def parseAutolink(self, block):
"""Attempt to parse an autolink (URL or email in pointy brackets)."""
m = self.match(reEmailAutolink)
if m:
# email
dest = m[1:-1]
node = Node('link', None)
node.destination = normalize_uri('mailto:' + dest)
node.title = ''
node.append_child(text(dest))
block.append_child(node)
return True
else:
m = self.match(reAutolink)
if m:
# link
dest = m[1:-1]
node = Node('link', None)
node.destination = normalize_uri(dest)
node.title = ''
node.append_child(text(dest))
block.append_child(node)
return True
return False
def parseAutolink(self, block):
"""Attempt to parse an autolink (URL or email in pointy brackets)."""
m = self.match(reEmailAutolink)
if m:
# email
dest = m[1:-1]
node = Node('link', None)
node.destination = normalize_uri('mailto:' + dest)
node.title = ''
node.append_child(text(dest))
block.append_child(node)
return True
else:
m = self.match(reAutolink)
if m:
# link
dest = m[1:-1]
node = Node('link', None)
node.destination = normalize_uri(dest)
node.title = ''
node.append_child(text(dest))
block.append_child(node)
return True
return False
def parseCloseBracket(self, block):
"""
Try to match close bracket against an opening in the delimiter
stack. Add either a link or image, or a plain [ character,
to block's children. If there is a matching delimiter,
remove it from the delimiter stack.
"""
title = None
matched = False
self.pos += 1
startpos = self.pos
# get last [ or ![
opener = self.brackets
if opener is None:
# no matched opener, just return a literal
block.append_child(text(']'))
return True
if not opener.get('active'):
# no matched opener, just return a literal
block.append_child(text(']'))
# take opener off brackets stack
self.removeBracket()
return True
# If we got here, opener is a potential opener
is_image = opener.get('image')
# Check to see if we have a link/image
savepos = self.pos
# Inline link?
if self.peek() == '(':
self.pos += 1
self.spnl()
dest = self.parseLinkDestination()
if dest is not None and self.spnl():
# make sure there's a space before the title
if re.search(reWhitespaceChar, self.subject[self.pos-1]):
title = self.parseLinkTitle()
if self.spnl() and self.peek() == ')':
self.pos += 1
matched = True
else:
self.pos = savepos
if not matched:
# Next, see if there's a link label
beforelabel = self.pos
n = self.parseLinkLabel()
if n > 2:
reflabel = self.subject[beforelabel:beforelabel + n]
elif not opener.get('bracket_after'):
# Empty or missing second label means to use the first
# label as the reference. The reference must not
# contain a bracket. If we know there's a bracket, we
# don't even bother checking it.
reflabel = self.subject[opener.get('index'):startpos]
if n == 0:
# If shortcut reference link, rewind before spaces we skipped.
self.pos = savepos
if reflabel:
# lookup rawlabel in refmap
link = self.refmap.get(normalize_reference(reflabel))
if link:
dest = link['destination']
title = link['title']
matched = True
if matched:
node = Node('image' if is_image else 'link', None)
node.destination = dest
node.title = title or ''
tmp = opener.get('node').nxt
while tmp:
nxt = tmp.nxt
tmp.unlink()
node.append_child(tmp)
tmp = nxt
block.append_child(node)
self.processEmphasis(opener.get('previousDelimiter'))
self.removeBracket()
opener.get('node').unlink()
# We remove this bracket and processEmphasis will remove
# later delimiters.
# Now, for a link, we also deactivate earlier link openers.
# (no links in links)
if not is_image:
opener = self.brackets
while opener is not None:
if not opener.get('image'):
# deactivate this opener
opener['active'] = False
opener = opener.get('previous')
return True
else:
# no match
# remove this opener from stack
self.removeBracket()
self.pos = startpos
block.append_child(text(']'))
return True
def parseCloseBracket(self, block):
"""
Try to match close bracket against an opening in the delimiter
stack. Add either a link or image, or a plain [ character,
to block's children. If there is a matching delimiter,
remove it from the delimiter stack.
"""
title = None
matched = False
self.pos += 1
startpos = self.pos
# get last [ or ![
opener = self.brackets
if opener is None:
# no matched opener, just return a literal
block.append_child(text(']'))
return True
if not opener.get('active'):
# no matched opener, just return a literal
block.append_child(text(']'))
# take opener off brackets stack
self.removeBracket()
return True
# If we got here, opener is a potential opener
is_image = opener.get('image')
# Check to see if we have a link/image
savepos = self.pos
# Inline link?
if self.peek() == '(':
self.pos += 1
self.spnl()
dest = self.parseLinkDestination()
if dest is not None and self.spnl():
# make sure there's a space before the title
if re.search(reWhitespaceChar, self.subject[self.pos - 1]):
title = self.parseLinkTitle()
if self.spnl() and self.peek() == ')':
self.pos += 1
matched = True
else:
self.pos = savepos
if not matched:
# Next, see if there's a link label
beforelabel = self.pos
n = self.parseLinkLabel()
if n > 2:
reflabel = self.subject[beforelabel:beforelabel + n]
elif not opener.get('bracket_after'):
# Empty or missing second label means to use the first
# label as the reference. The reference must not
# contain a bracket. If we know there's a bracket, we
# don't even bother checking it.
reflabel = self.subject[opener.get('index'):startpos]
if n == 0:
# If shortcut reference link, rewind before spaces we skipped.
self.pos = savepos
if reflabel:
# lookup rawlabel in refmap
link = self.refmap.get(normalize_reference(reflabel))
if link:
dest = link['destination']
title = link['title']
matched = True
if matched:
node = Node('image' if is_image else 'link', None)
node.destination = dest
node.title = title or ''
tmp = opener.get('node').nxt
while tmp:
nxt = tmp.nxt
tmp.unlink()
node.append_child(tmp)
tmp = nxt
block.append_child(node)
self.processEmphasis(opener.get('previousDelimiter'))
self.removeBracket()
opener.get('node').unlink()
# We remove this bracket and processEmphasis will remove
# later delimiters.
# Now, for a link, we also deactivate earlier link openers.
# (no links in links)
if not is_image:
opener = self.brackets
while opener is not None:
if not opener.get('image'):
# deactivate this opener
opener['active'] = False
opener = opener.get('previous')
return True
else:
# no match
# remove this opener from stack
self.removeBracket()
self.pos = startpos
block.append_child(text(']'))
return True