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Versions: 14
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Stored size: 1.96 KB
Contents
# A visitor for copying the full structure of a Sass tree.
class Sass::Tree::Visitors::DeepCopy < Sass::Tree::Visitors::Base
protected
def visit(node)
super(node.dup)
end
def visit_children(parent)
parent.children = parent.children.map {|c| visit(c)}
parent
end
def visit_debug(node)
node.expr = node.expr.deep_copy
yield
end
def visit_each(node)
node.list = node.list.deep_copy
yield
end
def visit_extend(node)
node.selector = node.selector.map {|c| c.is_a?(Sass::Script::Node) ? c.deep_copy : c}
yield
end
def visit_for(node)
node.from = node.from.deep_copy
node.to = node.to.deep_copy
yield
end
def visit_function(node)
node.args = node.args.map {|k, v| [k.deep_copy, v && v.deep_copy]}
yield
end
def visit_if(node)
node.expr = node.expr.deep_copy if node.expr
node.else = visit(node.else) if node.else
yield
end
def visit_mixindef(node)
node.args = node.args.map {|k, v| [k.deep_copy, v && v.deep_copy]}
yield
end
def visit_mixin(node)
node.args = node.args.map {|a| a.deep_copy}
node.keywords = Hash[node.keywords.map {|k, v| [k, v.deep_copy]}]
yield
end
def visit_prop(node)
node.name = node.name.map {|c| c.is_a?(Sass::Script::Node) ? c.deep_copy : c}
node.value = node.value.deep_copy
yield
end
def visit_return(node)
node.expr = node.expr.deep_copy
yield
end
def visit_rule(node)
node.rule = node.rule.map {|c| c.is_a?(Sass::Script::Node) ? c.deep_copy : c}
yield
end
def visit_variable(node)
node.expr = node.expr.deep_copy
yield
end
def visit_warn(node)
node.expr = node.expr.deep_copy
yield
end
def visit_while(node)
node.expr = node.expr.deep_copy
yield
end
def visit_directive(node)
node.value = node.value.map {|c| c.is_a?(Sass::Script::Node) ? c.deep_copy : c}
yield
end
def visit_media(node)
node.query = node.query.deep_copy
yield
end
end
Version data entries
14 entries across 14 versions & 1 rubygems