module Mongoid::Matcher::Expression
@api private
Public Instance Methods
matches?(document, expr)
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# File lib/mongoid/matcher/expression.rb, line 6 def matches?(document, expr) if expr.nil? raise Errors::InvalidQuery, "Nil condition in expression context" end unless Hash === expr raise Errors::InvalidQuery, "MQL query must be provided as a Hash" end expr.all? do |k, expr_v| k = k.to_s if k.start_with?('$') ExpressionOperator.get(k).matches?(document, expr_v) else exists, value, expanded = Matcher.extract_attribute(document, k) # The value may have been expanded into an array, but then # array may have been shrunk back to a scalar (or hash) when # path contained a numeric position. # Do not treat a hash as an array here (both are iterable). if expanded && Array === value if value == [] # Empty array is technically equivalent to exists: false. FieldExpression.matches?(false, nil, expr_v) else value.any? do |v| FieldExpression.matches?(true, v, expr_v) end end else FieldExpression.matches?(exists, value, expr_v) end end end end