Class: Metanorma::Mirror::Model::Factory

Inherits:
Object
  • Object
show all
Defined in:
lib/metanorma/mirror/model/factory.rb

Overview

Semantic dispatcher: the wire's "type" and "content" shape pick the model class; deserialization itself is the framework's from_hash on the chosen class.

Constant Summary collapse

INVALID_INPUT = 
"Factory.from_hash expects a Hash, got %<class>s"
MISSING_TYPE = 
"Factory.from_hash requires a 'type' key, got %<hash>s"

Class Method Summary collapse

Class Method Details

.from_hash(hash) ⇒ Object 



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# File 'lib/metanorma/mirror/model/factory.rb', line 13

def self.from_hash(hash)
  unless hash.is_a?(Hash)
    raise ArgumentError, format(INVALID_INPUT, class: hash.class)
  end

  case hash["type"]
  when "text" then Text.from_hash(hash)
  when "soft_break" then SoftBreak.from_hash(hash)
  when nil
    raise ArgumentError, format(MISSING_TYPE, hash: hash.inspect)
  else
    if hash["content"].is_a?(Array)
      Container.from_hash(hash)
    else
      Leaf.from_hash(hash)
    end
  end
end