Class: EasySwig::SwigTask

Inherits:
Object
  • Object
show all
Defined in:
lib/tasks/swig_task.rb

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ SwigTask

Returns a new instance of SwigTask.



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# File 'lib/tasks/swig_task.rb', line 4

def initialize(config)
	@config = config
  @target = @config.target_file
  @header_dir = @config.headers_dir
  @out_dir = @config.output_dir
  @lang = @config.lang
  @inc_dirs = @config.includes_dir

  if Dir.exists? @out_dir
    FileUtils.rm_r @out_dir
  end
  FileUtils.mkdir_p(@out_dir)

  @log=EasySwig::Logger.swig_log @out_dir
  @log.info { "Created SWIG output directory in #{@out_dir}" }
end

Instance Method Details

#dispose ⇒ Object 



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# File 'lib/tasks/swig_task.rb', line 64

def dispose
  @log.close
end

#run_swig ⇒ Object 



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# File 'lib/tasks/swig_task.rb', line 21

def run_swig

  swig_opts=%Q{-c++ -#{@lang} -v -Wall -debug-classes} # 
  saved_dir = Dir.pwd
  output_dir = @out_dir.clone
  ifiles = []
  current_dir = nil
  if File.directory? @target
    ifiles = Dir.entries(@target).select { |entry| File.extname(entry)=='.i' }
    output_dir << "/#{File.basename(@target)}"
    current_dir = @target
  else
    ifiles << File.basename(@target)
    current_dir = ::File.dirname(@target)
  end

  ifiles.each { |f|
    @log.info "\nExecuting SWIG command for file: " + f
    target_name = File.basename(f, '.i')
    odir = output_dir + "/#{target_name}"
    FileUtils.mkdir_p(odir)
    Dir.chdir current_dir
    incs = ""
    Dir.foreach(@header_dir) { |e|
    	subdir = File.absolute_path(e, @header_dir)
    	if File.directory?(subdir)
      	incs << "-I#{subdir} "
      end
    }
    @inc_dirs.each { |idir|
      incs << "-I#{idir} "
    }
    command=%Q{swig #{swig_opts} -namespace #{target_name} -outdir #{odir} #{incs} #{f} > swig_output 2>&1}
    @log.info command
    output=IO.popen(command)
    @log.debug { 'SWIG output:' }
    @log.debug { output.readlines.join }
    output.close
    FileUtils.mv("#{File.basename(f, '.i')}_wrap.cxx", output_dir)
  }
  Dir.chdir saved_dir
end