208 lines
5 KiB
C++
208 lines
5 KiB
C++
/*
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PlacementHierarchy(Test) - concept draft how to deal with the MObject hierarchy in Placements
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Copyright (C) Lumiera.org
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2009, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* *****************************************************/
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#include "lib/test/run.hpp"
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//#include "proc/asset/media.hpp"
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//#include "proc/mobject/session.hpp"
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//#include "proc/mobject/session/edl.hpp"
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//#include "proc/mobject/session/testclip.hpp"
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//#include "proc/mobject/placement.hpp"
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//#include "proc/mobject/placement-ref.hpp"
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//#include "proc/mobject/explicitplacement.hpp"
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#include "lib/util.hpp"
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#include <boost/format.hpp>
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#include <tr1/memory>
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#include <iostream>
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#include <cstdlib>
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using std::tr1::shared_ptr;
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using boost::format;
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//using lumiera::Time;
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//using util::contains;
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using std::string;
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using std::cout;
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using std::rand;
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namespace mobject {
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namespace session {
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namespace test {
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/**
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* a dummy version of the MObject hierarchy,
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* used to experiment with the Placement template structure
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*/
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struct MOj;
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template<class TY, class B =MOj>
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class Pla;
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template<>
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class Pla<MOj,MOj>
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: protected shared_ptr<MOj>
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{
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protected:
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typedef shared_ptr<MOj> Base;
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typedef void (*Deleter)(MOj*);
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Pla (MOj & subject, Deleter killer)
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: Base (&subject, killer) {};
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friend class MOjFac;
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public:
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virtual MOj *
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operator-> () const
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{
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ENSURE (*this);
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return Base::operator-> ();
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}
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size_t use_count() const { return Base::use_count(); }
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virtual ~Pla() {};
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};
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template<class TY, class B>
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class Pla
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: public Pla<B>
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{
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protected:
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typedef Pla<B> _Par;
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typedef typename _Par::Base Base;
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typedef typename _Par::Deleter Deleter;
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Pla (TY & mo, Deleter killer)
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: _Par (mo, killer)
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{ };
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friend class MOjFac;
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public:
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virtual TY*
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operator-> () const
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{
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ENSURE (INSTANCEOF (TY, this->get()));
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return static_cast<TY*>
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(Base::operator-> ());
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}
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};
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class MOjFac;
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struct MOj
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{
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static MOjFac create;
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int id_;
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MOj() : id_(rand() % 1000) {}
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virtual ~MOj() {}
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void show() { cout << "ID=" << id_ << "\n"; }
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};
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struct Sub1 : MOj { };
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struct Sub2 : MOj
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{
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void specialAPI() { cout << "specialAPI()\n";}
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};
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struct Sub3 : Sub2
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{
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};
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class MOjFac
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{
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static void deleterFunc (MOj* o) { delete o; }
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public:
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template<class MO>
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Pla<MO>
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special ()
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{
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return Pla<MO> (*new MO, &deleterFunc);
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}
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typedef Pla<Sub3,Sub2> Pla3;
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Pla3
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specialSub3 ()
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{
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return Pla3 (*new Sub3, &deleterFunc);
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}
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};
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MOjFac MOj::create;
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/*******************************************************************************
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* @test Currently (5/09) this is a concept draft separate of any existing types.
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* The intention is to rework the Placement implementation based on the
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* outcomes of this experiment. When doing so, this test could later on
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* serve to document and cover the corresponding Placement properties.
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* @see mobject::Placement
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* @see mobject::MObject#create
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*/
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class PlacementHierarchy_test : public Test
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{
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virtual void
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run (Arg)
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{
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Pla<Sub1> pSub1 = MOj::create.special<Sub1>();
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Pla<Sub2> pSub2 = MOj::create.special<Sub2>();
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Pla<Sub2> pSub3 = MOj::create.specialSub3();
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Pla<MOj> pSubM (pSub3);
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/////////////////////////////////TODO
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format fmt ("sizeof( %s ) = %d\n");
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cout << fmt % "Pla<Sub1>" % sizeof(pSub1);
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cout << fmt % "Pla<Sub2>" % sizeof(pSub2);
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cout << fmt % "Pla<Sub3>" % sizeof(pSub3);
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pSub1->show();
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pSub2->show();
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pSub3->show();
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pSubM->show();
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pSub3->specialAPI();
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cout << "Hurgha!\n";
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}
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};
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/** Register this test class... */
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LAUNCHER (PlacementHierarchy_test, "unit session");
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}}} // namespace mobject::session::test
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