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intllib = intllib or {}
local INS_CHAR = "@"
intllib.INSERTION_CHAR = INS_CHAR
local escapes = {
["\\"] = "\\",
["n"] = "\n",
[INS_CHAR] = INS_CHAR..INS_CHAR,
}
local function unescape(str)
local parts = {}
local n = 1
local function add(s)
parts[n] = s
n = n + 1
end
local start = 1
while true do
local pos = str:find("\\", start, true)
if pos then
add(str:sub(start, pos - 1))
else
add(str:sub(start))
break
end
local c = str:sub(pos + 1, pos + 1)
add(escapes[c] or c)
start = pos + 2
end
return table.concat(parts)
end
local function find_eq(s)
for slashes, pos in s:gmatch("([\\]*)=()") do
if (slashes:len() % 2) == 0 then
return pos - 1
end
end
end
function intllib.load_strings(filename)
local file, err = io.open(filename, "r")
if not file then
return nil
end
local strings = {}
for line in file:lines() do
line = line:trim()
if line ~= "" and line:sub(1, 1) ~= "#" then
local pos = find_eq(line)
if pos then
local msgid = unescape(line:sub(1, pos - 1):trim())
strings[msgid] = unescape(line:sub(pos + 1):trim())
end
end
end
file:close()
return strings
end
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