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gitea/vendor/github.com/alecthomas/chroma/lexers/a/abnf.go

42 lines
1.2 KiB

package a
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Abnf lexer.
var Abnf = internal.Register(MustNewLazyLexer(
&Config{
Name: "ABNF",
Aliases: []string{"abnf"},
Filenames: []string{"*.abnf"},
MimeTypes: []string{"text/x-abnf"},
},
abnfRules,
))
func abnfRules() Rules {
return Rules{
"root": {
{`;.*$`, CommentSingle, nil},
{`(%[si])?"[^"]*"`, Literal, nil},
{`%b[01]+\-[01]+\b`, Literal, nil},
{`%b[01]+(\.[01]+)*\b`, Literal, nil},
{`%d[0-9]+\-[0-9]+\b`, Literal, nil},
{`%d[0-9]+(\.[0-9]+)*\b`, Literal, nil},
{`%x[0-9a-fA-F]+\-[0-9a-fA-F]+\b`, Literal, nil},
{`%x[0-9a-fA-F]+(\.[0-9a-fA-F]+)*\b`, Literal, nil},
{`\b[0-9]+\*[0-9]+`, Operator, nil},
{`\b[0-9]+\*`, Operator, nil},
{`\b[0-9]+`, Operator, nil},
{`\*`, Operator, nil},
{Words(``, `\b`, `ALPHA`, `BIT`, `CHAR`, `CR`, `CRLF`, `CTL`, `DIGIT`, `DQUOTE`, `HEXDIG`, `HTAB`, `LF`, `LWSP`, `OCTET`, `SP`, `VCHAR`, `WSP`), Keyword, nil},
{`[a-zA-Z][a-zA-Z0-9-]+\b`, NameClass, nil},
{`(=/|=|/)`, Operator, nil},
{`[\[\]()]`, Punctuation, nil},
{`\s+`, Text, nil},
{`.`, Text, nil},
},
}
}