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Diffstat (limited to 'Ada95/samples/sample-my_field_type.adb')
| -rw-r--r-- | Ada95/samples/sample-my_field_type.adb | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/Ada95/samples/sample-my_field_type.adb b/Ada95/samples/sample-my_field_type.adb new file mode 100644 index 000000000000..e0d6f6732d12 --- /dev/null +++ b/Ada95/samples/sample-my_field_type.adb @@ -0,0 +1,68 @@ +------------------------------------------------------------------------------ +-- -- +-- 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; |