#                                                                          
# File 'recursivemerge.rb' created on 17 mar 2008 at 09:37:25.                    
#
# See 'dokkit.rb' or +LICENSE+ for licence information.                      
#                                                                          
# (C) 2008 Andrea Fazzi <andrea.fazzi@alca.le.it> (and contributors). 
#                                                                          

class Hash
  def recursive_store(key, value, other_value = nil)
    if(value.class == Hash && other_value.class == Hash)
      value.recursive_merge other_value
    else
     store(key, other_value)
    end
  end
  # Hash#recursive_merge merges two arbitrarily deep hashes into a single hash. 
  # The hash is followed recursively, so that deeply nested hashes that are at 
  # the same level will be merged when the parent hashes are merged.
  def recursive_merge!(other_hash, &blk)
    if block_given?
      merge!(other_hash, &blk)
    else
      merge!(other_hash) do |key, value, other_value|
        recursive_store(key, value, other_value)
      end
    end
  end
  # Non-destructive version of Hash#recursive_merge method.
  def recursive_merge(other_hash, &blk)
    clone.recursive_merge!(other_hash, &blk)
  end
end

module ConfigHash
  def recursive_store(key, value, other_value)
    unless (key.to_sym == :layout || key.to_sym == :config)
      if(value.class == Hash && other_value.class == Hash)
        value.extend ConfigHash
        other_value.extend ConfigHash
        value.recursive_merge other_value
      elsif(value.class == Array && other_value.class == Array)
        value.concat(other_value)
      elsif(value.class == String && other_value.class == Array)
        value.to_a.concat(other_value)
      elsif(value.class == Array && other_value.class == String)
        value << other_value
      else
        store(key, other_value)
      end
    else
      if(value.class == Hash && other_value.class == Hash)
        value.recursive_merge other_value
      else
        store(key, other_value)
      end
    end
  end
end