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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: valueref.hxx,v $
*
* $Revision: 1.4 $
*
* last change: $Author: rt $ $Date: 2005-09-08 04:02:40 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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
*
************************************************************************/
#ifndef CONFIGMGR_CONFIGVALUEREF_HXX_
#define CONFIGMGR_CONFIGVALUEREF_HXX_
#ifndef CONFIGMGR_CONFIGNODE_HXX_
#include "noderef.hxx"
#endif
namespace configmgr
{
namespace node { struct Attributes; }
namespace configuration
{
//-------------------------------------------------------------------------
class Name;
//-------------------------------------------------------------------------
namespace argument { struct NoValidate; }
typedef com::sun::star::uno::Type UnoType;
typedef com::sun::star::uno::Any UnoAny;
//-------------------------------------------------------------------------
class TreeImpl;
typedef unsigned int NodeOffset;
//-------------------------------------------------------------------------
/// represents a value node in some tree
class ValueRef
{
public:
/// constructs an empty (invalid) node
ValueRef();
/// copy a node (with reference semantics)
ValueRef(ValueRef const& rOther);
/// copy a node (with reference semantics)
ValueRef& operator=(ValueRef const& rOther);
void swap(ValueRef& rOther);
~ValueRef();
/// checks, if this represents an existing node
inline bool isValid() const;
private:
friend class Tree;
friend class TreeImplHelper;
ValueRef(Name const& aName, NodeOffset nParentPos);
bool checkValidState() const;
private:
Name m_sNodeName;
NodeOffset m_nParentPos;
};
//-------------------------------------------------------------------------
/** extract the value from a plain value
*/
inline
UnoAny getSimpleValue(Tree const& aTree, ValueRef const& aNode)
{ return aTree.getNodeValue( aNode ); }
//-------------------------------------------------------------------------
inline bool ValueRef::isValid() const
{
OSL_ASSERT( m_nParentPos == 0 || checkValidState() );
return m_nParentPos != 0;
}
//-------------------------------------------------------------------------
class SubNodeID
{
public:
static SubNodeID createEmpty() { return SubNodeID(); }
SubNodeID(Tree const& rTree, ValueRef const& rNode);
SubNodeID(Tree const& rTree, NodeRef const& rParentNode, Name const& aName);
SubNodeID(TreeRef const& rTree, NodeRef const& rParentNode, Name const& aName);
SubNodeID(NodeID const& rParentNodeID, Name const& aName);
// comparison
// equality
friend bool operator==(SubNodeID const& lhs, SubNodeID const& rhs)
{ return lhs.m_aParentID == rhs.m_aParentID && lhs.m_sNodeName == rhs.m_sNodeName; }
// ordering
friend bool operator < (SubNodeID const& lhs, SubNodeID const& rhs);
// checking
bool isEmpty() const;
// checking
bool isValidNode(data::Accessor const& _accessor) const;
// hashing
size_t hashCode() const;
// containing node this
NodeID getParentID() const { return m_aParentID; }
// containing node this
Name getNodeName() const { return m_sNodeName; }
private:
SubNodeID(); // create an empty one
friend class TreeImplHelper;
Name m_sNodeName;
NodeID m_aParentID;
};
//-------------------------------------------------------------------------
typedef std::vector<SubNodeID> SubNodeIDList;
void getAllChildrenHelper(data::Accessor const& _aAccessor, NodeID const& aNode, SubNodeIDList& aList);
//-------------------------------------------------------------------------
inline bool operator!=(SubNodeID const& lhs, SubNodeID const& rhs)
{ return !(lhs == rhs); }
//---------------------------------------------------------------------
inline bool operator>=(SubNodeID const& lhs, SubNodeID const& rhs)
{ return !(lhs < rhs); }
//---------------------------------------------------------------------
inline bool operator > (SubNodeID const& lhs, SubNodeID const& rhs)
{ return (rhs < lhs); }
inline bool operator<=(SubNodeID const& lhs, SubNodeID const& rhs)
{ return !(rhs < lhs); }
//-------------------------------------------------------------------------
}
}
#endif // CONFIGMGR_CONFIGVALUENODE_HXX_
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