haml--haml/lib/sass/tree/rule_node.rb

101 lines
3.1 KiB
Ruby

require 'sass/tree/node'
require 'sass/tree/attr_node'
module Sass::Tree
class RuleNode < ValueNode
# The character used to include the parent selector
PARENT = '&'
alias_method :rule, :value
alias_method :rule=, :value=
def rules
Array(rule)
end
def add_rules(node)
self.rule = rules
self.rule += node.rules
end
def continued?
rule[-1] == ?,
end
def to_s(tabs, super_rules = nil)
attributes = []
sub_rules = []
rule_split = /\s*,\s*/
rule_separator = @style == :compressed ? ',' : ', '
line_separator = [:nested, :expanded].include?(@style) ? ",\n" : rule_separator
rule_indent = ' ' * (tabs - 1)
total_rule = if super_rules
super_rules.split(",\n").map do |super_line|
super_line.strip.split(rule_split).map do |super_rule|
self.rules.map do |line|
rule_indent + line.gsub(/,$/, '').split(rule_split).map do |rule|
if rule.include?(PARENT)
rule.gsub(PARENT, super_rule)
else
"#{super_rule} #{rule}"
end
end.join(rule_separator)
end.join(line_separator)
end.join(rule_separator)
end.join(line_separator)
elsif self.rules.any? { |r| r.include?(PARENT) }
raise Sass::SyntaxError.new("Base-level rules cannot contain the parent-selector-referencing character '#{PARENT}'.", line)
else
per_rule_indent, total_indent = [:nested, :expanded].include?(@style) ? [rule_indent, ''] : ['', rule_indent]
total_indent + self.rules.map do |r|
per_rule_indent + r.gsub(/,$/, '').gsub(rule_split, rule_separator).rstrip
end.join(line_separator)
end
children.each do |child|
if child.is_a? RuleNode
sub_rules << child
else
attributes << child
end
end
to_return = ''
if !attributes.empty?
old_spaces = ' ' * (tabs - 1)
spaces = ' ' * tabs
if @options[:line_comments] && @style != :compressed
to_return << "#{old_spaces}/* line #{line}"
if filename && @options[:css_filename]
relative_filename = Pathname.new(filename).relative_path_from(Pathname.new(File.dirname(@options[:css_filename]))).to_s
to_return << ", #{relative_filename}"
end
to_return << " */\n"
end
if @style == :compact
attributes = attributes.map { |a| a.to_s(1) }.join(' ')
to_return << "#{total_rule} { #{attributes} }\n"
elsif @style == :compressed
attributes = attributes.map { |a| a.to_s(1) }.join(';')
to_return << "#{total_rule}{#{attributes}}"
else
attributes = attributes.map { |a| a.to_s(tabs + 1) }.join("\n")
end_attrs = (@style == :expanded ? "\n" + old_spaces : ' ')
to_return << "#{total_rule} {\n#{attributes}#{end_attrs}}\n"
end
end
tabs += 1 unless attributes.empty? || @style != :nested
sub_rules.each do |sub|
to_return << sub.to_s(tabs, total_rule)
end
to_return
end
end
end