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# -*- coding: utf-8 -*- #
# frozen_string_literal: true
module Rouge
module Lexers
class ERB < TemplateLexer
title "ERB"
desc "Embedded ruby template files"
tag 'erb'
aliases 'eruby', 'rhtml'
filenames '*.erb', '*.erubis', '*.rhtml', '*.eruby'
def initialize(opts={})
@ruby_lexer = Ruby.new(opts)
super(opts)
end
start do
parent.reset!
@ruby_lexer.reset!
end
open = /<%%|<%=|<%#|<%-|<%/
close = /%%>|-%>|%>/
state :root do
rule %r/<%#/, Comment, :comment
rule open, Comment::Preproc, :ruby
rule %r/.+?(?=#{open})|.+/m do
delegate parent
end
end
state :comment do
rule close, Comment, :pop!
rule %r/.+?(?=#{close})|.+/m, Comment
end
state :ruby do
rule close, Comment::Preproc, :pop!
rule %r/.+?(?=#{close})|.+/m do
delegate @ruby_lexer
end
end
end
end
end
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