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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.
*/
#ifndef __BASE_STL_HELPERS_HH__
#define __BASE_STL_HELPERS_HH__
#include <algorithm>
#include <iostream>
#include <type_traits>
#include <vector>
#include "base/compiler.hh"
namespace gem5
{
namespace stl_helpers
{
template <typename T, typename Enabled=void>
struct IsHelpedContainer : public std::false_type {};
template <typename ...Types>
struct IsHelpedContainer<std::vector<Types...>> : public std::true_type {};
template <typename ...Types>
constexpr bool IsHelpedContainerV = IsHelpedContainer<Types...>::value;
/**
* Write out all elements in an stl container as a space separated
* list enclosed in square brackets
*
* @ingroup api_base_utils
*/
template <typename T>
std::enable_if_t<IsHelpedContainerV<T>, std::ostream &>
operator<<(std::ostream& out, const T &t)
{
out << "[ ";
bool first = true;
auto printer = [&first, &out](const auto &elem) {
if (first)
out << elem;
else
out << " " << elem;
};
std::for_each(t.begin(), t.end(), printer);
out << " ]";
out << std::flush;
return out;
}
} // namespace stl_helpers
} // namespace gem5
#endif // __BASE_STL_HELPERS_HH__