Class: RBlade::CompilesStatements::CompilesOnce

Inherits:
Object
  • Object
show all
Defined in:
lib/rblade/compiler/statements/compiles_once.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CompilesOnce

Returns a new instance of CompilesOnce.



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# File 'lib/rblade/compiler/statements/compiles_once.rb', line 6

def initialize
  @once_counter = 0
end

Instance Method Details

#compile_once(args) ⇒ Object 



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# File 'lib/rblade/compiler/statements/compiles_once.rb', line 10

def compile_once(args)
  if args&.count&.> 1
    raise RBladeTemplateError.new "Once statement: wrong number of arguments (given #{args.count}, expecting 0 or 1)"
  end

  once_id = args.nil? ? ":_#{@once_counter += 1}" : args[0]

  "unless @_rblade_once_tokens.include? #{once_id};@_rblade_once_tokens<<#{once_id};"
end

#compile_prepend_once(args) ⇒ Object 



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# File 'lib/rblade/compiler/statements/compiles_once.rb', line 30

def compile_prepend_once(args)
  if args&.count != 1 && args&.count != 2
    raise RBladeTemplateError.new "Prepend once statement: wrong number of arguments (given #{args&.count || 0}, expecting 1 or 2)"
  end
  @once_counter += 1
  once_id = args[1].nil? ? ":_#{@once_counter}" : args[1]

  "(@_rblade_once_tokens.include? #{once_id}) || @_rblade_once_tokens<<#{once_id} && @_rblade_stack_manager.prepend(#{args[0]}, @output_buffer) do;"
end

#compile_push_once(args) ⇒ Object 



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# File 'lib/rblade/compiler/statements/compiles_once.rb', line 20

def compile_push_once(args)
  if args&.count != 1 && args&.count != 2
    raise RBladeTemplateError.new "Push once statement: wrong number of arguments (given #{args&.count || 0}, expecting 1 or 2)"
  end
  @once_counter += 1
  once_id = args[1].nil? ? ":_#{@once_counter}" : args[1]

  "(@_rblade_once_tokens.include? #{once_id}) || @_rblade_once_tokens<<#{once_id} && @_rblade_stack_manager.push(#{args[0]}, @output_buffer) do;"
end