Module: DevBall::PkgSpec

Defined in:
lib/devball/pkgspec/djb.rb,
lib/devball/pkgspec/gem.rb,
lib/devball/pkgspec/base.rb,
lib/devball/pkgspec/pecl.rb,
lib/devball/pkgspec/simple_dir.rb

Defined Under Namespace

Classes: Base, BuildFailed, ConfigureFailed, Djb, Error, ExtractFailed, Gem, InstallFailed, PackageLoadError, Pecl, RemoveFailed, SimpleDir, Undefined

Class Method Summary collapse

Class Method Details

.const_missing(name) ⇒ Object

Autoload arbitrary devball pkgspec-types through const_missing



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# File 'lib/devball/pkgspec/base.rb', line 28

def self.const_missing(name)
  autoloading = (Thread.current[:autoloading] ||= {})
  if (autoloading[name])
    raise NameError, "uninitialized constant DevBall::PkgSpec::#{name} (autoload already tried to find it)"
  end
  autoloading[name] = true
  
  begin
    filename = name.to_s.gsub(/^[A-Z]/) {|a| a.downcase }.gsub(/[A-Z]/) {|a| "_#{a.downcase}" }
    require 'devball/pkgspec/' + filename
    if (!const_defined?(name))
      raise NameError, "uninitialized constant DevBall::PkgSpec::#{name} (autoload found file but file did not define class)"
    end
    return const_get(name)
  rescue LoadError
    raise NameError, "uninitialized constant DevBall::PkgSpec::#{name} (autoload failed to find matching file)"       
  ensure
    autoloading[name] = false
  end
end