50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
/**
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* @file lllinstancetracker.cpp
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*
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* $LicenseInfo:firstyear=2009&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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// Precompiled header
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#include "linden_common.h"
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// associated header
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#include "llinstancetracker.h"
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// STL headers
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// std headers
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// external library headers
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// other Linden headers
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//static
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void * & LLInstanceTrackerBase::getInstances(std::type_info const & info)
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{
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typedef std::map<std::string, void *> InstancesMap;
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static InstancesMap instances;
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// std::map::insert() is just what we want here. You attempt to insert a
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// (key, value) pair. If the specified key doesn't yet exist, it inserts
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// the pair and returns a std::pair of (iterator, true). If the specified
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// key DOES exist, insert() simply returns (iterator, false). One lookup
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// handles both cases.
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return instances.insert(InstancesMap::value_type(info.name(),
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InstancesMap::mapped_type()))
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.first->second;
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}
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