-- Core functions for Nominatim import flex style.
--
+local module = {}
+
+local PRE_DELETE = nil
+local PRE_EXTRAS = nil
+local MAIN_KEYS = nil
+local NAMES = nil
+local ADDRESS_TAGS = nil
+local SAVE_EXTRA_MAINS = false
+local POSTCODE_FALLBACK = true
+
+-- tables required for taginfo
+module.TAGINFO_MAIN = {keys = {}, delete_tags = {}}
+module.TAGINFO_NAME_KEYS = {}
+module.TAGINFO_ADDRESS_KEYS = {}
+
-- The single place table.
-place_table = osm2pgsql.define_table{
+local place_table = osm2pgsql.define_table{
name = "place",
ids = { type = 'any', id_column = 'osm_id', type_column = 'osm_type' },
columns = {
indexes = {}
}
+------------ Geometry functions for relations ---------------------
+
+function module.relation_as_multipolygon(o)
+ return o:as_multipolygon()
+end
+
+function module.relation_as_multiline(o)
+ return o:as_multilinestring():line_merge()
+end
+
+
+module.RELATION_TYPES = {
+ multipolygon = module.relation_as_multipolygon,
+ boundary = module.relation_as_multipolygon,
+ waterway = module.relation_as_multiline
+}
+
------------- Place class ------------------------------------------
local Place = {}
return self
end
+function Place:clean(data)
+ for k, v in pairs(self.object.tags) do
+ if data.delete ~= nil and data.delete(k, v) then
+ self.object.tags[k] = nil
+ elseif data.extra ~= nil and data.extra(k, v) then
+ self.extratags[k] = v
+ self.object.tags[k] = nil
+ end
+ end
+end
+
function Place:delete(data)
if data.match ~= nil then
for k, v in pairs(self.object.tags) do
return count
end
-function Place:grab_address(data)
+local function strip_address_prefix(k)
+ if k:sub(1, 5) == 'addr:' then
+ return k:sub(6)
+ end
+
+ if k:sub(1, 6) == 'is_in:' then
+ return k:sub(7)
+ end
+
+ return k
+end
+
+
+function Place:grab_address_parts(data)
local count = 0
- if data.match ~= nil then
+ if data.groups ~= nil then
for k, v in pairs(self.object.tags) do
- if data.match(k, v) then
- self.object.tags[k] = nil
+ local atype = data.groups(k, v)
- if data.include_on_name == true then
+ if atype ~= nil then
+ if atype == 'main' then
self.has_name = true
- end
-
- if data.out_key ~= nil then
- self.address[data.out_key] = v
- return 1
- end
-
- if k:sub(1, 5) == 'addr:' then
- self.address[k:sub(6)] = v
- elseif k:sub(1, 6) == 'is_in:' then
- self.address[k:sub(7)] = v
+ self.address[strip_address_prefix(k)] = v
+ count = count + 1
+ elseif atype == 'extra' then
+ self.address[strip_address_prefix(k)] = v
else
- self.address[k] = v
+ self.address[atype] = v
end
- count = count + 1
+ self.object.tags[k] = nil
end
end
end
return count
end
-function Place:set_address(key, value)
- self.address[key] = value
-end
-function Place:grab_name(data)
- local count = 0
+function Place:grab_name_parts(data)
+ local fallback = nil
- if data.match ~= nil then
+ if data.groups ~= nil then
for k, v in pairs(self.object.tags) do
- if data.match(k, v) then
- self.object.tags[k] = nil
+ local atype = data.groups(k, v)
+
+ if atype ~= nil then
self.names[k] = v
- if data.include_on_name ~= false then
+ self.object.tags[k] = nil
+ if atype == 'main' then
self.has_name = true
+ elseif atype == 'house' then
+ self.has_name = true
+ fallback = {'place', 'house', 'always'}
end
- count = count + 1
end
end
end
- return count
-end
-
-function Place:grab_tag(key)
- return self.object:grab_tag(key)
+ return fallback
end
-function Place:tags()
- return self.object.tags
-end
function Place:write_place(k, v, mtype, save_extra_mains)
if mtype == nil then
return 0
end
- if save_extra_mains then
+ if save_extra_mains ~= nil then
for extra_k, extra_v in pairs(self.object.tags) do
- if extra_k ~= k then
+ if extra_k ~= k and save_extra_mains(extra_k, extra_v) then
self.extratags[extra_k] = extra_v
end
end
if save_extra_mains then
for k, v in pairs(self.object.tags) do
- self.extratags[k] = nil
+ if save_extra_mains(k, v) then
+ self.extratags[k] = nil
+ end
end
end
end
-function tag_match(data)
+function module.tag_match(data)
if data == nil or next(data) == nil then
return nil
end
end
+function module.tag_group(data)
+ if data == nil or next(data) == nil then
+ return nil
+ end
+
+ local fullmatches = {}
+ local key_prefixes = {}
+ local key_suffixes = {}
+
+ for group, tags in pairs(data) do
+ for _, key in pairs(tags) do
+ if key:sub(1, 1) == '*' then
+ if #key > 1 then
+ if key_suffixes[#key - 1] == nil then
+ key_suffixes[#key - 1] = {}
+ end
+ key_suffixes[#key - 1][key:sub(2)] = group
+ end
+ elseif key:sub(#key, #key) == '*' then
+ if key_prefixes[#key - 1] == nil then
+ key_prefixes[#key - 1] = {}
+ end
+ key_prefixes[#key - 1][key:sub(1, #key - 1)] = group
+ else
+ fullmatches[key] = group
+ end
+ end
+ end
+
+ return function (k, v)
+ local val = fullmatches[k]
+ if val ~= nil then
+ return val
+ end
+
+ for slen, slist in pairs(key_suffixes) do
+ if #k >= slen then
+ val = slist[k:sub(-slen)]
+ if val ~= nil then
+ return val
+ end
+ end
+ end
+
+ for slen, slist in pairs(key_prefixes) do
+ if #k >= slen then
+ val = slist[k:sub(1, slen)]
+ if val ~= nil then
+ return val
+ end
+ end
+ end
+ end
+end
+
+-- Returns prefix part of the keys, and reject suffix matching keys
+local function process_key(key)
+ if key:sub(1, 1) == '*' then
+ return nil
+ end
+ if key:sub(#key, #key) == '*' then
+ return key:sub(1, #key - 2)
+ end
+ return key
+end
+
-- Process functions for all data types
-function osm2pgsql.process_node(object)
+function module.process_node(object)
local function geom_func(o)
return o:as_point()
end
- process_tags(Place.new(object, geom_func))
+ module.process_tags(Place.new(object, geom_func))
end
-function osm2pgsql.process_way(object)
+function module.process_way(object)
local function geom_func(o)
local geom = o:as_polygon()
return geom
end
- process_tags(Place.new(object, geom_func))
-end
-
-function relation_as_multipolygon(o)
- return o:as_multipolygon()
-end
-
-function relation_as_multiline(o)
- return o:as_multilinestring():line_merge()
+ module.process_tags(Place.new(object, geom_func))
end
-function osm2pgsql.process_relation(object)
- local geom_func = RELATION_TYPES[object.tags.type]
+function module.process_relation(object)
+ local geom_func = module.RELATION_TYPES[object.tags.type]
if geom_func ~= nil then
- process_tags(Place.new(object, geom_func))
+ module.process_tags(Place.new(object, geom_func))
end
end
-function process_tags(o)
- local fallback
+-- The process functions are used by default by osm2pgsql.
+osm2pgsql.process_node = module.process_node
+osm2pgsql.process_way = module.process_way
+osm2pgsql.process_relation = module.process_relation
- o:delete{match = PRE_DELETE}
- o:grab_extratags{match = PRE_EXTRAS}
+function module.process_tags(o)
+ o:clean{delete = PRE_DELETE, extra = PRE_EXTRAS}
-- Exception for boundary/place double tagging
if o.object.tags.boundary == 'administrative' then
end}
end
+ -- name keys
+ local fallback = o:grab_name_parts{groups=NAMES}
+
-- address keys
- o:grab_address{match=COUNTRY_TAGS, out_key='country'}
+ if o:grab_address_parts{groups=ADDRESS_TAGS} > 0 and fallback == nil then
+ fallback = {'place', 'house', 'always'}
+ end
if o.address.country ~= nil and #o.address.country ~= 2 then
o.address['country'] = nil
end
- if o:grab_name{match=HOUSENAME_TAGS} > 0 then
- fallback = {'place', 'house'}
+ if POSTCODE_FALLBACK and fallback == nil and o.address.postcode ~= nil then
+ fallback = {'place', 'postcode', 'always'}
end
- if o:grab_address{match=HOUSENUMBER_TAGS, include_on_name = true} > 0 and fallback == nil then
- fallback = {'place', 'house'}
- end
- if o:grab_address{match=POSTCODES, out_key='postcode'} > 0 and fallback == nil then
- fallback = {'place', 'postcode'}
+
+ if o.address.interpolation ~= nil then
+ o:write_place('place', 'houses', 'always', SAVE_EXTRA_MAINS)
+ return
end
- local is_interpolation = o:grab_address{match=INTERPOLATION_TAGS} > 0
+ o:clean{delete = POST_DELETE}
- o:grab_address{match=ADDRESS_TAGS}
+ -- collect main keys
+ for k, v in pairs(o.object.tags) do
+ local ktype = MAIN_KEYS[k]
+ if ktype == 'fallback' then
+ if o.has_name then
+ fallback = {k, v, 'named'}
+ end
+ elseif ktype ~= nil then
+ o:write_place(k, v, MAIN_KEYS[k], SAVE_EXTRA_MAINS)
+ end
+ end
- if is_interpolation then
- o:write_place('place', 'houses', 'always', SAVE_EXTRA_MAINS)
- return
+ if fallback ~= nil and o.num_entries == 0 then
+ o:write_place(fallback[1], fallback[2], fallback[3], SAVE_EXTRA_MAINS)
end
+end
- -- name keys
- o:grab_name{match = NAMES}
- o:grab_name{match = REFS, include_on_name = false}
+--------- Convenience functions for simple style configuration -----------------
- o:delete{match = POST_DELETE}
- o:grab_extratags{match = POST_EXTRAS}
- -- collect main keys
- local num_mains = 0
- for k, v in pairs(o:tags()) do
- num_mains = num_mains + o:write_place(k, v, MAIN_KEYS[k], SAVE_EXTRA_MAINS)
+function module.set_prefilters(data)
+ PRE_DELETE = module.tag_match{keys = data.delete_keys, tags = data.delete_tags}
+ PRE_EXTRAS = module.tag_match{keys = data.extra_keys,
+ tags = data.extra_tags}
+ module.TAGINFO_MAIN.delete_tags = data.delete_tags
+end
+
+function module.set_main_tags(data)
+ MAIN_KEYS = data
+ local keys = {}
+ for k, _ in pairs(data) do
+ table.insert(keys, k)
end
+ module.TAGINFO_MAIN.keys = keys
+end
- if num_mains == 0 then
- for tag, mtype in pairs(MAIN_FALLBACK_KEYS) do
- if o:write_place(tag, nil, mtype, SAVE_EXTRA_MAINS) > 0 then
- return
+function module.set_name_tags(data)
+ NAMES = module.tag_group(data)
+
+ for _, lst in pairs(data) do
+ for _, k in ipairs(lst) do
+ local key = process_key(k)
+ if key ~= nil then
+ module.TAGINFO_NAME_KEYS[key] = true
end
end
+ end
+end
- if fallback ~= nil then
- o:write_place(fallback[1], fallback[2], 'always', SAVE_EXTRA_MAINS)
+function module.set_address_tags(data)
+ if data.postcode_fallback ~= nil then
+ POSTCODE_FALLBACK = data.postcode_fallback
+ data.postcode_fallback = nil
+ end
+ ADDRESS_TAGS = module.tag_group(data)
+
+ for _, lst in pairs(data) do
+ if lst ~= nil then
+ for _, k in ipairs(lst) do
+ local key = process_key(k)
+ if key ~= nil then
+ module.TAGINFO_ADDRESS_KEYS[key] = true
+ end
+ end
end
end
end
+function module.set_unused_handling(data)
+ if data.extra_keys == nil and data.extra_tags == nil then
+ POST_DELETE = module.tag_match{keys = data.delete_keys, tags = data.delete_tags}
+ SAVE_EXTRA_MAINS = function() return true end
+ elseif data.delete_keys == nil and data.delete_tags == nil then
+ POST_DELETE = nil
+ SAVE_EXTRA_MAINS = module.tag_match{keys = data.extra_keys, tags = data.extra_tags}
+ else
+ error("unused handler can have only 'extra_keys' or 'delete_keys' set.")
+ end
+end
+
+function set_relation_types(data)
+ module.RELATION_TYPES = {}
+ for k, v in data do
+ if v == 'multipolygon' then
+ module.RELATION_TYPES[k] = module.relation_as_multipolygon
+ elseif v == 'multiline' then
+ module.RELATION_TYPES[k] = module.relation_as_multiline
+ end
+ end
+end
+return module
projects / nominatim.git / blobdiff