Class: ActiveHashFields::HashAsObject

Inherits:
Object
  • Object
show all
Defined in:
lib/active_hash_fields.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(hash, defaults = {}) ⇒ HashAsObject

Returns a new instance of HashAsObject.



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# File 'lib/active_hash_fields.rb', line 7

def initialize(hash, defaults={})
  hash ||= {}
  defaults.stringify_keys!; hash.stringify_keys!
  @defaults = defaults
  @hash     = defaults.merge(hash)
  @hash.each { |k,v| @hash[k] = convert_to_correct_type(k,v) }
  @hash.delete_if { |k,v| defaults[k].nil? }
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &blk) ⇒ Object 



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# File 'lib/active_hash_fields.rb', line 16

def method_missing(name, *args, &blk)
  name = name.to_s
  if @hash
    if @hash.has_key?(name)
      return @hash[name]
    elsif name.match(/=$/)
      k = name.sub(/=$/, "")
      if @hash.has_key?(k)
        @hash[k] = convert_to_correct_type(k, args[0])
      end
    end
  else
    return @hash.send(name, *args, &blk)
  end
  nil
end

Instance Attribute Details

#hash ⇒ Object (readonly)

Returns the value of attribute hash.



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# File 'lib/active_hash_fields.rb', line 5

def hash
  @hash
end

Instance Method Details

#convert_to_correct_type(k, v) ⇒ Object 



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# File 'lib/active_hash_fields.rb', line 33

def convert_to_correct_type(k,v)
  if @defaults[k] == false || @defaults[k] == true
    if (v == "1" || v == "true" || v == true)
      true
    elsif v == "0" || v == "false" || v == false
      false
    end
  elsif @defaults[k].kind_of?(Numeric)
    if @defaults[k] =~ /\./
      v.to_f
    else
      v.to_i
    end 
  else
    v
  end
end