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|
package lexers
import (
. "github.com/alecthomas/chroma/v2" // nolint
)
// Docker lexer.
var Docker = Register(MustNewLexer(
&Config{
Name: "Docker",
Aliases: []string{"docker", "dockerfile"},
Filenames: []string{"Dockerfile", "*.docker"},
MimeTypes: []string{"text/x-dockerfile-config"},
CaseInsensitive: true,
},
dockerRules,
))
func dockerRules() Rules {
return Rules{
"root": {
{`#.*`, Comment, nil},
{`(ONBUILD)((?:\s*\\?\s*))`, ByGroups(Keyword, Using("Bash")), nil},
{`(HEALTHCHECK)(((?:\s*\\?\s*)--\w+=\w+(?:\s*\\?\s*))*)`, ByGroups(Keyword, Using("Bash")), nil},
{`(VOLUME|ENTRYPOINT|CMD|SHELL)((?:\s*\\?\s*))(\[.*?\])`, ByGroups(Keyword, Using("Bash"), Using("JSON")), nil},
{`(LABEL|ENV|ARG)((?:(?:\s*\\?\s*)\w+=\w+(?:\s*\\?\s*))*)`, ByGroups(Keyword, Using("Bash")), nil},
{`((?:FROM|MAINTAINER|EXPOSE|WORKDIR|USER|STOPSIGNAL)|VOLUME)\b(.*)`, ByGroups(Keyword, LiteralString), nil},
{`((?:RUN|CMD|ENTRYPOINT|ENV|ARG|LABEL|ADD|COPY))`, Keyword, nil},
{`(.*\\\n)*.+`, Using("Bash"), nil},
},
}
}
|
