mapnik/src/color_factory.cpp
2021-01-05 14:39:07 +00:00

51 lines
1.7 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2021 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
*
*****************************************************************************/
// mapnik
#include <mapnik/color.hpp>
#include <mapnik/color_factory.hpp>
#include <mapnik/config_error.hpp>
#include <mapnik/css/css_color_grammar_x3.hpp>
namespace mapnik {
color parse_color(std::string const& str)
{
// TODO - early return for @color?
auto const& grammar = mapnik::css_color_grammar::css_color;
color c;
std::string::const_iterator first = str.begin();
std::string::const_iterator last = str.end();
using namespace boost::spirit::x3::ascii;
bool result = boost::spirit::x3::phrase_parse(first, last, grammar, space, c);
if (result && (first == last))
{
return c;
}
else
{
throw config_error("Failed to parse color: \"" + str + "\"");
}
}
}