class Airbrake::CodeHunk

@api private
around it
Represents a small hunk of code consisting of a base line and a couple lines

def get(file, line)

Returns:
  • (Hash{Integer=>String}, nil) - lines of code around the base line

Parameters:
  • line (Integer) -- The base line in the file
  • file (String) -- The file to read 
def get(file, line)
  return unless File.exist?(file)
  return unless line
  lines = get_lines(file, [line - NLINES, 1].max, line + NLINES) || {}
  return { 1 => '' } if lines.empty?
  lines
end

def get_from_cache(file) 

def get_from_cache(file)
  Airbrake::FileCache[file] ||= File.foreach(file)
rescue StandardError => ex
  logger.error(
    "#{self.class.name}: can't read code hunk for #{file}: #{ex}",
  )
  nil
end

def get_lines(file, start_line, end_line) 

def get_lines(file, start_line, end_line)
  return unless (cached_file = get_from_cache(file))
  lines = {}
  cached_file.with_index(1) do |l, i|
    next if i < start_line
    break if i > end_line
    lines[i] = l[0...MAX_LINE_LEN].rstrip
  end
  lines
end