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