Line data    Source code

       1             : // Copyright (c) 2006-2022  Made to Order Software Corp.  All Rights Reserved
       2             : //
       3             : // https://snapwebsites.org/project/advgetopt
       4             : // contact@m2osw.com
       5             : //
       6             : // This program is free software; you can redistribute it and/or modify
       7             : // it under the terms of the GNU General Public License as published by
       8             : // the Free Software Foundation; either version 2 of the License, or
       9             : // (at your option) any later version.
      10             : //
      11             : // This program is distributed in the hope that it will be useful,
      12             : // but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14             : // GNU General Public License for more details.
      15             : //
      16             : // You should have received a copy of the GNU General Public License along
      17             : // with this program; if not, write to the Free Software Foundation, Inc.,
      18             : // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      19             : #pragma once
      20             : 
      21             : /** \file
      22             :  * \brief Declaration of the length validator.
      23             :  *
      24             :  * The advgetopt library offers a length validator which verifies that the
      25             :  * parameter has that many characters.
      26             :  *
      27             :  * The length are written as ranges separated by commas (,):
      28             :  *
      29             :  * \code
      30             :  *     length(1...100,128)
      31             :  * \endcode
      32             :  *
      33             :  * A number by itself means the length can be that number of characters or
      34             :  * less.
      35             :  */
      36             : 
      37             : // self
      38             : //
      39             : #include    <advgetopt/validator.h>
      40             : 
      41             : 
      42             : 
      43             : namespace advgetopt
      44             : {
      45             : 
      46             : 
      47             : 
      48          42 : class validator_length
      49             :     : public validator
      50             : {
      51             : public:
      52             :                                 validator_length(string_list_t const & data);
      53             : 
      54             :     // validator implementation
      55             :     //
      56             :     virtual std::string         name() const override;
      57             :     virtual bool                validate(std::string const & value) const override;
      58             : 
      59             : private:
      60             :     struct range_t
      61             :     {
      62             :         typedef std::vector<range_t>    vector_t;
      63             : 
      64             :         std::int64_t            f_minimum = std::numeric_limits<std::int64_t>::min();
      65             :         std::int64_t            f_maximum = std::numeric_limits<std::int64_t>::max();
      66             :     };
      67             : 
      68             :     range_t::vector_t           f_allowed_lengths = range_t::vector_t();
      69             : };
      70             : 
      71             : 
      72             : 
      73             : }   // namespace advgetopt
      74             : // vim: ts=4 sw=4 et