Class: SparkleFormation::Sparkle

Inherits:
Object
  • Object
show all
Includes:
Bogo::Memoization
Defined in:
lib/sparkle_formation/sparkle.rb

Direct Known Subclasses

SparkleCollection

Constant Summary collapse

VALID_ROOT_DIRS =

Valid directories from cwd to set as root

[
  'sparkleformation',
  'sfn',
  'cloudformation',
  'cfn',
  '.'
]
DIRS =

Reserved directories

[
  'components',
  'registry',
  'dynamics'
]
TYPES =

Valid types

Smash.new(
  'component' => 'components',
  'registry' => 'registries',
  'dynamic' => 'dynamics',
  'template' => 'templates'
)
@@_pack_registry = 
Smash.new

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ self

Create new sparkle instance

Parameters:

  • args (Hash) (defaults to: {})

Options Hash (args):

  • :root (String) —

    path to sparkle directories

  • :name (String, Symbol) —

    registered pack name



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# File 'lib/sparkle_formation/sparkle.rb', line 200

def initialize(args={})
  if(args[:name])
    @root = self.class.path(args[:name])
  else
    @root = args.fetch(:root, locate_root)
  end
  unless(File.directory?(@root))
    raise Errno::ENOENT.new("No such directory - #{@root}")
  end
  @raw_data = Smash.new(
    :dynamic => [],
    :component => [],
    :registry => []
  )
  @wrapper = eval_wrapper.new
  wrapper.part_data(raw_data)
  load_parts!
end

Instance Attribute Details

#raw_data ⇒ Smash (readonly)

Returns raw part data.

Returns:

  • (Smash) —

    raw part data



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# File 'lib/sparkle_formation/sparkle.rb', line 192

def raw_data
  @raw_data
end

#root ⇒ String (readonly)

Returns path to sparkle directories.

Returns:

  • (String) —

    path to sparkle directories



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# File 'lib/sparkle_formation/sparkle.rb', line 190

def root
  @root
end

Class Method Details

.path(name) ⇒ String

Return the path to the SparkePack registered with the given name

Parameters:

  • name (String, Symbol) —

    name of pack

Returns:

  • (String) —

    path



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# File 'lib/sparkle_formation/sparkle.rb', line 52

def path(name)
  if(@@_pack_registry[name])
    @@_pack_registry[name]
  else
    raise KeyError.new "No pack registered with requested name: #{name}!"
  end
end

.register!(name = nil, path = nil) ⇒ Array<String:name, String:path>

Register a SparklePack for short name access

Parameters:

  • name (String, Symbol) (defaults to: nil) —

    name of pack

  • path (String) (defaults to: nil) —

    path to pack

Returns:

  • (Array<String:name, String:path>) 


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# File 'lib/sparkle_formation/sparkle.rb', line 15

def register!(name=nil, path=nil)
  unless(path)
    idx = caller.index do |item|
      item.end_with?("`register!'")
    end
    if(idx)
      file = caller[idx.next].split(':', 2).first
      path = File.join(File.dirname(file), 'sparkleformation')
      unless(File.directory?(path))
        path = nil
      end
      unless(name)
        name = File.basename(caller[idx.next].split(':', 2).first)
        name.sub!(File.extname(name), '')
      end
    end
  end
  unless(name)
    if(path)
      name = path.split(File::PATH_SEPARATOR)[-3].to_s
    end
  end
  unless(path)
    raise ArgumentError.new('No SparklePack path provided and failed to auto-detect!')
  end
  unless(name)
    raise ArgumentError.new('No SparklePack name provided and failed to auto-detect!')
  end
  @@_pack_registry[name] = path
  [name, path]
end

Instance Method Details

#components ⇒ Smash<name:block>

Returns:

  • (Smash<name:block>) 


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# File 'lib/sparkle_formation/sparkle.rb', line 220

def components
  memoize(:components) do
    Smash.new
  end
end

#dynamics ⇒ Smash<name:block>

Returns:

  • (Smash<name:block>) 


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# File 'lib/sparkle_formation/sparkle.rb', line 227

def dynamics
  memoize(:dynamics) do
    Smash.new
  end
end

#eval_wrapper ⇒ Object

Wrapper for evaluating sfn files to store within sparkle container and remove global application



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# File 'lib/sparkle_formation/sparkle.rb', line 64

def eval_wrapper
  klass = Class.new(BasicObject)
  klass.class_eval("    def require(*args)\n      ::Kernel.require *args\n    end\n\n    class SparkleFormation\n\n      attr_accessor :sparkle_path\n\n      class << self\n\n        def part_data(data=nil)\n          if(data)\n            @data = data\n          else\n            @data\n          end\n        end\n\n        def dynamic(name, args={}, &block)\n          part_data[:dynamic].push(\n            ::Smash.new(\n              :name => name,\n              :block => block,\n              :args => Smash[\n                args.map(&:to_a)\n              ],\n              :type => :dynamic\n            )\n          ).last\n        end\n\n        def build(&block)\n          part_data[:component].push(\n            ::Smash.new(\n              :block => block,\n              :type => :component\n            )\n          ).last\n        end\n\n        def component(name, &block)\n          part_data[:component].push(\n            ::Smash.new(\n              :name => name,\n              :block => block,\n              :type => :component\n            )\n          ).last\n        end\n\n        def dynamic_info(*args)\n          Smash.new(:metadata => {}, :args => {})\n        end\n\n      end\n\n      def initialize(*args)\n        SparkleFormation.part_data[:template].push(\n          ::Smash.new(\n            :name => args.first\n          )\n        )\n        raise TypeError\n      end\n\n      class Registry\n\n        def self.register(name, &block)\n          SparkleFormation.part_data[:registry].push(\n            ::Smash.new(\n              :name => name,\n              :block => block,\n              :type => :registry\n            )\n          ).last\n        end\n\n      end\n      SfnRegistry = Registry\n\n    end\n    ::Object.constants.each do |const|\n      unless(self.const_defined?(const))\n        next if const == :Config # prevent warning output\n        self.const_set(const, ::Object.const_get(const))\n      end\n    end\n\n    def part_data(arg)\n      SparkleFormation.part_data(arg)\n    end\n    EOS\n  )\n  klass\nend\n"

#get(type, name) ⇒ Smash

Request item from the store

Parameters:

  • type (String, Symbol) —

    item type (see: TYPES)

  • name (String, Symbol) —

    name of item

Returns:

  • (Smash) —

    requested item



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# File 'lib/sparkle_formation/sparkle.rb', line 278

def get(type, name)
  unless(TYPES.keys.include?(type.to_s))
    raise NameError.new "Invalid type requested (#{type})! Valid types: #{TYPES.join(', ')}"
  end
  result = send(TYPES[type])[name]
  if(result.nil? && TYPES[type] == 'templates')
    result = (
      send(TYPES[type]).detect{|k,v|
        name = name.to_s
        short_name = v[:path].sub(/#{Regexp.escape(root)}\/?/, '')
        v[:path] == name ||
        short_name == name ||
        short_name.sub('.rb', '').gsub(File::SEPARATOR, '__').tr('-', '_') == name ||
        v[:path].end_with?(name)
      } || []
    ).last
  end
  unless(result)
    klass = Error::NotFound.const_get(type.capitalize)
    raise klass.new("No #{type} registered with requested name (#{name})!", :name => name)
  end
  result
end

#inspect ⇒ String

Returns:

  • (String) 


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# File 'lib/sparkle_formation/sparkle.rb', line 303

def inspect
  "<SparkleFormation::Sparkle [root: #{root.inspect}]>"
end

#registries ⇒ Smash<name:block>

Returns:

  • (Smash<name:block>) 


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# File 'lib/sparkle_formation/sparkle.rb', line 234

def registries
  memoize(:registries) do
    Smash.new
  end
end

#templates ⇒ Smash<name:path>

Returns:

  • (Smash<name:path>) 


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# File 'lib/sparkle_formation/sparkle.rb', line 241

def templates
  memoize(:templates) do
    Smash.new.tap do |hash|
      Dir.glob(File.join(root, '**', '**', '*.{json,rb}')) do |path|
        slim_path = path.sub("#{root}/", '')
        next if DIRS.include?(slim_path.split('/').first)
        data = Smash.new(:template => [])
        t_wrap = eval_wrapper.new
        t_wrap.part_data(data)
        if(slim_path.end_with?('.rb'))
          begin
            t_wrap.instance_eval(IO.read(path), path, 1)
          rescue TypeError
          end
        end
        data = data[:template].first || Smash.new
        unless(data[:name])
          data[:name] = slim_path.tr('/', '__').sub(/\.(rb|json)$/, '')
        end
        hash[data[:name]] = data.merge(
          Smash.new(
            :type => :template,
            :path => path,
            :serialized => !path.end_with?('.rb')
          )
        )
      end
    end
  end
end