class XCPretty::Snippet

def self.from_filepath(filepath)
  path, line = filepath.split(':')
  file = File.open(path)
  text = read_snippet(file, line)
  file.close
  new(text, filepath)
rescue
  new('', filepath)
end

def self.read_snippet(file, around_line)
  text = ''
  starting_position = around_line.to_i - 2
  starting_position.times { file.gets }
  3.times { text += readline(file) }
  text
end

def self.readline(file)
  file.gets
  $_ || ''
end

def initialize(contents = '', file_path = '')
  @contents = contents
  @file_path = file_path
end