51 lines
1.6 KiB
Python
51 lines
1.6 KiB
Python
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class Machine:
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_state: int = 0
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_current_digital_substring: str = ''
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_results: list[str] = []
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def consume_character(self, char: str) -> None:
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if self._state == 0:
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if self._is_digit(char):
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self._state = 1
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self._current_digital_substring += char
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elif not self._is_separator(char):
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self.state = 2
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elif self._state == 1:
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if self._is_digit(char):
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self._current_digital_substring += char
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elif not self._is_separator(char):
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self.state = 2
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self._current_digital_substring = ''
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else:
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self.finish()
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elif self._state == 2:
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if self._is_separator(char):
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self.state = 0
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def _is_separator(self, char) -> bool:
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return char == '\n' or char == ' ' or char == '\t'
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def _is_digit(self, char: str) -> bool:
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return char == '1' or char == '2' or char == '3' or char == '4' or char == '5' or char == '6' or char == '7' or char == '8' or char == '9'
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def finish(self) -> None:
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if self._current_digital_substring != '':
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self._results.append(self._current_digital_substring)
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self._current_digital_substring = ''
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self._state = 0
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def get_results(self) -> list[int]:
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return self._results
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text: str = None
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with open('simple.exp', 'r', encoding='utf8') as file:
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text = file.read()
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machine = Machine()
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for c in text:
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machine.consume_character(c)
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machine.finish()
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print(machine.get_results())
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