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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: viewnode.hxx,v $
* $Revision: 1.6 $
*
* 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.
*
************************************************************************/
#ifndef CONFIGMGR_VIEWNODE_HXX_
#define CONFIGMGR_VIEWNODE_HXX_
#include "treeimpl.hxx"
#include "valuenodeaccess.hxx"
#include "groupnodeaccess.hxx"
namespace configmgr
{
//-----------------------------------------------------------------------------
namespace configuration
{
class Name;
struct ElementTreeData;
}
//-----------------------------------------------------------------------------
namespace view
{
//-------------------------------------------------------------------------
using configuration::Name;
//-------------------------------------------------------------------------
struct Tree // is a tree fragment
{
typedef configuration::TreeImpl TreeData;
Tree(TreeData& _ref)
: m_addr(&_ref)
{}
// low-level access
// TreeData* operator->() const { return m_addr; }
TreeData* get_impl() const
{ return m_addr; }
private:
TreeData * m_addr; // has a TreeAddress or NodeAddress
};
//-------------------------------------------------------------------------
struct Node
{
typedef configuration::NodeOffset NodeOffset;
typedef configuration::NodeData NodeData;
typedef configuration::NodeImpl * NodeAddress;
Node(Tree const& _tree, NodeData* _addr)
: m_tree(_tree), m_addr(_addr)
{}
Node(Tree::TreeData& _ref, NodeOffset _offs)
: m_tree(_ref), m_addr( _ref.nodeData(_offs))
{}
bool is() const { return m_addr != 0; }
Node getParent() const;
bool isSetNode() const { return is() && data().isSetNode(); }
bool isGroupNode() const { return is() && data().isGroupNode(); }
bool isValueNode() const { return is() && data().isValueElementNode(); }
// low-level access
// NodeAddress operator->() const { return &data().nodeImpl(); }
NodeData& data() const { return *m_addr; }
NodeAddress get_impl() const
{ return is() ? &data().nodeImpl() : NULL; }
NodeOffset get_offset() const
{ return is() ? m_tree.get_impl()->nodeOffset( this->data() ) : 0; }
Tree tree() const // has a Tree
{ return m_tree; }
data::NodeAccess getAccessRef() const; // has a NodeAccess
private:
Tree m_tree; // has a Tree + Accessor
NodeData* m_addr; // has a NodeAddress
};
//-------------------------------------------------------------------------
struct ValueNode // has/is a Node
{
typedef configuration::ValueElementNodeImpl NodeType;
Node m_node;
explicit
ValueNode(Node const& _node)
: m_node(_node)
{}
bool is() const { return m_node.isValueNode(); }
// low-level access
// NodeType* operator->() const { return &m_node.data().valueElementImpl(); }
NodeType* get_impl() const
{ return is() ? &m_node.data().valueElementImpl() : NULL; }
Node node() const // has a Node
{ return m_node; }
Tree tree() const // has a Tree
{ return m_node.tree(); }
};
//-------------------------------------------------------------------------
struct GroupNode // has/is a Node
{
typedef configuration::GroupNodeImpl NodeType;
Node m_node;
explicit
GroupNode(Node const& _node)
: m_node(_node)
{}
bool is() const { return m_node.isGroupNode(); }
Node findChild(configuration::Name const& _aName) const;
Node getFirstChild() const;
Node getNextChild(Node const& _aAfterNode) const;
// NodeType* operator->() const { return &m_node.data().groupImpl(); }
NodeType* get_impl() const
{ return is() ? &m_node.data().groupImpl() : NULL; }
Node node() const // has a Node
{ return m_node; }
Tree tree() const // has a Tree
{ return m_node.tree(); }
data::GroupNodeAccess getAccess() const; // has a NodeAccess
};
//-------------------------------------------------------------------------
struct SetNode // has/is a Node
{
typedef configuration::SetNodeImpl NodeType;
typedef configuration::ElementTreeData Element;
Node m_node;
explicit
SetNode(Node const& _node)
: m_node(_node)
{}
bool is() const { return m_node.isSetNode(); }
// NodeType* operator->() const { return &m_node.data().setImpl(); }
NodeType* get_impl() const
{ return is() ? &m_node.data().setImpl() : 0; }
Node node() const // has a Node
{ return m_node; }
Tree tree() const // has a Tree
{ return m_node.tree(); }
data::SetNodeAccess getAccess() const; // has a NodeAccess
};
//-------------------------------------------------------------------------
inline
Node getRootNode(Tree const & _aTree)
{
Tree::TreeData* pTreeData = _aTree.get_impl();
return Node(_aTree,pTreeData->nodeData(pTreeData->root_()));
}
//-------------------------------------------------------------------------
inline
Name getSimpleRootName(Tree const & _aTree)
{
Tree::TreeData* pTreeData = _aTree.get_impl();
return pTreeData->getSimpleRootName();
}
//-------------------------------------------------------------------------
inline
bool isValidNode(Node const & _aNode)
{
Tree::TreeData* pTreeData = _aNode.tree().get_impl();
return pTreeData->isValidNode(_aNode.get_offset());
}
//-------------------------------------------------------------------------
inline
Name getSimpleNodeName(Node const & _aNode)
{
Tree::TreeData* pTreeData = _aNode.tree().get_impl();
return pTreeData->getSimpleNodeName(_aNode.get_offset());
}
//-------------------------------------------------------------------------
extern
rtl::Reference< view::ViewStrategy > getViewBehavior(Tree const & _aTree);
//-------------------------------------------------------------------------
}
//-----------------------------------------------------------------------------
}
//-----------------------------------------------------------------------------
#endif // CONFIGMGR_VIEWNODE_HXX_
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