quakeforge/tools/io_qfmap/quakechr.py
Bill Currie 225cb4b364 Create an idquake character encoding.
It just does a 1:1 charmap conversion of quake text, purely to allow python
to read arbitrary qc code.
2012-09-13 12:19:26 +09:00

46 lines
1.3 KiB
Python

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