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https://github.com/Xtao-Labs/iShotaBot.git
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102 lines
3.1 KiB
Python
102 lines
3.1 KiB
Python
from typing import List
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class cache:
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def __init__(self, start, end):
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self.start = start
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self.end = end
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def __eq__(self, other):
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if isinstance(other, self.__class__):
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return self.start == other.start and self.end == other.end
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else:
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return False
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def merge(intervals: List[cache]):
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"""合并重复区间
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:param intervals: 待去重区间
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:returns: 去重的区间（根据开始位置逆序）
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"""
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if len(intervals) == 0:
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return []
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intervals = sorted(intervals, key=lambda s: s.start)
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outputs = [intervals[0]]
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for s in intervals:
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last_interval = outputs[-1]
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if last_interval.end < s.start:
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outputs.append(s)
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else:
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last_interval.end = max(last_interval.end, s.end)
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return sorted(outputs, key=lambda s: s.start, reverse=True)
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def compare(origin: str, dest: str, sensitive: int):
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"""标记重复区间
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:param origin: 待查重文本
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:param dest: 返回的文本
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:param sensitive: 敏感长度
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:returns: 重复区间数组（根据开始位置逆序）
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"""
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length = max(len(origin), len(dest)) ** 2
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matrix = [0 for i in range(length)]
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cache_array: List[cache] = []
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def convert(index_y: int, index_x: int):
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return index_y * len(origin) + index_x
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def remove(arr: List[cache], obj: cache):
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return list(filter(lambda s: s != obj, arr))
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def new_cache(end: int, offset: int):
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start = end - offset
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start = 0 if start < 0 else start + 1
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return cache(start, offset + start)
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for index, s in enumerate(origin):
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if dest[0] == s:
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matrix[index] = 1
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for index_x, x in enumerate(dest):
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for index_y, y in enumerate(origin):
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index = convert(index_y, index_x)
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pre_index = convert(index_y - 1, index_x - 1)
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if x == y:
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if index_y == 0:
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matrix[index] = 1
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continue
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matrix[index] = matrix[pre_index] + 1
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if matrix[index] >= sensitive:
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cache_array.append(new_cache(index_y, matrix[index]))
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if matrix[index] > sensitive:
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cache_array = remove(
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cache_array, new_cache(index_y - 1, matrix[pre_index])
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)
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return merge(cache_array)
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def render(s: str, flag: List[cache], tag: str):
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"""给重复区间加tag
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:param s: raw text
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:param flag: repeat area Array
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:param tag: used tag, default em
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:returns: tagged text
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"""
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arr = list(s)
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for i in flag:
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arr.insert(i.end, f"</{tag}>")
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arr.insert(i.start, f"<{tag}>")
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return "".join(arr)
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def diff_text(origin: str, dest: str, sensitive=4, tag="strong"):
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"""对文本重复对比，给重复部分加tag
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:param origin: 待查重文本
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:param dest: 服务器返回的文本
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:param sensitive: 敏感长度
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:param tag: HTML tag, example a, em
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:returns: 做好标记的文本
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"""
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flag = compare(dest, origin, sensitive)
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return render(dest, flag, tag)
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