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Contents
module HaveAPI::Fs
# The Factory is used to create instances of new components and can be used
# to replace specific components by different ones, thus allowing to change
# their behaviour.
class Factory
class << self
# @!attribute replacements
# @return [Hash] collection of all replacements
attr_accessor :replacements
# Replace a component class by a different class. This method has two
# forms. Either call it with a hash of replacements or with two arguments,
# where the first is the class to be replaced and the second the class
# to replace it with.
def replace(*args)
@replacements ||= {}
if args.size == 2
@replacements[args[0]] = args[1]
else
@replacements.update(args.first)
end
end
# Resolves the class for component `klass`, i.e. it checks if there is a
# replacement for `klass` to return instead.
#
# @return [Class]
def component(klass)
if @replacements && @replacements.has_key?(klass)
@replacements[klass]
else
klass
end
end
# Create a new component with `klass` and its constructor's arguments
# in `args`.
#
# @param [HaveAPI::Fs::Context] context
# @param [Symbol] name
# @param [Class] klass
# @param [Array] args
# @return [Component]
def create(context, name, klass, *args)
child = component(klass).new(*args)
c_name = klass.component || klass.name.split('::').last.underscore.to_sym
child.context = context.clone
child.context[c_name] = child
child.context.file_path << name.to_s if name
child.setup
child
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems