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-- `Topal': GPG/Pine integration
--
-- Copyright (C) 2001 Phillip J. Brooke
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; either version 2 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-- This package creates an instance of an array that expands.
generic
type Item is private;
package Expanding_Array is
type Big_Array is limited private;
procedure Create (Left : in out Big_Array;
Initial_Size : in Positive);
procedure Copy (Left : in out Big_Array;
Right : in Big_Array);
procedure Set(A : in out Big_Array;
Index : in Positive;
Value : in Item);
function Value(A : Big_Array;
Index : Positive) return Item;
function First (A : Big_Array) return Natural;
function Size (A : Big_Array) return Positive;
function Last (A : Big_Array) return Positive;
-- Increase the array by this much.
procedure Expand(A : in out Big_Array;
S : in Positive);
-- If an attempt is made to use Set for an index beyond Last, then the
-- array size will be doubled until it is large enough. So this call
-- should never need to be explicitly used.
private
type Actual_Array is array (Positive range <>) of Item;
type Actual_Array_Pointer is access Actual_Array;
type Big_Array is record
Actual : Actual_Array_Pointer;
Array_Size : Positive;
end record;
end Expanding_Array;
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