| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT ncurses Binding -- |
| -- -- |
| -- Terminal_Interface.Curses.Forms.Field_Types.Enumeration -- |
| -- -- |
| -- B O D Y -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| -- Copyright (c) 1998 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: 1.7 $ |
| -- 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 (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 (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 (I); |
| exit when P = Null_Ptr; |
| Free (P); |
| Enum.Arr (I) := Null_Ptr; |
| I := I + 1; |
| end loop; |
| Enum.Arr := null; |
| end Release; |
| |
| procedure Set_Field_Type (Fld : in Field; |
| Typ : in Enumeration_Field) |
| is |
| C_Enum_Type : C_Field_Type; |
| pragma Import (C, C_Enum_Type, "TYPE_ENUM"); |
| |
| function Set_Fld_Type (F : Field := Fld; |
| Cft : C_Field_Type := C_Enum_Type; |
| Arg1 : chars_ptr_array; |
| Arg2 : C_Int; |
| Arg3 : C_Int) return C_Int; |
| pragma Import (C, Set_Fld_Type, "set_field_type"); |
| |
| Res : Eti_Error; |
| begin |
| if Typ.Arr = null then |
| raise Form_Exception; |
| end if; |
| Res := 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))); |
| if Res /= E_Ok then |
| Eti_Exception (Res); |
| end if; |
| Wrap_Builtin (Fld, Typ, C_Choice_Router); |
| end Set_Field_Type; |
| |
| end Terminal_Interface.Curses.Forms.Field_Types.Enumeration; |
