163 lines
7.7 KiB
Haskell
163 lines
7.7 KiB
Haskell
module PDF.Encoding.MacRoman (
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macRomanEncoding
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) where
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import qualified Data.ByteString.Char8 as BS (pack, unpack)
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import Data.Foldable (foldl')
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import Data.Map (Map)
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import qualified Data.Map as Map (empty, insert, lookup)
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import qualified Data.Text as Text (pack, unpack)
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import PDF.Font (Font(..))
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type Mapper = Map Char Char
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macRomanEncoding :: Font
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macRomanEncoding = Font {
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decode = Right . Text.pack . fmap decodeChar . BS.unpack
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, encode = fmap BS.pack . mapM encodeChar . Text.unpack
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}
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where
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decodeChar k = maybe k id $ Map.lookup k (fst mappers)
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encodeChar k =
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case Map.lookup k (snd mappers) of
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Just v -> Right v
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Nothing
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| k < '\x80' -> Right k
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| otherwise -> Left ("Character '" ++ k :"' unavailable in MacRoman")
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mappers :: (Mapper, Mapper)
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mappers = foldl' generateMapers (Map.empty, Map.empty) [
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('\x80', '\x00C4') -- LATIN CAPITAL LETTER A WITH DIAERESIS
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, ('\x81', '\x00C5') -- LATIN CAPITAL LETTER A WITH RING ABOVE
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, ('\x82', '\x00C7') -- LATIN CAPITAL LETTER C WITH CEDILLA
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, ('\x83', '\x00C9') -- LATIN CAPITAL LETTER E WITH ACUTE
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, ('\x84', '\x00D1') -- LATIN CAPITAL LETTER N WITH TILDE
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, ('\x85', '\x00D6') -- LATIN CAPITAL LETTER O WITH DIAERESIS
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, ('\x86', '\x00DC') -- LATIN CAPITAL LETTER U WITH DIAERESIS
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, ('\x87', '\x00E1') -- LATIN SMALL LETTER A WITH ACUTE
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, ('\x88', '\x00E0') -- LATIN SMALL LETTER A WITH GRAVE
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, ('\x89', '\x00E2') -- LATIN SMALL LETTER A WITH CIRCUMFLEX
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, ('\x8A', '\x00E4') -- LATIN SMALL LETTER A WITH DIAERESIS
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, ('\x8B', '\x00E3') -- LATIN SMALL LETTER A WITH TILDE
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, ('\x8C', '\x00E5') -- LATIN SMALL LETTER A WITH RING ABOVE
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, ('\x8D', '\x00E7') -- LATIN SMALL LETTER C WITH CEDILLA
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, ('\x8E', '\x00E9') -- LATIN SMALL LETTER E WITH ACUTE
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, ('\x8F', '\x00E8') -- LATIN SMALL LETTER E WITH GRAVE
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, ('\x90', '\x00EA') -- LATIN SMALL LETTER E WITH CIRCUMFLEX
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, ('\x91', '\x00EB') -- LATIN SMALL LETTER E WITH DIAERESIS
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, ('\x92', '\x00ED') -- LATIN SMALL LETTER I WITH ACUTE
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, ('\x93', '\x00EC') -- LATIN SMALL LETTER I WITH GRAVE
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, ('\x94', '\x00EE') -- LATIN SMALL LETTER I WITH CIRCUMFLEX
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, ('\x95', '\x00EF') -- LATIN SMALL LETTER I WITH DIAERESIS
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, ('\x96', '\x00F1') -- LATIN SMALL LETTER N WITH TILDE
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, ('\x97', '\x00F3') -- LATIN SMALL LETTER O WITH ACUTE
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, ('\x98', '\x00F2') -- LATIN SMALL LETTER O WITH GRAVE
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, ('\x99', '\x00F4') -- LATIN SMALL LETTER O WITH CIRCUMFLEX
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, ('\x9A', '\x00F6') -- LATIN SMALL LETTER O WITH DIAERESIS
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, ('\x9B', '\x00F5') -- LATIN SMALL LETTER O WITH TILDE
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, ('\x9C', '\x00FA') -- LATIN SMALL LETTER U WITH ACUTE
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, ('\x9D', '\x00F9') -- LATIN SMALL LETTER U WITH GRAVE
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, ('\x9E', '\x00FB') -- LATIN SMALL LETTER U WITH CIRCUMFLEX
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, ('\x9F', '\x00FC') -- LATIN SMALL LETTER U WITH DIAERESIS
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, ('\xA0', '\x2020') -- DAGGER
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, ('\xA1', '\x00B0') -- DEGREE SIGN
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, ('\xA2', '\x00A2') -- CENT SIGN
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, ('\xA3', '\x00A3') -- POUND SIGN
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, ('\xA4', '\x00A7') -- SECTION SIGN
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, ('\xA5', '\x2022') -- BULLET
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, ('\xA6', '\x00B6') -- PILCROW SIGN
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, ('\xA7', '\x00DF') -- LATIN SMALL LETTER SHARP S
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, ('\xA8', '\x00AE') -- REGISTERED SIGN
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, ('\xA9', '\x00A9') -- COPYRIGHT SIGN
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, ('\xAA', '\x2122') -- TRADE MARK SIGN
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, ('\xAB', '\x00B4') -- ACUTE ACCENT
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, ('\xAC', '\x00A8') -- DIAERESIS
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, ('\xAD', '\x2260') -- NOT EQUAL TO
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, ('\xAE', '\x00C6') -- LATIN CAPITAL LETTER AE
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, ('\xAF', '\x00D8') -- LATIN CAPITAL LETTER O WITH STROKE
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, ('\xB0', '\x221E') -- INFINITY
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, ('\xB1', '\x00B1') -- PLUS-MINUS SIGN
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, ('\xB2', '\x2264') -- LESS-THAN OR EQUAL TO
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, ('\xB3', '\x2265') -- GREATER-THAN OR EQUAL TO
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, ('\xB4', '\x00A5') -- YEN SIGN
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, ('\xB5', '\x00B5') -- MICRO SIGN
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, ('\xB6', '\x2202') -- PARTIAL DIFFERENTIAL
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, ('\xB7', '\x2211') -- N-ARY SUMMATION
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, ('\xB8', '\x220F') -- N-ARY PRODUCT
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, ('\xB9', '\x03C0') -- GREEK SMALL LETTER PI
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, ('\xBA', '\x222B') -- INTEGRAL
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, ('\xBB', '\x00AA') -- FEMININE ORDINAL INDICATOR
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, ('\xBC', '\x00BA') -- MASCULINE ORDINAL INDICATOR
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, ('\xBD', '\x03A9') -- GREEK CAPITAL LETTER OMEGA
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, ('\xBE', '\x00E6') -- LATIN SMALL LETTER AE
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, ('\xBF', '\x00F8') -- LATIN SMALL LETTER O WITH STROKE
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, ('\xC0', '\x00BF') -- INVERTED QUESTION MARK
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, ('\xC1', '\x00A1') -- INVERTED EXCLAMATION MARK
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, ('\xC2', '\x00AC') -- NOT SIGN
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, ('\xC3', '\x221A') -- SQUARE ROOT
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, ('\xC4', '\x0192') -- LATIN SMALL LETTER F WITH HOOK
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, ('\xC5', '\x2248') -- ALMOST EQUAL TO
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, ('\xC6', '\x2206') -- INCREMENT
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, ('\xC7', '\x00AB') -- LEFT-POINTING DOUBLE ANGLE QUOTATION MARK
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, ('\xC8', '\x00BB') -- RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
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, ('\xC9', '\x2026') -- HORIZONTAL ELLIPSIS
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, ('\xCA', '\x00A0') -- NO-BREAK SPACE
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, ('\xCB', '\x00C0') -- LATIN CAPITAL LETTER A WITH GRAVE
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, ('\xCC', '\x00C3') -- LATIN CAPITAL LETTER A WITH TILDE
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, ('\xCD', '\x00D5') -- LATIN CAPITAL LETTER O WITH TILDE
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, ('\xCE', '\x0152') -- LATIN CAPITAL LIGATURE OE
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, ('\xCF', '\x0153') -- LATIN SMALL LIGATURE OE
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, ('\xD0', '\x2013') -- EN DASH
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, ('\xD1', '\x2014') -- EM DASH
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, ('\xD2', '\x201C') -- LEFT DOUBLE QUOTATION MARK
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, ('\xD3', '\x201D') -- RIGHT DOUBLE QUOTATION MARK
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, ('\xD4', '\x2018') -- LEFT SINGLE QUOTATION MARK
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, ('\xD5', '\x2019') -- RIGHT SINGLE QUOTATION MARK
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, ('\xD6', '\x00F7') -- DIVISION SIGN
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, ('\xD7', '\x25CA') -- LOZENGE
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, ('\xD8', '\x00FF') -- LATIN SMALL LETTER Y WITH DIAERESIS
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, ('\xD9', '\x0178') -- LATIN CAPITAL LETTER Y WITH DIAERESIS
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, ('\xDA', '\x2044') -- FRACTION SLASH
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, ('\xDB', '\x20AC') -- EURO SIGN
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, ('\xDC', '\x2039') -- SINGLE LEFT-POINTING ANGLE QUOTATION MARK
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, ('\xDD', '\x203A') -- SINGLE RIGHT-POINTING ANGLE QUOTATION MARK
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, ('\xDE', '\xFB01') -- LATIN SMALL LIGATURE FI
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, ('\xDF', '\xFB02') -- LATIN SMALL LIGATURE FL
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, ('\xE0', '\x2021') -- DOUBLE DAGGER
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, ('\xE1', '\x00B7') -- MIDDLE DOT
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, ('\xE2', '\x201A') -- SINGLE LOW-9 QUOTATION MARK
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, ('\xE3', '\x201E') -- DOUBLE LOW-9 QUOTATION MARK
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, ('\xE4', '\x2030') -- PER MILLE SIGN
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, ('\xE5', '\x00C2') -- LATIN CAPITAL LETTER A WITH CIRCUMFLEX
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, ('\xE6', '\x00CA') -- LATIN CAPITAL LETTER E WITH CIRCUMFLEX
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, ('\xE7', '\x00C1') -- LATIN CAPITAL LETTER A WITH ACUTE
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, ('\xE8', '\x00CB') -- LATIN CAPITAL LETTER E WITH DIAERESIS
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, ('\xE9', '\x00C8') -- LATIN CAPITAL LETTER E WITH GRAVE
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, ('\xEA', '\x00CD') -- LATIN CAPITAL LETTER I WITH ACUTE
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, ('\xEB', '\x00CE') -- LATIN CAPITAL LETTER I WITH CIRCUMFLEX
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, ('\xEC', '\x00CF') -- LATIN CAPITAL LETTER I WITH DIAERESIS
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, ('\xED', '\x00CC') -- LATIN CAPITAL LETTER I WITH GRAVE
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, ('\xEE', '\x00D3') -- LATIN CAPITAL LETTER O WITH ACUTE
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, ('\xEF', '\x00D4') -- LATIN CAPITAL LETTER O WITH CIRCUMFLEX
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, ('\xF0', '\xF8FF') -- Apple logo
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, ('\xF1', '\x00D2') -- LATIN CAPITAL LETTER O WITH GRAVE
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, ('\xF2', '\x00DA') -- LATIN CAPITAL LETTER U WITH ACUTE
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, ('\xF3', '\x00DB') -- LATIN CAPITAL LETTER U WITH CIRCUMFLEX
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, ('\xF4', '\x00D9') -- LATIN CAPITAL LETTER U WITH GRAVE
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, ('\xF5', '\x0131') -- LATIN SMALL LETTER DOTLESS I
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, ('\xF6', '\x02C6') -- MODIFIER LETTER CIRCUMFLEX ACCENT
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, ('\xF7', '\x02DC') -- SMALL TILDE
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, ('\xF8', '\x00AF') -- MACRON
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, ('\xF9', '\x02D8') -- BREVE
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, ('\xFA', '\x02D9') -- DOT ABOVE
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, ('\xFB', '\x02DA') -- RING ABOVE
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, ('\xFC', '\x00B8') -- CEDILLA
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, ('\xFD', '\x02DD') -- DOUBLE ACUTE ACCENT
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, ('\xFE', '\x02DB') -- OGONEK
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, ('\xFF', '\x02C7') -- CARON
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]
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where
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generateMapers (tmpDecoder, tmpEncoder) (macChar, utf8Char) = (
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Map.insert macChar utf8Char tmpDecoder
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, Map.insert utf8Char macChar tmpEncoder
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)
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