File : dom-core.adb
-----------------------------------------------------------------------
-- XML/Ada - An XML suite for Ada95 --
-- --
-- Copyright (C) 2001 --
-- ACT-Europe --
-- Author: Emmanuel Briot --
-- --
-- This library 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 library 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 library; if not, write to the --
-- Free Software Foundation, Inc., 59 Temple Place - Suite 330, --
-- Boston, MA 02111-1307, USA. --
-- --
-- As a special exception, if other files instantiate generics from --
-- this unit, or you link this unit with other files to produce an --
-- executable, this unit does not by itself cause the resulting --
-- executable to be covered by the GNU General Public License. This --
-- exception does not however invalidate any other reasons why the --
-- executable file might be covered by the GNU Public License. --
-----------------------------------------------------------------------
package body DOM.Core is
---------------------
-- Create_Document --
---------------------
function Create_Document
(Implementation : DOM_Implementation;
NameSpace_URI : DOM_String := "";
Qualified_Name : DOM_String := "";
Doc_Type : Node := null) return Node is
begin
pragma Assert
(Doc_Type = null or else Doc_Type.Node_Type = Document_Type_Node);
return new Node_Record'
(Node_Type => Document_Node,
Parent => null,
Doc_Children => Null_List,
Doc_Type => Doc_Type,
Implementation => Implementation);
end Create_Document;
-----------------
-- Has_Feature --
-----------------
function Has_Feature
(Implementation : DOM_Implementation;
Feature : DOM_String;
Version : String := "2.0") return Boolean is
begin
return Feature = "XML" and then Version = "2.0";
end Has_Feature;
------------
-- Append --
------------
procedure Append (List : in out Node_List; N : Node) is
Old : Node_Array_Access := List.Items;
begin
if Old = null or else Old'Last = List.Last then
List.Items := new Node_Array (0 .. List.Last + 5);
if Old /= null then
List.Items (0 .. List.Last) := Old.all;
Free (Old);
end if;
end if;
List.Last := List.Last + 1;
List.Items (List.Last) := N;
end Append;
------------
-- Remove --
------------
procedure Remove (List : in out Node_List; N : Node) is
begin
if List.Items = null or else List.Last = 0 then
Free (List.Items);
List.Last := -1;
else
for J in 0 .. List.Last loop
if List.Items (J) = N then
List.Items (J .. List.Last - 1) :=
List.Items (J + 1 .. List.Last);
List.Last := List.Last - 1;
return;
end if;
end loop;
end if;
end Remove;
----------
-- Free --
----------
procedure Free (List : in out Node_List) is
begin
Free (List.Items);
end Free;
end DOM.Core;