lib/core_ext/object/to_query.rb
# If ActiveSupport is available, use the #to_query method it provides,
# otherwise, use our own. The code is taken from ActiveSupport 3.2.8.
begin
require 'active_support/core_ext/object/to_query'
rescue LoadError
# Copyright (c) 2005-2012 David Heinemeier Hansson
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
require 'core_ext/object/to_param'
class Object
# Converts an object into a string suitable for use as a URL query string, using the given <tt>key</tt> as the
# param name.
#
# Note: This method is defined as a default implementation for all Objects for Hash#to_query to work.
def to_query(key)
require 'cgi' unless defined?(CGI) && defined?(CGI::escape)
"#{CGI.escape(key.to_param)}=#{CGI.escape(to_param.to_s)}"
end
end
class Array
# Converts an array into a string suitable for use as a URL query string,
# using the given +key+ as the param name.
#
# ['Rails', 'coding'].to_query('hobbies') # => "hobbies%5B%5D=Rails&hobbies%5B%5D=coding"
def to_query(key)
prefix = "#{key}[]"
collect { |value| value.to_query(prefix) }.join '&'
end
end
class Hash
alias_method :to_query, :to_param
end
end