Class: Sass::Tree::Node

Inherits:

Object

• Object
• Sass::Tree::Node

show all

Includes:

Enumerable

Defined in:

/var/www/sass-pages/.sass/lib/sass/tree/node.rb

Overview

Instance Attribute Summary

• - (Array<Tree::Node>) children The child nodes of this node.
• - (String) filename The name of the document on which this node appeared.
• - (Boolean) has_children Whether or not this node has child nodes.
• - (Fixnum) line The line of the document on which this node appeared.
• - ({Symbol => Object}) options The options hash for the node.

Instance Method Summary

• - <<(child) Appends a child to the node.
• - (Boolean) =(other) Compares this node and another object (only other Tree::Nodes will be equal).
• - balance(*args) protected
• - (Node) deep_copy Return a deep clone of this node.
• - (Tree::Node) do_extend(extends) Converts a static CSS tree (e.g. the output of Tree::Visitors::Cssize) into another static CSS tree, with the given extensions applied to all relevant RuleNodes.
• - each(&block) {|node| ... } Iterates through each node in the tree rooted at this node in a pre-order walk.
• - (Node) initialize constructor A new instance of Node.
• - (Boolean) invisible? True if #to_s will return nil; that is, if the node shouldn’t be rendered.
• - (Symbol) style The output style.
• - (String^?) to_s Computes the CSS corresponding to this static CSS tree.
• - (String) to_sass(options = {}) Converts a node to Sass code that will generate it.
• - (String) to_scss(options = {}) Converts a node to SCSS code that will generate it.

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# File '/var/www/sass-pages/.sass/lib/sass/tree/node.rb', line 59

def initialize
  @children = []
end

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# File '/var/www/sass-pages/.sass/lib/sass/tree/node.rb', line 34

def children
  @children
end

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# File '/var/www/sass-pages/.sass/lib/sass/tree/node.rb', line 80

def filename
  @filename || (@options && @options[:filename])
end

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# File '/var/www/sass-pages/.sass/lib/sass/tree/node.rb', line 41

def has_children
  @has_children
end

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# File '/var/www/sass-pages/.sass/lib/sass/tree/node.rb', line 46

def line
  @line
end

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# File '/var/www/sass-pages/.sass/lib/sass/tree/node.rb', line 57

def options
  @options
end

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# File '/var/www/sass-pages/.sass/lib/sass/tree/node.rb', line 88

def <<(child)
  return if child.nil?
  if child.is_a?(Array)
    child.each {|c| self << c}
  else
    self.has_children = true
    @children << child
  end
end

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# File '/var/www/sass-pages/.sass/lib/sass/tree/node.rb', line 109

def ==(other)
  self.class == other.class && other.children == children
end

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# File '/var/www/sass-pages/.sass/lib/sass/tree/node.rb', line 194

def balance(*args)
  res = Sass::Shared.balance(*args)
  return res if res
  raise Sass::SyntaxError.new("Unbalanced brackets.", :line => line)
end

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# File '/var/www/sass-pages/.sass/lib/sass/tree/node.rb', line 186

def deep_copy
  Sass::Tree::Visitors::DeepCopy.visit(self)
end

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# File '/var/www/sass-pages/.sass/lib/sass/tree/node.rb', line 147

def do_extend(extends)
  node = dup
  node.children = children.map {|c| c.do_extend(extends)}
  node
rescue Sass::SyntaxError => e
  e.modify_backtrace(:filename => filename, :line => line)
  raise e
end

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# File '/var/www/sass-pages/.sass/lib/sass/tree/node.rb', line 161

def each(&block)
  yield self
  children.each {|c| c.each(&block)}
end

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# File '/var/www/sass-pages/.sass/lib/sass/tree/node.rb', line 118

def invisible?; false end

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# File '/var/www/sass-pages/.sass/lib/sass/tree/node.rb', line 123

def style
  @options[:style]
end

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# File '/var/www/sass-pages/.sass/lib/sass/tree/node.rb', line 131

def to_s
  Sass::Tree::Visitors::ToCss.visit(self)
end

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# File '/var/www/sass-pages/.sass/lib/sass/tree/node.rb', line 170

def to_sass(options = {})
  Sass::Tree::Visitors::Convert.visit(self, options, :sass)
end

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# File '/var/www/sass-pages/.sass/lib/sass/tree/node.rb', line 178

def to_scss(options = {})
  Sass::Tree::Visitors::Convert.visit(self, options, :scss)
end