azalea/codegen/lib/mappings.py
2022-05-24 20:28:08 -05:00

60 lines
2.5 KiB
Python

class Mappings:
__slots__ = ('classes', 'fields', 'methods')
def __init__(self, classes, fields, methods):
self.classes = classes
self.fields = fields
self.methods = methods
@staticmethod
def parse(mappings_txt):
classes = {}
fields = {}
methods = {}
current_obfuscated_class_name = None
for line in mappings_txt.splitlines():
if line.startswith('#') or line == '':
continue
if line.startswith(' '):
# if a line starts with 4 spaces, that means it's a method or a field
if '(' in line:
# if it has an opening parenthesis, it's a method
real_name_with_parameters_and_line, obfuscated_name = line.strip().split(' -> ')
real_name_with_parameters = real_name_with_parameters_and_line.split(
':')[-1]
real_name = real_name_with_parameters.split('(')[0]
parameters = real_name_with_parameters.split('(')[1]
if current_obfuscated_class_name not in methods:
methods[current_obfuscated_class_name] = {}
methods[current_obfuscated_class_name][
f'{obfuscated_name}({parameters})'] = real_name
else:
# otherwise, it's a field
real_name_with_type, obfuscated_name = line.strip().split(' -> ')
real_name = real_name_with_type.split(' ')[1]
if current_obfuscated_class_name not in fields:
fields[current_obfuscated_class_name] = {}
fields[current_obfuscated_class_name][obfuscated_name] = real_name
else:
# otherwise it's a class
real_name, obfuscated_name = line.strip(':').split(' -> ')
current_obfuscated_class_name = obfuscated_name
classes[obfuscated_name] = real_name
return Mappings(classes, fields, methods)
def get_field(self, obfuscated_class_name, obfuscated_field_name):
return self.fields.get(obfuscated_class_name, {}).get(obfuscated_field_name)
def get_class(self, obfuscated_class_name):
return self.classes[obfuscated_class_name]
def get_method(self, obfuscated_class_name, obfuscated_method_name, obfuscated_signature):
return self.methods[obfuscated_class_name][f'{obfuscated_method_name}({obfuscated_signature})']