| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT ncurses Binding Samples -- |
| -- -- |
| -- Sample.My_Field_Type -- |
| -- -- |
| -- B O D Y -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| -- Copyright (c) 1998-2006,2008 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: 1.16 $ |
| -- $Date: 2008/07/26 18:47:58 $ |
| -- Binding Version 01.00 |
| ------------------------------------------------------------------------------ |
| |
| -- This is a very simple user defined field type. It accepts only a |
| -- defined character as input into the field. |
| -- |
| package body Sample.My_Field_Type is |
| |
| -- That's simple. There are minimal field validity checks. |
| function Field_Check (Fld : Field; |
| Typ : My_Data) return Boolean |
| is |
| begin |
| if Fld = Null_Field or Typ.Ch = Character'Val (0) then |
| return False; |
| end if; |
| return True; |
| end Field_Check; |
| |
| -- Check exactly against the specified character. |
| function Character_Check (Ch : Character; |
| Typ : My_Data) return Boolean |
| is |
| C : constant Character := Typ.Ch; |
| begin |
| return Ch = C; |
| end Character_Check; |
| |
| end Sample.My_Field_Type; |
