Class: SQL::Composer::Tokens

Inherits:
Object
  • Object
show all
Includes:
Dry::Core::Constants
Defined in:
lib/sql/composer/tokens.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data: {}, counter: 0) ⇒ Tokens

Returns a new instance of Tokens.



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# File 'lib/sql/composer/tokens.rb', line 10

def initialize(data: {}, counter: 0)
  @data = data
  @counter = counter
end

Instance Attribute Details

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/sql/composer/tokens.rb', line 8

def data
  @data
end

Instance Method Details

#add(key, node) ⇒ Object 



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# File 'lib/sql/composer/tokens.rb', line 15

def add(key, node)
  data[key[1..-2].to_sym] = [node.id, Undefined]
  self
end

#new ⇒ Object 



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# File 'lib/sql/composer/tokens.rb', line 26

def new
  self.class.new(data: data.dup, counter: @counter)
end

#next_id ⇒ Object 



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# File 'lib/sql/composer/tokens.rb', line 35

def next_id
  @counter += 1
end

#set(key, value) ⇒ Object 



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# File 'lib/sql/composer/tokens.rb', line 20

def set(key, value)
  tuple = [data[key][0], value]
  data[key] = tuple
  self
end

#value(id, default) ⇒ Object 



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# File 'lib/sql/composer/tokens.rb', line 30

def value(id, default)
  entry = data.detect { |_, (node_id, value)| node_id.equal?(id) }
  entry ? entry[1][1] : default
end