Class: RXSD::RubyClassBuilder

Inherits:
ClassBuilder show all
Defined in:
lib/rxsd/builders/ruby_class.rb

Overview

Implements the RXSD::ClassBuilder interface to build Ruby Classes from a xsd schema

Instance Attribute Summary

Attributes inherited from ClassBuilder

#associated_builder, #attribute_builders, #attribute_name, #base_builder, #klass, #klass_name

Instance Method Summary collapse

Methods inherited from ClassBuilder

#associated, #base=, #clone, #initialize

Constructor Details

This class inherits a constructor from RXSD::ClassBuilder

Instance Method Details

#build ⇒ Object

implementation of RXSD::ClassBuilder::build



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# File 'lib/rxsd/builders/ruby_class.rb', line 13

def build
   # return if already built
   return @klass unless @klass.nil?

   # need the class name to build class
   return nil    if @klass_name.nil?

   # return if we can find constant corresponding to class name
   if Object.constants.include? @klass_name
     @klass = @klass_name.constantize
     return @klass
   end

   Logger.debug "building class #{@klass}/#{@klass_name} from xsd"

   # determine object's superclass, creating it if need be
   superclass = Object
   unless @base_builder.nil?
     if @base_builder.klass.nil?
       @base_builder = RubyClassBuilder.new(:builder => @base_builder)
       @base_builder.build
     end
     superclass = @base_builder.klass
   end

   # create class
   Object.const_set(@klass_name, Class.new(superclass))
   @klass = @klass_name.constantize

   # FIXME should only do this if the klass corresponds to a simple type
   @klass.class_method :from_s do |str|
         new(:superclass_value => superclass.from_s(str))
   end
   @klass.send :define_method, :initialize do |*args|
     args = args.first || Hash.new
     if !args.nil? && args.has_key?(:superclass_value)
        if Parser.is_builtin? superclass
           super(args[:superclass_value])
        else
           super(:superclass_value => args[:superclass_value])
        end
     end
   end

   # define accessors for attributes
   @attribute_builders.each { |atb|
     unless atb.nil?
       att_name = nil
       if !atb.attribute_name.nil?
          att_name = atb.attribute_name.underscore
       elsif !atb.klass_name.nil?
          att_name = atb.klass_name.underscore
       elsif !atb.klass.nil?
          att_name = atb.klass.to_s.underscore
       end

       @klass.send :attr_accessor,  att_name.intern unless att_name.nil?
     end
   }

   Logger.debug "class #{@klass} built, returning"
   return @klass
end