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# These are ActiveSupport-;like extensions to do a few handy things in the gems
# Derived from ActiveSupport, so the AS copyright notice applies:
#
#
#
# Copyright (c) 2005 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.
#++
#
#
class String #:nodoc:
# Constantize tries to find a declared constant with the name specified
# in the string. It raises a NameError when the name is not in CamelCase
# or is not initialized.
#
# Examples
# "Module".constantize #=> Module
# "Class".constantize #=> Class
def right_constantize()
unless /\A(?:::)?([A-Z]\w*(?:::[A-Z]\w*)*)\z/ =~ self
raise NameError, "#{self.inspect} is not a valid constant name!"
end
Object.module_eval("::#{$1}", __FILE__, __LINE__)
end
def right_camelize()
self.dup.split(/_/).map{ |word| word.capitalize }.join('')
end
end
class Object #:nodoc:
# "", " ", nil, [], and {} are blank
def right_blank?
if respond_to?(:empty?) && respond_to?(:strip)
empty? or strip.empty?
elsif respond_to?(:empty?)
empty?
else
!self
end
end
end
class NilClass #:nodoc:
def right_blank?
true
end
end
class FalseClass #:nodoc:
def right_blank?
true
end
end
class TrueClass #:nodoc:
def right_blank?
false
end
end
class Array #:nodoc:
alias_method :right_blank?, :empty?
end
class Hash #:nodoc:
alias_method :right_blank?, :empty?
# Return a new hash with all keys converted to symbols.
def right_symbolize_keys
inject({}) do |options, (key, value)|
options[key.to_sym] = value
options
end
end
end
class String #:nodoc:
def right_blank?
empty? || strip.empty?
end
end
class Numeric #:nodoc:
def right_blank?
false
end
end
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