fluxbox/src/FbTk/STLUtil.hh

// STLUtil.cc for FbTk
// Copyright (c) 2006 Fluxbox Team (fluxgen at fluxbox dot org)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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#ifndef FBTK_STLUTIL_HH
#define FBTK_STLUTIL_HH

/// contains useful utilities for STL 
namespace FbTk {
namespace STLUtil {

/// calls delete on each item in the container and then clears the container
template <typename A>
void destroyAndClear(A &a) {
    typedef typename A::iterator iterator;
    iterator it = a.begin();
    iterator it_end = a.end();
    for (; it != it_end; ++it)
        delete (*it);

    a.clear();
}

/// calls delete on each item value in the map and then clears the map
template <typename A>
void destroyAndClearSecond(A &a) {
    typedef typename A::iterator iterator;
    iterator it = a.begin();
    iterator it_end = a.end();
    for (; it != it_end; ++it)
        delete it->second;
    a.clear();
}

}; // end namespace STLUtil
}; // end namespace FbTk

#endif // STLUTIL_Hh