Class: Twig::Node::If

Inherits:
Base
  • Object
show all
Defined in:
lib/twig/node/if.rb

Instance Attribute Summary

Attributes inherited from Base

#attributes, #lineno, #nodes, #source_context, #tag

Instance Method Summary collapse

Methods inherited from Base

#empty?, #length, #template_name, #to_s

Constructor Details

#initialize(tests, else_node, lineno) ⇒ If

Returns a new instance of If.



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# File 'lib/twig/node/if.rb', line 6

def initialize(tests, else_node, lineno)
  nodes = { tests: }
  nodes[:else] = else_node if else_node

  super(nodes, {}, lineno)
end

Instance Method Details

#compile(compiler) ⇒ Object 



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# File 'lib/twig/node/if.rb', line 13

def compile(compiler)
  compiler.add_debug_info(self)

  (0...nodes[:tests].nodes.length).step(2).each do |i|
    if i.zero?
      compiler.
        raw("\n").
        write('if (')
    else
      compiler.
        outdent.
        write('elsif (')
    end

    compiler.
      raw('::Twig::Extension::Core.bool(').
      subcompile(nodes[:tests].nodes[i]).
      raw("))\n").
      indent

    if nodes[:tests].nodes.key?(i + 1)
      compiler.
        subcompile(nodes[:tests].nodes[i + 1])
    end
  end

  if nodes.key?(:else)
    compiler.
      outdent.
      write("else\n").
      indent.
      subcompile(nodes[:else])
  end

  compiler.
    outdent.
    write("end\n\n")
end