55 lines
1.3 KiB
Ruby
55 lines
1.3 KiB
Ruby
module ReverseMarkdown
|
|
module Converters
|
|
class CustomText < Base
|
|
def convert(node, _options = {})
|
|
if node.text.strip.empty?
|
|
treat_empty(node)
|
|
else
|
|
treat_text(node)
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def treat_empty(node)
|
|
parent = node.parent.name.to_sym
|
|
if %i[ol ul].include?(parent) # Otherwise the indentation is broken
|
|
""
|
|
elsif node.text == " " # Regular whitespace text node
|
|
" "
|
|
else
|
|
""
|
|
end
|
|
end
|
|
|
|
def treat_text(node)
|
|
text = node.text
|
|
text = preserve_nbsp(text)
|
|
text = remove_border_newlines(text)
|
|
text = remove_inner_newlines(text)
|
|
text = escape_keychars(text)
|
|
preserve_keychars_within_backticks(text)
|
|
end
|
|
|
|
def preserve_nbsp(text)
|
|
text.gsub(/\u00A0/, " ")
|
|
end
|
|
|
|
def remove_border_newlines(text)
|
|
text.gsub(/\A\n+/, "").gsub(/\n+\z/, "")
|
|
end
|
|
|
|
def remove_inner_newlines(text)
|
|
text.tr("\r\n\t", " ").squeeze(" ")
|
|
end
|
|
|
|
def preserve_keychars_within_backticks(text)
|
|
text.gsub(/`.*?`/) do |match|
|
|
match.gsub('\_', "_").gsub('\*', "*")
|
|
end
|
|
end
|
|
end
|
|
|
|
register :text, CustomText.new
|
|
end
|
|
end
|