Initial commit of OpenSPARC T2 architecture model.

[OpenSPARC-T2-SAM] / sam-t2 / devtools / v9 / lib / python2.4 / encodings / utf_16.py

""" Python 'utf-16' Codec


Written by Marc-Andre Lemburg (mal@lemburg.com).

(c) Copyright CNRI, All Rights Reserved. NO WARRANTY.

"""
import codecs, sys

### Codec APIs

encode = codecs.utf_16_encode

def decode(input, errors='strict'):
   return codecs.utf_16_decode(input, errors, True)

class StreamWriter(codecs.StreamWriter):
   def __init__(self, stream, errors='strict'):
       self.bom_written = False
       codecs.StreamWriter.__init__(self, stream, errors)

   def encode(self, input, errors='strict'):
       self.bom_written = True
       result = codecs.utf_16_encode(input, errors)
       if sys.byteorder == 'little':
           self.encode = codecs.utf_16_le_encode
       else:
           self.encode = codecs.utf_16_be_encode
       return result

class StreamReader(codecs.StreamReader):

   def reset(self):
       codecs.StreamReader.reset(self)
       try:
           del self.decode
       except AttributeError:
           pass

   def decode(self, input, errors='strict'):
       (object, consumed, byteorder) = \
           codecs.utf_16_ex_decode(input, errors, 0, False)
       if byteorder == -1:
           self.decode = codecs.utf_16_le_decode
       elif byteorder == 1:
           self.decode = codecs.utf_16_be_decode
       elif consumed>=2:
           raise UnicodeError,"UTF-16 stream does not start with BOM"
       return (object, consumed)

### encodings module API

def getregentry():

   return (encode,decode,StreamReader,StreamWriter)