lib/reverse_adoc/converters/em.rb
module ReverseAdoc
module Converters
class Em < Base
def to_coradoc(node, state = {})
content = treat_children_coradoc(node,
state.merge(already_italic: true))
if Coradoc::Generator.gen_adoc(content).strip.empty?
return ""
end
if node_has_ancestor?(node, ["em", "i", "cite"])
return content
end
node.text =~ /^(\s+)/
leading_whitespace = $1
has_leading_whitespace = !leading_whitespace.nil?
if has_leading_whitespace
first_text = node.at_xpath("./text()[1]")
first_text.replace(first_text.text.lstrip)
leading_whitespace = " "
end
node.text =~ /(\s+)$/
trailing_whitespace = $1
has_trailing_whitespace = !trailing_whitespace.nil?
if has_trailing_whitespace
last_text = node.at_xpath("./text()[last()]")
last_text.replace(last_text.text.rstrip)
trailing_whitespace = " "
end
u_before = unconstrained_before?(node)
u_after = unconstrained_after?(node)
u = !((!u_before || has_leading_whitespace) && (!u_after || has_trailing_whitespace))
e = Coradoc::Element::Inline::Italic.new(
Coradoc::Element::TextElement.new(content), u
)
[leading_whitespace, e, trailing_whitespace]
end
def convert(node, state = {})
Coradoc::Generator.gen_adoc(to_coradoc(node, state))
end
end
register :em, Em.new
register :i, Em.new
register :cite, Em.new
end
end