47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
# vim:ts=4:et
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import codecs
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class Codec(codecs.Codec):
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def encode(self,input,errors='strict'):
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return codecs.charmap_encode(input,errors,encoding_map)
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def decode(self,input,errors='strict'):
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return codecs.charmap_decode(input,errors,decoding_table)
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class IncrementalEncoder(codecs.IncrementalEncoder):
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def encode(self, input, final=False):
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return codecs.charmap_encode(input,self.errors,encoding_map)[0]
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class IncrementalDecoder(codecs.IncrementalDecoder):
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def decode(self, input, final=False):
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return codecs.charmap_decode(input,self.errors,decoding_table)[0]
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class StreamWriter(Codec,codecs.StreamWriter):
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pass
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class StreamReader(Codec,codecs.StreamReader):
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pass
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def search_function(encoding):
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if encoding != "idquake":
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return None
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return codecs.CodecInfo(
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name='idquake',
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encode=Codec().encode,
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decode=Codec().decode,
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incrementalencoder=IncrementalEncoder,
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incrementaldecoder=IncrementalDecoder,
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streamreader=StreamReader,
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streamwriter=StreamWriter,
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)
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decoding_table = [None]*256
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for i in range(256):
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decoding_table[i] = i
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decoding_table = tuple(decoding_table)
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encoding_map = codecs.make_identity_dict(range(256))
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codecs.register(search_function)
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