1 #!/usr/bin/env python 2 3 """ 4 Moin serialiser support. 5 6 Copyright (C) 2017, 2018 Paul Boddie <paul@boddie.org.uk> 7 8 This program is free software; you can redistribute it and/or modify it under 9 the terms of the GNU General Public License as published by the Free Software 10 Foundation; either version 3 of the License, or (at your option) any later 11 version. 12 13 This program is distributed in the hope that it will be useful, but WITHOUT 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 15 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more 16 details. 17 18 You should have received a copy of the GNU General Public License along with 19 this program. If not, see <http://www.gnu.org/licenses/>. 20 """ 21 22 class Serialiser: 23 24 "General serialisation support." 25 26 format = None # defined by subclasses 27 28 def __init__(self, out, formats=None): 29 30 """ 31 Initialise the serialiser with an 'out' callable and an optional 32 'formats' mapping from names to serialiser classes. 33 """ 34 35 self.out = out 36 self.formats = formats 37 self.init() 38 39 def init(self): 40 41 "Initialisation method to be overridden by subclasses." 42 43 pass 44 45 def __repr__(self): 46 return "%s(%r, %r)" % (self.__class__.__name__, self.out, self.formats) 47 48 def escape_attr(s): 49 50 "Escape XML document attribute." 51 52 return escape_text(s).replace("'", "'").replace('"', """) 53 54 def escape_text(s): 55 56 "Escape XML document text." 57 58 return s.replace("&", "&").replace("<", "<").replace(">", ">") 59 60 # vim: tabstop=4 expandtab shiftwidth=4