/usr/include/tf2/impl/convert.h is in libtf2-dev 0.5.12-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2013, Open Source Robotics Foundation
* 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 Willow Garage, Inc. 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 TF2_IMPL_CONVERT_H
#define TF2_IMPL_CONVERT_H
namespace tf2 {
namespace impl {
template <bool IS_MESSAGE_A, bool IS_MESSAGE_B>
class Converter {
public:
template<typename A, typename B>
static void convert(const A& a, B& b);
};
// The case where both A and B are messages should not happen: if you have two
// messages that are interchangeable, well, that's against the ROS purpose:
// only use one type. Worst comes to worst, specialize the original convert
// function for your types.
// if B == A, the templated version of convert with only one argument will be
// used.
//
//template <>
//template <typename A, typename B>
//inline void Converter<true, true>::convert(const A& a, B& b);
template <>
template <typename A, typename B>
inline void Converter<true, false>::convert(const A& a, B& b)
{
fromMsg(a, b);
}
template <>
template <typename A, typename B>
inline void Converter<false, true>::convert(const A& a, B& b)
{
b = toMsg(a);
}
template <>
template <typename A, typename B>
inline void Converter<false, false>::convert(const A& a, B& b)
{
fromMsg(toMsg(a), b);
}
}
}
#endif //TF2_IMPL_CONVERT_H
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