def magic_parse_function(fld_name, source):
from pyparsing import Keyword, nestedExpr
# define parser
parser = Keyword(fld_name).suppress() + nestedExpr('{', '}')("content")
# search input string for matching keyword and following braced content
matches = parser.searchString(source)
# remove quotation marks
return [[qs for qs in r[0].asList()] for r in matches]
def generate_commands_template_helper(self, sfile, dfile):
open_brac = Optional(White()) + "{" + Optional(White())
close_brac = Optional(White()) + "}" + Optional(White())
actions_format = Keyword('actions') + open_brac + Word(alphas + "_", alphanums+"_")('default_action') \
+ ";" + Regex(r'[^\}\{]*') + close_brac
reads_format = Keyword('reads') + open_brac + Regex(
r'[^\}\{]*') + close_brac
table_format = Keyword('table') + Word(alphas+"_", alphanums+"_")('table_name') + open_brac \
+ Optional(reads_format) + actions_format + \
Optional(reads_format) + Regex(r'[^\}\{]*') + close_brac
sfile_str = sfile.read()
res = table_format.searchString(sfile_str)
for table in res:
dfile.write('table_set_default %s %s\n' %
(table.table_name, table.default_action))
def check_if_case_arg(code):
statement = Keyword('case')
if len(statement.searchString(code)):
return True
else:
return False