38 lines
831 B
Ruby
38 lines
831 B
Ruby
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module Liquid
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class RangeLookup
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def self.parse(start_markup, end_markup)
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start_obj = Expression.parse(start_markup)
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end_obj = Expression.parse(end_markup)
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if start_obj.respond_to?(:evaluate) || end_obj.respond_to?(:evaluate)
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new(start_obj, end_obj)
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else
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start_obj.to_i..end_obj.to_i
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end
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end
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def initialize(start_obj, end_obj)
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@start_obj = start_obj
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@end_obj = end_obj
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end
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def evaluate(context)
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start_int = to_integer(context.evaluate(@start_obj))
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end_int = to_integer(context.evaluate(@end_obj))
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start_int..end_int
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end
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private
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def to_integer(input)
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case input
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when Integer
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input
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when NilClass, String
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input.to_i
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else
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Utils.to_integer(input)
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end
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end
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end
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end
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