Module: RubyLanguageServer::LineContext

Defined in:

lib/ruby_language_server/line_context.rb

Class Method Summary

• .for(line, position) ⇒ Object

Class Method Details

.for(line, position) ⇒ Object

# File 'lib/ruby_language_server/line_context.rb', line 20

def self.for(line, position)
  # Grab just the last part of the line - from the index onward
  line_end = line[position..-1]
  return nil if line_end.nil?

  # Grab the portion of the word that starts at the position toward the end of the line
  match = line_end.partition(/^(@{0,2}\w+)/)[1]
  RubyLanguageServer.logger.debug("match: #{match}")
  # Get the start of the line to the end of the matched word
  line_start = line[0..(position + match.length - 1)]
  RubyLanguageServer.logger.debug("line_start: #{line_start}")
  # Match as much as we can to the end of the line - which is now the end of the word
  end_match = line_start.partition(/(@{0,2}[:&\.\w]+)$/)[1]
  matches = end_match.split('&.', -1)
  matches = matches.map { |m| m.length.positive? ? m.split('.', -1) : m }.flatten
  matches = matches.map { |m| m.length.positive? ? m.split('::', -1) : m }.flatten
  RubyLanguageServer.logger.debug("matches: #{matches}")
  matches
end