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/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2012 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/util/conversions.hpp>
// boost
#include <boost/spirit/include/qi.hpp>
#define BOOST_SPIRIT_AUTO(domain_, name, expr) \
typedef boost::proto::result_of:: \
deep_copy<BOOST_TYPEOF(expr)>::type name##_expr_type; \
BOOST_SPIRIT_ASSERT_MATCH( \
boost::spirit::domain_::domain, name##_expr_type); \
BOOST_AUTO(name, boost::proto::deep_copy(expr)); \
namespace mapnik { namespace util {
using namespace boost::spirit;
BOOST_SPIRIT_AUTO(qi, INTEGER, qi::int_)
BOOST_SPIRIT_AUTO(qi, FLOAT, qi::float_)
BOOST_SPIRIT_AUTO(qi, DOUBLE, qi::double_)
bool string2int(const char * value, int & result)
{
size_t length = strlen(value);
if (length < 1 || value == NULL)
return false;
const char *iter = value;
const char *end = value + length;
bool r = qi::phrase_parse(iter,end,INTEGER,ascii::space,result);
return r && (iter == end);
}
bool string2int(std::string const& value, int & result)
{
if (value.empty())
return false;
std::string::const_iterator str_beg = value.begin();
std::string::const_iterator str_end = value.end();
bool r = qi::phrase_parse(str_beg,str_end,INTEGER,ascii::space,result);
return r && (str_beg == str_end);
}
bool string2double(std::string const& value, double & result)
{
if (value.empty())
return false;
std::string::const_iterator str_beg = value.begin();
std::string::const_iterator str_end = value.end();
bool r = qi::phrase_parse(str_beg,str_end,DOUBLE,ascii::space,result);
return r && (str_beg == str_end);
}
bool string2double(const char * value, double & result)
{
size_t length = strlen(value);
if (length < 1 || value == NULL)
return false;
const char *iter = value;
const char *end = value + length;
bool r = qi::phrase_parse(iter,end,DOUBLE,ascii::space,result);
return r && (iter == end);
}
bool string2float(std::string const& value, float & result)
{
if (value.empty())
return false;
std::string::const_iterator str_beg = value.begin();
std::string::const_iterator str_end = value.end();
bool r = qi::phrase_parse(str_beg,str_end,FLOAT,ascii::space,result);
return r && (str_beg == str_end);
}
bool string2float(const char * value, float & result)
{
size_t length = strlen(value);
if (length < 1 || value == NULL)
return false;
const char *iter = value;
const char *end = value + length;
bool r = qi::phrase_parse(iter,end,FLOAT,ascii::space,result);
return r && (iter == end);
}
}
}
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