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-- XML/Ada - An XML suite for Ada95 --
-- --
-- Copyright (C) 2001-2014, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or modify it --
-- under terms of the GNU General Public License as published by the Free --
-- Software Foundation; either version 3, 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 MERCHAN- --
-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- --
-- --
-- --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
------------------------------------------------------------------------------
pragma Ada_05;
with Sax.Readers; use Sax.Readers;
with Sax.Exceptions;
with Sax.Symbols;
with Sax.Utils;
with Unicode.CES;
with DOM.Core; use DOM.Core;
package DOM.Readers is
type Tree_Reader is new Sax_Reader with private;
type Tree_Reader_Access is access all Tree_Reader'Class;
-- Special SAX Reader that creates a DOM tree in its callbacks.
-- Note that in case of a fatal error, it is your responsability to
-- free the tree, since it is left in the state it was when the error
-- was raised (for post-death analysis, if required).
function Get_Tree (Read : Tree_Reader) return Document;
-- The document created on the fly by the reader
function Current_Node (Read : Tree_Reader) return Node;
-- The last node created by Start_Element. This function is useful when
-- you want to override Start_Element or Characters to do your own
-- specific changes.
procedure Free (Read : in out Tree_Reader);
-- Free the memory associated with the reader, in particular the tree
procedure Set_Warnings_As_Errors
(Read : in out Tree_Reader; Warnings_As_Error : Boolean);
-- iF Warnings_As_Error is True, then all warnings will raise a fatal error
-- exception, just like a fatal error. Otherwise, warnings are ignored.
overriding procedure Start_Document (Handler : in out Tree_Reader);
overriding procedure Start_Element
(Handler : in out Tree_Reader;
NS : Sax.Utils.XML_NS;
Local_Name : Sax.Symbols.Symbol;
Atts : Sax.Readers.Sax_Attribute_List);
overriding procedure End_Element
(Handler : in out Tree_Reader;
NS : Sax.Utils.XML_NS;
Local_Name : Sax.Symbols.Symbol);
overriding procedure Characters
(Handler : in out Tree_Reader;
Ch : Unicode.CES.Byte_Sequence);
overriding procedure Ignorable_Whitespace
(Handler : in out Tree_Reader;
Ch : Unicode.CES.Byte_Sequence);
overriding procedure Processing_Instruction
(Handler : in out Tree_Reader;
Target : Unicode.CES.Byte_Sequence;
Data : Unicode.CES.Byte_Sequence);
overriding procedure Start_DTD
(Handler : in out Tree_Reader;
Name : Unicode.CES.Byte_Sequence;
Public_Id : Unicode.CES.Byte_Sequence := "";
System_Id : Unicode.CES.Byte_Sequence := "");
overriding procedure End_DTD (Handler : in out Tree_Reader);
overriding procedure Comment
(Handler : in out Tree_Reader;
Comment : Unicode.CES.Byte_Sequence);
overriding procedure Error
(Handler : in out Tree_Reader;
Except : Sax.Exceptions.Sax_Parse_Exception'Class);
overriding procedure Warning
(Handler : in out Tree_Reader;
Except : Sax.Exceptions.Sax_Parse_Exception'Class);
-- See inherited documentation
private
type Tree_Reader is new Reader with record
Tree : Document;
Current_Node : Node;
Internal_Encoding : Unicode.CES.Encoding_Scheme;
In_DTD : Boolean := False;
Warnings_As_Error : Boolean := False;
end record;
end DOM.Readers;
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