""" yaml parser """
__license__ = 'GPL-3.0-only'

import yaml
from .types import Variable, Function, Struct
from .header import Header

def read(path: str, hdr: Header):
    with open(path, mode='r', encoding='utf-8') as stream:
        data = yaml.safe_load(stream)

        for item, info in data['variables'].items():
            hdr.variables.append(Variable(item, data=info))

        for item, info in data['functions'].items():
            hdr.functions.append(Function(item, data=info))

        for struct in data['structs']:
            name = struct.pop('name')
            members = []
            for item, info in struct.items():
                match info['type']:
                    case 'fn_ptr':
                        members.append(Function(item, data=info))
                    case _:
                        members.append(Variable(item, data=info))
            hdr.structs.append(Struct(name, members))