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CC-Tweaked/tools/language.lua

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--- Rewrites language files in order to be consistent with en_us.
--
-- This will take every given language file and rewrite it to be in the same
-- order as the en_us file. Any keys which appear in the given file, but not
-- in en_us are warned about.
--
-- When passing the `-v` flag, we also print any missing commands.
--
-- Note, this is not intended to be a fool-proof tool, rather a quick way to
-- ensure language files are mostly correct.
--
-- @example
--
-- # Reformat all files
-- > lua tools/language.lua
-- # Reformat German, and warn about missing entries
-- > lua tools/language.lua -v de_de
local primary = "en_us"
local secondary = {
"de_de",
"es_es",
"fr_fr",
"it_it",
"pt_br",
"sv_se",
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"zh_cn",
}
local verbose = false
local path = "src/main/resources/assets/computercraft/lang/%s.lang"
local args = {...}
for i = #args, 1, -1 do
if args[i] == "-v" or args[i] == "--verbose" then
table.remove(args, i)
verbose = true
end
end
if #args > 0 then secondary = args end
-- Read the contents of the primary language file
local primary_contents, n = {}, 1
for line in io.lines(path:format(primary)) do
local key = line:match("^([^=]+)=.*$")
if key then
primary_contents[n], n = key, n + 1
elseif line == "" or line:sub(1, 1) == "#" then
primary_contents[n], n = line, n + 1
else
io.stderr:write(("Unknown line %q in %s\n"):format(line, primary))
os.exit(1)
end
end
for _, language in ipairs(secondary) do
local keys = {}
for line in io.lines(path:format(language)) do
local key, value = line:match("^([^=]+)=(.*)$")
if key then
if keys[key] then
io.stderr:write(("Duplicate keys for %q in %q\n"):format(key, language))
os.exit(10)
end
keys[key] = value
elseif line ~= "" and line:sub(1, 1) ~= "#" then
io.stderr:write(("Unknown line %q in %s\n"):format(line, language))
os.exit(1)
end
end
local h = io.open(path:format(language), "wb")
local previous_blank = true
for _, line in ipairs(primary_contents) do
if line == "" then
if not previous_blank then
previous_blank = true
h:write("\n")
end
elseif line:sub(1, 1) == "#" then
h:write(line .. "\n")
previous_blank = false
else
local translated = keys[line]
if translated then
h:write(("%s=%s\n"):format(line, translated))
keys[line] = nil
previous_blank = false
elseif verbose then
io.stderr:write(("Missing translation %q for %q\n"):format(line, language))
end
end
end
if next(keys) ~= nil then
local extra = {}
for k, v in pairs(keys) do extra[#extra + 1] = ("%s=%s\n"):format(k, v) end
table.sort(extra)
io.stderr:write(("%d additional unknown translation keys in %q\n"):format(#extra, language))
if not previous_blank then h:write("\n") end
h:write("#Unknown translations\n")
for _, line in ipairs(extra) do h:write(line) end
end
h:close()
end