Class: Struct

Inherits:
Object show all
Defined in:
lib/rbyaml/rubytypes.rb

Direct Known Subclasses

RbYAML::Node, RbYAML::ScalarAnalysis

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.yaml_new(klass, tag, val) ⇒ Object 



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# File 'lib/rbyaml/rubytypes.rb', line 55

def self.yaml_new( klass, tag, val )
  if Hash === val
    struct_type = nil
    
    #
    # Use existing Struct if it exists
    #
    props = {}
    val.delete_if { |k,v| props[k] = v if k =~ /^@/ }
    begin
      struct_name, struct_type = RbYAML.read_type_class( tag, Struct )
    rescue NameError
    end
    if !struct_type
      struct_def = [ tag.split( /:/, 4 ).last ]
      struct_type = Struct.new( *struct_def.concat( val.keys.collect { |k| k.intern } ) ) 
    end
  
    #
    # Set the Struct properties
    #
    st = RbYAML::object_maker( struct_type, {} )
    st.members.each do |m|
      st.send( "#{m}=", val[m] )
    end
    props.each do |k,v|
      st.instance_variable_set(k, v)
    end
    st
  else
    raise RbYAML::TypeError, "Invalid Ruby Struct: " + val.inspect
  end
end

.yaml_tag_class_name ⇒ Object 



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# File 'lib/rbyaml/rubytypes.rb', line 53

def self.yaml_tag_class_name; self.name.gsub( "Struct::", "" ); end

.yaml_tag_read_class(name) ⇒ Object 



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# File 'lib/rbyaml/rubytypes.rb', line 54

def self.yaml_tag_read_class( name ); "Struct::#{ name }"; end

Instance Method Details

#to_yaml_node(repr) ⇒ Object 



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# File 'lib/rbyaml/rubytypes.rb', line 88

def to_yaml_node( repr)
  RbYAML::quick_emit_node( object_id, repr ) do |out|
    mep = {}
    self.members.each do |m|
      mep[m] = self[m]
    end
    self.to_yaml_properties.each do |m|
      mep[m]=instance_variable_get( m )
    end
    
    #
    # Basic struct is passed as a YAML map
    #
    out.map( taguri, mep, to_yaml_style )
  end
end