def insert_quotes(self, deriv, attachment_node, higher):
open_quote_leaf = make_open_quote_leaf(None)
closed_quote_leaf = make_closed_quote_leaf(None)
old_subtree = attachment_node.clone()
if higher == "left":
right_child = Node(attachment_node.cat, 0, 2, None,
old_subtree,
closed_quote_leaf)
new_node = Node(attachment_node.cat, 0, 2, None,
open_quote_leaf,
right_child)
elif higher == "right":
left_child = Node(attachment_node.cat, 0, 2, None,
open_quote_leaf,
old_subtree)
new_node = Node(attachment_node.cat, 0, 2, None,
left_child,
closed_quote_leaf)
prev_parent = attachment_node.parent
was_left_child = (prev_parent is not None) and (prev_parent.lch is attachment_node)
if prev_parent:
if was_left_child:
prev_parent.lch = new_node
else:
prev_parent.rch = new_node
else: # Replace old root
return new_node
return deriv
def insert_quotes(self, deriv, attachment_node, higher):
open_quote_leaf = make_open_quote_leaf(None)
closed_quote_leaf = make_closed_quote_leaf(None)
old_subtree = attachment_node.clone()
if higher == "left":
right_child = Node(attachment_node.cat, 0, 2, None, old_subtree,
closed_quote_leaf)
new_node = Node(attachment_node.cat, 0, 2, None, open_quote_leaf,
right_child)
elif higher == "right":
left_child = Node(attachment_node.cat, 0, 2, None, open_quote_leaf,
old_subtree)
new_node = Node(attachment_node.cat, 0, 2, None, left_child,
closed_quote_leaf)
prev_parent = attachment_node.parent
was_left_child = (prev_parent
is not None) and (prev_parent.lch is attachment_node)
if prev_parent:
if was_left_child:
prev_parent.lch = new_node
else:
prev_parent.rch = new_node
else: # Replace old root
return new_node
return deriv
def insert_quote(self, deriv, tokens, at, quote, quote_type):
'''Performs the actual quote insertion. Returns the root of the newly quoted derivation (which may differ
from the root of the input derivation).'''
if quote == "begin": direction = "forwards"
elif quote == "end": direction = "backwards"
double = (quote_type == "``")
node = get_leaf(deriv, at, direction)
if (at is not None) and node:
if quote == "end": # Process absorbed punctuation
if self.punct_class:
node = self.punct_class.process_punct(deriv, node, at)
if node and is_sublist(smaller=text(node), larger=tokens):
attachment_node = node
while (attachment_node.parent and is_sublist(smaller=text(attachment_node.parent),
larger=tokens)):
attachment_node = attachment_node.parent
prev_parent = attachment_node.parent
was_left_child = (attachment_node.parent) and (attachment_node.parent.lch is attachment_node)
if quote == "begin":
new_node = Node(attachment_node.cat, 0, 2,
parent=None, lch=make_open_quote_leaf(None, double),
rch=attachment_node)
elif quote == "end":
new_node = Node(attachment_node.cat, 0, 2,
parent=None, lch=attachment_node,
rch=make_closed_quote_leaf(None, double))
if prev_parent:
if was_left_child:
prev_parent.lch = new_node
else:
prev_parent.rch = new_node
else:
return new_node # Replace the old root
return deriv