Class: Sass::Script::Tree::ListLiteral

Inherits:

Node

• Object
• Node
• Sass::Script::Tree::ListLiteral

show all

Defined in:

.ruby-sass/lib/sass/script/tree/list_literal.rb

Overview

Instance Attribute Summary (collapse)

• #bracketed ⇒ Boolean readonly

  Whether the list is surrounded by square brackets.

• #elements ⇒ Array<Node> readonly

  The parse nodes for members of this list.

• #separator ⇒ Symbol readonly

  The operator separating the values of the list.

Attributes inherited from Node

#filename, #line, #options, #source_range

Instance Method Summary (collapse)

• #children ⇒ Object
• #deep_copy ⇒ Object
• #force_division! ⇒ Object
• #initialize(elements, separator: nil, bracketed: false) ⇒ ListLiteral constructor

  Creates a new list literal.

• #inspect ⇒ Object
• #to_sass(opts = {}) ⇒ Object

Methods inherited from Node

#perform

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# File '.ruby-sass/lib/sass/script/tree/list_literal.rb', line 26

def initialize(elements, separator: nil, bracketed: false)
  @elements = elements
  @separator = separator
  @bracketed = bracketed
end

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# File '.ruby-sass/lib/sass/script/tree/list_literal.rb', line 26

def initialize(elements, separator: nil, bracketed: false)
  @elements = elements
  @separator = separator
  @bracketed = bracketed
end

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# File '.ruby-sass/lib/sass/script/tree/list_literal.rb', line 19

def bracketed
  @bracketed
end

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# File '.ruby-sass/lib/sass/script/tree/list_literal.rb', line 8

def elements
  @elements
end

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# File '.ruby-sass/lib/sass/script/tree/list_literal.rb', line 14

def separator
  @separator
end

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# File '.ruby-sass/lib/sass/script/tree/list_literal.rb', line 33

def children; elements; end

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# File '.ruby-sass/lib/sass/script/tree/list_literal.rb', line 55

def deep_copy
  node = dup
  node.instance_variable_set('@elements', elements.map {|e| e.deep_copy})
  node
end

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# File '.ruby-sass/lib/sass/script/tree/list_literal.rb', line 67

def force_division!
  # Do nothing. Lists prevent division propagation.
end

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# File '.ruby-sass/lib/sass/script/tree/list_literal.rb', line 61

def inspect
  (bracketed ? '[' : '(') +
    elements.map {|e| e.inspect}.join(separator == :space ? ' ' : ', ') +
    (bracketed ? ']' : ')')
end

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# File '.ruby-sass/lib/sass/script/tree/list_literal.rb', line 36

def to_sass(opts = {})
  return bracketed ? "[]" : "()" if elements.empty?
  members = elements.map do |v|
    if element_needs_parens?(v)
      "(#{v.to_sass(opts)})"
    else
      v.to_sass(opts)
    end
  end

  if separator == :comma && members.length == 1
    return "#{bracketed ? '[' : '('}#{members.first},#{bracketed ? ']' : ')'}"
  end

  contents = members.join(sep_str(nil))
  bracketed ? "[#{contents}]" : contents
end