opencv/doc/plastex/latex.py

76 lines
2.2 KiB
Python

import sys
from pyparsing import Word, CharsNotIn, Optional, OneOrMore, ZeroOrMore, Group, ParseException, Literal, replaceWith
import pyparsing
help(pyparsing)
class Argument:
def __init__(self, s, loc, toks):
self.str = toks[1]
def __repr__(self):
return "[%s]" % self.str
def argfun(s, loc, toks):
return Argument(s, loc, toks)
class Parameter:
def __init__(self, s, loc, toks):
self.str = toks[1]
def __repr__(self):
return "{%s}" % self.str
def paramfun(s, loc, toks):
return Parameter(s, loc, toks)
class TexCmd:
def __init__(self, s, loc, toks):
self.cmd = str(toks[0])[1:]
#print 'cmd', self.cmd
self.args = toks[1].asList()
self.params = toks[2].asList()
def __repr__(self):
return self.cmd + "".join([repr(a) for a in self.args]) + "".join([repr(p) for p in self.params])
class ZeroOrMoreAsList(ZeroOrMore):
def __init__(self, *args):
ZeroOrMore.__init__(self, *args)
def listify(s, loc, toks):
return [toks]
self.setParseAction(listify)
arg = '[' + CharsNotIn("]") + ']'
arg.setParseAction(argfun)
param = '{' + Optional(CharsNotIn("}")) + '}'
param.setParseAction(paramfun)
texcmd = Word("\\", "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789") + ZeroOrMoreAsList(arg) + ZeroOrMoreAsList(param)
def texcmdfun(s, loc, toks):
if str(toks[0])[1:] == 'input':
filename = toks[2].asList()[0].str + "-py.tex"
print 'Now parsing', filename
return parsefile(filename)
else:
return TexCmd(s, loc, toks)
texcmd.setParseAction(texcmdfun)
legal = "".join([chr(x) for x in set(range(32, 127)) - set("\\")])
document = ZeroOrMore(texcmd | Word(legal)) + Literal(chr(127)).suppress()
def parsefile(filename):
f = open(filename, "rt")
lines = list(f)
def uncomment(s):
if '%' in s:
return s[:s.index('%')] + '\n'
else:
return s
lines = [uncomment(l) for l in lines]
docstr = "".join(lines) + chr(127)
# document.setFailAction(None)
return document.parseString(docstr)
for x in parsefile(sys.argv[1]):
if isinstance(x, TexCmd):
if x.cmd == 'chapter':
print repr(x)