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-----------------------------------------------------------------------
-- XML/Ada - An XML suite for Ada95 --
-- --
-- Copyright (C) 2001-2002 --
-- ACT-Europe --
-- --
-- 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. --
-----------------------------------------------------------------------
with DOM.Core.Nodes; use DOM.Core.Nodes;
with DOM.Core.Attrs; use DOM.Core.Attrs;
with DOM.Core.Documents; use DOM.Core.Documents;
package body DOM.Core.Elements is
-------------------
-- Get_Attribute --
-------------------
function Get_Attribute (Elem : Element; Name : DOM_String)
return DOM_String
is
Att : constant Attr := Get_Named_Item (Elem.Attributes, Name);
begin
if Att /= null then
return Node_Value (Att);
else
return "";
end if;
end Get_Attribute;
----------------------
-- Get_Attribute_NS --
----------------------
function Get_Attribute_NS
(Elem : Element; Namespace_URI : DOM_String; Local_Name : DOM_String)
return DOM_String
is
Att : constant Attr := Get_Named_Item_NS
(Elem.Attributes, Namespace_URI, Local_Name);
begin
if Att /= null then
return Node_Value (Att);
else
return "";
end if;
end Get_Attribute_NS;
-------------------
-- Set_Attribute --
-------------------
procedure Set_Attribute
(Elem : Element; Name : DOM_String; Value : DOM_String)
is
Att : constant Attr := Create_Attribute (Owner_Document (Elem), Name);
begin
Set_Value (Att, Value);
Set_Named_Item (Elem.Attributes, Att);
end Set_Attribute;
----------------------
-- Set_Attribute_NS --
----------------------
procedure Set_Attribute_NS
(Elem : Element;
Namespace_URI : DOM_String;
Qualified_Name : DOM_String;
Value : DOM_String)
is
Att : constant Attr := Create_Attribute_NS
(Owner_Document (Elem), Namespace_URI, Qualified_Name);
begin
Set_Value (Att, Value);
Set_Named_Item_NS (Elem.Attributes, Att);
end Set_Attribute_NS;
----------------------
-- Remove_Attribute --
----------------------
procedure Remove_Attribute (Elem : Element; Name : DOM_String) is
begin
Remove_Named_Item (Elem.Attributes, Name);
end Remove_Attribute;
-------------------------
-- Remove_Attribute_NS --
-------------------------
procedure Remove_Attribute_NS
(Elem : Element; Namespace_URI : DOM_String; Local_Name : DOM_String) is
begin
Remove_Named_Item_NS (Elem.Attributes, Namespace_URI, Local_Name);
end Remove_Attribute_NS;
------------------------
-- Get_Attribute_Node --
------------------------
function Get_Attribute_Node (Elem : Element; Name : DOM_String)
return Attr is
begin
return Get_Named_Item (Elem.Attributes, Name);
end Get_Attribute_Node;
---------------------------
-- Get_Attribute_Node_Ns --
---------------------------
function Get_Attribute_Node_NS
(Elem : Element; Namespace_URI : DOM_String; Local_Name : DOM_String)
return Attr is
begin
return Get_Named_Item_NS (Elem.Attributes, Namespace_URI, Local_Name);
end Get_Attribute_Node_NS;
------------------------
-- Set_Attribute_Node --
------------------------
function Set_Attribute_Node (Elem : Element; New_Attr : Attr) return Attr is
begin
if Owner_Element (New_Attr) /= null then
raise Inuse_Attribute_Err;
end if;
Set_Named_Item (Elem.Attributes, New_Attr);
return New_Attr;
end Set_Attribute_Node;
---------------------------
-- Set_Attribute_Node_NS --
---------------------------
function Set_Attribute_Node_NS (Elem : Element; New_Attr : Attr)
return Attr is
begin
if Owner_Element (New_Attr) /= null then
raise Inuse_Attribute_Err;
end if;
Set_Named_Item_NS (Elem.Attributes, New_Attr);
return New_Attr;
end Set_Attribute_Node_NS;
---------------------------
-- Remove_Attribute_Node --
---------------------------
function Remove_Attribute_Node (Elem : Element; Old_Attr : Attr)
return Attr is
begin
pragma Assert (Owner_Element (Old_Attr) = Elem);
Remove_Named_Item (Elem.Attributes, Old_Attr);
return Old_Attr;
end Remove_Attribute_Node;
------------------------------
-- Remove_Attribute_Node_NS --
------------------------------
function Remove_Attribute_Node_NS (Elem : Element; Old_Attr : Attr)
return Attr renames Remove_Attribute_Node;
------------------------------
-- Get_Elements_By_Tag_Name --
------------------------------
function Get_Elements_By_Tag_Name (Elem : Element; Name : DOM_String := "*")
return Node_List
is
procedure Get_Elements_From_Node (N : Node; List : in out Node_List);
-- Depth search in N or its children/sibling for matching children.
----------------------------
-- Get_Elements_From_Node --
----------------------------
procedure Get_Elements_From_Node (N : Node; List : in out Node_List) is
L : constant Node_List := Child_Nodes (N);
begin
if N.Node_Type = Element_Node
and then (Name = "*" or else Node_Name (N) = Name)
then
Append (List, N);
end if;
for J in 0 .. L.Last loop
Get_Elements_From_Node (L.Items (J), List);
end loop;
end Get_Elements_From_Node;
L : Node_List;
begin
Get_Elements_From_Node (Elem, L);
return L;
end Get_Elements_By_Tag_Name;
---------------------------------
-- Get_Elements_By_Tag_Name_NS --
---------------------------------
function Get_Elements_By_Tag_Name_NS
(Elem : Element;
Namespace_URI : DOM_String := "*";
Local_Name : DOM_String := "*")
return Node_List
is
procedure Get_Elements_From_Node (N : Node; List : in out Node_List);
-- Depth search in N or its children/sibling for matching children.
----------------------------
-- Get_Elements_From_Node --
----------------------------
procedure Get_Elements_From_Node (N : Node; List : in out Node_List) is
L : constant Node_List := Child_Nodes (N);
begin
if N.Node_Type = Element_Node
and then (Namespace_URI = "*"
or else DOM.Core.Nodes.Namespace_URI (N) = Namespace_URI)
and then (Local_Name = "*"
or else DOM.Core.Nodes.Local_Name (N) = Local_Name)
then
Append (List, N);
end if;
for J in 0 .. L.Last loop
Get_Elements_From_Node (L.Items (J), List);
end loop;
end Get_Elements_From_Node;
L : Node_List;
begin
Get_Elements_From_Node (Elem, L);
return L;
end Get_Elements_By_Tag_Name_NS;
end DOM.Core.Elements;
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