111 lines
2.7 KiB
Ruby
111 lines
2.7 KiB
Ruby
require 'sass'
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module Sass
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module Tree
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class Node
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private
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def tab(s, indent_level = 1)
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s.split("\n").join("\n" + " " * indent_level)
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end
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def children_to_sass
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clean_children = children.inject([[],true]) do |m,c|
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if c.respond_to?(:doc) && !c.doc.nil?
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[m.first, c.doc]
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else
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if m.last
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[m.first + [c], true]
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else
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m
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end
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end
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end
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raise clean_children.first.inspect if clean_children.first.detect{|c| TrueClass === c}
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tab(clean_children.first.
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map{|c| c.to_sass}.join("\n"))
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end
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end
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class VariableNode < Node
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attr_accessor :name unless method_defined? :name
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end
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class IfNode < Node
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def to_sass
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sass_str = %Q{@if #{@expr.inspect unless @expr.nil?}
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- #{tab children_to_sass}
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-}.gsub(/^\s+-/,'')
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if @else
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sass_str << %Q{@else
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- #{tab @else.to_sass}
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-}.gsub(/^\s+-/,'')
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end
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sass_str
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end
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end
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class DebugNode < Node
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def to_sass
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""
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end
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end
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class MixinNode < Node
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attr_accessor :name unless method_defined? :name
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attr_accessor :args unless method_defined? :args
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def to_sass
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sass_str = "+#{name}"
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if args.any?
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sass_str << "(#{args.map{|a| a.inspect}.join(", ")})"
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end
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sass_str
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end
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end
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class MixinDefNode < Node
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attr_accessor :name unless method_defined? :name
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attr_accessor :args unless method_defined? :args
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attr_accessor :comment unless method_defined? :comment
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def to_sass
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"#{sass_signature}\n #{children_to_sass}\n"
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end
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def sass_signature(mode = :definition)
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prefix = case mode
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when :definition
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"="
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when :include
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"+"
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end
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"#{prefix}#{name}#{arglist_to_sass}"
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end
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private
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def arglist_to_sass
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if args.any?
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"(#{args.map{|a| arg_to_sass(a)}.join(", ")})"
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else
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""
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end
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end
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def arg_to_sass(arg)
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name, default_value = arg
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sass_str = "#{name.inspect}"
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if default_value
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sass_str << " = "
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sass_str << default_value.inspect
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end
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sass_str
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end
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end
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class ImportNode < RootNode
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attr_accessor :imported_filename unless method_defined? :imported_filename
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end
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class CommentNode < Node
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def docstring
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([value] + lines).join("\n")
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end
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def doc
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if value == "@doc off"
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false
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elsif value == "@doc on"
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true
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end
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end
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end
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end
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end |