[ANN] ffi-swig-generator 0.3.0

A

Andrea Fazzi

ffi-swig-generator version 0.3.0
by Andrea Fazzi
http://kenai.com/projects/ruby-ffi/sources/swig-generator/show

== DESCRIPTION

ffi-swig-generator is a ruby-ffi wrapper code generator that produces
ruby-ffi glue code parsing C header files through SWIG.

ffi-swig-generator is able to traverse an XML parse tree generated by
the +swig+ command and to produce a ruby-ffi code from it.

ffi-swig-generator is shipped with a command line tool and a rake task
that automates the code generation process.

ffi-swig-generator XML capabilities are provided by nokogiri.

== CHANGES

* Major enhancements
* Generate accessors methods for struct fields of type string and
callback.
* Add experimental support for nested structs and unions.
* Add initial support for configuration files.
* Minor enhancements
* Add support for variadic arguments.
* Add support for anonymous callbacks in function and struct
declaration.
* Add support for volatile types.
* Add support for U, L, UL constant qualifiers.
* Improve testing with cucumber.
* Now the rake task can be configured through a configuration block.
* Bug fixes
* Fix ruby 1.8.6/1.9.1 compatibility issues.
* Fix generated const char* return type.
* Fix a bug that prevented to manage struct name with a prepending
underscore.

== FEATURES

* The program is able to generate:
* all C native types
* #define constants
* typedefs
* struct, union, array and enum types
* callbacks (pointers to functions)
* Naive indentation of the generated code

== SYNOPSIS

From command line:

ffi-gen mylib.xml mylib.rb

From a Rakefile:

require 'ffi-swig-generator'
FFI::Generator::Task.new do |task|
task.input_fn = 'my_interface_dir/*.i'
task.output_dir = 'my_output_dir'
end

== REQUIREMENTS

* rake >= 0.8.3
* nokogiri >= 1.1.1
* swig >= 1.3

== DOWNLOAD

Download and install from rubygems:

[sudo] gem install ffi-swig-generator

or clone mercurial repository:

hg clone http://kenai.com/hg/ruby-ffi~swig-generator

== EXAMPLES

See the examples in examples/ folder.

libc.i is an interface file containing some excerpt of libc functions.

wiiuse.i is a fairly complex example of a C header file interface. It
reproduces the content of wiiuse.h, the header file of the wiiuse
library. wiiuse is a C library that handles the connection with
Nintendo Wiimote devices. The interface file is almost a mere
copy/paste from the original header file. See [1] for an updated
revision of ffi-wiiuse library.

== PROJECTS

The generator has been used to generate code for the projects
below. Take a look at them to see further usage examples.

1. http://github.com/remogatto/ffi-wiiuse/tree/master
2. http://github.com/remogatto/ffi-opengl/tree/master
3. http://github.com/remogatto/ffi-spidermonkey/tree/master
 

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