Class: Twig::TokenParser::Set

Inherits:
Base
  • Object
show all
Defined in:
lib/twig/token_parser/set.rb

Overview

Defines a variable.

{% set foo = 'foo' %}
{% set foo = [1, 2] %}
{% set foo = {'foo': 'bar'} %}
{% set foo = 'foo' ~ 'bar' %}
{% set foo, bar = 'foo', 'bar' %}
{% set foo %}Some content{% endset %}

Instance Attribute Summary

Attributes inherited from Base

#parser

Instance Method Summary collapse

Instance Method Details

#parse(token) ⇒ Object 



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# File 'lib/twig/token_parser/set.rb', line 14

def parse(token)
  lineno = token.lineno
  stream = parser.stream
  names = parse_assignment_expression
  capture = false

  if stream.next_if(Token::OPERATOR_TYPE, '=')
    values = parse_multi_target_expression

    stream.expect(Token::BLOCK_END_TYPE)

    if names.length != values.length
      raise Error::Syntax.new(
        'When using set, you must have the same number of variables and assignments',
        stream.current.lineno,
        stream.source
      )
    end
  else
    capture = true

    if names.length > 1
      raise Error::Syntax.new(
        'When using set with a block, you cannot have a multi-target',
        stream.current.lineno,
        stream.source
      )
    end

    stream.expect(Token::BLOCK_END_TYPE)
    values = parser.subparse(method(:decide_block_end), drop_needle: true)
    stream.expect(Token::BLOCK_END_TYPE)
  end

  Node::Set.new(capture, names, values, lineno)
end

#tag ⇒ Object 



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# File 'lib/twig/token_parser/set.rb', line 51

def tag
  'set'
end