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.
local place_table = osm2pgsql.define_table{
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 module.process_node(object)
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
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
function module.set_address_tags(data)
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)
--- /dev/null
+-- Prints taginfo project description in the standard output
+--
+
+-- create fake "osm2pgsql" table for flex-base, originally created by the main C++ program
+osm2pgsql = {}
+function osm2pgsql.define_table(...) end
+
+-- provide path to flex-style lua file
+flex = require('import-extratags')
+local json = require ('dkjson')
+
+
+------------ helper functions ---------------------
+
+function get_key_description(key, description)
+ local desc = {}
+ desc.key = key
+ desc.description = description
+ set_keyorder(desc, {'key', 'description'})
+ return desc
+end
+
+-- Sets the key order for the resulting JSON table
+function set_keyorder(table, order)
+ setmetatable(table, {
+ __jsonorder = order
+ })
+end
+
+
+-- Prints the collected tags in the required format in JSON
+function print_taginfo()
+ local tags = {}
+
+ for _, k in ipairs(flex.TAGINFO_MAIN.keys) do
+ local desc = get_key_description(k, 'POI/feature in the search database')
+ if flex.TAGINFO_MAIN.delete_tags[k] ~= nil then
+ desc.description = string.format('%s(except for values: %s).', desc.description,
+ table.concat(flex.TAGINFO_MAIN.delete_tags[k], ', '))
+ end
+ table.insert(tags, desc)
+ end
+
+ for k, _ in pairs(flex.TAGINFO_NAME_KEYS) do
+ local desc = get_key_description(k, 'Searchable name of the place.')
+ table.insert(tags, desc)
+ end
+ for k, _ in pairs(flex.TAGINFO_ADDRESS_KEYS) do
+ local desc = get_key_description(k, 'Used to determine the address of a place.')
+ table.insert(tags, desc)
+ end
+
+ local format = {
+ data_format = 1,
+ data_url = 'http://nominatim.openstreetmap.org/taginfo.json',
+ project = {
+ name = 'Nominatim',
+ description = 'OSM search engine.',
+ project_url = 'http://nominatim.openstreetmap.org',
+ doc_url = 'http://wiki.osm.org/wiki/Nominatim',
+ contact_name = 'Sarah Hoffmann',
+ contact_email = 'lonvia@denofr.de'
+ }
+ }
+ format.tags = tags
+
+ set_keyorder(format, {'data_format', 'data_url', 'project', 'tags'})
+ set_keyorder(format.project, {'name', 'description', 'project_url', 'doc_url',
+ 'contact_name', 'contact_email'})
+
+ print(json.encode(format))
+end
+
+print_taginfo()
projects / nominatim.git / commitdiff