Module: Utils::Hasher

Included in:
AwsMust::AwsMust
Defined in:
lib/utils/hasher.rb

Instance Method Summary collapse

Instance Method Details

#addComma(obj) ⇒ Object

adds comma hash in arrays deeply in obj-hash



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# File 'lib/utils/hasher.rb', line 58

def addComma( obj )

  if ( obj.is_a?(Hash) ) 

    obj2 = dfs(obj) do |o| 
      o.each do |k,v| 
        if v.is_a? Array
          # add _comma = ',', expect to the 
          v.slice(0,v.length-1).each do |elem|
            elem["_comma"] = "," if elem.is_a? Hash
          end
          # add _comma = '' to the last element
          v.last["_comma"] = "" if  v.last.is_a? Hash
        end
      end
    end # block

    obj = obj2

  end

  
  return obj
end

#dfs(hsh) {|hsh| ... } ⇒ Object

see stackoverflow.com/questions/3748744/traversing-a-hash-recursively-in-ruby

Yields:

  • (hsh) 


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# File 'lib/utils/hasher.rb', line 37

def dfs(hsh, &blk)
  return enum_for(:dfs, hsh) unless blk

  # no change unless a hash
  return hsh unless hsh.is_a? Hash

  yield hsh
  hsh.each do |k,v|
    if v.is_a? Array
      v.each do |elm|
        dfs(elm, &blk)
      end
    elsif v.is_a? Hash
      dfs(v, &blk)
    end
  end
  return hsh
  # nil
end