Class: Less::Node::Expression
- Defined in:
- lib/less/engine/nodes/property.rb
Instance Method Summary collapse
- #entities ⇒ Object
-
#evaluate ⇒ Object
Evaluates the expression and instantiates a new Literal with the result ex: [#111, +, #111] will evaluate to a Color node, with value #222.
- #inspect ⇒ Object
- #literals ⇒ Object
- #operators ⇒ Object
- #to_css ⇒ Object
Methods inherited from Array
Instance Method Details
#entities ⇒ Object
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# File 'lib/less/engine/nodes/property.rb', line 64 def entities; select {|i| i.kind_of? Entity } end |
#evaluate ⇒ Object
Evaluates the expression and instantiates a new Literal with the result ex: [#111, +, #111] will evaluate to a Color node, with value #222
TODO: refactor the conditionals
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# File 'lib/less/engine/nodes/property.rb', line 80 def evaluate if size > 2 && (entities.size == operators.size + 1) # Create a sub-expression with all the variables/properties evaluated evaluated = Expression.new map {|e| e.respond_to?(:evaluate) ? e.evaluate : e } unit = evaluated.literals.map do |node| node.unit end.compact.uniq.tap do |ary| raise MixedUnitsError, self * ' ' if ary.size > 1 end.join entity = evaluated.literals.find {|e| e.unit == unit } || evaluated.first ruby = map {|e| e.to_ruby if e.respond_to? :to_ruby } unless ruby.include? nil if entity result = eval(ruby.join) if result.is_a? Entity result else entity.class.new(*result, *(unit if entity.class == Node::Number)) end else first end else self end elsif size == 1 first else self end end |
#inspect ⇒ Object
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# File 'lib/less/engine/nodes/property.rb', line 67 def inspect '[' + map {|i| i.inspect }.join(', ') + ']' end |
#literals ⇒ Object
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# File 'lib/less/engine/nodes/property.rb', line 65 def literals; select {|i| i.kind_of? Literal } end |
#operators ⇒ Object
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# File 'lib/less/engine/nodes/property.rb', line 63 def operators; select {|i| i.is_a? Operator } end |
#to_css ⇒ Object
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# File 'lib/less/engine/nodes/property.rb', line 71 def to_css map {|i| i.to_css } * ' ' end |