Returns the value of the specified constant.
@overload full_const_get(obj, name)
Returns the value of the specified constant in +obj+. @param [Object] obj The root object used as origin. @param [String] name The name of the constant to get, e.g. "Merb::Router".
@overload full_const_get(name)
Returns the value of the fully-qualified constant. @param [String] name The name of the constant to get, e.g. "Merb::Router".
@return [Object] The constant corresponding to name.
@api semipublic
# File lib/dm-core/support/ext/object.rb, line 17 def self.full_const_get(obj, name = nil) obj, name = ::Object, obj if name.nil? list = name.split("::") list.shift if DataMapper::Ext.blank?(list.first) list.each do |x| # This is required because const_get tries to look for constants in the # ancestor chain, but we only want constants that are HERE obj = obj.const_defined?(x) ? obj.const_get(x) : obj.const_missing(x) end obj end
Sets the specified constant to the given value.
@overload full_const_set(obj, name)
Sets the specified constant in +obj+ to the given +value+. @param [Object] obj The root object used as origin. @param [String] name The name of the constant to set, e.g. "Merb::Router". @param [Object] value The value to assign to the constant.
@overload full_const_set(name)
Sets the fully-qualified constant to the given +value+. @param [String] name The name of the constant to set, e.g. "Merb::Router". @param [Object] value The value to assign to the constant.
@return [Object] The constant corresponding to name.
@api semipublic
# File lib/dm-core/support/ext/object.rb, line 46 def self.full_const_set(obj, name, value = nil) obj, name, value = ::Object, obj, name if value.nil? list = name.split("::") toplevel = DataMapper::Ext.blank?(list.first) list.shift if toplevel last = list.pop obj = list.empty? ? ::Object : DataMapper::Ext::Object.full_const_get(list.join("::")) obj.const_set(last, value) if obj && !obj.const_defined?(last) end
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