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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: nodeimpl.cxx,v $
* $Revision: 1.26 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_configmgr.hxx"
#include <stdio.h>
#include "nodeimpl.hxx"
#include "valuenodeimpl.hxx"
#include "groupnodeimpl.hxx"
#include "nodeaccess.hxx"
#include "valuenodeaccess.hxx"
#include "groupnodeaccess.hxx"
#include "nodevisitor.hxx"
#include "treeimpl.hxx"
#include "nodechange.hxx"
#include "nodechangeimpl.hxx"
#include "nodechangeinfo.hxx"
#include "change.hxx"
#include <osl/diagnose.h>
namespace configmgr
{
namespace configuration
{
// Specific types of nodes
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// class GroupNodeImpl
//-----------------------------------------------------------------------------
data::GroupNodeAccess GroupNodeImpl::getDataAccess() const
{
using namespace data;
NodeAccess aNodeAccess = getOriginalNodeAccess();
OSL_ASSERT(GroupNodeAccess::isInstance(aNodeAccess));
GroupNodeAccess aGroupAccess(aNodeAccess);
OSL_ASSERT(aGroupAccess.isValid());
return aGroupAccess;
}
//-----------------------------------------------------------------------------
GroupNodeImpl::GroupNodeImpl(data::GroupNodeAddress _pNodeRef)
: NodeImpl(reinterpret_cast<data::NodeAddress>(_pNodeRef))
, m_pCache( NULL )
{
}
//-----------------------------------------------------------------------------
bool GroupNodeImpl::areValueDefaultsAvailable() const
{
data::GroupNodeAccess aGroupAccess = getDataAccess();
return aGroupAccess.data().hasDefaultsAvailable();
}
//-----------------------------------------------------------------------------
ValueMemberNode GroupNodeImpl::makeValueMember(data::ValueNodeAccess const& _aNodeAccess)
{
return ValueMemberNode(_aNodeAccess);
}
//-----------------------------------------------------------------------------
data::ValueNodeAccess GroupNodeImpl::getOriginalValueNode(Name const& _aName) const
{
OSL_ENSURE( !_aName.isEmpty(), "Cannot get nameless child value");
using namespace data;
data::GroupNodeAccess aAccess = this->getDataAccess();
const rtl::OUString &rName = _aName.toString();
/*
fprintf (stderr, "GroupNodeImpl::GetOriginalValueNode %p '%s' ", this,
rtl::OUStringToOString(rName, RTL_TEXTENCODING_UTF8).getStr());
fprintf (stderr, "cache '%s'\n",
m_pCache ? rtl::OUStringToOString(m_pCache->getName(),
RTL_TEXTENCODING_UTF8).getStr()
: "<null>");
*/
if (m_pCache)
{
if (m_pCache->isNamed(rName))
return ValueNodeAccess( (ValueNodeAddress) m_pCache );
sharable::GroupNode & aNode = aAccess.data();
m_pCache = aNode.getNextChild(m_pCache);
if (m_pCache && m_pCache->isNamed(rName))
return ValueNodeAccess( (ValueNodeAddress) m_pCache );
m_pCache = NULL;
}
NodeAccess aChild = aAccess.getChildNode(_aName);
m_pCache = aChild;
// to do: investigate cache lifecycle more deeply.
return ValueNodeAccess(aChild);
}
//-----------------------------------------------------------------------------
// class ValueElementNodeImpl
//-----------------------------------------------------------------------------
data::ValueNodeAccess ValueElementNodeImpl::getDataAccess() const
{
using namespace data;
NodeAccess aNodeAccess = getOriginalNodeAccess();
OSL_ASSERT(ValueNodeAccess::isInstance(aNodeAccess));
ValueNodeAccess aValueAccess(aNodeAccess);
OSL_ASSERT(aValueAccess.isValid());
return aValueAccess;
}
//-----------------------------------------------------------------------------
ValueElementNodeImpl::ValueElementNodeImpl(data::ValueNodeAddress const& _aNodeRef)
: NodeImpl(reinterpret_cast<data::NodeAddress>(_aNodeRef))
{
}
//-----------------------------------------------------------------------------
UnoAny ValueElementNodeImpl::getValue() const
{
return getDataAccess().getValue();
}
//-----------------------------------------------------------------------------
UnoType ValueElementNodeImpl::getValueType() const
{
return getDataAccess().getValueType();
}
//-----------------------------------------------------------------------------
namespace
{
struct AbstractNodeCast : data::NodeVisitor
{
virtual Result handle( data::ValueNodeAccess const& /*rNode*/)
{
throw Exception( "INTERNAL ERROR: Node is not a value node. Cast failing." );
}
virtual Result handle( data::GroupNodeAccess const& /*rNode*/)
{
throw Exception( "INTERNAL ERROR: Node is not a group node. Cast failing." );
}
virtual Result handle( data::SetNodeAccess const& /*rNode*/)
{
return CONTINUE;
}
protected:
using NodeVisitor::handle;
};
template <class NodeType>
class NodeCast : AbstractNodeCast
{
public:
typedef typename NodeType::DataAccess DataNodeType;
NodeCast(NodeImpl& rOriginalNode)
: m_pNode(0)
{
if (this->visitNode(rOriginalNode.getOriginalNodeAccess()) == DONE)
m_pNode = static_cast<NodeType*>(&rOriginalNode);
}
NodeType& get() const
{
OSL_ENSURE(m_pNode,"INTERNAL ERROR: Node not set after Cast." );
return *m_pNode;
}
operator NodeType& () const { return get(); }
private:
virtual Result handle( DataNodeType& ) { return DONE; }
NodeType* m_pNode;
};
}
//-----------------------------------------------------------------------------
}
}
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