def _build(self, mo, element_store, environ):
heading_tag = self.tags[len(mo.group(1))-1]
heading_text = mo.group(2)
slug = _slugify(heading_text, default='heading')
if environ is not None:
headings = environ.setdefault('headings', [])
i = 1
original_slug = slug
while True:
if slug not in headings:
headings.append(slug)
break
slug = '%s_%d' % (original_slug, i)
i += 1
toc = environ.setdefault('toc', [])
toc.append((heading_tag, escape(heading_text), slug))
# The heading itself.
text = creoleparser.core.fragmentize(heading_text,
self.child_elements, element_store, environ)
# The anchor and link to the anchor.
anchor = genshi.builder.tag.span(id=slug)
anchor_link = genshi.builder.tag.a(genshi.core.Markup('¶'),
class_='headerlink', href='#' + slug,
title=escape(_('Permalink to this headline')))
heading = genshi.builder.tag.__getattr__(heading_tag)
return heading([text, anchor, anchor_link], class_='heading')
def get_toc(data):
"""A very rudimentar TOC creator. No nested lists. Simple."""
if len(data) <= 1:
return ''
res = u'<ul class="toc">'
for level, title, anchor in data:
res += u'<li class="toc-%s"><a href="#%s">%s</a></li>' % (level,
anchor, escape(title))
return res + u'</ul>'
