| name |
synopsis |
description |
example |
clamp |
osm2pgsql.clamp(VALUE, MIN, MAX) |
Return VALUE if it is between MIN and MAX, MIN if it is smaller, or MAX
if it is larger. All parameters must be numbers. If VALUE is `nil`,
`nil` is returned.
|
osm2pgsql.clamp(2, 3, 4) ⟶ 3
|
|
| name |
version |
synopsis |
description |
example |
has_prefix |
1.4.0 |
osm2pgsql.has_prefix(STRING, PREFIX) |
Returns `true` if the STRING starts with PREFIX. If STRING is `nil`,
`nil` is returned.
|
osm2pgsql.has_prefix('addr:city', 'addr:') ⟶ true
|
|
| name |
version |
synopsis |
description |
example |
has_suffix |
1.4.0 |
osm2pgsql.has_suffix(STRING, SUFFIX) |
Returns `true` if the STRING ends with SUFFIX. If STRING is `nil`,
`nil` is returned.
|
osm2pgsql.has_suffix('tiger:source', ':source') ⟶ true
|
|
| name |
synopsis |
description |
example |
make_check_values_func |
osm2pgsql.make_check_values_func(VALUES[, DEFAULT]) |
Return a function that will check its only argument against the list of
VALUES. If it is in that list, it will be returned, otherwise the
DEFAULT (or nil) will be returned.
|
local get_highway_value = osm2pgsql.make_check_values_func({
'motorway', 'trunk', 'primary', 'secondary', 'tertiary'
}, 'road')
...
if object.tags.highway then
local highway_type = get_highway_value(object.tags.highway)
...
end
|
|
| name |
synopsis |
description |
example |
make_clean_tags_func |
osm2pgsql.make_clean_tags_func(KEYS) |
Return a function that will remove all tags (in place) from its only
argument if the key matches KEYS. KEYS is an array containing keys,
key prefixes (ending in `*`), or key suffixes (starting with `*`).
The generated function will return `true` if it removed all tags,
`false` if there are still tags left.
|
local clean_tags = osm2pgsql.make_clean_tags_func{'source', 'source:*', '*:source', 'note'}
function osm2pgsql.process_node(node)
if clean_tags(node.tags) then
return
end
...
end
|
|
| name |
version |
synopsis |
description |
example |
split_string |
1.4.0 |
osm2pgsql.split_string(STRING[, DELIMITER]) |
Split STRING on DELIMITER (default: ';' (semicolon)) and return an
array table with the results. Items in the array will have any
whitespace at beginning and end removed. If STRING is `nil`, `nil` is
returned.
|
local opening_hours = osm2pgsql.split_string(object.tags.opening_hours)
|
|
| name |
version |
synopsis |
description |
example |
split_unit |
1.4.0 |
osm2pgsql.split_unit(STRING, DEFAULT_UNIT) |
Split STRING of the form "VALUE UNIT" (something like "10 mph" or
"20km") into the VALUE and the UNIT and return both. The VALUE must
be a negative or positive integer or real number. The space between
the VALUE and UNIT is optional. If there was no unit in the string,
the DEFAULT_UNIT will be returned instead. Return `nil` if the STRING
doesn't have the right pattern or is `nil`.
|
value, unit = osm2pgsql.split_unit(object.tags.maxspeed, 'km/h')
|
|
| name |
version |
synopsis |
description |
example |
trim |
1.4.0 |
osm2pgsql.trim(STRING) |
Return STRING with whitespace characters removed from the beginning
and end. If STRING is `nil`, `nil` is returned.
|
local name = osm2pgsql.trim(object.tags.name)
|
|
| name |
synopsis |
description |
example |
way_member_ids |
osm2pgsql.way_member_ids(RELATION) |
Return an array table with the ids of all way members of RELATION.
|
function osm2pgsql.select_relation_members(relation)
if relation.tags.type == 'route' then
return { ways = osm2pgsql.way_member_ids(relation) }
end
end
|
|