From abb257aae33b7c794eb7fcb604f2464684aed176 Mon Sep 17 00:00:00 2001
From: kaeza <kaeza@users.sf.net>
Date: Tue, 29 Oct 2013 17:37:36 -0200
Subject: Some refactoring.

---
 lib.lua | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 lib.lua

(limited to 'lib.lua')

diff --git a/lib.lua b/lib.lua
new file mode 100644
index 0000000..1268b04
--- /dev/null
+++ b/lib.lua
@@ -0,0 +1,44 @@
+
+local escapes = {
+	["\\"] = "\\",
+	["n"]  = "\n",
+	["="]  = "=",
+}
+
+local function unescape(s)
+	return s:gsub("([\\]?)\\(.)", function(slash, what)
+		if slash and (slash ~= "") then
+			return "\\"..what
+		else
+			return escapes[what] or what
+		end
+	end)
+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 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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