python-2.5.2/win32/Lib/encodings/charmap.py
author jjkang
Fri, 11 Jun 2010 15:22:40 +0800
changeset 2 9da1e5517a66
parent 0 ae805ac0140d
permissions -rw-r--r--
Change SFL to EPL
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
     1
""" Generic Python Character Mapping Codec.
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
     2
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
     3
    Use this codec directly rather than through the automatic
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
     4
    conversion mechanisms supplied by unicode() and .encode().
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
     5
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
     6
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
     7
Written by Marc-Andre Lemburg (mal@lemburg.com).
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
     8
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
     9
(c) Copyright CNRI, All Rights Reserved. NO WARRANTY.
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    10
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    11
"""#"
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    12
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    13
import codecs
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    14
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    15
### Codec APIs
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    16
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    17
class Codec(codecs.Codec):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    18
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    19
    # Note: Binding these as C functions will result in the class not
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    20
    # converting them to methods. This is intended.
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    21
    encode = codecs.charmap_encode
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    22
    decode = codecs.charmap_decode
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    23
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    24
class IncrementalEncoder(codecs.IncrementalEncoder):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    25
    def __init__(self, errors='strict', mapping=None):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    26
        codecs.IncrementalEncoder.__init__(self, errors)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    27
        self.mapping = mapping
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    28
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    29
    def encode(self, input, final=False):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    30
        return codecs.charmap_encode(input, self.errors, self.mapping)[0]
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    31
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    32
class IncrementalDecoder(codecs.IncrementalDecoder):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    33
    def __init__(self, errors='strict', mapping=None):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    34
        codecs.IncrementalDecoder.__init__(self, errors)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    35
        self.mapping = mapping
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    36
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    37
    def decode(self, input, final=False):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    38
        return codecs.charmap_decode(input, self.errors, self.mapping)[0]
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    39
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    40
class StreamWriter(Codec,codecs.StreamWriter):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    41
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    42
    def __init__(self,stream,errors='strict',mapping=None):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    43
        codecs.StreamWriter.__init__(self,stream,errors)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    44
        self.mapping = mapping
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    45
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    46
    def encode(self,input,errors='strict'):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    47
        return Codec.encode(input,errors,self.mapping)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    48
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    49
class StreamReader(Codec,codecs.StreamReader):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    50
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    51
    def __init__(self,stream,errors='strict',mapping=None):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    52
        codecs.StreamReader.__init__(self,stream,errors)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    53
        self.mapping = mapping
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    54
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    55
    def decode(self,input,errors='strict'):
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    56
        return Codec.decode(input,errors,self.mapping)
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    57
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    58
### encodings module API
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    59
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    60
def getregentry():
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    61
    return codecs.CodecInfo(
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    62
        name='charmap',
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    63
        encode=Codec.encode,
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    64
        decode=Codec.decode,
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    65
        incrementalencoder=IncrementalEncoder,
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    66
        incrementaldecoder=IncrementalDecoder,
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    67
        streamwriter=StreamWriter,
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    68
        streamreader=StreamReader,
ae805ac0140d DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
parents:
diff changeset
    69
    )