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/*
   Copyright (c) 2011 Daniel Bakkelund.
   All rights reserved.

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
   are met:
    1. Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.
    2. 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.
    3. 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
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   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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*/



#ifndef CPUNIT_CMDLINEPARSER_HPP
#define CPUNIT_CMDLINEPARSER_HPP

#include <string>
#include <map>
#include <set>
#include <vector>

namespace cpunit {

  class CmdLineParser {
    static const std::string BLANKS;

    std::set<std::string> legal_args;
    std::map<std::string, std::string> args;
    std::vector<std::string> input;

    void parse_long_token(const std::string& token);
    void parse_short_token(const std::string& token);
  public:
    CmdLineParser();
    CmdLineParser(const CmdLineParser &p);
    virtual ~CmdLineParser();

    CmdLineParser& operator = (const CmdLineParser &p);

    void add_legal(const std::string& s);
    void parse(const int argc, const char **cmdline);
    bool has(const std::string& arg) const;
    bool has_one_of(const std::string& arg) const;
    
    template<class T>
    T value_of(const std::string& arg) const;

    const std::vector<std::string>& program_input() const;

    std::string to_string() const;
  };


  template<>
  std::string 
  CmdLineParser::value_of<std::string>(const std::string& arg) const;

}

#include "cpunit_CmdLineParser.tcc"

#endif // CPUNIT_CMDLINEPARSER_HPP