xinput_output_tool.h

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// Author(s): Willem Rietdijk
// Copyright: see the accompanying file COPYING or copy at
// https://github.com/mCRL2org/mCRL2/blob/master/COPYING
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
 
#ifndef MCRL2_UTILITIES_XINPUT_OUTPUT_TOOL_H
#define MCRL2_UTILITIES_XINPUT_OUTPUT_TOOL_H
 
#include "mcrl2/utilities/xinput_tool.h"
 
namespace mcrl2
{
 
namespace utilities
{
 
namespace tools
{
 
class xinput_output_tool: public xinput_tool
{
  protected:
    std::string m_output_filename;
 
    void check_positional_options(const command_line_parser& parser) override
    {
      if (max_input_files > 0 && max_input_files + 1 < parser.arguments.size())
      {
        parser.error("too many file arguments");
      }
      else if (min_input_files + 1 > parser.arguments.size())
      {
        parser.error("too few file arguments");
      }
    }
 
    std::string synopsis() const override
    {
      return "[OPTION]... [INFILES [OUTFILE]]\n";
    }
 
    void parse_options(const command_line_parser& parser) override
    {
      // Read input filenames from arguments list
      xinput_tool::parse_options(parser);
 
      // Remove last input filename and set as output filename
      m_output_filename = xinput_tool::input_filenames().back();
      xinput_tool::input_filenames().pop_back();
    }
 
    std::string output_file_message() const
    {
      std::ostringstream out;
      out << "Output written to "
          << ((m_output_filename.empty()) ? "standard output" : ("'" + m_output_filename + "'"));
      return out.str();
    }
 
    std::string make_tool_description(const std::string& description) const
    {
      // return utilities::word_wrap_text(description + " If INFILE is not present, standard input is used.");
      return description;
    }
 
  public:
    xinput_output_tool(const std::string& name,
                const std::string& author,
                const std::string& what_is,
                const std::string& tool_description,
                std::string known_issues = "",
                uint16_t min = 0,
                uint16_t max = 0
              )
        : xinput_tool(name, author, what_is, tool_description, known_issues, min, max)
    {
    }
 
    const std::string& output_filename() const { return m_output_filename; }
 
    std::string& output_filename() { return m_output_filename; }
};
 
} // namespace tools
 
} // namespace utilities
 
} // namespace mcrl2
 
#endif // MCRL2_UTILITIES_XINPUT_OUTPUT_TOOL_H