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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: valueref.hxx,v $
* $Revision: 1.7 $
*
* 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_CONFIGVALUEREF_HXX_
#define CONFIGMGR_CONFIGVALUEREF_HXX_
#include "noderef.hxx"
namespace configmgr
{
namespace node { struct Attributes; }
namespace configuration
{
//-------------------------------------------------------------------------
class Tree;
//-------------------------------------------------------------------------
/// represents a value node in some tree
class ValueRef
{
public:
/// constructs an empty (invalid) node
ValueRef();
ValueRef(rtl::OUString const& aName, unsigned int nParentPos);
/// 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;
bool checkValidState() const;
rtl::OUString m_sNodeName;
unsigned int m_nParentPos;
};
//-------------------------------------------------------------------------
/** extract the value from a plain value
*/
inline
com::sun::star::uno::Any getSimpleValue(rtl::Reference< 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(rtl::Reference< Tree > const& rTree, NodeRef const& rParentNode, rtl::OUString const& aName);
SubNodeID(NodeID const& rParentNodeID, rtl::OUString 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 isValidNode() const;
// hashing
size_t hashCode() const { return m_aParentID.hashCode() + 5*m_sNodeName.hashCode(); }
// containing node this
NodeID getParentID() const { return m_aParentID; }
// containing node this
rtl::OUString getNodeName() const { return m_sNodeName; }
private:
SubNodeID(); // create an empty one
rtl::OUString m_sNodeName;
NodeID m_aParentID;
};
//-------------------------------------------------------------------------
void getAllChildrenHelper(NodeID const& aNode, std::vector<SubNodeID>& 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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