Class: Babl::Rendering::TerminalValueNode

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/babl/rendering/terminal_value_node.rb

Overview

A TerminalValueNode node is always implicitely added to the end of the chain during compilation. It basically ensures that the output contains only primitives, arrays and hashes.

Instance Method Summary collapse

Instance Method Details

#dependencies ⇒ Object 



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# File 'lib/babl/rendering/terminal_value_node.rb', line 15

def dependencies
    {}
end

#documentation ⇒ Object 



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# File 'lib/babl/rendering/terminal_value_node.rb', line 11

def documentation
    :__value__
end

#pinned_dependencies ⇒ Object 



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# File 'lib/babl/rendering/terminal_value_node.rb', line 19

def pinned_dependencies
    {}
end

#render(ctx) ⇒ Object 



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# File 'lib/babl/rendering/terminal_value_node.rb', line 23

def render(ctx)
    render_object(ctx.object)
end

#render_object(obj) ⇒ Object 



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# File 'lib/babl/rendering/terminal_value_node.rb', line 27

def render_object(obj)
    case obj
    when String, Numeric, NilClass, TrueClass, FalseClass then obj
    when Hash then render_hash(obj)
    when Array then render_array(obj)
    else raise Babl::RenderingError, "Only primitives can be serialized: #{obj}"
    end
end