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add missing extract_bounding_boxes_x3.cpp back

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This commit is contained in:
artemp 2016-11-25 17:16:13 +01:00
parent a40d4ee83f
commit c5e44cc7a6
1 changed files with 21 additions and 52 deletions
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71
utils/mapnik-index/extract_bounding_boxes_x3.cpp → src/json/extract_bounding_boxes_x3.cpp
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@ -23,9 +23,10 @@
#include <mapnik/box2d.hpp>
#include <mapnik/json/extract_bounding_boxes_x3.hpp>
#include <mapnik/json/json_grammar_config.hpp>
#include <mapnik/json/geojson_grammar_x3_def.hpp>
#include <mapnik/json/unicode_string_grammar_x3_def.hpp>
#include <mapnik/json/positions_grammar_x3_def.hpp>
#include <mapnik/json/extract_bounding_boxes_x3_config.hpp>
#include <mapnik/json/geojson_grammar_x3.hpp>
#include <mapnik/json/unicode_string_grammar_x3.hpp>
#include <mapnik/json/positions_grammar_x3.hpp>
namespace mapnik { namespace json {
@ -93,9 +94,9 @@ auto on_feature_callback = [] (auto const& ctx)
namespace { auto const& geojson_value = geojson_grammar();}
// import unicode string rule
//namespace { auto const& geojson_string = unicode_string_grammar(); }
namespace { auto const& geojson_string = unicode_string_grammar(); }
// import positions rule
//namespace { auto const& positions_rule = positions_grammar(); }
namespace { auto const& positions_rule = positions_grammar(); }
// extract bounding box from GeoJSON Feature
@ -134,11 +135,13 @@ auto extract_bounding_box = [](auto const& ctx)
_val(ctx) = std::move(bbox);
};
auto const coordinates_rule = x3::rule<struct coordinates_rule_tag, mapnik::box2d<float> > {}
= lit("\"coordinates\"") >> lit(':') >> positions_rule[extract_bounding_box];
x3::rule<struct coordinates_rule_tag, mapnik::box2d<float> > const coordinates_rule = "Coordinates";
x3::rule<struct bounding_box_rule_tag, std::tuple<boost::iterator_range<base_iterator_type>,mapnik::box2d<float>>> const bounding_box = "Bounding Box";
x3::rule<struct feature_collection_tag> const feature_collection = "Feature Collection";
auto const bounding_box = x3::rule<struct bounding_box_rule_tag, std::tuple<boost::iterator_range<base_iterator_type>,mapnik::box2d<float>>> {}
= raw[lit('{')[open_bracket] >> *(eps[check_brackets] >>
auto const coordinates_rule_def = lit("\"coordinates\"") >> lit(':') >> positions_rule[extract_bounding_box];
auto const bounding_box_def = raw[lit('{')[open_bracket] >> *(eps[check_brackets] >>
(lit("\"FeatureCollection\"") > eps(false)
|
lit('{')[open_bracket]
@ -161,45 +164,13 @@ auto const features = lit("\"features\"")
auto const type = lit("\"type\"") > lit(':') > lit("\"FeatureCollection\"");
auto const feature_collection = x3::rule<struct feature_collection_tag> {}
= lit('{') > (( type | features | key_value_) % lit(',')) > lit('}');
}
namespace {
struct collect_features
{
collect_features(std::vector<mapnik::json::geojson_value> & values)
: values_(values) {}
void operator() (mapnik::json::geojson_value && val) const
{
values_.push_back(std::move(val));
}
std::vector<mapnik::json::geojson_value> & values_;
};
template <typename Iterator, typename Boxes>
struct extract_positions
{
extract_positions(Iterator start, Boxes & boxes)
: start_(start),
boxes_(boxes) {}
template <typename T>
void operator() (T const& val) const
{
auto const& r = std::get<0>(val);
mapnik::box2d<float> const& bbox = std::get<1>(val);
auto offset = std::distance(start_, r.begin());
auto size = std::distance(r.begin(), r.end());
boxes_.emplace_back(std::make_pair(bbox,std::make_pair(offset, size)));
//boxes_.emplace_back(std::make_tuple(bbox,offset, size));
}
Iterator start_;
Boxes & boxes_;
};
auto const feature_collection_def = lit('{') > (( type | features | key_value_) % lit(',')) > lit('}');
BOOST_SPIRIT_DEFINE (
coordinates_rule,
bounding_box,
feature_collection
);
}
template <typename Iterator, typename Boxes>
@ -214,8 +185,8 @@ void extract_bounding_boxes(Iterator start, Iterator end, Boxes & boxes)
auto keys = mapnik::json::get_keys();
std::size_t bracket_counter = 0;
auto feature_collection_impl = x3::with<mapnik::json::grammar::bracket_tag>(std::ref(bracket_counter))
[x3::with<mapnik::json::keys_tag>(std::ref(keys))
[x3::with<mapnik::json::grammar::feature_callback_tag>(std::ref(callback))
[x3::with<mapnik::json::keys_tag>(std::ref(keys))
[mapnik::json::grammar::feature_collection]
]];
@ -225,9 +196,7 @@ void extract_bounding_boxes(Iterator start, Iterator end, Boxes & boxes)
}
}
using box_type = mapnik::box2d<float>;
using boxes_type = std::vector<std::pair<box_type, std::pair<std::size_t, std::size_t>>>;
using base_iterator_type = char const*;
template void extract_bounding_boxes<base_iterator_type, boxes_type>(base_iterator_type, base_iterator_type, boxes_type&);
}}