130 lines
3.7 KiB
Ruby
130 lines
3.7 KiB
Ruby
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# -*- coding: utf-8 -*- #
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# frozen_string_literal: true
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module Rouge
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module Lexers
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class SPARQL < RegexLexer
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title "SPARQL"
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desc "Semantic Query Language, for RDF data"
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tag 'sparql'
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filenames '*.rq'
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mimetypes 'application/sparql-query'
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def self.builtins
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@builtins = Set.new %w[
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ABS AVG BNODE BOUND CEIL COALESCE CONCAT CONTAINS COUNT DATATYPE DAY
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ENCODE_FOR_URI FLOOR GROUP_CONCAT HOURS IF IRI isBLANK isIRI
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isLITERAL isNUMERIC isURI LANG LANGMATCHES LCASE MAX MD5 MIN MINUTES
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MONTH NOW RAND REGEX REPLACE ROUND SAMETERM SAMPLE SECONDS SEPARATOR
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SHA1 SHA256 SHA384 SHA512 STR STRAFTER STRBEFORE STRDT STRENDS
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STRLANG STRLEN STRSTARTS STRUUID SUBSTR SUM TIMEZONE TZ UCASE URI
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UUID YEAR
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]
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end
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def self.keywords
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@keywords = Set.new %w[
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ADD ALL AS ASC ASK BASE BIND BINDINGS BY CLEAR CONSTRUCT COPY CREATE
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DATA DEFAULT DELETE DESC DESCRIBE DISTINCT DROP EXISTS FILTER FROM
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GRAPH GROUP BY HAVING IN INSERT LIMIT LOAD MINUS MOVE NAMED NOT
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OFFSET OPTIONAL ORDER PREFIX SELECT REDUCED SERVICE SILENT TO UNDEF
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UNION USING VALUES WHERE WITH
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]
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end
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state :root do
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rule %r(\s+)m, Text::Whitespace
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rule %r(#.*), Comment::Single
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rule %r("""), Str::Double, :string_double_literal
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rule %r("), Str::Double, :string_double
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rule %r('''), Str::Single, :string_single_literal
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rule %r('), Str::Single, :string_single
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rule %r([$?]\w+), Name::Variable
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rule %r((\w*:)(\w+)?) do |m|
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token Name::Namespace, m[1]
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token Str::Symbol, m[2]
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end
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rule %r(<[^>]*>), Name::Namespace
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rule %r(true|false)i, Keyword::Constant
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rule %r([A-Z]\w+\b)i do |m|
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if self.class.builtins.include? m[0].upcase
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token Name::Builtin
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elsif self.class.keywords.include? m[0].upcase
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token Keyword
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else
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token Error
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end
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end
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rule %r([+\-]?(?:\d+\.\d*|\.\d+)(?:[e][+\-]?[0-9]+)?)i, Num::Float
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rule %r([+\-]?\d+), Num::Integer
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rule %r([\]\[(){}.,;=]), Punctuation
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rule %r([/?*+=!<>]|&&|\|\||\^\^), Operator
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end
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state :string_double_common do
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mixin :string_escapes
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rule %r(\\), Str::Double
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rule %r([^"\\]+), Str::Double
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end
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state :string_double do
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rule %r(") do
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token Str::Double
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goto :string_end
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end
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mixin :string_double_common
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end
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state :string_double_literal do
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rule %r(""") do
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token Str::Double
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goto :string_end
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end
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rule %r("), Str::Double
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mixin :string_double_common
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end
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state :string_single_common do
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mixin :string_escapes
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rule %r(\\), Str::Single
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rule %r([^'\\]+), Str::Single
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end
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state :string_single do
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rule %r(') do
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token Str::Single
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goto :string_end
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end
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mixin :string_single_common
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end
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state :string_single_literal do
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rule %r(''') do
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token Str::Single
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goto :string_end
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end
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rule %r('), Str::Single
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mixin :string_single_common
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end
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state :string_escapes do
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rule %r(\\[tbnrf"'\\]), Str::Escape
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rule %r(\\u\h{4}), Str::Escape
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rule %r(\\U\h{8}), Str::Escape
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end
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state :string_end do
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rule %r((@)([a-zA-Z]+(?:-[a-zA-Z0-9]+)*)) do
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groups Operator, Name::Property
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end
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rule %r(\^\^), Operator
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rule(//) { pop! }
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end
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end
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end
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end
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