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Coding.py
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Sat, Feb 15, 04:31

Coding.py
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# -*- coding: utf-8 -*-
# This file is part of pybliographer
#
# Copyright (C) 1998-2006 Frederic GOBRY
# Email : gobry@pybliographer.org
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
#
"""
Handles coding and decoding of LaTeX-escaped characters.
Coding and decoding tries to be as reversible as possible (though
certain encodings are ambiguous).
"""
# this map is for composing letters with diacritics, like in \'e
basemap = {
".": {
'C': u"Ċ", 'E': u"Ė", 'G': u"Ġ", 'I': u"İ", 'Z': u"Ż",
'c': u"\u010b", 'e': u"Ė", 'g': u"ġ", 'z': u"ż", },
"'": {
'A': u"Á", 'E': u"É", 'I': u"Í", 'O': u"Ó", 'U': u"Ú", 'Y': u"Ý", 'C': u"Ć", 'Z': u"Ź", 'N': u"Ń",
'a': u"á", 'e': u"é", 'i': u"í", 'o': u"ó", 'u': u"ú", 'y': u"ý", 'c': u"ć", 'z': u"ź", 'n': u"ń",
},
"`": {
'A': u"À", 'E': u"È", 'I': u"Ì", 'O': u"Ò", 'U': u"Ù",
'a': u"à", 'e': u"è", 'i': u"ì", 'o': u"ò", 'u': u"ù",
},
"^": {
'A': u"Â", 'E': u"Ê", 'I': u"Î", 'O': u"Ô", 'U': u"Û",
'a': u"â", 'e': u"ê", 'i': u"î", 'o': u"ô", 'u': u"û",
},
'"': {
'A': u"Ä", 'E': u"Ë", 'I': u"Ï", 'O': u"Ö", 'U': u"Ü",
'a': u"ä", 'e': u"ë", 'i': u"ï", 'o': u"ö", 'u': u"ü", 'y': u"ÿ",
},
"c": {
'C': u"Ç", 'c': u"ç",
},
"~": {
'A': u"Ã", 'O': u"Õ", 'N': u"Ñ",
'a': u"ã", 'o': u"õ", 'n': u"ñ",
},
}
staticmap = {
'ss': (u'ß', 0),
'ae': (u'æ', 0), 'AE': (u'Æ', 0),
'oe': (u'œ', 0), 'OE': (u'Œ', 0),
'aa': (u'å', 0), 'AA': (u'Å', 0),
'o' : (u'ø', 0), 'O' : (u'Ø', 0),
'copyright': (u'©', 0),
}
_reversemap = {}
# construct a simple map that goes from the unicode character to the
# BibTeX representation
for cmd, sub in basemap.iteritems():
for letter, symbol in sub.iteritems():
if letter == 'i':
letter = '{\\i}'
_reversemap[symbol] = '\\%s%s' % (cmd, letter)
for cmd, (symbol, count) in staticmap.iteritems():
_reversemap[symbol] = '\\%s{}' % cmd
def _encodeone(char):
o = ord(char)
if o >= 32 and o <= 127 and char not in '{}%\\$':
return char
try:
return _reversemap[char]
except KeyError:
return '\\char%d' % o
def encode(text):
""" encode a unicode string into a valid BibTeX string """
return text
#return u''.join([_encodeone(c) for c in text])

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