def parse_string(self, string):
'''Populate a new object from a string.
Parsing is hard, so we're going to call out to the pyparsing
library here. I hope you installed it!
'''
from pyparsing import Suppress, Regex, quotedString, restOfLine, Keyword, nestedExpr, Group, OneOrMore, Word, Literal, alphanums, removeQuotes, replaceWith
gr_eq = Literal('=')
gr_stripped_string = quotedString.copy().setParseAction(removeQuotes)
gr_opt_quoted_string = gr_stripped_string | restOfLine
gr_name = Keyword('name', caseless=True) + gr_eq + gr_opt_quoted_string
gr_name.setParseAction(lambda x, y=self: y._set_name(x[2]))
gr_yn = Keyword('yes', caseless=True).setParseAction(
replaceWith('1')) | Keyword('no', caseless=True).setParseAction(
replaceWith('0'))
gr_phrase = Group(
OneOrMore(gr_stripped_string | Word(alphanums)) + gr_eq +
gr_opt_quoted_string)
def np(words, fn=gr_opt_quoted_string, action=print):
p = Keyword(words[0], caseless=True)
for w in words[1:]:
p = p | Keyword(w, caseless=True)
p = p + gr_eq + fn
p.setParseAction(action)
return p
gr_ifsc = np(PList('Ignore File Set Changes'),
gr_yn,
action=self._parse_setter(IGNORECHANGES))
gr_evss = np(PList('Enable VSS'),
gr_yn,
action=self._parse_setter(VSSENABLED))
gr_i_option = Group(
Keyword(OPTIONS, caseless=True) +
nestedExpr('{', '}', Regex('[^\}]+', re.MULTILINE)))
gr_e_option = gr_i_option.copy()
gr_i_file = gr_phrase.copy()
gr_e_file = gr_phrase.copy()
gr_inc = Keyword('include', caseless=True) + nestedExpr(
'{', '}', OneOrMore(gr_i_option | gr_i_file))
gr_inc.addParseAction(self._parse_add_entry)
gr_exc = Keyword('exclude', caseless=True) + nestedExpr(
'{', '}', OneOrMore(gr_e_option | gr_e_file))
gr_exc.addParseAction(self._parse_add_entry)
gr_res = OneOrMore(gr_name | gr_inc | gr_exc | gr_ifsc | gr_evss)
result = gr_res.parseString(string, parseAll=True)
return 'Fileset: ' + self[NAME]
def parse_string(self, string):
'''Populate a new object from a string.
Parsing is hard, so we're going to call out to the pyparsing
library here. I hope you installed it!
'''
from pyparsing import Suppress, Regex, quotedString, restOfLine, Keyword, nestedExpr, Group, OneOrMore, Word, Literal, alphanums, removeQuotes, replaceWith
gr_eq = Literal('=')
gr_stripped_string = quotedString.copy().setParseAction( removeQuotes )
gr_opt_quoted_string = gr_stripped_string | restOfLine
gr_name = Keyword('name', caseless=True) + gr_eq + gr_opt_quoted_string
gr_name.setParseAction(lambda x, y=self: y._set_name(x[2]))
gr_yn = Keyword('yes', caseless=True).setParseAction(replaceWith('1')) | Keyword('no', caseless=True).setParseAction(replaceWith('0'))
gr_phrase = Group(OneOrMore(gr_stripped_string | Word(alphanums)) + gr_eq + gr_opt_quoted_string)
def np(words, fn = gr_opt_quoted_string, action=print):
p = Keyword(words[0], caseless=True)
for w in words[1:]:
p = p | Keyword(w, caseless=True)
p = p + gr_eq + fn
p.setParseAction(action)
return p
gr_ifsc = np(PList('Ignore File Set Changes'), gr_yn, action=self._parse_setter(IGNORECHANGES))
gr_evss = np(PList('Enable VSS'), gr_yn, action=self._parse_setter(VSSENABLED))
gr_i_option = Group(Keyword(OPTIONS, caseless=True) + nestedExpr('{','}', Regex('[^\}]+', re.MULTILINE)))
gr_e_option = gr_i_option.copy()
gr_i_file = gr_phrase.copy()
gr_e_file = gr_phrase.copy()
gr_inc = Keyword('include', caseless=True) + nestedExpr('{','}', OneOrMore(gr_i_option | gr_i_file))
gr_inc.addParseAction(self._parse_add_entry)
gr_exc = Keyword('exclude', caseless=True) + nestedExpr('{','}', OneOrMore(gr_e_option | gr_e_file))
gr_exc.addParseAction(self._parse_add_entry)
gr_res = OneOrMore(gr_name | gr_inc | gr_exc | gr_ifsc | gr_evss)
result = gr_res.parseString(string, parseAll=True)
return 'Fileset: ' + self[NAME]
tok = tok[0].asList()
return (int(tok[0]), int(tok[1]))
prime_entry = Word(nums).addParseAction(lambda tok: (int(tok[0]), 1)) ^ \
Group(Word(nums) + Suppress(":") + integer).addParseAction(parse_numbered)
prime_list = Group(delimitedList(
prime_entry, delim=",")).addParseAction(lambda tok: tok.asList())
param_node = (Literal("P{").addParseAction(lambda tok: "P") + prime_list +
Suppress("}")).addParseAction(lambda toks: (toks[0], toks[1]))
lambda_node = Literal("L").addParseAction(lambda tok: ("L", ))
primeable_node = sync_node ^ transition_node ^ call_node ^ compressed_node
prime_token = Group(primeable_node + ZeroOrMore(Literal("'")).addParseAction(
lambda toks: len(toks))).addParseAction(lambda toks: tuple(*toks))
node_token = prime_token ^ param_node ^ lambda_node
node_choice = Forward()
transitive = Group(
Suppress("(") + delimitedList(Group(OneOrMore(node_choice)), delim="|") +
Suppress(")"))
node_choice <<= (transitive ^ node_token)
plain_string = node_token + ZeroOrMore(node_choice)
rec_tree = StringStart() + (
plain_string
^ transitive.copy().addParseAction(lambda t: t[0])) + StringEnd()
