extend the cp1251 coding to cover all cyrillic letters

This commit is contained in:
krasimir
2008-10-25 20:22:06 +00:00
parent 4cd3d6395b
commit a06d2c6d50

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@@ -4,15 +4,71 @@ import Data.Char
decodeCP1251 = map convert where
convert c
| c >= '\192' && c <= '\255' = chr (ord c + 848)
| c == '\168' = chr 1025 -- cyrillic capital letter lo
| c == '\184' = chr 1105 -- cyrillic small letter lo
| c >= '\xC0' && c <= '\xFF' = chr (ord c + (0x410-0xC0))
| c == '\xA8' = chr 0x401 -- cyrillic capital letter lo
| c == '\x80' = chr 0x402
| c == '\x81' = chr 0x403
| c == '\xAA' = chr 0x404
| c == '\xBD' = chr 0x405
| c == '\xB2' = chr 0x406
| c == '\xAF' = chr 0x407
| c == '\xA3' = chr 0x408
| c == '\x8A' = chr 0x409
| c == '\x8C' = chr 0x40A
| c == '\x8E' = chr 0x40B
| c == '\x8D' = chr 0x40C
| c == '\xA1' = chr 0x40E
| c == '\x8F' = chr 0x40F
| c == '\xB8' = chr 0x451 -- cyrillic small letter lo
| c == '\x90' = chr 0x452
| c == '\x83' = chr 0x453
| c == '\xBA' = chr 0x454
| c == '\xBE' = chr 0x455
| c == '\xB3' = chr 0x456
| c == '\xBF' = chr 0x457
| c == '\xBC' = chr 0x458
| c == '\x9A' = chr 0x459
| c == '\x9C' = chr 0x45A
| c == '\x9E' = chr 0x45B
| c == '\x9D' = chr 0x45C
| c == '\xA2' = chr 0x45E
| c == '\x9F' = chr 0x45F
| c == '\xA5' = chr 0x490
| c == '\xB4' = chr 0x491
| otherwise = c
encodeCP1251 = map convert where
convert c
| oc >= 1040 && oc <= 1103 = chr (oc - 848)
| oc == 1025 = chr 168 -- cyrillic capital letter lo
| oc == 1105 = chr 184 -- cyrillic small letter lo
| otherwise = c
| oc >= 0x410 && oc <= 0x44F = chr (oc - (0x410-0xC0))
| oc == 0x401 = '\xA8' -- cyrillic capital letter lo
| oc == 0x402 = '\x80'
| oc == 0x403 = '\x81'
| oc == 0x404 = '\xAA'
| oc == 0x405 = '\xBD'
| oc == 0x406 = '\xB2'
| oc == 0x407 = '\xAF'
| oc == 0x408 = '\xA3'
| oc == 0x409 = '\x8A'
| oc == 0x40A = '\x8C'
| oc == 0x40B = '\x8E'
| oc == 0x40C = '\x8D'
| oc == 0x40E = '\xA1'
| oc == 0x40F = '\x8F'
| oc == 0x451 = '\xB8' -- cyrillic small letter lo
| oc == 0x452 = '\x90'
| oc == 0x453 = '\x83'
| oc == 0x454 = '\xBA'
| oc == 0x455 = '\xBE'
| oc == 0x456 = '\xB3'
| oc == 0x457 = '\xBF'
| oc == 0x458 = '\xBC'
| oc == 0x459 = '\x9A'
| oc == 0x45A = '\x9C'
| oc == 0x45B = '\x9E'
| oc == 0x45C = '\x9D'
| oc == 0x45E = '\xA2'
| oc == 0x45F = '\x9F'
| oc == 0x490 = '\xA5'
| oc == 0x491 = '\xB4'
| otherwise = c
where oc = ord c