Class: JStruct::JClass

Inherits:
Object show all
Extended by:
Forwardable
Defined in:
lib/jstruct/jclass.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(attributes) ⇒ JClass

Returns a new instance of JClass.



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# File 'lib/jstruct/jclass.rb', line 44

def initialize(attributes)
  attributes.each do |member, value|
    send(:"#{member}=", value)
  end
end

Class Method Details

.from(data) ⇒ Object 



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# File 'lib/jstruct/jclass.rb', line 8

def self.from(data)
  case data
  when String     then from(JSON.parse(data))
  when Hash       then from_hash(data)
  when Enumerable then data.map {|o| from(o) }
  when NilClass   then nil
  else raise("Can't parse a #{data.class} into a #{self}")
  end
end

.from_hash(hash) ⇒ Object 



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# File 'lib/jstruct/jclass.rb', line 18

def self.from_hash(hash)
  attributes = hash.inject({}) do |h, (member, value)|
    if complex_members.keys.include?(member.to_sym)
      klass = complex_members[member.to_sym]
      value = klass.from(value)
    end
  h.update(member.to_sym => value)
  end

  new(attributes)
end

.inherited(klass) ⇒ Object 



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# File 'lib/jstruct/jclass.rb', line 30

def self.inherited(klass)
  %w[ simple_members complex_members ].each do |accessor|
    klass.class_eval("def self.#{accessor} ; @@#{accessor} ; end", __FILE__, __LINE__ + 1)
    klass.class_eval("def self.#{accessor}=(val) ; @@#{accessor} = val ; end", __FILE__, __LINE__ + 1)
  end
end

.set_members!(simple_members, complex_members) ⇒ Object 



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# File 'lib/jstruct/jclass.rb', line 37

def self.set_members!(simple_members, complex_members)
  self.simple_members  = simple_members
  self.complex_members = complex_members

  attr_accessor(*(simple_members + complex_members.keys))
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/jstruct/jclass.rb', line 64

def ==(other)
  members.all? {|member| send(member) == other.send(member) }
end

#members ⇒ Object 



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# File 'lib/jstruct/jclass.rb', line 50

def members
  self::class.simple_members + self::class.complex_members.keys
end

#to_hash ⇒ Object 



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# File 'lib/jstruct/jclass.rb', line 54

def to_hash
  members.inject({}) {|h, k| h.update(k => send(k.to_sym)) }
end

#to_s ⇒ Object Also known as: inspect 



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# File 'lib/jstruct/jclass.rb', line 58

def to_s
  "#<jstruct #{self.class.inspect} #{to_hash.inspect} >"
end