Class: Rubuild::Env::Requirer

Inherits:
Object
  • Object
show all
Defined in:
lib/rubuild/env/requirer.rb

Overview

Rubuild::Env::Requirer Look up a set of provided entries in the environment at once.

Instance Method Summary collapse

Constructor Details

#initialize(env, req_desc) ⇒ Requirer

Returns a new instance of Requirer.



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# File 'lib/rubuild/env/requirer.rb', line 11

def initialize(env, req_desc)
  self.rubuild_env_requirer__location = 
    Rubuild::Env::Location.new(req_desc.inspect, env.build_factory)

  found_all = env.build_factory.create_dep(
    self.method(:_found_all), self.rubuild_env_requirer__location.name)

  self.location.found_dep.add_parent(found_all)

  case req_desc
  when String
    finding = Rubuild::Env::Location.new(req_desc, env.build_factory)
    env.require(req_desc, finding)
    fill_dep = env.build_factory.create_dep(
      self.method(:_found_only), "fill:#{finding.name}", finding)
    fill_dep.add_parent(finding.found_dep)
    found_all.add_parent(fill_dep)
  when Array
    self.rubuild_env_requirer__found = Array.new(req_desc.size)
    req_desc.each_with_index do |path, index|
      finding = Rubuild::Env::Location.new("#{index}:#{path}", env.build_factory)
      env.require(path, finding)
      fill_dep = env.build_factory.create_dep(
        self.method(:_found_one), "fill:#{finding.name}", index, finding)
      fill_dep.add_parent(finding.found_dep)
      found_all.add_parent(fill_dep)
    end
  when Hash
    self.rubuild_env_requirer__found = Hash.new
    req_desc.each_pair do |key, path|
      finding = Rubuild::Env::Location.new("#{key}:#{path}", env.build_factory)
      env.require(path, finding)
      fill_dep = env.build_factory.create_dep(
        self.method(:_found_one), "fill:#{finding.name}", key, finding)
      fill_dep.add_parent(finding.found_dep)
      found_all.add_parent(fill_dep)
    end
  else
    raise(ArgumentError, "Invalid key type for Rubuild::Env::Requirer.")
  end
end

Instance Method Details

#_found_all(dep) ⇒ Object 



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# File 'lib/rubuild/env/requirer.rb', line 59

def _found_all(dep)
  self.location.set_data(self.rubuild_env_requirer__found)
  self.rubuild_env_requirer__env = nil
  self.rubuild_env_requirer__found = nil
end

#_found_one(dep, key, found) ⇒ Object

Rubuild::Env::Requirer#initialize



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# File 'lib/rubuild/env/requirer.rb', line 53

def _found_one(dep, key, found)
  self.rubuild_env_requirer__found[key] = found.data
end

#_found_only(dep, found) ⇒ Object 



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# File 'lib/rubuild/env/requirer.rb', line 56

def _found_only(dep, found)
  self.rubuild_env_requirer__found = found.data
end