office-gobmx/configmgr/source/api2/translatechanges.cxx
2002-02-11 12:47:56 +00:00

350 lines
14 KiB
C++

/*************************************************************************
*
* $RCSfile: translatechanges.cxx,v $
*
* $Revision: 1.6 $
*
* last change: $Author: jb $ $Date: 2002-02-11 13:47:53 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 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
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#include "translatechanges.hxx"
#ifndef CONFIGMGR_CONFIGNODE_HXX_
#include "noderef.hxx"
#endif
#ifndef CONFIGMGR_CONFIGCHANGE_HXX_
#include "nodechange.hxx"
#endif
#ifndef CONFIGMGR_CONFIGCHANGEINFO_HXX_
#include "nodechangeinfo.hxx"
#endif
#ifndef CONFIGMGR_API_FACTORY_HXX_
#include "apifactory.hxx"
#endif
namespace configmgr
{
// ---------------------------------------------------------------------------------------------------
namespace css = ::com::sun::star;
namespace uno = css::uno;
namespace lang = css::lang;
namespace util = css::util;
namespace beans = css::beans;
namespace container = css::container;
// ---------------------------------------------------------------------------------------------------
namespace configuration
{
class NodeChange;
class NodeChanges;
class Tree;
class NodeRef;
class NodeID;
}
// ---------------------------------------------------------------------------------------------------
namespace configapi
{
using configuration::Tree;
using configuration::TreeRef;
using configuration::Name;
using configuration::AbsolutePath;
using configuration::RelativePath;
using configuration::NodeRef;
using configuration::NodeID;
using configuration::NodeChangeInformation;
using configuration::NodeChangeData;
using configuration::NodeChangeLocation;
// ---------------------------------------------------------------------------------------------------
//interpreting NodeChanges
// resolve the relative path from a given base to the changed node
bool resolveChangeLocation(RelativePath& aPath, NodeChangeLocation const& aChange, Tree const& aBaseTree)
{
return resolveChangeLocation(aPath,aChange,aBaseTree,aBaseTree.getRootNode());
}
bool resolveChangeLocation(RelativePath& aPath, NodeChangeLocation const& aChange, Tree const& aBaseTree, NodeRef const& aBaseNode)
{
OSL_ENSURE(aChange.isValidLocation(aBaseTree.getDataAccessor()), "Trying to resolve against change location that wasn't set up properly");
namespace Path = configuration::Path;
typedef Path::Iterator Iter;
Tree aChangeBaseTree = aChange.getBaseTree(aBaseTree.getDataAccessor());
AbsolutePath aOuterBasePath = aBaseTree.getAbsolutePath(aBaseNode);
AbsolutePath aChangeBasePath = aChangeBaseTree.getAbsolutePath(aChange.getBaseNode());
Iter aChangeIt = aChangeBasePath.begin(), aChangeEnd = aChangeBasePath.end();
Iter aOuterIt = aOuterBasePath.begin(), aOuterEnd = aOuterBasePath.end();
// First by resolve the base node pathes
while (aOuterIt != aOuterEnd && aChangeIt != aChangeEnd)
{
if ( ! Path::matches(*aOuterIt,*aChangeIt) ) return false; // mismatch
++aOuterIt;
++aChangeIt;
}
// Next consider the stored accessor
if (aChangeIt != aChangeEnd) // stepping outward - prepend
{
Path::Rep aRemaining(aChangeIt, aChangeEnd);
aPath = RelativePath(aRemaining).compose(aChange.getAccessor());
}
else if (aOuterIt == aOuterEnd) // exact match outside
{
aPath = aChange.getAccessor();
}
else //(aChangeIt == aChangeEnd) but outer left
{
RelativePath aAccessor = aChange.getAccessor();
aChangeIt = aAccessor.begin();
aChangeEnd = aAccessor.end();
// resolve the outer path against the change accessor
while (aOuterIt != aOuterEnd && aChangeIt != aChangeEnd)
{
if ( ! Path::matches(*aOuterIt,*aChangeIt) ) return false; // mismatch
++aOuterIt;
++aChangeIt;
}
if (aOuterIt == aOuterEnd)
{
Path::Rep aRemaining(aChangeIt, aChangeEnd);
aPath = RelativePath( aRemaining );
}
}
return (aOuterIt == aOuterEnd); // resolved completely and assigned ??
}
// ---------------------------------------------------------------------------------------------------
// change path and base settings to start from the given base
bool rebaseChange(data::Accessor const& _aAccessor, NodeChangeLocation& aChange, TreeRef const& _aBaseTreeRef)
{
return rebaseChange(_aAccessor, aChange,_aBaseTreeRef,_aBaseTreeRef.getRootNode());
}
bool rebaseChange(data::Accessor const& _aAccessor, NodeChangeLocation& aChange, TreeRef const& _aBaseTreeRef, NodeRef const& aBaseNode)
{
OSL_ENSURE(aChange.isValidLocation(_aAccessor), "Trying to rebase change location that wasn't set up properly");
Tree aBaseTree(_aAccessor,_aBaseTreeRef);
RelativePath aNewPath;
if (resolveChangeLocation(aNewPath,aChange,aBaseTree, aBaseNode))
{
aChange.setBase( aBaseTree, aBaseNode);
aChange.setAccessor( aNewPath );
return true;
}
else
return false;
}
// ---------------------------------------------------------------------------------------------------
// resolve non-uno elements to Uno Objects
bool resolveUnoObjects(UnoChange& aUnoChange, NodeChangeData const& aChange, Factory& rFactory)
{
if (aChange.isSetChange())
{
uno::Reference<uno::XInterface> aNewUnoObject = rFactory.findUnoElement(aChange.getNewElementNodeID());
uno::Reference<uno::XInterface> aOldUnoObject = rFactory.findUnoElement(aChange.getOldElementNodeID());
bool bFound = aNewUnoObject.is() || aOldUnoObject.is();
aUnoChange.newValue <<= aNewUnoObject;
aUnoChange.oldValue <<= aOldUnoObject;
return bFound;
}
else if (aChange.isValueChange())
{
aUnoChange.newValue = aChange.unoData.newValue;
aUnoChange.oldValue = aChange.unoData.oldValue;
return true;
}
else
{
return false;
}
}
// ---------------------------------------------------------------------------------------------------
// resolve non-uno elements to Uno Objects inplace
bool resolveToUno(NodeChangeData& aChange, Factory& rFactory)
{
struct UnoChange aUnoChange;
if (resolveUnoObjects(aUnoChange,aChange,rFactory))
{
aChange.unoData.newValue = aUnoChange.newValue;
aChange.unoData.oldValue = aUnoChange.oldValue;
return true;
}
else
return false;
}
// ---------------------------------------------------------------------------------------------------
// building events
/// find the sending api object
void fillEventSource(lang::EventObject& rEvent, Tree const& aTree, NodeRef const& aNode, Factory& rFactory)
{
rEvent.Source = rFactory.findUnoElement( NodeID(aTree,aNode) );
}
// ---------------------------------------------------------------------------------------------------
/// fill a change info from a NodeChangeInfo
void fillChange(util::ElementChange& rChange, NodeChangeInformation const& aInfo, Tree const& aBaseTree, Factory& rFactory)
{
fillChange(rChange,aInfo,aBaseTree,aBaseTree.getRootNode(),rFactory);
}
/// fill a change info from a NodeChangeInfo
void fillChange(util::ElementChange& rChange, NodeChangeInformation const& aInfo, Tree const& aBaseTree, NodeRef const& aBaseNode, Factory& rFactory)
{
RelativePath aRelativePath;
if (!resolveChangeLocation(aRelativePath, aInfo.location, aBaseTree, aBaseNode))
OSL_ENSURE(false, "WARNING: Change is not part of the given Tree");
UnoChange aUnoChange;
if (!resolveUnoObjects(aUnoChange, aInfo.change, rFactory))
OSL_ENSURE(false, "WARNING: Cannot find out old/new UNO objects involved in change");
rChange.Accessor <<= aRelativePath.toString();
rChange.Element = aUnoChange.newValue;
rChange.ReplacedElement = aUnoChange.oldValue;
}
// ---------------------------------------------------------------------------------------------------
/// fill a change info from a NodeChangeInfo (base,path and uno objects are assumed to be resolved already)
void fillChangeFromResolved(util::ElementChange& rChange, NodeChangeInformation const& aInfo)
{
rChange.Accessor <<= aInfo.location.getAccessor().toString();
rChange.Element = aInfo.change.unoData.newValue;
rChange.ReplacedElement = aInfo.change.unoData.oldValue;
}
// ---------------------------------------------------------------------------------------------------
/// fill a event from a NodeChangeInfo
bool fillEventData(container::ContainerEvent& rEvent, NodeChangeInformation const& aInfo, Factory& rFactory)
{
UnoChange aUnoChange;
if (!resolveUnoObjects(aUnoChange, aInfo.change, rFactory))
{
OSL_ENSURE(false, "WARNING: Cannot find out old/new UNO objects involved in change");
return false;
}
rEvent.Accessor <<= aInfo.location.getAccessor().getLocalName().getName().toString();
rEvent.Element = aUnoChange.newValue;
rEvent.ReplacedElement = aUnoChange.oldValue;
return !aInfo.isEmptyChange();
}
// ---------------------------------------------------------------------------------------------------
/// fill a event from a NodeChangeInfo (uno objects are assumed to be resolved already)
bool fillEventDataFromResolved(container::ContainerEvent& rEvent, NodeChangeInformation const& aInfo)
{
rEvent.Accessor <<= aInfo.location.getAccessor().getLocalName().getName().toString();
rEvent.Element = aInfo.change.unoData.newValue;
rEvent.ReplacedElement = aInfo.change.unoData.oldValue;
return !aInfo.isEmptyChange();
}
// ---------------------------------------------------------------------------------------------------
/// fill a event from a NodeChangeInfo(uno objects are assumed to be resolved already)
bool fillEventData(beans::PropertyChangeEvent& rEvent, NodeChangeInformation const& aInfo, Factory& rFactory, bool bMore)
{
if (!aInfo.isValueChange())
return false;
UnoChange aUnoChange;
if (!resolveUnoObjects(aUnoChange, aInfo.change, rFactory))
OSL_ENSURE(false, "WARNING: Cannot find out old/new UNO objects involved in change");
rEvent.PropertyName = aInfo.location.getAccessor().getLocalName().getName().toString();
rEvent.NewValue = aUnoChange.newValue;
rEvent.OldValue = aUnoChange.oldValue;
rEvent.PropertyHandle = -1;
rEvent.Further = bMore;
return !aInfo.isEmptyChange();
}
// ---------------------------------------------------------------------------------------------------
/// fill a event from a NodeChangeInfo(uno objects are assumed to be resolved already)
bool fillEventDataFromResolved(beans::PropertyChangeEvent& rEvent, NodeChangeInformation const& aInfo, bool bMore)
{
if (!aInfo.isValueChange())
return false;
rEvent.PropertyName = aInfo.location.getAccessor().getLocalName().getName().toString();
rEvent.NewValue = aInfo.change.unoData.newValue;
rEvent.OldValue = aInfo.change.unoData.oldValue;
rEvent.PropertyHandle = -1;
rEvent.Further = bMore;
return !aInfo.isEmptyChange();
}
// ---------------------------------------------------------------------------------------------------
// ---------------------------------------------------------------------------------------------------
}
// ---------------------------------------------------------------------------------------------------
}