Class: BELParser::Script::State::BELVersion

Inherits:
Object
  • Object
show all
Extended by:
Keyword, BELParser::Script::StateFunction
Defined in:
lib/bel_parser/script/state/bel_version.rb

Constant Summary collapse

TARGET_NODE = 
BELParser::Parsers::AST::DocumentProperty
DEFAULT_BEL_VERSION = 
'1.0'

Constants included from Keyword

Keyword::BEL_VERSION_REGEX, Keyword::BEL_VERSION_STRING, Keyword::CITATION, Keyword::CITATION_REGEX, Keyword::IMPLICIT_ANNOTATIONS, Keyword::SUPPORT, Keyword::SUPPORT_REGEX

Class Method Summary collapse

Methods included from BELParser::Script::StateFunction

consume

Methods included from Keyword

is_bel_version?, is_citation?, is_implicit_annotation?, is_support?

Class Method Details

.consume(ast_node, script_context) ⇒ Object 



17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
# File 'lib/bel_parser/script/state/bel_version.rb', line 17

def self.consume(ast_node, script_context)
  return unless ast_node.is_a?(TARGET_NODE)
  name, value = ast_node.children
  name_string  = name.identifier.string_literal
  return unless is_bel_version?(name_string)

  value_string = value.children[0].string_literal
  begin
    spec = BELParser::Language.specification(value_string)
  rescue ArgumentError
    spec = BELParser::Language.specification(DEFAULT_BEL_VERSION)
  end
  script_context[:specification] = spec
end