Module: Inversion::DataUtilities

Included in:
RenderState, Template
Defined in:
lib/inversion/mixins.rb

Overview

A collection of data-manipulation functions.

Class Method Summary collapse

Class Method Details

.deep_copy(obj) ⇒ Object

Recursively copy the specified ‘obj` and return the result.



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# File 'lib/inversion/mixins.rb', line 234

def deep_copy( obj )
	# self.log.debug "Deep copying: %p" % [ obj ]

	# Handle mocks during testing
	return obj if obj.class.name == 'RSpec::Mocks::Mock'

	return case obj
		when NilClass, Numeric, TrueClass, FalseClass, Symbol,
		     Module, Encoding, IO, Tempfile
			obj

		when Array
			obj.map {|o| deep_copy(o) }

		when Hash
			newhash = {}
			newhash.default_proc = obj.default_proc if obj.default_proc
			obj.each do |k,v|
				newhash[ deep_copy(k) ] = deep_copy( v )
			end
			newhash

		else
			obj.clone
		end
end