USE OR OTHER DEALINGS IN THE SOFTWARE. --
-- --
-- Except as contained in this notice, the name(s) of the above copyright --
-- holders shall not be used in advertising or otherwise to promote the --
-- sale, use or other dealings in this Software without prior written --
-- authorization. --
------------------------------------------------------------------------------
-- Author: Juergen Pfeifer, 1996
-- Version Control:
-- $Revision: 1.12 $
-- Binding Version 01.00
------------------------------------------------------------------------------
with Ada.Unchecked_Deallocation;
with Interfaces.C; use Interfaces.C;
with Interfaces.C.Strings; use Interfaces.C.Strings;
with Terminal_Interface.Curses.Aux; use Terminal_Interface.Curses.Aux;
package body Terminal_Interface.Curses.Forms.Field_Types.Enumeration is
function Create (Info : Enumeration_Info;
Auto_Release_Names : Boolean := False)
return Enumeration_Field
is
procedure Release_String is
new Ada.Unchecked_Deallocation (String,
String_Access);
E : Enumeration_Field;
L : constant size_t := 1 + size_t (Info.C);
S : String_Access;
begin
E.Case_Sensitive := Info.Case_Sensitive;
E.Match_Must_Be_Unique := Info.Match_Must_Be_Unique;
E.Arr := new chars_ptr_array (size_t (1) .. L);
for I in 1 .. Positive (L - 1) loop
if Info.Names (I) = null then
raise Form_Exception;
end if;
E.Arr.all (size_t (I)) := New_String (Info.Names (I).all);
if Auto_Release_Names then
S := Info.Names (I);
Release_String (S);
end if;
end loop;
E.Arr.all (L) := Null_Ptr;
return E;
end Create;
procedure Release (Enum : in out Enumeration_Field)
is
I : size_t := 0;
P : chars_ptr;
begin
loop
P := Enum.Arr.all (I);
exit when P = Null_Ptr;
Free (P);
Enum.Arr.all (I) := Null_Ptr;
I := I + 1;
end loop;
Enum.Arr := null;
end Release;
procedure Set_Field_Type (Fld : Field;
Typ : Enumeration_Field)
is
function Set_Fld_Type (F : Field := Fld;
Arg1 : chars_ptr_array;
Arg2 : C_Int;
Arg3 : C_Int) return Eti_Error;
pragma Import (C, Set_Fld_Type, "set_field_type_enum");
begin
if Typ.Arr = null then
raise Form_Exception;
end if;
Eti_Exception
(Set_Fld_Type
(Arg1 => Typ.Arr.all,
Arg2 => C_Int (Boolean'Pos (Typ.Case_Sensitive)),
Arg3 => C_Int (Boolean'Pos (Typ.Match_Must_Be_Unique))));
Wrap_Builtin (Fld, Typ, C_Choice_Router);
end Set_Field_Type;
end Terminal_Interface.Curses.Forms.Field_Types.Enumeration;