def __init__(self):
family = Regex(r'([^%s]|(\\[%s]))*' %
(family_punc, family_punc)) \
.setParseAction(self._family)
size = Regex(r"([0-9]+\.?[0-9]*|\.[0-9]+)") \
.setParseAction(self._size)
name = Regex(r'[a-z]+') \
.setParseAction(self._name)
value = Regex(r'([^%s]|(\\[%s]))*' %
(value_punc, value_punc)) \
.setParseAction(self._value)
families = (family + ZeroOrMore(Literal(',') + family)).setParseAction(
self._families)
point_sizes = (size + ZeroOrMore(Literal(',') + size)).setParseAction(
self._point_sizes)
property = ((name + Suppress(Literal('=')) + value +
ZeroOrMore(Suppress(Literal(',')) + value))
| name).setParseAction(self._property)
pattern = (Optional(families) + Optional(Literal('-') + point_sizes) +
ZeroOrMore(Literal(':') + property) + StringEnd())
self._parser = pattern
self.ParseException = ParseException
#print 'subsup', toks
prev, undersym, down, oversym, up = toks[0]
if self.is_overunder(prev):
prev.neighbors['below'] = down
prev.neighbors['above'] = up
else:
prev.neighbors['subscript'] = down
prev.neighbors['superscript'] = up
return loc, [prev]
handler = Handler()
lbrace = Literal('{').suppress()
rbrace = Literal('}').suppress()
lbrack = Literal('[')
rbrack = Literal(']')
lparen = Literal('(')
rparen = Literal(')')
grouping = lbrack | rbrack | lparen | rparen
bslash = Literal('\\')
langle = Literal('<')
rangle = Literal('>')
equals = Literal('=')
relation = langle | rangle | equals
colon = Literal(':')
prev, undersym, down, oversym, up = toks[0]
if self.is_overunder(prev):
prev.neighbors['below'] = down
prev.neighbors['above'] = up
else:
prev.neighbors['subscript'] = down
prev.neighbors['superscript'] = up
return loc, [prev]
handler = Handler()
lbrace = Literal('{').suppress()
rbrace = Literal('}').suppress()
lbrack = Literal('[')
rbrack = Literal(']')
lparen = Literal('(')
rparen = Literal(')')
grouping = lbrack | rbrack | lparen | rparen
bslash = Literal('\\')
langle = Literal('<')
rangle = Literal('>')
equals = Literal('=')
relation = langle | rangle | equals