48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
/*****************************************************************************
|
|
*
|
|
* This file is part of Mapnik (c++ mapping toolkit)
|
|
*
|
|
* Copyright (C) 2024 Artem Pavlenko
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#ifndef MAPNIK_PARSE_HEX_HPP
|
|
#define MAPNIK_PARSE_HEX_HPP
|
|
|
|
#include <mapnik/warning.hpp>
|
|
MAPNIK_DISABLE_WARNING_PUSH
|
|
#include <mapnik/warning_ignore.hpp>
|
|
#include <boost/spirit/home/x3.hpp>
|
|
MAPNIK_DISABLE_WARNING_POP
|
|
|
|
namespace mapnik {
|
|
namespace util {
|
|
|
|
template<typename Out>
|
|
bool parse_hex(std::string const& input, Out& output)
|
|
{
|
|
using boost::spirit::x3::lit;
|
|
auto itr = input.begin();
|
|
auto end = input.end();
|
|
using hex2 = boost::spirit::x3::uint_parser<unsigned, 16, 2, 2>;
|
|
return boost::spirit::x3::parse(itr, end, -(lit("\\x") | lit("0x")) > *hex2(), output);
|
|
}
|
|
|
|
} // namespace util
|
|
} // namespace mapnik
|
|
|
|
#endif // MAPNIK_PARSE_HEX_HPP
|