move feature_grammar to cpp file reducing compile time mem usage for feature_collection_parser.cpp - refs #1267

This commit is contained in:
Dane Springmeyer 2012-07-23 17:03:06 -07:00
parent 8f803b9897
commit 348dfff0c7
3 changed files with 230 additions and 190 deletions

View file

@ -25,6 +25,7 @@
// mapnik // mapnik
#include <mapnik/geometry.hpp> #include <mapnik/geometry.hpp>
#include <mapnik/value.hpp>
// spirit::qi // spirit::qi
#include <boost/config/warning_disable.hpp> #include <boost/config/warning_disable.hpp>
@ -135,196 +136,7 @@ struct feature_grammar :
qi::grammar<Iterator, void(FeatureType&), qi::grammar<Iterator, void(FeatureType&),
space_type> space_type>
{ {
feature_grammar(mapnik::transcoder const& tr) feature_grammar(mapnik::transcoder const& tr);
: feature_grammar::base_type(feature,"feature"),
put_property_(put_property(tr))
{
using qi::lit;
using qi::int_;
using qi::double_;
#if BOOST_VERSION > 104200
using qi::no_skip;
#else
using qi::lexeme;
#endif
using standard_wide::char_;
using qi::_val;
using qi::_1;
using qi::_2;
using qi::_3;
using qi::_4;
using qi::_a;
using qi::_b;
using qi::_r1;
using qi::_r2;
using qi::fail;
using qi::on_error;
using qi::_pass;
using qi::eps;
using qi::raw;
using phoenix::new_;
using phoenix::push_back;
using phoenix::construct;
// generic json types
value = object | array | string_
| number
;
pairs = key_value % lit(',')
;
key_value = (string_ >> lit(':') >> value)
;
object = lit('{')
>> *pairs
>> lit('}')
;
array = lit('[')
>> value >> *(lit(',') >> value)
>> lit(']')
;
number %= strict_double
| int_
| lit("true") [_val = true]
| lit ("false") [_val = false]
| lit("null")[_val = construct<value_null>()]
;
unesc_char.add
("\\\"", '\"') // quotation mark
("\\\\", '\\') // reverse solidus
("\\/", '/') // solidus
("\\b", '\b') // backspace
("\\f", '\f') // formfeed
("\\n", '\n') // newline
("\\r", '\r') // carrige return
("\\t", '\t') // tab
;
string_ %= lit('"') >> *(unesc_char | "\\u" >> hex4 | (char_ - lit('"'))) >> lit('"')
;
// geojson types
feature_type = lit("\"type\"")
>> lit(':')
>> lit("\"Feature\"")
;
feature = lit('{')
>> (feature_type | (lit("\"geometry\"") > lit(':') > geometry(_r1)) | properties(_r1) | key_value) % lit(',')
>> lit('}')
;
properties = lit("\"properties\"")
>> lit(':') >> (lit('{') >> attributes(_r1) >> lit('}')) | lit("null")
;
attributes = (string_ [_a = _1] >> lit(':') >> attribute_value [put_property_(_r1,_a,_1)]) % lit(',')
;
attribute_value %= number | string_ ;
// Nabialek trick - FIXME: how to bind argument to dispatch rule?
// geometry = lit("\"geometry\"")
// >> lit(':') >> lit('{')
// >> lit("\"type\"") >> lit(':') >> geometry_dispatch[_a = _1]
// >> lit(',') >> lit("\"coordinates\"") >> lit(':')
// >> qi::lazy(*_a)
// >> lit('}')
// ;
// geometry_dispatch.add
// ("\"Point\"",&point_coordinates)
// ("\"LineString\"",&linestring_coordinates)
// ("\"Polygon\"",&polygon_coordinates)
// ;
//////////////////////////////////////////////////////////////////
geometry = (lit('{')[_a = 0 ]
>> lit("\"type\"") >> lit(':') >> geometry_dispatch[_a = _1] // <---- should be Nabialek trick!
>> lit(',')
>> (lit("\"coordinates\"") > lit(':') > coordinates(_r1,_a)
|
lit("\"geometries\"") > lit(':')
>> lit('[') >> geometry_collection(_r1) >> lit(']'))
>> lit('}'))
| lit("null")
;
geometry_dispatch.add
("\"Point\"",1)
("\"LineString\"",2)
("\"Polygon\"",3)
("\"MultiPoint\"",4)
("\"MultiLineString\"",5)
("\"MultiPolygon\"",6)
("\"GeometryCollection\"",7)
//
;
coordinates = (eps(_r2 == 1) > point_coordinates(extract_geometry_(_r1)))
| (eps(_r2 == 2) > linestring_coordinates(extract_geometry_(_r1)))
| (eps(_r2 == 3) > polygon_coordinates(extract_geometry_(_r1)))
| (eps(_r2 == 4) > multipoint_coordinates(extract_geometry_(_r1)))
| (eps(_r2 == 5) > multilinestring_coordinates(extract_geometry_(_r1)))
| (eps(_r2 == 6) > multipolygon_coordinates(extract_geometry_(_r1)))
;
point_coordinates = eps[ _a = new_<geometry_type>(Point) ]
> ( point(SEG_MOVETO,_a) [push_back(_r1,_a)] | eps[cleanup_(_a)][_pass = false] )
;
linestring_coordinates = eps[ _a = new_<geometry_type>(LineString)]
> -(points(_a) [push_back(_r1,_a)]
| eps[cleanup_(_a)][_pass = false])
;
polygon_coordinates = eps[ _a = new_<geometry_type>(Polygon) ]
> ((lit('[')
> -(points(_a) % lit(','))
> lit(']')) [push_back(_r1,_a)]
| eps[cleanup_(_a)][_pass = false])
;
multipoint_coordinates = lit('[')
> -(point_coordinates(_r1) % lit(','))
> lit(']')
;
multilinestring_coordinates = lit('[')
> -(linestring_coordinates(_r1) % lit(','))
> lit(']')
;
multipolygon_coordinates = lit('[')
> -(polygon_coordinates(_r1) % lit(','))
> lit(']')
;
geometry_collection = *geometry(_r1) >> *(lit(',') >> geometry(_r1))
;
// point
point = lit('[') > -((double_ > lit(',') > double_)[push_vertex_(_r1,_r2,_1,_2)]) > lit(']');
// points
points = lit('[')[_a = SEG_MOVETO] > -(point (_a,_r1) % lit(',')[_a = SEG_LINETO]) > lit(']');
on_error<fail>
(
feature
, std::clog
<< phoenix::val("Error! Expecting ")
<< _4 // what failed?
<< phoenix::val(" here: \"")
<< construct<std::string>(_3, _2) // iterators to error-pos, end
<< phoenix::val("\"")
<< std::endl
);
}
// start // start
// generic JSON // generic JSON

View file

@ -165,6 +165,7 @@ source = Split(
svg_points_parser.cpp svg_points_parser.cpp
svg_transform_parser.cpp svg_transform_parser.cpp
warp.cpp warp.cpp
json/feature_grammar.cpp
json/feature_collection_parser.cpp json/feature_collection_parser.cpp
json/geojson_generator.cpp json/geojson_generator.cpp
markers_placement.cpp markers_placement.cpp

View file

@ -0,0 +1,227 @@
/*****************************************************************************
*
* 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/feature.hpp>
#include <mapnik/json/feature_grammar.hpp>
// boost
#include <boost/spirit/include/support_multi_pass.hpp>
namespace mapnik { namespace json {
template <typename Iterator, typename FeatureType>
feature_grammar<Iterator,FeatureType>::feature_grammar(mapnik::transcoder const& tr)
: feature_grammar::base_type(feature,"feature"),
put_property_(put_property(tr))
{
using qi::lit;
using qi::int_;
using qi::double_;
#if BOOST_VERSION > 104200
using qi::no_skip;
#else
using qi::lexeme;
#endif
using standard_wide::char_;
using qi::_val;
using qi::_1;
using qi::_2;
using qi::_3;
using qi::_4;
using qi::_a;
using qi::_b;
using qi::_r1;
using qi::_r2;
using qi::fail;
using qi::on_error;
using qi::_pass;
using qi::eps;
using qi::raw;
using phoenix::new_;
using phoenix::push_back;
using phoenix::construct;
// generic json types
value = object | array | string_
| number
;
pairs = key_value % lit(',')
;
key_value = (string_ >> lit(':') >> value)
;
object = lit('{')
>> *pairs
>> lit('}')
;
array = lit('[')
>> value >> *(lit(',') >> value)
>> lit(']')
;
number %= strict_double
| int_
| lit("true") [_val = true]
| lit ("false") [_val = false]
| lit("null")[_val = construct<value_null>()]
;
unesc_char.add
("\\\"", '\"') // quotation mark
("\\\\", '\\') // reverse solidus
("\\/", '/') // solidus
("\\b", '\b') // backspace
("\\f", '\f') // formfeed
("\\n", '\n') // newline
("\\r", '\r') // carrige return
("\\t", '\t') // tab
;
string_ %= lit('"') >> *(unesc_char | "\\u" >> hex4 | (char_ - lit('"'))) >> lit('"')
;
// geojson types
feature_type = lit("\"type\"")
>> lit(':')
>> lit("\"Feature\"")
;
feature = lit('{')
>> (feature_type | (lit("\"geometry\"") > lit(':') > geometry(_r1)) | properties(_r1) | key_value) % lit(',')
>> lit('}')
;
properties = lit("\"properties\"")
>> lit(':') >> (lit('{') >> attributes(_r1) >> lit('}')) | lit("null")
;
attributes = (string_ [_a = _1] >> lit(':') >> attribute_value [put_property_(_r1,_a,_1)]) % lit(',')
;
attribute_value %= number | string_ ;
// Nabialek trick - FIXME: how to bind argument to dispatch rule?
// geometry = lit("\"geometry\"")
// >> lit(':') >> lit('{')
// >> lit("\"type\"") >> lit(':') >> geometry_dispatch[_a = _1]
// >> lit(',') >> lit("\"coordinates\"") >> lit(':')
// >> qi::lazy(*_a)
// >> lit('}')
// ;
// geometry_dispatch.add
// ("\"Point\"",&point_coordinates)
// ("\"LineString\"",&linestring_coordinates)
// ("\"Polygon\"",&polygon_coordinates)
// ;
//////////////////////////////////////////////////////////////////
geometry = (lit('{')[_a = 0 ]
>> lit("\"type\"") >> lit(':') >> geometry_dispatch[_a = _1] // <---- should be Nabialek trick!
>> lit(',')
>> (lit("\"coordinates\"") > lit(':') > coordinates(_r1,_a)
|
lit("\"geometries\"") > lit(':')
>> lit('[') >> geometry_collection(_r1) >> lit(']'))
>> lit('}'))
| lit("null")
;
geometry_dispatch.add
("\"Point\"",1)
("\"LineString\"",2)
("\"Polygon\"",3)
("\"MultiPoint\"",4)
("\"MultiLineString\"",5)
("\"MultiPolygon\"",6)
("\"GeometryCollection\"",7)
//
;
coordinates = (eps(_r2 == 1) > point_coordinates(extract_geometry_(_r1)))
| (eps(_r2 == 2) > linestring_coordinates(extract_geometry_(_r1)))
| (eps(_r2 == 3) > polygon_coordinates(extract_geometry_(_r1)))
| (eps(_r2 == 4) > multipoint_coordinates(extract_geometry_(_r1)))
| (eps(_r2 == 5) > multilinestring_coordinates(extract_geometry_(_r1)))
| (eps(_r2 == 6) > multipolygon_coordinates(extract_geometry_(_r1)))
;
point_coordinates = eps[ _a = new_<geometry_type>(Point) ]
> ( point(SEG_MOVETO,_a) [push_back(_r1,_a)] | eps[cleanup_(_a)][_pass = false] )
;
linestring_coordinates = eps[ _a = new_<geometry_type>(LineString)]
> -(points(_a) [push_back(_r1,_a)]
| eps[cleanup_(_a)][_pass = false])
;
polygon_coordinates = eps[ _a = new_<geometry_type>(Polygon) ]
> ((lit('[')
> -(points(_a) % lit(','))
> lit(']')) [push_back(_r1,_a)]
| eps[cleanup_(_a)][_pass = false])
;
multipoint_coordinates = lit('[')
> -(point_coordinates(_r1) % lit(','))
> lit(']')
;
multilinestring_coordinates = lit('[')
> -(linestring_coordinates(_r1) % lit(','))
> lit(']')
;
multipolygon_coordinates = lit('[')
> -(polygon_coordinates(_r1) % lit(','))
> lit(']')
;
geometry_collection = *geometry(_r1) >> *(lit(',') >> geometry(_r1))
;
// point
point = lit('[') > -((double_ > lit(',') > double_)[push_vertex_(_r1,_r2,_1,_2)]) > lit(']');
// points
points = lit('[')[_a = SEG_MOVETO] > -(point (_a,_r1) % lit(',')[_a = SEG_LINETO]) > lit(']');
on_error<fail>
(
feature
, std::clog
<< phoenix::val("Error! Expecting ")
<< _4 // what failed?
<< phoenix::val(" here: \"")
<< construct<std::string>(_3, _2) // iterators to error-pos, end
<< phoenix::val("\"")
<< std::endl
);
}
template struct mapnik::json::feature_grammar<std::string::const_iterator,mapnik::Feature>;
template struct mapnik::json::feature_grammar<boost::spirit::multi_pass<std::istreambuf_iterator<char> >,mapnik::Feature>;
}}