Ruby Modelling and Generator Framework
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README.rdoc

RGen - Ruby Modelling and Generator Framework

RGen is a framework for Model Driven Software Development (MDSD)in Ruby. This means that it helps you build Metamodels, instantiate Models, modify and transform Models and finally generate arbitrary textual content from it.

RGen features include:

  • Supporting Ruby 1.8.7, 1.9.x, 2.0, 2.1, 2.2

  • Metamodel definition language (internal Ruby DSL)

  • ECore Meta-metamodel with an ECore instance available for every Metamodel

  • Generator creating the Ruby metamodel definition from an ECore instance

  • Transformer creating Ruby metamodel classes/modules from an ECore instance

  • Instantiation of Metamodels, i.e. creation of Models (e.g. from XML)

  • Model builder, internal Ruby DSL

  • Model fragmentation over several several files and per-fragment caching

  • Model Transformation language (internal Ruby DSL)

  • Powerful template based generator language (internal Ruby DSL inside of ERB)

  • UML 1.3 metamodel and XMI 1.1 instantiator included

  • ECore XML support (XMI 2.0)

  • UML-to-ECore and ECore-to-UML transformation (UML class models)

  • Enterprise Architect support (UML1.3/XMI1.1)

Download

Get the latest release from Github: github.com/mthiede/rgen

Installation

Install RGen as a Ruby gem:

gem install rgen

Running the Tests

Change to the 'test' folder and run the test suite:

cd test
ruby rgen_test.rb

Documentation

RDoc documentation is available at Github: mthiede.github.com/rgen/

Find the main documentation parts for:

  • RGen::MetamodelBuilder

  • RGen::Transformer

  • RGen::TemplateLanguage

  • RGen::Fragment::FragmentedModel

Examples

There are several examples of using RGen within the framework itself.

Metamodel Definition:

lib/rgen/ecore/ecore.rb
lib/metamodels/uml13_metamodel.rb

Instantiation:

lib/rgen/instantiator/xmi11_instantiator.rb
lib/rgen/instantiator/ecore_xml_instantiator.rb

Transformations:

lib/rgen/ecore/ruby_to_ecore.rb
lib/transformers/uml13_to_ecore.rb

Generators:

lib/mmgen/metamodel_generator.rb

License

RGen is released under the MIT license.