Class: Babl::Nodes::Switch

Inherits:
Object
  • Object
show all
Defined in:
lib/babl/nodes/switch.rb

Instance Method Summary collapse

Constructor Details

#initialize(nodes) ⇒ Switch

Returns a new instance of Switch.

Raises:



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# File 'lib/babl/nodes/switch.rb', line 11

def initialize(nodes)
    raise Errors::InvalidTemplate, 'A least one switch() condition must be taken' if nodes.empty?
    super
end

Instance Method Details

#dependencies ⇒ Object 



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# File 'lib/babl/nodes/switch.rb', line 16

def dependencies
    nodes.flatten(1).map(&:dependencies)
        .reduce(Utils::Hash::EMPTY) { |a, b| Babl::Utils::Hash.deep_merge(a, b) }
end

#optimize ⇒ Object 



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# File 'lib/babl/nodes/switch.rb', line 35

def optimize
    optimize_condition_and_values ||
        optimize_falsy_conditions ||
        optimize_truthy_conditions ||
        optimize_always_same_outputs ||
        optimize_same_conditions ||
        self
end

#pinned_dependencies ⇒ Object 



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# File 'lib/babl/nodes/switch.rb', line 21

def pinned_dependencies
    nodes.flatten(1).map(&:pinned_dependencies)
        .reduce(Utils::Hash::EMPTY) { |a, b| Babl::Utils::Hash.deep_merge(a, b) }
end

#render(ctx) ⇒ Object

Raises:



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# File 'lib/babl/nodes/switch.rb', line 30

def render(ctx)
    nodes.each { |cond, value| return value.render(ctx) if cond.render(ctx) }
    raise Errors::RenderingError, 'A least one switch() condition must be taken'
end

#schema ⇒ Object 



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# File 'lib/babl/nodes/switch.rb', line 26

def schema
    Schema::AnyOf.canonicalized(nodes.map(&:last).map(&:schema))
end