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// Copyright (c) 2019, Open Source Robotics Foundation, Inc.
//
// 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 holder 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 HOLDER 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.
// This file is originally from:
// https://github.com/ros/pluginlib/blob/1a4de29fa55173e9b897ca8ff57ebc88c047e0b3/pluginlib/include/pluginlib/impl/split.hpp
/*! \file split.hpp
* \brief Split string by provided delimiter.
*/
#ifndef RCPPUTILS__SPLIT_HPP_
#define RCPPUTILS__SPLIT_HPP_
#include <iterator>
#include <sstream>
#include <string>
#include <vector>
namespace rcpputils
{
/// @cond
/// Split a specified input into tokens using a delimiter and a type erased insert iterator.
/**
* \param[in] input the input string to be split
* \param[in] delim the delimiter used to split the input string
* \param[in] it an insert iterator pointing to a storage container
* \param[in] skip_empty skip empty strings when inserting tokens
*/
template<
class InsertIterator,
typename std::enable_if<
std::is_same<
InsertIterator &,
decltype(std::declval<InsertIterator>().operator=(std::declval<std::string>()))>::value
>::type * = nullptr>
void
split(const std::string & input, char delim, InsertIterator & it, bool skip_empty = false)
{
std::stringstream ss;
ss.str(input);
std::string item;
while (std::getline(ss, item, delim)) {
if (skip_empty && item == "") {
continue;
}
it = item;
}
}
/// @endcond
/// Split a specified input into tokens using a delimiter.
/**
* The returned vector will contain the tokens split from the input
*
* \param[in] input the input string to be split
* \param[in] delim the delimiter used to split the input string
* \param[in] skip_empty remove empty strings from the returned vector
* \return A vector of tokens.
*/
inline std::vector<std::string>
split(const std::string & input, char delim, bool skip_empty = false)
{
std::vector<std::string> result;
auto it = std::back_inserter(result);
split(input, delim, it, skip_empty);
return result;
}
} // namespace rcpputils
#endif // RCPPUTILS__SPLIT_HPP_
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