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XMLComponentAdapter.hxx
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/*
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* Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
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* UNIVERSITAT POMPEU FABRA
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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// Class XMLComponentAdapter
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//
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#ifndef _XMLComponentAdapter_h
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#define _XMLComponentAdapter_h
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#include "
BasicXMLable.hxx
"
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#include "
Component.hxx
"
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#include "
Assert.hxx
"
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namespace
CLAM {
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class
XMLComponentAdapter
:
public
BasicXMLable
,
public
Component
{
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// Internal Types
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public
:
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typedef
BasicXMLable
super
;
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// Attributes
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private
:
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Component
&myAdaptee;
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// Construction/Destruction
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public
:
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template
<
class
T>
XMLComponentAdapter
(
const
T & adaptee,
const
char
* name=
NULL
,
bool
isXMLElement=
false
)
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:
BasicXMLable
(name, isXMLElement), myAdaptee(const_cast<T&>(adaptee))
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{
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CLAM_ASSERT
(!name||isXMLElement,
"Adapting a component as attribute is useless"
);
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}
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virtual
~XMLComponentAdapter
() {};
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// Accessors (for XMLable interface)
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public
:
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//* @return The XML content: an empty string.
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virtual
std::string
XMLContent
()
const
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{
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return
""
;
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}
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//* Extracts the content from the stream.
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virtual
bool
XMLContent
(std::istream & str)
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{
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return
true
;
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}
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//* Returns the class name
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const
char
*
GetClassName
()
const
{
return
"XMLComponentAdapter"
;}
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// Operators (for Component interface)
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public
:
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virtual
void
StoreOn
(
Storage
& store)
const
{
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myAdaptee.
StoreOn
(store);
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};
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virtual
void
LoadFrom
(
Storage
& store) {
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myAdaptee.
LoadFrom
(store);
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};
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// Testing
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public
:
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//* Check the internal status for a class instance is valid
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bool
FulfilsInvariant
();
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};
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}
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#endif//_XMLComponentAdapter_h
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