SO3UserObjectBindings.cpp

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/*
-----------------------------------------------------------------------------
This source file is part of OpenSpace3D
For the latest info, see http://www.openspace3d.com
 
Copyright (c) 2012 I-maginer
 
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser 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 Lesser General Public License for more details.
 
You should have received a copy of the GNU Lesser General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/copyleft/lesser.txt
 
-----------------------------------------------------------------------------
*/
 
#include "SO3Utils/SO3UserObjectBindings.h"
 
namespace SO3
{
 
SAny SUserObjectBindings::msEmptyAny;
        
SUserObjectBindings::SUserObjectBindings()
{
        mAttributes = NULL;
}
 
SUserObjectBindings::~SUserObjectBindings()
{
        Clear();
}
 
void SUserObjectBindings::SetUserAny(const SAny& anything)
{
        // Allocate attributes on demand.
        if (mAttributes == NULL)
                mAttributes = new SUserObjectBindings::Attributes;
        
        mAttributes->mKeylessAny = anything;
}
 
const SAny& SUserObjectBindings::GetUserAny() const
{
        // Allocate attributes on demand.
        if (mAttributes == NULL)
                mAttributes = new SUserObjectBindings::Attributes;
 
        return mAttributes->mKeylessAny;
}
 
void SUserObjectBindings::SetUserAny(const std::string& key, const SAny& anything)
{
        // Allocate attributes on demand.
        if (mAttributes == NULL)
                mAttributes = new SUserObjectBindings::Attributes;
 
        if (mAttributes->mpUserObjectsMap == NULL)
                mAttributes->mpUserObjectsMap = new UserObjectsMap;
 
        (*mAttributes->mpUserObjectsMap)[key] = anything;
}       
 
const SAny& SUserObjectBindings::GetUserAny(const std::string& key) const
{
        // Allocate attributes on demand.
        if (mAttributes == NULL)
                mAttributes = new SUserObjectBindings::Attributes;
 
        // Case map doesn't exists.
        if (mAttributes->mpUserObjectsMap == NULL)
                return msEmptyAny;
 
        UserObjectsMapConstIterator it = mAttributes->mpUserObjectsMap->find(key);
        if (it != mAttributes->mpUserObjectsMap->end())
                return it->second;
        
        return msEmptyAny;
}
 
void SUserObjectBindings::EraseUserAny(const std::string& key)
{
        // Case attributes and map allocated.
        if(mAttributes != NULL && mAttributes->mpUserObjectsMap != NULL)
        {
                UserObjectsMapIterator it = mAttributes->mpUserObjectsMap->find(key);
                if (it != mAttributes->mpUserObjectsMap->end())
                  mAttributes->mpUserObjectsMap->erase(it);
        }
}
 
void SUserObjectBindings::Clear() const
{
        if (mAttributes != NULL)
        {                       
                SAFE_DELETE(mAttributes);
        }
}
 
}