mirror of
https://github.com/go-gitea/gitea
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77 lines
2 KiB
Go
77 lines
2 KiB
Go
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package b
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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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// Bibtex lexer.
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var Bibtex = internal.Register(MustNewLexer(
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&Config{
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Name: "BibTeX",
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Aliases: []string{"bib", "bibtex"},
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Filenames: []string{"*.bib"},
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MimeTypes: []string{"text/x-bibtex"},
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NotMultiline: true,
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CaseInsensitive: true,
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},
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Rules{
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"root": {
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Include("whitespace"),
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{`@comment`, Comment, nil},
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{`@preamble`, NameClass, Push("closing-brace", "value", "opening-brace")},
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{`@string`, NameClass, Push("closing-brace", "field", "opening-brace")},
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{"@[a-z_@!$&*+\\-./:;<>?\\[\\\\\\]^`|~][\\w@!$&*+\\-./:;<>?\\[\\\\\\]^`|~]*", NameClass, Push("closing-brace", "command-body", "opening-brace")},
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{`.+`, Comment, nil},
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},
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"opening-brace": {
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Include("whitespace"),
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{`[{(]`, Punctuation, Pop(1)},
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},
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"closing-brace": {
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Include("whitespace"),
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{`[})]`, Punctuation, Pop(1)},
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},
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"command-body": {
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Include("whitespace"),
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{`[^\s\,\}]+`, NameLabel, Push("#pop", "fields")},
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},
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"fields": {
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Include("whitespace"),
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{`,`, Punctuation, Push("field")},
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Default(Pop(1)),
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},
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"field": {
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Include("whitespace"),
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{"[a-z_@!$&*+\\-./:;<>?\\[\\\\\\]^`|~][\\w@!$&*+\\-./:;<>?\\[\\\\\\]^`|~]*", NameAttribute, Push("value", "=")},
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Default(Pop(1)),
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},
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"=": {
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Include("whitespace"),
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{`=`, Punctuation, Pop(1)},
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},
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"value": {
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Include("whitespace"),
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{"[a-z_@!$&*+\\-./:;<>?\\[\\\\\\]^`|~][\\w@!$&*+\\-./:;<>?\\[\\\\\\]^`|~]*", NameVariable, nil},
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{`"`, LiteralString, Push("quoted-string")},
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{`\{`, LiteralString, Push("braced-string")},
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{`[\d]+`, LiteralNumber, nil},
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{`#`, Punctuation, nil},
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Default(Pop(1)),
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},
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"quoted-string": {
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{`\{`, LiteralString, Push("braced-string")},
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{`"`, LiteralString, Pop(1)},
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{`[^\{\"]+`, LiteralString, nil},
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},
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"braced-string": {
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{`\{`, LiteralString, Push()},
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{`\}`, LiteralString, Pop(1)},
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{`[^\{\}]+`, LiteralString, nil},
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},
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"whitespace": {
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{`\s+`, Text, nil},
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},
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},
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))
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