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/*
* Copyright (c) 2010 The Hewlett-Packard Development Company
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Nathan Binkert
*/
#ifndef __BASE_STL_HELPERS_HH__
#define __BASE_STL_HELPERS_HH__
#include <algorithm>
#include <iostream>
namespace m5 {
namespace stl_helpers {
template <typename T>
void
deletePointer(T &ptr)
{
delete ptr;
ptr = NULL;
}
template <class T>
class ContainerPrint
{
private:
std::ostream &out;
bool first;
public:
ContainerPrint(std::ostream &out)
: out(out), first(true)
{}
void
operator()(const T &elem)
{
// First one doesn't get a space before it. The rest do.
if (first)
first = false;
else
out << " ";
out << elem;
}
};
// Treat all objects in an stl container as pointers to heap objects,
// calling delete on each one and zeroing the pointers along the way
template <template <typename T, typename A> class C, typename T, typename A>
void
deletePointers(C<T,A> &container)
{
std::for_each(container.begin(), container.end(), deletePointer<T>);
}
// Write out all elements in an stl container as a space separated
// list enclosed in square brackets
template <template <typename T, typename A> class C, typename T, typename A>
std::ostream &
operator<<(std::ostream& out, const C<T,A> &vec)
{
out << "[ ";
std::for_each(vec.begin(), vec.end(), ContainerPrint<T>(out));
out << " ]";
out << std::flush;
return out;
}
} // namespace stl_helpers
} // namespace m5
#endif // __BASE_STL_HELPERS_HH__
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