104 lines
2.7 KiB
C++
104 lines
2.7 KiB
C++
|
/*
|
||
|
|
SCOPE-LOCATOR.hpp - management and registration point for the QueryFocus-system
|
||
|
|
|
||
|
|
Copyright (C) Lumiera.org
|
||
|
|
2009, Hermann Vosseler <Ichthyostega@web.de>
|
||
|
|
|
||
|
|
This program is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU General Public License as
|
||
|
|
published by the Free Software Foundation; either version 2 of the
|
||
|
|
License, or (at your option) any later version.
|
||
|
|
|
||
|
|
This program 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 General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License
|
||
|
|
along with this program; if not, write to the Free Software
|
||
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||
|
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef MOBJECT_SESSION_SCOPE_LOCATOR_H
|
||
|
|
#define MOBJECT_SESSION_SCOPE_LOCATOR_H
|
||
|
|
|
||
|
|
//#include "proc/mobject/mobject.hpp"
|
||
|
|
#include "proc/mobject/session/scope.hpp"
|
||
|
|
#include "proc/mobject/placement.hpp"
|
||
|
|
#include "proc/mobject/session/contents-query.hpp"
|
||
|
|
#include "lib/singleton.hpp"
|
||
|
|
#include "lib/util.hpp"
|
||
|
|
|
||
|
|
#include <boost/scoped_ptr.hpp>
|
||
|
|
#include <tr1/memory>
|
||
|
|
//#include <vector>
|
||
|
|
//#include <string>
|
||
|
|
|
||
|
|
//using std::vector;
|
||
|
|
//using std::string;
|
||
|
|
|
||
|
|
namespace mobject {
|
||
|
|
namespace session {
|
||
|
|
|
||
|
|
using std::tr1::shared_ptr;
|
||
|
|
using boost::scoped_ptr;
|
||
|
|
using util::cStr;
|
||
|
|
|
||
|
|
|
||
|
|
class QueryFocusStack; //////TODO better include?
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
class ScopeLocator
|
||
|
|
{
|
||
|
|
scoped_ptr<QueryFocusStack> focusStack_;
|
||
|
|
shared_ptr<QueryResolver> index_;
|
||
|
|
|
||
|
|
public:
|
||
|
|
ScopeLocator();
|
||
|
|
|
||
|
|
void
|
||
|
|
activate (shared_ptr<QueryResolver> resolvingFacility);
|
||
|
|
|
||
|
|
template<typename MO>
|
||
|
|
typename ContentsQuery<MO>::iterator
|
||
|
|
explore (Scope const&);
|
||
|
|
|
||
|
|
};
|
||
|
|
///////////////////////////TODO currently just fleshing the API
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/** activate or de-activate the QueryFocus system.
|
||
|
|
* This is done by a link to a contents-query resolving facility,
|
||
|
|
* typically the PlacementIndex within the current session.
|
||
|
|
*/
|
||
|
|
void
|
||
|
|
ScopeLocator::activate (shared_ptr<QueryResolver> resolvingFacility)
|
||
|
|
{
|
||
|
|
index_ = resolvingFacility;
|
||
|
|
|
||
|
|
if (index_)
|
||
|
|
INFO (config, "Enabling Scope resolution by %s.", cStr(*index_));
|
||
|
|
else
|
||
|
|
INFO (config, "Disabling Scope resolution.");
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/** use the currently installed contents-resolving facility
|
||
|
|
* to enumerate the contents of the given scope
|
||
|
|
*/
|
||
|
|
template<typename MO>
|
||
|
|
typename ContentsQuery<MO>::iterator
|
||
|
|
ScopeLocator::explore (Scope const& scope)
|
||
|
|
{
|
||
|
|
REQUIRE (index_);
|
||
|
|
return ContentsQuery<MO> (*index_, scope.getTop());
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
}} // namespace mobject::session
|
||
|
|
#endif
|