1 files changed, 31 insertions, 0 deletions
diff --git a/src/GF/Text/Russian.hs b/src/GF/Text/Russian.hs
new file mode 100644
index 000000000..07605a83a
--- /dev/null
+++ b/src/GF/Text/Russian.hs
@@ -0,0 +1,31 @@
+module Russian where
+
+-- an ad hoc ASCII encoding. Delimiters: /_ _/
+mkRussian :: String -> String
+mkRussian = unwords . (map mkRussianWord) . words
+
+-- the KOI8 encoding, incomplete. Delimiters: /* */
+mkRusKOI8 :: String -> String
+mkRusKOI8 = unwords . (map mkRussianKOI8) . words
+
+type RussianChar = Char
+
+mkRussianWord :: String -> [RussianChar]
+mkRussianWord = map (mkRussianChar allRussianCodes)
+
+mkRussianKOI8 :: String -> [RussianChar]
+mkRussianKOI8 = map (mkRussianChar allRussianKOI8)
+
+mkRussianChar chars c = case lookup c cc of Just c' -> c' ; _ -> c 
+ where 
+   cc = zip chars allRussian
+
+allRussianCodes = 
+ "ÅåABVGDEXZIJKLMNOPRSTUFHCQW£}!*ÖYÄabvgdexzijklmnoprstufhcqw#01'öyä"
+allRussianKOI8 =
+ "^@áâ÷çäåöúéêëìíîïðòóôõæèãþûýøùÿüàñÁÂ×ÇÄÅÖÚÉÊËÌÍÎÏÐÒÓÔÕÆÈÃÞÛÝØÙßÜÀÑ"
+
+allRussian :: String
+allRussian = (map toEnum (0x0401:0x0451:[0x0410 .. 0x044f])) -- Ëë in odd places
+
+