Class: JsonExpr

Inherits:
Object
  • Object
show all
Defined in:
lib/json_expr/json_expr.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ JsonExpr

Returns a new instance of JsonExpr.



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# File 'lib/json_expr/json_expr.rb', line 25

def initialize
  @operators = {
    "and": AndCombinator.new,
    "or": OrCombinator.new,
    "value": ValueOperator.new,
    "var": VarOperator.new,
    "null": NilOperator.new,
    "not": NotOperator.new,
    "in": InOperator.new,
    "match": MatchOperator.new,
    "eq": EqualsOperator.new,
    "gt": GreaterThanOperator.new,
    "gte": GreaterThanOrEqualOperator.new,
    "lt": LessThanOperator.new,
    "lte": LessThanOrEqualOperator.new
  }
end

Instance Attribute Details

#operators ⇒ Object

Returns the value of attribute operators.



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# File 'lib/json_expr/json_expr.rb', line 22

def operators
  @operators
end

#vars ⇒ Object

Returns the value of attribute vars.



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# File 'lib/json_expr/json_expr.rb', line 23

def vars
  @vars
end

Instance Method Details

#evaluate_boolean_expr(expr, vars) ⇒ Object 



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# File 'lib/json_expr/json_expr.rb', line 43

def evaluate_boolean_expr(expr, vars)
  evaluator = ExprEvaluator.new(operators, vars)
  evaluator.boolean_convert(evaluator.evaluate(expr))
end

#evaluate_expr(expr, vars) ⇒ Object 



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# File 'lib/json_expr/json_expr.rb', line 48

def evaluate_expr(expr, vars)
  evaluator = ExprEvaluator.new(operators, vars)
  evaluator.evaluate(expr)
end