/usr/include/mapnik/json/feature_generator_grammar.hpp is in libmapnik-dev 2.2.0+ds1-6build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 | /*****************************************************************************
*
* 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
*
*****************************************************************************/
#ifndef MAPNIK_JSON_FEATURE_GENERATOR_GRAMMAR_HPP
#define MAPNIK_JSON_FEATURE_GENERATOR_GRAMMAR_HPP
// mapnik
#include <mapnik/global.hpp>
#include <mapnik/value.hpp>
#include <mapnik/feature.hpp>
#include <mapnik/json/geometry_generator_grammar.hpp>
#include <mapnik/feature_kv_iterator.hpp>
// boost
#include <boost/spirit/include/karma.hpp>
#include <boost/spirit/include/phoenix.hpp>
#include <boost/spirit/include/phoenix_core.hpp>
#include <boost/spirit/include/phoenix_operator.hpp>
#include <boost/spirit/include/phoenix_fusion.hpp>
#include <boost/spirit/include/phoenix_function.hpp>
#include <boost/fusion/include/boost_tuple.hpp>
#include <boost/fusion/include/at.hpp>
#include <boost/fusion/include/cons.hpp>
namespace boost { namespace spirit { namespace traits {
template <>
struct is_container<mapnik::feature_impl const> : mpl::false_ {} ;
template <>
struct container_iterator<mapnik::feature_impl const>
{
typedef mapnik::feature_kv_iterator2 type;
};
template <>
struct begin_container<mapnik::feature_impl const>
{
static mapnik::feature_kv_iterator2
call (mapnik::feature_impl const& f)
{
return mapnik::feature_kv_iterator2(mapnik::value_not_null(),f.begin(),f.end());
}
};
template <>
struct end_container<mapnik::feature_impl const>
{
static mapnik::feature_kv_iterator2
call (mapnik::feature_impl const& f)
{
return mapnik::feature_kv_iterator2(mapnik::value_not_null(),f.end(),f.end());
}
};
template <>
struct transform_attribute<const boost::fusion::cons<mapnik::feature_impl const&, boost::fusion::nil>,
mapnik::geometry_container const& ,karma::domain>
{
typedef mapnik::geometry_container const& type;
static type pre(const boost::fusion::cons<mapnik::feature_impl const&, boost::fusion::nil>& f)
{
return boost::fusion::at<mpl::int_<0> >(f).paths();
}
};
}}}
namespace mapnik { namespace json {
namespace karma = boost::spirit::karma;
namespace phoenix = boost::phoenix;
struct get_id
{
template <typename T>
struct result { typedef int type; };
int operator() (mapnik::feature_impl const& f) const
{
return f.id();
}
};
struct make_properties_range
{
typedef boost::iterator_range<mapnik::feature_kv_iterator> properties_range_type;
template <typename T>
struct result { typedef properties_range_type type; };
properties_range_type operator() (mapnik::feature_impl const& f) const
{
return boost::make_iterator_range(f.begin(),f.end());
}
};
struct utf8
{
template <typename T>
struct result { typedef std::string type; };
std::string operator() (UnicodeString const& ustr) const
{
std::string result;
to_utf8(ustr,result);
return result;
}
};
struct value_base
{
template <typename T>
struct result { typedef mapnik::value_base const& type; };
mapnik::value_base const& operator() (mapnik::value const& val) const
{
return val.base();
}
};
template <typename OutputIterator>
struct escaped_string
: karma::grammar<OutputIterator, std::string(char const*)>
{
escaped_string()
: escaped_string::base_type(esc_str)
{
using boost::spirit::karma::maxwidth;
using boost::spirit::karma::right_align;
esc_char.add
('"', "\\\"")
('\\', "\\\\")
('\b', "\\b")
('\f', "\\f")
('\n', "\\n")
('\r', "\\r")
('\t', "\\t")
;
esc_str = karma::lit(karma::_r1)
<< *(esc_char
| karma::print
| "\\u" << right_align(4,karma::lit('0'))[karma::hex])
<< karma::lit(karma::_r1)
;
}
karma::rule<OutputIterator, std::string(char const*)> esc_str;
karma::symbols<char, char const*> esc_char;
};
template <typename OutputIterator>
struct feature_generator_grammar:
karma::grammar<OutputIterator, mapnik::feature_impl const&()>
{
typedef boost::tuple<std::string, mapnik::value> pair_type;
typedef make_properties_range::properties_range_type range_type;
feature_generator_grammar()
: feature_generator_grammar::base_type(feature)
, quote_("\"")
{
using boost::spirit::karma::lit;
using boost::spirit::karma::uint_;
using boost::spirit::karma::bool_;
//using boost::spirit::karma::int_;
//using boost::spirit::karma::long_long;
using boost::spirit::karma::double_;
using boost::spirit::karma::_val;
using boost::spirit::karma::_1;
using boost::spirit::karma::_r1;
using boost::spirit::karma::string;
using boost::spirit::karma::eps;
feature = lit("{\"type\":\"Feature\",\"id\":")
<< uint_[_1 = id_(_val)]
<< lit(",\"geometry\":") << geometry
<< lit(",\"properties\":") << properties
<< lit('}')
;
properties = lit('{')
<< -(pair % lit(','))
<< lit('}')
;
pair = lit('"')
<< string[_1 = phoenix::at_c<0>(_val)] << lit('"')
<< lit(':')
<< value(phoenix::at_c<1>(_val))
;
value = (value_null_| bool_ | int__ | double_ | ustring)[_1 = value_base_(_r1)]
;
value_null_ = string[_1 = "null"]
;
ustring = escaped_string_(quote_.c_str())[_1 = utf8_(_val)]
;
}
// rules
karma::rule<OutputIterator, mapnik::feature_impl const&()> feature;
multi_geometry_generator_grammar<OutputIterator> geometry;
escaped_string<OutputIterator> escaped_string_;
karma::rule<OutputIterator, mapnik::feature_impl const&()> properties;
karma::rule<OutputIterator, pair_type()> pair;
karma::rule<OutputIterator, void(mapnik::value const&)> value;
karma::rule<OutputIterator, mapnik::value_null()> value_null_;
karma::rule<OutputIterator, UnicodeString()> ustring;
typename karma::int_generator<mapnik::value_integer,10, false> int__;
// phoenix functions
phoenix::function<get_id> id_;
phoenix::function<value_base> value_base_;
phoenix::function<utf8> utf8_;
std::string quote_;
};
}}
#endif // MAPNIK_JSON_FEATURE_GENERATOR_GRAMMAR_HPP
|