Class: JMESPath::Nodes::Chain Private

Inherits:
Object
  • Object
show all
Defined in:
lib/jmespath/nodes/subexpression.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

API:

  • private

Instance Method Summary collapse

Constructor Details

#initialize(children) ⇒ Chain

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of Chain.

API:

  • private



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# File 'lib/jmespath/nodes/subexpression.rb', line 38

def initialize(children)
  @children = children
end

Instance Method Details

#optimize ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

API:

  • private



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# File 'lib/jmespath/nodes/subexpression.rb', line 48

def optimize
  children = @children.map(&:optimize)
  index = 0
  while index < children.size - 1
    if children[index].chains_with?(children[index + 1])
      children[index] = children[index].chain(children[index + 1])
      children.delete_at(index + 1)
    else
      index += 1
    end
  end
  Chain.new(children)
end

#visit(value) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

API:

  • private



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# File 'lib/jmespath/nodes/subexpression.rb', line 42

def visit(value)
  @children.reduce(value) do |v, child|
    child.visit(v)
  end
end