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chroma/lexers/docker.go
Alec Thomas a10fd0a23d Switch to github.com/dlclark/regexp2.
This makes translating Pygments lexers much much simpler (and possible).
2017-09-18 11:16:44 +10:00

26 lines
751 B
Go

package lexers
import (
. "github.com/alecthomas/chroma" // 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,
},
Rules{
"root": {
{`^(ONBUILD)(\s+)((?:FROM|MAINTAINER|CMD|EXPOSE|ENV|ADD|ENTRYPOINT|VOLUME|WORKDIR))\b`, ByGroups(NameKeyword, TextWhitespace, Keyword), nil},
{`^((?:FROM|MAINTAINER|CMD|EXPOSE|ENV|ADD|ENTRYPOINT|VOLUME|WORKDIR))\b(.*)`, ByGroups(Keyword, LiteralString), nil},
{`#.*`, Comment, nil},
{`RUN`, Keyword, nil},
{`(.*\\\n)*.+`, Using(Bash, nil), nil},
},
},
))