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87 lines
2.3 KiB
C++
87 lines
2.3 KiB
C++
/* ASEPRITE
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* Copyright (C) 2001-2012 David Capello
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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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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*
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "objects_container_impl.h"
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using namespace undo;
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ObjectsContainerImpl::ObjectsContainerImpl()
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{
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m_idCounter = 0;
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}
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ObjectsContainerImpl::~ObjectsContainerImpl()
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{
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}
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ObjectId ObjectsContainerImpl::addObject(void* object)
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{
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// First we check if the object is already in the container.
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std::map<void*, ObjectId>::iterator it = m_ptrToId.find(object);
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if (it != m_ptrToId.end())
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return it->second; // So we return the already assigned ID
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// In other case we add the new object
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ObjectId id = ++m_idCounter;
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m_idToPtr[id] = object;
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m_ptrToId[object] = id;
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return id;
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}
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void ObjectsContainerImpl::insertObject(ObjectId id, void* object)
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{
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std::map<ObjectId, void*>::iterator it1 = m_idToPtr.find(id);
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if (it1 != m_idToPtr.end())
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throw ExistentObjectException();
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std::map<void*, ObjectId>::iterator it2 = m_ptrToId.find(object);
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if (it2 != m_ptrToId.end())
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throw ExistentObjectException();
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m_idToPtr[id] = object;
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m_ptrToId[object] = id;
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}
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void ObjectsContainerImpl::removeObject(ObjectId id)
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{
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std::map<ObjectId, void*>::iterator it1 = m_idToPtr.find(id);
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if (it1 == m_idToPtr.end())
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throw ObjectNotFoundException();
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void* ptr = it1->second;
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std::map<void*, ObjectId>::iterator it2 = m_ptrToId.find(ptr);
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if (it2 == m_ptrToId.end())
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throw ObjectNotFoundException();
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m_idToPtr.erase(it1);
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m_ptrToId.erase(it2);
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}
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void* ObjectsContainerImpl::getObject(ObjectId id)
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{
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std::map<ObjectId, void*>::iterator it = m_idToPtr.find(id);
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if (it == m_idToPtr.end())
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throw ObjectNotFoundException();
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return it->second;
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}
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