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refactor: iterate over substitutions
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,62 +1,52 @@ | ||
| require("IsTermInString") | ||
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||
| -- Cleanup spaces where none should be | ||
| local function CleanupSpaces(string) | ||
| local cleaned = string | ||
| if IsTermInString(', ', cleaned) then | ||
| cleaned = cleaned.gsub(cleaned, ', ', ',') | ||
| end | ||
| if IsTermInString('; ', cleaned) then | ||
| cleaned = cleaned.gsub(cleaned, '; ', ';') | ||
| end | ||
| return cleaned | ||
| -- Remove all whitespaces after delimeters | ||
| local function stripWhitespaces(traffic_sign) | ||
| local stripped = string.gsub(traffic_sign, ', ', ',') | ||
| stripped = string.gsub(stripped, '; ', ';') | ||
| return stripped | ||
| end | ||
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| -- * @desc Cleanup the `traffic_sign=*` tag | ||
| -- * @returns string | ||
| function SanitizeTrafficSign(traffic_sign_value) | ||
| if traffic_sign_value == nil then | ||
| --- Cleanup the `traffic_sign=*` tag | ||
| --- @param traffic_sign string | ||
| --- @returns string | ||
| function SanitizeTrafficSign(traffic_sign) | ||
| if traffic_sign == nil then | ||
| return nil | ||
| end | ||
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| -- Rename | ||
| -- Docs: gsub with "^" targets beginning of string | ||
| if traffic_sign_value == "no" then | ||
| if traffic_sign == "no" or traffic_sign == 'none' then | ||
| return "none" | ||
| end | ||
| if osm2pgsql.has_prefix(traffic_sign_value, 'DE: ') then | ||
| return CleanupSpaces(string.gsub(traffic_sign_value, '^DE: ', 'DE:')) | ||
| end | ||
| if osm2pgsql.has_prefix(traffic_sign_value, 'DE2') then | ||
| return CleanupSpaces(string.gsub(traffic_sign_value, '^DE2', 'DE:2')) | ||
| end | ||
| if osm2pgsql.has_prefix(traffic_sign_value, 'DE1') then | ||
| return CleanupSpaces(string.gsub(traffic_sign_value, '^DE1', 'DE:1')) | ||
| end | ||
| if osm2pgsql.has_prefix(traffic_sign_value, 'D:') then | ||
| return CleanupSpaces(string.gsub(traffic_sign_value, '^D:', 'DE:')) | ||
| end | ||
| if osm2pgsql.has_prefix(traffic_sign_value, 'de:') then | ||
| return CleanupSpaces(string.gsub(traffic_sign_value, '^de:', 'DE:')) | ||
| end | ||
| if osm2pgsql.has_prefix(traffic_sign_value, 'DE.') then | ||
| return CleanupSpaces(string.gsub(traffic_sign_value, '^DE.', 'DE:')) | ||
| end | ||
| if osm2pgsql.has_prefix(traffic_sign_value, '2') then | ||
| return CleanupSpaces(string.gsub(traffic_sign_value, '^2', 'DE:2')) | ||
| end | ||
| if osm2pgsql.has_prefix(traffic_sign_value, '10') then | ||
| return CleanupSpaces(string.gsub(traffic_sign_value, '^10', 'DE:10')) | ||
| end | ||
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| -- Allows | ||
| if osm2pgsql.has_prefix(traffic_sign_value, 'DE:') then | ||
| return CleanupSpaces(traffic_sign_value) | ||
| -- Docs: patterns with "^" target beginning of string | ||
|
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| -- This is the correct tagging, all traffic signs should start with DE: | ||
| if string.find(traffic_sign, '^DE:%S') then | ||
| return stripWhitespaces(traffic_sign) | ||
| end | ||
| if traffic_sign_value == "none" then | ||
| return traffic_sign_value | ||
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| local substitutions = { | ||
| ['^DE: '] = 'DE:', | ||
| ['^DE.'] = 'DE:', | ||
| ['^D:'] = 'DE:', | ||
| ['^D%.'] = 'DE:', | ||
| ['^de:'] = 'DE:', | ||
| ['^DE1'] = 'DE:1', | ||
| ['^DE2'] = 'DE:2', | ||
| ['^2'] = 'DE:2', | ||
| ['^1'] = 'DE:1', | ||
| -- These patterns could handle all the above in a more generalized way | ||
| -- ['^DE?[:.]%s?'] = 'DE:', | ||
| -- ['^de?[:.]%s?'] = 'DE:' | ||
| -- ['^DE(%d)'] = 'DE:%1' | ||
| -- ['^(%d)'] = 'DE:%1' | ||
| } | ||
| for pattern, substitude in pairs(substitutions) do | ||
| local val, n = string.gsub(traffic_sign, pattern, substitude) | ||
| if n > 0 then | ||
| -- TODO: add to todo list | ||
| return stripWhitespaces(val) | ||
| end | ||
| end | ||
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| -- Disallow everything else | ||
| -- Discard everything else | ||
| return nil | ||
| end |