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