class BELParser::Script::Syntax::UnresolvableNamespace

Constants

TARGET_NODE

AST node representing the definition of a namespace.

Public Class Methods

map(ast_node, script_context) click to toggle source
# File lib/bel_parser/script/syntax/unresolvable_namespace.rb, line 15
def self.map(ast_node, script_context)
  return nil unless ast_node.is_a?(TARGET_NODE)
  uri_reader, url_reader = script_context.values_at(:uri_reader, :url_reader)

  keyword, domain = ast_node.children
  if domain.url?
    ApplyResourceURI.new.process(ast_node)
    if ast_node.uri
      uri = ast_node.uri
      unless uri_reader.retrieve_resource(uri)
        prefix = keyword.identifier.string_literal
        return UnresolvableNamespaceError.new(ast_node, prefix, uri)
      end
    else
      url = domain.child.string.string_literal
      unless url_reader.retrieve_resource(url)
        prefix = keyword.identifier.string_literal
        return UnresolvableNamespaceError.new(ast_node, prefix, url)
      end
    end
  end

  nil
end