re-implement mapnik::value deriving from value_base and update across core
fix mapnik::value conversions in topojson plugin
This commit is contained in:
parent
0985cc907d
commit
72e2f4446f
12 changed files with 67 additions and 77 deletions
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@ -71,7 +71,7 @@ namespace boost { namespace python {
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{
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{
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static PyObject* convert(mapnik::value const& v)
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static PyObject* convert(mapnik::value const& v)
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{
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{
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return mapnik::util::apply_visitor(value_converter(),v.base());
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return mapnik::util::apply_visitor(value_converter(),v);
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}
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}
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};
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};
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@ -70,7 +70,7 @@ struct value_not_null
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{
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{
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bool operator() (feature_kv_iterator::value_type const& kv) const
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bool operator() (feature_kv_iterator::value_type const& kv) const
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{
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{
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return !util::apply_visitor(mapnik::detail::is_null_visitor(), std::get<1>(kv).base());
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return !util::apply_visitor(mapnik::detail::is_null_visitor(), std::get<1>(kv));
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}
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}
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};
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};
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@ -126,15 +126,6 @@ struct utf8
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}
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}
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};
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};
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struct value_base
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{
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using result_type = mapnik::value_base const&;
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mapnik::value_base const& operator() (mapnik::value const& val) const
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{
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return val.base();
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}
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};
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template <typename OutputIterator>
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template <typename OutputIterator>
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struct escaped_string
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struct escaped_string
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: karma::grammar<OutputIterator, std::string(char const*)>
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: karma::grammar<OutputIterator, std::string(char const*)>
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@ -150,7 +141,7 @@ struct extract_string
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result_type operator() (mapnik::value const& val) const
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result_type operator() (mapnik::value const& val) const
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{
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{
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bool need_quotes = val.base().is<value_unicode_string>();
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bool need_quotes = val.is<value_unicode_string>();
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return std::make_tuple(val.to_string(), need_quotes);
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return std::make_tuple(val.to_string(), need_quotes);
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}
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}
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};
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};
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@ -173,7 +164,6 @@ struct feature_generator_grammar:
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karma::rule<OutputIterator, mapnik::value_unicode_string()> ustring;
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karma::rule<OutputIterator, mapnik::value_unicode_string()> ustring;
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typename karma::int_generator<mapnik::value_integer,10, false> int__;
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typename karma::int_generator<mapnik::value_integer,10, false> int__;
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boost::phoenix::function<get_id> id_;
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boost::phoenix::function<get_id> id_;
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boost::phoenix::function<value_base> value_base_;
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boost::phoenix::function<extract_string> extract_string_;
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boost::phoenix::function<extract_string> extract_string_;
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boost::phoenix::function<utf8> utf8_;
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boost::phoenix::function<utf8> utf8_;
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std::string quote_;
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std::string quote_;
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@ -89,7 +89,7 @@ feature_generator_grammar<OutputIterator>::feature_generator_grammar()
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pair = lit('"')
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pair = lit('"')
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<< kstring[_1 = boost::phoenix::at_c<0>(_val)] << lit('"')
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<< kstring[_1 = boost::phoenix::at_c<0>(_val)] << lit('"')
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<< lit(':')
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<< lit(':')
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<< value[_1 = extract_string_(value_base_(at_c<1>(_val)))]
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<< value[_1 = extract_string_(at_c<1>(_val))]
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;
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;
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value = eps(at_c<1>(_val)) << escaped_string_(quote_.c_str())[_1 = at_c<0>(_val)]
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value = eps(at_c<1>(_val)) << escaped_string_(quote_.c_str())[_1 = at_c<0>(_val)]
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@ -70,7 +70,7 @@ struct put_property
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explicit put_property(mapnik::transcoder const& tr)
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explicit put_property(mapnik::transcoder const& tr)
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: tr_(tr) {}
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: tr_(tr) {}
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template <typename T0,typename T1, typename T2>
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template <typename T0,typename T1, typename T2>
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result_type operator() (T0 & feature, T1 const& key, T2 const& val) const
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result_type operator() (T0 & feature, T1 const& key, T2 && val) const
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{
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{
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feature.put_new(key, mapnik::util::apply_visitor(attribute_value_visitor(tr_),val));
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feature.put_new(key, mapnik::util::apply_visitor(attribute_value_visitor(tr_),val));
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}
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}
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@ -104,7 +104,7 @@ struct feature_grammar :
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qi::rule<Iterator,void(FeatureType &),space_type> properties;
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qi::rule<Iterator,void(FeatureType &),space_type> properties;
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qi::rule<Iterator,qi::locals<std::string>, void(FeatureType &),space_type> attributes;
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qi::rule<Iterator,qi::locals<std::string>, void(FeatureType &),space_type> attributes;
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qi::rule<Iterator, mapnik::util::variant<value_null,bool,value_integer,value_double,std::string>(), space_type> attribute_value;
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qi::rule<Iterator, mapnik::util::variant<value_null,value_double,value_integer, bool, std::string>(), space_type> attribute_value;
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phoenix::function<put_property> put_property_;
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phoenix::function<put_property> put_property_;
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phoenix::function<extract_geometry> extract_geometry_;
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phoenix::function<extract_geometry> extract_geometry_;
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@ -41,8 +41,10 @@ struct generic_json
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qi::int_parser<mapnik::value_integer,10,1,-1> int__;
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qi::int_parser<mapnik::value_integer,10,1,-1> int__;
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qi::rule<Iterator,std::string(), space_type> string_;
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qi::rule<Iterator,std::string(), space_type> string_;
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qi::rule<Iterator,space_type> key_value;
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qi::rule<Iterator,space_type> key_value;
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qi::rule<Iterator,mapnik::util::variant<value_null,bool,
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qi::rule<Iterator,mapnik::util::variant<value_null,
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value_integer,value_double,
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value_double,
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value_integer,
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bool,
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std::string>(),space_type> number;
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std::string>(),space_type> number;
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qi::rule<Iterator,space_type> object;
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qi::rule<Iterator,space_type> object;
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qi::rule<Iterator,space_type> array;
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qi::rule<Iterator,space_type> array;
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@ -56,6 +56,21 @@ struct where_message
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}
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}
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};
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};
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namespace detail {
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template <typename T>
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struct value_converter
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{
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using result_type = T;
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template <typename T1>
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result_type operator() (T1 const& val) const
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{
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return static_cast<result_type>(val);
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}
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};
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}
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template <typename Iterator>
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template <typename Iterator>
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struct topojson_grammar : qi::grammar<Iterator, space_type, topology()>
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struct topojson_grammar : qi::grammar<Iterator, space_type, topology()>
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@ -69,9 +84,7 @@ private:
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qi::int_parser<mapnik::value_integer,10,1,-1> int__;
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qi::int_parser<mapnik::value_integer,10,1,-1> int__;
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qi::rule<Iterator,std::string(), space_type> string_;
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qi::rule<Iterator,std::string(), space_type> string_;
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qi::rule<Iterator,space_type> key_value;
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qi::rule<Iterator,space_type> key_value;
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qi::rule<Iterator,space_type, util::variant<value_null,bool,
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qi::rule<Iterator,space_type, mapnik::topojson::value()> number;
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value_integer,value_double,
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std::string>()> number;
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qi::rule<Iterator,space_type> object;
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qi::rule<Iterator,space_type> object;
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qi::rule<Iterator,space_type> array;
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qi::rule<Iterator,space_type> array;
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qi::rule<Iterator,space_type> pairs;
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qi::rule<Iterator,space_type> pairs;
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@ -102,7 +115,9 @@ private:
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qi::rule<Iterator, space_type, mapnik::topojson::value()> attribute_value;
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qi::rule<Iterator, space_type, mapnik::topojson::value()> attribute_value;
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// id
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// id
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qi::rule<Iterator,space_type> id;
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qi::rule<Iterator,space_type> id;
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// conversions
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boost::phoenix::function<detail::value_converter<mapnik::value_integer> > integer_converter;
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boost::phoenix::function<detail::value_converter<mapnik::value_double> > double_converter;
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// error
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// error
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boost::phoenix::function<where_message> where_message_;
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boost::phoenix::function<where_message> where_message_;
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};
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};
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@ -49,7 +49,7 @@ topojson_grammar<Iterator>::topojson_grammar()
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using qi::fail;
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using qi::fail;
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using qi::on_error;
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using qi::on_error;
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using phoenix::push_back;
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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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// generic json types
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value = object | array | string_ | number
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value = object | array | string_ | number
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;
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;
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@ -68,11 +68,11 @@ topojson_grammar<Iterator>::topojson_grammar()
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>> lit(']')
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>> lit(']')
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;
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;
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number %= strict_double
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number = strict_double[_val = double_converter(_1)]
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| int__
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| int__[_val = integer_converter(_1)]
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| lit("true")[_val = true]
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| lit("true")[_val = true]
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| lit("false")[_val = false]
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| lit("false")[_val = false]
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| lit("null")
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| lit("null")[_val = construct<value_null>()]
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;
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;
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unesc_char.add
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unesc_char.add
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@ -43,7 +43,7 @@ struct coordinate
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double y;
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double y;
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};
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};
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using value = mapnik::util::variant<value_null,bool,value_integer,value_double,std::string>;
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using value = mapnik::util::variant<value_null,bool,value_double,value_integer,std::string>;
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using property = std::tuple<std::string, value >;
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using property = std::tuple<std::string, value >;
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using properties = std::vector<property>;
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using properties = std::vector<property>;
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@ -799,9 +799,8 @@ struct to_expression_string : public util::static_visitor<std::string>
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namespace value_adl_barrier {
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namespace value_adl_barrier {
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class value
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class value : public value_base
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{
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{
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value_base base_;
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friend const value operator+(value const&,value const&);
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friend const value operator+(value const&,value const&);
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friend const value operator-(value const&,value const&);
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friend const value operator-(value const&,value const&);
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friend const value operator*(value const&,value const&);
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friend const value operator*(value const&,value const&);
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@ -810,64 +809,55 @@ class value
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public:
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public:
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value () noexcept //-- comment out for VC++11
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value () noexcept //-- comment out for VC++11
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: base_(value_null()) {}
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: value_base(value_null()) {}
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value (value const& other) = default;
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value( value && other) noexcept = default;
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template <typename T>
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template <typename T>
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value ( T const& val)
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value ( T const& val)
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: base_(typename detail::mapnik_value_type<T>::type(val)) {}
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: value_base(typename detail::mapnik_value_type<T>::type(val)) {}
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value (value const& other)
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template <typename T>
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: base_(other.base_) {}
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value ( T && val)
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: value_base(std::move(typename detail::mapnik_value_type<T>::type(val))) {}
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value & operator=( value const& other)
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value & operator=( value const& other) = default;
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{
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if (this == &other)
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return *this;
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base_ = other.base_;
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return *this;
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}
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value( value && other) noexcept
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: base_(std::move(other.base_)) {}
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bool operator==(value const& other) const
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bool operator==(value const& other) const
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{
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{
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return util::apply_visitor(impl::equals(),base_,other.base_);
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return util::apply_visitor(impl::equals(),*this,other);
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}
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}
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bool operator!=(value const& other) const
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bool operator!=(value const& other) const
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{
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{
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return util::apply_visitor(impl::not_equals(),base_,other.base_);
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return util::apply_visitor(impl::not_equals(),*this,other);
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}
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}
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bool operator>(value const& other) const
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bool operator>(value const& other) const
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{
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{
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return util::apply_visitor(impl::greater_than(),base_,other.base_);
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return util::apply_visitor(impl::greater_than(),*this,other);
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}
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}
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bool operator>=(value const& other) const
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bool operator>=(value const& other) const
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{
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{
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return util::apply_visitor(impl::greater_or_equal(),base_,other.base_);
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return util::apply_visitor(impl::greater_or_equal(),*this,other);
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}
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}
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bool operator<(value const& other) const
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bool operator<(value const& other) const
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{
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{
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return util::apply_visitor(impl::less_than(),base_,other.base_);
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return util::apply_visitor(impl::less_than(),*this,other);
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}
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}
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bool operator<=(value const& other) const
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bool operator<=(value const& other) const
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{
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{
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return util::apply_visitor(impl::less_or_equal(),base_,other.base_);
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return util::apply_visitor(impl::less_or_equal(),*this,other);
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}
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}
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value operator- () const
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value operator- () const
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{
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{
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return util::apply_visitor(impl::negate<value>(), base_);
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return util::apply_visitor(impl::negate<value>(), *this);
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}
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value_base const& base() const
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{
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return base_;
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}
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}
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bool is_null() const;
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bool is_null() const;
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@ -875,68 +865,67 @@ public:
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template <typename T>
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template <typename T>
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T convert() const
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T convert() const
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{
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{
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return util::apply_visitor(impl::convert<T>(),base_);
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return util::apply_visitor(impl::convert<T>(),*this);
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}
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}
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value_bool to_bool() const
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value_bool to_bool() const
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{
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{
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return util::apply_visitor(impl::convert<value_bool>(),base_);
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return util::apply_visitor(impl::convert<value_bool>(),*this);
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}
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}
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std::string to_expression_string(char quote = '\'') const
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std::string to_expression_string(char quote = '\'') const
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{
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{
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return util::apply_visitor(impl::to_expression_string(quote),base_);
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return util::apply_visitor(impl::to_expression_string(quote),*this);
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}
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}
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std::string to_string() const
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std::string to_string() const
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{
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{
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return util::apply_visitor(impl::convert<std::string>(),base_);
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return util::apply_visitor(impl::convert<std::string>(),*this);
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}
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}
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value_unicode_string to_unicode() const
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value_unicode_string to_unicode() const
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{
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{
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return util::apply_visitor(impl::to_unicode(),base_);
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return util::apply_visitor(impl::to_unicode(),*this);
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}
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}
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value_double to_double() const
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value_double to_double() const
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{
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{
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return util::apply_visitor(impl::convert<value_double>(),base_);
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return util::apply_visitor(impl::convert<value_double>(),*this);
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}
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}
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value_integer to_int() const
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value_integer to_int() const
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{
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{
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return util::apply_visitor(impl::convert<value_integer>(),base_);
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return util::apply_visitor(impl::convert<value_integer>(),*this);
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}
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}
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};
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};
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inline const value operator+(value const& p1,value const& p2)
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inline const value operator+(value const& p1,value const& p2)
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{
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{
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return value(util::apply_visitor(impl::add<value>(),p1, p2));
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return value(util::apply_visitor(impl::add<value>(),p1.base_, p2.base_));
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}
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}
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inline const value operator-(value const& p1,value const& p2)
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inline const value operator-(value const& p1,value const& p2)
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{
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{
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return value(util::apply_visitor(impl::sub<value>(),p1.base_, p2.base_));
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return value(util::apply_visitor(impl::sub<value>(),p1, p2));
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}
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}
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inline const value operator*(value const& p1,value const& p2)
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inline const value operator*(value const& p1,value const& p2)
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{
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{
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return value(util::apply_visitor(impl::mult<value>(),p1.base_, p2.base_));
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return value(util::apply_visitor(impl::mult<value>(),p1, p2));
|
||||||
}
|
}
|
||||||
|
|
||||||
inline const value operator/(value const& p1,value const& p2)
|
inline const value operator/(value const& p1,value const& p2)
|
||||||
{
|
{
|
||||||
|
|
||||||
return value(util::apply_visitor(impl::div<value>(),p1.base_, p2.base_));
|
return value(util::apply_visitor(impl::div<value>(),p1, p2));
|
||||||
}
|
}
|
||||||
|
|
||||||
inline const value operator%(value const& p1,value const& p2)
|
inline const value operator%(value const& p1,value const& p2)
|
||||||
{
|
{
|
||||||
|
|
||||||
return value(util::apply_visitor(impl::mod<value>(),p1.base_, p2.base_));
|
return value(util::apply_visitor(impl::mod<value>(),p1, p2));
|
||||||
}
|
}
|
||||||
|
|
||||||
template <typename charT, typename traits>
|
template <typename charT, typename traits>
|
||||||
|
@ -948,12 +937,6 @@ operator << (std::basic_ostream<charT,traits>& out,
|
||||||
return out;
|
return out;
|
||||||
}
|
}
|
||||||
|
|
||||||
// hash function
|
|
||||||
inline std::size_t hash_value(value const& val)
|
|
||||||
{
|
|
||||||
return hash_value(val.base());
|
|
||||||
}
|
|
||||||
|
|
||||||
} // namespace value_adl_barrier
|
} // namespace value_adl_barrier
|
||||||
|
|
||||||
using value_adl_barrier::value;
|
using value_adl_barrier::value;
|
||||||
|
@ -984,7 +967,7 @@ struct is_null_visitor : public util::static_visitor<bool>
|
||||||
|
|
||||||
inline bool value::is_null() const
|
inline bool value::is_null() const
|
||||||
{
|
{
|
||||||
return util::apply_visitor(mapnik::detail::is_null_visitor(), base_);
|
return util::apply_visitor(mapnik::detail::is_null_visitor(), *this);
|
||||||
}
|
}
|
||||||
|
|
||||||
} // namespace mapnik
|
} // namespace mapnik
|
||||||
|
|
|
@ -199,7 +199,7 @@ struct mapnik_value_type<T, typename std::enable_if<detail::is_value_double<T>::
|
||||||
template <typename T>
|
template <typename T>
|
||||||
struct mapnik_value_type<T, typename std::enable_if<detail::is_value_unicode_string<T>::value>::type>
|
struct mapnik_value_type<T, typename std::enable_if<detail::is_value_unicode_string<T>::value>::type>
|
||||||
{
|
{
|
||||||
using type = mapnik::value_unicode_string;
|
using type = mapnik::value_unicode_string const&;
|
||||||
};
|
};
|
||||||
|
|
||||||
} // namespace detail
|
} // namespace detail
|
||||||
|
|
|
@ -177,7 +177,7 @@ void geojson_datasource::parse_geojson(T const& buffer)
|
||||||
{
|
{
|
||||||
desc_.add_descriptor(mapnik::attribute_descriptor(std::get<0>(kv),
|
desc_.add_descriptor(mapnik::attribute_descriptor(std::get<0>(kv),
|
||||||
mapnik::util::apply_visitor(attr_value_converter(),
|
mapnik::util::apply_visitor(attr_value_converter(),
|
||||||
std::get<1>(kv).base())));
|
std::get<1>(kv))));
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
|
|
Loading…
Reference in a new issue