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Less::Node::Expression

Constants

LESS_TO_SASS_OPERATORS

Public Instance Methods

to_sass_tree() click to toggle source
     # File lib/sass/less.rb, line 233
233:       def to_sass_tree
234:         if first.is_a?(Array)
235:           val = map {|e| _to_sass_tree(e)}.inject(nil) do |e, i|
236:             next i unless e
237:             Sass::Script::Operation.new(e, i, :comma)
238:           end
239:         else
240:           val = _to_sass_tree(self)
241:         end
242:         val.options = {}
243:         val
244:       end

Private Instance Methods

_sass_split(arr) click to toggle source
     # File lib/sass/less.rb, line 269
269:       def _sass_split(arr)
270:         return arr[0].to_sass_tree, arr[1..1] unless arr[0] == "("
271:         parens = 1
272:         i = arr[1..1].each_with_index do |e, i|
273:           parens += 1 if e == "("
274:           parens -= 1 if e == ")"
275:           break i if parens == 0
276:         end
277: 
278:         return _to_sass_tree(arr[1...i+1]), arr[i+2..1]
279:       end
_to_sass_tree(arr) click to toggle source
     # File lib/sass/less.rb, line 249
249:       def _to_sass_tree(arr)
250:         return Sass::Script::UnaryOperation.new(_to_sass_tree(arr[1..1]), :minus) if arr[0] == "-"
251:         _to_sass_tree2(*_sass_split(arr))
252:       end
_to_sass_tree2(first, rest) click to toggle source
     # File lib/sass/less.rb, line 254
254:       def _to_sass_tree2(first, rest)
255:         return first if rest.empty?
256:         if rest[0].is_a?(Operator)
257:           op = LESS_TO_SASS_OPERATORS[rest[0]]
258:           if op == :times || op == :div
259:             second, rest = _sass_split(rest[1..1])
260:             return _to_sass_tree2(Sass::Script::Operation.new(first, second, op), rest)
261:           else
262:             return Sass::Script::Operation.new(first, _to_sass_tree(rest[1..1]), op)
263:           end
264:         end
265: 
266:         Sass::Script::Operation.new(first, _to_sass_tree(rest), :concat)
267:       end

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