mirror of
https://github.com/koloideal/Argenta.git
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61 lines
2.1 KiB
Python
61 lines
2.1 KiB
Python
from ..input_comand.exceptions import IncorrectInputFlagException
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from ..entity import Command
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from ..params.flag.flags_group.entity import FlagsGroup
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from ..params.flag.input_flag.entity import InputFlag
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from typing import Generic, TypeVar
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T = TypeVar('T')
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class InputCommand(Command, Generic[T]):
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def set_input_flags(self, input_flags: FlagsGroup):
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self._input_flags = input_flags
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def get_input_flags(self) -> FlagsGroup:
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return self._input_flags
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@staticmethod
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def parse(raw_command: str) -> 'InputCommand[T]':
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list_of_tokens = raw_command.split()
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command = list_of_tokens[0]
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list_of_tokens.pop(0)
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flags: FlagsGroup = FlagsGroup()
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current_flag_name = None
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current_flag_value = None
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for _ in list_of_tokens:
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if _.startswith('-'):
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flag_prefix_last_symbol_index = _.rfind('-')
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if current_flag_name or len(_) < 2 or len(_[:flag_prefix_last_symbol_index]) > 3:
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raise IncorrectInputFlagException()
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else:
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current_flag_name = _
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else:
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if not current_flag_name:
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raise IncorrectInputFlagException()
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else:
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current_flag_value = _
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if current_flag_name and current_flag_value:
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flag_prefix_last_symbol_index = current_flag_name.rfind('-')
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flag_prefix = current_flag_name[:flag_prefix_last_symbol_index]
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flag_name = current_flag_name[flag_prefix_last_symbol_index:]
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input_flag = InputFlag(flag_name=flag_name,
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flag_prefix=flag_prefix)
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input_flag.set_value(current_flag_value)
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flags.add_flag(input_flag)
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current_flag_name = None
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current_flag_value = None
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if len(flags.get_flags()) == 0:
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return InputCommand(command=command)
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else:
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input_command = InputCommand(command=command)
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input_command.set_input_flags(flags)
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return input_command
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