convert import styles to themepark

Introduces presets which avoid much of the previous configuration
duplication. The original import files are now thin wrappers around
the themepark themes.

lib-lua/import-address.lua

@@ -1,74 +1,6 @@
+-- This is just an alias for the Nominatim themepark address topic
 local flex = require('flex-base')
 
-flex.set_main_tags{
-    highway = {motorway = 'always',
-               trunk = 'always',
-               primary = 'always',
-               secondary = 'always',
-               tertiary = 'always',
-               unclassified = 'always',
-               residential = 'always',
-               road = 'always',
-               living_street = 'always',
-               pedestrian = 'always',
-               service = 'named',
-               cycleway = 'named',
-               path = 'named',
-               footway = 'named',
-               steps = 'named',
-               bridleway = 'named',
-               track = 'named',
-               motorway_link = 'named',
-               trunk_link = 'named',
-               primary_link = 'named',
-               secondary_link = 'named',
-               tertiary_link = 'named'},
-    boundary = {administrative = 'named',
-                postal_code = 'always'},
-    landuse = 'fallback',
-    place = 'always'
-}
-
-flex.set_prefilters{delete_keys = {'building', 'source',
-                                   'source', '*source', 'type',
-                                   'is_in:postcode', '*:wikidata', '*:wikipedia',
-                                   '*:prefix', '*:suffix', 'name:prefix:*', 'name:suffix:*',
-                                   'name:etymology', 'name:signed', 'name:botanical',
-                                   'addr:street:name', 'addr:street:type'},
-                    delete_tags = {landuse = {'cemetry', 'no'},
-                                   boundary = {'place'}},
-                    extra_keys = {'wikipedia', 'wikipedia:*', 'wikidata', 'capital', 'area'}
-                   }
-
-flex.set_name_tags{main = {'name', 'name:*',
-                          'int_name', 'int_name:*',
-                          'nat_name', 'nat_name:*',
-                          'reg_name', 'reg_name:*',
-                          'loc_name', 'loc_name:*',
-                          'old_name', 'old_name:*',
-                          'alt_name', 'alt_name:*', 'alt_name_*',
-                          'official_name', 'official_name:*',
-                          'place_name', 'place_name:*',
-                          'short_name', 'short_name:*'},
-                   extra = {'ref', 'int_ref', 'nat_ref', 'reg_ref',
-                            'loc_ref', 'old_ref',
-                            'iata', 'icao', 'pcode', 'pcode:*', 'ISO3166-2'},
-                   house = {'addr:housename'}
-                  }
-
-flex.set_address_tags{main = {'addr:housenumber',
-                              'addr:conscriptionnumber',
-                              'addr:streetnumber'},
-                      extra = {'addr:*', 'is_in:*', 'tiger:county'},
-                      postcode = {'postal_code', 'postcode', 'addr:postcode',
-                                  'tiger:zip_left', 'tiger:zip_right'},
-                      country = {'country_code', 'ISO3166-1',
-                                 'addr:country_code', 'is_in:country_code',
-                                 'addr:country', 'is_in:country'},
-                      interpolation = {'addr:interpolation'}
-                     }
-
-
-flex.set_unused_handling{extra_keys = {'place'}}
+flex.load_topic('address')
 
 return flex