def validate(sgrammar, expression = None, inputfile = None, outputformat = None, **kwargs):
"""Read input file contents, creates grammar and transform objects, create connections,
and afterwards reads required input/launch main loop"""
from pydsl.Memory.Loader import load_parser
parser = load_parser(sgrammar, "descent")
if expression:
resulttrees = parser.get_trees(expression, True)
elif inputfile:
with open(inputfile, "rb") as f:
resulttrees = parser.get_trees(f.read(), True)
else:
raise Exception("No input method")
jsonlist = []
for index, posttree in enumerate(resulttrees):
if outputformat == "str":
print("Tree: " + str(index) + "\n")
if outputformat == "str":
if posttree.valid:
print("Result OK")
else:
print("Errors:")
print(print_errors(posttree))
elif outputformat == "json":
jsonlist.append(errors_to_list(posttree))
if outputformat == "json":
import json
print(json.dumps(jsonlist))
return True
def __init__(self, bnf, parser="auto"):
LOG.debug("SymbolGrammarTools.__init__: Begin")
GrammarTools.__init__(self, bnf)
parser = bnf.options.get("parser", parser)
from pydsl.Memory.Loader import load_parser
self.__parser = load_parser(bnf, parser)
def function(inputdic, inputgt, outputgt):
grammarname = inputdic['grammar']
from pydsl.Memory.Loader import load_parser
grammar = load_parser(grammarname)
result = grammar.get_trees(inputdic['string'])
#print(result)
#print(result[0])
result = result[0]
return {"output":tree_to_dot(result)}
def testBasic(self):
from pydsl.Memory.Loader import load_parser
parser = load_parser('Date', 'descent')
self.assertFalse(parser.get_trees("11/11/ab", True)[0].valid)
self.assertTrue(parser.get_trees("11/11/2011", True)[0].valid)