/* * Copyright (c) 2013-2020, Roland Bock, MacDue * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, this * list of conditions and the following disclaimer in the documentation and/or * other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef SQLPP11_PARAMETERIZED_VERBATIM_COUNT_H #define SQLPP11_PARAMETERIZED_VERBATIM_COUNT_H #include #include #include #include namespace sqlpp { template struct parameterized_verbatim_t : public expression_operators, ValueType>, public alias_operators> { using _traits = make_traits; using _nodes = detail::type_vector; using _can_be_null = std::true_type; // since we do not know what's going on inside the verbatim, we assume it can be null parameterized_verbatim_t( const Expr expr, std::string verbatim_lhs, std::string verbatim_rhs) : _expr(expr), _verbatim_lhs(std::move(verbatim_lhs)), _verbatim_rhs(std::move(verbatim_rhs)) { } parameterized_verbatim_t(const parameterized_verbatim_t&) = default; parameterized_verbatim_t(parameterized_verbatim_t&&) = default; parameterized_verbatim_t& operator=(const parameterized_verbatim_t&) = default; parameterized_verbatim_t& operator=(parameterized_verbatim_t&&) = default; ~parameterized_verbatim_t() = default; Expr _expr; std::string _verbatim_lhs, _verbatim_rhs; }; template struct serializer_t> { using _serialize_check = consistent_t; using T = parameterized_verbatim_t; static Context& _(const T& t, Context& context) { context << t._verbatim_lhs; serialize(t._expr, context); context << t._verbatim_rhs; return context; } }; template auto parameterized_verbatim(std::string lhs, Expr expr, std::string rhs) -> parameterized_verbatim_t> { static_assert(is_expression_t>::value, "parameterized_verbatim() requires an expression as argument"); return {expr, lhs, rhs}; } } // namespace sqlpp #endif