Class: Sass::Script::List

Inherits:

Literal

• Object
• Node
• Literal
• Sass::Script::List

show all

Defined in:

/var/www/sass-pages/.sass/lib/sass/script/list.rb

Overview

Instance Attribute Summary

• - (Symbol) separator readonly The operator separating the values of the list.
• - (Array<Literal>) value (also: #children, #to_a) readonly The Ruby array containing the contents of the list.

Instance Method Summary

• - _perform(environment) protected
• - deep_copy
• - eq(other)
• - (List) initialize(value, separator) constructor Creates a new list.
• - inspect
• - to_s(opts = {})
• - to_sass(opts = {})

Methods inherited from Literal

#==, #assert_int!, #div, #minus, #neq, #null?, #options, #plus, #single_eq, #to_bool, #to_i, #unary_div, #unary_minus, #unary_not, #unary_plus

Methods inherited from Node

#dasherize, #opts, #perform

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# File '/var/www/sass-pages/.sass/lib/sass/script/list.rb', line 22

def initialize(value, separator)
  super(value)
  @separator = separator
end

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# File '/var/www/sass-pages/.sass/lib/sass/script/list.rb', line 16

def separator
  @separator
end

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# File '/var/www/sass-pages/.sass/lib/sass/script/list.rb', line 8

def value
  @value
end

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# File '/var/www/sass-pages/.sass/lib/sass/script/list.rb', line 68

def _perform(environment)
  list = Sass::Script::List.new(
    value.map {|e| e.perform(environment)},
    separator)
  list.options = self.options
  list
end

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# File '/var/www/sass-pages/.sass/lib/sass/script/list.rb', line 28

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

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# File '/var/www/sass-pages/.sass/lib/sass/script/list.rb', line 35

def eq(other)
  Sass::Script::Bool.new(
    other.is_a?(List) && self.value == other.value &&
    self.separator == other.separator)
end

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# File '/var/www/sass-pages/.sass/lib/sass/script/list.rb', line 61

def inspect
  "(#{to_sass})"
end

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# File '/var/www/sass-pages/.sass/lib/sass/script/list.rb', line 42

def to_s(opts = {})
  raise Sass::SyntaxError.new("() isn't a valid CSS value.") if value.empty?
  return value.reject {|e| e.is_a?(Null) || e.is_a?(List) && e.value.empty?}.map {|e| e.to_s(opts)}.join(sep_str)
end

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# File '/var/www/sass-pages/.sass/lib/sass/script/list.rb', line 48

def to_sass(opts = {})
  return "()" if value.empty?
  precedence = Sass::Script::Parser.precedence_of(separator)
  value.reject {|e| e.is_a?(Null)}.map do |v|
    if v.is_a?(List) && Sass::Script::Parser.precedence_of(v.separator) <= precedence
      "(#{v.to_sass(opts)})"
    else
      v.to_sass(opts)
    end
  end.join(sep_str(nil))
end