Added serializable_list (which is a noop for non-dynamic cases)

include/sqlpp11/detail/serializable_list.h

@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2013, Roland Bock
+ * 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 SQLPP_SERIALIZABLE_LIST_H
+#define SQLPP_SERIALIZABLE_LIST_H
+
+#include <vector>
+#include <sqlpp11/detail/serializable.h>
+
+namespace sqlpp
+{
+	namespace detail
+	{
+		template<typename Db>
+			struct serializable_list
+			{
+				std::vector<detail::serializable_t<Db>> _serializables;
+
+				std::size_t size() const
+				{
+					return _serializables.size();
+				}
+
+				bool empty() const
+				{
+					return _serializables.empty();
+				}
+
+				template<typename Expr>
+				void emplace_back(Expr&& expr)
+				{
+					_serializables.emplace_back(std::forward<Expr>(expr));
+				}
+
+				void serialize(std::ostream& os, Db& db, bool first) const
+				{
+					for (const auto entry : _serializables)
+					{
+						if (not first)
+							os << ',';
+						entry.serialize(os, db);
+						first = false;
+					}
+				}
+
+				void serialize(std::ostream& os, Db& db, const std::string& separator, bool first) const
+				{
+					for (const auto entry : _serializables)
+					{
+						if (not first)
+							os << separator;
+						entry.serialize(os, db);
+						first = false;
+					}
+				}
+
+			};
+
+		template<>
+			struct serializable_list<void>
+			{
+				template<typename T>
+					void emplace_back(const T&) {}
+
+				constexpr std::size_t size() const
+				{
+					return 0;
+				}
+
+				constexpr bool empty() const
+				{
+					return true;
+				}
+
+				template<typename Db>
+					void serialize(std::ostream&, Db&, bool) const
+					{
+					}
+
+			};
+
+	}
+}
+
+#endif