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89 lines
2.4 KiB
Python
89 lines
2.4 KiB
Python
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"""Translate strings to and from SOAP 1.2 XML name encoding
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Implements rules for mapping application defined name to XML names
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specified by the w3 SOAP working group for SOAP version 1.2 in
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Appendix A of "SOAP Version 1.2 Part 2: Adjuncts", W3C Working Draft
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17, December 2001, <http://www.w3.org/TR/soap12-part2/#namemap>
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Also see <http://www.w3.org/2000/xp/Group/xmlp-issues>.
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Author: Gregory R. Warnes <gregory_r_warnes@groton.pfizer.com>
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Date:: 2002-04-25
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Version 0.9.0
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"""
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ident = "$Id$"
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from re import *
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def _NCNameChar(x):
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return x.isalpha() or x.isdigit() or x=="." or x=='-' or x=="_"
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def _NCNameStartChar(x):
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return x.isalpha() or x=="_"
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def _toUnicodeHex(x):
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hexval = hex(ord(x[0]))[2:]
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hexlen = len(hexval)
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# Make hexval have either 4 or 8 digits by prepending 0's
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if (hexlen==1): hexval = "000" + hexval
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elif (hexlen==2): hexval = "00" + hexval
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elif (hexlen==3): hexval = "0" + hexval
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elif (hexlen==4): hexval = "" + hexval
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elif (hexlen==5): hexval = "000" + hexval
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elif (hexlen==6): hexval = "00" + hexval
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elif (hexlen==7): hexval = "0" + hexval
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elif (hexlen==8): hexval = "" + hexval
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else: raise Exception, "Illegal Value returned from hex(ord(x))"
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return "_x"+ hexval + "_"
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def _fromUnicodeHex(x):
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return eval( r'u"\u'+x[2:-1]+'"' )
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def toXMLname(string):
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"""Convert string to a XML name."""
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if string.find(':') != -1 :
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(prefix, localname) = string.split(':',1)
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else:
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prefix = None
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localname = string
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T = unicode(localname)
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N = len(localname)
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X = [];
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for i in range(N) :
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if i< N-1 and T[i]==u'_' and T[i+1]==u'x':
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X.append(u'_x005F_')
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elif i==0 and N >= 3 and \
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( T[0]==u'x' or T[0]==u'X' ) and \
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( T[1]==u'm' or T[1]==u'M' ) and \
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( T[2]==u'l' or T[2]==u'L' ):
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X.append(u'_xFFFF_' + T[0])
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elif (not _NCNameChar(T[i])) or (i==0 and not _NCNameStartChar(T[i])):
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X.append(_toUnicodeHex(T[i]))
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else:
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X.append(T[i])
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return u''.join(X)
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def fromXMLname(string):
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"""Convert XML name to unicode string."""
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retval = sub(r'_xFFFF_','', string )
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def fun( matchobj ):
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return _fromUnicodeHex( matchobj.group(0) )
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retval = sub(r'_x[0-9A-Za-z]+_', fun, retval )
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return retval
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