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8946f39e2e
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import cppy.cp_util as util
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from collections import Counter
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class WordFrequencyStateMachine:
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def __init__(self, file_path):
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self.file_path = file_path
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self.content = None
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self.words = None
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self.word_freq = None
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self.state = 'IDLE'
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def transition_to_read_file(self):
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try:
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with open(self.file_path, 'r', encoding='utf-8') as file:
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self.content = file.read()
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self.state = 'WORDS_SPLIT'
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except FileNotFoundError:
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print(f"文件 {self.file_path} 未找到。")
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except Exception as e:
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print(f"读取文件时发生错误: {e}")
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def transition_to_split_words(self):
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if self.content is not None:
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self.words = util.extract_str_words(self.content)
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self.state = 'CALCULATE_FREQ'
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else:
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print("文件内容为空,无法分割单词。")
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def transition_to_calculate_freq(self):
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if self.words is not None:
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self.word_freq = Counter(self.words)
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self.state = 'DONE'
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else:
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print("单词列表为空,无法计算词频。")
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def run(self):
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while self.state != 'DONE':
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if self.state == 'IDLE':
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self.transition_to_read_file()
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elif self.state == 'WORDS_SPLIT':
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self.transition_to_split_words()
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elif self.state == 'CALCULATE_FREQ':
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self.transition_to_calculate_freq()
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else:
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print(f"未知状态: {self.state}")
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break
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return self.word_freq
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# 使用状态机计算词频
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state_machine = WordFrequencyStateMachine( util.testfilepath )
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word_frequencies = state_machine.run()
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# 打印结果
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for word, freq in word_frequencies.most_common(10):
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print(f"{word}: {freq}")
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