cheat/vendor/github.com/alecthomas/chroma/lexers/h/hexdump.go
Chris Lane 55b18b4897 Squashed commit of the following:
commit 95479c8ad744db48386a5c78e54ef8da80e9120b
Author: Chris Lane <chris@chris-allen-lane.com>
Date:   Wed Apr 28 12:26:32 2021 -0400

    chore(version): bump version to 4.2.1

commit 6956f51cae
Author: Chris Lane <chris@chris-allen-lane.com>
Date:   Wed Apr 28 12:24:21 2021 -0400

    fix(Makefile): `vendor-update`

    Update the `vendor-update` build target to run `go mod vendor` after
    updating dependencies.

commit 0aca411279
Author: Chris Lane <chris@chris-allen-lane.com>
Date:   Wed Apr 28 12:23:24 2021 -0400

    chore(deps): update dependencies

commit e847956b02
Author: Chris Lane <chris@chris-allen-lane.com>
Date:   Wed Apr 28 08:26:51 2021 -0400

    chore(deps): build updates

    - Upgrade `go` to `1.16.3`

    - Attempt to fix build errors regarding dependencies
2021-04-28 12:35:32 -04:00

71 lines
2.4 KiB
Go

package h
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Hexdump lexer.
var Hexdump = internal.Register(MustNewLazyLexer(
&Config{
Name: "Hexdump",
Aliases: []string{"hexdump"},
Filenames: []string{},
MimeTypes: []string{},
},
hexdumpRules,
))
func hexdumpRules() Rules {
return Rules{
"root": {
{`\n`, Text, nil},
Include("offset"),
{`([0-9A-Ha-h]{2})(\-)([0-9A-Ha-h]{2})`, ByGroups(LiteralNumberHex, Punctuation, LiteralNumberHex), nil},
{`[0-9A-Ha-h]{2}`, LiteralNumberHex, nil},
{`(\s{2,3})(\>)(.{16})(\<)$`, ByGroups(Text, Punctuation, LiteralString, Punctuation), Push("bracket-strings")},
{`(\s{2,3})(\|)(.{16})(\|)$`, ByGroups(Text, Punctuation, LiteralString, Punctuation), Push("piped-strings")},
{`(\s{2,3})(\>)(.{1,15})(\<)$`, ByGroups(Text, Punctuation, LiteralString, Punctuation), nil},
{`(\s{2,3})(\|)(.{1,15})(\|)$`, ByGroups(Text, Punctuation, LiteralString, Punctuation), nil},
{`(\s{2,3})(.{1,15})$`, ByGroups(Text, LiteralString), nil},
{`(\s{2,3})(.{16}|.{20})$`, ByGroups(Text, LiteralString), Push("nonpiped-strings")},
{`\s`, Text, nil},
{`^\*`, Punctuation, nil},
},
"offset": {
{`^([0-9A-Ha-h]+)(:)`, ByGroups(NameLabel, Punctuation), Push("offset-mode")},
{`^[0-9A-Ha-h]+`, NameLabel, nil},
},
"offset-mode": {
{`\s`, Text, Pop(1)},
{`[0-9A-Ha-h]+`, NameLabel, nil},
{`:`, Punctuation, nil},
},
"piped-strings": {
{`\n`, Text, nil},
Include("offset"),
{`[0-9A-Ha-h]{2}`, LiteralNumberHex, nil},
{`(\s{2,3})(\|)(.{1,16})(\|)$`, ByGroups(Text, Punctuation, LiteralString, Punctuation), nil},
{`\s`, Text, nil},
{`^\*`, Punctuation, nil},
},
"bracket-strings": {
{`\n`, Text, nil},
Include("offset"),
{`[0-9A-Ha-h]{2}`, LiteralNumberHex, nil},
{`(\s{2,3})(\>)(.{1,16})(\<)$`, ByGroups(Text, Punctuation, LiteralString, Punctuation), nil},
{`\s`, Text, nil},
{`^\*`, Punctuation, nil},
},
"nonpiped-strings": {
{`\n`, Text, nil},
Include("offset"),
{`([0-9A-Ha-h]{2})(\-)([0-9A-Ha-h]{2})`, ByGroups(LiteralNumberHex, Punctuation, LiteralNumberHex), nil},
{`[0-9A-Ha-h]{2}`, LiteralNumberHex, nil},
{`(\s{19,})(.{1,20}?)$`, ByGroups(Text, LiteralString), nil},
{`(\s{2,3})(.{1,20})$`, ByGroups(Text, LiteralString), nil},
{`\s`, Text, nil},
{`^\*`, Punctuation, nil},
},
}
}