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Contents
# Copyright (C) 2011 AMEE UK Ltd. - http://www.amee.com
# Released as Open Source Software under the BSD 3-Clause license. See LICENSE.txt for details.
# :title: Class: Hash
class Hash
# Return a new instance of <i>Hash</i> which represents the same data as
# <tt>self</tt> but with all keys - including those of sub-hashes - symbolized
#
def recursive_symbolize_keys
new_hash = {}
self.each_pair do |k,v|
new_hash[k.to_sym] = value_or_symbolize_value(v)
end
new_hash
end
# Modify <tt>self</tt> in place, transforming all keys - including those of
# sub-hashes - in to symbols
#
def recursive_symbolize_keys!
self.each_pair do |k,v|
value = delete(k)
self[k.to_sym] = value_or_symbolize_value(value)
end
self
end
private
# Symbolize any hash key or sub-hash key containing within <tt>value</tt>.
def value_or_symbolize_value(value)
if value.is_a? Hash
return value.recursive_symbolize_keys
elsif value.is_a? Array
return value.map { |elem| value_or_symbolize_value(elem) }
else
return value
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems