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