Error when using multiple segments with -name->

Previously, PFERD just silently never matched the -name-> arrow. Now, it errors
when loading the config file.
This commit is contained in:
Joscha 2021-07-01 11:14:50 +02:00
parent 80eeb8fe97
commit 9ffd603357

View File

@ -41,9 +41,11 @@ TransformResult = Optional[Union[Transformed, Ignored]]
@dataclass
class Rule:
left: str
left_index: int
name: str
head: ArrowHead
right: RightSide
right_index: int
def right_result(self, path: PurePath) -> Union[str, Transformed, Ignored]:
if isinstance(self.right, str):
@ -345,6 +347,7 @@ def parse_eol(line: Line) -> None:
def parse_rule(line: Line) -> Rule:
parse_zero_or_more_spaces(line)
left_index = line.index
left = parse_left(line)
parse_one_or_more_spaces(line)
@ -354,19 +357,19 @@ def parse_rule(line: Line) -> Rule:
line.expect("-")
head = parse_arrow_head(line)
index = line.index
right_index = line.index
right: RightSide
try:
parse_zero_or_more_spaces(line)
parse_eol(line)
right = Empty()
except RuleParseError:
line.index = index
line.index = right_index
parse_one_or_more_spaces(line)
right = parse_right(line)
parse_eol(line)
return Rule(left, name, head, right)
return Rule(left, left_index, name, head, right, right_index)
def parse_transformation(line: Line) -> Transformation:
@ -377,6 +380,9 @@ def parse_transformation(line: Line) -> Transformation:
elif rule.name == "exact":
return ExactTf(rule)
elif rule.name == "name":
if len(PurePath(rule.left).parts) > 1:
line.index = rule.left_index
raise RuleParseError(line, "Expected name, not multiple segments")
return RenamingPartsTf(ExactTf(rule))
elif rule.name == "re":
return RenamingParentsTf(ExactReTf(rule))