52 lines
1.2 KiB
Ruby
52 lines
1.2 KiB
Ruby
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# -*- coding: utf-8 -*- #
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# frozen_string_literal: true
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module Rouge
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module Lexers
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class Docker < RegexLexer
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title "Docker"
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desc "Dockerfile syntax"
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tag 'docker'
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aliases 'dockerfile'
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filenames 'Dockerfile', '*.Dockerfile', '*.docker', 'Dockerfile_*'
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mimetypes 'text/x-dockerfile-config'
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KEYWORDS = %w(
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FROM MAINTAINER CMD LABEL EXPOSE ENV ADD COPY ENTRYPOINT VOLUME USER WORKDIR ARG STOPSIGNAL HEALTHCHECK SHELL
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).join('|')
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start { @shell = Shell.new(@options) }
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state :root do
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rule %r/\s+/, Text
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rule %r/^(ONBUILD)(\s+)(#{KEYWORDS})(.*)/io do
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groups Keyword, Text::Whitespace, Keyword, Str
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end
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rule %r/^(#{KEYWORDS})\b(.*)/io do
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groups Keyword, Str
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end
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rule %r/#.*?$/, Comment
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rule %r/^(ONBUILD\s+)?RUN(\s+)/i do
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token Keyword
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push :run
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@shell.reset!
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end
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rule %r/\w+/, Text
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rule %r/[^\w]+/, Text
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rule %r/./, Text
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end
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state :run do
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rule %r/\n/, Text, :pop!
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rule %r/\\./m, Str::Escape
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rule(/(\\.|[^\n\\])+/) { delegate @shell }
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end
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end
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end
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end
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