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xmlada/dom/dom-core-elements.ads
Emmanuel Briot 53dc51bf5c Update copyright notices
Change-Id: Iae1283292b460ead48dedc565d6f24259e497e69
2017-01-03 10:02:38 +01:00

157 lines
6.6 KiB
Ada

------------------------------------------------------------------------------
-- XML/Ada - An XML suite for Ada95 --
-- --
-- Copyright (C) 2001-2017, 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. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception, --
-- version 3.1, as published by the Free Software Foundation. --
-- --
-- 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/>. --
-- --
------------------------------------------------------------------------------
with DOM.Core.Nodes; use DOM.Core.Nodes;
package DOM.Core.Elements is
function Get_Tag_Name (Elem : Element) return DOM_String
renames DOM.Core.Nodes.Node_Name;
-- Return the tag of the element
--------------------------
-- Attributes by string --
--------------------------
function Get_Attribute (Elem : Element; Name : DOM_String)
return DOM_String;
-- Return the value of a specific attribute, or the empty string if the
-- attribute is unknown and doesn't have a default value.
-- Use Get_Attribute_NS for a namespace-compatible version.
function Get_Attribute_NS
(Elem : Element; Namespace_URI : DOM_String; Local_Name : DOM_String)
return DOM_String;
-- Like Get_Attribute but provides namespace support
procedure Set_Attribute
(Elem : Element; Name : DOM_String; Value : DOM_String);
-- Set the value of a specific attribute. The attribute is created if it
-- doesn't exist yet.
-- Note that Value is not parsed, thus any entity markup will not be
-- expanded. Use Set_Attribute_Node if you need to create an attribute
-- that contains an entity reference.
-- Use Set_Attribute_NS for a namespace-compatible version.
-- Invalid_Character_Err raised if Name contains an illegal character.
procedure Set_Attribute_NS
(Elem : Element;
Namespace_URI : DOM_String;
Qualified_Name : DOM_String;
Value : DOM_String);
-- Like Set_Attribute, but provides namespace support
procedure Remove_Attribute (Elem : Element; Name : DOM_String);
-- Remove an attribute by name. If there is a defaul value for that
-- attribute, it is reset.
-- Use Remove_Attribute_NS for a namespace-compatible version.
procedure Remove_Attribute_NS
(Elem : Element; Namespace_URI : DOM_String; Local_Name : DOM_String);
-- Like Remove_Attribute, but provides namespace support
procedure Set_Id_Attribute
(Elem : Element;
Name : DOM_String;
Is_Id : Boolean);
-- If the parameter is_Id is true, this method declares the specified
-- attribute to be a user-determined ID attribute.
-- This affects the behavior of Document.Get_Element_By_Id.
-- Not_Found_Err is raised if the specified node is not an attribute of
-- Elem.
-- No_Modification_Allowed_Err is raised if the node is readonly
--
-- Introduced in DOM 3.0
procedure Set_Id_Attribute_NS
(Elem : Element;
Namespace_URI : DOM_String;
Local_Name : DOM_String;
Is_Id : Boolean);
-- Same as Set_Id_Attribute, with handling of namespaces.
--
-- Introduced in DOM 3.0
------------------------
-- Attributes by node --
------------------------
function Get_Attribute_Node (Elem : Element; Name : DOM_String) return Attr;
-- Return the attribute node for a specific name
function Get_Attribute_Node_NS
(Elem : Element; Namespace_URI : DOM_String; Local_Name : DOM_String)
return Attr;
-- Like Get_Attribute_Node but provides namespace support
function Set_Attribute_Node (Elem : Element; New_Attr : Attr) return Attr;
-- Set or override a given attribute.
-- Inuse_Attribute_Err raised if New_Attr belongs to another element
function Set_Attribute_Node_NS (Elem : Element; New_Attr : Attr)
return Attr;
-- Like Set_Attribute, but provides namespace support
function Remove_Attribute_Node (Elem : Element; Old_Attr : Attr)
return Attr;
-- Remove an attribute, and return it.
-- If Old_Attr doesn't belong to Elem, null is returned.
function Remove_Attribute_Node_NS (Elem : Element; Old_Attr : Attr)
return Attr;
-- Like Remove_Attribute, but provides namespace support
procedure Set_Id_Attribute_Node
(Elem : Element; Id_Attr : Attr; Is_Id : Boolean);
-- If the parameter is_Id is true, this method declares the specified
-- attribute to be a user-determined ID attribute.
-- This affects the behavior of Document.Get_Element_By_Id.
-- Not_Found_Err is raised if the specified node is not an attribute of
-- Elem.
-- No_Modification_Allowed_Err is raised if the node is readonly
--
-- Introduced in DOM 3.0
--------------
-- Elements --
--------------
function Get_Elements_By_Tag_Name (Elem : Element; Name : DOM_String := "*")
return Node_List;
-- Returns a NodeList of all descendant elements with a given tag name,
-- in the order in which they would be encountered in a preorder traversal
-- of the Element tree.
-- The special value "*" matches all tags.
-- You must free the returned list.
function Get_Elements_By_Tag_Name_NS
(Elem : Element;
Namespace_URI : DOM_String := "*";
Local_Name : DOM_String := "*")
return Node_List;
-- Same as Get_Elements_By_Tag_Name, but provides namespacesupport.
-- "*" matches all namespaces or all local_names.
-- You must free the returned list.
end DOM.Core.Elements;