text: /* 
   * Parser for the Command Line (PCL)
   * Copyright (c) 2009-2013, Arnaud Barré
   * 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(s) 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 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 pcl_Exception_h
  #define pcl_Exception_h
  
  #include <stdexcept>
  
  namespace pcl
  {
    /**
     * @brief General class for exception
     */
    class Exception : public std::exception
    {
    public:
      /** Constructor */
      explicit Exception(const std::string& msg)
      : mWhat(msg)
      {};
    
      /** Destructor */
      virtual ~Exception() throw() {};
    
      /**
       * Gets the exception's message
       */
      virtual const char* what() const throw()
      {
        return mWhat.c_str();
      };
    
    private:
      std::string mWhat;
    };
    
    /**
     * @brief Bad conversion exception class.
     */
    class ConversionError : public Exception 
    {
    public:
      /** Constructor. */
      explicit ConversionError(const std::string& msg)
      : Exception(msg)
      {}
      
      /** Destructor. */
      virtual ~ConversionError() throw() {}
    };
  
  
    /**
     * @brief Error related to the option
     */
    class OptionError : public Exception
    {
    public:
    
      /** Constructor */
      explicit OptionError(const std::string& msg)
      : Exception(msg)
      {};
    
      /** Destructor */
      virtual ~OptionError() throw() {}
    };
    
    /**
     * @brief Error during the parsing
     */
    class ParserError : public Exception
    {
    public:
    
      /** Constructor */
      explicit ParserError(const std::string& msg)
      : Exception(msg)
      {};
    
      /** Destructor */
      virtual ~ParserError() throw() {}
    };
  }
  #endif // pcl_Exception_h