45 lines
857 B
Ruby
45 lines
857 B
Ruby
class Hash
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# Merges self with another hash, recursively.
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#
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# This code was lovingly stolen from some random gem:
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# http://gemjack.com/gems/tartan-0.1.1/classes/Hash.html
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#
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# Thanks to whoever made it.
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def deep_merge(hash)
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target = dup
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hash.keys.each do |key|
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if hash[key].is_a? Hash and self[key].is_a? Hash
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target[key] = target[key].deep_merge(hash[key])
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next
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end
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target[key] = hash[key]
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end
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target
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end
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def to_symbol_keys
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inject({}) do |memo, (k, v)|
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if v.is_a? Hash
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memo[k.to_sym] = v.to_symbol_keys
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else
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memo[k.to_sym] = v
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end
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memo
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end
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end
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def to_string_keys
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inject({}) do |memo, (k, v)|
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if v.is_a? Hash
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memo[k.to_s] = v.to_string_keys
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else
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memo[k.to_s] = v
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end
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memo
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end
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end
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end
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