remove unused symbolizer_grammar.hpp (ref #3343)

This commit is contained in:
artemp 2016-03-18 18:51:19 +01:00
parent 342b78dc52
commit 7b0740c3b7

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@ -1,216 +0,0 @@
/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2015 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_SYMBOLIZER_GRAMMAR_HPP
#define MAPNIK_SYMBOLIZER_GRAMMAR_HPP
#include <mapnik/config.hpp>
// boost
#include <boost/spirit/include/qi.hpp>
#include <boost/spirit/include/phoenix.hpp>
// mapnik
#include <mapnik/util/variant.hpp>
#include <mapnik/symbolizer.hpp>
#include <mapnik/symbolizer_utils.hpp>
#include <mapnik/json/error_handler.hpp>
#include <mapnik/json/generic_json.hpp>
namespace mapnik { namespace json {
namespace qi = boost::spirit::qi;
namespace phoenix = boost::phoenix;
namespace fusion = boost::fusion;
namespace standard_wide = boost::spirit::standard_wide;
using standard_wide::space_type;
template <typename Symbolizer>
struct json_value_visitor
{
json_value_visitor(Symbolizer & sym, mapnik::keys key)
: sym_(sym), key_(key) {}
void operator() (value_bool val) const
{
put<value_bool>(sym_, key_, val);
}
void operator() (value_integer val) const
{
put<value_integer>(sym_, key_, val);
}
void operator() (value_double val) const
{
put<value_double>(sym_, key_, val);
}
void operator() (std::string const& val) const
{
set_property(sym_, key_, val);
}
template <typename T>
void operator() (T const& val) const
{
std::cerr << std::get<0>(get_meta(key_)) << ":" << val << std::endl;
//put<T>(sym_, key_, val);
}
Symbolizer & sym_;
keys key_;
};
template <typename T>
struct put_property_visitor
{
using value_type = T;
put_property_visitor(mapnik::keys key, value_type const& val)
: key_(key), val_(val) {}
template <typename Symbolizer>
void operator() (Symbolizer & sym) const
{
mapnik::util::apply_visitor(json_value_visitor<Symbolizer>(sym, key_), val_);
}
keys key_;
value_type const& val_;
};
struct put_property
{
using result_type = void;
template <typename T0,typename T1, typename T2>
result_type operator() (T0 & sym, T1 const& name, T2 const& val) const
{
try
{
mapnik::util::apply_visitor(put_property_visitor<T2>(get_key(name),val), sym);
}
catch (std::runtime_error const& err)
{
std::cerr << err.what() << std::endl;
}
}
};
template <typename Iterator, typename ErrorHandler = error_handler<Iterator>>
struct symbolizer_grammar : qi::grammar<Iterator, space_type, symbolizer()>
{
using json_value_type = util::variant<value_null,value_bool,value_integer,value_double, std::string>;
symbolizer_grammar()
: symbolizer_grammar::base_type(sym, "symbolizer"),
json_()
{
qi::lit_type lit;
qi::double_type double_;
qi::int_type int_;
qi::no_skip_type no_skip;
qi::_val_type _val;
qi::_a_type _a;
qi::_r1_type _r1;
qi::_1_type _1;
standard_wide::char_type char_;
using phoenix::construct;
// generic json types
json_.value = json_.object | json_.array | json_.string_
| json_.number
;
json_.pairs = json_.key_value % lit(',')
;
json_.key_value = (json_.string_ >> lit(':') >> json_.value)
;
json_.object = lit('{')
>> *json_.pairs
>> lit('}')
;
json_.array = lit('[')
>> json_.value >> *(lit(',') >> json_.value)
>> lit(']')
;
json_.number %= json_.strict_double
| json_.int__
| lit("true") [_val = true]
| lit ("false") [_val = false]
| lit("null")[_val = construct<value_null>()]
;
json_.unesc_char.add
("\\\"", '\"') // quotation mark
("\\\\", '\\') // reverse solidus
("\\/", '/') // solidus
("\\b", '\b') // backspace
("\\f", '\f') // formfeed
("\\n", '\n') // newline
("\\r", '\r') // carrige return
("\\t", '\t') // tab
;
json_.string_ %= lit('"') >> no_skip[*(json_.unesc_char | "\\u" >> json_.hex4 | (char_ - lit('"')))] >> lit('"')
;
sym = lit('{')
>> lit("\"type\"") >> lit(':')
>> (lit("\"PointSymbolizer\"")[_val = construct<point_symbolizer>()]
|
lit("\"LineSymbolizer\"")[_val = construct<line_symbolizer>()]
|
lit("\"PolygonSymbolizer\"")[_val = construct<polygon_symbolizer>()]
)
>> lit(',')
>> lit("\"properties\"") >> lit(':')
>> ((lit('{') >> *property(_val) >> lit('}')) | lit("null"))
>> lit('}')
;
property = (json_.string_ [_a = _1] >> lit(':') >> property_value [put_property_(_r1,_a,_1)]) % lit(',')
;
property_value %= json_.number | json_.string_ ;
}
// generic JSON
generic_json<Iterator> json_;
// symbolizer
qi::rule<Iterator, space_type, mapnik::symbolizer()> sym;
qi::rule<Iterator,qi::locals<std::string>, void(mapnik::symbolizer&),space_type> property;
qi::rule<Iterator, space_type, json_value_type()> property_value;
phoenix::function<put_property> put_property_;
// error
//qi::on_error<qi::fail>(sym, error_handler(_1, _2, _3, _4));
};
}}
#endif // MAPNIK_SYMBOLIZER_GRAMMAR_HPP