`class Loader`

Loads the teapot.rb script and can reload it if it was changed.

Definitions

`def initialize(context, package, path = TEAPOT_FILE)`

Initialize a new loader.

Signature

parameter　context　Context: The project context.
parameter　package　Package: The package.
parameter　path　String: The teapot file path.

Implementation

def initialize(context, package, path = TEAPOT_FILE)
	@context = context
	@package = package
	
	@path = path
	@mtime = nil
	
	@script, @mtime = load!
end

`def teapot_path`

The absolute path to the teapot.rb file for this package.

Signature

returns　Build::Files::Path: The teapot file path.

Implementation

def teapot_path
	@package.path + @path
end

`def changed?`

Whether the teapot file has been modified since it was loaded.

Signature

returns　Boolean: True if changed.

Implementation

def changed?
	File.mtime(teapot_path) > @mtime
end

`def reload`

Reload the loader with fresh data.

Signature

returns　Loader: A new loader instance.

Implementation

def reload
	self.class.new(@context, @package, @path)
end

`def load!(path = teapot_path)`

Load a teapot.rb file relative to the root of the @package.

Implementation

def load!(path = teapot_path)
	raise MissingTeapotError.new(path) unless File.exist?(path)
	
	script = Script.new(@context, @package)
	
	mtime = File.mtime(path)
	script.instance_eval(path.read, path.to_s)
	
	if script.version == nil
		raise IncompatibleTeapotError.new(@package, "<unspecified>")
	end
	
	return script, mtime
end