Class: Struct

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

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.yaml_new(klass, tag, val) ⇒ Object 



52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
 
# File 'lib/yaml/rubytypes.rb', line 52

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 = YAML.read_type_class( tag, Struct )
        rescue NameError
        end
        if not 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 = YAML::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 YAML::TypeError, "Invalid Ruby Struct: " + val.inspect
    end
end

.yaml_tag_class_name ⇒ Object 



50
 
# File 'lib/yaml/rubytypes.rb', line 50

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

.yaml_tag_read_class(name) ⇒ Object 



51
 
# File 'lib/yaml/rubytypes.rb', line 51

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

Instance Method Details

#to_yaml(opts = {}) ⇒ Object 



85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
 
# File 'lib/yaml/rubytypes.rb', line 85

def to_yaml( opts = {} )
	YAML::quick_emit( self, opts ) do |out|
		#
		# Basic struct is passed as a YAML map
		#
           out.map( taguri, to_yaml_style ) do |map|
			self.members.each do |m|
                   map.add( m, self[m] )
               end
			self.to_yaml_properties.each do |m|
                   map.add( m, instance_variable_get( m ) )
               end
           end
       end
end