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require 'tilt/template'
module Tilt
# Nokogiri template implementation. See:
# http://nokogiri.org/
class NokogiriTemplate < Template
DOCUMENT_HEADER = /^<\?xml version=\"1\.0\"\?>\n?/
self.default_mime_type = 'text/xml'
def self.engine_initialized?
defined? ::Nokogiri
end
def initialize_engine
require_template_library 'nokogiri'
end
def prepare; end
def evaluate(scope, locals)
if data.respond_to?(:to_str)
wrapper = proc { yield.sub(DOCUMENT_HEADER, "") } if block_given?
super(scope, locals, &wrapper)
else
::Nokogiri::XML::Builder.new.tap(&data).to_xml
end
end
def precompiled_preamble(locals)
return super if locals.include? :xml
"xml = ::Nokogiri::XML::Builder.new { |xml| }\n#{super}"
end
def precompiled_postamble(locals)
"xml.to_xml"
end
def precompiled_template(locals)
data.to_str
end
end
end
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