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require_relative 'escaped'
template = File.read('input.haml')
haml_engine = Haml::Engine.new(template)
output = haml_engine.render
puts output
require 'haml'
module SafeMarkdown
include Haml::Filters::Markdown
include Haml::Filters::Base
#this bit copied from Haml::Filters::Markdown
lazy_require 'rdiscount', 'peg_markdown', 'maruku', 'bluecloth'
# This bit copied from Haml::Filters::Base with only the addition
# of the second parameter to the call to unescape_interpolation added
def compile(compiler, text)
resolve_lazy_requires
filter = self
compiler.instance_eval do
if contains_interpolation?(text)
return if options[:suppress_eval]
text = unescape_interpolation(text, true).gsub(/(\\+)n/) do |s|
escapes = $1.size
next s if escapes % 2 == 0
("\\" * (escapes - 1)) + "\n"
end
# We need to add a newline at the beginning to get the
# filter lines to line up (since the Haml filter contains
# a line that doesn't show up in the source, namely the
# filter name). Then we need to escape the trailing
# newline so that the whole filter block doesn't take up
# too many.
text = "\n" + text.sub(/\n"\Z/, "\\n\"")
push_script <<RUBY.rstrip, :escape_html => false
find_and_preserve(#{filter.inspect}.render_with_options(#{text}, _hamlout.options))
RUBY
return
end
rendered = Haml::Helpers::find_and_preserve(filter.render_with_options(text, compiler.options), compiler.options[:preserve])
if !options[:ugly]
push_text(rendered.rstrip.gsub("\n", "\n#{' ' * @output_tabs}"))
else
push_text(rendered.rstrip)
end
end
end
end
:safemarkdown
Hello #{"<a href=\"evil\">My name</a>"}.
<strong>But this remains</strong>.
<p>Hello &lt;a href=&quot;evil&quot;&gt;My name&lt;/a&gt;.
<strong>But this remains</strong>.</p>
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