cheat/vendor/github.com/alecthomas/chroma/lexers/h/hexdump.go

72 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},
},
}
}