Class: Traverse

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/traverse.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(json) ⇒ Traverse

Returns a new instance of Traverse.



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# File 'lib/traverse.rb', line 14

def initialize json
  @json = json
end

Instance Attribute Details

#json ⇒ Object (readonly)

Returns the value of attribute json.



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# File 'lib/traverse.rb', line 4

def json
  @json
end

Instance Method Details

#[](value) ⇒ Object

TODO clean this crap up



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# File 'lib/traverse.rb', line 29

def [] value
  value = value.to_s
  if values = value.split("/") and values.size > 1
    str = values.map { |v| "['#{v}']" }.join
    code = "self#{str}"
    return eval(code)
  end
  result = 
    if @json.class == Array
      @json.find do |key| 
        if key.class == Array
          if key.first.class == Array
            if key.first.first == "$"
              key.first.last == value
            end
          elsif key.first.class == String
            key.first == value
          end
        end
      end
    else
      @json[value] || @json["@#{value}"]
    end
  if result
    if result.class == Hash
      result = result["$"] || result
    end
  end
  if result.class == Hash || result.class == Array
    result = Traverse.new(result)
  else
    result
  end
  return result if result
  return Traverse.new([])
end

#blank? ⇒ Boolean Also known as: empty?

Returns:

  • (Boolean) 


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# File 'lib/traverse.rb', line 22

def blank?
  size == 0
end

#each ⇒ Object 



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# File 'lib/traverse.rb', line 6

def each
  @json.each { |j| yield Traverse.new(j) }
end

#multiple? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/traverse.rb', line 10

def multiple?
  @json.class == Array
end

#size ⇒ Object 



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# File 'lib/traverse.rb', line 18

def size
  @json.size
end