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import re |
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from ..util import unikey |
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from ..helpers import parse_link, parse_link_label |
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RUBY_PATTERN = r'\[(?:\w+\(\w+\))+\]' |
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_ruby_re = re.compile(RUBY_PATTERN) |
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def parse_ruby(inline, m, state): |
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text = m.group(0)[1:-2] |
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items = text.split(')') |
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tokens = [] |
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for item in items: |
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rb, rt = item.split('(') |
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tokens.append({ |
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'type': 'ruby', |
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'raw': rb, |
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'attrs': {'rt': rt} |
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}) |
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end_pos = m.end() |
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next_match = _ruby_re.match(state.src, end_pos) |
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if next_match: |
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for tok in tokens: |
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state.append_token(tok) |
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return parse_ruby(inline, next_match, state) |
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if end_pos < len(state.src): |
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link_pos = _parse_ruby_link(inline, state, end_pos, tokens) |
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if link_pos: |
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return link_pos |
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for tok in tokens: |
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state.append_token(tok) |
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return end_pos |
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def _parse_ruby_link(inline, state, pos, tokens): |
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c = state.src[pos] |
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if c == '(': |
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attrs, link_pos = parse_link(state.src, pos + 1) |
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if link_pos: |
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state.append_token({ |
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'type': 'link', |
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'children': tokens, |
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'attrs': attrs, |
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}) |
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return link_pos |
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elif c == '[': |
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label, link_pos = parse_link_label(state.src, pos + 1) |
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if label and link_pos: |
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ref_links = state.env['ref_links'] |
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key = unikey(label) |
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env = ref_links.get(key) |
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if env: |
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attrs = {'url': env['url'], 'title': env.get('title')} |
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state.append_token({ |
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'type': 'link', |
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'children': tokens, |
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'attrs': attrs, |
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}) |
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else: |
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for tok in tokens: |
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state.append_token(tok) |
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state.append_token({ |
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'type': 'text', |
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'raw': '[' + label + ']', |
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}) |
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return link_pos |
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def render_ruby(renderer, text, rt): |
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return '<ruby><rb>' + text + '</rb><rt>' + rt + '</rt></ruby>' |
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def ruby(md): |
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"""A mistune plugin to support ``<ruby>`` tag. The syntax is defined |
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at https://lepture.com/en/2022/markdown-ruby-markup: |
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.. code-block:: text |
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[漢字(ㄏㄢˋㄗˋ)] |
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[漢(ㄏㄢˋ)字(ㄗˋ)] |
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[漢字(ㄏㄢˋㄗˋ)][link] |
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[漢字(ㄏㄢˋㄗˋ)](/url "title") |
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[link]: /url "title" |
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:param md: Markdown instance |
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""" |
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md.inline.register('ruby', RUBY_PATTERN, parse_ruby, before='link') |
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if md.renderer and md.renderer.NAME == 'html': |
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md.renderer.register('ruby', render_ruby) |
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