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email.rb
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email.rb
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module Jekyll
class EmailTag < Liquid::Tag
MAIL_TO = 'mailto:'
STYLE = 'unicode-bidi: bidi-override; direction: rtl;'
def initialize(tag_name, text, tokens)
super
@email = text.strip
end
def render(context)
# We can't encode just once. Reversal of html entities will
# not work as expected.
reversed = encode(@email.each_char.to_a.reverse.join)
obfuscated = encode(@email)
"<script type=\"text/javascript\">" +
" document.write('<a style=\"#{STYLE}\" href=\"#{MAIL_TO}#{obfuscated}\">#{reversed}</a>');" +
"</script>"
end
private
def encode(str)
str = str.gsub('@', '@')
str = str.gsub('.', '.')
end
end
end
Liquid::Template.register_tag('email', Jekyll::EmailTag)