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70 lines
2 KiB
Go
70 lines
2 KiB
Go
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package d
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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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// Dtd lexer.
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var Dtd = internal.Register(MustNewLexer(
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&Config{
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Name: "DTD",
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Aliases: []string{"dtd"},
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Filenames: []string{"*.dtd"},
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MimeTypes: []string{"application/xml-dtd"},
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DotAll: true,
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},
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Rules{
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"root": {
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Include("common"),
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{`(<!ELEMENT)(\s+)(\S+)`, ByGroups(Keyword, Text, NameTag), Push("element")},
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{`(<!ATTLIST)(\s+)(\S+)`, ByGroups(Keyword, Text, NameTag), Push("attlist")},
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{`(<!ENTITY)(\s+)(\S+)`, ByGroups(Keyword, Text, NameEntity), Push("entity")},
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{`(<!NOTATION)(\s+)(\S+)`, ByGroups(Keyword, Text, NameTag), Push("notation")},
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{`(<!\[)([^\[\s]+)(\s*)(\[)`, ByGroups(Keyword, NameEntity, Text, Keyword), nil},
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{`(<!DOCTYPE)(\s+)([^>\s]+)`, ByGroups(Keyword, Text, NameTag), nil},
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{`PUBLIC|SYSTEM`, KeywordConstant, nil},
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{`[\[\]>]`, Keyword, nil},
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},
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"common": {
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{`\s+`, Text, nil},
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{`(%|&)[^;]*;`, NameEntity, nil},
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{`<!--`, Comment, Push("comment")},
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{`[(|)*,?+]`, Operator, nil},
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{`"[^"]*"`, LiteralStringDouble, nil},
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{`\'[^\']*\'`, LiteralStringSingle, nil},
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},
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"comment": {
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{`[^-]+`, Comment, nil},
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{`-->`, Comment, Pop(1)},
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{`-`, Comment, nil},
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},
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"element": {
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Include("common"),
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{`EMPTY|ANY|#PCDATA`, KeywordConstant, nil},
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{`[^>\s|()?+*,]+`, NameTag, nil},
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{`>`, Keyword, Pop(1)},
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},
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"attlist": {
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Include("common"),
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{`CDATA|IDREFS|IDREF|ID|NMTOKENS|NMTOKEN|ENTITIES|ENTITY|NOTATION`, KeywordConstant, nil},
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{`#REQUIRED|#IMPLIED|#FIXED`, KeywordConstant, nil},
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{`xml:space|xml:lang`, KeywordReserved, nil},
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{`[^>\s|()?+*,]+`, NameAttribute, nil},
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{`>`, Keyword, Pop(1)},
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},
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"entity": {
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Include("common"),
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{`SYSTEM|PUBLIC|NDATA`, KeywordConstant, nil},
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{`[^>\s|()?+*,]+`, NameEntity, nil},
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{`>`, Keyword, Pop(1)},
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},
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"notation": {
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Include("common"),
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{`SYSTEM|PUBLIC`, KeywordConstant, nil},
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{`[^>\s|()?+*,]+`, NameAttribute, nil},
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{`>`, Keyword, Pop(1)},
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},
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},
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))
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