def match_begin_end_env(env='equation', get_content=True):
'''matchs \begin{equation*} something ... \end{equation}
One special option is env='anything', will match all \begin{}*\end{}
'''
er = Regex()
er.add(r"\\begin{")
er.add(er.zero_or_more(er.whitespace()))
if env == 'anything':
env = er.non_greedy(er.zero_or_more(er.anything()))
er.add(env)
er.add(er.zero_or_more(er.whitespace()))
er.add(er.zero_or_one(r'\*'))
er.add(er.zero_or_more(er.whitespace()))
er.add(r"}")
if get_content: er.add(er.group_begin(name="content"))
er.add(er.non_greedy(er.zero_or_more(er.anything())))
if get_content: er.add(er.group_end())
er.add(r"\\end{")
er.add(er.zero_or_more(er.whitespace()))
er.add(env)
er.add(er.zero_or_more(er.whitespace()))
er.add(er.zero_or_one(r'\*'))
er.add(er.zero_or_more(er.whitespace()))
er.add(r"}")
er.compile()
return er
def main():
###### testing code snippets (leftover from development) ######
re = Regex.compile('(.)\\1')
re.display()
assert re.match('AA')
assert not re.match('AB')
print "===================================="
re = Regex.compile('AA')
re.display()
assert not re.match('A')
assert re.match('AA')
assert not re.match('AAAA')
print "===================================="
re = Regex.compile('(O|RHH|MM)*')
re.display()
assert re.match('')
assert re.match('OOOO')
assert re.match('MMORHHO')
assert not re.match('MMORHHH')
assert re.match('ORHH')
print "===================================="
re = Regex.compile('((A)\\2)\\1')
re.display()
assert re.match('AAAA')
return 0
def main():
x_regexes = [
'.*H.*H.*',
'(DI|NS|TH|OM)*',
'F.*[AO].*[AO].*',
'(O|RHH|MM)*',
'.*',
'C*MC(CCC|MM)*',
'[^C]*[^R]*III.*',
'(...?)\\1*',
'([^X]|XCC)*',
'(RR|HHH)*.?',
'N.*X.X.X.*E',
'R*D*M*',
'.(C|HH)*',
]
y_regexes = [
'(ND|ET|IN)[^X]*',
'[CHMNOR]*I[CHMNOR]*',
'P+(..)\\1.*',
'(E|CR|MN)*',
'([^MC]|MM|CC)*',
'[AM]*CM(RC)*R?',
'.*',
'.*PRR.*DDC.*',
'(HHX|[^HX])*',
'([^EMC]|EM)*',
'.*OXR.*',
'.*LR.*RL.*',
'.*SE.*UE.*',
]
# start with x = 0, y = max
z_regexes = [
'.*G.*V.*H.*',
'[CR]*',
'.*XEXM*',
'.*DD.*CCM.*',
'.*XHCR.*X.*',
'.*(.)(.)(.)(.)\\4\\3\\2\\1.*',
'.*(IN|SE|HI)',
'[^C]*MMM[^C]*',
'.*(.)C\\1X\\1.*',
'[CEIMU]*OH[AEMOR]*',
'(RX|[^R])*',
'[^M]*M[^M]*',
'(S|MM|HHH)*',
]
n = 7
x_regexes = [Regex.compile(i) for i in x_regexes]
y_regexes = [Regex.compile(i) for i in y_regexes]
z_regexes = [Regex.compile(i) for i in z_regexes]
arr = RegexCrossword.solve(n, x_regexes, y_regexes, z_regexes)
display_hexagon(arr)
return 0
def match_env(env='section', get_content=True):
'''matchs text in the title or captions, \section{Chapter one}'''
er = Regex()
er.add(r"\\%s{" % env)
if get_content: er.add(er.group_begin(name="content"))
er.add(er.non_greedy(er.zero_or_more(er.anything())))
if get_content: er.add(er.group_end())
er.add(r"}")
er.compile()
return er
