Module: Transformer

Defined in:
lib/transformer.rb

Defined Under Namespace

Modules: Base Classes: AmbiguousTransformerError, TemplateNotFoundError, TransformerNotFoundError

Class Method Summary collapse

Class Method Details

.create_transformer(subject) ⇒ Object

Raises:



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# File 'lib/transformer.rb', line 35

def self.create_transformer(subject)
  transformers = Transformer.registered_transformers.select do |transformer|
    transformer.matches?(subject)
  end
  raise Transformer::TransformerNotFoundError  if transformers.size == 0
  raise Transformer::AmbiguousTransformerError if transformers.size > 1
  transformers.first.new(subject)
end

.registered_transformers ⇒ Object 



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# File 'lib/transformer.rb', line 11

def self.registered_transformers
  @registered_transformers ||= []
end

.template_root ⇒ Object 



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# File 'lib/transformer.rb', line 15

def self.template_root
  if Object.const_defined?('Merb')
    Pathname(Merb.root) + 'app/templates'
  elsif Object.const_defined?('Rails')
    Pathname(Rails.root) + 'app/templates'
  else
    Pathname("templates").expand_path
  end
end

.transformer_root ⇒ Object 



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# File 'lib/transformer.rb', line 25

def self.transformer_root
  if Object.const_defined?('Merb')
    Pathname(Merb.root) + 'app/transformers'
  elsif Object.const_defined?('Rails')
    Pathname(Rails.root) + 'app/transformers'
  else
    Pathname("transformers").expand_path
  end
end