35 lines
1.2 KiB
Ruby
35 lines
1.2 KiB
Ruby
#
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# Copyright 2012 Wade Alcorn wade@bindshell.net
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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class Hash
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# Recursively deep merge two hashes together
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# @param [Hash] hash Hash to be merged
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# @return [Hash] Combined hash
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# @note Duplicate keys are overwritten by the value defined in the hash calling deep_merge (not the parameter hash)
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# @note http://snippets.dzone.com/posts/show/4706
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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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end
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