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require 'cgi'
require 'uri'
##
# The UriFormatter handles URIs from user-input and escaping.
#
# uf = Gem::UriFormatter.new 'example.com'
#
# p uf.normalize #=> 'http://example.com'
class Gem::UriFormatter
##
# The URI to be formatted.
attr_reader :uri
##
# Creates a new URI formatter for +uri+.
def initialize uri
@uri = uri
end
##
# Escapes the #uri for use as a CGI parameter
def escape
return unless @uri
CGI.escape @uri
end
##
# Normalize the URI by adding "http://" if it is missing.
def normalize
(@uri =~ /^(https?|ftp|file):/i) ? @uri : "http://#{@uri}"
end
##
# Unescapes the #uri which came from a CGI parameter
def unescape
return unless @uri
CGI.unescape @uri
end
end
|
