substitution_rule.hpp

Go to the documentation of this file.

/*********************************************************************
* Software License Agreement (BSD License)
*
*  Copyright 2016-2017 Davide Faconti
*  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 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 ROS_INTROSPECTION_SUBSTITUTION_RULE_H
#define ROS_INTROSPECTION_SUBSTITUTION_RULE_H

#include "ros_type_introspection/ros_type.hpp"
#include <absl/strings/string_view.h>


namespace RosIntrospection{

class SubstitutionRule {
public:

  SubstitutionRule(const char* pattern, const char* alias, const char* substitution);

  SubstitutionRule(const SubstitutionRule& other) { *this = other; }

  SubstitutionRule& operator= (const SubstitutionRule& other);

  const std::vector<absl::string_view>& pattern() const      { return _pattern; }
  const std::vector<absl::string_view>& alias() const        { return _alias; }
  const std::vector<absl::string_view>& substitution() const { return _substitution; }

  bool operator == (const SubstitutionRule& other) const
  {
    return _hash == other._hash;
  }
  size_t hash() const { return _hash; }

private:
  std::string _full_pattern;
  std::string _full_alias;
  std::string _full_substitution;
  std::vector<absl::string_view> _pattern;
  std::vector<absl::string_view> _alias;
  std::vector<absl::string_view> _substitution;
  size_t _hash;
} ;

//------------------------

typedef std::map<ROSType, std::vector<SubstitutionRule>> SubstitutionRuleMap;

} // end namespace


namespace std {
  template <> struct hash<RosIntrospection::SubstitutionRule>
  {

    typedef RosIntrospection::SubstitutionRule argument_type;
    typedef std::size_t                        result_type;

    result_type operator()(RosIntrospection::SubstitutionRule const& sr) const
    {
      return sr.hash();
    }
  };
}

#endif