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# -*- coding: utf-8 -*-
#
# Copyright 2025 The InfiniFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import re
class RAGFlowMarkdownParser:
def __init__(self, chunk_token_num=128):
self.chunk_token_num = int(chunk_token_num)
def extract_tables_and_remainder(self, markdown_text):
# Standard Markdown table
table_pattern = re.compile(
r'''
(?:\n|^)
(?:\|.*?\|.*?\|.*?\n)
(?:\|(?:\s*[:-]+[-| :]*\s*)\|.*?\n)
(?:\|.*?\|.*?\|.*?\n)+
''', re.VERBOSE)
tables = table_pattern.findall(markdown_text)
remainder = table_pattern.sub('', markdown_text)
# Borderless Markdown table
no_border_table_pattern = re.compile(
r'''
(?:\n|^)
(?:\S.*?\|.*?\n)
(?:(?:\s*[:-]+[-| :]*\s*).*?\n)
(?:\S.*?\|.*?\n)+
''', re.VERBOSE)
no_border_tables = no_border_table_pattern.findall(remainder)
tables.extend(no_border_tables)
remainder = no_border_table_pattern.sub('', remainder)
return remainder, tables
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