forked from varia/varia.website
96 lines
4.1 KiB
Python
96 lines
4.1 KiB
Python
|
#!/usr/bin/env python
|
||
|
|
# -*- coding: utf-8 -*- #
|
||
|
|
|
||
|
|
from pelican import signals
|
||
|
|
import html5lib
|
||
|
|
import six
|
||
|
|
|
||
|
|
RAW_FOOTNOTE_CONTAINERS = ["code"]
|
||
|
|
|
||
|
|
|
||
|
|
def getText(node, recursive=False):
|
||
|
|
"""Get all the text associated with this node.
|
||
|
|
With recursive == True, all text from child nodes is retrieved."""
|
||
|
|
L = [u'']
|
||
|
|
for n in node.childNodes:
|
||
|
|
if n.nodeType in (node.TEXT_NODE, node.CDATA_SECTION_NODE):
|
||
|
|
L.append(n.data)
|
||
|
|
else:
|
||
|
|
if not recursive:
|
||
|
|
return None
|
||
|
|
L.append(getText(n))
|
||
|
|
return u''.join(L)
|
||
|
|
|
||
|
|
|
||
|
|
def sequence_gen(genlist):
|
||
|
|
for gen in genlist:
|
||
|
|
for elem in gen:
|
||
|
|
yield elem
|
||
|
|
|
||
|
|
|
||
|
|
def parse_for_footnotes(article_or_page_generator):
|
||
|
|
all_content = [
|
||
|
|
getattr(article_or_page_generator, attr, None) \
|
||
|
|
for attr in [u'articles', u'drafts', u'pages']]
|
||
|
|
all_content = [x for x in all_content if x is not None]
|
||
|
|
for article in sequence_gen(all_content):
|
||
|
|
if u"[ref]" in article._content and u"[/ref]" in article._content:
|
||
|
|
content = article._content.replace(u"[ref]", u"<x-simple-footnote>").replace(u"[/ref]",
|
||
|
|
u"</x-simple-footnote>")
|
||
|
|
parser = html5lib.HTMLParser(tree=html5lib.getTreeBuilder(u"dom"))
|
||
|
|
dom = parser.parse(content)
|
||
|
|
endnotes = []
|
||
|
|
count = 0
|
||
|
|
for footnote in dom.getElementsByTagName(u"x-simple-footnote"):
|
||
|
|
pn = footnote
|
||
|
|
leavealone = False
|
||
|
|
while pn:
|
||
|
|
if pn.nodeName in RAW_FOOTNOTE_CONTAINERS:
|
||
|
|
leavealone = True
|
||
|
|
break
|
||
|
|
pn = pn.parentNode
|
||
|
|
if leavealone:
|
||
|
|
continue
|
||
|
|
count += 1
|
||
|
|
fnid = u"sf-%s-%s" % (article.slug, count)
|
||
|
|
fnbackid = u"%s-back" % (fnid,)
|
||
|
|
endnotes.append((footnote, fnid, fnbackid))
|
||
|
|
number = dom.createElement(u"sup")
|
||
|
|
number.setAttribute(u"id", fnbackid)
|
||
|
|
numbera = dom.createElement(u"a")
|
||
|
|
numbera.setAttribute(u"href", u"#%s" % fnid)
|
||
|
|
numbera.setAttribute(u"class", u"simple-footnote")
|
||
|
|
numbera.appendChild(dom.createTextNode(six.text_type(count)))
|
||
|
|
txt = getText(footnote, recursive=True).replace(u"\n", u" ")
|
||
|
|
numbera.setAttribute(u"title", txt)
|
||
|
|
number.appendChild(numbera)
|
||
|
|
footnote.parentNode.insertBefore(number, footnote)
|
||
|
|
if endnotes:
|
||
|
|
ol = dom.createElement(u"ol")
|
||
|
|
ol.setAttribute(u"class", u"simple-footnotes")
|
||
|
|
for e, fnid, fnbackid in endnotes:
|
||
|
|
li = dom.createElement(u"li")
|
||
|
|
li.setAttribute(u"id", fnid)
|
||
|
|
while e.firstChild:
|
||
|
|
li.appendChild(e.firstChild)
|
||
|
|
backlink = dom.createElement(u"a")
|
||
|
|
backlink.setAttribute(u"href", u"#%s" % fnbackid)
|
||
|
|
backlink.setAttribute(u"class", u"simple-footnote-back")
|
||
|
|
backlink.appendChild(dom.createTextNode(u'\u21a9'))
|
||
|
|
li.appendChild(dom.createTextNode(u" "))
|
||
|
|
li.appendChild(backlink)
|
||
|
|
ol.appendChild(li)
|
||
|
|
e.parentNode.removeChild(e)
|
||
|
|
dom.getElementsByTagName(u"body")[0].appendChild(ol)
|
||
|
|
s = html5lib.serializer.HTMLSerializer(omit_optional_tags=False, quote_attr_values='legacy')
|
||
|
|
output_generator = s.serialize(
|
||
|
|
html5lib.treewalkers.getTreeWalker(u"dom")(dom.getElementsByTagName(u"body")[0]))
|
||
|
|
article._content = u"".join(list(output_generator)).replace(
|
||
|
|
u"<x-simple-footnote>", u"[ref]").replace(u"</x-simple-footnote>", u"[/ref]").replace(
|
||
|
|
u"<body>", u"").replace(u"</body>", u"")
|
||
|
|
|
||
|
|
|
||
|
|
def register():
|
||
|
|
signals.article_generator_finalized.connect(parse_for_footnotes)
|
||
|
|
signals.page_generator_finalized.connect(parse_for_footnotes)
|