def postParse(self, instring, loc, token_list):
"""Create ConfigTree from tokens
:param instring:
:param loc:
:param token_list:
:return:
"""
config_tree = ConfigTree(root=self.root)
for element in token_list:
expanded_tokens = element.tokens if isinstance(element, ConfigInclude) else [element]
for tokens in expanded_tokens:
# key, value1 (optional), ...
key = tokens[0].strip()
operator = '='
if len(tokens) == 3 and tokens[1].strip() in [':', '=', '+=']:
operator = tokens[1].strip()
values = tokens[2:]
elif len(tokens) == 2:
values = tokens[1:]
else:
raise ParseSyntaxException("Unknown tokens {tokens} received".format(tokens=tokens))
# empty string
if len(values) == 0:
config_tree.put(key, '')
else:
value = values[0]
if isinstance(value, list) and operator == "+=":
value = ConfigValues([ConfigSubstitution(key, True, '', False, loc), value], False, loc)
config_tree.put(key, value, False)
elif isinstance(value, unicode) and operator == "+=":
value = ConfigValues([ConfigSubstitution(key, True, '', True, loc), ' ' + value], True, loc)
config_tree.put(key, value, False)
elif isinstance(value, list):
config_tree.put(key, value, False)
else:
existing_value = config_tree.get(key, None)
if isinstance(value, ConfigTree) and not isinstance(existing_value, list):
# Only Tree has to be merged with tree
config_tree.put(key, value, True)
elif isinstance(value, ConfigValues):
conf_value = value
value.parent = config_tree
value.key = key
if isinstance(existing_value, list) or isinstance(existing_value, ConfigTree):
config_tree.put(key, conf_value, True)
else:
config_tree.put(key, conf_value, False)
else:
config_tree.put(key, value, False)
return config_tree
def create_substitution(instring, loc, token):
# remove the ${ and }
match = re.match(SUBSTITUTION_PATTERN, token[0])
variable = match.group('variable')
ws = match.group('ws')
optional = match.group('optional') == '?'
substitution = ConfigSubstitution(variable, optional, ws, instring, loc)
return substitution
def create_substitution(token):
# remove the ${ and }
match = re.match(SUBSTITUTION, token[0])
variable = match.group('variable')
ws = match.group('ws')
substitution = ConfigSubstitution(variable, ws)
substitutions.append(substitution)
return substitution