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
parent
8f803b9897
commit
348dfff0c7
3 changed files with 230 additions and 190 deletions
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@ -25,6 +25,7 @@
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// mapnik
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#include <mapnik/geometry.hpp>
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#include <mapnik/value.hpp>
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// spirit::qi
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#include <boost/config/warning_disable.hpp>
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@ -135,196 +136,7 @@ struct feature_grammar :
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qi::grammar<Iterator, void(FeatureType&),
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space_type>
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{
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feature_grammar(mapnik::transcoder const& tr)
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: feature_grammar::base_type(feature,"feature"),
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put_property_(put_property(tr))
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{
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using qi::lit;
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using qi::int_;
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using qi::double_;
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#if BOOST_VERSION > 104200
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using qi::no_skip;
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#else
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using qi::lexeme;
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#endif
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using standard_wide::char_;
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using qi::_val;
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using qi::_1;
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using qi::_2;
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using qi::_3;
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using qi::_4;
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using qi::_a;
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using qi::_b;
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using qi::_r1;
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using qi::_r2;
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using qi::fail;
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using qi::on_error;
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using qi::_pass;
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using qi::eps;
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using qi::raw;
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using phoenix::new_;
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using phoenix::push_back;
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using phoenix::construct;
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// generic json types
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value = object | array | string_
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| number
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;
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pairs = key_value % lit(',')
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;
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key_value = (string_ >> lit(':') >> value)
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;
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object = lit('{')
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>> *pairs
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>> lit('}')
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;
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array = lit('[')
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>> value >> *(lit(',') >> value)
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>> lit(']')
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;
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number %= strict_double
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| int_
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| lit("true") [_val = true]
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| lit ("false") [_val = false]
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| lit("null")[_val = construct<value_null>()]
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;
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unesc_char.add
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("\\\"", '\"') // quotation mark
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("\\\\", '\\') // reverse solidus
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("\\/", '/') // solidus
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("\\b", '\b') // backspace
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("\\f", '\f') // formfeed
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("\\n", '\n') // newline
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("\\r", '\r') // carrige return
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("\\t", '\t') // tab
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;
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string_ %= lit('"') >> *(unesc_char | "\\u" >> hex4 | (char_ - lit('"'))) >> lit('"')
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;
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// geojson types
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feature_type = lit("\"type\"")
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>> lit(':')
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>> lit("\"Feature\"")
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;
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feature = lit('{')
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>> (feature_type | (lit("\"geometry\"") > lit(':') > geometry(_r1)) | properties(_r1) | key_value) % lit(',')
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>> lit('}')
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;
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properties = lit("\"properties\"")
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>> lit(':') >> (lit('{') >> attributes(_r1) >> lit('}')) | lit("null")
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;
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attributes = (string_ [_a = _1] >> lit(':') >> attribute_value [put_property_(_r1,_a,_1)]) % lit(',')
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;
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attribute_value %= number | string_ ;
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// Nabialek trick - FIXME: how to bind argument to dispatch rule?
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// geometry = lit("\"geometry\"")
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// >> lit(':') >> lit('{')
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// >> lit("\"type\"") >> lit(':') >> geometry_dispatch[_a = _1]
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// >> lit(',') >> lit("\"coordinates\"") >> lit(':')
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// >> qi::lazy(*_a)
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// >> lit('}')
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// ;
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// geometry_dispatch.add
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// ("\"Point\"",&point_coordinates)
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// ("\"LineString\"",&linestring_coordinates)
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// ("\"Polygon\"",&polygon_coordinates)
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// ;
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//////////////////////////////////////////////////////////////////
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geometry = (lit('{')[_a = 0 ]
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>> lit("\"type\"") >> lit(':') >> geometry_dispatch[_a = _1] // <---- should be Nabialek trick!
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>> lit(',')
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>> (lit("\"coordinates\"") > lit(':') > coordinates(_r1,_a)
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lit("\"geometries\"") > lit(':')
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>> lit('[') >> geometry_collection(_r1) >> lit(']'))
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>> lit('}'))
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| lit("null")
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;
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geometry_dispatch.add
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("\"Point\"",1)
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("\"LineString\"",2)
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("\"Polygon\"",3)
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("\"MultiPoint\"",4)
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("\"MultiLineString\"",5)
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("\"MultiPolygon\"",6)
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("\"GeometryCollection\"",7)
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//
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;
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coordinates = (eps(_r2 == 1) > point_coordinates(extract_geometry_(_r1)))
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| (eps(_r2 == 2) > linestring_coordinates(extract_geometry_(_r1)))
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| (eps(_r2 == 3) > polygon_coordinates(extract_geometry_(_r1)))
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| (eps(_r2 == 4) > multipoint_coordinates(extract_geometry_(_r1)))
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| (eps(_r2 == 5) > multilinestring_coordinates(extract_geometry_(_r1)))
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| (eps(_r2 == 6) > multipolygon_coordinates(extract_geometry_(_r1)))
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;
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point_coordinates = eps[ _a = new_<geometry_type>(Point) ]
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> ( point(SEG_MOVETO,_a) [push_back(_r1,_a)] | eps[cleanup_(_a)][_pass = false] )
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;
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linestring_coordinates = eps[ _a = new_<geometry_type>(LineString)]
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> -(points(_a) [push_back(_r1,_a)]
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| eps[cleanup_(_a)][_pass = false])
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;
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polygon_coordinates = eps[ _a = new_<geometry_type>(Polygon) ]
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> ((lit('[')
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> -(points(_a) % lit(','))
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> lit(']')) [push_back(_r1,_a)]
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| eps[cleanup_(_a)][_pass = false])
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;
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multipoint_coordinates = lit('[')
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> -(point_coordinates(_r1) % lit(','))
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> lit(']')
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;
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multilinestring_coordinates = lit('[')
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> -(linestring_coordinates(_r1) % lit(','))
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> lit(']')
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;
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multipolygon_coordinates = lit('[')
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> -(polygon_coordinates(_r1) % lit(','))
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> lit(']')
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;
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geometry_collection = *geometry(_r1) >> *(lit(',') >> geometry(_r1))
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;
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// point
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point = lit('[') > -((double_ > lit(',') > double_)[push_vertex_(_r1,_r2,_1,_2)]) > lit(']');
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// points
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points = lit('[')[_a = SEG_MOVETO] > -(point (_a,_r1) % lit(',')[_a = SEG_LINETO]) > lit(']');
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on_error<fail>
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(
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feature
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, std::clog
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<< phoenix::val("Error! Expecting ")
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<< _4 // what failed?
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<< phoenix::val(" here: \"")
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<< construct<std::string>(_3, _2) // iterators to error-pos, end
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<< phoenix::val("\"")
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<< std::endl
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);
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}
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feature_grammar(mapnik::transcoder const& tr);
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// start
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// generic JSON
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@ -165,6 +165,7 @@ source = Split(
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svg_points_parser.cpp
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svg_transform_parser.cpp
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warp.cpp
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json/feature_grammar.cpp
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json/feature_collection_parser.cpp
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json/geojson_generator.cpp
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markers_placement.cpp
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227
src/json/feature_grammar.cpp
Normal file
227
src/json/feature_grammar.cpp
Normal file
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@ -0,0 +1,227 @@
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/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2012 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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// mapnik
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#include <mapnik/feature.hpp>
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#include <mapnik/json/feature_grammar.hpp>
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// boost
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#include <boost/spirit/include/support_multi_pass.hpp>
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namespace mapnik { namespace json {
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template <typename Iterator, typename FeatureType>
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feature_grammar<Iterator,FeatureType>::feature_grammar(mapnik::transcoder const& tr)
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: feature_grammar::base_type(feature,"feature"),
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put_property_(put_property(tr))
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{
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using qi::lit;
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using qi::int_;
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using qi::double_;
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#if BOOST_VERSION > 104200
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using qi::no_skip;
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#else
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using qi::lexeme;
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#endif
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using standard_wide::char_;
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using qi::_val;
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using qi::_1;
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using qi::_2;
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using qi::_3;
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using qi::_4;
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using qi::_a;
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using qi::_b;
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using qi::_r1;
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using qi::_r2;
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using qi::fail;
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using qi::on_error;
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using qi::_pass;
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using qi::eps;
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using qi::raw;
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using phoenix::new_;
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using phoenix::push_back;
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using phoenix::construct;
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// generic json types
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value = object | array | string_
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| number
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;
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pairs = key_value % lit(',')
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;
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key_value = (string_ >> lit(':') >> value)
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;
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object = lit('{')
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>> *pairs
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>> lit('}')
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;
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array = lit('[')
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>> value >> *(lit(',') >> value)
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>> lit(']')
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;
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number %= strict_double
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| int_
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| lit("true") [_val = true]
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| lit ("false") [_val = false]
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| lit("null")[_val = construct<value_null>()]
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;
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unesc_char.add
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("\\\"", '\"') // quotation mark
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("\\\\", '\\') // reverse solidus
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("\\/", '/') // solidus
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("\\b", '\b') // backspace
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("\\f", '\f') // formfeed
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("\\n", '\n') // newline
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("\\r", '\r') // carrige return
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("\\t", '\t') // tab
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;
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string_ %= lit('"') >> *(unesc_char | "\\u" >> hex4 | (char_ - lit('"'))) >> lit('"')
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;
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// geojson types
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feature_type = lit("\"type\"")
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>> lit(':')
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>> lit("\"Feature\"")
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;
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feature = lit('{')
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>> (feature_type | (lit("\"geometry\"") > lit(':') > geometry(_r1)) | properties(_r1) | key_value) % lit(',')
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>> lit('}')
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;
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properties = lit("\"properties\"")
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>> lit(':') >> (lit('{') >> attributes(_r1) >> lit('}')) | lit("null")
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;
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attributes = (string_ [_a = _1] >> lit(':') >> attribute_value [put_property_(_r1,_a,_1)]) % lit(',')
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;
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attribute_value %= number | string_ ;
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// Nabialek trick - FIXME: how to bind argument to dispatch rule?
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// geometry = lit("\"geometry\"")
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// >> lit(':') >> lit('{')
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// >> lit("\"type\"") >> lit(':') >> geometry_dispatch[_a = _1]
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// >> lit(',') >> lit("\"coordinates\"") >> lit(':')
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// >> qi::lazy(*_a)
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// >> lit('}')
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// ;
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// geometry_dispatch.add
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// ("\"Point\"",&point_coordinates)
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// ("\"LineString\"",&linestring_coordinates)
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// ("\"Polygon\"",&polygon_coordinates)
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// ;
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//////////////////////////////////////////////////////////////////
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geometry = (lit('{')[_a = 0 ]
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>> lit("\"type\"") >> lit(':') >> geometry_dispatch[_a = _1] // <---- should be Nabialek trick!
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>> lit(',')
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>> (lit("\"coordinates\"") > lit(':') > coordinates(_r1,_a)
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lit("\"geometries\"") > lit(':')
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>> lit('[') >> geometry_collection(_r1) >> lit(']'))
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>> lit('}'))
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| lit("null")
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;
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geometry_dispatch.add
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("\"Point\"",1)
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("\"LineString\"",2)
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("\"Polygon\"",3)
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("\"MultiPoint\"",4)
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("\"MultiLineString\"",5)
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("\"MultiPolygon\"",6)
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("\"GeometryCollection\"",7)
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//
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;
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coordinates = (eps(_r2 == 1) > point_coordinates(extract_geometry_(_r1)))
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| (eps(_r2 == 2) > linestring_coordinates(extract_geometry_(_r1)))
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| (eps(_r2 == 3) > polygon_coordinates(extract_geometry_(_r1)))
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| (eps(_r2 == 4) > multipoint_coordinates(extract_geometry_(_r1)))
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| (eps(_r2 == 5) > multilinestring_coordinates(extract_geometry_(_r1)))
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| (eps(_r2 == 6) > multipolygon_coordinates(extract_geometry_(_r1)))
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;
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point_coordinates = eps[ _a = new_<geometry_type>(Point) ]
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> ( point(SEG_MOVETO,_a) [push_back(_r1,_a)] | eps[cleanup_(_a)][_pass = false] )
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;
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linestring_coordinates = eps[ _a = new_<geometry_type>(LineString)]
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> -(points(_a) [push_back(_r1,_a)]
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| eps[cleanup_(_a)][_pass = false])
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;
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polygon_coordinates = eps[ _a = new_<geometry_type>(Polygon) ]
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> ((lit('[')
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> -(points(_a) % lit(','))
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> lit(']')) [push_back(_r1,_a)]
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| eps[cleanup_(_a)][_pass = false])
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;
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multipoint_coordinates = lit('[')
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> -(point_coordinates(_r1) % lit(','))
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> lit(']')
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;
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multilinestring_coordinates = lit('[')
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> -(linestring_coordinates(_r1) % lit(','))
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> lit(']')
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;
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multipolygon_coordinates = lit('[')
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> -(polygon_coordinates(_r1) % lit(','))
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> lit(']')
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;
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geometry_collection = *geometry(_r1) >> *(lit(',') >> geometry(_r1))
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;
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// point
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point = lit('[') > -((double_ > lit(',') > double_)[push_vertex_(_r1,_r2,_1,_2)]) > lit(']');
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// points
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points = lit('[')[_a = SEG_MOVETO] > -(point (_a,_r1) % lit(',')[_a = SEG_LINETO]) > lit(']');
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on_error<fail>
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(
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feature
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, std::clog
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<< phoenix::val("Error! Expecting ")
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<< _4 // what failed?
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<< phoenix::val(" here: \"")
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<< construct<std::string>(_3, _2) // iterators to error-pos, end
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<< phoenix::val("\"")
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<< std::endl
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);
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}
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template struct mapnik::json::feature_grammar<std::string::const_iterator,mapnik::Feature>;
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template struct mapnik::json::feature_grammar<boost::spirit::multi_pass<std::istreambuf_iterator<char> >,mapnik::Feature>;
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}}
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