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# -*- coding: utf-8 -*- #
# frozen_string_literal: true
module Rouge
module Lexers
class Turtle < RegexLexer
title "Turtle/TriG"
desc "Terse RDF Triple Language, TriG"
tag 'turtle'
filenames '*.ttl', '*.trig'
mimetypes 'text/turtle', 'application/trig'
state :root do
rule %r/@base\b/, Keyword::Declaration
rule %r/@prefix\b/, Keyword::Declaration
rule %r/true\b/, Keyword::Constant
rule %r/false\b/, Keyword::Constant
rule %r/""".*?"""/m, Literal::String
rule %r/"([^"\\]|\\.)*"/, Literal::String
rule %r/'''.*?'''/m, Literal::String
rule %r/'([^'\\]|\\.)*'/, Literal::String
rule %r/#.*$/, Comment::Single
rule %r/@[^\s,.;]+/, Name::Attribute
rule %r/[+-]?[0-9]+\.[0-9]*E[+-]?[0-9]+/, Literal::Number::Float
rule %r/[+-]?\.[0-9]+E[+-]?[0-9]+/, Literal::Number::Float
rule %r/[+-]?[0-9]+E[+-]?[0-9]+/, Literal::Number::Float
rule %r/[+-]?[0-9]*\.[0-9]+?/, Literal::Number::Float
rule %r/[+-]?[0-9]+/, Literal::Number::Integer
rule %r/\./, Punctuation
rule %r/,/, Punctuation
rule %r/;/, Punctuation
rule %r/\(/, Punctuation
rule %r/\)/, Punctuation
rule %r/\{/, Punctuation
rule %r/\}/, Punctuation
rule %r/\[/, Punctuation
rule %r/\]/, Punctuation
rule %r/\^\^/, Punctuation
rule %r/<[^>]*>/, Name::Label
rule %r/base\b/i, Keyword::Declaration
rule %r/prefix\b/i, Keyword::Declaration
rule %r/GRAPH\b/, Keyword
rule %r/a\b/, Keyword
rule %r/\s+/, Text::Whitespace
rule %r/[^:;<>#\@"\(\).\[\]\{\} ]*:/, Name::Namespace
rule %r/[^:;<>#\@"\(\).\[\]\{\} ]+/, Name
end
end
end
end
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