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Versions: 62
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Contents
require 'sass/tree/node'
module Sass::Tree
# A static node reprenting an `@extend` directive.
#
# @see Sass::Tree
class ExtendNode < Node
# @param selector [Array<String, Sass::Script::Node>]
# The CSS selector to extend,
# interspersed with {Sass::Script::Node}s
# representing `#{}`-interpolation.
def initialize(selector)
@selector = selector
super()
end
# Registers this extension in the `extends` subset map.
#
# @param extends [Sass::Util::SubsetMap{Selector::Simple => Selector::Sequence}]
# The extensions defined for this tree
# @param parent [RuleNode] The parent node of this node
# @see Node#cssize
def cssize(extends, parent)
@resolved_selector.members.each do |seq|
if seq.members.size > 1
raise Sass::SyntaxError.new("Can't extend #{seq.to_a.join}: can't extend nested selectors")
end
sseq = seq.members.first
if !sseq.is_a?(Sass::Selector::SimpleSequence)
raise Sass::SyntaxError.new("Can't extend #{seq.to_a.join}: invalid selector")
end
sel = sseq.members
parent.resolved_rules.members.each do |seq|
if !seq.members.last.is_a?(Sass::Selector::SimpleSequence)
raise Sass::SyntaxError.new("#{seq} can't extend: invalid selector")
end
extends[sel] = seq
end
end
[]
end
protected
# @see Node#to_src
def to_src(tabs, opts, fmt)
"#{' ' * tabs}@extend #{selector_to_src(@selector, tabs, opts, fmt).lstrip}#{semi fmt}\n"
end
# Runs SassScript interpolation in the selector,
# and then parses the result into a {Sass::Selector::CommaSequence}.
#
# @param environment [Sass::Environment] The lexical environment containing
# variable and mixin values
def perform!(environment)
@resolved_selector = Sass::SCSS::CssParser.new(run_interp(@selector, environment), self.line).
parse_selector(self.filename)
super
end
end
end
Version data entries
62 entries across 62 versions & 2 rubygems