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35 lines
1.2 KiB
35 lines
1.2 KiB
package d
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import (
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. "github.com/alecthomas/chroma" // nolint
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"github.com/alecthomas/chroma/lexers/b"
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"github.com/alecthomas/chroma/lexers/internal"
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"github.com/alecthomas/chroma/lexers/j"
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)
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// Docker lexer.
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var Docker = internal.Register(MustNewLazyLexer(
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&Config{
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Name: "Docker",
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Aliases: []string{"docker", "dockerfile"},
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Filenames: []string{"Dockerfile", "*.docker"},
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MimeTypes: []string{"text/x-dockerfile-config"},
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CaseInsensitive: true,
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},
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dockerRules,
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))
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func dockerRules() Rules {
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return Rules{
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"root": {
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{`#.*`, Comment, nil},
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{`(ONBUILD)((?:\s*\\?\s*))`, ByGroups(Keyword, Using(b.Bash)), nil},
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{`(HEALTHCHECK)(((?:\s*\\?\s*)--\w+=\w+(?:\s*\\?\s*))*)`, ByGroups(Keyword, Using(b.Bash)), nil},
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{`(VOLUME|ENTRYPOINT|CMD|SHELL)((?:\s*\\?\s*))(\[.*?\])`, ByGroups(Keyword, Using(b.Bash), Using(j.JSON)), nil},
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{`(LABEL|ENV|ARG)((?:(?:\s*\\?\s*)\w+=\w+(?:\s*\\?\s*))*)`, ByGroups(Keyword, Using(b.Bash)), nil},
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{`((?:FROM|MAINTAINER|EXPOSE|WORKDIR|USER|STOPSIGNAL)|VOLUME)\b(.*)`, ByGroups(Keyword, LiteralString), nil},
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{`((?:RUN|CMD|ENTRYPOINT|ENV|ARG|LABEL|ADD|COPY))`, Keyword, nil},
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{`(.*\\\n)*.+`, Using(b.Bash), nil},
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},
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}
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}
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