25: def to_s(tabs, super_rules = nil)
26: attributes = []
27: sub_rules = []
28:
29: rule_split = /\s*,\s*/
30: rule_separator = @style == :compressed ? ',' : ', '
31: line_separator = [:nested, :expanded].include?(@style) ? ",\n" : rule_separator
32: rule_indent = ' ' * (tabs - 1)
33: total_rule = if super_rules
34: super_rules.split(",\n").map do |super_line|
35: super_line.strip.split(rule_split).map do |super_rule|
36: self.rules.map do |line|
37: rule_indent + line.gsub(/,$/, '').split(rule_split).map do |rule|
38: if rule.include?(PARENT)
39: rule.gsub(PARENT, super_rule)
40: else
41: "#{super_rule} #{rule}"
42: end
43: end.join(rule_separator)
44: end.join(line_separator)
45: end.join(rule_separator)
46: end.join(line_separator)
47: elsif self.rules.any? { |r| r.include?(PARENT) }
48: raise Sass::SyntaxError.new("Base-level rules cannot contain the parent-selector-referencing character '#{PARENT}'.", line)
49: else
50: per_rule_indent, total_indent = [:nested, :expanded].include?(@style) ? [rule_indent, ''] : ['', rule_indent]
51: total_indent + self.rules.map do |r|
52: per_rule_indent + r.gsub(/,$/, '').gsub(rule_split, rule_separator).rstrip
53: end.join(line_separator)
54: end
55:
56: children.each do |child|
57: if child.is_a? RuleNode
58: sub_rules << child
59: else
60: attributes << child
61: end
62: end
63:
64: to_return = ''
65: if !attributes.empty?
66: old_spaces = ' ' * (tabs - 1)
67: spaces = ' ' * tabs
68: if @style == :compact
69: attributes = attributes.map { |a| a.to_s(1) }.join(' ')
70: to_return << "#{total_rule} { #{attributes} }\n"
71: elsif @style == :compressed
72: attributes = attributes.map { |a| a.to_s(1) }.join(';')
73: to_return << "#{total_rule}{#{attributes}}"
74: else
75: attributes = attributes.map { |a| a.to_s(tabs + 1) }.join("\n")
76: end_attrs = (@style == :expanded ? "\n" + old_spaces : ' ')
77: to_return << "#{total_rule} {\n#{attributes}#{end_attrs}}\n"
78: end
79: end
80:
81: tabs += 1 unless attributes.empty? || @style != :nested
82: sub_rules.each do |sub|
83: to_return << sub.to_s(tabs, total_rule)
84: end
85:
86: to_return
87: end