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module Hashie
# @author Jamie Winsor <jamie@vialstudios.com>
class Mash < Hashie::Hash
alias_method :old_setter, :[]=
alias_method :old_dup, :dup
attr_writer :coercions
# @return [Hash]
def coercions
@coercions ||= HashWithIndifferentAccess.new
end
def coercion(key)
self.coercions[key]
end
def set_coercion(key, fun)
self.coercions[key] = fun
end
# Override setter to coerce the given value if a coercion is defined
def []=(key, value)
coerced_value = coercion(key).present? ? coercion(key).call(value) : value
old_setter(key, coerced_value)
end
# Return the containing Hashie::Mash of the given dotted path
#
# @param [String] path
#
# @return [Hashie::Mash, nil]
def container(path)
parts = path.split('.', 2)
match = (self[parts[0].to_s] || self[parts[0].to_sym])
if !parts[1] or match.nil?
self
else
match.container(parts[1])
end
end
def dup
mash = old_dup
mash.coercions = self.coercions
mash
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems