22 lines
639 B
Ruby
22 lines
639 B
Ruby
# -*- coding: utf-8 -*- #
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# frozen_string_literal: true
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module Rouge
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# @abstract
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# A TemplateLexer is one that accepts a :parent option, to specify
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# which language is being templated. The lexer class can specify its
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# own default for the parent lexer, which is otherwise defaulted to
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# HTML.
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class TemplateLexer < RegexLexer
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# the parent lexer - the one being templated.
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def parent
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return @parent if instance_variable_defined? :@parent
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@parent = lexer_option(:parent) || Lexers::HTML.new(@options)
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end
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option :parent, "the parent language (default: html)"
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start { parent.reset! }
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end
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end
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