Lib/encodings/palmos.py

   1 """ Python Character Mapping Codec for PalmOS 3.5.
   2
   3 Written by Sjoerd Mullender (sjoerd@acm.org); based on iso8859_15.py.
   4
   5 """#"
   6
   7 import codecs
   8
   9 ### Codec APIs
  10
  11 class Codec(codecs.Codec):
  12     def encode(self,input,errors='strict'):
  13         return codecs.charmap_encode(input,errors,encoding_map)
  14
  15     def decode(self,input,errors='strict'):
  16         return codecs.charmap_decode(input,errors,decoding_map)
  17
  18 class IncrementalEncoder(codecs.IncrementalEncoder):
  19     def encode(self, input, final=False):
  20         return codecs.charmap_encode(input,self.errors,encoding_map)[0]
  21
  22 class IncrementalDecoder(codecs.IncrementalDecoder):
  23     def decode(self, input, final=False):
  24         return codecs.charmap_decode(input,self.errors,decoding_map)[0]
  25
  26 class StreamWriter(Codec,codecs.StreamWriter):
  27     pass
  28
  29 class StreamReader(Codec,codecs.StreamReader):
  30     pass
  31
  32 ### encodings module API
  33
  34 def getregentry():
  35     return codecs.CodecInfo(
  36         name='palmos',
  37         encode=Codec().encode,
  38         decode=Codec().decode,
  39         incrementalencoder=IncrementalEncoder,
  40         incrementaldecoder=IncrementalDecoder,
  41         streamreader=StreamReader,
  42         streamwriter=StreamWriter,
  43     )
  44
  45 ### Decoding Map
  46
  47 decoding_map = codecs.make_identity_dict(range(256))
  48
  49 # The PalmOS character set is mostly iso-8859-1 with some differences.
  50 decoding_map.update({
  51         0x0080: 0x20ac, #       EURO SIGN
  52         0x0082: 0x201a, #       SINGLE LOW-9 QUOTATION MARK
  53         0x0083: 0x0192, #       LATIN SMALL LETTER F WITH HOOK
  54         0x0084: 0x201e, #       DOUBLE LOW-9 QUOTATION MARK
  55         0x0085: 0x2026, #       HORIZONTAL ELLIPSIS
  56         0x0086: 0x2020, #       DAGGER
  57         0x0087: 0x2021, #       DOUBLE DAGGER
  58         0x0088: 0x02c6, #       MODIFIER LETTER CIRCUMFLEX ACCENT
  59         0x0089: 0x2030, #       PER MILLE SIGN
  60         0x008a: 0x0160, #       LATIN CAPITAL LETTER S WITH CARON
  61         0x008b: 0x2039, #       SINGLE LEFT-POINTING ANGLE QUOTATION MARK
  62         0x008c: 0x0152, #       LATIN CAPITAL LIGATURE OE
  63         0x008d: 0x2666, #       BLACK DIAMOND SUIT
  64         0x008e: 0x2663, #       BLACK CLUB SUIT
  65         0x008f: 0x2665, #       BLACK HEART SUIT
  66         0x0090: 0x2660, #       BLACK SPADE SUIT
  67         0x0091: 0x2018, #       LEFT SINGLE QUOTATION MARK
  68         0x0092: 0x2019, #       RIGHT SINGLE QUOTATION MARK
  69         0x0093: 0x201c, #       LEFT DOUBLE QUOTATION MARK
  70         0x0094: 0x201d, #       RIGHT DOUBLE QUOTATION MARK
  71         0x0095: 0x2022, #       BULLET
  72         0x0096: 0x2013, #       EN DASH
  73         0x0097: 0x2014, #       EM DASH
  74         0x0098: 0x02dc, #       SMALL TILDE
  75         0x0099: 0x2122, #       TRADE MARK SIGN
  76         0x009a: 0x0161, #       LATIN SMALL LETTER S WITH CARON
  77         0x009c: 0x0153, #       LATIN SMALL LIGATURE OE
  78         0x009f: 0x0178, #       LATIN CAPITAL LETTER Y WITH DIAERESIS
  79 })
  80
  81 ### Encoding Map
  82
  83 encoding_map = codecs.make_encoding_map(decoding_map)