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https://github.com/Vonng/ddia.git
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fix: correct epub toc targets
This commit is contained in:
Alden
parent
900a2550dc
commit
47c360951b
2 changed files with 107 additions and 8 deletions
6
bin/epub
6
bin/epub
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@ -28,7 +28,7 @@ convert_to_epub() {
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pandoc -o "$OUTPUT_BOOK" --metadata-file="$meta_file" \
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--toc-depth=2 \
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--top-level-division=chapter \
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--file-scope=true \
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--split-level=1 \
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--css="$css_file" \
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--webtex \
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--wrap=preserve \
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@ -39,14 +39,14 @@ convert_to_epub() {
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"${TEMP_DIR}"/ch2.md \
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"${TEMP_DIR}"/ch3.md \
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"${TEMP_DIR}"/ch4.md \
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"${TEMP_DIR}"/part-ii.md \
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"${TEMP_DIR}"/ch5.md \
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"${TEMP_DIR}"/part-ii.md \
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"${TEMP_DIR}"/ch6.md \
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"${TEMP_DIR}"/ch7.md \
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"${TEMP_DIR}"/ch8.md \
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"${TEMP_DIR}"/ch9.md \
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"${TEMP_DIR}"/part-iii.md \
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"${TEMP_DIR}"/ch10.md \
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"${TEMP_DIR}"/part-iii.md \
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"${TEMP_DIR}"/ch11.md \
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"${TEMP_DIR}"/ch12.md \
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"${TEMP_DIR}"/ch13.md \
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@ -15,6 +15,15 @@ from pathlib import Path
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FIGURE_SHORTCODE_RE = re.compile(r"\{\{<\s*figure\b(.*?)>\}\}", re.DOTALL)
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ATTR_RE = re.compile(r'([\w-]+)="([^"]*)"')
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ABS_IMAGE_RE = re.compile(r'!\[([^\]]*)\]\(/(?!static/)([^)]+)\)')
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FRONT_MATTER_RE = re.compile(r"\A---\s*\n(.*?)\n---\s*\n?", re.DOTALL)
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TITLE_RE = re.compile(r'^title:\s*(?:"([^"]*)"|\'([^\']*)\'|(.+?))\s*$', re.MULTILINE)
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LINK_HEADING_RE = re.compile(r"^(#{2,6})\s+(\[[^\]]+\]\([^)]+\))\s*$", re.MULTILINE)
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HEADER_ID_RE = re.compile(r"\{#([A-Za-z0-9_:-]+)\}")
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RAW_ID_RE = re.compile(r'(<a\s+[^>]*\bid=")([^"]+)(")', re.IGNORECASE)
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RAW_HREF_RE = re.compile(r'(<a\s+[^>]*\bhref=")(/[^"#?)]*)(#[^"]*)?(")', re.IGNORECASE)
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MD_HREF_RE = re.compile(r"(?<!!)(\[[^\]]+\]\()(/[^)#?]+)(#[^)]+)?(\))")
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LOCAL_MD_HREF_RE = re.compile(r"(?<!!)(\[[^\]]+\]\()(#[A-Za-z0-9_:-]+)(\))")
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FOOTNOTE_RE = re.compile(r"\[\^([^\]\s]+)\]")
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def _escape_alt_text(text):
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@ -22,16 +31,93 @@ def _escape_alt_text(text):
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return text.replace("]", r"\]")
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def convert_markdown(text):
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def _slug_for_path(path):
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stem = Path(path).stem
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return "index" if stem == "_index" else stem
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def _extract_front_matter(text):
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match = FRONT_MATTER_RE.match(text)
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if not match:
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return {}, text
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raw_meta = match.group(1)
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title_match = TITLE_RE.search(raw_meta)
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title = None
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if title_match:
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title = next(group for group in title_match.groups() if group is not None).strip()
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return {"title": title}, text[match.end():]
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def _page_anchor(slug, anchor):
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return anchor if anchor == slug or anchor.startswith(f"{slug}__") else f"{slug}__{anchor}"
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def _rewrite_internal_href(slug, path, fragment, known_pages):
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target = path.strip("/")
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if target == "":
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target_slug = "index"
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else:
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target_slug = target.split("/", 1)[0]
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if target_slug not in known_pages:
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return None
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if fragment:
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return f"#{_page_anchor(target_slug, fragment[1:])}"
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return f"#{target_slug}"
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def _rewrite_links(text, slug, known_pages):
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def replace_md_href(match):
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replacement = _rewrite_internal_href(slug, match.group(2), match.group(3), known_pages)
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if replacement is None:
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return match.group(0)
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return f"{match.group(1)}{replacement}{match.group(4)}"
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def replace_raw_href(match):
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replacement = _rewrite_internal_href(slug, match.group(2), match.group(3), known_pages)
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if replacement is None:
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return match.group(0)
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return f"{match.group(1)}{replacement}{match.group(4)}"
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def replace_local_href(match):
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anchor = match.group(2)[1:]
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if anchor == slug or anchor.startswith(f"{slug}__"):
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return match.group(0)
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return f"{match.group(1)}#{_page_anchor(slug, anchor)}{match.group(3)}"
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text = MD_HREF_RE.sub(replace_md_href, text)
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text = RAW_HREF_RE.sub(replace_raw_href, text)
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text = LOCAL_MD_HREF_RE.sub(replace_local_href, text)
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return text
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def _rewrite_footnotes(text, slug):
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def replace(match):
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label = match.group(1)
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if label.startswith(f"{slug}__"):
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return match.group(0)
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return f"[^{slug}__{label}]"
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return FOOTNOTE_RE.sub(replace, text)
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def convert_markdown(text, slug, known_pages=None):
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"""
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转换 Hugo figure shortcode 和绝对路径图片引用。
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转换 Hugo front matter、figure shortcode 和站内绝对路径引用。
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Args:
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text: Markdown 文本内容
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slug: 当前页面 slug，用于生成 EPUB 内稳定锚点
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Returns:
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转换后的文本
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"""
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known_pages = known_pages or {slug}
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meta, text = _extract_front_matter(text)
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def replace_figure_shortcode(match):
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attrs_text = match.group(1)
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attrs = dict(ATTR_RE.findall(attrs_text))
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@ -54,9 +140,21 @@ def convert_markdown(text):
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# 把 Markdown 里的绝对路径图片  转为 static/map/ch01.png
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text = ABS_IMAGE_RE.sub(r'', text)
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# 网站目录页里用二级标题承载跳转链接；EPUB 目录应指向真实章节页。
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text = LINK_HEADING_RE.sub(r"**\2**", text)
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text = HEADER_ID_RE.sub(lambda m: "{#" + _page_anchor(slug, m.group(1)) + "}", text)
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text = RAW_ID_RE.sub(lambda m: f"{m.group(1)}{_page_anchor(slug, m.group(2))}{m.group(3)}", text)
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text = _rewrite_links(text, slug, known_pages)
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text = _rewrite_footnotes(text, slug)
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title = meta.get("title")
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if title:
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text = f"# {title} {{#{slug}}}\n\n{text.lstrip()}"
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return text
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def process_file(input_path, output_path):
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def process_file(input_path, output_path, known_pages=None):
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"""
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处理单个 Markdown 文件
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@ -68,7 +166,7 @@ def process_file(input_path, output_path):
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content = f.read()
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# 转换内容
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converted_content = convert_markdown(content)
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converted_content = convert_markdown(content, _slug_for_path(input_path), known_pages)
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# 写入输出文件
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os.makedirs(os.path.dirname(output_path), exist_ok=True)
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@ -97,10 +195,11 @@ def main():
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# 获取所有 .md 文件
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md_files = sorted(input_dir.glob('*.md'))
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known_pages = {_slug_for_path(path) for path in md_files}
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for md_file in md_files:
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output_file = os.path.join(output_dir, md_file.name)
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process_file(str(md_file), output_file)
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process_file(str(md_file), output_file, known_pages)
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print(f"\nTotal processed: {len(md_files)} files")
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else:
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