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from typing import List
from xsdata.codegen.container import ClassContainer
from xsdata.codegen.models import Class
from xsdata.codegen.validator import ClassValidator
from xsdata.exceptions import AnalyzerValueError
class ClassAnalyzer:
"""Validate, analyze, sanitize and select the final class list to be
generated."""
@classmethod
def process(cls, container: ClassContainer) -> List[Class]:
"""Run all the processes."""
# Run validation checks for duplicate, invalid and redefined types.
ClassValidator(container).process()
# Run analyzer handlers
container.process()
classes = list(container)
cls.validate_references(classes)
return classes
@classmethod
def class_references(cls, target: Class) -> List:
"""Produce a list of instance references for the given class."""
result = [id(target)]
for attr in target.attrs:
result.append(id(attr))
result.extend(id(attr_type) for attr_type in attr.types)
for extension in target.extensions:
result.append(id(extension))
result.append(id(extension.type))
for inner in target.inner:
result.extend(cls.class_references(inner))
return result
@classmethod
def validate_references(cls, classes: List[Class]):
"""Validate all code gen objects are not cross referenced."""
references = [ref for obj in classes for ref in cls.class_references(obj)]
if len(references) != len(set(references)):
raise AnalyzerValueError("Cross references detected!")
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