Class: RbVmomi::NewDeserializer

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

Constant Summary collapse

NS_XSI = 
'http://www.w3.org/2001/XMLSchema-instance'
DEMANGLED_ARRAY_TYPES = 
{
  'AnyType' => 'xsd:anyType',
  'DateTime' => 'xsd:dateTime',
}
BUILTIN_TYPE_ACTIONS = 
{
  'xsd:string' => :string,
  'xsd:boolean' => :boolean,
  'xsd:byte' => :int,
  'xsd:short' => :int,
  'xsd:int' => :int,
  'xsd:long' => :int,
  'xsd:float' => :float,
  'xsd:dateTime' => :date,
  'PropertyPath' => :string,
  'MethodName' => :string,
  'TypeName' => :string,
  'xsd:base64Binary' => :binary,
  'KeyValue' => :keyvalue,
}

Instance Method Summary collapse

Constructor Details

#initialize(conn) ⇒ NewDeserializer 



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# File 'lib/rbvmomi/deserialization.rb', line 41

def initialize conn
  @conn = conn
  @loader = conn.class.loader
end

Instance Method Details

#deserialize(node, type = nil) ⇒ Object 



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# File 'lib/rbvmomi/deserialization.rb', line 46

def deserialize node, type=nil
  type_attr = node['type']

  # Work around for 1.5.x which doesn't populate node['type']
  # XXX what changed
  if node.attributes['type'] and not type_attr
    type_attr = node.attributes['type'].value
  end

  type = type_attr if type_attr

  if action = BUILTIN_TYPE_ACTIONS[type]
    case action
    when :string
      node.content
    when :boolean
      node.content == '1' || node.content == 'true'
    when :int
      node.content.to_i
    when :float
      node.content.to_f
    when :date
      leaf_date node
    when :binary
      leaf_binary node
    when :keyvalue
      leaf_keyvalue node
    else fail
    end
  else
    if type =~ /:/
      type = type.split(":", 2)[1]
    end
    if type =~ /^ArrayOf/
      type = DEMANGLED_ARRAY_TYPES[$'] || $'
      return node.children.select(&:element?).map { |c| deserialize c, type }
    end
    if type =~ /:/
      type = type.split(":", 2)[1]
    end

    klass = @loader.get(type) or fail "no such type '#{type}'"
    case klass.kind
    when :data
      traverse_data node, klass
    when :enum
      node.content
    when :managed
      leaf_managed node, klass
    else fail
    end
  end
end

#leaf_binary(node) ⇒ Object 



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# File 'lib/rbvmomi/deserialization.rb', line 143

def leaf_binary node
  node.content.unpack('m')[0]
end

#leaf_date(node) ⇒ Object 



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# File 'lib/rbvmomi/deserialization.rb', line 139

def leaf_date node
  Time.parse node.content
end

#leaf_keyvalue(node) ⇒ Object

XXX does the value need to be deserialized?



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# File 'lib/rbvmomi/deserialization.rb', line 148

def leaf_keyvalue node
  h = {}
  node.children.each do |child|
    next unless child.element?
    h[child.name] = child.content
  end
  [h['key'], h['value']]
end

#leaf_managed(node, klass) ⇒ Object 



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# File 'lib/rbvmomi/deserialization.rb', line 133

def leaf_managed node, klass
  type_attr = node['type']
  klass = @loader.get(type_attr) if type_attr
  klass.new(@conn, node.content)
end

#traverse_data(node, klass) ⇒ Object 



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# File 'lib/rbvmomi/deserialization.rb', line 100

def traverse_data node, klass
  obj = klass.new nil
  props = obj.props
  children = node.children.select(&:element?)
  n = children.size
  i = 0

  klass.full_props_desc.each do |desc|
    name = desc['name']
    child_type = desc['wsdl_type']

    # Ignore unknown fields
    while child = children[i] and not klass.full_props_set.member? child.name
      i += 1
    end

    if desc['is-array']
      a = []
      while ((child = children[i]) && (child.name == name))
        child = children[i]
        a << deserialize(child, child_type)
        i += 1
      end
      props[name.to_sym] = a
    elsif ((child = children[i]) && (child.name == name))
      props[name.to_sym] = deserialize(child, child_type)
      i += 1
    end
  end

  obj
end