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Diffstat (limited to 'vendor/bandit/bandit/assertion_frameworks/snowhouse/snowhouse/fluent/operators/oroperator.h')
-rw-r--r-- | vendor/bandit/bandit/assertion_frameworks/snowhouse/snowhouse/fluent/operators/oroperator.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/vendor/bandit/bandit/assertion_frameworks/snowhouse/snowhouse/fluent/operators/oroperator.h b/vendor/bandit/bandit/assertion_frameworks/snowhouse/snowhouse/fluent/operators/oroperator.h new file mode 100644 index 00000000..5a307ff6 --- /dev/null +++ b/vendor/bandit/bandit/assertion_frameworks/snowhouse/snowhouse/fluent/operators/oroperator.h @@ -0,0 +1,55 @@ + +// Copyright Joakim Karlsson & Kim Gräsman 2010-2012. +// Distributed under the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) + +#ifndef IGLOO_OROPERATOR_H +#define IGLOO_OROPERATOR_H + +namespace snowhouse { + + struct OrOperator : public ConstraintOperator + { + template <typename ConstraintListType, typename ActualType> + void Evaluate(ConstraintListType& list, ResultStack& result, OperatorStack& operators, const ActualType& actual) + { + EvaluateOperatorsWithLessOrEqualPrecedence(*this, operators, result); + + operators.push(this); + + EvaluateConstraintList(list.m_tail, result, operators, actual); + } + + void PerformOperation(ResultStack& result) + { + if(result.size() < 2) + { + throw InvalidExpressionException("The expression contains an or operator with too few operands"); + } + + bool right = result.top(); + result.pop(); + bool left = result.top(); + result.pop(); + + result.push(left || right); + } + + int Precedence() const + { + return 4; + } + }; + + template<> + struct Stringizer<OrOperator> + { + static std::string ToString(const OrOperator&) + { + return "or"; + } + }; +} + +#endif |