package lexers import ( . "github.com/alecthomas/chroma/v2" // nolint ) // Markdown lexer. var Markdown = Register(DelegatingLexer(HTML, MustNewLexer( &Config{ Name: "markdown", Aliases: []string{"md", "mkd"}, Filenames: []string{"*.md", "*.mkd", "*.markdown"}, MimeTypes: []string{"text/x-markdown"}, }, markdownRules, ))) func markdownRules() Rules { return Rules{ "root": { {`^(#[^#].+\n)`, ByGroups(GenericHeading), nil}, {`^(#{2,6}.+\n)`, ByGroups(GenericSubheading), nil}, {`^(\s*)([*-] )(\[[ xX]\])( .+\n)`, ByGroups(Text, Keyword, Keyword, UsingSelf("inline")), nil}, {`^(\s*)([*-])(\s)(.+\n)`, ByGroups(Text, Keyword, Text, UsingSelf("inline")), nil}, {`^(\s*)([0-9]+\.)( .+\n)`, ByGroups(Text, Keyword, UsingSelf("inline")), nil}, {`^(\s*>\s)(.+\n)`, ByGroups(Keyword, GenericEmph), nil}, {"^(```\\n)([\\w\\W]*?)(^```$)", ByGroups(String, Text, String), nil}, { "^(```)(\\w+)(\\n)([\\w\\W]*?)(^```$)", UsingByGroup(2, 4, String, String, String, Text, String), nil, }, Include("inline"), }, "inline": { {`\\.`, Text, nil}, {`(\s)(\*|_)((?:(?!\2).)*)(\2)((?=\W|\n))`, ByGroups(Text, GenericEmph, GenericEmph, GenericEmph, Text), nil}, {`(\s)((\*\*|__).*?)\3((?=\W|\n))`, ByGroups(Text, GenericStrong, GenericStrong, Text), nil}, {`(\s)(~~[^~]+~~)((?=\W|\n))`, ByGroups(Text, GenericDeleted, Text), nil}, {"`[^`]+`", LiteralStringBacktick, nil}, {`[@#][\w/:]+`, NameEntity, nil}, {`(!?\[)([^]]+)(\])(\()([^)]+)(\))`, ByGroups(Text, NameTag, Text, Text, NameAttribute, Text), nil}, {`[^\\\s]+`, Other, nil}, {`.|\n`, Other, nil}, }, } }