class Bundler::URI::RFC2396_Parser

def initialize_regexp(pattern)
  ret = {}
  # for Bundler::URI::split
  ret[:ABS_URI] = Regexp.new('\A\s*' + pattern[:X_ABS_URI] + '\s*\z', Regexp::EXTENDED)
  ret[:REL_URI] = Regexp.new('\A\s*' + pattern[:X_REL_URI] + '\s*\z', Regexp::EXTENDED)
  # for Bundler::URI::extract
  ret[:URI_REF]     = Regexp.new(pattern[:URI_REF])
  ret[:ABS_URI_REF] = Regexp.new(pattern[:X_ABS_URI], Regexp::EXTENDED)
  ret[:REL_URI_REF] = Regexp.new(pattern[:X_REL_URI], Regexp::EXTENDED)
  # for Bundler::URI::escape/unescape
  ret[:ESCAPED] = Regexp.new(pattern[:ESCAPED])
  ret[:UNSAFE]  = Regexp.new("[^#{pattern[:UNRESERVED]}#{pattern[:RESERVED]}]")
  # for Generic#initialize
  ret[:SCHEME]   = Regexp.new("\\A#{pattern[:SCHEME]}\\z")
  ret[:USERINFO] = Regexp.new("\\A#{pattern[:USERINFO]}\\z")
  ret[:HOST]     = Regexp.new("\\A#{pattern[:HOST]}\\z")
  ret[:PORT]     = Regexp.new("\\A#{pattern[:PORT]}\\z")
  ret[:OPAQUE]   = Regexp.new("\\A#{pattern[:OPAQUE_PART]}\\z")
  ret[:REGISTRY] = Regexp.new("\\A#{pattern[:REG_NAME]}\\z")
  ret[:ABS_PATH] = Regexp.new("\\A#{pattern[:ABS_PATH]}\\z")
  ret[:REL_PATH] = Regexp.new("\\A#{pattern[:REL_PATH]}\\z")
  ret[:QUERY]    = Regexp.new("\\A#{pattern[:QUERY]}\\z")
  ret[:FRAGMENT] = Regexp.new("\\A#{pattern[:FRAGMENT]}\\z")
  ret
end