Class: Fabulator::Exhibit::Lib

Inherits:
TagLib
  • Object
show all
Defined in:
lib/fabulator/exhibit/lib.rb

Constant Summary collapse

@@databases = 
{ }

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.add_info(nom, t, item) ⇒ Object 



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# File 'lib/fabulator/exhibit/lib.rb', line 52

def self.add_info(nom, t, item)
  @@databases ||= {}
  @@databases[nom] ||= self.fetch_database(nom)
  @@databases[nom][t][item['id']] ||= { }
  @@databases[nom][t][item['id']].merge!(item)
  @@databases[nom][t][item['id']].each_pair do |k,v|
    if v.nil? || (v.is_a?(Array) && v.empty?) ||
       v.is_a?(String) && v == ""
      @@databases[nom][t][item['id']].delete(k)
    end
  end
  case t
    when :types, :properties
      @@databases[nom][t][item['id']].delete(:id)
  end
end

.fetch_database(nom) ⇒ Object

should set up an empty database with :items, :types, and :properties



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# File 'lib/fabulator/exhibit/lib.rb', line 30

def self.fetch_database(nom)
  raise "fetch_database is not implemented by the framework."
end

.get_database(nom) ⇒ Object 



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# File 'lib/fabulator/exhibit/lib.rb', line 38

def self.get_database(nom)
  @@databases[nom] ||= self.fetch_database(nom)
end

.remove_info(nom, t, id) ⇒ Object 



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# File 'lib/fabulator/exhibit/lib.rb', line 69

def self.remove_info(nom, t, id)
  @@databases[nom] ||= self.fetch_database(nom)
  return if @@databases[nom][t].empty?
  @@databases[nom][t].delete(id)
end

.set_database(nom, data) ⇒ Object 



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# File 'lib/fabulator/exhibit/lib.rb', line 42

def self.set_database(nom, data)
  @@databases[nom] = data
end

.store_database(nom, data) ⇒ Object 



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# File 'lib/fabulator/exhibit/lib.rb', line 34

def self.store_database(nom, data)
  raise "store_database is not imeplemented by the framework."
end

.store_databases ⇒ Object 



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# File 'lib/fabulator/exhibit/lib.rb', line 46

def self.store_databases
  @@databases.keys.each do |k|
    self.store_database(k, @@databases[k])
  end
end

Instance Method Details

#items ⇒ Object

need to make this an iterator



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# File 'lib/fabulator/exhibit/lib.rb', line 96

function 'items' do |ctx, args|
  nom = ctx.attribute(EXHIBIT_NS, 'database', { :inherited => true, :static => true })
  db = Fabulator::Exhibit::Lib.get_database(nom)
  ret = ctx.root.anon_node(nil)
  db[:items].each_pair{ |id, item|
    i = ret.create_child(id, nil)
    item.each_pair do |k,v|
      next if k == "id"
      v = [ v ] unless v.is_a?(Array)
      v.each do |vv|
        i.create_child(k,vv)
      end
    end
  }
  [ ret ]
end