新增了参考文献处理模块,支持按照 GB 7714 《文后参考文献著录规则》顺序编码制 解析和格式化参考文献。同时修复了段落替换过程中自动编号丢失的问题。 - 新增 transit/references.py 模块,提供参考文献解析和格式化功能 - 在 body.py 的 replace_placeholder 函数中实现段落编号属性的正确继承 - 修改 transit/__init__.py 导入新的参考文献处理函数 - 更新 transit/config.py 添加参考文献样式配置项 - 修改 transit/renderer.py 集成参考文献处理流程
141 lines
4.7 KiB
Python
141 lines
4.7 KiB
Python
"""
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Markdown 正文 → Word 段落转换。
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将正文 Markdown 按标题层级拆分为带样式的段落序列,
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再注入到渲染后 docx 文档的占位符位置。
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"""
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import re
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from copy import deepcopy
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from docx import Document
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from docx.oxml.ns import qn
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_PAT_HEADING = re.compile(r"^(#{1,6})\s+(.+)$", re.MULTILINE)
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def body_to_paragraphs(
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md_text: str,
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*,
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level_offset: int = 0,
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body_style: str = "Body Text Indent",
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) -> list[dict]:
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"""将 Markdown 正文按标题和段落拆分为结构化列表。
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Parameters
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----------
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md_text : str
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正文 Markdown。
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level_offset : int
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标题级别偏移量(正文从 ``##`` 开始时传 ``-1``,使其输出为 ``Heading 1``)。
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body_style : str
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正文段落的 Word 样式名。
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"""
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paragraphs: list[dict] = []
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last_end = 0
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for m in _PAT_HEADING.finditer(md_text):
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# 标题前的普通文本
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if m.start() > last_end:
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pre = md_text[last_end : m.start()].strip()
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if pre:
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for block in re.split(r"\n\s*\n", pre):
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block = block.strip()
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if block:
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paragraphs.append(
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{"text": block, "level": 0, "style": body_style}
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)
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level = len(m.group(1)) + level_offset
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heading_text = m.group(2).strip()
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paragraphs.append(
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{"text": heading_text, "level": level, "style": f"Heading {level}"}
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)
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last_end = m.end()
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# 最后一段 / 尾部文本
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tail = md_text[last_end:].strip()
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if tail:
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for block in re.split(r"\n\s*\n", tail):
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block = block.strip()
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if block:
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paragraphs.append(
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{"text": block, "level": 0, "style": body_style}
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)
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return paragraphs
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def replace_placeholder(
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doc: Document,
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placeholder: str,
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paragraphs: list[dict],
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*,
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default_body_style: str | None = None,
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):
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"""在 *doc* 中找到包含 *placeholder* 的段落,替换为 *paragraphs* 列表。
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正文段落的样式优先级:
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1. ``style`` 字段指定的样式名(来自 ``body_to_paragraphs`` 的 ``body_style``)
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2. 占位符段落自身的样式(模板中已设好的样式)
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3. ``Normal``
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"""
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placeholder_found = False
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for para in doc.paragraphs:
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if placeholder in para.text:
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placeholder_found = True
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placeholder_style = para.style.name if para.style else None
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parent = para._element.getparent()
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idx = list(parent).index(para._element)
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# 保存原段落的编号属性(numPr),用于继承自动编号
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orig_pPr = para._element.find(qn("w:pPr"))
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numPr = orig_pPr.find(qn("w:numPr")) if orig_pPr is not None else None
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parent.remove(para._element)
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for pd_data in reversed(paragraphs):
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new_p = doc.add_paragraph(pd_data["text"])
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style_name = pd_data["style"]
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# 尝试应用样式,逐步降级
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applied = _apply_style(new_p, doc, style_name)
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if not applied and style_name.startswith("Heading"):
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new_p.style = doc.styles["Normal"]
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elif not applied:
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if placeholder_style:
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_apply_style(new_p, doc, placeholder_style)
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if new_p.style.name == "Normal" and placeholder_style:
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new_p.style = doc.styles[placeholder_style]
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# 继承原段落的编号属性(自动编号)
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if numPr is not None:
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new_pPr = new_p._element.find(qn("w:pPr"))
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if new_pPr is None:
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new_pPr = new_p._element.makeelement(qn("w:pPr"), {})
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new_p._element.insert(0, new_pPr)
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existing = new_pPr.find(qn("w:numPr"))
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if existing is not None:
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new_pPr.remove(existing)
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new_pPr.append(deepcopy(numPr))
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parent.insert(idx, new_p._element)
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break
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if not placeholder_found:
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print(f"警告:未找到占位符 '{placeholder}',正文段落未注入。")
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def _apply_style(paragraph, doc, style_name: str) -> bool:
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"""尝试给段落应用样式,成功返回 ``True``。"""
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try:
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paragraph.style = doc.styles[style_name]
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return True
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except KeyError:
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pass
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# 大小写不敏感匹配
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for s in doc.styles:
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if s.name.lower() == style_name.lower():
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paragraph.style = s
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return True
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return False
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