Module: RDF::Turtle::Terminals

Included in:

FreebaseReader, Reader

Defined in:

vendor/bundler/ruby/3.4.0/bundler/gems/rdf-turtle-5818bab04efb/lib/rdf/turtle/terminals.rb

Constant Summary

U_CHARS1 =

Definitions of token regular expressions used for lexical analysis

Unicode regular expressions for Ruby 1.9+ with the Oniguruma engine.

Regexp.compile(<<-EOS.gsub(/\s+/, ''))
  [\\u00C0-\\u00D6]|[\\u00D8-\\u00F6]|[\\u00F8-\\u02FF]|
  [\\u0370-\\u037D]|[\\u037F-\\u1FFF]|[\\u200C-\\u200D]|
  [\\u2070-\\u218F]|[\\u2C00-\\u2FEF]|[\\u3001-\\uD7FF]|
  [\\uF900-\\uFDCF]|[\\uFDF0-\\uFFFD]|[\\u{10000}-\\u{EFFFF}]
EOS

U_CHARS2 =

Regexp.compile("\\u00B7|[\\u0300-\\u036F]|[\\u203F-\\u2040]", Regexp::FIXEDENCODING).freeze

IRI_RANGE =

Regexp.compile("[[^<>\"{}|^`\\\\]&&[^\\x00-\\x20]]", Regexp::FIXEDENCODING).freeze

UCHAR =

EBNF::LL1::Lexer::UCHAR

PERCENT =

/%[0-9A-Fa-f]{2}/u.freeze

PN_LOCAL_ESC =

/\\[_~\.\-\!$\&'\(\)\*\+,;=\/\?\#@%]/u.freeze

PLX =

/#{PERCENT}|#{PN_LOCAL_ESC}/u.freeze

PN_CHARS_BASE =

/[A-Z]|[a-z]|#{U_CHARS1}/u.freeze

PN_CHARS_U =

/_|#{PN_CHARS_BASE}/u.freeze

PN_CHARS =

/-|\d|#{PN_CHARS_U}|#{U_CHARS2}/u.freeze

PN_LOCAL_BODY =

/(?:(?:\.|:|#{PN_CHARS}|#{PLX})*(?:#{PN_CHARS}|:|#{PLX}))?/u.freeze

PN_CHARS_BODY =

/(?:(?:\.|#{PN_CHARS})*#{PN_CHARS})?/u.freeze

PN_PREFIX =

/#{PN_CHARS_BASE}#{PN_CHARS_BODY}/u.freeze

PN_LOCAL =

/(?:\d|:|#{PN_CHARS_U}|#{PLX})#{PN_LOCAL_BODY}/u.freeze

EXPONENT =

/[eE][+-]?\d+/u.freeze

ECHAR =

/\\[tbnrf\\"']/u.freeze

IRIREF =

/<(?:#{IRI_RANGE}|#{UCHAR})*>/u.freeze

PNAME_NS =

/#{PN_PREFIX}?:/u.freeze

PNAME_LN =

/#{PNAME_NS}#{PN_LOCAL}/u.freeze

BLANK_NODE_LABEL =

/_:(?:\d|#{PN_CHARS_U})(?:(?:#{PN_CHARS}|\.)*#{PN_CHARS})?/u.freeze

LANG_DIR =

/@([a-zA-Z]+(?:-[a-zA-Z0-9]+)*(?:--[a-zA-Z]+)?)/u.freeze

INTEGER =

/[+-]?\d+/u.freeze

DECIMAL =

/[+-]?(?:\d*\.\d+)/u.freeze

DOUBLE =

/[+-]?(?:\d+(?:\.\d*)?|\.\d+)#{EXPONENT}/u.freeze

STRING_LITERAL_SINGLE_QUOTE =

/'(?:[^\'\\\n\r]|#{ECHAR}|#{UCHAR})*'/u.freeze

STRING_LITERAL_QUOTE =

/"(?:[^\"\\\n\r]|#{ECHAR}|#{UCHAR})*"/u.freeze

STRING_LITERAL_LONG_SINGLE_QUOTE =

/'''(?:(?:'|'')?(?:[^'\\]|#{ECHAR}|#{UCHAR}))*'''/um.freeze

STRING_LITERAL_LONG_QUOTE =

/"""(?:(?:"|"")?(?:[^"\\]|#{ECHAR}|#{UCHAR}))*"""/um.freeze

WS =

/(?:\s|(?:#[^\n\r]*))+/um.freeze

ANON =

/\[#{WS}*\]/um.freeze

PREFIX =

/@?prefix/ui.freeze

BASE =

/@?base/ui.freeze

RDF_VERSION =

/@?version/ui.freeze